/**
* DataTables extension options and plug-ins. This namespace acts as a collection "area"
* for plug-ins that can be used to extend the default DataTables behaviour - indeed many
* of the build in methods use this method to provide their own capabilities (sorting methods
* for example).
*
* Note that this namespace is aliased to jQuery.fn.dataTableExt so it can be readily accessed
* and modified by plug-ins.
* @namespace
*/
DataTable.models.ext = {
/**
* Plug-in filtering functions - this method of filtering is complimentary to the default
* type based filtering, and a lot more comprehensive as it allows you complete control
* over the filtering logic. Each element in this array is a function (parameters
* described below) that is called for every row in the table, and your logic decides if
* it should be included in the filtered data set or not.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{array|object} Data for the row to be processed (same as the original format
* that was passed in as the data source, or an array from a DOM data source</li>
* <li>{int} Row index in aoData ({@link DataTable.models.oSettings.aoData}), which can
* be useful to retrieve the TR element if you need DOM interaction.</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{boolean} Include the row in the filtered result set (true) or not (false)</li>
* </ul>
* </il>
* </ul>
* @type array
* @default []
*
* @example
* // The following example shows custom filtering being applied to the fourth column (i.e.
* // the aData[3] index) based on two input values from the end-user, matching the data in
* // a certain range.
* $.fn.dataTableExt.afnFiltering.push(
* function( oSettings, aData, iDataIndex ) {
* var iMin = document.getElementById('min').value * 1;
* var iMax = document.getElementById('max').value * 1;
* var iVersion = aData[3] == "-" ? 0 : aData[3]*1;
* if ( iMin == "" && iMax == "" ) {
* return true;
* }
* else if ( iMin == "" && iVersion < iMax ) {
* return true;
* }
* else if ( iMin < iVersion && "" == iMax ) {
* return true;
* }
* else if ( iMin < iVersion && iVersion < iMax ) {
* return true;
* }
* return false;
* }
* );
*/
"afnFiltering": [],
/**
* Plug-in sorting functions - this method of sorting is complimentary to the default type
* based sorting that DataTables does automatically, allowing much greater control over the
* the data that is being used to sort a column. This is useful if you want to do sorting
* based on live data (for example the contents of an 'input' element) rather than just the
* static string that DataTables knows of. The way these plug-ins work is that you create
* an array of the values you wish to be sorted for the column in question and then return
* that array. Which pre-sorting function is run here depends on the sSortDataType parameter
* that is used for the column (if any). This is the corollary of <i>ofnSearch</i> for sort
* data.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{int} Target column index</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{array} Data for the column to be sorted upon</li>
* </ul>
* </il>
* </ul>
*
* Note that as of v1.9, it is typically preferable to use <i>mData</i> to prepare data for
* the different uses that DataTables can put the data to. Specifically <i>mData</i> when
* used as a function will give you a 'type' (sorting, filtering etc) that you can use to
* prepare the data as required for the different types. As such, this method is deprecated.
* @type array
* @default []
* @deprecated
*
* @example
* // Updating the cached sorting information with user entered values in HTML input elements
* jQuery.fn.dataTableExt.afnSortData['dom-text'] = function ( oSettings, iColumn )
* {
* var aData = [];
* $( 'td:eq('+iColumn+') input', oSettings.oApi._fnGetTrNodes(oSettings) ).each( function () {
* aData.push( this.value );
* } );
* return aData;
* }
*/
"afnSortData": [],
/**
* Feature plug-ins - This is an array of objects which describe the feature plug-ins that are
* available to DataTables. These feature plug-ins are accessible through the sDom initialisation
* option. As such, each feature plug-in must describe a function that is used to initialise
* itself (fnInit), a character so the feature can be enabled by sDom (cFeature) and the name
* of the feature (sFeature). Thus the objects attached to this method must provide:
* <ul>
* <li>{function} fnInit Initialisation of the plug-in
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{node|null} The element which contains your feature. Note that the return
* may also be void if your plug-in does not require to inject any DOM elements
* into DataTables control (sDom) - for example this might be useful when
* developing a plug-in which allows table control via keyboard entry.</li>
* </ul>
* </il>
* </ul>
* </li>
* <li>{character} cFeature Character that will be matched in sDom - case sensitive</li>
* <li>{string} sFeature Feature name</li>
* </ul>
* @type array
* @default []
*
* @example
* // How TableTools initialises itself.
* $.fn.dataTableExt.aoFeatures.push( {
* "fnInit": function( oSettings ) {
* return new TableTools( { "oDTSettings": oSettings } );
* },
* "cFeature": "T",
* "sFeature": "TableTools"
* } );
*/
"aoFeatures": [],
/**
* Type detection plug-in functions - DataTables utilises types to define how sorting and
* filtering behave, and types can be either be defined by the developer (sType for the
* column) or they can be automatically detected by the methods in this array. The functions
* defined in the array are quite simple, taking a single parameter (the data to analyse)
* and returning the type if it is a known type, or null otherwise.
*
* * Function input parameters:
* * {*} Data from the column cell to be analysed
* * Function return:
* * {string|null} Data type detected, or null if unknown (and thus pass it
* on to the other type detection functions.
*
* @type array
* @default []
*
* @example
* // Currency type detection plug-in:
* jQuery.fn.dataTableExt.aTypes.push(
* function ( data ) {
* // Check the numeric part
* if ( ! $.isNumeric( data.substring(1) ) ) {
* return null;
* }
*
* // Check prefixed by currency
* if ( data.charAt(0) == '$' || data.charAt(0) == '£' ) {
* return 'currency';
* }
* return null;
* }
* );
*/
"aTypes": [],
/**
* Provide a common method for plug-ins to check the version of DataTables being used,
* in order to ensure compatibility.
* @type function
* @param {string} sVersion Version string to check for, in the format "X.Y.Z". Note
* that the formats "X" and "X.Y" are also acceptable.
* @returns {boolean} true if this version of DataTables is greater or equal to the
* required version, or false if this version of DataTales is not suitable
*
* @example
* $(document).ready(function() {
* var oTable = $('#example').dataTable();
* alert( oTable.fnVersionCheck( '1.9.0' ) );
* } );
*/
"fnVersionCheck": DataTable.fnVersionCheck,
/**
* Index for what 'this' index API functions should use
* @type int
* @default 0
*/
"iApiIndex": 0,
/**
* Pre-processing of filtering data plug-ins - When you assign the sType for a column
* (or have it automatically detected for you by DataTables or a type detection plug-in),
* you will typically be using this for custom sorting, but it can also be used to provide
* custom filtering by allowing you to pre-processing the data and returning the data in
* the format that should be filtered upon. This is done by adding functions this object
* with a parameter name which matches the sType for that target column. This is the
* corollary of <i>afnSortData</i> for filtering data.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{*} Data from the column cell to be prepared for filtering</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{string|null} Formatted string that will be used for the filtering.</li>
* </ul>
* </il>
* </ul>
*
* Note that as of v1.9, it is typically preferable to use <i>mData</i> to prepare data for
* the different uses that DataTables can put the data to. Specifically <i>mData</i> when
* used as a function will give you a 'type' (sorting, filtering etc) that you can use to
* prepare the data as required for the different types. As such, this method is deprecated.
* @type object
* @default {}
* @deprecated
*
* @example
* $.fn.dataTableExt.ofnSearch['title-numeric'] = function ( sData ) {
* return sData.replace(/\n/g," ").replace( /<.*?>/g, "" );
* }
*/
"ofnSearch": {},
/**
* Container for all private functions in DataTables so they can be exposed externally
* @type object
* @default {}
*/
"oApi": {},
/**
* Storage for the various classes that DataTables uses
* @type object
* @default {}
*/
"oStdClasses": {},
/**
* Storage for the various classes that DataTables uses - jQuery UI suitable
* @type object
* @default {}
*/
"oJUIClasses": {},
/**
* Pagination plug-in methods - The style and controls of the pagination can significantly
* impact on how the end user interacts with the data in your table, and DataTables allows
* the addition of pagination controls by extending this object, which can then be enabled
* through the <i>sPaginationType</i> initialisation parameter. Each pagination type that
* is added is an object (the property name of which is what <i>sPaginationType</i> refers
* to) that has two properties, both methods that are used by DataTables to update the
* control's state.
* <ul>
* <li>
* fnInit - Initialisation of the paging controls. Called only during initialisation
* of the table. It is expected that this function will add the required DOM elements
* to the page for the paging controls to work. The element pointer
* 'oSettings.aanFeatures.p' array is provided by DataTables to contain the paging
* controls (note that this is a 2D array to allow for multiple instances of each
* DataTables DOM element). It is suggested that you add the controls to this element
* as children
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{node} Container into which the pagination controls must be inserted</li>
* <li>{function} Draw callback function - whenever the controls cause a page
* change, this method must be called to redraw the table.</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>No return required</li>
* </ul>
* </il>
* </ul>
* </il>
* <li>
* fnInit - This function is called whenever the paging status of the table changes and is
* typically used to update classes and/or text of the paging controls to reflex the new
* status.
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{object} DataTables settings object: see {@link DataTable.models.oSettings}.</li>
* <li>{function} Draw callback function - in case you need to redraw the table again
* or attach new event listeners</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>No return required</li>
* </ul>
* </il>
* </ul>
* </il>
* </ul>
* @type object
* @default {}
*
* @example
* $.fn.dataTableExt.oPagination.four_button = {
* "fnInit": function ( oSettings, nPaging, fnCallbackDraw ) {
* nFirst = document.createElement( 'span' );
* nPrevious = document.createElement( 'span' );
* nNext = document.createElement( 'span' );
* nLast = document.createElement( 'span' );
*
* nFirst.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sFirst ) );
* nPrevious.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sPrevious ) );
* nNext.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sNext ) );
* nLast.appendChild( document.createTextNode( oSettings.oLanguage.oPaginate.sLast ) );
*
* nFirst.className = "paginate_button first";
* nPrevious.className = "paginate_button previous";
* nNext.className="paginate_button next";
* nLast.className = "paginate_button last";
*
* nPaging.appendChild( nFirst );
* nPaging.appendChild( nPrevious );
* nPaging.appendChild( nNext );
* nPaging.appendChild( nLast );
*
* $(nFirst).click( function () {
* oSettings.oApi._fnPageChange( oSettings, "first" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nPrevious).click( function() {
* oSettings.oApi._fnPageChange( oSettings, "previous" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nNext).click( function() {
* oSettings.oApi._fnPageChange( oSettings, "next" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nLast).click( function() {
* oSettings.oApi._fnPageChange( oSettings, "last" );
* fnCallbackDraw( oSettings );
* } );
*
* $(nFirst).bind( 'selectstart', function () { return false; } );
* $(nPrevious).bind( 'selectstart', function () { return false; } );
* $(nNext).bind( 'selectstart', function () { return false; } );
* $(nLast).bind( 'selectstart', function () { return false; } );
* },
*
* "fnUpdate": function ( oSettings, fnCallbackDraw ) {
* if ( !oSettings.aanFeatures.p ) {
* return;
* }
*
* // Loop over each instance of the pager
* var an = oSettings.aanFeatures.p;
* for ( var i=0, iLen=an.length ; i<iLen ; i++ ) {
* var buttons = an[i].getElementsByTagName('span');
* if ( oSettings._iDisplayStart === 0 ) {
* buttons[0].className = "paginate_disabled_previous";
* buttons[1].className = "paginate_disabled_previous";
* }
* else {
* buttons[0].className = "paginate_enabled_previous";
* buttons[1].className = "paginate_enabled_previous";
* }
*
* if ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) {
* buttons[2].className = "paginate_disabled_next";
* buttons[3].className = "paginate_disabled_next";
* }
* else {
* buttons[2].className = "paginate_enabled_next";
* buttons[3].className = "paginate_enabled_next";
* }
* }
* }
* };
*/
"oPagination": {},
/**
* Sorting plug-in methods - Sorting in DataTables is based on the detected type of the
* data column (you can add your own type detection functions, or override automatic
* detection using sType). With this specific type given to the column, DataTables will
* apply the required sort from the functions in the object. Each sort type must provide
* two mandatory methods, one each for ascending and descending sorting, and can optionally
* provide a pre-formatting method that will help speed up sorting by allowing DataTables
* to pre-format the sort data only once (rather than every time the actual sort functions
* are run). The two sorting functions are typical Javascript sort methods:
* <ul>
* <li>
* Function input parameters:
* <ul>
* <li>{*} Data to compare to the second parameter</li>
* <li>{*} Data to compare to the first parameter</li>
* </ul>
* </li>
* <li>
* Function return:
* <ul>
* <li>{int} Sorting match: <0 if first parameter should be sorted lower than
* the second parameter, ===0 if the two parameters are equal and >0 if
* the first parameter should be sorted height than the second parameter.</li>
* </ul>
* </il>
* </ul>
* @type object
* @default {}
*
* @example
* // Case-sensitive string sorting, with no pre-formatting method
* $.extend( $.fn.dataTableExt.oSort, {
* "string-case-asc": function(x,y) {
* return ((x < y) ? -1 : ((x > y) ? 1 : 0));
* },
* "string-case-desc": function(x,y) {
* return ((x < y) ? 1 : ((x > y) ? -1 : 0));
* }
* } );
*
* @example
* // Case-insensitive string sorting, with pre-formatting
* $.extend( $.fn.dataTableExt.oSort, {
* "string-pre": function(x) {
* return x.toLowerCase();
* },
* "string-asc": function(x,y) {
* return ((x < y) ? -1 : ((x > y) ? 1 : 0));
* },
* "string-desc": function(x,y) {
* return ((x < y) ? 1 : ((x > y) ? -1 : 0));
* }
* } );
*/
"oSort": {},
/**
* Version string for plug-ins to check compatibility. Allowed format is
* a.b.c.d.e where: a:int, b:int, c:int, d:string(dev|beta), e:int. d and
* e are optional
* @type string
* @default Version number
*/
"sVersion": DataTable.version,
/**
* How should DataTables report an error. Can take the value 'alert' or 'throw'
* @type string
* @default alert
*/
"sErrMode": "alert",
/**
* Store information for DataTables to access globally about other instances
* @namespace
* @private
*/
"_oExternConfig": {
/* int:iNextUnique - next unique number for an instance */
"iNextUnique": 0
}
};
|
Download
