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jquery.dataTables.js
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jquery.dataTables.js
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/*! DataTables 1.10.10
* ©2008-2015 SpryMedia Ltd - datatables.net/license
*/
/**
* @summary DataTables
* @description Paginate, search and order HTML tables
* @version 1.10.10
* @file jquery.dataTables.js
* @author SpryMedia Ltd (www.sprymedia.co.uk)
* @contact www.sprymedia.co.uk/contact
* @copyright Copyright 2008-2015 SpryMedia Ltd.
*
* This source file is free software, available under the following license:
* MIT license - http://datatables.net/license
*
* 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 $,require,jQuery,define,_selector_run,_selector_opts,_selector_first,_selector_row_indexes,_ext,_Api,_api_register,_api_registerPlural,_re_new_lines,_re_html,_re_formatted_numeric,_re_escape_regex,_empty,_intVal,_numToDecimal,_isNumber,_isHtml,_htmlNumeric,_pluck,_pluck_order,_range,_stripHtml,_unique,_fnBuildAjax,_fnAjaxUpdate,_fnAjaxParameters,_fnAjaxUpdateDraw,_fnAjaxDataSrc,_fnAddColumn,_fnColumnOptions,_fnAdjustColumnSizing,_fnVisibleToColumnIndex,_fnColumnIndexToVisible,_fnVisbleColumns,_fnGetColumns,_fnColumnTypes,_fnApplyColumnDefs,_fnHungarianMap,_fnCamelToHungarian,_fnLanguageCompat,_fnBrowserDetect,_fnAddData,_fnAddTr,_fnNodeToDataIndex,_fnNodeToColumnIndex,_fnGetCellData,_fnSetCellData,_fnSplitObjNotation,_fnGetObjectDataFn,_fnSetObjectDataFn,_fnGetDataMaster,_fnClearTable,_fnDeleteIndex,_fnInvalidate,_fnGetRowElements,_fnCreateTr,_fnBuildHead,_fnDrawHead,_fnDraw,_fnReDraw,_fnAddOptionsHtml,_fnDetectHeader,_fnGetUniqueThs,_fnFeatureHtmlFilter,_fnFilterComplete,_fnFilterCustom,_fnFilterColumn,_fnFilter,_fnFilterCreateSearch,_fnEscapeRegex,_fnFilterData,_fnFeatureHtmlInfo,_fnUpdateInfo,_fnInfoMacros,_fnInitialise,_fnInitComplete,_fnLengthChange,_fnFeatureHtmlLength,_fnFeatureHtmlPaginate,_fnPageChange,_fnFeatureHtmlProcessing,_fnProcessingDisplay,_fnFeatureHtmlTable,_fnScrollDraw,_fnApplyToChildren,_fnCalculateColumnWidths,_fnThrottle,_fnConvertToWidth,_fnGetWidestNode,_fnGetMaxLenString,_fnStringToCss,_fnSortFlatten,_fnSort,_fnSortAria,_fnSortListener,_fnSortAttachListener,_fnSortingClasses,_fnSortData,_fnSaveState,_fnLoadState,_fnSettingsFromNode,_fnLog,_fnMap,_fnBindAction,_fnCallbackReg,_fnCallbackFire,_fnLengthOverflow,_fnRenderer,_fnDataSource,_fnRowAttributes*/
(function( factory ) {
"use strict";
if ( typeof define === 'function' && define.amd ) {
// AMD
define( ['jquery'], function ( $ ) {
return factory( $, window, document );
} );
}
else if ( typeof exports === 'object' ) {
// CommonJS
module.exports = function (root, $) {
if ( ! root ) {
// CommonJS environments without a window global must pass a
// root. This will give an error otherwise
root = window;
}
if ( ! $ ) {
$ = typeof window !== 'undefined' ? // jQuery's factory checks for a global window
require('jquery') :
require('jquery')( root );
}
return factory( $, root, root.document );
};
}
else {
// Browser
factory( jQuery, window, document );
}
}
(function( $, window, document, undefined ) {
"use strict";
/**
* 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
* [DataTables.net](href="http://datatables.net).
*
* Note that the `DataTable` object is not a global variable but is aliased
* to `jQuery.fn.DataTable` and `jQuery.fn.dataTable` through which it may
* be accessed.
*
* @class
* @param {object} [init={}] Configuration object for DataTables. Options
* are defined by {@link DataTable.defaults}
* @requires jQuery 1.7+
*
* @example
* // Basic initialisation
* $(document).ready( function {
* $('#example').dataTable();
* } );
*
* @example
* // Initialisation with configuration options - in this case, disable
* // pagination and sorting.
* $(document).ready( function {
* $('#example').dataTable( {
* "paginate": false,
* "sort": false
* } );
* } );
*/
var DataTable;
/*
* It is useful to have variables which are scoped locally so only the
* DataTables functions can access them and they don't leak into global space.
* At the same time these functions are often useful over multiple files in the
* core and API, so we list, or at least document, all variables which are used
* by DataTables as private variables here. This also ensures that there is no
* clashing of variable names and that they can easily referenced for reuse.
*/
// Defined else where
// _selector_run
// _selector_opts
// _selector_first
// _selector_row_indexes
var _ext; // DataTable.ext
var _Api; // DataTable.Api
var _api_register; // DataTable.Api.register
var _api_registerPlural; // DataTable.Api.registerPlural
var _re_dic = {};
var _re_new_lines = /[\r\n]/g;
var _re_html = /<.*?>/g;
var _re_date_start = /^[\w\+\-]/;
var _re_date_end = /[\w\+\-]$/;
// Escape regular expression special characters
var _re_escape_regex = new RegExp( '(\\' + [ '/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\', '$', '^', '-' ].join('|\\') + ')', 'g' );
// http://en.wikipedia.org/wiki/Foreign_exchange_market
// - \u20BD - Russian ruble.
// - \u20a9 - South Korean Won
// - \u20BA - Turkish Lira
// - \u20B9 - Indian Rupee
// - R - Brazil (R$) and South Africa
// - fr - Swiss Franc
// - kr - Swedish krona, Norwegian krone and Danish krone
// - \u2009 is thin space and \u202F is narrow no-break space, both used in many
// standards as thousands separators.
var _re_formatted_numeric = /[',$£€¥%\u2009\u202F\u20BD\u20a9\u20BArfk]/gi;
var _empty = function ( d ) {
return !d || d === true || d === '-' ? true : false;
};
var _intVal = function ( s ) {
var integer = parseInt( s, 10 );
return !isNaN(integer) && isFinite(s) ? integer : null;
};
// Convert from a formatted number with characters other than `.` as the
// decimal place, to a Javascript number
var _numToDecimal = function ( num, decimalPoint ) {
// Cache created regular expressions for speed as this function is called often
if ( ! _re_dic[ decimalPoint ] ) {
_re_dic[ decimalPoint ] = new RegExp( _fnEscapeRegex( decimalPoint ), 'g' );
}
return typeof num === 'string' && decimalPoint !== '.' ?
num.replace( /\./g, '' ).replace( _re_dic[ decimalPoint ], '.' ) :
num;
};
var _isNumber = function ( d, decimalPoint, formatted ) {
var strType = typeof d === 'string';
// If empty return immediately so there must be a number if it is a
// formatted string (this stops the string "k", or "kr", etc being detected
// as a formatted number for currency
if ( _empty( d ) ) {
return true;
}
if ( decimalPoint && strType ) {
d = _numToDecimal( d, decimalPoint );
}
if ( formatted && strType ) {
d = d.replace( _re_formatted_numeric, '' );
}
return !isNaN( parseFloat(d) ) && isFinite( d );
};
// A string without HTML in it can be considered to be HTML still
var _isHtml = function ( d ) {
return _empty( d ) || typeof d === 'string';
};
var _htmlNumeric = function ( d, decimalPoint, formatted ) {
if ( _empty( d ) ) {
return true;
}
var html = _isHtml( d );
return ! html ?
null :
_isNumber( _stripHtml( d ), decimalPoint, formatted ) ?
true :
null;
};
var _pluck = function ( a, prop, prop2 ) {
var out = [];
var i=0, ien=a.length;
// Could have the test in the loop for slightly smaller code, but speed
// is essential here
if ( prop2 !== undefined ) {
for ( ; i<ien ; i++ ) {
if ( a[i] && a[i][ prop ] ) {
out.push( a[i][ prop ][ prop2 ] );
}
}
}
else {
for ( ; i<ien ; i++ ) {
if ( a[i] ) {
out.push( a[i][ prop ] );
}
}
}
return out;
};
// Basically the same as _pluck, but rather than looping over `a` we use `order`
// as the indexes to pick from `a`
var _pluck_order = function ( a, order, prop, prop2 )
{
var out = [];
var i=0, ien=order.length;
// Could have the test in the loop for slightly smaller code, but speed
// is essential here
if ( prop2 !== undefined ) {
for ( ; i<ien ; i++ ) {
if ( a[ order[i] ][ prop ] ) {
out.push( a[ order[i] ][ prop ][ prop2 ] );
}
}
}
else {
for ( ; i<ien ; i++ ) {
out.push( a[ order[i] ][ prop ] );
}
}
return out;
};
var _range = function ( len, start )
{
var out = [];
var end;
if ( start === undefined ) {
start = 0;
end = len;
}
else {
end = start;
start = len;
}
for ( var i=start ; i<end ; i++ ) {
out.push( i );
}
return out;
};
var _removeEmpty = function ( a )
{
var out = [];
for ( var i=0, ien=a.length ; i<ien ; i++ ) {
if ( a[i] ) { // careful - will remove all falsy values!
out.push( a[i] );
}
}
return out;
};
var _stripHtml = function ( d ) {
return d.replace( _re_html, '' );
};
/**
* Find the unique elements in a source array.
*
* @param {array} src Source array
* @return {array} Array of unique items
* @ignore
*/
var _unique = function ( src )
{
// A faster unique method is to use object keys to identify used values,
// but this doesn't work with arrays or objects, which we must also
// consider. See jsperf.com/compare-array-unique-versions/4 for more
// information.
var
out = [],
val,
i, ien=src.length,
j, k=0;
again: for ( i=0 ; i<ien ; i++ ) {
val = src[i];
for ( j=0 ; j<k ; j++ ) {
if ( out[j] === val ) {
continue again;
}
}
out.push( val );
k++;
}
return out;
};
/**
* Create a mapping object that allows camel case parameters to be looked up
* for their Hungarian counterparts. The mapping is stored in a private
* parameter called `_hungarianMap` which can be accessed on the source object.
* @param {object} o
* @memberof DataTable#oApi
*/
function _fnHungarianMap ( o )
{
var
hungarian = 'a aa ai ao as b fn i m o s ',
match,
newKey,
map = {};
$.each( o, function (key, val) {
match = key.match(/^([^A-Z]+?)([A-Z])/);
if ( match && hungarian.indexOf(match[1]+' ') !== -1 )
{
newKey = key.replace( match[0], match[2].toLowerCase() );
map[ newKey ] = key;
if ( match[1] === 'o' )
{
_fnHungarianMap( o[key] );
}
}
} );
o._hungarianMap = map;
}
/**
* Convert from camel case parameters to Hungarian, based on a Hungarian map
* created by _fnHungarianMap.
* @param {object} src The model object which holds all parameters that can be
* mapped.
* @param {object} user The object to convert from camel case to Hungarian.
* @param {boolean} force When set to `true`, properties which already have a
* Hungarian value in the `user` object will be overwritten. Otherwise they
* won't be.
* @memberof DataTable#oApi
*/
function _fnCamelToHungarian ( src, user, force )
{
if ( ! src._hungarianMap ) {
_fnHungarianMap( src );
}
var hungarianKey;
$.each( user, function (key, val) {
hungarianKey = src._hungarianMap[ key ];
if ( hungarianKey !== undefined && (force || user[hungarianKey] === undefined) )
{
// For objects, we need to buzz down into the object to copy parameters
if ( hungarianKey.charAt(0) === 'o' )
{
// Copy the camelCase options over to the hungarian
if ( ! user[ hungarianKey ] ) {
user[ hungarianKey ] = {};
}
$.extend( true, user[hungarianKey], user[key] );
_fnCamelToHungarian( src[hungarianKey], user[hungarianKey], force );
}
else {
user[hungarianKey] = user[ key ];
}
}
} );
}
/**
* Language compatibility - when certain options are given, and others aren't, we
* need to duplicate the values over, in order to provide backwards compatibility
* with older language files.
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnLanguageCompat( lang )
{
var defaults = DataTable.defaults.oLanguage;
var zeroRecords = lang.sZeroRecords;
/* Backwards compatibility - if there is no sEmptyTable given, then use the same as
* sZeroRecords - assuming that is given.
*/
if ( ! lang.sEmptyTable && zeroRecords &&
defaults.sEmptyTable === "No data available in table" )
{
_fnMap( lang, lang, 'sZeroRecords', 'sEmptyTable' );
}
/* Likewise with loading records */
if ( ! lang.sLoadingRecords && zeroRecords &&
defaults.sLoadingRecords === "Loading..." )
{
_fnMap( lang, lang, 'sZeroRecords', 'sLoadingRecords' );
}
// Old parameter name of the thousands separator mapped onto the new
if ( lang.sInfoThousands ) {
lang.sThousands = lang.sInfoThousands;
}
var decimal = lang.sDecimal;
if ( decimal ) {
_addNumericSort( decimal );
}
}
/**
* Map one parameter onto another
* @param {object} o Object to map
* @param {*} knew The new parameter name
* @param {*} old The old parameter name
*/
var _fnCompatMap = function ( o, knew, old ) {
if ( o[ knew ] !== undefined ) {
o[ old ] = o[ knew ];
}
};
/**
* Provide backwards compatibility for the main DT options. Note that the new
* options are mapped onto the old parameters, so this is an external interface
* change only.
* @param {object} init Object to map
*/
function _fnCompatOpts ( init )
{
_fnCompatMap( init, 'ordering', 'bSort' );
_fnCompatMap( init, 'orderMulti', 'bSortMulti' );
_fnCompatMap( init, 'orderClasses', 'bSortClasses' );
_fnCompatMap( init, 'orderCellsTop', 'bSortCellsTop' );
_fnCompatMap( init, 'order', 'aaSorting' );
_fnCompatMap( init, 'orderFixed', 'aaSortingFixed' );
_fnCompatMap( init, 'paging', 'bPaginate' );
_fnCompatMap( init, 'pagingType', 'sPaginationType' );
_fnCompatMap( init, 'pageLength', 'iDisplayLength' );
_fnCompatMap( init, 'searching', 'bFilter' );
// Boolean initialisation of x-scrolling
if ( typeof init.sScrollX === 'boolean' ) {
init.sScrollX = init.sScrollX ? '100%' : '';
}
if ( typeof init.scrollX === 'boolean' ) {
init.scrollX = init.scrollX ? '100%' : '';
}
// Column search objects are in an array, so it needs to be converted
// element by element
var searchCols = init.aoSearchCols;
if ( searchCols ) {
for ( var i=0, ien=searchCols.length ; i<ien ; i++ ) {
if ( searchCols[i] ) {
_fnCamelToHungarian( DataTable.models.oSearch, searchCols[i] );
}
}
}
}
/**
* Provide backwards compatibility for column options. Note that the new options
* are mapped onto the old parameters, so this is an external interface change
* only.
* @param {object} init Object to map
*/
function _fnCompatCols ( init )
{
_fnCompatMap( init, 'orderable', 'bSortable' );
_fnCompatMap( init, 'orderData', 'aDataSort' );
_fnCompatMap( init, 'orderSequence', 'asSorting' );
_fnCompatMap( init, 'orderDataType', 'sortDataType' );
// orderData can be given as an integer
var dataSort = init.aDataSort;
if ( dataSort && ! $.isArray( dataSort ) ) {
init.aDataSort = [ dataSort ];
}
}
/**
* Browser feature detection for capabilities, quirks
* @param {object} settings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnBrowserDetect( settings )
{
// We don't need to do this every time DataTables is constructed, the values
// calculated are specific to the browser and OS configuration which we
// don't expect to change between initialisations
if ( ! DataTable.__browser ) {
var browser = {};
DataTable.__browser = browser;
// Scrolling feature / quirks detection
var n = $('<div/>')
.css( {
position: 'fixed',
top: 0,
left: 0,
height: 1,
width: 1,
overflow: 'hidden'
} )
.append(
$('<div/>')
.css( {
position: 'absolute',
top: 1,
left: 1,
width: 100,
overflow: 'scroll'
} )
.append(
$('<div/>')
.css( {
width: '100%',
height: 10
} )
)
)
.appendTo( 'body' );
var outer = n.children();
var inner = outer.children();
// Numbers below, in order, are:
// inner.offsetWidth, inner.clientWidth, outer.offsetWidth, outer.clientWidth
//
// IE6 XP: 100 100 100 83
// IE7 Vista: 100 100 100 83
// IE 8+ Windows: 83 83 100 83
// Evergreen Windows: 83 83 100 83
// Evergreen Mac with scrollbars: 85 85 100 85
// Evergreen Mac without scrollbars: 100 100 100 100
// Get scrollbar width
browser.barWidth = outer[0].offsetWidth - outer[0].clientWidth;
// IE6/7 will oversize a width 100% element inside a scrolling element, to
// include the width of the scrollbar, while other browsers ensure the inner
// element is contained without forcing scrolling
browser.bScrollOversize = inner[0].offsetWidth === 100 && outer[0].clientWidth !== 100;
// In rtl text layout, some browsers (most, but not all) will place the
// scrollbar on the left, rather than the right.
browser.bScrollbarLeft = Math.round( inner.offset().left ) !== 1;
// IE8- don't provide height and width for getBoundingClientRect
browser.bBounding = n[0].getBoundingClientRect().width ? true : false;
n.remove();
}
$.extend( settings.oBrowser, DataTable.__browser );
settings.oScroll.iBarWidth = DataTable.__browser.barWidth;
}
/**
* Array.prototype reduce[Right] method, used for browsers which don't support
* JS 1.6. Done this way to reduce code size, since we iterate either way
* @param {object} settings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnReduce ( that, fn, init, start, end, inc )
{
var
i = start,
value,
isSet = false;
if ( init !== undefined ) {
value = init;
isSet = true;
}
while ( i !== end ) {
if ( ! that.hasOwnProperty(i) ) {
continue;
}
value = isSet ?
fn( value, that[i], i, that ) :
that[i];
isSet = true;
i += inc;
}
return value;
}
/**
* 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 )
{
// Add column to aoColumns array
var oDefaults = DataTable.defaults.column;
var iCol = oSettings.aoColumns.length;
var oCol = $.extend( {}, DataTable.models.oColumn, oDefaults, {
"nTh": nTh ? nTh : document.createElement('th'),
"sTitle": oDefaults.sTitle ? oDefaults.sTitle : nTh ? nTh.innerHTML : '',
"aDataSort": oDefaults.aDataSort ? oDefaults.aDataSort : [iCol],
"mData": oDefaults.mData ? oDefaults.mData : iCol,
idx: iCol
} );
oSettings.aoColumns.push( oCol );
// Add search object for column specific search. Note that the `searchCols[ iCol ]`
// passed into extend can be undefined. This allows the user to give a default
// with only some of the parameters defined, and also not give a default
var searchCols = oSettings.aoPreSearchCols;
searchCols[ iCol ] = $.extend( {}, DataTable.models.oSearch, searchCols[ iCol ] );
// Use the default column options function to initialise classes etc
_fnColumnOptions( oSettings, iCol, $(nTh).data() );
}
/**
* 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 etc
* @memberof DataTable#oApi
*/
function _fnColumnOptions( oSettings, iCol, oOptions )
{
var oCol = oSettings.aoColumns[ iCol ];
var oClasses = oSettings.oClasses;
var th = $(oCol.nTh);
// Try to get width information from the DOM. We can't get it from CSS
// as we'd need to parse the CSS stylesheet. `width` option can override
if ( ! oCol.sWidthOrig ) {
// Width attribute
oCol.sWidthOrig = th.attr('width') || null;
// Style attribute
var t = (th.attr('style') || '').match(/width:\s*(\d+[pxem%]+)/);
if ( t ) {
oCol.sWidthOrig = t[1];
}
}
/* User specified column options */
if ( oOptions !== undefined && oOptions !== null )
{
// Backwards compatibility
_fnCompatCols( oOptions );
// Map camel case parameters to their Hungarian counterparts
_fnCamelToHungarian( DataTable.defaults.column, oOptions );
/* Backwards compatibility for mDataProp */
if ( oOptions.mDataProp !== undefined && !oOptions.mData )
{
oOptions.mData = oOptions.mDataProp;
}
if ( oOptions.sType )
{
oCol._sManualType = oOptions.sType;
}
// `class` is a reserved word in Javascript, so we need to provide
// the ability to use a valid name for the camel case input
if ( oOptions.className && ! oOptions.sClass )
{
oOptions.sClass = oOptions.className;
}
$.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 */
var mDataSrc = oCol.mData;
var mData = _fnGetObjectDataFn( mDataSrc );
var mRender = oCol.mRender ? _fnGetObjectDataFn( oCol.mRender ) : null;
var attrTest = function( src ) {
return typeof src === 'string' && src.indexOf('@') !== -1;
};
oCol._bAttrSrc = $.isPlainObject( mDataSrc ) && (
attrTest(mDataSrc.sort) || attrTest(mDataSrc.type) || attrTest(mDataSrc.filter)
);
oCol.fnGetData = function (rowData, type, meta) {
var innerData = mData( rowData, type, undefined, meta );
return mRender && type ?
mRender( innerData, type, rowData, meta ) :
innerData;
};
oCol.fnSetData = function ( rowData, val, meta ) {
return _fnSetObjectDataFn( mDataSrc )( rowData, val, meta );
};
// Indicate if DataTables should read DOM data as an object or array
// Used in _fnGetRowElements
if ( typeof mDataSrc !== 'number' ) {
oSettings._rowReadObject = true;
}
/* Feature sorting overrides column specific when off */
if ( !oSettings.oFeatures.bSort )
{
oCol.bSortable = false;
th.addClass( oClasses.sSortableNone ); // Have to add class here as order event isn't called
}
/* Check that the class assignment is correct for sorting */
var bAsc = $.inArray('asc', oCol.asSorting) !== -1;
var bDesc = $.inArray('desc', oCol.asSorting) !== -1;
if ( !oCol.bSortable || (!bAsc && !bDesc) )
{
oCol.sSortingClass = oClasses.sSortableNone;
oCol.sSortingClassJUI = "";
}
else if ( bAsc && !bDesc )
{
oCol.sSortingClass = oClasses.sSortableAsc;
oCol.sSortingClassJUI = oClasses.sSortJUIAscAllowed;
}
else if ( !bAsc && bDesc )
{
oCol.sSortingClass = oClasses.sSortableDesc;
oCol.sSortingClassJUI = oClasses.sSortJUIDescAllowed;
}
else
{
oCol.sSortingClass = oClasses.sSortable;
oCol.sSortingClassJUI = oClasses.sSortJUI;
}
}
/**
* Adjust the table column widths for new data. Note: you would probably want to
* do a redraw after calling this function!
* @param {object} settings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnAdjustColumnSizing ( settings )
{
/* Not interested in doing column width calculation if auto-width is disabled */
if ( settings.oFeatures.bAutoWidth !== false )
{
var columns = settings.aoColumns;
_fnCalculateColumnWidths( settings );
for ( var i=0 , iLen=columns.length ; i<iLen ; i++ )
{
columns[i].nTh.style.width = columns[i].sWidth;
}
}
var scroll = settings.oScroll;
if ( scroll.sY !== '' || scroll.sX !== '')
{
_fnScrollDraw( settings );
}
_fnCallbackFire( settings, null, 'column-sizing', [settings] );
}
/**
* 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 aiVis = _fnGetColumns( oSettings, 'bVisible' );
return typeof aiVis[iMatch] === 'number' ?
aiVis[iMatch] :
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 aiVis = _fnGetColumns( oSettings, 'bVisible' );
var iPos = $.inArray( iMatch, aiVis );
return iPos !== -1 ? iPos : null;
}
/**
* Get the number of visible columns
* @param {object} oSettings dataTables settings object
* @returns {int} i the number of visible columns
* @memberof DataTable#oApi
*/
function _fnVisbleColumns( oSettings )
{
return _fnGetColumns( oSettings, 'bVisible' ).length;
}
/**
* Get an array of column indexes that match a given property
* @param {object} oSettings dataTables settings object
* @param {string} sParam Parameter in aoColumns to look for - typically
* bVisible or bSearchable
* @returns {array} Array of indexes with matched properties
* @memberof DataTable#oApi
*/
function _fnGetColumns( oSettings, sParam )
{
var a = [];
$.map( oSettings.aoColumns, function(val, i) {
if ( val[sParam] ) {
a.push( i );
}
} );
return a;
}
/**
* Calculate the 'type' of a column
* @param {object} settings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnColumnTypes ( settings )
{
var columns = settings.aoColumns;
var data = settings.aoData;
var types = DataTable.ext.type.detect;
var i, ien, j, jen, k, ken;
var col, cell, detectedType, cache;
// For each column, spin over the
for ( i=0, ien=columns.length ; i<ien ; i++ ) {
col = columns[i];
cache = [];
if ( ! col.sType && col._sManualType ) {
col.sType = col._sManualType;
}
else if ( ! col.sType ) {
for ( j=0, jen=types.length ; j<jen ; j++ ) {
for ( k=0, ken=data.length ; k<ken ; k++ ) {
// Use a cache array so we only need to get the type data
// from the formatter once (when using multiple detectors)
if ( cache[k] === undefined ) {
cache[k] = _fnGetCellData( settings, k, i, 'type' );
}
detectedType = types[j]( cache[k], settings );
// If null, then this type can't apply to this column, so
// rather than testing all cells, break out. There is an
// exception for the last type which is `html`. We need to
// scan all rows since it is possible to mix string and HTML
// types
if ( ! detectedType && j !== types.length-1 ) {
break;
}
// Only a single match is needed for html type since it is
// bottom of the pile and very similar to string
if ( detectedType === 'html' ) {
break;
}
}
// Type is valid for all data points in the column - use this
// type
if ( detectedType ) {
col.sType = detectedType;
break;
}
}
// Fall back - if no type was detected, always use string
if ( ! col.sType ) {
col.sType = 'string';
}
}
}
}
/**
* 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, def;
var columns = oSettings.aoColumns;
// 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-- )
{
def = aoColDefs[i];
/* Each definition can target multiple columns, as it is an array */
var aTargets = def.targets !== undefined ?
def.targets :
def.aTargets;
if ( ! $.isArray( aTargets ) )
{
aTargets = [ 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 */