alpaca
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Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide
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JavaScript
/*! 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 */
while( columns.length <= aTargets[j] )
{
_fnAddColumn( oSettings );
}
/* Integer, basic index */
fn( aTargets[j], def );
}
else if ( typeof aTargets[j] === 'number' && aTargets[j] < 0 )
{
/* Negative integer, right to left column counting */
fn( columns.length+aTargets[j], def );
}
else if ( typeof aTargets[j] === 'string' )
{
/* Class name matching on TH element */
for ( k=0, kLen=columns.length ; k<kLen ; k++ )
{
if ( aTargets[j] == "_all" ||
$(columns[k].nTh).hasClass( aTargets[j] ) )
{
fn( k, def );
}
}
}
}
}
}
// 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
* @param {node} [nTr] TR element to add to the table - optional. If not given,
* DataTables will create a row automatically
* @param {array} [anTds] Array of TD|TH elements for the row - must be given
* if nTr is.
* @returns {int} >=0 if successful (index of new aoData entry), -1 if failed
* @memberof DataTable#oApi
*/
function _fnAddData ( oSettings, aDataIn, nTr, anTds )
{
/* Create the object for storing information about this new row */
var iRow = oSettings.aoData.length;
var oData = $.extend( true, {}, DataTable.models.oRow, {
src: nTr ? 'dom' : 'data',
idx: iRow
} );
oData._aData = aDataIn;
oSettings.aoData.push( oData );
/* Create the cells */
var nTd, sThisType;
var columns = oSettings.aoColumns;
// Invalidate the column types as the new data needs to be revalidated
for ( var i=0, iLen=columns.length ; i<iLen ; i++ )
{
columns[i].sType = null;
}
/* Add to the display array */
oSettings.aiDisplayMaster.push( iRow );
var id = oSettings.rowIdFn( aDataIn );
if ( id !== undefined ) {
oSettings.aIds[ id ] = oData;
}
/* Create the DOM information, or register it if already present */
if ( nTr || ! oSettings.oFeatures.bDeferRender )
{
_fnCreateTr( oSettings, iRow, nTr, anTds );
}
return iRow;
}
/**
* Add one or more TR elements to the table. Generally we'd expect to
* use this for reading data from a DOM sourced table, but it could be
* used for an TR element. Note that if a TR is given, it is used (i.e.
* it is not cloned).
* @param {object} settings dataTables settings object
* @param {array|node|jQuery} trs The TR element(s) to add to the table
* @returns {array} Array of indexes for the added rows
* @memberof DataTable#oApi
*/
function _fnAddTr( settings, trs )
{
var row;
// Allow an individual node to be passed in
if ( ! (trs instanceof $) ) {
trs = $(trs);
}
return trs.map( function (i, el) {
row = _fnGetRowElements( settings, el );
return _fnAddData( settings, row.data, el, row.cells );
} );
}
/**
* 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;
}
/**
* Take a TD element and convert it into a column data index (not the visible index)
* @param {object} oSettings dataTables settings object
* @param {int} iRow The row number the TD/TH can be found in
* @param {node} n The TD/TH element to find
* @returns {int} index if the node is found, -1 if not
* @memberof DataTable#oApi
*/
function _fnNodeToColumnIndex( oSettings, iRow, n )
{
return $.inArray( n, oSettings.aoData[ iRow ].anCells );
}
/**
* Get the data for a given cell from the internal cache, taking into account data mapping
* @param {object} settings dataTables settings object
* @param {int} rowIdx aoData row id
* @param {int} colIdx Column index
* @param {string} type data get type ('display', 'type' 'filter' 'sort')
* @returns {*} Cell data
* @memberof DataTable#oApi
*/
function _fnGetCellData( settings, rowIdx, colIdx, type )
{
var draw = settings.iDraw;
var col = settings.aoColumns[colIdx];
var rowData = settings.aoData[rowIdx]._aData;
var defaultContent = col.sDefaultContent;
var cellData = col.fnGetData( rowData, type, {
settings: settings,
row: rowIdx,
col: colIdx
} );
if ( cellData === undefined ) {
if ( settings.iDrawError != draw && defaultContent === null ) {
_fnLog( settings, 0, "Requested unknown parameter "+
(typeof col.mData=='function' ? '{function}' : "'"+col.mData+"'")+
" for row "+rowIdx+", column "+colIdx, 4 );
settings.iDrawError = draw;
}
return defaultContent;
}
/* When the data source is null, we can use default column data */
if ( (cellData === rowData || cellData === null) && defaultContent !== null ) {
cellData = defaultContent;
}
else if ( typeof cellData === 'function' ) {
// If the data source is a function, then we run it and use the return,
// executing in the scope of the data object (for instances)
return cellData.call( rowData );
}
if ( cellData === null && type == 'display' ) {
return '';
}
return cellData;
}
/**
* Set the value for a specific cell, into the internal data cache
* @param {object} settings dataTables settings object
* @param {int} rowIdx aoData row id
* @param {int} colIdx Column index
* @param {*} val Value to set
* @memberof DataTable#oApi
*/
function _fnSetCellData( settings, rowIdx, colIdx, val )
{
var col = settings.aoColumns[colIdx];
var rowData = settings.aoData[rowIdx]._aData;
col.fnSetData( rowData, val, {
settings: settings,
row: rowIdx,
col: colIdx
} );
}
// Private variable that is used to match action syntax in the data property object
var __reArray = /\[.*?\]$/;
var __reFn = /\(\)$/;
/**
* Split string on periods, taking into account escaped periods
* @param {string} str String to split
* @return {array} Split string
*/
function _fnSplitObjNotation( str )
{
return $.map( str.match(/(\\.|[^\.])+/g) || [''], function ( s ) {
return s.replace(/\\./g, '.');
} );
}
/**
* 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 ( $.isPlainObject( mSource ) )
{
/* Build an object of get functions, and wrap them in a single call */
var o = {};
$.each( mSource, function (key, val) {
if ( val ) {
o[key] = _fnGetObjectDataFn( val );
}
} );
return function (data, type, row, meta) {
var t = o[type] || o._;
return t !== undefined ?
t(data, type, row, meta) :
data;
};
}
else if ( mSource === null )
{
/* Give an empty string for rendering / sorting etc */
return function (data) { // type, row and meta also passed, but not used
return data;
};
}
else if ( typeof mSource === 'function' )
{
return function (data, type, row, meta) {
return mSource( data, type, row, meta );
};
}
else if ( typeof mSource === 'string' && (mSource.indexOf('.') !== -1 ||
mSource.indexOf('[') !== -1 || mSource.indexOf('(') !== -1) )
{
/* If there is a . in the source string then the data source is in a
* nested object so we loop over the data for each level to get the next
* level down. On each loop we test for undefined, and if found immediately
* return. This allows entire objects to be missing and sDefaultContent to
* be used if defined, rather than throwing an error
*/
var fetchData = function (data, type, src) {
var arrayNotation, funcNotation, out, innerSrc;
if ( src !== "" )
{
var a = _fnSplitObjNotation( src );
for ( var i=0, iLen=a.length ; i<iLen ; i++ )
{
// Check if we are dealing with special notation
arrayNotation = a[i].match(__reArray);
funcNotation = a[i].match(__reFn);
if ( arrayNotation )
{
// Array notation
a[i] = a[i].replace(__reArray, '');
// Condition allows simply [] to be passed in
if ( a[i] !== "" ) {
data = data[ a[i] ];
}
out = [];
// Get the remainder of the nested object to get
a.splice( 0, i+1 );
innerSrc = a.join('.');
// Traverse each entry in the array getting the properties requested
if ( $.isArray( data ) ) {
for ( var j=0, jLen=data.length ; j<jLen ; j++ ) {
out.push( fetchData( data[j], type, innerSrc ) );
}
}
// If a string is given in between the array notation indicators, that
// is used to join the strings together, otherwise an array is returned
var join = arrayNotation[0].substring(1, arrayNotation[0].length-1);
data = (join==="") ? out : out.join(join);
// The inner call to fetchData has already traversed through the remainder
// of the source requested, so we exit from the loop
break;
}
else if ( funcNotation )
{
// Function call
a[i] = a[i].replace(__reFn, '');
data = data[ a[i] ]();
continue;
}
if ( data === null || data[ a[i] ] === undefined )
{
return undefined;
}
data = data[ a[i] ];
}
}
return data;
};
return function (data, type) { // row and meta also passed, but not used
return fetchData( data, type, mSource );
};
}
else
{
/* Array or flat object mapping */
return function (data, type) { // row and meta also passed, but not used
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 ( $.isPlainObject( mSource ) )
{
/* Unlike get, only the underscore (global) option is used for for
* setting data since we don't know the type here. This is why an object
* option is not documented for `mData` (which is read/write), but it is
* for `mRender` which is read only.
*/
return _fnSetObjectDataFn( mSource._ );
}
else if ( mSource === null )
{
/* Nothing to do when the data source is null */
return function () {};
}
else if ( typeof mSource === 'function' )
{
return function (data, val, meta) {
mSource( data, 'set', val, meta );
};
}
else if ( typeof mSource === 'string' && (mSource.indexOf('.') !== -1 ||
mSource.indexOf('[') !== -1 || mSource.indexOf('(') !== -1) )
{
/* Like the get, we need to get data from a nested object */
var setData = function (data, val, src) {
var a = _fnSplitObjNotation( src ), b;
var aLast = a[a.length-1];
var arrayNotation, funcNotation, o, innerSrc;
for ( var i=0, iLen=a.length-1 ; i<iLen ; i++ )
{
// Check if we are dealing with an array notation request
arrayNotation = a[i].match(__reArray);
funcNotation = a[i].match(__reFn);
if ( arrayNotation )
{
a[i] = a[i].replace(__reArray, '');
data[ a[i] ] = [];
// Get the remainder of the nested object to set so we can recurse
b = a.slice();
b.splice( 0, i+1 );
innerSrc = b.join('.');
// Traverse each entry in the array setting the properties requested
if ( $.isArray( val ) )
{
for ( var j=0, jLen=val.length ; j<jLen ; j++ )
{
o = {};
setData( o, val[j], innerSrc );
data[ a[i] ].push( o );
}
}
else
{
// We've been asked to save data to an array, but it
// isn't array data to be saved. Best that can be done
// is to just save the value.
data[ a[i] ] = val;
}
// The inner call to setData has already traversed through the remainder
// of the source and has set the data, thus we can exit here
return;
}
else if ( funcNotation )
{
// Function call
a[i] = a[i].replace(__reFn, '');
data = data[ a[i] ]( val );
}
// If the nested object doesn't currently exist - since we are
// trying to set the value - create it
if ( data[ a[i] ] === null || data[ a[i] ] === undefined )
{
data[ a[i] ] = {};
}
data = data[ a[i] ];
}
// Last item in the input - i.e, the actual set
if ( aLast.match(__reFn ) )
{
// Function call
data = data[ aLast.replace(__reFn, '') ]( val );
}
else
{
// If array notation is used, we just want to strip it and use the property name
// and assign the value. If it isn't used, then we get the result we want anyway
data[ aLast.replace(__reArray, '') ] = val;
}
};
return function (data, val) { // meta is also passed in, but not used
return setData( data, val, mSource );
};
}
else
{
/* Array or flat object mapping */
return function (data, val) { // meta is also passed in, but not used
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 ( settings )
{
return _pluck( settings.aoData, '_aData' );
}
/**
* Nuke the table
* @param {object} oSettings dataTables settings object
* @memberof DataTable#oApi
*/
function _fnClearTable( settings )
{
settings.aoData.length = 0;
settings.aiDisplayMaster.length = 0;
settings.aiDisplay.length = 0;
settings.aIds = {};
}
/**
* 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, splice )
{
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 && splice === undefined )
{
a.splice( iTargetIndex, 1 );
}
}
/**
* Mark cached data as invalid such that a re-read of the data will occur when
* the cached data is next requested. Also update from the data source object.
*
* @param {object} settings DataTables settings object
* @param {int} rowIdx Row index to invalidate
* @param {string} [src] Source to invalidate from: undefined, 'auto', 'dom'
* or 'data'
* @param {int} [colIdx] Column index to invalidate. If undefined the whole
* row will be invalidated
* @memberof DataTable#oApi
*
* @todo For the modularisation of v1.11 this will need to become a callback, so
* the sort and filter methods can subscribe to it. That will required
* initialisation options for sorting, which is why it is not already baked in
*/
function _fnInvalidate( settings, rowIdx, src, colIdx )
{
var row = settings.aoData[ rowIdx ];
var i, ien;
var cellWrite = function ( cell, col ) {
// This is very frustrating, but in IE if you just write directly
// to innerHTML, and elements that are overwritten are GC'ed,
// even if there is a reference to them elsewhere
while ( cell.childNodes.length ) {
cell.removeChild( cell.firstChild );
}
cell.innerHTML = _fnGetCellData( settings, rowIdx, col, 'display' );
};
// Are we reading last data from DOM or the data object?
if ( src === 'dom' || ((! src || src === 'auto') && row.src === 'dom') ) {
// Read the data from the DOM
row._aData = _fnGetRowElements(
settings, row, colIdx, colIdx === undefined ? undefined : row._aData
)
.data;
}
else {
// Reading from data object, update the DOM
var cells = row.anCells;
if ( cells ) {
if ( colIdx !== undefined ) {
cellWrite( cells[colIdx], colIdx );
}
else {
for ( i=0, ien=cells.length ; i<ien ; i++ ) {
cellWrite( cells[i], i );
}
}
}
}
// For both row and cell invalidation, the cached data for sorting and
// filtering is nulled out
row._aSortData = null;
row._aFilterData = null;
// Invalidate the type for a specific column (if given) or all columns since
// the data might have changed
var cols = settings.aoColumns;
if ( colIdx !== undefined ) {
cols[ colIdx ].sType = null;
}
else {
for ( i=0, ien=cols.length ; i<ien ; i++ ) {
cols[i].sType = null;
}
// Update DataTables special `DT_*` attributes for the row
_fnRowAttributes( settings, row );
}
}
/**
* Build a data source object from an HTML row, reading the contents of the
* cells that are in the row.
*
* @param {object} settings DataTables settings object
* @param {node|object} TR element from which to read data or existing row
* object from which to re-read the data from the cells
* @param {int} [colIdx] Optional column index
* @param {array|object} [d] Data source object. If `colIdx` is given then this
* parameter should also be given and will be used to write the data into.
* Only the column in question will be written
* @returns {object} Object with two parameters: `data` the data read, in
* document order, and `cells` and array of nodes (they can be useful to the
* caller, so rather than needing a second traversal to get them, just return
* them from here).
* @memberof DataTable#oApi
*/
function _fnGetRowElements( settings, row, colIdx, d )
{
var
tds = [],
td = row.firstChild,
name, col, o, i=0, contents,
columns = settings.aoColumns,
objectRead = settings._rowReadObject;
// Allow the data object to be passed in, or construct
d = d !== undefined ?
d :
objectRead ?
{} :
[];
var attr = function ( str, td ) {
if ( typeof str === 'string' ) {
var idx = str.indexOf('@');
if ( idx !== -1 ) {
var attr = str.substring( idx+1 );
var setter = _fnSetObjectDataFn( str );
setter( d, td.getAttribute( attr ) );
}
}
};
// Read data from a cell and store into the data object
var cellProcess = function ( cell ) {
if ( colIdx === undefined || colIdx === i ) {
col = columns[i];
contents = $.trim(cell.innerHTML);
if ( col && col._bAttrSrc ) {
var setter = _fnSetObjectDataFn( col.mData._ );
setter( d, contents );
attr( col.mData.sort, cell );
attr( col.mData.type, cell );
attr( col.mData.filter, cell );
}
else {
// Depending on the `data` option for the columns the data can
// be read to either an object or an array.
if ( objectRead ) {
if ( ! col._setter ) {
// Cache the setter function
col._setter = _fnSetObjectDataFn( col.mData );
}
col._setter( d, contents );
}
else {
d[i] = contents;
}
}
}
i++;
};
if ( td ) {
// `tr` element was passed in
while ( td ) {
name = td.nodeName.toUpperCase();
if ( name == "TD" || name == "TH" ) {
cellProcess( td );
tds.push( td );
}
td = td.nextSibling;
}
}
else {
// Existing row object passed in
tds = row.anCells;
for ( var j=0, jen=tds.length ; j<jen ; j++ ) {
cellProcess( tds[j] );
}
}
// Read the ID from the DOM if present
var rowNode = row.firstChild ? row : row.nTr;
if ( rowNode ) {
var id = rowNode.getAttribute( 'id' );
if ( id ) {
_fnSetObjectDataFn( settings.rowId )( d, id )