/*LiveServer: <rde-dm:attribute mode="write" attribute="request:rdeResponseMimetype" op="set" value="text/javascript"/>*/

/*
* File: jquery.dataTables.js
* Version: 1.6.2
* CVS: $Id$
* Description: Paginate, search and sort HTML tables
* Author: Allan Jardine (www.sprymedia.co.uk)
* Created: 28/3/2008
* Modified: $Date$ by $Author$
* Language: Javascript
* License: GPL v2 or BSD 3 point style
* Project: Mtaala
* Contact: allan.jardine@sprymedia.co.uk
* 
* Copyright 2008-2010 Allan Jardine, all rights reserved.
*
* This source file is free software, under either the GPL v2 license or a
* BSD style license, as supplied with this software.
* 
* This source file is distributed in the hope that it will be useful, but 
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
* or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
* 
* For details pleease refer to: http://www.datatables.net
*/
/*
* When considering jsLint, we need to allow eval() as it it is used for reading cookies and 
* building the dynamic multi-column sort functions.
*/
/*jslint evil: true, undef: true, browser: true */
/*globals $, jQuery,_fnReadCookie,_fnProcessingDisplay,_fnDraw,_fnSort,_fnReDraw,_fnDetectType,_fnSortingClasses,_fnSettingsFromNode,_fnBuildSearchArray,_fnCalculateEnd,_fnFeatureHtmlProcessing,_fnFeatureHtmlPaginate,_fnFeatureHtmlInfo,_fnUpdateInfo,_fnFeatureHtmlFilter,_fnFilter,_fnSaveState,_fnFilterColumn,_fnEscapeRegex,_fnFilterComplete,_fnFeatureHtmlLength,_fnGetDataMaster,_fnVisibleToColumnIndex,_fnDrawHead,_fnAddData,_fnGetTrNodes,_fnGetTdNodes,_fnColumnIndexToVisible,_fnCreateCookie,_fnAddOptionsHtml,_fnMap,_fnClearTable,_fnDataToSearch,_fnReOrderIndex,_fnFilterCustom,_fnNodeToDataIndex,_fnVisbleColumns,_fnAjaxUpdate,_fnAjaxUpdateDraw,_fnColumnOrdering,fnGetMaxLenString,_fnSortAttachListener,_fnPageChange*/
(function($) {
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - DataTables variables
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Variable: dataTableSettings
* Purpose: Store the settings for each dataTables instance
* Scope: jQuery.fn
*/
$.fn.dataTableSettings = [];
var _aoSettings = $.fn.dataTableSettings; /* Short reference for fast internal lookup */
/*
* Variable: dataTableExt
* Purpose: Container for customisable parts of DataTables
* Scope: jQuery.fn
*/
$.fn.dataTableExt = {};
var _oExt = $.fn.dataTableExt;

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - DataTables extensible objects
* 
* The _oExt object is used to provide an area where user dfined plugins can be 
* added to DataTables. The following properties of the object are used:
* oApi - Plug-in API functions
* aTypes - Auto-detection of types
* oSort - Sorting functions used by DataTables (based on the type)
* oPagination - Pagination functions for different input styles
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Variable: sVersion
* Purpose: Version string for plug-ins to check compatibility
* Scope: jQuery.fn.dataTableExt
* Notes: Allowed format is a.b.c.d.e where:
* a:int, b:int, c:int, d:string(dev|beta), e:int. d and e are optional
*/
_oExt.sVersion = "1.6.2";
/*
* Variable: iApiIndex
* Purpose: Index for what 'this' index API functions should use
* Scope: jQuery.fn.dataTableExt
*/
_oExt.iApiIndex = 0;
/*
* Variable: oApi
* Purpose: Container for plugin API functions
* Scope: jQuery.fn.dataTableExt
*/
_oExt.oApi = { };
/*
* Variable: aFiltering
* Purpose: Container for plugin filtering functions
* Scope: jQuery.fn.dataTableExt
*/
_oExt.afnFiltering = [ ];
/*
* Variable: aoFeatures
* Purpose: Container for plugin function functions
* Scope: jQuery.fn.dataTableExt
* Notes: Array of objects with the following parameters:
* fnInit: Function for initialisation of Feature. Takes oSettings and returns node
* cFeature: Character that will be matched in sDom - case sensitive
* sFeature: Feature name - just for completeness :-)
*/
_oExt.aoFeatures = [ ];
/*
* Variable: ofnSearch
* Purpose: Container for custom filtering functions
* Scope: jQuery.fn.dataTableExt
* Notes: This is an object (the name should match the type) for custom filtering function,
* which can be used for live DOM checking or formatted text filtering
*/
_oExt.ofnSearch = { };
/*
* Variable: afnSortData
* Purpose: Container for custom sorting data source functions
* Scope: jQuery.fn.dataTableExt
* Notes: Array (associative) of functions which is run prior to a column of this 
* 'SortDataType' being sorted upon.
* Function input parameters:
* object:oSettings- DataTables settings object
* int:iColumn - Target column number
* Return value: Array of data which exactly matched the full data set size for the column to
* be sorted upon
*/
_oExt.afnSortData = [ ];
/*
* Variable: oStdClasses
* Purpose: Storage for the various classes that DataTables uses
* Scope: jQuery.fn.dataTableExt
*/
_oExt.oStdClasses = {
/* Two buttons buttons */
"sPagePrevEnabled": "paginate_enabled_previous",
"sPagePrevDisabled": "paginate_disabled_previous",
"sPageNextEnabled": "paginate_enabled_next",
"sPageNextDisabled": "paginate_disabled_next",
"sPageJUINext": "",
"sPageJUIPrev": "",
/* Full numbers paging buttons */
"sPageButton": "paginate_button",
"sPageButtonActive": "paginate_active",
"sPageButtonStaticDisabled": "paginate_button",
"sPageFirst": "first",
"sPagePrevious": "previous",
"sPageNext": "next",
"sPageLast": "last",
/* Stripping classes */
"sStripOdd": "odd",
"sStripEven": "even",
/* Empty row */
"sRowEmpty": "dataTables_empty",
/* Features */
"sWrapper": "dataTables_wrapper",
"sFilter": "dataTables_filter",
"sInfo": "dataTables_info",
"sPaging": "dataTables_paginate paging_", /* Note that the type is postfixed */
"sLength": "dataTables_length",
"sProcessing": "dataTables_processing",
/* Sorting */
"sSortAsc": "sorting_asc",
"sSortDesc": "sorting_desc",
"sSortable": "sorting", /* Sortable in both directions */
"sSortableAsc": "sorting_asc_disabled",
"sSortableDesc": "sorting_desc_disabled",
"sSortableNone": "sorting_disabled",
"sSortColumn": "sorting_", /* Note that an int is postfixed for the sorting order */
"sSortJUIAsc": "",
"sSortJUIDesc": "",
"sSortJUI": "",
"sSortJUIAscAllowed": "",
"sSortJUIDescAllowed": ""
};
/*
* Variable: oJUIClasses
* Purpose: Storage for the various classes that DataTables uses - jQuery UI suitable
* Scope: jQuery.fn.dataTableExt
*/
_oExt.oJUIClasses = {
/* Two buttons buttons */
"sPagePrevEnabled": "fg-button ui-state-default ui-corner-left",
"sPagePrevDisabled": "fg-button ui-state-default ui-corner-left ui-state-disabled",
"sPageNextEnabled": "fg-button ui-state-default ui-corner-right",
"sPageNextDisabled": "fg-button ui-state-default ui-corner-right ui-state-disabled",
"sPageJUINext": "ui-icon ui-icon-circle-arrow-e",
"sPageJUIPrev": "ui-icon ui-icon-circle-arrow-w",
/* Full numbers paging buttons */
"sPageButton": "fg-button ui-state-default",
"sPageButtonActive": "fg-button ui-state-default ui-state-disabled",
"sPageButtonStaticDisabled": "fg-button ui-state-default ui-state-disabled",
"sPageFirst": "first ui-corner-tl ui-corner-bl",
"sPagePrevious": "previous",
"sPageNext": "next",
"sPageLast": "last ui-corner-tr ui-corner-br",
/* Stripping classes */
"sStripOdd": "odd",
"sStripEven": "even",
/* Empty row */
"sRowEmpty": "dataTables_empty",
/* Features */
"sWrapper": "dataTables_wrapper",
"sFilter": "dataTables_filter",
"sInfo": "dataTables_info",
"sPaging": "dataTables_paginate fg-buttonset fg-buttonset-multi paging_", /* Note that the type is postfixed */
"sLength": "dataTables_length",
"sProcessing": "dataTables_processing",
/* Sorting */
"sSortAsc": "ui-state-default",
"sSortDesc": "ui-state-default",
"sSortable": "ui-state-default",
"sSortableAsc": "ui-state-default",
"sSortableDesc": "ui-state-default",
"sSortableNone": "ui-state-default",
"sSortColumn": "sorting_", /* Note that an int is postfixed for the sorting order */
"sSortJUIAsc": "css_right ui-icon ui-icon-triangle-1-n",
"sSortJUIDesc": "css_right ui-icon ui-icon-triangle-1-s",
"sSortJUI": "css_right ui-icon ui-icon-carat-2-n-s",
"sSortJUIAscAllowed": "css_right ui-icon ui-icon-carat-1-n",
"sSortJUIDescAllowed": "css_right ui-icon ui-icon-carat-1-s"
};
/*
* Variable: oPagination
* Purpose: Container for the various type of pagination that dataTables supports
* Scope: jQuery.fn.dataTableExt
*/
_oExt.oPagination = {
/*
* Variable: two_button
* Purpose: Standard two button (forward/back) pagination
* Scope: jQuery.fn.dataTableExt.oPagination
*/
"two_button": {
/*
* Function: oPagination.two_button.fnInit
* Purpose: Initalise dom elements required for pagination with forward/back buttons only
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* node:nPaging - the DIV which contains this pagination control
* function:fnCallbackDraw - draw function which must be called on update
*/
"fnInit": function ( oSettings, nPaging, fnCallbackDraw )
{
var nPrevious, nNext, nPreviousInner, nNextInner;
/* Store the next and previous elements in the oSettings object as they can be very
* usful for automation - particularly testing
*/
if ( !oSettings.bJUI )
{
nPrevious = document.createElement( 'div' );
nNext = document.createElement( 'div' );
}
else
{
nPrevious = document.createElement( 'a' );
nNext = document.createElement( 'a' );
nNextInner = document.createElement('span');
nNextInner.className = oSettings.oClasses.sPageJUINext;
nNext.appendChild( nNextInner );
nPreviousInner = document.createElement('span');
nPreviousInner.className = oSettings.oClasses.sPageJUIPrev;
nPrevious.appendChild( nPreviousInner );
}
nPrevious.className = oSettings.oClasses.sPagePrevDisabled;
nNext.className = oSettings.oClasses.sPageNextDisabled;
nPrevious.title = oSettings.oLanguage.oPaginate.sPrevious;
nNext.title = oSettings.oLanguage.oPaginate.sNext;
nPaging.appendChild( nPrevious );
nPaging.appendChild( nNext );
$(nPrevious).click( function() {
if ( oSettings.oApi._fnPageChange( oSettings, "previous" ) )
{
/* Only draw when the page has actually changed */
fnCallbackDraw( oSettings );
}
} );
$(nNext).click( function() {
if ( oSettings.oApi._fnPageChange( oSettings, "next" ) )
{
fnCallbackDraw( oSettings );
}
} );
/* Take the brutal approach to cancelling text selection */
$(nPrevious).bind( 'selectstart', function () { return false; } );
$(nNext).bind( 'selectstart', function () { return false; } );
/* ID the first elements only */
if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.p == "undefined" )
{
nPaging.setAttribute( 'id', oSettings.sTableId+'_paginate' );
nPrevious.setAttribute( 'id', oSettings.sTableId+'_previous' );
nNext.setAttribute( 'id', oSettings.sTableId+'_next' );
}
},
/*
* Function: oPagination.two_button.fnUpdate
* Purpose: Update the two button pagination at the end of the draw
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* function:fnCallbackDraw - draw function to call on page change
*/
"fnUpdate": function ( oSettings, fnCallbackDraw )
{
if ( !oSettings.aanFeatures.p )
{
return;
}
/* Loop over each instance of the pager */
var an = oSettings.aanFeatures.p;
for ( var i=0, iLen=an.length ; i<iLen ; i++ )
{
if ( an[i].childNodes.length !== 0 )
{
an[i].childNodes[0].className = 
( oSettings._iDisplayStart === 0 ) ? 
oSettings.oClasses.sPagePrevDisabled : oSettings.oClasses.sPagePrevEnabled;
an[i].childNodes[1].className = 
( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) ? 
oSettings.oClasses.sPageNextDisabled : oSettings.oClasses.sPageNextEnabled;
}
}
}
},

/*
* Variable: iFullNumbersShowPages
* Purpose: Change the number of pages which can be seen
* Scope: jQuery.fn.dataTableExt.oPagination
*/
"iFullNumbersShowPages": 5,
/*
* Variable: full_numbers
* Purpose: Full numbers pagination
* Scope: jQuery.fn.dataTableExt.oPagination
*/
"full_numbers": {
/*
* Function: oPagination.full_numbers.fnInit
* Purpose: Initalise dom elements required for pagination with a list of the pages
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* node:nPaging - the DIV which contains this pagination control
* function:fnCallbackDraw - draw function which must be called on update
*/
"fnInit": function ( oSettings, nPaging, fnCallbackDraw )
{
var nFirst = document.createElement( 'span' );
var nPrevious = document.createElement( 'span' );
var nList = document.createElement( 'span' );
var nNext = document.createElement( 'span' );
var nLast = document.createElement( 'span' );
nFirst.innerHTML = oSettings.oLanguage.oPaginate.sFirst;
nPrevious.innerHTML = oSettings.oLanguage.oPaginate.sPrevious;
nNext.innerHTML = oSettings.oLanguage.oPaginate.sNext;
nLast.innerHTML = oSettings.oLanguage.oPaginate.sLast;
var oClasses = oSettings.oClasses;
nFirst.className = oClasses.sPageButton+" "+oClasses.sPageFirst;
nPrevious.className = oClasses.sPageButton+" "+oClasses.sPagePrevious;
nNext.className= oClasses.sPageButton+" "+oClasses.sPageNext;
nLast.className = oClasses.sPageButton+" "+oClasses.sPageLast;
nPaging.appendChild( nFirst );
nPaging.appendChild( nPrevious );
nPaging.appendChild( nList );
nPaging.appendChild( nNext );
nPaging.appendChild( nLast );
$(nFirst).click( function () {
if ( oSettings.oApi._fnPageChange( oSettings, "first" ) )
{
fnCallbackDraw( oSettings );
}
} );
$(nPrevious).click( function() {
if ( oSettings.oApi._fnPageChange( oSettings, "previous" ) )
{
fnCallbackDraw( oSettings );
}
} );
$(nNext).click( function() {
if ( oSettings.oApi._fnPageChange( oSettings, "next" ) )
{
fnCallbackDraw( oSettings );
}
} );
$(nLast).click( function() {
if ( oSettings.oApi._fnPageChange( oSettings, "last" ) )
{
fnCallbackDraw( oSettings );
}
} );
/* Take the brutal approach to cancelling text selection */
$('span', nPaging)
.bind( 'mousedown', function () { return false; } )
.bind( 'selectstart', function () { return false; } );
/* ID the first elements only */
if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.p == "undefined" )
{
nPaging.setAttribute( 'id', oSettings.sTableId+'_paginate' );
nFirst.setAttribute( 'id', oSettings.sTableId+'_first' );
nPrevious.setAttribute( 'id', oSettings.sTableId+'_previous' );
nNext.setAttribute( 'id', oSettings.sTableId+'_next' );
nLast.setAttribute( 'id', oSettings.sTableId+'_last' );
}
},
/*
* Function: oPagination.full_numbers.fnUpdate
* Purpose: Update the list of page buttons shows
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* function:fnCallbackDraw - draw function to call on page change
*/
"fnUpdate": function ( oSettings, fnCallbackDraw )
{
if ( !oSettings.aanFeatures.p )
{
return;
}
var iPageCount = _oExt.oPagination.iFullNumbersShowPages;
var iPageCountHalf = Math.floor(iPageCount / 2);
var iPages = Math.ceil((oSettings.fnRecordsDisplay()) / oSettings._iDisplayLength);
var iCurrentPage = Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength) + 1;
var sList = "";
var iStartButton, iEndButton, i, iLen;
var oClasses = oSettings.oClasses;
/* Pages calculation */
if (iPages < iPageCount)
{
iStartButton = 1;
iEndButton = iPages;
}
else
{
if (iCurrentPage <= iPageCountHalf)
{
iStartButton = 1;
iEndButton = iPageCount;
}
else
{
if (iCurrentPage >= (iPages - iPageCountHalf))
{
iStartButton = iPages - iPageCount + 1;
iEndButton = iPages;
}
else
{
iStartButton = iCurrentPage - Math.ceil(iPageCount / 2) + 1;
iEndButton = iStartButton + iPageCount - 1;
}
}
}
/* Build the dynamic list */
for ( i=iStartButton ; i<=iEndButton ; i++ )
{
if ( iCurrentPage != i )
{
sList += '<span class="'+oClasses.sPageButton+'">'+i+'</span>';
}
else
{
sList += '<span class="'+oClasses.sPageButtonActive+'">'+i+'</span>';
}
}
/* Loop over each instance of the pager */
var an = oSettings.aanFeatures.p;
var anButtons, anStatic, nPaginateList;
var fnClick = function() {
/* Use the information in the element to jump to the required page */
var iTarget = (this.innerHTML * 1) - 1;
oSettings._iDisplayStart = iTarget * oSettings._iDisplayLength;
fnCallbackDraw( oSettings );
return false;
};
var fnFalse = function () { return false; };
for ( i=0, iLen=an.length ; i<iLen ; i++ )
{
if ( an[i].childNodes.length === 0 )
{
continue;
}
/* Build up the dynamic list forst - html and listeners */
nPaginateList = an[i].childNodes[2];
nPaginateList.innerHTML = sList;
$('span', nPaginateList).click( fnClick ).bind( 'mousedown', fnFalse )
.bind( 'selectstart', fnFalse );
/* Update the 'premanent botton's classes */
anButtons = an[i].getElementsByTagName('span');
anStatic = [
anButtons[0], anButtons[1], 
anButtons[anButtons.length-2], anButtons[anButtons.length-1]
];
$(anStatic).removeClass( oClasses.sPageButton+" "+oClasses.sPageButtonActive+" "+oClasses.sPageButtonStaticDisabled );
if ( iCurrentPage == 1 )
{
anStatic[0].className += " "+oClasses.sPageButtonStaticDisabled;
anStatic[1].className += " "+oClasses.sPageButtonStaticDisabled;
}
else
{
anStatic[0].className += " "+oClasses.sPageButton;
anStatic[1].className += " "+oClasses.sPageButton;
}
if ( iPages === 0 || iCurrentPage == iPages || oSettings._iDisplayLength == -1 )
{
anStatic[2].className += " "+oClasses.sPageButtonStaticDisabled;
anStatic[3].className += " "+oClasses.sPageButtonStaticDisabled;
}
else
{
anStatic[2].className += " "+oClasses.sPageButton;
anStatic[3].className += " "+oClasses.sPageButton;
}
}
}
}
};
/*
* Variable: oSort
* Purpose: Wrapper for the sorting functions that can be used in DataTables
* Scope: jQuery.fn.dataTableExt
* Notes: The functions provided in this object are basically standard javascript sort
* functions - they expect two inputs which they then compare and then return a priority
* result. For each sort method added, two functions need to be defined, an ascending sort and
* a descending sort.
*/
_oExt.oSort = {
/*
* text sorting
*/
"string-asc": function ( a, b )
{
var x = a.toLowerCase();
var y = b.toLowerCase();
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
},
"string-desc": function ( a, b )
{
var x = a.toLowerCase();
var y = b.toLowerCase();
return ((x < y) ? 1 : ((x > y) ? -1 : 0));
},

/*
* html sorting (ignore html tags)
*/
"html-asc": function ( a, b )
{
var x = a.replace( /<.*?>/g, "" ).toLowerCase();
var y = b.replace( /<.*?>/g, "" ).toLowerCase();
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
},
"html-desc": function ( a, b )
{
var x = a.replace( /<.*?>/g, "" ).toLowerCase();
var y = b.replace( /<.*?>/g, "" ).toLowerCase();
return ((x < y) ? 1 : ((x > y) ? -1 : 0));
},

/*
* date sorting
*/
"date-asc": function ( a, b )
{
var x = Date.parse( a );
var y = Date.parse( b );
if ( isNaN( x ) )
{
x = Date.parse( "01/01/1970 00:00:00" );
}
if ( isNaN( y ) )
{
y = Date.parse( "01/01/1970 00:00:00" );
}
return x - y;
},
"date-desc": function ( a, b )
{
var x = Date.parse( a );
var y = Date.parse( b );
if ( isNaN( x ) )
{
x = Date.parse( "01/01/1970 00:00:00" );
}
if ( isNaN( y ) )
{
y = Date.parse( "01/01/1970 00:00:00" );
}
return y - x;
},

/*
* numerical sorting
*/
"numeric-asc": function ( a, b )
{
var x = a == "-" ? 0 : a;
var y = b == "-" ? 0 : b;
return x - y;
},
"numeric-desc": function ( a, b )
{
var x = a == "-" ? 0 : a;
var y = b == "-" ? 0 : b;
return y - x;
}
};

/*
* Variable: aTypes
* Purpose: Container for the various type of type detection that dataTables supports
* Scope: jQuery.fn.dataTableExt
* Notes: The functions in this array are expected to parse a string to see if it is a data
* type that it recognises. If so then the function should return the name of the type (a
* corresponding sort function should be defined!), if the type is not recognised then the
* function should return null such that the parser and move on to check the next type.
* Note that ordering is important in this array - the functions are processed linearly,
* starting at index 0.
*/
_oExt.aTypes = [
/*
* Function: -
* Purpose: Check to see if a string is numeric
* Returns: string:'numeric' or null
* Inputs: string:sText - string to check
*/
function ( sData )
{
/* Sanity check that we are dealing with a string or quick return for a number */
if ( typeof sData == 'number' )
{
return 'numeric';
}
else if ( typeof sData.charAt != 'function' )
{
return null;
}
var sValidFirstChars = "0123456789-";
var sValidChars = "0123456789.";
var Char;
var bDecimal = false;
/* Check for a valid first char (no period and allow negatives) */
Char = sData.charAt(0); 
if (sValidFirstChars.indexOf(Char) == -1) 
{
return null;
}
/* Check all the other characters are valid */
for ( var i=1 ; i<sData.length ; i++ ) 
{
Char = sData.charAt(i); 
if (sValidChars.indexOf(Char) == -1) 
{
return null;
}
/* Only allowed one decimal place... */
if ( Char == "." )
{
if ( bDecimal )
{
return null;
}
bDecimal = true;
}
}
return 'numeric';
},
/*
* Function: -
* Purpose: Check to see if a string is actually a formatted date
* Returns: string:'date' or null
* Inputs: string:sText - string to check
*/
function ( sData )
{
var iParse = Date.parse(sData);
if ( iParse !== null && !isNaN(iParse) )
{
return 'date';
}
return null;
}
];

/*
* Variable: _oExternConfig
* Purpose: Store information for DataTables to access globally about other instances
* Scope: jQuery.fn.dataTableExt
*/
_oExt._oExternConfig = {
/* int:iNextUnique - next unique number for an instance */
"iNextUnique": 0
};

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - DataTables prototype
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Function: dataTable
* Purpose: DataTables information
* Returns: -
* Inputs: object:oInit - initalisation options for the table
*/
$.fn.dataTable = function( oInit )
{
/*
* Function: classSettings
* Purpose: Settings container function for all 'class' properties which are required
* by dataTables
* Returns: -
* Inputs: -
*/
function classSettings ()
{
this.fnRecordsTotal = function ()
{
if ( this.oFeatures.bServerSide ) {
return this._iRecordsTotal;
} else {
return this.aiDisplayMaster.length;
}
};
this.fnRecordsDisplay = function ()
{
if ( this.oFeatures.bServerSide ) {
return this._iRecordsDisplay;
} else {
return this.aiDisplay.length;
}
};
this.fnDisplayEnd = function ()
{
if ( this.oFeatures.bServerSide ) {
return this._iDisplayStart + this.aiDisplay.length;
} else {
return this._iDisplayEnd;
}
};
/*
* Variable: sInstance
* Purpose: Unique idendifier for each instance of the DataTables object
* Scope: jQuery.dataTable.classSettings 
*/
this.sInstance = null;
/*
* Variable: oFeatures
* Purpose: Indicate the enablement of key dataTable features
* Scope: jQuery.dataTable.classSettings 
*/
this.oFeatures = {
"bPaginate": true,
"bLengthChange": true,
"bFilter": true,
"bSort": true,
"bInfo": true,
"bAutoWidth": true,
"bProcessing": false,
"bSortClasses": true,
"bStateSave": false,
"bServerSide": false
};
/*
* Variable: aanFeatures
* Purpose: Array referencing the nodes which are used for the features
* Scope: jQuery.dataTable.classSettings 
* Notes: The parameters of this object match what is allowed by sDom - i.e.
* 'l' - Length changing
* 'f' - Filtering input
* 't' - The table!
* 'i' - Information
* 'p' - Pagination
* 'r' - pRocessing
*/
this.aanFeatures = [];
/*
* Variable: oLanguage
* Purpose: Store the language strings used by dataTables
* Scope: jQuery.dataTable.classSettings
* Notes: The words in the format _VAR_ are variables which are dynamically replaced
* by javascript
*/
this.oLanguage = {
"sProcessing": "Processing...",
"sLengthMenu": "Show _MENU_ entries",
"sZeroRecords": "No matching records found",
"sInfo": "Showing _START_ to _END_ of _TOTAL_ entries",
"sInfoEmpty": "Showing 0 to 0 of 0 entries",
"sInfoFiltered": "(filtered from _MAX_ total entries)",
"sInfoPostFix": "",
"sSearch": "Search Style:",
"sUrl": "",
"oPaginate": {
"sFirst": "First",
"sPrevious": "Previous",
"sNext": "Next",
"sLast": "Last"
}
};
/*
* Variable: aoData
* Purpose: Store data information
* Scope: jQuery.dataTable.classSettings 
* Notes: This is an array of objects with the following parameters:
* int: _iId - internal id for tracking
* array: _aData - internal data - used for sorting / filtering etc
* node: nTr - display node
* array node: _anHidden - hidden TD nodes
* string: _sRowStripe
*/
this.aoData = [];
/*
* Variable: aiDisplay
* Purpose: Array of indexes which are in the current display (after filtering etc)
* Scope: jQuery.dataTable.classSettings
*/
this.aiDisplay = [];
/*
* Variable: aiDisplayMaster
* Purpose: Array of indexes for display - no filtering
* Scope: jQuery.dataTable.classSettings
*/
this.aiDisplayMaster = [];
/*
* Variable: aoColumns
* Purpose: Store information about each column that is in use
* Scope: jQuery.dataTable.classSettings 
*/
this.aoColumns = [];
/*
* Variable: iNextId
* Purpose: Store the next unique id to be used for a new row
* Scope: jQuery.dataTable.classSettings 
*/
this.iNextId = 0;
/*
* Variable: asDataSearch
* Purpose: Search data array for regular expression searching
* Scope: jQuery.dataTable.classSettings
*/
this.asDataSearch = [];
/*
* Variable: oPreviousSearch
* Purpose: Store the previous search incase we want to force a re-search
* or compare the old search to a new one
* Scope: jQuery.dataTable.classSettings
*/
this.oPreviousSearch = {
"sSearch": "",
"bEscapeRegex": true
};
/*
* Variable: aoPreSearchCols
* Purpose: Store the previous search for each column
* Scope: jQuery.dataTable.classSettings
*/
this.aoPreSearchCols = [];
/*
* Variable: aaSorting
* Purpose: Sorting information
* Scope: jQuery.dataTable.classSettings
* Notes: Index 0 - column number
* Index 1 - current sorting direction
* Index 2 - index of asSorting for this column
*/
this.aaSorting = [ [0, 'asc', 0] ];
/*
* Variable: aaSortingFixed
* Purpose: Sorting information that is always applied
* Scope: jQuery.dataTable.classSettings
*/
this.aaSortingFixed = null;
/*
* Variable: asStripClasses
* Purpose: Classes to use for the striping of a table
* Scope: jQuery.dataTable.classSettings
*/
this.asStripClasses = [];
/*
* Variable: fnRowCallback
* Purpose: Call this function every time a row is inserted (draw)
* Scope: jQuery.dataTable.classSettings
*/
this.fnRowCallback = null;
/*
* Variable: fnHeaderCallback
* Purpose: Callback function for the header on each draw
* Scope: jQuery.dataTable.classSettings
*/
this.fnHeaderCallback = null;
/*
* Variable: fnFooterCallback
* Purpose: Callback function for the footer on each draw
* Scope: jQuery.dataTable.classSettings
*/
this.fnFooterCallback = null;
/*
* Variable: aoDrawCallback
* Purpose: Array of callback functions for draw callback functions
* Scope: jQuery.dataTable.classSettings
* Notes: Each array element is an object with the following parameters:
* function:fn - function to call
* string:sName - name callback (feature). useful for arranging array
*/
this.aoDrawCallback = [];
/*
* Variable: fnInitComplete
* Purpose: Callback function for when the table has been initalised
* Scope: jQuery.dataTable.classSettings
*/
this.fnInitComplete = null;
/*
* Variable: sTableId
* Purpose: Cache the table ID for quick access
* Scope: jQuery.dataTable.classSettings
*/
this.sTableId = "";
/*
* Variable: nTable
* Purpose: Cache the table node for quick access
* Scope: jQuery.dataTable.classSettings
*/
this.nTable = null;
/*
* Variable: iDefaultSortIndex
* Purpose: Sorting index which will be used by default
* Scope: jQuery.dataTable.classSettings
*/
this.iDefaultSortIndex = 0;
/*
* Variable: bInitialised
* Purpose: Indicate if all required information has been read in
* Scope: jQuery.dataTable.classSettings
*/
this.bInitialised = false;
/*
* Variable: aoOpenRows
* Purpose: Information about open rows
* Scope: jQuery.dataTable.classSettings
* Notes: Has the parameters 'nTr' and 'nParent'
*/
this.aoOpenRows = [];
/*
* Variable: sDom
* Purpose: Dictate the positioning that the created elements will take
* Scope: jQuery.dataTable.classSettings
* Notes: 
* The following options are allowed:
* 'l' - Length changing
* 'f' - Filtering input
* 't' - The table!
* 'i' - Information
* 'p' - Pagination
* 'r' - pRocessing
* The following constants are allowed:
* 'H' - jQueryUI theme "header" classes
* 'F' - jQueryUI theme "footer" classes
* The following syntax is expected:
* '<' and '>' - div elements
* '<"class" and '>' - div with a class
* Examples:
* '<"wrapper"flipt>', '<lf<t>ip>'
*/
this.sDom = 'lfrtip';
/*
* Variable: sPaginationType
* Purpose: Note which type of sorting should be used
* Scope: jQuery.dataTable.classSettings
*/
this.sPaginationType = "two_button";
/*
* Variable: iCookieDuration
* Purpose: The cookie duration (for bStateSave) in seconds - default 2 hours
* Scope: jQuery.dataTable.classSettings
*/
this.iCookieDuration = 60 * 60 * 2;
/*
* Variable: sAjaxSource
* Purpose: Source url for AJAX data for the table
* Scope: jQuery.dataTable.classSettings
*/
this.sAjaxSource = null;
/*
* Variable: bAjaxDataGet
* Purpose: Note if draw should be blocked while getting data
* Scope: jQuery.dataTable.classSettings
*/
this.bAjaxDataGet = true;
/*
* Variable: fnServerData
* Purpose: Function to get the server-side data - can be overruled by the developer
* Scope: jQuery.dataTable.classSettings
*/
this.fnServerData = $.getJSON;
/*
* Variable: iServerDraw
* Purpose: Counter and tracker for server-side processing draws
* Scope: jQuery.dataTable.classSettings
*/
this.iServerDraw = 0;
/*
* Variable: _iDisplayLength, _iDisplayStart, _iDisplayEnd
* Purpose: Display length variables
* Scope: jQuery.dataTable.classSettings
* Notes: These variable must NOT be used externally to get the data length. Rather, use
* the fnRecordsTotal() (etc) functions.
*/
this._iDisplayLength = 10;
this._iDisplayStart = 0;
this._iDisplayEnd = 10;
/*
* Variable: _iRecordsTotal, _iRecordsDisplay
* Purpose: Display length variables used for server side processing
* Scope: jQuery.dataTable.classSettings
* Notes: These variable must NOT be used externally to get the data length. Rather, use
* the fnRecordsTotal() (etc) functions.
*/
this._iRecordsTotal = 0;
this._iRecordsDisplay = 0;
/*
* Variable: bJUI
* Purpose: Should we add the markup needed for jQuery UI theming?
* Scope: jQuery.dataTable.classSettings
*/
this.bJUI = false;
/*
* Variable: bJUI
* Purpose: Should we add the markup needed for jQuery UI theming?
* Scope: jQuery.dataTable.classSettings
*/
this.oClasses = _oExt.oStdClasses;
/*
* Variable: bFiltered and bSorted
* Purpose: Flag to allow callback functions to see what action has been performed
* Scope: jQuery.dataTable.classSettings
*/
this.bFiltered = false;
this.bSorted = false;
}
/*
* Variable: oApi
* Purpose: Container for publicly exposed 'private' functions
* Scope: jQuery.dataTable
*/
this.oApi = {};

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - API functions
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Function: fnDraw
* Purpose: Redraw the table
* Returns: -
* Inputs: bool:bComplete - Refilter and resort (if enabled) the table before the draw.
* Optional: default - true
*/
this.fnDraw = function( bComplete )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
if ( typeof bComplete != 'undefined' && bComplete === false )
{
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
else
{
_fnReDraw( oSettings );
}
};
/*
* Function: fnFilter
* Purpose: Filter the input based on data
* Returns: -
* Inputs: string:sInput - string to filter the table on
* int:iColumn - optional - column to limit filtering to
* bool:bEscapeRegex - optional - escape regex characters or not - default true
*/
this.fnFilter = function( sInput, iColumn, bEscapeRegex )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
if ( typeof bEscapeRegex == 'undefined' )
{
bEscapeRegex = true;
}
if ( typeof iColumn == "undefined" || iColumn === null )
{
/* Global filter */
_fnFilterComplete( oSettings, {"sSearch":sInput, "bEscapeRegex": bEscapeRegex}, 1 );
}
else
{
/* Single column filter */
oSettings.aoPreSearchCols[ iColumn ].sSearch = sInput;
oSettings.aoPreSearchCols[ iColumn ].bEscapeRegex = bEscapeRegex;
_fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 );
}
};
/*
* Function: fnSettings
* Purpose: Get the settings for a particular table for extern. manipulation
* Returns: -
* Inputs: -
*/
this.fnSettings = function( nNode )
{
return _fnSettingsFromNode( this[_oExt.iApiIndex] );
};
/*
* Function: fnVersionCheck
* Purpose: Check a version string against this version of DataTables. Useful for plug-ins
* Returns: bool:true -this version of DataTables is greater or equal to the required version
* false -this version of DataTales is not suitable
* Inputs: string:sVersion - the version to check against. May be in the following formats:
* "a", "a.b" or "a.b.c"
* Notes: This function will only check the first three parts of a version string. It is
* assumed that beta and dev versions will meet the requirements. This might change in future
*/
this.fnVersionCheck = function( sVersion )
{
/* This is cheap, but very effective */
var fnZPad = function (Zpad, count)
{
while(Zpad.length < count) {
Zpad += '0';
}
return Zpad;
};
var aThis = _oExt.sVersion.split('.');
var aThat = sVersion.split('.');
var sThis = '', sThat = '';
for ( var i=0, iLen=aThat.length ; i<iLen ; i++ )
{
sThis += fnZPad( aThis[i], 3 );
sThat += fnZPad( aThat[i], 3 );
}
return parseInt(sThis, 10) >= parseInt(sThat, 10);
};
/*
* Function: fnSort
* Purpose: Sort the table by a particular row
* Returns: -
* Inputs: int:iCol - the data index to sort on. Note that this will
* not match the 'display index' if you have hidden data entries
*/
this.fnSort = function( aaSort )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
oSettings.aaSorting = aaSort;
_fnSort( oSettings );
};
/*
* Function: fnSortListener
* Purpose: Attach a sort listener to an element for a given column
* Returns: -
* Inputs: node:nNode - the element to attach the sort listener to
* int:iColumn - the column that a click on this node will sort on
* function:fnCallback - callback function when sort is run - optional
*/
this.fnSortListener = function( nNode, iColumn, fnCallback )
{
_fnSortAttachListener( _fnSettingsFromNode( this[_oExt.iApiIndex] ), nNode, iColumn,
fnCallback );
};
/*
* Function: fnAddData
* Purpose: Add new row(s) into the table
* Returns: array int: array of indexes (aoData) which have been added (zero length on error)
* Inputs: array:mData - the data to be added. The length must match
* the original data from the DOM
* or
* array array:mData - 2D array of data to be added
* bool:bRedraw - redraw the table or not - default true
* Notes: Warning - the refilter here will cause the table to redraw
* starting at zero
* Notes: Thanks to Yekimov Denis for contributing the basis for this function!
*/
this.fnAddData = function( mData, bRedraw )
{
if ( mData.length === 0 )
{
return [];
}
var aiReturn = [];
var iTest;
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
/* Check if we want to add multiple rows or not */
if ( typeof mData[0] == "object" )
{
for ( var i=0 ; i<mData.length ; i++ )
{
iTest = _fnAddData( oSettings, mData[i] );
if ( iTest == -1 )
{
return aiReturn;
}
aiReturn.push( iTest );
}
}
else
{
iTest = _fnAddData( oSettings, mData );
if ( iTest == -1 )
{
return aiReturn;
}
aiReturn.push( iTest );
}
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
/* Rebuild the search */
_fnBuildSearchArray( oSettings, 1 );
if ( typeof bRedraw == 'undefined' || bRedraw )
{
_fnReDraw( oSettings );
}
return aiReturn;
};
/*
* Function: fnDeleteRow
* Purpose: Remove a row for the table
* Returns: array:aReturn - the row that was deleted
* Inputs: mixed:mTarget - 
* int: - index of aoData to be deleted, or
* node(TR): - TR element you want to delete
* function:fnCallBack - callback function - default null
* bool:bNullRow - remove the row information from aoData by setting the value to
* null - default false
* Notes: This function requires a little explanation - we don't actually delete the data
* from aoData - rather we remove it's references from aiDisplayMastr and aiDisplay. This
* in effect prevnts DataTables from drawing it (hence deleting it) - it could be restored
* if you really wanted. The reason for this is that actually removing the aoData object
* would mess up all the subsequent indexes in the display arrays (they could be ajusted - 
* but this appears to do what is required).
*/
this.fnDeleteRow = function( mTarget, fnCallBack, bNullRow )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
var i, iAODataIndex;
iAODataIndex = (typeof mTarget == 'object') ? 
_fnNodeToDataIndex(oSettings, mTarget) : mTarget;
/* Delete from the display master */
for ( i=0 ; i<oSettings.aiDisplayMaster.length ; i++ )
{
if ( oSettings.aiDisplayMaster[i] == iAODataIndex )
{
oSettings.aiDisplayMaster.splice( i, 1 );
break;
}
}
/* Delete from the current display index */
for ( i=0 ; i<oSettings.aiDisplay.length ; i++ )
{
if ( oSettings.aiDisplay[i] == iAODataIndex )
{
oSettings.aiDisplay.splice( i, 1 );
break;
}
}
/* Rebuild the search */
_fnBuildSearchArray( oSettings, 1 );
/* If there is a user callback function - call it */
if ( typeof fnCallBack == "function" )
{
fnCallBack.call( this );
}
/* Check for an 'overflow' they case for dislaying the table */
if ( oSettings._iDisplayStart >= oSettings.aiDisplay.length )
{
oSettings._iDisplayStart -= oSettings._iDisplayLength;
if ( oSettings._iDisplayStart < 0 )
{
oSettings._iDisplayStart = 0;
}
}
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
/* Return the data array from this row */
var aData = oSettings.aoData[iAODataIndex]._aData.slice();
if ( typeof bNullRow != "undefined" && bNullRow === true )
{
oSettings.aoData[iAODataIndex] = null;
}
return aData;
};
/*
* Function: fnClearTable
* Purpose: Quickly and simply clear a table
* Returns: -
* Inputs: bool:bRedraw - redraw the table or not - default true
* Notes: Thanks to Yekimov Denis for contributing the basis for this function!
*/
this.fnClearTable = function( bRedraw )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
_fnClearTable( oSettings );
if ( typeof bRedraw == 'undefined' || bRedraw )
{
_fnDraw( oSettings );
}
};
/*
* Function: fnOpen
* Purpose: Open a display row (append a row after the row in question)
* Returns: node:nNewRow - the row opened
* Inputs: node:nTr - the table row to 'open'
* string:sHtml - the HTML to put into the row
* string:sClass - class to give the new cell
*/
this.fnOpen = function( nTr, sHtml, sClass )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
/* the old open one if there is one */
this.fnClose( nTr );
var nNewRow = document.createElement("tr");
var nNewCell = document.createElement("td");
nNewRow.appendChild( nNewCell );
nNewCell.className = sClass;
nNewCell.colSpan = _fnVisbleColumns( oSettings );
nNewCell.innerHTML = sHtml;
/* If the nTr isn't on the page at the moment - then we don't insert at the moment */
var nTrs = $('tbody tr', oSettings.nTable);
if ( $.inArray(nTr, nTrs) != -1 )
{
$(nNewRow).insertAfter(nTr);
}
/* No point in storing the row if using server-side processing since the nParent will be
* nuked on a re-draw anyway
*/
if ( !oSettings.oFeatures.bServerSide )
{
oSettings.aoOpenRows.push( {
"nTr": nNewRow,
"nParent": nTr
} );
}
return nNewRow;
};
/*
* Function: fnClose
* Purpose: Close a display row
* Returns: int: 0 (success) or 1 (failed)
* Inputs: node:nTr - the table row to 'close'
*/
this.fnClose = function( nTr )
{
/* Find settings from table node */
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
for ( var i=0 ; i<oSettings.aoOpenRows.length ; i++ )
{
if ( oSettings.aoOpenRows[i].nParent == nTr )
{
var nTrParent = oSettings.aoOpenRows[i].nTr.parentNode;
if ( nTrParent )
{
/* Remove it if it is currently on display */
nTrParent.removeChild( oSettings.aoOpenRows[i].nTr );
}
oSettings.aoOpenRows.splice( i, 1 );
return 0;
}
}
return 1;
};
/*
* Function: fnGetData
* Purpose: Return an array with the data which is used to make up the table
* Returns: array array string: 2d data array ([row][column]) or array string: 1d data array
* or
* array string (if iRow specified)
* Inputs: mixed:mRow - optional - if not present, then the full 2D array for the table 
* if given then:
* int: - return 1D array for aoData entry of this index
* node(TR): - return 1D array for this TR element
* Inputs: int:iRow - optional - if present then the array returned will be the data for
* the row with the index 'iRow'
*/
this.fnGetData = function( mRow )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
if ( typeof mRow != 'undefined' )
{
var iRow = (typeof mRow == 'object') ? 
_fnNodeToDataIndex(oSettings, mRow) : mRow;
return oSettings.aoData[iRow]._aData;
}
return _fnGetDataMaster( oSettings );
};
/*
* Function: fnGetNodes
* Purpose: Return an array with the TR nodes used for drawing the table
* Returns: array node: TR elements
* or
* node (if iRow specified)
* Inputs: int:iRow - optional - if present then the array returned will be the node for
* the row with the index 'iRow'
*/
this.fnGetNodes = function( iRow )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
if ( typeof iRow != 'undefined' )
{
return oSettings.aoData[iRow].nTr;
}
return _fnGetTrNodes( oSettings );
};
/*
* Function: fnGetPosition
* Purpose: Get the array indexes of a particular cell from it's DOM element
* Returns: int: - row index, or array[ int, int, int ]: - row index, column index (visible)
* and column index including hidden columns
* Inputs: node:nNode - this can either be a TR or a TD in the table, the return is
* dependent on this input
*/
this.fnGetPosition = function( nNode )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
var i;
if ( nNode.nodeName == "TR" )
{
return _fnNodeToDataIndex(oSettings, nNode);
}
else if ( nNode.nodeName == "TD" )
{
var iDataIndex = _fnNodeToDataIndex(oSettings, nNode.parentNode);
var iCorrector = 0;
for ( var j=0 ; j<oSettings.aoColumns.length ; j++ )
{
if ( oSettings.aoColumns[j].bVisible )
{
if ( oSettings.aoData[iDataIndex].nTr.getElementsByTagName('td')[j-iCorrector] == nNode )
{
return [ iDataIndex, j-iCorrector, j ];
}
}
else
{
iCorrector++;
}
}
}
return null;
};
/*
* Function: fnUpdate
* Purpose: Update a table cell or row
* Returns: int: 0 okay, 1 error
* Inputs: array string 'or' string:mData - data to update the cell/row with
* mixed:mRow - 
* int: - index of aoData to be updated, or
* node(TR): - TR element you want to update
* int:iColumn - the column to update - optional (not used of mData is 2D)
* bool:bRedraw - redraw the table or not - default true
*/
this.fnUpdate = function( mData, mRow, iColumn, bRedraw )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
var iVisibleColumn;
var sDisplay;
var iRow = (typeof mRow == 'object') ? 
_fnNodeToDataIndex(oSettings, mRow) : mRow;
if ( typeof mData != 'object' )
{
sDisplay = mData;
oSettings.aoData[iRow]._aData[iColumn] = sDisplay;
if ( oSettings.aoColumns[iColumn].fnRender !== null )
{
sDisplay = oSettings.aoColumns[iColumn].fnRender( {
"iDataRow": iRow,
"iDataColumn": iColumn,
"aData": oSettings.aoData[iRow]._aData,
"oSettings": oSettings
} );
if ( oSettings.aoColumns[iColumn].bUseRendered )
{
oSettings.aoData[iRow]._aData[iColumn] = sDisplay;
}
}
iVisibleColumn = _fnColumnIndexToVisible( oSettings, iColumn );
if ( iVisibleColumn !== null )
{
oSettings.aoData[iRow].nTr.getElementsByTagName('td')[iVisibleColumn].innerHTML = 
sDisplay;
}
}
else
{
if ( mData.length != oSettings.aoColumns.length )
{
alert( 'DataTables warning: An array passed to fnUpdate must have the same number of '+
'columns as the table in question - in this case '+oSettings.aoColumns.length );
return 1;
}
for ( var i=0 ; i<mData.length ; i++ )
{
sDisplay = mData[i];
oSettings.aoData[iRow]._aData[i] = sDisplay;
if ( oSettings.aoColumns[i].fnRender !== null )
{
sDisplay = oSettings.aoColumns[i].fnRender( {
"iDataRow": iRow,
"iDataColumn": i,
"aData": oSettings.aoData[iRow]._aData,
"oSettings": oSettings
} );
if ( oSettings.aoColumns[i].bUseRendered )
{
oSettings.aoData[iRow]._aData[i] = sDisplay;
}
}
iVisibleColumn = _fnColumnIndexToVisible( oSettings, i );
if ( iVisibleColumn !== null )
{
oSettings.aoData[iRow].nTr.getElementsByTagName('td')[iVisibleColumn].innerHTML = 
sDisplay;
}
}
}
/* Update the search array */
_fnBuildSearchArray( oSettings, 1 );
/* Redraw the table */
if ( typeof bRedraw != 'undefined' && bRedraw )
{
_fnReDraw( oSettings );
}
return 0;
};

/*
* Function: fnShowColoumn
* Purpose: Show a particular column
* Returns: -
* Inputs: int:iCol - the column whose display should be changed
* bool:bShow - show (true) or hide (false) the column
*/
this.fnSetColumnVis = function ( iCol, bShow )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
var i, iLen;
var iColumns = oSettings.aoColumns.length;
var nTd, anTds;
/* No point in doing anything if we are requesting what is already true */
if ( oSettings.aoColumns[iCol].bVisible == bShow )
{
return;
}
var nTrHead = $('thead:eq(0)>tr', oSettings.nTable)[0];
var nTrFoot = $('tfoot:eq(0)>tr', oSettings.nTable)[0];
var anTheadTh = [];
var anTfootTh = [];
for ( i=0 ; i<iColumns ; i++ )
{
anTheadTh.push( oSettings.aoColumns[i].nTh );
anTfootTh.push( oSettings.aoColumns[i].nTf );
}
/* Show the column */
if ( bShow )
{
var iInsert = 0;
for ( i=0 ; i<iCol ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
iInsert++;
}
}
/* Need to decide if we should use appendChild or insertBefore */
if ( iInsert >= _fnVisbleColumns( oSettings ) )
{
nTrHead.appendChild( anTheadTh[iCol] );
if ( nTrFoot )
{
nTrFoot.appendChild( anTfootTh[iCol] );
}
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
nTd = oSettings.aoData[i]._anHidden[iCol];
oSettings.aoData[i].nTr.appendChild( nTd );
}
}
else
{
/* Which coloumn should we be inserting before? */
var iBefore;
for ( i=iCol ; i<iColumns ; i++ )
{
iBefore = _fnColumnIndexToVisible( oSettings, i );
if ( iBefore !== null )
{
break;
}
}
nTrHead.insertBefore( anTheadTh[iCol], nTrHead.getElementsByTagName('th')[iBefore] );
if ( nTrFoot )
{
nTrFoot.insertBefore( anTfootTh[iCol], nTrFoot.getElementsByTagName('th')[iBefore] );
}
anTds = _fnGetTdNodes( oSettings );
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
nTd = oSettings.aoData[i]._anHidden[iCol];
oSettings.aoData[i].nTr.insertBefore( nTd, $('>td:eq('+iBefore+')', 
oSettings.aoData[i].nTr)[0] );
}
}
oSettings.aoColumns[iCol].bVisible = true;
}
else
{
/* Remove a column from display */
nTrHead.removeChild( anTheadTh[iCol] );
if ( nTrFoot )
{
nTrFoot.removeChild( anTfootTh[iCol] );
}
anTds = _fnGetTdNodes( oSettings );
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
nTd = anTds[ ( i*oSettings.aoColumns.length) + iCol ];
oSettings.aoData[i]._anHidden[iCol] = nTd;
nTd.parentNode.removeChild( nTd );
}
oSettings.aoColumns[iCol].bVisible = false;
}
/* If there are any 'open' rows, then we need to alter the colspan for this col change */
for ( i=0, iLen=oSettings.aoOpenRows.length ; i<iLen ; i++ )
{
oSettings.aoOpenRows[i].nTr.colSpan = _fnVisbleColumns( oSettings );
}
/* Since there is no redraw done here, we need to save the state manually */
_fnSaveState( oSettings );
};
/*
* Function: fnPageChange
* Purpose: Change the pagination
* Returns: -
* Inputs: string:sAction - paging action to take: "first", "previous", "next" or "last"
* bool:bRedraw - redraw the table or not - optional - default true
*/
this.fnPageChange = function ( sAction, bRedraw )
{
var oSettings = _fnSettingsFromNode( this[_oExt.iApiIndex] );
_fnPageChange( oSettings, sAction );
_fnCalculateEnd( oSettings );
if ( typeof bRedraw == 'undefined' || bRedraw )
{
_fnDraw( oSettings );
}
};

/*
* Plugin API functions
* 
* This call will add the functions which are defined in _oExt.oApi to the
* DataTables object, providing a rather nice way to allow plug-in API functions. Note that
* this is done here, so that API function can actually override the built in API functions if
* required for a particular purpose.
*/
/*
* Function: _fnExternApiFunc
* Purpose: Create a wrapper function for exporting an internal func to an external API func
* Returns: function: - wrapped function
* Inputs: string:sFunc - API function name
*/
function _fnExternApiFunc (sFunc)
{
return function() {
var aArgs = [_fnSettingsFromNode(this[_oExt.iApiIndex])].concat( 
Array.prototype.slice.call(arguments) );
return _oExt.oApi[sFunc].apply( this, aArgs );
};
}
for ( var sFunc in _oExt.oApi )
{
if ( sFunc )
{
/*
* Function: anon
* Purpose: Wrap the plug-in API functions in order to provide the settings as 1st arg 
* and execute in this scope
* Returns: -
* Inputs: -
*/
this[sFunc] = _fnExternApiFunc(sFunc);
}
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Local functions
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Initalisation
*/
/*
* Function: _fnInitalise
* Purpose: Draw the table for the first time, adding all required features
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnInitalise ( oSettings )
{
/* Ensure that the table data is fully initialised */
if ( oSettings.bInitialised === false )
{
setTimeout( function(){ _fnInitalise( oSettings ); }, 200 );
return;
}
/* Show the display HTML options */
_fnAddOptionsHtml( oSettings );
/* Draw the headers for the table */
_fnDrawHead( oSettings );
/* If there is default sorting required - let's do it. The sort function
* will do the drawing for us. Otherwise we draw the table
*/
if ( oSettings.oFeatures.bSort )
{
_fnSort( oSettings, false );
/*
* Add the sorting classes to the header and the body (if needed).
* Reason for doing it here after the first draw is to stop classes being applied to the
* 'static' table.
*/
_fnSortingClasses( oSettings );
}
else
{
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
/* if there is an ajax source */
if ( oSettings.sAjaxSource !== null && !oSettings.oFeatures.bServerSide )
{
_fnProcessingDisplay( oSettings, true );
oSettings.fnServerData( oSettings.sAjaxSource, null, function(json) {
/* Got the data - add it to the table */
for ( var i=0 ; i<json.aaData.length ; i++ )
{
_fnAddData( oSettings, json.aaData[i] );
}
/* Reset the init display for cookie saving. We've already done a filter, and
* therefore cleared it before. So we need to make it appear 'fresh'
*/
oSettings.iInitDisplayStart = oSettings._iDisplayStart;
if ( oSettings.oFeatures.bSort )
{
_fnSort( oSettings );
}
else
{
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
_fnProcessingDisplay( oSettings, false );
/* Run the init callback if there is one */
if ( typeof oSettings.fnInitComplete == 'function' )
{
oSettings.fnInitComplete( oSettings, json );
}
} );
return;
}
/* Run the init callback if there is one */
if ( typeof oSettings.fnInitComplete == 'function' )
{
oSettings.fnInitComplete( oSettings );
}
if ( !oSettings.oFeatures.bServerSide )
{
_fnProcessingDisplay( oSettings, false );
}
}
/*
* Function: _fnLanguageProcess
* Purpose: Copy language variables from remote object to a local one
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* object:oLanguage - Language information
* bool:bInit - init once complete
*/
function _fnLanguageProcess( oSettings, oLanguage, bInit )
{
_fnMap( oSettings.oLanguage, oLanguage, 'sProcessing' );
_fnMap( oSettings.oLanguage, oLanguage, 'sLengthMenu' );
_fnMap( oSettings.oLanguage, oLanguage, 'sZeroRecords' );
_fnMap( oSettings.oLanguage, oLanguage, 'sInfo' );
_fnMap( oSettings.oLanguage, oLanguage, 'sInfoEmpty' );
_fnMap( oSettings.oLanguage, oLanguage, 'sInfoFiltered' );
_fnMap( oSettings.oLanguage, oLanguage, 'sInfoPostFix' );
_fnMap( oSettings.oLanguage, oLanguage, 'sSearch' );
if ( typeof oLanguage.oPaginate != 'undefined' )
{
_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sFirst' );
_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sPrevious' );
_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sNext' );
_fnMap( oSettings.oLanguage.oPaginate, oLanguage.oPaginate, 'sLast' );
}
if ( bInit )
{
_fnInitalise( oSettings );
}
}
/*
* Function: _fnAddColumn
* Purpose: Add a column to the list used for the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* object:oOptions - object with sType, bVisible and bSearchable
* node:nTh - the th element for this column
* Notes: All options in enter column can be over-ridden by the user
* initialisation of dataTables
*/
function _fnAddColumn( oSettings, oOptions, nTh )
{
oSettings.aoColumns[ oSettings.aoColumns.length++ ] = {
"sType": null,
"_bAutoType": true,
"bVisible": true,
"bSearchable": true,
"bSortable": true,
"asSorting": [ 'asc', 'desc' ],
"sSortingClass": oSettings.oClasses.sSortable,
"sSortingClassJUI": oSettings.oClasses.sSortJUI,
"sTitle": nTh ? nTh.innerHTML : '',
"sName": '',
"sWidth": null,
"sClass": null,
"fnRender": null,
"bUseRendered": true,
"iDataSort": oSettings.aoColumns.length-1,
"sSortDataType": 'std',
"nTh": nTh ? nTh : document.createElement('th'),
"nTf": null
};
var iLength = oSettings.aoColumns.length-1;
var oCol = oSettings.aoColumns[ iLength ];
/* User specified column options */
if ( typeof oOptions != 'undefined' && oOptions !== null )
{
if ( typeof oOptions.sType != 'undefined' )
{
oCol.sType = oOptions.sType;
oCol._bAutoType = false;
}
_fnMap( oCol, oOptions, "bVisible" );
_fnMap( oCol, oOptions, "bSearchable" );
_fnMap( oCol, oOptions, "bSortable" );
_fnMap( oCol, oOptions, "sTitle" );
_fnMap( oCol, oOptions, "sName" );
_fnMap( oCol, oOptions, "sWidth" );
_fnMap( oCol, oOptions, "sClass" );
_fnMap( oCol, oOptions, "fnRender" );
_fnMap( oCol, oOptions, "bUseRendered" );
_fnMap( oCol, oOptions, "iDataSort" );
_fnMap( oCol, oOptions, "asSorting" );
_fnMap( oCol, oOptions, "sSortDataType" );
}
/* Feature sorting overrides column specific when off */
if ( !oSettings.oFeatures.bSort )
{
oCol.bSortable = false;
}
/* Check that the class assignment is correct for sorting */
if ( !oCol.bSortable ||
($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) )
{
oCol.sSortingClass = oSettings.oClasses.sSortableNone;
oCol.sSortingClassJUI = "";
}
else if ( $.inArray('asc', oCol.asSorting) != -1 && $.inArray('desc', oCol.asSorting) == -1 )
{
oCol.sSortingClass = oSettings.oClasses.sSortableAsc;
oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIAscAllowed;
}
else if ( $.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) != -1 )
{
oCol.sSortingClass = oSettings.oClasses.sSortableDesc;
oCol.sSortingClassJUI = oSettings.oClasses.sSortJUIDescAllowed;
}
/* Add a column specific filter */
if ( typeof oSettings.aoPreSearchCols[ iLength ] == 'undefined' ||
oSettings.aoPreSearchCols[ iLength ] === null )
{
oSettings.aoPreSearchCols[ iLength ] = {
"sSearch": "",
"bEscapeRegex": true
};
}
else if ( typeof oSettings.aoPreSearchCols[ iLength ].bEscapeRegex == 'undefined' )
{
/* Don't require that the user must specify bEscapeRegex */
oSettings.aoPreSearchCols[ iLength ].bEscapeRegex = true;
}
}
/*
* Function: _fnAddData
* Purpose: Add a data array to the table, creating DOM node etc
* Returns: int: - >=0 if successful (index of new aoData entry), -1 if failed
* Inputs: object:oSettings - dataTables settings object
* array:aData - data array to be added
*/
function _fnAddData ( oSettings, aData )
{
/* Sanity check the length of the new array */
if ( aData.length != oSettings.aoColumns.length )
{
alert( "DataTables warning: Added data does not match known number of columns" );
return -1;
}
/* Create the object for storing information about this new row */
var iThisIndex = oSettings.aoData.length;
oSettings.aoData.push( {
"nTr": document.createElement('tr'),
"_iId": oSettings.iNextId++,
"_aData": aData.slice(),
"_anHidden": [],
"_sRowStripe": ''
} );
/* Create the cells */
var nTd, sThisType;
for ( var i=0 ; i<aData.length ; i++ )
{
nTd = document.createElement('td');
if ( typeof oSettings.aoColumns[i].fnRender == 'function' )
{
var sRendered = oSettings.aoColumns[i].fnRender( {
"iDataRow": iThisIndex,
"iDataColumn": i,
"aData": aData,
"oSettings": oSettings
} );
nTd.innerHTML = sRendered;
if ( oSettings.aoColumns[i].bUseRendered )
{
/* Use the rendered data for filtering/sorting */
oSettings.aoData[iThisIndex]._aData[i] = sRendered;
}
}
else
{
nTd.innerHTML = aData[i];
}
if ( oSettings.aoColumns[i].sClass !== null )
{
nTd.className = oSettings.aoColumns[i].sClass;
}
/* See if we should auto-detect the column type */
if ( oSettings.aoColumns[i]._bAutoType && oSettings.aoColumns[i].sType != 'string' )
{
/* Attempt to auto detect the type - same as _fnGatherData() */
sThisType = _fnDetectType( oSettings.aoData[iThisIndex]._aData[i] );
if ( oSettings.aoColumns[i].sType === null )
{
oSettings.aoColumns[i].sType = sThisType;
}
else if ( oSettings.aoColumns[i].sType != sThisType )
{
/* String is always the 'fallback' option */
oSettings.aoColumns[i].sType = 'string';
}
}
if ( oSettings.aoColumns[i].bVisible )
{
oSettings.aoData[iThisIndex].nTr.appendChild( nTd );
}
else
{
oSettings.aoData[iThisIndex]._anHidden[i] = nTd;
}
}
/* Add to the display array */
oSettings.aiDisplayMaster.push( iThisIndex );
return iThisIndex;
}
/*
* Function: _fnGatherData
* Purpose: Read in the data from the target table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnGatherData( oSettings )
{
var iLoop, i, iLen, j, jLen, jInner,
nTds, nTrs, nTd, aLocalData, iThisIndex,
iRow, iRows, iColumn, iColumns;
/*
* Process by row first
* Add the data object for the whole table - storing the tr node. Note - no point in getting
* DOM based data if we are going to go and replace it with Ajax source data.
*/
if ( oSettings.sAjaxSource === null )
{
nTrs = oSettings.nTable.getElementsByTagName('tbody')[0].childNodes;
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
if ( nTrs[i].nodeName == "TR" )
{
iThisIndex = oSettings.aoData.length;
oSettings.aoData.push( {
"nTr": nTrs[i],
"_iId": oSettings.iNextId++,
"_aData": [],
"_anHidden": [],
"_sRowStripe": ''
} );
oSettings.aiDisplayMaster.push( iThisIndex );
aLocalData = oSettings.aoData[iThisIndex]._aData;
nTds = nTrs[i].childNodes;
jInner = 0;
for ( j=0, jLen=nTds.length ; j<jLen ; j++ )
{
if ( nTds[j].nodeName == "TD" )
{
aLocalData[jInner] = nTds[j].innerHTML;
jInner++;
}
}
}
}
}
/* Gather in the TD elements of the Table - note that this is basically the same as
* fnGetTdNodes, but that function takes account of hidden columns, which we haven't yet
* setup!
*/
nTrs = _fnGetTrNodes( oSettings );
nTds = [];
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
for ( j=0, jLen=nTrs[i].childNodes.length ; j<jLen ; j++ )
{
nTd = nTrs[i].childNodes[j];
if ( nTd.nodeName == "TD" )
{
nTds.push( nTd );
}
}
}
/* Sanity check */
if ( nTds.length != nTrs.length * oSettings.aoColumns.length )
{
alert( "DataTables warning: Unexpected number of TD elements. Expected "+
(nTrs.length * oSettings.aoColumns.length)+" and got "+nTds.length+". DataTables does "+
"not support rowspan / colspan in the table body, and there must be one cell for each "+
"row/column combination." );
}
/* Now process by column */
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
/* Get the title of the column - unless there is a user set one */
if ( oSettings.aoColumns[iColumn].sTitle === null )
{
oSettings.aoColumns[iColumn].sTitle = oSettings.aoColumns[iColumn].nTh.innerHTML;
}
var
bAutoType = oSettings.aoColumns[iColumn]._bAutoType,
bRender = typeof oSettings.aoColumns[iColumn].fnRender == 'function',
bClass = oSettings.aoColumns[iColumn].sClass !== null,
bVisible = oSettings.aoColumns[iColumn].bVisible,
nCell, sThisType, sRendered;
/* A single loop to rule them all (and be more efficient) */
if ( bAutoType || bRender || bClass || !bVisible )
{
for ( iRow=0, iRows=oSettings.aoData.length ; iRow<iRows ; iRow++ )
{
nCell = nTds[ (iRow*iColumns) + iColumn ];
/* Type detection */
if ( bAutoType )
{
if ( oSettings.aoColumns[iColumn].sType != 'string' )
{
sThisType = _fnDetectType( oSettings.aoData[iRow]._aData[iColumn] );
if ( oSettings.aoColumns[iColumn].sType === null )
{
oSettings.aoColumns[iColumn].sType = sThisType;
}
else if ( oSettings.aoColumns[iColumn].sType != sThisType )
{
/* String is always the 'fallback' option */
oSettings.aoColumns[iColumn].sType = 'string';
}
}
}
/* Rendering */
if ( bRender )
{
sRendered = oSettings.aoColumns[iColumn].fnRender( {
"iDataRow": iRow,
"iDataColumn": iColumn,
"aData": oSettings.aoData[iRow]._aData,
"oSettings": oSettings
} );
nCell.innerHTML = sRendered;
if ( oSettings.aoColumns[iColumn].bUseRendered )
{
/* Use the rendered data for filtering/sorting */
oSettings.aoData[iRow]._aData[iColumn] = sRendered;
}
}
/* Classes */
if ( bClass )
{
nCell.className += ' '+oSettings.aoColumns[iColumn].sClass;
}
/* Column visability */
if ( !bVisible )
{
oSettings.aoData[iRow]._anHidden[iColumn] = nCell;
nCell.parentNode.removeChild( nCell );
}
}
}
}
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Drawing functions
*/
/*
* Function: _fnDrawHead
* Purpose: Create the HTML header for the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnDrawHead( oSettings )
{
var i, nTh, iLen;
var iThs = oSettings.nTable.getElementsByTagName('thead')[0].getElementsByTagName('th').length;
var iCorrector = 0;
/* If there is a header in place - then use it - otherwise it's going to get nuked... */
if ( iThs !== 0 )
{
/* We've got a thead from the DOM, so remove hidden columns and apply width to vis cols */
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
//oSettings.aoColumns[i].nTh = nThs[i];
nTh = oSettings.aoColumns[i].nTh;
if ( oSettings.aoColumns[i].bVisible )
{
/* Set width */
if ( oSettings.aoColumns[i].sWidth !== null )
{
nTh.style.width = oSettings.aoColumns[i].sWidth;
}
/* Set the title of the column if it is user defined (not what was auto detected) */
if ( oSettings.aoColumns[i].sTitle != nTh.innerHTML )
{
nTh.innerHTML = oSettings.aoColumns[i].sTitle;
}
}
else
{
nTh.parentNode.removeChild( nTh );
iCorrector++;
}
}
}
else
{
/* We don't have a header in the DOM - so we are going to have to create one */
var nTr = document.createElement( "tr" );
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
nTh = oSettings.aoColumns[i].nTh;
nTh.innerHTML = oSettings.aoColumns[i].sTitle;
if ( oSettings.aoColumns[i].bVisible )
{
if ( oSettings.aoColumns[i].sClass !== null )
{
nTh.className = oSettings.aoColumns[i].sClass;
}
if ( oSettings.aoColumns[i].sWidth !== null )
{
nTh.style.width = oSettings.aoColumns[i].sWidth;
}
nTr.appendChild( nTh );
}
}
$('thead:eq(0)', oSettings.nTable).html( '' )[0].appendChild( nTr );
}
/* Add the extra markup needed by jQuery UI's themes */
if ( oSettings.bJUI )
{
for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
oSettings.aoColumns[i].nTh.insertBefore( document.createElement('span'),
oSettings.aoColumns[i].nTh.firstChild );
}
}
/* Add sort listener */
if ( oSettings.oFeatures.bSort )
{
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bSortable !== false )
{
_fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
}
else
{
$(oSettings.aoColumns[i].nTh).addClass( oSettings.oClasses.sSortableNone );
}
}
/* Take the brutal approach to cancelling text selection due to the shift key */
$('thead:eq(0) th', oSettings.nTable).mousedown( function (e) {
if ( e.shiftKey )
{
this.onselectstart = function() { return false; };
return false;
}
} );
}
/* Cache the footer elements */
var nTfoot = oSettings.nTable.getElementsByTagName('tfoot');
if ( nTfoot.length !== 0 )
{
iCorrector = 0;
var nTfs = nTfoot[0].getElementsByTagName('th');
for ( i=0, iLen=nTfs.length ; i<iLen ; i++ )
{
oSettings.aoColumns[i].nTf = nTfs[i-iCorrector];
if ( !oSettings.aoColumns[i].bVisible )
{
nTfs[i-iCorrector].parentNode.removeChild( nTfs[i-iCorrector] );
iCorrector++;
}
}
}
}
/*
* Function: _fnDraw
* Purpose: Insert the required TR nodes into the table for display
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnDraw( oSettings )
{
var i, iLen;
var anRows = [];
var iRowCount = 0;
var bRowError = false;
var iStrips = oSettings.asStripClasses.length;
var iOpenRows = oSettings.aoOpenRows.length;
/* If we are dealing with Ajax - do it here */
if ( oSettings.oFeatures.bServerSide && 
!_fnAjaxUpdate( oSettings ) )
{
return;
}
/* Check and see if we have an initial draw position from state saving */
if ( typeof oSettings.iInitDisplayStart != 'undefined' && oSettings.iInitDisplayStart != -1 )
{
oSettings._iDisplayStart = (oSettings.iInitDisplayStart >= oSettings.fnRecordsDisplay()) ?
0 : oSettings.iInitDisplayStart;
oSettings.iInitDisplayStart = -1;
_fnCalculateEnd( oSettings );
}
if ( oSettings.aiDisplay.length !== 0 )
{
var iStart = oSettings._iDisplayStart;
var iEnd = oSettings._iDisplayEnd;
if ( oSettings.oFeatures.bServerSide )
{
iStart = 0;
iEnd = oSettings.aoData.length;
}
for ( var j=iStart ; j<iEnd ; j++ )
{
var aoData = oSettings.aoData[ oSettings.aiDisplay[j] ];
var nRow = aoData.nTr;
/* Remove the old stripping classes and then add the new one */
if ( iStrips !== 0 )
{
var sStrip = oSettings.asStripClasses[ iRowCount % iStrips ];
if ( aoData._sRowStripe != sStrip )
{
$(nRow).removeClass( aoData._sRowStripe ).addClass( sStrip );
aoData._sRowStripe = sStrip;
}
}
/* Custom row callback function - might want to manipule the row */
if ( typeof oSettings.fnRowCallback == "function" )
{
nRow = oSettings.fnRowCallback( nRow, 
oSettings.aoData[ oSettings.aiDisplay[j] ]._aData, iRowCount, j );
if ( !nRow && !bRowError )
{
alert( "DataTables warning: A node was not returned by fnRowCallback" );
bRowError = true;
}
}
anRows.push( nRow );
iRowCount++;
/* If there is an open row - and it is attached to this parent - attach it on redraw */
if ( iOpenRows !== 0 )
{
for ( var k=0 ; k<iOpenRows ; k++ )
{
if ( nRow == oSettings.aoOpenRows[k].nParent )
{
anRows.push( oSettings.aoOpenRows[k].nTr );
}
}
}
}
}
else
{
/* Table is empty - create a row with an empty message in it */
anRows[ 0 ] = document.createElement( 'tr' );
if ( typeof oSettings.asStripClasses[0] != 'undefined' )
{
anRows[ 0 ].className = oSettings.asStripClasses[0];
}
var nTd = document.createElement( 'td' );
nTd.setAttribute( 'valign', "top" );
nTd.colSpan = oSettings.aoColumns.length;
nTd.className = oSettings.oClasses.sRowEmpty;
nTd.innerHTML = oSettings.oLanguage.sZeroRecords;
anRows[ iRowCount ].appendChild( nTd );
}
/* Callback the header and footer custom funcation if there is one */
if ( typeof oSettings.fnHeaderCallback == 'function' )
{
oSettings.fnHeaderCallback( $('thead:eq(0)>tr', oSettings.nTable)[0], 
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(),
oSettings.aiDisplay );
}
if ( typeof oSettings.fnFooterCallback == 'function' )
{
oSettings.fnFooterCallback( $('tfoot:eq(0)>tr', oSettings.nTable)[0], 
_fnGetDataMaster( oSettings ), oSettings._iDisplayStart, oSettings.fnDisplayEnd(),
oSettings.aiDisplay );
}
/* 
* Need to remove any old row from the display - note we can't just empty the tbody using
* $().html('') since this will unbind the jQuery event handlers (even although the node 
* still exists!) - equally we can't use innerHTML, since IE throws an exception.
*/
var nBody = oSettings.nTable.getElementsByTagName('tbody');
if ( nBody[0] )
{
var nTrs = nBody[0].childNodes;
for ( i=nTrs.length-1 ; i>=0 ; i-- )
{
nTrs[i].parentNode.removeChild( nTrs[i] );
}
/* Put the draw table into the dom */
for ( i=0, iLen=anRows.length ; i<iLen ; i++ )
{
nBody[0].appendChild( anRows[i] );
}
}
/* Call all required callback functions for the end of a draw */
for ( i=0, iLen=oSettings.aoDrawCallback.length ; i<iLen ; i++ )
{
oSettings.aoDrawCallback[i].fn( oSettings );
}
/* Draw is complete, sorting and filtering must be as well */
oSettings.bSorted = false;
oSettings.bFiltered = false;
/* Perform certain DOM operations after the table has been drawn for the first time */
if ( typeof oSettings._bInitComplete == "undefined" )
{
oSettings._bInitComplete = true;
/* Set an absolute width for the table such that pagination doesn't
* cause the table to resize
*/
if ( oSettings.oFeatures.bAutoWidth && oSettings.nTable.offsetWidth !== 0 )
{
oSettings.nTable.style.width = oSettings.nTable.offsetWidth+"px";
}
}
}
/*
* Function: _fnReDraw
* Purpose: Redraw the table - taking account of the various features which are enabled
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnReDraw( oSettings )
{
if ( oSettings.oFeatures.bSort )
{
/* Sorting will refilter and draw for us */
_fnSort( oSettings, oSettings.oPreviousSearch );
}
else if ( oSettings.oFeatures.bFilter )
{
/* Filtering will redraw for us */
_fnFilterComplete( oSettings, oSettings.oPreviousSearch );
}
else
{
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
}
/*
* Function: _fnAjaxUpdate
* Purpose: Update the table using an Ajax call
* Returns: bool: block the table drawing or not
* Inputs: object:oSettings - dataTables settings object
*/
function _fnAjaxUpdate( oSettings )
{
if ( oSettings.bAjaxDataGet )
{
_fnProcessingDisplay( oSettings, true );
var iColumns = oSettings.aoColumns.length;
var aoData = [];
var i;
/* Paging and general */
oSettings.iServerDraw++;
aoData.push( { "name": "sEcho", "value": oSettings.iServerDraw } );
aoData.push( { "name": "iColumns", "value": iColumns } );
aoData.push( { "name": "sColumns", "value": _fnColumnOrdering(oSettings) } );
aoData.push( { "name": "iDisplayStart", "value": oSettings._iDisplayStart } );
aoData.push( { "name": "iDisplayLength", "value": oSettings.oFeatures.bPaginate !== false ?
oSettings._iDisplayLength : -1 } );
/* Filtering */
if ( oSettings.oFeatures.bFilter !== false )
{
aoData.push( { "name": "sSearch", "value": oSettings.oPreviousSearch.sSearch } );
aoData.push( { "name": "bEscapeRegex", "value": oSettings.oPreviousSearch.bEscapeRegex } );
for ( i=0 ; i<iColumns ; i++ )
{
aoData.push( { "name": "sSearch_"+i, "value": oSettings.aoPreSearchCols[i].sSearch } );
aoData.push( { "name": "bEscapeRegex_"+i, "value": oSettings.aoPreSearchCols[i].bEscapeRegex } );
aoData.push( { "name": "bSearchable_"+i, "value": oSettings.aoColumns[i].bSearchable } );
}
}
/* Sorting */
if ( oSettings.oFeatures.bSort !== false )
{
var iFixed = oSettings.aaSortingFixed !== null ? oSettings.aaSortingFixed.length : 0;
var iUser = oSettings.aaSorting.length;
aoData.push( { "name": "iSortingCols", "value": iFixed+iUser } );
for ( i=0 ; i<iFixed ; i++ )
{
aoData.push( { "name": "iSortCol_"+i, "value": oSettings.aaSortingFixed[i][0] } );
aoData.push( { "name": "sSortDir_"+i, "value": oSettings.aaSortingFixed[i][1] } );
}
for ( i=0 ; i<iUser ; i++ )
{
aoData.push( { "name": "iSortCol_"+(i+iFixed), "value": oSettings.aaSorting[i][0] } );
aoData.push( { "name": "sSortDir_"+(i+iFixed), "value": oSettings.aaSorting[i][1] } );
}
for ( i=0 ; i<iColumns ; i++ )
{
aoData.push( { "name": "bSortable_"+i, "value": oSettings.aoColumns[i].bSortable } );
}
}
oSettings.fnServerData( oSettings.sAjaxSource, aoData, function(json) {
_fnAjaxUpdateDraw( oSettings, json );
} );
return false;
}
else
{
return true;
}
}
/*
* Function: _fnAjaxUpdateDraw
* Purpose: Data the data from the server (nuking the old) and redraw the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* object:json - json data return from the server.
* The following must be defined:
* iTotalRecords, iTotalDisplayRecords, aaData
* The following may be defined:
* sColumns
*/
function _fnAjaxUpdateDraw ( oSettings, json )
{
if ( typeof json.sEcho != 'undefined' )
{
/* Protect against old returns over-writing a new one. Possible when you get
* very fast interaction, and later queires are completed much faster
*/
if ( json.sEcho*1 < oSettings.iServerDraw )
{
return;
}
else
{
oSettings.iServerDraw = json.sEcho * 1;
}
}
_fnClearTable( oSettings );
oSettings._iRecordsTotal = json.iTotalRecords;
oSettings._iRecordsDisplay = json.iTotalDisplayRecords;
/* Determine if reordering is required */
var sOrdering = _fnColumnOrdering(oSettings);
var bReOrder = (typeof json.sColumns != 'undefined' && sOrdering !== "" && json.sColumns != sOrdering );
if ( bReOrder )
{
var aiIndex = _fnReOrderIndex( oSettings, json.sColumns );
}
for ( var i=0, iLen=json.aaData.length ; i<iLen ; i++ )
{
if ( bReOrder )
{
/* If we need to re-order, then create a new array with the correct order and add it */
var aData = [];
for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
{
aData.push( json.aaData[i][ aiIndex[j] ] );
}
_fnAddData( oSettings, aData );
}
else
{
/* No re-order required, sever got it "right" - just straight add */
_fnAddData( oSettings, json.aaData[i] );
}
}
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
oSettings.bAjaxDataGet = false;
_fnDraw( oSettings );
oSettings.bAjaxDataGet = true;
_fnProcessingDisplay( oSettings, false );
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Options (features) HTML
*/
/*
* Function: _fnAddOptionsHtml
* Purpose: Add the options to the page HTML for the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnAddOptionsHtml ( oSettings )
{
/*
* Create a temporary, empty, div which we can later on replace with what we have generated
* we do it this way to rendering the 'options' html offline - speed :-)
*/
var nHolding = document.createElement( 'div' );
oSettings.nTable.parentNode.insertBefore( nHolding, oSettings.nTable );
/* 
* All DataTables are wrapped in a div - this is not currently optional - backwards 
* compatability. It can be removed if you don't want it.
*/
var nWrapper = document.createElement( 'div' );
nWrapper.className = oSettings.oClasses.sWrapper;
if ( oSettings.sTableId !== '' )
{
nWrapper.setAttribute( 'id', oSettings.sTableId+'_wrapper' );
}
/* Track where we want to insert the option */
var nInsertNode = nWrapper;
/* Substitute any constants in the dom string */
var sDom = oSettings.sDom.replace( "H", "fg-toolbar ui-widget-header ui-corner-tl ui-corner-tr ui-helper-clearfix" );
sDom = sDom.replace( "F", "fg-toolbar ui-widget-header ui-corner-bl ui-corner-br ui-helper-clearfix" );
/* Loop over the user set positioning and place the elements as needed */
var aDom = sDom.split('');
var nTmp, iPushFeature, cOption, nNewNode, cNext, sClass, j;
for ( var i=0 ; i<aDom.length ; i++ )
{
iPushFeature = 0;
cOption = aDom[i];
if ( cOption == '<' )
{
/* New container div */
nNewNode = document.createElement( 'div' );
/* Check to see if we should append a class name to the container */
cNext = aDom[i+1];
if ( cNext == "'" || cNext == '"' )
{
sClass = "";
j = 2;
while ( aDom[i+j] != cNext )
{
sClass += aDom[i+j];
j++;
}
nNewNode.className = sClass;
i += j; /* Move along the position array */
}
nInsertNode.appendChild( nNewNode );
nInsertNode = nNewNode;
}
else if ( cOption == '>' )
{
/* End container div */
nInsertNode = nInsertNode.parentNode;
}
else if ( cOption == 'l' && oSettings.oFeatures.bPaginate && oSettings.oFeatures.bLengthChange )
{
/* Length */
nTmp = _fnFeatureHtmlLength( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'f' && oSettings.oFeatures.bFilter )
{
/* Filter */
nTmp = _fnFeatureHtmlFilter( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'r' && oSettings.oFeatures.bProcessing )
{
/* pRocessing */
nTmp = _fnFeatureHtmlProcessing( oSettings );
iPushFeature = 1;
}
else if ( cOption == 't' )
{
/* Table */
nTmp = oSettings.nTable;
iPushFeature = 1;
}
else if ( cOption == 'i' && oSettings.oFeatures.bInfo )
{
/* Info */
nTmp = _fnFeatureHtmlInfo( oSettings );
iPushFeature = 1;
}
else if ( cOption == 'p' && oSettings.oFeatures.bPaginate )
{
/* Pagination */
nTmp = _fnFeatureHtmlPaginate( oSettings );
iPushFeature = 1;
}
else if ( _oExt.aoFeatures.length !== 0 )
{
/* Plug-in features */
var aoFeatures = _oExt.aoFeatures;
for ( var k=0, kLen=aoFeatures.length ; k<kLen ; k++ )
{
if ( cOption == aoFeatures[k].cFeature )
{
nTmp = aoFeatures[k].fnInit( oSettings );
if ( nTmp )
{
iPushFeature = 1;
}
break;
}
}
}
/* Add to the 2D features array */
if ( iPushFeature == 1 )
{
if ( typeof oSettings.aanFeatures[cOption] != 'object' )
{
oSettings.aanFeatures[cOption] = [];
}
oSettings.aanFeatures[cOption].push( nTmp );
nInsertNode.appendChild( nTmp );
}
}
/* Built our DOM structure - replace the holding div with what we want */
nHolding.parentNode.replaceChild( nWrapper, nHolding );
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Feature: Filtering
*/
/*
* Function: _fnFeatureHtmlFilter
* Purpose: Generate the node required for filtering text
* Returns: node
* Inputs: object:oSettings - dataTables settings object
*/
function _fnFeatureHtmlFilter ( oSettings )
{
var nFilter = document.createElement( 'div' );
if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.f == "undefined" )
{
nFilter.setAttribute( 'id', oSettings.sTableId+'_filter' );
}
nFilter.className = oSettings.oClasses.sFilter;
var sSpace = oSettings.oLanguage.sSearch==="" ? "" : " ";
nFilter.innerHTML = oSettings.oLanguage.sSearch+sSpace+'<input type="text" />';
var jqFilter = $("input", nFilter);
jqFilter.val( oSettings.oPreviousSearch.sSearch.replace('"','&quot;') );
jqFilter.keyup( function(e) {
/* Update all other filter input elements for the new display */
var n = oSettings.aanFeatures.f;
for ( var i=0, iLen=n.length ; i<iLen ; i++ )
{
if ( n[i] != this.parentNode )
{
$('input', n[i]).val( this.value );
}
}
/* Now do the filter */
_fnFilterComplete( oSettings, { 
"sSearch": this.value, 
"bEscapeRegex": oSettings.oPreviousSearch.bEscapeRegex 
} );
} );
jqFilter.keypress( function(e) {
/* Prevent default */
if ( e.keyCode == 13 )
{
return false;
}
} );
return nFilter;
}
/*
* Function: _fnFilterComplete
* Purpose: Filter the table using both the global filter and column based filtering
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* object:oSearch: search information
* int:iForce - optional - force a research of the master array (1) or not (undefined or 0)
*/
function _fnFilterComplete ( oSettings, oInput, iForce )
{
/* Filter on everything */
_fnFilter( oSettings, oInput.sSearch, iForce, oInput.bEscapeRegex );
/* Now do the individual column filter */
for ( var i=0 ; i<oSettings.aoPreSearchCols.length ; i++ )
{
_fnFilterColumn( oSettings, oSettings.aoPreSearchCols[i].sSearch, i, 
oSettings.aoPreSearchCols[i].bEscapeRegex );
}
/* Custom filtering */
if ( _oExt.afnFiltering.length !== 0 )
{
_fnFilterCustom( oSettings );
}
/* Tell the draw function we have been filtering */
oSettings.bFiltered = true;
/* Redraw the table */
oSettings._iDisplayStart = 0;
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
/* Rebuild search array 'offline' */
_fnBuildSearchArray( oSettings, 0 );
}
/*
* Function: _fnFilterCustom
* Purpose: Apply custom filtering functions
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnFilterCustom( oSettings )
{
var afnFilters = _oExt.afnFiltering;
for ( var i=0, iLen=afnFilters.length ; i<iLen ; i++ )
{
var iCorrector = 0;
for ( var j=0, jLen=oSettings.aiDisplay.length ; j<jLen ; j++ )
{
var iDisIndex = oSettings.aiDisplay[j-iCorrector];
/* Check if we should use this row based on the filtering function */
if ( !afnFilters[i]( oSettings, oSettings.aoData[iDisIndex]._aData, iDisIndex ) )
{
oSettings.aiDisplay.splice( j-iCorrector, 1 );
iCorrector++;
}
}
}
}
/*
* Function: _fnFilterColumn
* Purpose: Filter the table on a per-column basis
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* string:sInput - string to filter on
* int:iColumn - column to filter
* bool:bEscapeRegex - escape regex or not
*/
function _fnFilterColumn ( oSettings, sInput, iColumn, bEscapeRegex )
{
if ( sInput === "" )
{
return;
}
var iIndexCorrector = 0;
var sRegexMatch = bEscapeRegex ? _fnEscapeRegex( sInput ) : sInput;
var rpSearch = new RegExp( sRegexMatch, "i" );
for ( var i=oSettings.aiDisplay.length-1 ; i>=0 ; i-- )
{
var sData = _fnDataToSearch( oSettings.aoData[ oSettings.aiDisplay[i] ]._aData[iColumn],
oSettings.aoColumns[iColumn].sType );
if ( ! rpSearch.test( sData ) )
{
oSettings.aiDisplay.splice( i, 1 );
iIndexCorrector++;
}
}
}
/*
* Function: _fnFilter
* Purpose: Filter the data table based on user input and draw the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* string:sInput - string to filter on
* int:iForce - optional - force a research of the master array (1) or not (undefined or 0)
* bool:bEscapeRegex - escape regex or not
*/
function _fnFilter( oSettings, sInput, iForce, bEscapeRegex )
{
var i;
/* Check if we are forcing or not - optional parameter */
if ( typeof iForce == 'undefined' || iForce === null )
{
iForce = 0;
}
/* Need to take account of custom filtering functions always */
if ( _oExt.afnFiltering.length !== 0 )
{
iForce = 1;
}
/* Generate the regular expression to use. Something along the lines of:
* ^(?=.*?\bone\b)(?=.*?\btwo\b)(?=.*?\bthree\b).*$
*/
var asSearch = bEscapeRegex ?
_fnEscapeRegex( sInput ).split( ' ' ) :
sInput.split( ' ' );
var sRegExpString = '^(?=.*?'+asSearch.join( ')(?=.*?' )+').*$';
var rpSearch = new RegExp( sRegExpString, "i" ); /* case insensitive */
/*
* If the input is blank - we want the full data set
*/
if ( sInput.length <= 0 )
{
oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length);
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
}
else
{
/*
* We are starting a new search or the new search string is smaller 
* then the old one (i.e. delete). Search from the master array
*/
if ( oSettings.aiDisplay.length == oSettings.aiDisplayMaster.length ||
oSettings.oPreviousSearch.sSearch.length > sInput.length || iForce == 1 ||
sInput.indexOf(oSettings.oPreviousSearch.sSearch) !== 0 )
{
/* Nuke the old display array - we are going to rebuild it */
oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length);
/* Force a rebuild of the search array */
_fnBuildSearchArray( oSettings, 1 );
/* Search through all records to populate the search array
* The the oSettings.aiDisplayMaster and asDataSearch arrays have 1 to 1 
* mapping
*/
for ( i=0 ; i<oSettings.aiDisplayMaster.length ; i++ )
{
if ( rpSearch.test(oSettings.asDataSearch[i]) )
{
oSettings.aiDisplay.push( oSettings.aiDisplayMaster[i] );
}
}
}
else
{
/* Using old search array - refine it - do it this way for speed
* Don't have to search the whole master array again
*/
var iIndexCorrector = 0;
/* Search the current results */
for ( i=0 ; i<oSettings.asDataSearch.length ; i++ )
{
if ( ! rpSearch.test(oSettings.asDataSearch[i]) )
{
oSettings.aiDisplay.splice( i-iIndexCorrector, 1 );
iIndexCorrector++;
}
}
}
}
oSettings.oPreviousSearch.sSearch = sInput;
oSettings.oPreviousSearch.bEscapeRegex = bEscapeRegex;
}
/*
* Function: _fnBuildSearchArray
* Purpose: Create an array which can be quickly search through
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* int:iMaster - use the master data array - optional
*/
function _fnBuildSearchArray ( oSettings, iMaster )
{
/* Clear out the old data */
oSettings.asDataSearch.splice( 0, oSettings.asDataSearch.length );
var aArray = (typeof iMaster != 'undefined' && iMaster == 1) ?
oSettings.aiDisplayMaster : oSettings.aiDisplay;
for ( var i=0, iLen=aArray.length ; i<iLen ; i++ )
{
oSettings.asDataSearch[i] = '';
for ( var j=0, jLen=oSettings.aoColumns.length ; j<jLen ; j++ )
{
if ( oSettings.aoColumns[j].bSearchable )
{
var sData = oSettings.aoData[ aArray[i] ]._aData[j];
oSettings.asDataSearch[i] += _fnDataToSearch( sData, oSettings.aoColumns[j].sType )+' ';
}
}
}
}
/*
* Function: _fnDataToSearch
* Purpose: Convert raw data into something that the user can search on
* Returns: string: - search string
* Inputs: string:sData - data to be modified
* string:sType - data type
*/
function _fnDataToSearch ( sData, sType )
{
if ( typeof _oExt.ofnSearch[sType] == "function" )
{
return _oExt.ofnSearch[sType]( sData );
}
else if ( sType == "html" )
{
return sData.replace(/\n/g," ").replace( /<.*?>/g, "" );
}
else if ( typeof sData == "string" )
{
return sData.replace(/\n/g," ");
}
return sData;
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Feature: Sorting
*/
/*
* Function: _fnSort
* Purpose: Change the order of the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* bool:bApplyClasses - optional - should we apply classes or not
* Notes: We always sort the master array and then apply a filter again
* if it is needed. This probably isn't optimal - but atm I can't think
* of any other way which is (each has disadvantages). we want to sort aiDisplayMaster - 
* but according to aoData[]._aData
*/
function _fnSort ( oSettings, bApplyClasses )
{
var aaSort = [];
var oSort = _oExt.oSort;
var aoData = oSettings.aoData;
var iDataSort;
var iDataType;
var i, j, jLen;
/* No sorting required if server-side or no sorting array */
if ( !oSettings.oFeatures.bServerSide && 
(oSettings.aaSorting.length !== 0 || oSettings.aaSortingFixed !== null) )
{
if ( oSettings.aaSortingFixed !== null )
{
aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting );
}
else
{
aaSort = oSettings.aaSorting.slice();
}
/* If there is a sorting data type, and a fuction belonging to it, then we need to
* get the data from the developer's function and apply it for this column
*/
for ( i=0 ; i<aaSort.length ; i++ )
{
var iColumn = aaSort[i][0];
var sDataType = oSettings.aoColumns[ iColumn ].sSortDataType;
if ( typeof _oExt.afnSortData[sDataType] != 'undefined' )
{
var iCorrector = 0;
var aData = _oExt.afnSortData[sDataType]( oSettings, iColumn );
for ( j=0, jLen=aoData.length ; j<jLen ; j++ )
{
if ( aoData[j] !== null )
{
aoData[j]._aData[iColumn] = aData[iCorrector];
iCorrector++;
}
}
}
}
/* DataTables offers two different methods for doing the 2D array sorting over multiple
* columns. The first is to construct a function dynamically, and then evaluate and run
* the function, while the second has no need for evalulation, but is a little bit slower.
* This is used for environments which do not allow eval() for code execuation such as AIR
*/
if ( !window.runtime )
{
/* Dynamically created sorting function. Based on the information that we have, we can
* create a sorting function as if it were specifically written for this sort. Here we
* want to build a function something like (for two column sorting):
* fnLocalSorting = function(a,b){
* var iTest;
* iTest = oSort['string-asc']('data11', 'data12');
* if (iTest === 0)
* iTest = oSort['numeric-desc']('data21', 'data22');
* if (iTest === 0)
* return oSort['numeric-desc'](1,2);
* return iTest;
* }
* So basically we have a test for each column, and if that column matches, test the
* next one. If all columns match, then we use a numeric sort on the position the two
* row have in the original data array in order to provide a stable sort.
*/
var fnLocalSorting;
var sDynamicSort = "fnLocalSorting = function(a,b){"+
"var iTest;";
for ( i=0 ; i<aaSort.length-1 ; i++ )
{
iDataSort = oSettings.aoColumns[ aaSort[i][0] ].iDataSort;
iDataType = oSettings.aoColumns[ iDataSort ].sType;
sDynamicSort += "iTest = oSort['"+iDataType+"-"+aaSort[i][1]+"']"+
"( aoData[a]._aData["+iDataSort+"], aoData[b]._aData["+iDataSort+"] ); if ( iTest === 0 )";
}
iDataSort = oSettings.aoColumns[ aaSort[aaSort.length-1][0] ].iDataSort;
iDataType = oSettings.aoColumns[ iDataSort ].sType;
sDynamicSort += "iTest = oSort['"+iDataType+"-"+aaSort[aaSort.length-1][1]+"']"+
"( aoData[a]._aData["+iDataSort+"], aoData[b]._aData["+iDataSort+"] );"+
"if (iTest===0) return oSort['numeric-"+aaSort[aaSort.length-1][1]+"'](a, b); "+
"return iTest;}";
/* The eval has to be done to a variable for IE */
eval( sDynamicSort );
oSettings.aiDisplayMaster.sort( fnLocalSorting );
}
else
{
/*
* Non-eval() sorting (AIR and other environments which doesn't allow code in eval()
* Note that for reasonable sized data sets this method is around 1.5 times slower than
* the eval above (hence why it is not used all the time). Oddly enough, it is ever so
* slightly faster for very small sets (presumably the eval has overhead).
* Single column (1083 records) - eval: 32mS AIR: 38mS
* Two columns (1083 records) - eval: 55mS AIR: 66mS
*/
/* Build a cached array so the sort doesn't have to process this stuff on every call */
var aAirSort = [];
var iLen = aaSort.length;
for ( i=0 ; i<iLen ; i++ )
{
iDataSort = oSettings.aoColumns[ aaSort[i][0] ].iDataSort;
aAirSort.push( [
iDataSort,
oSettings.aoColumns[ iDataSort ].sType+'-'+aaSort[i][1]
] );
}
oSettings.aiDisplayMaster.sort( function (a,b) {
var iTest;
for ( var i=0 ; i<iLen ; i++ )
{
iTest = oSort[ aAirSort[i][1] ]( aoData[a]._aData[aAirSort[i][0]], aoData[b]._aData[aAirSort[i][0]] );
if ( iTest !== 0 )
{
return iTest;
}
}
return 0;
} );
}
}
/* Alter the sorting classes to take account of the changes */
if ( typeof bApplyClasses == 'undefined' || bApplyClasses )
{
_fnSortingClasses( oSettings );
}
/* Tell the draw function that we have sorted the data */
oSettings.bSorted = true;
/* Copy the master data into the draw array and re-draw */
if ( oSettings.oFeatures.bFilter )
{
/* _fnFilter() will redraw the table for us */
_fnFilterComplete( oSettings, oSettings.oPreviousSearch, 1 );
}
else
{
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
oSettings._iDisplayStart = 0; /* reset display back to page 0 */
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
}
/*
* Function: _fnSortAttachListener
* Purpose: Attach a sort handler (click) to a node
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* node:nNode - node to attach the handler to
* int:iDataIndex - column sorting index
* function:fnCallback - callback function - optional
*/
function _fnSortAttachListener ( oSettings, nNode, iDataIndex, fnCallback )
{
$(nNode).click( function (e) {
/* If the column is not sortable - don't to anything */
if ( oSettings.aoColumns[iDataIndex].bSortable === false )
{
return;
}
/*
* This is a little bit odd I admit... I declare a temporary function inside the scope of
* _fnDrawHead and the click handler in order that the code presented here can be used 
* twice - once for when bProcessing is enabled, and another time for when it is 
* disabled, as we need to perform slightly different actions.
* Basically the issue here is that the Javascript engine in modern browsers don't 
* appear to allow the rendering engine to update the display while it is still excuting
* it's thread (well - it does but only after long intervals). This means that the 
* 'processing' display doesn't appear for a table sort. To break the js thread up a bit
* I force an execution break by using setTimeout - but this breaks the expected 
* thread continuation for the end-developer's point of view (their code would execute
* too early), so we on;y do it when we absolutely have to.
*/
var fnInnerSorting = function () {
var iColumn, iNextSort;
/* If the shift key is pressed then we are multipe column sorting */
if ( e.shiftKey )
{
/* Are we already doing some kind of sort on this column? */
var bFound = false;
for ( var i=0 ; i<oSettings.aaSorting.length ; i++ )
{
if ( oSettings.aaSorting[i][0] == iDataIndex )
{
bFound = true;
iColumn = oSettings.aaSorting[i][0];
iNextSort = oSettings.aaSorting[i][2]+1;
if ( typeof oSettings.aoColumns[iColumn].asSorting[iNextSort] == 'undefined' )
{
/* Reached the end of the sorting options, remove from multi-col sort */
oSettings.aaSorting.splice( i, 1 );
}
else
{
/* Move onto next sorting direction */
oSettings.aaSorting[i][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort];
oSettings.aaSorting[i][2] = iNextSort;
}
break;
}
}
/* No sort yet - add it in */
if ( bFound === false )
{
oSettings.aaSorting.push( [ iDataIndex, 
oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] );
}
}
else
{
/* If no shift key then single column sort */
if ( oSettings.aaSorting.length == 1 && oSettings.aaSorting[0][0] == iDataIndex )
{
iColumn = oSettings.aaSorting[0][0];
iNextSort = oSettings.aaSorting[0][2]+1;
if ( typeof oSettings.aoColumns[iColumn].asSorting[iNextSort] == 'undefined' )
{
iNextSort = 0;
}
oSettings.aaSorting[0][1] = oSettings.aoColumns[iColumn].asSorting[iNextSort];
oSettings.aaSorting[0][2] = iNextSort;
}
else
{
oSettings.aaSorting.splice( 0, oSettings.aaSorting.length );
oSettings.aaSorting.push( [ iDataIndex, 
oSettings.aoColumns[iDataIndex].asSorting[0], 0 ] );
}
}
/* Run the sort */
_fnSort( oSettings );
}; /* /fnInnerSorting */
if ( !oSettings.oFeatures.bProcessing )
{
fnInnerSorting();
}
else
{
_fnProcessingDisplay( oSettings, true );
setTimeout( function() {
fnInnerSorting();
if ( !oSettings.oFeatures.bServerSide )
{
_fnProcessingDisplay( oSettings, false );
}
}, 0 );
}
/* Call the user specified callback function - used for async user interaction */
if ( typeof fnCallback == 'function' )
{
fnCallback( oSettings );
}
} );
}
/*
* Function: _fnSortingClasses
* Purpose: Set the sortting classes on the header
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* Notes: It is safe to call this function when bSort is false
*/
function _fnSortingClasses( oSettings )
{
var i, iLen, j, jLen, iFound;
var aaSort, sClass;
var iColumns = oSettings.aoColumns.length;
var oClasses = oSettings.oClasses;
for ( i=0 ; i<iColumns ; i++ )
{
if ( oSettings.aoColumns[i].bSortable )
{
$(oSettings.aoColumns[i].nTh).removeClass( oClasses.sSortAsc +" "+ oClasses.sSortDesc +
" "+ oSettings.aoColumns[i].sSortingClass );
}
}
if ( oSettings.aaSortingFixed !== null )
{
aaSort = oSettings.aaSortingFixed.concat( oSettings.aaSorting );
}
else
{
aaSort = oSettings.aaSorting.slice();
}
/* Apply the required classes to the header */
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bSortable )
{
sClass = oSettings.aoColumns[i].sSortingClass;
iFound = -1;
for ( j=0 ; j<aaSort.length ; j++ )
{
if ( aaSort[j][0] == i )
{
sClass = ( aaSort[j][1] == "asc" ) ?
oClasses.sSortAsc : oClasses.sSortDesc;
iFound = j;
break;
}
}
$(oSettings.aoColumns[i].nTh).addClass( sClass );
if ( oSettings.bJUI )
{
/* jQuery UI uses extra markup */
var jqSpan = $("span", oSettings.aoColumns[i].nTh);
jqSpan.removeClass(oClasses.sSortJUIAsc +" "+ oClasses.sSortJUIDesc +" "+ 
oClasses.sSortJUI +" "+ oClasses.sSortJUIAscAllowed +" "+ oClasses.sSortJUIDescAllowed );
var sSpanClass;
if ( iFound == -1 )
{
sSpanClass = oSettings.aoColumns[i].sSortingClassJUI;
}
else if ( aaSort[iFound][1] == "asc" )
{
sSpanClass = oClasses.sSortJUIAsc;
}
else
{
sSpanClass = oClasses.sSortJUIDesc;
}
jqSpan.addClass( sSpanClass );
}
}
else
{
/* No sorting on this column, so add the base class. This will have been assigned by
* _fnAddColumn
*/
$(oSettings.aoColumns[i].nTh).addClass( oSettings.aoColumns[i].sSortingClass );
}
}
/* 
* Apply the required classes to the table body
* Note that this is given as a feature switch since it can significantly slow down a sort
* on large data sets (adding and removing of classes is always slow at the best of times..)
* Further to this, note that this code is admitadly fairly ugly. It could be made a lot 
* simpiler using jQuery selectors and add/removeClass, but that is significantly slower
* (on the order of 5 times slower) - hence the direct DOM manipulation here.
*/
sClass = oClasses.sSortColumn;
if ( oSettings.oFeatures.bSort && oSettings.oFeatures.bSortClasses )
{
var nTds = _fnGetTdNodes( oSettings );
/* Remove the old classes */
if ( nTds.length >= iColumns )
{
for ( i=0 ; i<iColumns ; i++ )
{
if ( nTds[i].className.indexOf(sClass+"1") != -1 )
{
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+i].className = 
nTds[(iColumns*j)+i].className.replace( " "+sClass+"1", "" );
}
}
else if ( nTds[i].className.indexOf(sClass+"2") != -1 )
{
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+i].className = 
nTds[(iColumns*j)+i].className.replace( " "+sClass+"2", "" );
}
}
else if ( nTds[i].className.indexOf(sClass+"3") != -1 )
{
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+i].className = 
nTds[(iColumns*j)+i].className.replace( " "+sClass+"3", "" );
}
}
}
}
/* Add the new classes to the table */
var iClass = 1, iTargetCol;
for ( i=0 ; i<aaSort.length ; i++ )
{
iTargetCol = parseInt( aaSort[i][0], 10 );
for ( j=0, jLen=(nTds.length/iColumns) ; j<jLen ; j++ )
{
nTds[(iColumns*j)+iTargetCol].className += " "+sClass+iClass;
}
if ( iClass < 3 )
{
iClass++;
}
}
}
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Feature: Pagination. Note that most of the paging logic is done in 
* _oExt.oPagination
*/
/*
* Function: _fnFeatureHtmlPaginate
* Purpose: Generate the node required for default pagination
* Returns: node
* Inputs: object:oSettings - dataTables settings object
*/
function _fnFeatureHtmlPaginate ( oSettings )
{
var nPaginate = document.createElement( 'div' );
nPaginate.className = oSettings.oClasses.sPaging+oSettings.sPaginationType;
_oExt.oPagination[ oSettings.sPaginationType ].fnInit( oSettings, nPaginate, 
function( oSettings ) {
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
}
);
/* Add a draw callback for the pagination on first instance, to update the paging display */
if ( typeof oSettings.aanFeatures.p == "undefined" )
{
oSettings.aoDrawCallback.push( {
"fn": function( oSettings ) {
_oExt.oPagination[ oSettings.sPaginationType ].fnUpdate( oSettings, function( oSettings ) {
_fnCalculateEnd( oSettings );
_fnDraw( oSettings );
} );
},
"sName": "pagination"
} );
}
return nPaginate;
}
/*
* Function: _fnPageChange
* Purpose: Alter the display settings to change the page
* Returns: bool:true - page has changed, false - no change (no effect) eg 'first' on page 1
* Inputs: object:oSettings - dataTables settings object
* string:sAction - paging action to take: "first", "previous", "next" or "last"
*/
function _fnPageChange ( oSettings, sAction )
{
var iOldStart = oSettings._iDisplayStart;
if ( sAction == "first" )
{
oSettings._iDisplayStart = 0;
}
else if ( sAction == "previous" )
{
oSettings._iDisplayStart = oSettings._iDisplayLength>=0 ?
oSettings._iDisplayStart - oSettings._iDisplayLength :
0;
/* Correct for underrun */
if ( oSettings._iDisplayStart < 0 )
{
oSettings._iDisplayStart = 0;
}
}
else if ( sAction == "next" )
{
if ( oSettings._iDisplayLength >= 0 )
{
/* Make sure we are not over running the display array */
if ( oSettings._iDisplayStart + oSettings._iDisplayLength < oSettings.fnRecordsDisplay() )
{
oSettings._iDisplayStart += oSettings._iDisplayLength;
}
}
else
{
oSettings._iDisplayStart = 0;
}
}
else if ( sAction == "last" )
{
if ( oSettings._iDisplayLength >= 0 )
{
var iPages = parseInt( (oSettings.fnRecordsDisplay()-1) / oSettings._iDisplayLength, 10 ) + 1;
oSettings._iDisplayStart = (iPages-1) * oSettings._iDisplayLength;
}
else
{
oSettings._iDisplayStart = 0;
}
}
else
{
alert( "DataTables warning: unknown paging action: "+sAction );
}
return iOldStart != oSettings._iDisplayStart;
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Feature: HTML info
*/
/*
* Function: _fnFeatureHtmlInfo
* Purpose: Generate the node required for the info display
* Returns: node
* Inputs: object:oSettings - dataTables settings object
*/
function _fnFeatureHtmlInfo ( oSettings )
{
var nInfo = document.createElement( 'div' );
nInfo.className = oSettings.oClasses.sInfo;
/* Actions that are to be taken once only for this feature */
if ( typeof oSettings.aanFeatures.i == "undefined" )
{
/* Add draw callback */
oSettings.aoDrawCallback.push( {
"fn": _fnUpdateInfo,
"sName": "information"
} );
/* Add id */
if ( oSettings.sTableId !== '' )
{
nInfo.setAttribute( 'id', oSettings.sTableId+'_info' );
}
}
return nInfo;
}
/*
* Function: _fnUpdateInfo
* Purpose: Update the information elements in the display
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnUpdateInfo ( oSettings )
{
/* Show information about the table */
if ( !oSettings.oFeatures.bInfo || oSettings.aanFeatures.i.length === 0 )
{
return;
}
var nFirst = oSettings.aanFeatures.i[0];
if ( oSettings.fnRecordsDisplay() === 0 && 
oSettings.fnRecordsDisplay() == oSettings.fnRecordsTotal() )
{
/* Empty record set */
nFirst.innerHTML = oSettings.oLanguage.sInfoEmpty+ oSettings.oLanguage.sInfoPostFix;
}
else if ( oSettings.fnRecordsDisplay() === 0 )
{
/* Rmpty record set after filtering */
nFirst.innerHTML = oSettings.oLanguage.sInfoEmpty +' '+ 
oSettings.oLanguage.sInfoFiltered.replace('_MAX_', 
oSettings.fnRecordsTotal())+ oSettings.oLanguage.sInfoPostFix;
}
else if ( oSettings.fnRecordsDisplay() == oSettings.fnRecordsTotal() )
{
/* Normal record set */
nFirst.innerHTML = oSettings.oLanguage.sInfo.
replace('_START_',oSettings._iDisplayStart+1).
replace('_END_',oSettings.fnDisplayEnd()).
replace('_TOTAL_',oSettings.fnRecordsDisplay())+ 
oSettings.oLanguage.sInfoPostFix;
}
else
{
/* Record set after filtering */
nFirst.innerHTML = 
oSettings.oLanguage.sInfo.
replace('_START_',oSettings._iDisplayStart+1).
replace('_END_',oSettings.fnDisplayEnd()).
replace('_TOTAL_',oSettings.fnRecordsDisplay()) +' '+ 
oSettings.oLanguage.sInfoFiltered.replace('_MAX_', oSettings.fnRecordsTotal())+ 
oSettings.oLanguage.sInfoPostFix;
}
/* No point in recalculating for the other info elements, just copy the first one in */
var n = oSettings.aanFeatures.i;
if ( n.length > 1 )
{
var sInfo = nFirst.innerHTML;
for ( var i=1, iLen=n.length ; i<iLen ; i++ )
{
n[i].innerHTML = sInfo;
}
}
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Feature: Length change
*/
/*
* Function: _fnFeatureHtmlLength
* Purpose: Generate the node required for user display length changing
* Returns: node
* Inputs: object:oSettings - dataTables settings object
*/
function _fnFeatureHtmlLength ( oSettings )
{
/* This can be overruled by not using the _MENU_ var/macro in the language variable */
var sName = (oSettings.sTableId === "") ? "" : 'name="'+oSettings.sTableId+'_length"';
var sStdMenu = 
'<select size="1" '+sName+'>'+
'<option value="10">10</option>'+
'<option value="25">25</option>'+
'<option value="50">50</option>'+
'<option value="100">100</option>'+
'</select>';
var nLength = document.createElement( 'div' );
if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.l == "undefined" )
{
nLength.setAttribute( 'id', oSettings.sTableId+'_length' );
}
nLength.className = oSettings.oClasses.sLength;
nLength.innerHTML = oSettings.oLanguage.sLengthMenu.replace( '_MENU_', sStdMenu );
/*
* Set the length to the current display length - thanks to Andrea Pavlovic for this fix,
* and Stefan Skopnik for fixing the fix!
*/
$('select option[value="'+oSettings._iDisplayLength+'"]',nLength).attr("selected",true);
$('select', nLength).change( function(e) {
var iVal = $(this).val();
/* Update all other length options for the new display */
var n = oSettings.aanFeatures.l;
for ( var i=0, iLen=n.length ; i<iLen ; i++ )
{
if ( n[i] != this.parentNode )
{
$('select', n[i]).val( iVal );
}
}
/* Redraw the table */
oSettings._iDisplayLength = parseInt(iVal, 10);
_fnCalculateEnd( oSettings );
/* If we have space to show extra rows (backing up from the end point - then do so */
if ( oSettings._iDisplayEnd == oSettings.aiDisplay.length )
{
oSettings._iDisplayStart = oSettings._iDisplayEnd - oSettings._iDisplayLength;
if ( oSettings._iDisplayStart < 0 )
{
oSettings._iDisplayStart = 0;
}
}
if ( oSettings._iDisplayLength == -1 )
{
oSettings._iDisplayStart = 0;
}
_fnDraw( oSettings );
} );
return nLength;
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Feature: Processing incidator
*/
/*
* Function: _fnFeatureHtmlProcessing
* Purpose: Generate the node required for the processing node
* Returns: node
* Inputs: object:oSettings - dataTables settings object
*/
function _fnFeatureHtmlProcessing ( oSettings )
{
var nProcessing = document.createElement( 'div' );
if ( oSettings.sTableId !== '' && typeof oSettings.aanFeatures.r == "undefined" )
{
nProcessing.setAttribute( 'id', oSettings.sTableId+'_processing' );
}
nProcessing.innerHTML = oSettings.oLanguage.sProcessing;
nProcessing.className = oSettings.oClasses.sProcessing;
oSettings.nTable.parentNode.insertBefore( nProcessing, oSettings.nTable );
return nProcessing;
}
/*
* Function: _fnProcessingDisplay
* Purpose: Display or hide the processing indicator
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* bool:
* true - show the processing indicator
* false - don't show
*/
function _fnProcessingDisplay ( oSettings, bShow )
{
if ( oSettings.oFeatures.bProcessing )
{
var an = oSettings.aanFeatures.r;
for ( var i=0, iLen=an.length ; i<iLen ; i++ )
{
an[i].style.visibility = bShow ? "visible" : "hidden";
}
}
}

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Support functions
*/
/*
* Function: _fnVisibleToColumnIndex
* Purpose: Covert the index of a visible column to the index in the data array (take account
* of hidden columns)
* Returns: int:i - the data index
* Inputs: object:oSettings - dataTables settings object
*/
function _fnVisibleToColumnIndex( oSettings, iMatch )
{
var iColumn = -1;
for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bVisible === true )
{
iColumn++;
}
if ( iColumn == iMatch )
{
return i;
}
}
return null;
}
/*
* Function: _fnColumnIndexToVisible
* Purpose: Covert the index of an index in the data array and convert it to the visible
* column index (take account of hidden columns)
* Returns: int:i - the data index
* Inputs: object:oSettings - dataTables settings object
*/
function _fnColumnIndexToVisible( oSettings, iMatch )
{
var iVisible = -1;
for ( var i=0 ; i<oSettings.aoColumns.length ; i++ )
{
if ( oSettings.aoColumns[i].bVisible === true )
{
iVisible++;
}
if ( i == iMatch )
{
return oSettings.aoColumns[i].bVisible === true ? iVisible : null;
}
}
return null;
}

/*
* Function: _fnNodeToDataIndex
* Purpose: Take a TR element and convert it to an index in aoData
* Returns: int:i - index if found, null if not
* Inputs: object:s - dataTables settings object
* node:n - the TR element to find
*/
function _fnNodeToDataIndex( s, n )
{
for ( var i=0, iLen=s.aoData.length ; i<iLen ; i++ )
{
if ( s.aoData[i] !== null && s.aoData[i].nTr == n )
{
return i;
}
}
return null;
}
/*
* Function: _fnVisbleColumns
* Purpose: Get the number of visible columns
* Returns: int:i - the number of visible columns
* Inputs: object:oS - dataTables settings object
*/
function _fnVisbleColumns( oS )
{
var iVis = 0;
for ( var i=0 ; i<oS.aoColumns.length ; i++ )
{
if ( oS.aoColumns[i].bVisible === true )
{
iVis++;
}
}
return iVis;
}
/*
* Function: _fnCalculateEnd
* Purpose: Rcalculate the end point based on the start point
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnCalculateEnd( oSettings )
{
if ( oSettings.oFeatures.bPaginate === false )
{
oSettings._iDisplayEnd = oSettings.aiDisplay.length;
}
else
{
/* Set the end point of the display - based on how many elements there are
* still to display
*/
if ( oSettings._iDisplayStart + oSettings._iDisplayLength > oSettings.aiDisplay.length ||
oSettings._iDisplayLength == -1 )
{
oSettings._iDisplayEnd = oSettings.aiDisplay.length;
}
else
{
oSettings._iDisplayEnd = oSettings._iDisplayStart + oSettings._iDisplayLength;
}
}
}
/*
* Function: _fnConvertToWidth
* Purpose: Convert a CSS unit width to pixels (e.g. 2em)
* Returns: int:iWidth - width in pixels
* Inputs: string:sWidth - width to be converted
* node:nParent - parent to get the with for (required for
* relative widths) - optional
*/
function _fnConvertToWidth ( sWidth, nParent )
{
if ( !sWidth || sWidth === null || sWidth === '' )
{
return 0;
}
if ( typeof nParent == "undefined" )
{
nParent = document.getElementsByTagName('body')[0];
}
var iWidth;
var nTmp = document.createElement( "div" );
nTmp.style.width = sWidth;
nParent.appendChild( nTmp );
iWidth = nTmp.offsetWidth;
nParent.removeChild( nTmp );
return ( iWidth );
}
/*
* Function: _fnCalculateColumnWidths
* Purpose: Calculate the width of columns for the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnCalculateColumnWidths ( oSettings )
{
var iTableWidth = oSettings.nTable.offsetWidth;
var iTotalUserIpSize = 0;
var iTmpWidth;
var iVisibleColumns = 0;
var iColums = oSettings.aoColumns.length;
var i;
var oHeaders = $('thead:eq(0)>th', oSettings.nTable);
/* Convert any user input sizes into pixel sizes */
for ( i=0 ; i<iColums ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
iVisibleColumns++;
if ( oSettings.aoColumns[i].sWidth !== null )
{
iTmpWidth = _fnConvertToWidth( oSettings.aoColumns[i].sWidth, 
oSettings.nTable.parentNode );
/* Total up the user defined widths for later calculations */
iTotalUserIpSize += iTmpWidth;
oSettings.aoColumns[i].sWidth = iTmpWidth+"px";
}
}
}
/* If the number of columns in the DOM equals the number that we
* have to process in dataTables, then we can use the offsets that are
* created by the web-browser. No custom sizes can be set in order for
* this to happen
*/
if ( iColums == oHeaders.length && iTotalUserIpSize === 0 && iVisibleColumns == iColums )
{
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
oSettings.aoColumns[i].sWidth = oHeaders[i].offsetWidth+"px";
}
}
else
{
/* Otherwise we are going to have to do some calculations to get
* the width of each column. Construct a 1 row table with the maximum
* string sizes in the data, and any user defined widths
*/
var nCalcTmp = oSettings.nTable.cloneNode( false );
nCalcTmp.setAttribute( "id", '' );
var sTableTmp = '<table class="'+nCalcTmp.className+'">';
var sCalcHead = "<tr>";
var sCalcHtml = "<tr>";
/* Construct a tempory table which we will inject (invisibly) into
* the dom - to let the browser do all the hard word
*/
for ( i=0 ; i<iColums ; i++ )
{
if ( oSettings.aoColumns[i].bVisible )
{
sCalcHead += '<th>'+oSettings.aoColumns[i].sTitle+'</th>';
if ( oSettings.aoColumns[i].sWidth !== null )
{
var sWidth = '';
if ( oSettings.aoColumns[i].sWidth !== null )
{
sWidth = ' style="width:'+oSettings.aoColumns[i].sWidth+';"';
}
sCalcHtml += '<td'+sWidth+' tag_index="'+i+'">'+fnGetMaxLenString( oSettings, i)+'</td>';
}
else
{
sCalcHtml += '<td tag_index="'+i+'">'+fnGetMaxLenString( oSettings, i)+'</td>';
}
}
}
sCalcHead += "</tr>";
sCalcHtml += "</tr>";
/* Create the tmp table node (thank you jQuery) */
nCalcTmp = $( sTableTmp + sCalcHead + sCalcHtml +'</table>' )[0];
nCalcTmp.style.width = iTableWidth + "px";
nCalcTmp.style.visibility = "hidden";
nCalcTmp.style.position = "absolute"; /* Try to aviod scroll bar */
oSettings.nTable.parentNode.appendChild( nCalcTmp );
var oNodes = $("tr:eq(1)>td", nCalcTmp);
var iIndex;
/* Gather in the browser calculated widths for the rows */
for ( i=0 ; i<oNodes.length ; i++ )
{
iIndex = oNodes[i].getAttribute('tag_index');
var iContentWidth = $("td", nCalcTmp).eq(i).width();
var iSetWidth = oSettings.aoColumns[i].sWidth ? 
oSettings.aoColumns[i].sWidth.slice(0, -2) : 0;
oSettings.aoColumns[iIndex].sWidth = Math.max(iContentWidth, iSetWidth) + "px";
}
oSettings.nTable.parentNode.removeChild( nCalcTmp );
}
}
/*
* Function: fnGetMaxLenString
* Purpose: Get the maximum strlen for each data column
* Returns: string: - max strlens for each column
* Inputs: object:oSettings - dataTables settings object
* int:iCol - column of interest
*/
function fnGetMaxLenString( oSettings, iCol )
{
var iMax = 0;
var iMaxIndex = -1;
for ( var i=0 ; i<oSettings.aoData.length ; i++ )
{
if ( oSettings.aoData[i]._aData[iCol].length > iMax )
{
iMax = oSettings.aoData[i]._aData[iCol].length;
iMaxIndex = i;
}
}
if ( iMaxIndex >= 0 )
{
return oSettings.aoData[iMaxIndex]._aData[iCol];
}
return '';
}
/*
* Function: _fnArrayCmp
* Purpose: Compare two arrays
* Returns: 0 if match, 1 if length is different, 2 if no match
* Inputs: array:aArray1 - first array
* array:aArray2 - second array
*/
function _fnArrayCmp( aArray1, aArray2 )
{
if ( aArray1.length != aArray2.length )
{
return 1;
}
for ( var i=0 ; i<aArray1.length ; i++ )
{
if ( aArray1[i] != aArray2[i] )
{
return 2;
}
}
return 0;
}
/*
* Function: _fnDetectType
* Purpose: Get the sort type based on an input string
* Returns: string: - type (defaults to 'string' if no type can be detected)
* Inputs: string:sData - data we wish to know the type of
* Notes: This function makes use of the DataTables plugin objct _oExt 
* (.aTypes) such that new types can easily be added.
*/
function _fnDetectType( sData )
{
var aTypes = _oExt.aTypes;
var iLen = aTypes.length;
for ( var i=0 ; i<iLen ; i++ )
{
var sType = aTypes[i]( sData );
if ( sType !== null )
{
return sType;
}
}
return 'string';
}
/*
* Function: _fnSettingsFromNode
* Purpose: Return the settings object for a particular table
* Returns: object: Settings object - or null if not found
* Inputs: node:nTable - table we are using as a dataTable
*/
function _fnSettingsFromNode ( nTable )
{
for ( var i=0 ; i<_aoSettings.length ; i++ )
{
if ( _aoSettings[i].nTable == nTable )
{
return _aoSettings[i];
}
}
return null;
}
/*
* Function: _fnGetDataMaster
* Purpose: Return an array with the full table data
* Returns: array array:aData - Master data array
* Inputs: object:oSettings - dataTables settings object
*/
function _fnGetDataMaster ( oSettings )
{
var aData = [];
var iLen = oSettings.aoData.length;
for ( var i=0 ; i<iLen; i++ )
{
if ( oSettings.aoData[i] === null )
{
aData.push( null );
}
else
{
aData.push( oSettings.aoData[i]._aData );
}
}
return aData;
}
/*
* Function: _fnGetTrNodes
* Purpose: Return an array with the TR nodes for the table
* Returns: array: - TR array
* Inputs: object:oSettings - dataTables settings object
*/
function _fnGetTrNodes ( oSettings )
{
var aNodes = [];
var iLen = oSettings.aoData.length;
for ( var i=0 ; i<iLen ; i++ )
{
if ( oSettings.aoData[i] === null )
{
aNodes.push( null );
}
else
{
aNodes.push( oSettings.aoData[i].nTr );
}
}
return aNodes;
}
/*
* Function: _fnGetTdNodes
* Purpose: Return an array with the TD nodes for the table
* Returns: array: - TD array
* Inputs: object:oSettings - dataTables settings object
*/
function _fnGetTdNodes ( oSettings )
{
var nTrs = _fnGetTrNodes( oSettings );
var nTds = [], nTd;
var anReturn = [];
var iCorrector;
var iRow, iRows, iColumn, iColumns;
for ( iRow=0, iRows=nTrs.length ; iRow<iRows ; iRow++ )
{
nTds = [];
for ( iColumn=0, iColumns=nTrs[iRow].childNodes.length ; iColumn<iColumns ; iColumn++ )
{
nTd = nTrs[iRow].childNodes[iColumn];
if ( nTd.nodeName == "TD" )
{
nTds.push( nTd );
}
}
iCorrector = 0;
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
if ( oSettings.aoColumns[iColumn].bVisible )
{
anReturn.push( nTds[iColumn-iCorrector] );
}
else
{
anReturn.push( oSettings.aoData[iRow]._anHidden[iColumn] );
iCorrector++;
}
}
}
return anReturn;
}
/*
* Function: _fnEscapeRegex
* Purpose: scape a string stuch that it can be used in a regular expression
* Returns: string: - escaped string
* Inputs: string:sVal - string to escape
*/
function _fnEscapeRegex ( sVal )
{
var acEscape = [ '/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\', '$', '^' ];
var reReplace = new RegExp( '(\\' + acEscape.join('|\\') + ')', 'g' );
return sVal.replace(reReplace, '\\$1');
}
/*
* Function: _fnReOrderIndex
* Purpose: Figure out how to reorder a display list
* Returns: array int:aiReturn - index list for reordering
* Inputs: object:oSettings - dataTables settings object
*/
function _fnReOrderIndex ( oSettings, sColumns )
{
var aColumns = sColumns.split(',');
var aiReturn = [];
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
for ( var j=0 ; j<iLen ; j++ )
{
if ( oSettings.aoColumns[i].sName == aColumns[j] )
{
aiReturn.push( j );
break;
}
}
}
return aiReturn;
}
/*
* Function: _fnColumnOrdering
* Purpose: Get the column ordering that DataTables expects
* Returns: string: - comma separated list of names
* Inputs: object:oSettings - dataTables settings object
*/
function _fnColumnOrdering ( oSettings )
{
var sNames = '';
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
sNames += oSettings.aoColumns[i].sName+',';
}
if ( sNames.length == iLen )
{
return "";
}
return sNames.slice(0, -1);
}
/*
* Function: _fnClearTable
* Purpose: Nuke the table
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnClearTable( oSettings )
{
oSettings.aoData.length = 0;
oSettings.aiDisplayMaster.length = 0;
oSettings.aiDisplay.length = 0;
_fnCalculateEnd( oSettings );
}
/*
* Function: _fnSaveState
* Purpose: Save the state of a table in a cookie such that the page can be reloaded
* Returns: -
* Inputs: object:oSettings - dataTables settings object
*/
function _fnSaveState ( oSettings )
{
if ( !oSettings.oFeatures.bStateSave )
{
return;
}
/* Store the interesting variables */
var i;
var sValue = "{";
sValue += '"iStart": '+oSettings._iDisplayStart+',';
sValue += '"iEnd": '+oSettings._iDisplayEnd+',';
sValue += '"iLength": '+oSettings._iDisplayLength+',';
sValue += '"sFilter": "'+oSettings.oPreviousSearch.sSearch.replace('"','\\"')+'",';
sValue += '"sFilterEsc": '+oSettings.oPreviousSearch.bEscapeRegex+',';
sValue += '"aaSorting": [ ';
for ( i=0 ; i<oSettings.aaSorting.length ; i++ )
{
sValue += "["+oSettings.aaSorting[i][0]+",'"+oSettings.aaSorting[i][1]+"'],";
}
sValue = sValue.substring(0, sValue.length-1);
sValue += "],";
sValue += '"aaSearchCols": [ ';
for ( i=0 ; i<oSettings.aoPreSearchCols.length ; i++ )
{
sValue += "['"+oSettings.aoPreSearchCols[i].sSearch.replace("'","\'")+
"',"+oSettings.aoPreSearchCols[i].bEscapeRegex+"],";
}
sValue = sValue.substring(0, sValue.length-1);
sValue += "],";
sValue += '"abVisCols": [ ';
for ( i=0 ; i<oSettings.aoColumns.length ; i++ )
{
sValue += oSettings.aoColumns[i].bVisible+",";
}
sValue = sValue.substring(0, sValue.length-1);
sValue += "]";
sValue += "}";
_fnCreateCookie( "SpryMedia_DataTables_"+oSettings.sInstance, sValue, 
oSettings.iCookieDuration );
}
/*
* Function: _fnLoadState
* Purpose: Attempt to load a saved table state from a cookie
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* object:oInit - DataTables init object so we can override settings
*/
function _fnLoadState ( oSettings, oInit )
{
if ( !oSettings.oFeatures.bStateSave )
{
return;
}
var oData;
var sData = _fnReadCookie( "SpryMedia_DataTables_"+oSettings.sInstance );
if ( sData !== null && sData !== '' )
{
/* Try/catch the JSON eval - if it is bad then we ignore it */
try
{
/* Use the JSON library for safety - if it is available */
if ( typeof JSON == 'object' && typeof JSON.parse == 'function' )
{
/* DT 1.4.0 used single quotes for a string - JSON.parse doesn't allow this and throws
* an error. So for now we can do this. This can be removed in future it is just to
* allow the tranfrer to 1.4.1+ to occur
*/
oData = JSON.parse( sData.replace(/'/g, '"') );
}
else
{
oData = eval( '('+sData+')' );
}
}
catch( e )
{
return;
}
/* Restore key features */
oSettings._iDisplayStart = oData.iStart;
oSettings.iInitDisplayStart = oData.iStart;
oSettings._iDisplayEnd = oData.iEnd;
oSettings._iDisplayLength = oData.iLength;
oSettings.oPreviousSearch.sSearch = oData.sFilter;
oSettings.aaSorting = oData.aaSorting.slice();
oSettings.saved_aaSorting = oData.aaSorting.slice();
/* Search filtering - global reference added in 1.4.1 */
if ( typeof oData.sFilterEsc != 'undefined' )
{
oSettings.oPreviousSearch.bEscapeRegex = oData.sFilterEsc;
}
/* Column filtering - added in 1.5.0 beta 6 */
if ( typeof oData.aaSearchCols != 'undefined' )
{
for ( var i=0 ; i<oData.aaSearchCols.length ; i++ )
{
oSettings.aoPreSearchCols[i] = {
"sSearch": oData.aaSearchCols[i][0],
"bEscapeRegex": oData.aaSearchCols[i][1]
};
}
}
/* Column visibility state - added in 1.5.0 beta 10 */
if ( typeof oData.abVisCols != 'undefined' )
{
/* Pass back visibiliy settings to the init handler, but to do not here override
* the init object that the user might have passed in
*/
oInit.saved_aoColumns = [];
for ( i=0 ; i<oData.abVisCols.length ; i++ )
{
oInit.saved_aoColumns[i] = {};
oInit.saved_aoColumns[i].bVisible = oData.abVisCols[i];
}
}
}
}
/*
* Function: _fnCreateCookie
* Purpose: Create a new cookie with a value to store the state of a table
* Returns: -
* Inputs: string:sName - name of the cookie to create
* string:sValue - the value the cookie should take
* int:iSecs - duration of the cookie
*/
function _fnCreateCookie ( sName, sValue, iSecs )
{
var date = new Date();
date.setTime( date.getTime()+(iSecs*1000) );
/* 
* Shocking but true - it would appear IE has major issues with having the path being
* set to anything but root. We need the cookie to be available based on the path, so we
* have to append the pathname to the cookie name. Appalling.
*/
sName += '_'+window.location.pathname.replace(/[\/:]/g,"").toLowerCase();
document.cookie = sName+"="+encodeURIComponent(sValue)+
"; expires="+date.toGMTString()+"; path=/";
}
/*
* Function: _fnReadCookie
* Purpose: Read an old cookie to get a cookie with an old table state
* Returns: string: - contents of the cookie - or null if no cookie with that name found
* Inputs: string:sName - name of the cookie to read
*/
function _fnReadCookie ( sName )
{
var sNameEQ = sName +'_'+ window.location.pathname.replace(/[\/:]/g,"").toLowerCase() + "=";
var sCookieContents = document.cookie.split(';');
for( var i=0 ; i<sCookieContents.length ; i++ )
{
var c = sCookieContents[i];
while (c.charAt(0)==' ')
{
c = c.substring(1,c.length);
}
if (c.indexOf(sNameEQ) === 0)
{
return decodeURIComponent( c.substring(sNameEQ.length,c.length) );
}
}
return null;
}
/*
* Function: _fnGetUniqueThs
* Purpose: Get an array of unique th elements, one for each column
* Returns: array node:aReturn - list of unique ths
* Inputs: node:nThead - The thead element for the table
*/
function _fnGetUniqueThs ( nThead )
{
var nTrs = nThead.getElementsByTagName('tr');
/* Nice simple case */
if ( nTrs.length == 1 )
{
return nTrs[0].getElementsByTagName('th');
}
/* Otherwise we need to figure out the layout array to get the nodes */
var aLayout = [], aReturn = [];
var ROWSPAN = 2, COLSPAN = 3, TDELEM = 4;
var i, j, k, iLen, jLen, iColumnShifted;
var fnShiftCol = function ( a, i, j ) {
while ( typeof a[i][j] != 'undefined' ) {
j++;
}
return j;
};
var fnAddRow = function ( i ) {
if ( typeof aLayout[i] == 'undefined' ) {
aLayout[i] = [];
}
};
/* Calculate a layout array */
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
fnAddRow( i );
var iColumn = 0;
var nTds = [];
for ( j=0, jLen=nTrs[i].childNodes.length ; j<jLen ; j++ )
{
if ( nTrs[i].childNodes[j].nodeName == "TD" || nTrs[i].childNodes[j].nodeName == "TH" )
{
nTds.push( nTrs[i].childNodes[j] );
}
}
for ( j=0, jLen=nTds.length ; j<jLen ; j++ )
{
var iColspan = nTds[j].getAttribute('colspan') * 1;
var iRowspan = nTds[j].getAttribute('rowspan') * 1;
if ( !iColspan || iColspan===0 || iColspan===1 )
{
iColumnShifted = fnShiftCol( aLayout, i, iColumn );
aLayout[i][iColumnShifted] = (nTds[j].nodeName=="TD") ? TDELEM : nTds[j];
if ( iRowspan || iRowspan===0 || iRowspan===1 )
{
for ( k=1 ; k<iRowspan ; k++ )
{
fnAddRow( i+k );
aLayout[i+k][iColumnShifted] = ROWSPAN;
}
}
iColumn++;
}
else
{
iColumnShifted = fnShiftCol( aLayout, i, iColumn );
for ( k=0 ; k<iColspan ; k++ )
{
aLayout[i][iColumnShifted+k] = COLSPAN;
}
iColumn += iColspan;
}
}
}
/* Convert the layout array into a node array
* Note the use of aLayout[0] in the outloop, we want the outer loop to occur the same
* number of times as there are columns. Unusual having nested loops this way around
* but is what we need here.
*/
for ( i=0, iLen=aLayout[0].length ; i<iLen ; i++ )
{
for ( j=0, jLen=aLayout.length ; j<jLen ; j++ )
{
if ( typeof aLayout[j][i] == 'object' )
{
aReturn.push( aLayout[j][i] );
}
}
}
return aReturn;
}
/*
* Function: _fnMap
* Purpose: See if a property is defined on one object, if so assign it to the other object
* Returns: - (done by reference)
* Inputs: object:oRet - target object
* object:oSrc - source object
* string:sName - property
* string:sMappedName - name to map too - optional, sName used if not given
*/
function _fnMap( oRet, oSrc, sName, sMappedName )
{
if ( typeof sMappedName == 'undefined' )
{
sMappedName = sName;
}
if ( typeof oSrc[sName] != 'undefined' )
{
oRet[sMappedName] = oSrc[sName];
}
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - API
* 
* I'm not overly happy with this solution - I'd much rather that there was a way of getting
* a list of all the private functions and do what we need to dynamically - but that doesn't
* appear to be possible. Bonkers. A better solution would be to provide a 'bind' type object
* To do - bind type method in DTs 2.x.
*/
this.oApi._fnInitalise = _fnInitalise;
this.oApi._fnLanguageProcess = _fnLanguageProcess;
this.oApi._fnAddColumn = _fnAddColumn;
this.oApi._fnAddData = _fnAddData;
this.oApi._fnGatherData = _fnGatherData;
this.oApi._fnDrawHead = _fnDrawHead;
this.oApi._fnDraw = _fnDraw;
this.oApi._fnAjaxUpdate = _fnAjaxUpdate;
this.oApi._fnAddOptionsHtml = _fnAddOptionsHtml;
this.oApi._fnFeatureHtmlFilter = _fnFeatureHtmlFilter;
this.oApi._fnFeatureHtmlInfo = _fnFeatureHtmlInfo;
this.oApi._fnFeatureHtmlPaginate = _fnFeatureHtmlPaginate;
this.oApi._fnPageChange = _fnPageChange;
this.oApi._fnFeatureHtmlLength = _fnFeatureHtmlLength;
this.oApi._fnFeatureHtmlProcessing = _fnFeatureHtmlProcessing;
this.oApi._fnProcessingDisplay = _fnProcessingDisplay;
this.oApi._fnFilterComplete = _fnFilterComplete;
this.oApi._fnFilterColumn = _fnFilterColumn;
this.oApi._fnFilter = _fnFilter;
this.oApi._fnSortingClasses = _fnSortingClasses;
this.oApi._fnVisibleToColumnIndex = _fnVisibleToColumnIndex;
this.oApi._fnColumnIndexToVisible = _fnColumnIndexToVisible;
this.oApi._fnNodeToDataIndex = _fnNodeToDataIndex;
this.oApi._fnVisbleColumns = _fnVisbleColumns;
this.oApi._fnBuildSearchArray = _fnBuildSearchArray;
this.oApi._fnDataToSearch = _fnDataToSearch;
this.oApi._fnCalculateEnd = _fnCalculateEnd;
this.oApi._fnConvertToWidth = _fnConvertToWidth;
this.oApi._fnCalculateColumnWidths = _fnCalculateColumnWidths;
this.oApi._fnArrayCmp = _fnArrayCmp;
this.oApi._fnDetectType = _fnDetectType;
this.oApi._fnGetDataMaster = _fnGetDataMaster;
this.oApi._fnGetTrNodes = _fnGetTrNodes;
this.oApi._fnGetTdNodes = _fnGetTdNodes;
this.oApi._fnEscapeRegex = _fnEscapeRegex;
this.oApi._fnReOrderIndex = _fnReOrderIndex;
this.oApi._fnColumnOrdering = _fnColumnOrdering;
this.oApi._fnClearTable = _fnClearTable;
this.oApi._fnSaveState = _fnSaveState;
this.oApi._fnLoadState = _fnLoadState;
this.oApi._fnCreateCookie = _fnCreateCookie;
this.oApi._fnReadCookie = _fnReadCookie;
this.oApi._fnGetUniqueThs = _fnGetUniqueThs;
this.oApi._fnReDraw = _fnReDraw;
/* Want to be able to reference "this" inside the this.each function */
var _that = this;

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Section - Constructor
*/
return this.each(function()
{
var i=0, iLen, j, jLen;
/* Sanity check that we are not re-initialising a table - if we are, alert an error */
for ( i=0, iLen=_aoSettings.length ; i<iLen ; i++ )
{
if ( _aoSettings[i].nTable == this )
{
alert( "DataTables warning: Unable to re-initialise DataTable. "+
"Please use the API to make any configuration changes required." );
return _aoSettings[i];
}
}
/* Make a complete and independent copy of the settings object */
var oSettings = new classSettings();
_aoSettings.push( oSettings );
var bInitHandedOff = false;
var bUsePassedData = false;
/* Set the id */
var sId = this.getAttribute( 'id' );
if ( sId !== null )
{
oSettings.sTableId = sId;
oSettings.sInstance = sId;
}
else
{
oSettings.sInstance = _oExt._oExternConfig.iNextUnique ++;
}
/* Set the table node */
oSettings.nTable = this;
/* Bind the API functions to the settings, so we can perform actions whenever oSettings is
* available
*/
oSettings.oApi = _that.oApi;
/* Store the features that we have available */
if ( typeof oInit != 'undefined' && oInit !== null )
{
_fnMap( oSettings.oFeatures, oInit, "bPaginate" );
_fnMap( oSettings.oFeatures, oInit, "bLengthChange" );
_fnMap( oSettings.oFeatures, oInit, "bFilter" );
_fnMap( oSettings.oFeatures, oInit, "bSort" );
_fnMap( oSettings.oFeatures, oInit, "bInfo" );
_fnMap( oSettings.oFeatures, oInit, "bProcessing" );
_fnMap( oSettings.oFeatures, oInit, "bAutoWidth" );
_fnMap( oSettings.oFeatures, oInit, "bSortClasses" );
_fnMap( oSettings.oFeatures, oInit, "bServerSide" );
_fnMap( oSettings, oInit, "asStripClasses" );
_fnMap( oSettings, oInit, "fnRowCallback" );
_fnMap( oSettings, oInit, "fnHeaderCallback" );
_fnMap( oSettings, oInit, "fnFooterCallback" );
_fnMap( oSettings, oInit, "fnInitComplete" );
_fnMap( oSettings, oInit, "fnServerData" );
_fnMap( oSettings, oInit, "aaSorting" );
_fnMap( oSettings, oInit, "aaSortingFixed" );
_fnMap( oSettings, oInit, "sPaginationType" );
_fnMap( oSettings, oInit, "sAjaxSource" );
_fnMap( oSettings, oInit, "iCookieDuration" );
_fnMap( oSettings, oInit, "sDom" );
_fnMap( oSettings, oInit, "oSearch", "oPreviousSearch" );
_fnMap( oSettings, oInit, "aoSearchCols", "aoPreSearchCols" );
_fnMap( oSettings, oInit, "iDisplayLength", "_iDisplayLength" );
_fnMap( oSettings, oInit, "bJQueryUI", "bJUI" );
if ( typeof oInit.fnDrawCallback == 'function' )
{
/* Add user given callback function to array */
oSettings.aoDrawCallback.push( {
"fn": oInit.fnDrawCallback,
"sName": "user"
} );
}
if ( oSettings.oFeatures.bServerSide && oSettings.oFeatures.bSort &&
oSettings.oFeatures.bSortClasses )
{
/* Enable sort classes for server-side processing. Safe to do it here, since server-side
* processing must be enabled by the developer
*/
oSettings.aoDrawCallback.push( {
"fn": _fnSortingClasses,
"sName": "server_side_sort_classes"
} );
}
if ( typeof oInit.bJQueryUI != 'undefined' && oInit.bJQueryUI )
{
/* Use the JUI classes object for display. You could clone the oStdClasses object if 
* you want to have multiple tables with multiple independent classes 
*/
oSettings.oClasses = _oExt.oJUIClasses;
if ( typeof oInit.sDom == 'undefined' )
{
/* Set the DOM to use a layout suitable for jQuery UI's theming */
oSettings.sDom = '<"H"lfr>t<"F"ip>';
}
}
if ( typeof oInit.iDisplayStart != 'undefined' && 
typeof oSettings.iInitDisplayStart == 'undefined' )
{
/* Display start point, taking into account the save saving */
oSettings.iInitDisplayStart = oInit.iDisplayStart;
oSettings._iDisplayStart = oInit.iDisplayStart;
}
/* Must be done after everything which can be overridden by a cookie! */
if ( typeof oInit.bStateSave != 'undefined' )
{
oSettings.oFeatures.bStateSave = oInit.bStateSave;
_fnLoadState( oSettings, oInit );
oSettings.aoDrawCallback.push( {
"fn": _fnSaveState,
"sName": "state_save"
} );
}
if ( typeof oInit.aaData != 'undefined' )
{
bUsePassedData = true;
}
/* Backwards compatability */
/* aoColumns / aoData - remove at some point... */
if ( typeof oInit != 'undefined' && typeof oInit.aoData != 'undefined' )
{
oInit.aoColumns = oInit.aoData;
}
/* Language definitions */
if ( typeof oInit.oLanguage != 'undefined' )
{
if ( typeof oInit.oLanguage.sUrl != 'undefined' && oInit.oLanguage.sUrl !== "" )
{
/* Get the language definitions from a file */
oSettings.oLanguage.sUrl = oInit.oLanguage.sUrl;
$.getJSON( oSettings.oLanguage.sUrl, null, function( json ) { 
_fnLanguageProcess( oSettings, json, true ); } );
bInitHandedOff = true;
}
else
{
_fnLanguageProcess( oSettings, oInit.oLanguage, false );
}
}
/* Warning: The _fnLanguageProcess function is async to the remainder of this function due
* to the XHR. We use _bInitialised in _fnLanguageProcess() to check this the processing 
* below is complete. The reason for spliting it like this is optimisation - we can fire
* off the XHR (if needed) and then continue processing the data.
*/
}
else
{
/* Create a dummy object for quick manipulation later on. */
oInit = {};
}
/* Add the strip classes now that we know which classes to apply - unless overruled */
if ( typeof oInit.asStripClasses == 'undefined' )
{
oSettings.asStripClasses.push( oSettings.oClasses.sStripOdd );
oSettings.asStripClasses.push( oSettings.oClasses.sStripEven );
}
/* See if we should load columns automatically or use defined ones - a bit messy this... */
var nThead = this.getElementsByTagName('thead');
var nThs = nThead.length===0 ? null : _fnGetUniqueThs( nThead[0] );
var bUseCols = typeof oInit.aoColumns != 'undefined';
for ( i=0, iLen=bUseCols ? oInit.aoColumns.length : nThs.length ; i<iLen ; i++ )
{
var oCol = bUseCols ? oInit.aoColumns[i] : null;
var nTh = nThs ? nThs[i] : null;
/* Check if we have column visibilty state to restore, and also that the length of the 
* state saved columns matches the currently know number of columns
*/
if ( typeof oInit.saved_aoColumns != 'undefined' && oInit.saved_aoColumns.length == iLen )
{
if ( oCol === null )
{
oCol = {};
}
oCol.bVisible = oInit.saved_aoColumns[i].bVisible;
}
_fnAddColumn( oSettings, oCol, nTh );
}
/* Check the aaSorting array */
for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ )
{
var oColumn = oSettings.aoColumns[ oSettings.aaSorting[i][0] ];
/* Add a default sorting index */
if ( typeof oSettings.aaSorting[i][2] == 'undefined' )
{
oSettings.aaSorting[i][2] = 0;
}
/* If aaSorting is not defined, then we use the first indicator in asSorting */
if ( typeof oInit.aaSorting == "undefined" && 
typeof oSettings.saved_aaSorting == "undefined" )
{
oSettings.aaSorting[i][1] = oColumn.asSorting[0];
}
/* Set the current sorting index based on aoColumns.asSorting */
for ( j=0, jLen=oColumn.asSorting.length ; j<jLen ; j++ )
{
if ( oSettings.aaSorting[i][1] == oColumn.asSorting[j] )
{
oSettings.aaSorting[i][2] = j;
break;
}
}
}
/* Sanity check that there is a thead and tfoot. If not let's just create them */
if ( this.getElementsByTagName('thead').length === 0 )
{
this.appendChild( document.createElement( 'thead' ) );
}
if ( this.getElementsByTagName('tbody').length === 0 )
{
this.appendChild( document.createElement( 'tbody' ) );
}
/* Check if there is data passing into the constructor */
if ( bUsePassedData )
{
for ( i=0 ; i<oInit.aaData.length ; i++ )
{
_fnAddData( oSettings, oInit.aaData[ i ] );
}
}
else
{
/* Grab the data from the page */
_fnGatherData( oSettings );
}
/* Copy the data index array */
oSettings.aiDisplay = oSettings.aiDisplayMaster.slice();
/* Calculate sizes for columns */
if ( oSettings.oFeatures.bAutoWidth )
{
_fnCalculateColumnWidths( oSettings );
}
/* Initialisation complete - table can be drawn */
oSettings.bInitialised = true;
/* Check if we need to initialise the table (it might not have been handed off to the
* language processor)
*/
if ( bInitHandedOff === false )
{
_fnInitalise( oSettings );
}
});
};
})(jQuery);