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jquery.dataTables.js
11469 lines (10290 loc) · 349 KB
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jquery.dataTables.js
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/**
* @summary DataTables
* @description Paginate, search and sort HTML tables
* @version 1.9.0.beta.3
* @file jquery.dataTables.js
* @author Allan Jardine (www.sprymedia.co.uk)
* @contact www.sprymedia.co.uk/contact
*
* @copyright Copyright 2008-2012 Allan Jardine, all rights reserved.
*
* This source file is free software, under either the GPL v2 license or a
* BSD style license, available at:
* http://datatables.net/license_gpl2
* http://datatables.net/license_bsd
*
* 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 please refer to: http://www.datatables.net
*/
/*jslint evil: true, undef: true, browser: true */
/*globals $, jQuery,_fnExternApiFunc,_fnInitialise,_fnInitComplete,_fnLanguageCompat,_fnAddColumn,_fnColumnOptions,_fnAddData,_fnCreateTr,_fnGatherData,_fnBuildHead,_fnDrawHead,_fnDraw,_fnReDraw,_fnAjaxUpdate,_fnAjaxParameters,_fnAjaxUpdateDraw,_fnServerParams,_fnAddOptionsHtml,_fnFeatureHtmlTable,_fnScrollDraw,_fnAdjustColumnSizing,_fnFeatureHtmlFilter,_fnFilterComplete,_fnFilterCustom,_fnFilterColumn,_fnFilter,_fnBuildSearchArray,_fnBuildSearchRow,_fnFilterCreateSearch,_fnDataToSearch,_fnSort,_fnSortAttachListener,_fnSortingClasses,_fnFeatureHtmlPaginate,_fnPageChange,_fnFeatureHtmlInfo,_fnUpdateInfo,_fnFeatureHtmlLength,_fnFeatureHtmlProcessing,_fnProcessingDisplay,_fnVisibleToColumnIndex,_fnColumnIndexToVisible,_fnNodeToDataIndex,_fnVisbleColumns,_fnCalculateEnd,_fnConvertToWidth,_fnCalculateColumnWidths,_fnScrollingWidthAdjust,_fnGetWidestNode,_fnGetMaxLenString,_fnStringToCss,_fnDetectType,_fnSettingsFromNode,_fnGetDataMaster,_fnGetTrNodes,_fnGetTdNodes,_fnEscapeRegex,_fnDeleteIndex,_fnReOrderIndex,_fnColumnOrdering,_fnLog,_fnClearTable,_fnSaveState,_fnLoadState,_fnCreateCookie,_fnReadCookie,_fnDetectHeader,_fnGetUniqueThs,_fnScrollBarWidth,_fnApplyToChildren,_fnMap,_fnGetRowData,_fnGetCellData,_fnSetCellData,_fnGetObjectDataFn,_fnSetObjectDataFn,_fnApplyColumnDefs,_fnBindAction,_fnCallbackReg,_fnCallbackFire,_fnJsonString,_fnRender*/
(/** @lends <global> */function($, window, document, undefined) {
/**
* DataTables is a plug-in for the jQuery Javascript library. It is a
* highly flexible tool, based upon the foundations of progressive
* enhancement, which will add advanced interaction controls to any
* HTML table. For a full list of features please refer to
* <a href="http://datatables.net">DataTables.net</a>.
*
* Note that the <i>DataTable</i> object is not a global variable but is
* aliased to <i>jQuery.fn.DataTable</i> and <i>jQuery.fn.dataTable</i> through which
* it may be accessed.
*
* @class
* @param {object} [oInit={}] Configuration object for DataTables. Options
* are defined by {@link DataTable.defaults}
* @requires jQuery 1.3+
*
* @example
* // Basic initialisation
* $(document).ready( function {
* $('#example').dataTable();
* } );
*
* @example
* // Initialisation with configuration options - in this case, disable
* // pagination and sorting.
* $(document).ready( function {
* $('#example').dataTable( {
* "bPaginate": false,
* "bSort": false
* } );
* } );
*/
var DataTable = function( oInit )
{
/**
* Add a column to the list used for the table with default values
* @param {object} oSettings dataTables settings object
* @param {node} nTh The th element for this column
* @memberof DataTable#oApi
*/
function _fnAddColumn( oSettings, nTh )
{
var oDefaults = DataTable.defaults.columns;
var iCol = oSettings.aoColumns.length;
var oCol = $.extend( {}, DataTable.models.oColumn, oDefaults, {
"sSortingClass": oSettings.oClasses.sSortable,
"sSortingClassJUI": oSettings.oClasses.sSortJUI,
"nTh": nTh ? nTh : document.createElement('th'),
"sTitle": oDefaults.sTitle ? oDefaults.sTitle : nTh ? nTh.innerHTML : '',
"aDataSort": oDefaults.aDataSort ? oDefaults.aDataSort : [iCol],
"mDataProp": oDefaults.mDataProp ? oDefaults.oDefaults : iCol
} );
oSettings.aoColumns.push( oCol );
/* Add a column specific filter */
if ( oSettings.aoPreSearchCols[ iCol ] === undefined || oSettings.aoPreSearchCols[ iCol ] === null )
{
oSettings.aoPreSearchCols[ iCol ] = $.extend( {}, DataTable.models.oSearch );
}
else
{
var oPre = oSettings.aoPreSearchCols[ iCol ];
/* Don't require that the user must specify bRegex, bSmart or bCaseInsensitive */
if ( oPre.bRegex === undefined )
{
oPre.bRegex = true;
}
if ( oPre.bSmart === undefined )
{
oPre.bSmart = true;
}
if ( oPre.bCaseInsensitive === undefined )
{
oPre.bCaseInsensitive = true;
}
}
/* Use the column options function to initialise classes etc */
_fnColumnOptions( oSettings, iCol, null );
}
/**
* Apply options for a column
* @param {object} oSettings dataTables settings object
* @param {int} iCol column index to consider
* @param {object} oOptions object with sType, bVisible and bSearchable
* @memberof DataTable#oApi
*/
function _fnColumnOptions( oSettings, iCol, oOptions )
{
var oCol = oSettings.aoColumns[ iCol ];
/* User specified column options */
if ( oOptions !== undefined && oOptions !== null )
{
if ( oOptions.sType !== undefined )
{
oCol.sType = oOptions.sType;
oCol._bAutoType = false;
}
$.extend( oCol, oOptions );
_fnMap( oCol, oOptions, "sWidth", "sWidthOrig" );
/* iDataSort to be applied (backwards compatibility), but aDataSort will take
* priority if defined
*/
if ( oOptions.iDataSort !== undefined )
{
oCol.aDataSort = [ oOptions.iDataSort ];
}
_fnMap( oCol, oOptions, "aDataSort" );
}
/* Cache the data get and set functions for speed */
oCol.fnGetData = _fnGetObjectDataFn( oCol.mDataProp );
oCol.fnSetData = _fnSetObjectDataFn( oCol.mDataProp );
/* Feature sorting overrides column specific when off */
if ( !oSettings.oFeatures.bSort )
{
oCol.bSortable = false;
}
/* Check that the class assignment is correct for sorting */
if ( !oCol.bSortable ||
($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) )
{
oCol.sSortingClass = oSettings.oClasses.sSortableNone;
oCol.sSortingClassJUI = "";
}
else if ( oCol.bSortable ||
($.inArray('asc', oCol.asSorting) == -1 && $.inArray('desc', oCol.asSorting) == -1) )
{
oCol.sSortingClass = oSettings.oClasses.sSortable;
oCol.sSortingClassJUI = oSettings.oClasses.sSortJUI;
}
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;
}
}
/**
* Adjust the table column widths for new data. Note: you would probably want to
* do a redraw after calling this function!
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnAdjustColumnSizing ( oSettings )
{
/* Not interested in doing column width calculation if autowidth is disabled */
if ( oSettings.oFeatures.bAutoWidth === false )
{
return false;
}
_fnCalculateColumnWidths( oSettings );
for ( var i=0 , iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
oSettings.aoColumns[i].nTh.style.width = oSettings.aoColumns[i].sWidth;
}
}
/**
* Covert the index of a visible column to the index in the data array (take account
* of hidden columns)
* @param {object} oSettings dataTables settings object
* @param {int} iMatch Visible column index to lookup
* @returns {int} i the data index
* @memberof DataTable#oApi
*/
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;
}
/**
* Covert the index of an index in the data array and convert it to the visible
* column index (take account of hidden columns)
* @param {int} iMatch Column index to lookup
* @param {object} oSettings dataTables settings object
* @returns {int} i the data index
* @memberof DataTable#oApi
*/
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;
}
/**
* Get the number of visible columns
* @returns {int} i the number of visible columns
* @param {object} oS dataTables settings object
* @memberof DataTable#oApi
*/
function _fnVisbleColumns( oS )
{
var iVis = 0;
for ( var i=0 ; i<oS.aoColumns.length ; i++ )
{
if ( oS.aoColumns[i].bVisible === true )
{
iVis++;
}
}
return iVis;
}
/**
* Get the sort type based on an input string
* @param {string} sData data we wish to know the type of
* @returns {string} type (defaults to 'string' if no type can be detected)
* @memberof DataTable#oApi
*/
function _fnDetectType( sData )
{
var aTypes = DataTable.ext.aTypes;
var iLen = aTypes.length;
for ( var i=0 ; i<iLen ; i++ )
{
var sType = aTypes[i]( sData );
if ( sType !== null )
{
return sType;
}
}
return 'string';
}
/**
* Figure out how to reorder a display list
* @param {object} oSettings dataTables settings object
* @returns array {int} aiReturn index list for reordering
* @memberof DataTable#oApi
*/
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;
}
/**
* Get the column ordering that DataTables expects
* @param {object} oSettings dataTables settings object
* @returns {string} comma separated list of names
* @memberof DataTable#oApi
*/
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);
}
/**
* Take the column definitions and static columns arrays and calculate how
* they relate to column indexes. The callback function will then apply the
* definition found for a column to a suitable configuration object.
* @param {object} oSettings dataTables settings object
* @param {array} aoColDefs The aoColumnDefs array that is to be applied
* @param {array} aoCols The aoColumns array that defines columns individually
* @param {function} fn Callback function - takes two parameters, the calculated
* column index and the definition for that column.
* @memberof DataTable#oApi
*/
function _fnApplyColumnDefs( oSettings, aoColDefs, aoCols, fn )
{
var i, iLen, j, jLen, k, kLen;
// Column definitions with aTargets
if ( aoColDefs )
{
/* Loop over the definitions array - loop in reverse so first instance has priority */
for ( i=aoColDefs.length-1 ; i>=0 ; i-- )
{
/* Each definition can target multiple columns, as it is an array */
var aTargets = aoColDefs[i].aTargets;
if ( !$.isArray( aTargets ) )
{
_fnLog( oSettings, 1, 'aTargets must be an array of targets, not a '+(typeof aTargets) );
}
for ( j=0, jLen=aTargets.length ; j<jLen ; j++ )
{
if ( typeof aTargets[j] === 'number' && aTargets[j] >= 0 )
{
/* Add columns that we don't yet know about */
while( oSettings.aoColumns.length <= aTargets[j] )
{
_fnAddColumn( oSettings );
}
/* Integer, basic index */
fn( aTargets[j], aoColDefs[i] );
}
else if ( typeof aTargets[j] === 'number' && aTargets[j] < 0 )
{
/* Negative integer, right to left column counting */
fn( oSettings.aoColumns.length+aTargets[j], aoColDefs[i] );
}
else if ( typeof aTargets[j] === 'string' )
{
/* Class name matching on TH element */
for ( k=0, kLen=oSettings.aoColumns.length ; k<kLen ; k++ )
{
if ( aTargets[j] == "_all" ||
$(oSettings.aoColumns[k].nTh).hasClass( aTargets[j] ) )
{
fn( k, aoColDefs[i] );
}
}
}
}
}
}
// Statically defined columns array
if ( aoCols )
{
for ( i=0, iLen=aoCols.length ; i<iLen ; i++ )
{
fn( i, aoCols[i] );
}
}
}
/**
* Add a data array to the table, creating DOM node etc. This is the parallel to
* _fnGatherData, but for adding rows from a Javascript source, rather than a
* DOM source.
* @param {object} oSettings dataTables settings object
* @param {array} aData data array to be added
* @returns {int} >=0 if successful (index of new aoData entry), -1 if failed
* @memberof DataTable#oApi
*/
function _fnAddData ( oSettings, aDataSupplied )
{
var oCol;
/* Take an independent copy of the data source so we can bash it about as we wish */
var aDataIn = ($.isArray(aDataSupplied)) ?
aDataSupplied.slice() :
$.extend( true, {}, aDataSupplied );
/* Create the object for storing information about this new row */
var iRow = oSettings.aoData.length;
var oData = $.extend( true, {}, DataTable.models.oRow, {
"_aData": aDataIn
} );
oSettings.aoData.push( oData );
/* Create the cells */
var nTd, sThisType;
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
oCol = oSettings.aoColumns[i];
/* Use rendered data for filtering/sorting */
if ( typeof oCol.fnRender === 'function' && oCol.bUseRendered && oCol.mDataProp !== null )
{
_fnSetCellData( oSettings, iRow, i, _fnRender(oSettings, iRow, i) );
}
/* See if we should auto-detect the column type */
if ( oCol._bAutoType && oCol.sType != 'string' )
{
/* Attempt to auto detect the type - same as _fnGatherData() */
var sVarType = _fnGetCellData( oSettings, iRow, i, 'type' );
if ( sVarType !== null && sVarType !== '' )
{
sThisType = _fnDetectType( sVarType );
if ( oCol.sType === null )
{
oCol.sType = sThisType;
}
else if ( oCol.sType != sThisType && oCol.sType != "html" )
{
/* String is always the 'fallback' option */
oCol.sType = 'string';
}
}
}
}
/* Add to the display array */
oSettings.aiDisplayMaster.push( iRow );
/* Create the DOM imformation */
if ( !oSettings.oFeatures.bDeferRender )
{
_fnCreateTr( oSettings, iRow );
}
return iRow;
}
/**
* Read in the data from the target table from the DOM
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnGatherData( oSettings )
{
var iLoop, i, iLen, j, jLen, jInner,
nTds, nTrs, nTd, aLocalData, iThisIndex,
iRow, iRows, iColumn, iColumns, sNodeName,
oCol, oData;
/*
* 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.bDeferLoading || oSettings.sAjaxSource === null )
{
nTrs = oSettings.nTBody.childNodes;
for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
{
if ( nTrs[i].nodeName.toUpperCase() == "TR" )
{
iThisIndex = oSettings.aoData.length;
nTrs[i]._DT_RowIndex = iThisIndex;
oSettings.aoData.push( $.extend( true, {}, DataTable.models.oRow, {
"nTr": nTrs[i]
} ) );
oSettings.aiDisplayMaster.push( iThisIndex );
nTds = nTrs[i].childNodes;
jInner = 0;
for ( j=0, jLen=nTds.length ; j<jLen ; j++ )
{
sNodeName = nTds[j].nodeName.toUpperCase();
if ( sNodeName == "TD" || sNodeName == "TH" )
{
_fnSetCellData( oSettings, iThisIndex, jInner, $.trim(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];
sNodeName = nTd.nodeName.toUpperCase();
if ( sNodeName == "TD" || sNodeName == "TH" )
{
nTds.push( nTd );
}
}
}
/* Now process by column */
for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
{
oCol = oSettings.aoColumns[iColumn];
/* Get the title of the column - unless there is a user set one */
if ( oCol.sTitle === null )
{
oCol.sTitle = oCol.nTh.innerHTML;
}
var
bAutoType = oCol._bAutoType,
bRender = typeof oCol.fnRender === 'function',
bClass = oCol.sClass !== null,
bVisible = oCol.bVisible,
nCell, sThisType, sRendered, sValType;
/* 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++ )
{
oData = oSettings.aoData[iRow];
nCell = nTds[ (iRow*iColumns) + iColumn ];
/* Type detection */
if ( bAutoType && oCol.sType != 'string' )
{
sValType = _fnGetCellData( oSettings, iRow, iColumn, 'type' );
if ( sValType !== '' )
{
sThisType = _fnDetectType( sValType );
if ( oCol.sType === null )
{
oCol.sType = sThisType;
}
else if ( oCol.sType != sThisType &&
oCol.sType != "html" )
{
/* String is always the 'fallback' option */
oCol.sType = 'string';
}
}
}
if ( typeof oCol.mDataProp === 'function' )
{
nCell.innerHTML = _fnGetCellData( oSettings, iRow, iColumn, 'display' );
}
/* Rendering */
if ( bRender )
{
sRendered = _fnRender( oSettings, iRow, iColumn );
nCell.innerHTML = sRendered;
if ( oCol.bUseRendered )
{
/* Use the rendered data for filtering/sorting */
_fnSetCellData( oSettings, iRow, iColumn, sRendered );
}
}
/* Classes */
if ( bClass )
{
nCell.className += ' '+oCol.sClass;
}
/* Column visability */
if ( !bVisible )
{
oData._anHidden[iColumn] = nCell;
nCell.parentNode.removeChild( nCell );
}
else
{
oData._anHidden[iColumn] = null;
}
if ( oCol.fnCreatedCell )
{
oCol.fnCreatedCell.call( oSettings.oInstance,
nCell, _fnGetCellData( oSettings, iRow, iColumn, 'display' ), oData._aData, iRow, iColumn
);
}
}
}
}
/* Row created callbacks */
if ( oSettings.aoRowCreatedCallback.length !== 0 )
{
for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
{
oData = oSettings.aoData[i];
_fnCallbackFire( oSettings, 'aoRowCreatedCallback', null, [oData.nTr, oData._aData, i] );
}
}
}
/**
* Take a TR element and convert it to an index in aoData
* @param {object} oSettings dataTables settings object
* @param {node} n the TR element to find
* @returns {int} index if the node is found, null if not
* @memberof DataTable#oApi
*/
function _fnNodeToDataIndex( oSettings, n )
{
return (n._DT_RowIndex!==undefined) ? n._DT_RowIndex : null;
}
/**
* Get an array of data for a given row from the internal data cache
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData row id
* @param {string} sSpecific data get type ('type' 'filter' 'sort')
* @returns {array} Data array
* @memberof DataTable#oApi
*/
function _fnGetRowData( oSettings, iRow, sSpecific )
{
var out = [];
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{
out.push( _fnGetCellData( oSettings, iRow, i, sSpecific ) );
}
return out;
}
/**
* Get the data for a given cell from the internal cache, taking into account data mapping
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData row id
* @param {int} iCol Column index
* @param {string} sSpecific data get type ('display', 'type' 'filter' 'sort')
* @returns {*} Cell data
* @memberof DataTable#oApi
*/
function _fnGetCellData( oSettings, iRow, iCol, sSpecific )
{
var sData;
var oCol = oSettings.aoColumns[iCol];
var oData = oSettings.aoData[iRow]._aData;
if ( (sData=oCol.fnGetData( oData, sSpecific )) === undefined )
{
if ( oSettings.iDrawError != oSettings.iDraw && oCol.sDefaultContent === null )
{
_fnLog( oSettings, 0, "Requested unknown parameter '"+oCol.mDataProp+
"' from the data source for row "+iRow );
oSettings.iDrawError = oSettings.iDraw;
}
return oCol.sDefaultContent;
}
/* When the data source is null, we can use default column data */
if ( sData === null && oCol.sDefaultContent !== null )
{
sData = oCol.sDefaultContent;
}
else if ( typeof sData === 'function' )
{
/* If the data source is a function, then we run it and use the return */
return sData();
}
if ( sSpecific == 'display' && sData === null )
{
return '';
}
return sData;
}
/**
* Set the value for a specific cell, into the internal data cache
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData row id
* @param {int} iCol Column index
* @param {*} val Value to set
* @memberof DataTable#oApi
*/
function _fnSetCellData( oSettings, iRow, iCol, val )
{
var oCol = oSettings.aoColumns[iCol];
var oData = oSettings.aoData[iRow]._aData;
oCol.fnSetData( oData, val );
}
/**
* Return a function that can be used to get data from a source object, taking
* into account the ability to use nested objects as a source
* @param {string|int|function} mSource The data source for the object
* @returns {function} Data get function
* @memberof DataTable#oApi
*/
function _fnGetObjectDataFn( mSource )
{
if ( mSource === null )
{
/* Give an empty string for rendering / sorting etc */
return function (data, type) {
return null;
};
}
else if ( typeof mSource === 'function' )
{
return function (data, type) {
return mSource( data, type );
};
}
else if ( typeof mSource === 'string' && mSource.indexOf('.') != -1 )
{
/* If there is a . in the source string then the data source is in a nested object
* we provide two 'quick' functions for the look up to speed up the most common
* operation, and a generalised one for when it is needed
*/
var a = mSource.split('.');
if ( a.length == 2 )
{
return function (data, type) {
return data[ a[0] ][ a[1] ];
};
}
else if ( a.length == 3 )
{
return function (data, type) {
return data[ a[0] ][ a[1] ][ a[2] ];
};
}
else
{
return function (data, type) {
for ( var i=0, iLen=a.length ; i<iLen ; i++ )
{
data = data[ a[i] ];
}
return data;
};
}
}
else
{
/* Array or flat object mapping */
return function (data, type) {
return data[mSource];
};
}
}
/**
* Return a function that can be used to set data from a source object, taking
* into account the ability to use nested objects as a source
* @param {string|int|function} mSource The data source for the object
* @returns {function} Data set function
* @memberof DataTable#oApi
*/
function _fnSetObjectDataFn( mSource )
{
if ( mSource === null )
{
/* Nothing to do when the data source is null */
return function (data, val) {};
}
else if ( typeof mSource === 'function' )
{
return function (data, val) {
mSource( data, 'set', val );
};
}
else if ( typeof mSource === 'string' && mSource.indexOf('.') != -1 )
{
/* Like the get, we need to get data from a nested object. Again two fast lookup
* functions are provided, and a generalised one.
*/
var a = mSource.split('.');
if ( a.length == 2 )
{
return function (data, val) {
data[ a[0] ][ a[1] ] = val;
};
}
else if ( a.length == 3 )
{
return function (data, val) {
data[ a[0] ][ a[1] ][ a[2] ] = val;
};
}
else
{
return function (data, val) {
for ( var i=0, iLen=a.length-1 ; i<iLen ; i++ )
{
data = data[ a[i] ];
}
data[ a[a.length-1] ] = val;
};
}
}
else
{
/* Array or flat object mapping */
return function (data, val) {
data[mSource] = val;
};
}
}
/**
* Return an array with the full table data
* @param {object} oSettings dataTables settings object
* @returns array {array} aData Master data array
* @memberof DataTable#oApi
*/
function _fnGetDataMaster ( oSettings )
{
var aData = [];
var iLen = oSettings.aoData.length;
for ( var i=0 ; i<iLen; i++ )
{
aData.push( oSettings.aoData[i]._aData );
}
return aData;
}
/**
* Nuke the table
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnClearTable( oSettings )
{
oSettings.aoData.splice( 0, oSettings.aoData.length );
oSettings.aiDisplayMaster.splice( 0, oSettings.aiDisplayMaster.length );
oSettings.aiDisplay.splice( 0, oSettings.aiDisplay.length );
_fnCalculateEnd( oSettings );
}
/**
* Take an array of integers (index array) and remove a target integer (value - not
* the key!)
* @param {array} a Index array to target
* @param {int} iTarget value to find
* @memberof DataTable#oApi
*/
function _fnDeleteIndex( a, iTarget )
{
var iTargetIndex = -1;
for ( var i=0, iLen=a.length ; i<iLen ; i++ )
{
if ( a[i] == iTarget )
{
iTargetIndex = i;
}
else if ( a[i] > iTarget )
{
a[i]--;
}
}
if ( iTargetIndex != -1 )
{
a.splice( iTargetIndex, 1 );
}
}
/**
* Call the developer defined fnRender function for a given cell (row/column) with
* the required parameters and return the result.
* @param {object} oSettings dataTables settings object
* @param {int} iRow aoData index for the row
* @param {int} iCol aoColumns index for the column
* @returns {*} Return of the developer's fnRender function
* @memberof DataTable#oApi
*/
function _fnRender( oSettings, iRow, iCol )
{
var oCol = oSettings.aoColumns[iCol];
return oCol.fnRender( {
"iDataRow": iRow,
"iDataColumn": iCol,
"oSettings": oSettings,
"aData": oSettings.aoData[iRow]._aData,
"mDataProp": oCol.mDataProp
}, _fnGetCellData(oSettings, iRow, iCol, 'display') );
}
/**
* Create a new TR element (and it's TD children) for a row
* @param {object} oSettings dataTables settings object
* @param {int} iRow Row to consider
* @memberof DataTable#oApi
*/
function _fnCreateTr ( oSettings, iRow )
{
var oData = oSettings.aoData[iRow];
var nTd;
if ( oData.nTr === null )
{
oData.nTr = document.createElement('tr');
/* Use a private property on the node to allow reserve mapping from the node
* to the aoData array for fast look up
*/
oData.nTr._DT_RowIndex = iRow;
/* Special parameters can be given by the data source to be used on the row */
if ( oData._aData.DT_RowId )
{
oData.nTr.id = oData._aData.DT_RowId;
}
if ( oData._aData.DT_RowClass )
{
$(oData.nTr).addClass( oData._aData.DT_RowClass );
}
/* Process each column */
for ( var i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
{