mirror of
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1029 lines
29 KiB
JavaScript
1029 lines
29 KiB
JavaScript
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/*! FixedHeader 2.1.2
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* ©2010-2014 SpryMedia Ltd - datatables.net/license
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*/
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/**
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* @summary FixedHeader
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* @description Fix a table's header or footer, so it is always visible while
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* Scrolling
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* @version 2.1.2
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* @file dataTables.fixedHeader.js
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* @author SpryMedia Ltd (www.sprymedia.co.uk)
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* @contact www.sprymedia.co.uk/contact
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* @copyright Copyright 2009-2014 SpryMedia Ltd.
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*
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* This source file is free software, available under the following license:
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* MIT license - http://datatables.net/license/mit
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*
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* This source file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
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*
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* For details please refer to: http://www.datatables.net
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*/
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/* Global scope for FixedColumns for backwards compatibility - will be removed
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* in future. Not documented in 1.1.x.
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*/
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/* Global scope for FixedColumns */
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var FixedHeader;
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(function(window, document, undefined) {
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var factory = function( $, DataTable ) {
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"use strict";
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/*
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* Function: FixedHeader
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* Purpose: Provide 'fixed' header, footer and columns for a DataTable
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* Returns: object:FixedHeader - must be called with 'new'
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* Inputs: mixed:mTable - target table
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* @param {object} dt DataTables instance or HTML table node. With DataTables
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* 1.10 this can also be a jQuery collection (with just a single table in its
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* result set), a jQuery selector, DataTables API instance or settings
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* object.
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* @param {object} [oInit] initialisation settings, with the following
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* properties (each optional)
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* * bool:top - fix the header (default true)
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* * bool:bottom - fix the footer (default false)
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* * int:left - fix the left column(s) (default 0)
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* * int:right - fix the right column(s) (default 0)
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* * int:zTop - fixed header zIndex
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* * int:zBottom - fixed footer zIndex
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* * int:zLeft - fixed left zIndex
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* * int:zRight - fixed right zIndex
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*/
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FixedHeader = function ( mTable, oInit ) {
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/* Sanity check - you just know it will happen */
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if ( ! this instanceof FixedHeader )
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{
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alert( "FixedHeader warning: FixedHeader must be initialised with the 'new' keyword." );
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return;
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}
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var that = this;
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var oSettings = {
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"aoCache": [],
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"oSides": {
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"top": true,
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"bottom": false,
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"left": 0,
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"right": 0
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},
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"oZIndexes": {
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"top": 104,
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"bottom": 103,
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"left": 102,
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"right": 101
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},
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"oCloneOnDraw": {
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"top": false,
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"bottom": false,
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"left": true,
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"right": true
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},
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"oMes": {
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"iTableWidth": 0,
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"iTableHeight": 0,
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"iTableLeft": 0,
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"iTableRight": 0, /* note this is left+width, not actually "right" */
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"iTableTop": 0,
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"iTableBottom": 0 /* note this is top+height, not actually "bottom" */
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},
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"oOffset": {
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"top": 0
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},
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"nTable": null,
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"bFooter": false,
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"bInitComplete": false
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};
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/*
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* Function: fnGetSettings
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* Purpose: Get the settings for this object
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* Returns: object: - settings object
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* Inputs: -
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*/
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this.fnGetSettings = function () {
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return oSettings;
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};
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/*
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* Function: fnUpdate
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* Purpose: Update the positioning and copies of the fixed elements
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* Returns: -
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* Inputs: -
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*/
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this.fnUpdate = function () {
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this._fnUpdateClones();
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this._fnUpdatePositions();
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};
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/*
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* Function: fnPosition
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* Purpose: Update the positioning of the fixed elements
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* Returns: -
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* Inputs: -
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*/
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this.fnPosition = function () {
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this._fnUpdatePositions();
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};
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var dt = $.fn.dataTable.Api ?
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new $.fn.dataTable.Api( mTable ).settings()[0] :
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mTable.fnSettings();
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dt._oPluginFixedHeader = this;
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/* Let's do it */
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this.fnInit( dt, oInit );
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};
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/*
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* Variable: FixedHeader
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* Purpose: Prototype for FixedHeader
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* Scope: global
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*/
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FixedHeader.prototype = {
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Initialisation
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*/
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/*
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* Function: fnInit
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* Purpose: The "constructor"
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* Returns: -
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* Inputs: {as FixedHeader function}
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*/
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fnInit: function ( oDtSettings, oInit )
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{
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var s = this.fnGetSettings();
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var that = this;
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/* Record the user definable settings */
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this.fnInitSettings( s, oInit );
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if ( oDtSettings.oScroll.sX !== "" || oDtSettings.oScroll.sY !== "" )
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{
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alert( "FixedHeader 2 is not supported with DataTables' scrolling mode at this time" );
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return;
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}
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s.nTable = oDtSettings.nTable;
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oDtSettings.aoDrawCallback.unshift( {
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"fn": function () {
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FixedHeader.fnMeasure();
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that._fnUpdateClones.call(that);
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that._fnUpdatePositions.call(that);
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},
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"sName": "FixedHeader"
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} );
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s.bFooter = ($('>tfoot', s.nTable).length > 0) ? true : false;
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/* Add the 'sides' that are fixed */
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if ( s.oSides.top )
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{
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s.aoCache.push( that._fnCloneTable( "fixedHeader", "FixedHeader_Header", that._fnCloneThead ) );
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}
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if ( s.oSides.bottom )
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{
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s.aoCache.push( that._fnCloneTable( "fixedFooter", "FixedHeader_Footer", that._fnCloneTfoot ) );
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}
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if ( s.oSides.left )
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{
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s.aoCache.push( that._fnCloneTable( "fixedLeft", "FixedHeader_Left", that._fnCloneTLeft, s.oSides.left ) );
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}
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if ( s.oSides.right )
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{
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s.aoCache.push( that._fnCloneTable( "fixedRight", "FixedHeader_Right", that._fnCloneTRight, s.oSides.right ) );
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}
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/* Event listeners for window movement */
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FixedHeader.afnScroll.push( function () {
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that._fnUpdatePositions.call(that);
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} );
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$(window).resize( function () {
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FixedHeader.fnMeasure();
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that._fnUpdateClones.call(that);
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that._fnUpdatePositions.call(that);
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} );
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$(s.nTable)
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.on('column-reorder.dt', function () {
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FixedHeader.fnMeasure();
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that._fnUpdateClones( true );
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that._fnUpdatePositions();
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} )
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.on('column-visibility.dt', function () {
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FixedHeader.fnMeasure();
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that._fnUpdateClones( true );
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that._fnUpdatePositions();
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} );
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/* Get things right to start with */
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FixedHeader.fnMeasure();
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that._fnUpdateClones();
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that._fnUpdatePositions();
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s.bInitComplete = true;
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},
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Support functions
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*/
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/*
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* Function: fnInitSettings
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* Purpose: Take the user's settings and copy them to our local store
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* Returns: -
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* Inputs: object:s - the local settings object
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* object:oInit - the user's settings object
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*/
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fnInitSettings: function ( s, oInit )
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{
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if ( oInit !== undefined )
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{
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if ( oInit.top !== undefined ) {
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s.oSides.top = oInit.top;
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}
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if ( oInit.bottom !== undefined ) {
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s.oSides.bottom = oInit.bottom;
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}
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if ( typeof oInit.left == 'boolean' ) {
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s.oSides.left = oInit.left ? 1 : 0;
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}
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else if ( oInit.left !== undefined ) {
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s.oSides.left = oInit.left;
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}
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if ( typeof oInit.right == 'boolean' ) {
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s.oSides.right = oInit.right ? 1 : 0;
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}
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else if ( oInit.right !== undefined ) {
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s.oSides.right = oInit.right;
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}
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if ( oInit.zTop !== undefined ) {
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s.oZIndexes.top = oInit.zTop;
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}
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if ( oInit.zBottom !== undefined ) {
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s.oZIndexes.bottom = oInit.zBottom;
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}
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if ( oInit.zLeft !== undefined ) {
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s.oZIndexes.left = oInit.zLeft;
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}
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if ( oInit.zRight !== undefined ) {
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s.oZIndexes.right = oInit.zRight;
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}
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if ( oInit.offsetTop !== undefined ) {
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s.oOffset.top = oInit.offsetTop;
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}
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if ( oInit.alwaysCloneTop !== undefined ) {
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s.oCloneOnDraw.top = oInit.alwaysCloneTop;
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}
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if ( oInit.alwaysCloneBottom !== undefined ) {
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s.oCloneOnDraw.bottom = oInit.alwaysCloneBottom;
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}
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if ( oInit.alwaysCloneLeft !== undefined ) {
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s.oCloneOnDraw.left = oInit.alwaysCloneLeft;
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}
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if ( oInit.alwaysCloneRight !== undefined ) {
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s.oCloneOnDraw.right = oInit.alwaysCloneRight;
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}
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}
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},
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/*
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* Function: _fnCloneTable
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* Purpose: Clone the table node and do basic initialisation
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* Returns: -
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* Inputs: -
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*/
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_fnCloneTable: function ( sType, sClass, fnClone, iCells )
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{
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var s = this.fnGetSettings();
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var nCTable;
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/* We know that the table _MUST_ has a DIV wrapped around it, because this is simply how
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* DataTables works. Therefore, we can set this to be relatively position (if it is not
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* alreadu absolute, and use this as the base point for the cloned header
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*/
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if ( $(s.nTable.parentNode).css('position') != "absolute" )
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{
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s.nTable.parentNode.style.position = "relative";
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}
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/* Just a shallow clone will do - we only want the table node */
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nCTable = s.nTable.cloneNode( false );
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nCTable.removeAttribute( 'id' );
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var nDiv = document.createElement( 'div' );
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nDiv.style.position = "absolute";
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nDiv.style.top = "0px";
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nDiv.style.left = "0px";
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nDiv.className += " FixedHeader_Cloned "+sType+" "+sClass;
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/* Set the zIndexes */
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if ( sType == "fixedHeader" )
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{
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nDiv.style.zIndex = s.oZIndexes.top;
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}
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if ( sType == "fixedFooter" )
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{
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nDiv.style.zIndex = s.oZIndexes.bottom;
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}
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if ( sType == "fixedLeft" )
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{
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nDiv.style.zIndex = s.oZIndexes.left;
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}
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else if ( sType == "fixedRight" )
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{
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nDiv.style.zIndex = s.oZIndexes.right;
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}
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/* remove margins since we are going to position it absolutely */
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nCTable.style.margin = "0";
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/* Insert the newly cloned table into the DOM, on top of the "real" header */
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nDiv.appendChild( nCTable );
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document.body.appendChild( nDiv );
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return {
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"nNode": nCTable,
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"nWrapper": nDiv,
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"sType": sType,
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"sPosition": "",
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"sTop": "",
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"sLeft": "",
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"fnClone": fnClone,
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"iCells": iCells
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};
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},
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|
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/*
|
||
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* Function: _fnMeasure
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||
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* Purpose: Get the current positioning of the table in the DOM
|
||
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* Returns: -
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||
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* Inputs: -
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||
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*/
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||
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_fnMeasure: function ()
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||
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{
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var
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s = this.fnGetSettings(),
|
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m = s.oMes,
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||
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jqTable = $(s.nTable),
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||
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oOffset = jqTable.offset(),
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iParentScrollTop = this._fnSumScroll( s.nTable.parentNode, 'scrollTop' ),
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iParentScrollLeft = this._fnSumScroll( s.nTable.parentNode, 'scrollLeft' );
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|
|
|
||
|
|
m.iTableWidth = jqTable.outerWidth();
|
||
|
|
m.iTableHeight = jqTable.outerHeight();
|
||
|
|
m.iTableLeft = oOffset.left + s.nTable.parentNode.scrollLeft;
|
||
|
|
m.iTableTop = oOffset.top + iParentScrollTop;
|
||
|
|
m.iTableRight = m.iTableLeft + m.iTableWidth;
|
||
|
|
m.iTableRight = FixedHeader.oDoc.iWidth - m.iTableLeft - m.iTableWidth;
|
||
|
|
m.iTableBottom = FixedHeader.oDoc.iHeight - m.iTableTop - m.iTableHeight;
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnSumScroll
|
||
|
|
* Purpose: Sum node parameters all the way to the top
|
||
|
|
* Returns: int: sum
|
||
|
|
* Inputs: node:n - node to consider
|
||
|
|
* string:side - scrollTop or scrollLeft
|
||
|
|
*/
|
||
|
|
_fnSumScroll: function ( n, side )
|
||
|
|
{
|
||
|
|
var i = n[side];
|
||
|
|
while ( n = n.parentNode )
|
||
|
|
{
|
||
|
|
if ( n.nodeName == 'HTML' || n.nodeName == 'BODY' )
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
i = n[side];
|
||
|
|
}
|
||
|
|
return i;
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnUpdatePositions
|
||
|
|
* Purpose: Loop over the fixed elements for this table and update their positions
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: -
|
||
|
|
*/
|
||
|
|
_fnUpdatePositions: function ()
|
||
|
|
{
|
||
|
|
var s = this.fnGetSettings();
|
||
|
|
this._fnMeasure();
|
||
|
|
|
||
|
|
for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
|
||
|
|
{
|
||
|
|
if ( s.aoCache[i].sType == "fixedHeader" )
|
||
|
|
{
|
||
|
|
this._fnScrollFixedHeader( s.aoCache[i] );
|
||
|
|
}
|
||
|
|
else if ( s.aoCache[i].sType == "fixedFooter" )
|
||
|
|
{
|
||
|
|
this._fnScrollFixedFooter( s.aoCache[i] );
|
||
|
|
}
|
||
|
|
else if ( s.aoCache[i].sType == "fixedLeft" )
|
||
|
|
{
|
||
|
|
this._fnScrollHorizontalLeft( s.aoCache[i] );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
this._fnScrollHorizontalRight( s.aoCache[i] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnUpdateClones
|
||
|
|
* Purpose: Loop over the fixed elements for this table and call their cloning functions
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: -
|
||
|
|
*/
|
||
|
|
_fnUpdateClones: function ( full )
|
||
|
|
{
|
||
|
|
var s = this.fnGetSettings();
|
||
|
|
|
||
|
|
if ( full ) {
|
||
|
|
// This is a little bit of a hack to force a full clone draw. When
|
||
|
|
// `full` is set to true, we want to reclone the source elements,
|
||
|
|
// regardless of the clone-on-draw settings
|
||
|
|
s.bInitComplete = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
|
||
|
|
{
|
||
|
|
s.aoCache[i].fnClone.call( this, s.aoCache[i] );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( full ) {
|
||
|
|
s.bInitComplete = true;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
|
|
* Scrolling functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnScrollHorizontalLeft
|
||
|
|
* Purpose: Update the positioning of the scrolling elements
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnScrollHorizontalRight: function ( oCache )
|
||
|
|
{
|
||
|
|
var
|
||
|
|
s = this.fnGetSettings(),
|
||
|
|
oMes = s.oMes,
|
||
|
|
oWin = FixedHeader.oWin,
|
||
|
|
oDoc = FixedHeader.oDoc,
|
||
|
|
nTable = oCache.nWrapper,
|
||
|
|
iFixedWidth = $(nTable).outerWidth();
|
||
|
|
|
||
|
|
if ( oWin.iScrollRight < oMes.iTableRight )
|
||
|
|
{
|
||
|
|
/* Fully right aligned */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iFixedWidth)+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else if ( oMes.iTableLeft < oDoc.iWidth-oWin.iScrollRight-iFixedWidth )
|
||
|
|
{
|
||
|
|
/* Middle */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', (oWin.iWidth-iFixedWidth)+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Fully left aligned */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnScrollHorizontalLeft
|
||
|
|
* Purpose: Update the positioning of the scrolling elements
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnScrollHorizontalLeft: function ( oCache )
|
||
|
|
{
|
||
|
|
var
|
||
|
|
s = this.fnGetSettings(),
|
||
|
|
oMes = s.oMes,
|
||
|
|
oWin = FixedHeader.oWin,
|
||
|
|
oDoc = FixedHeader.oDoc,
|
||
|
|
nTable = oCache.nWrapper,
|
||
|
|
iCellWidth = $(nTable).outerWidth();
|
||
|
|
|
||
|
|
if ( oWin.iScrollLeft < oMes.iTableLeft )
|
||
|
|
{
|
||
|
|
/* Fully left align */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else if ( oWin.iScrollLeft < oMes.iTableLeft+oMes.iTableWidth-iCellWidth )
|
||
|
|
{
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', "0px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Fully right align */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iCellWidth)+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnScrollFixedFooter
|
||
|
|
* Purpose: Update the positioning of the scrolling elements
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnScrollFixedFooter: function ( oCache )
|
||
|
|
{
|
||
|
|
var
|
||
|
|
s = this.fnGetSettings(),
|
||
|
|
oMes = s.oMes,
|
||
|
|
oWin = FixedHeader.oWin,
|
||
|
|
oDoc = FixedHeader.oDoc,
|
||
|
|
nTable = oCache.nWrapper,
|
||
|
|
iTheadHeight = $("thead", s.nTable).outerHeight(),
|
||
|
|
iCellHeight = $(nTable).outerHeight();
|
||
|
|
|
||
|
|
if ( oWin.iScrollBottom < oMes.iTableBottom )
|
||
|
|
{
|
||
|
|
/* Below */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+oMes.iTableHeight-iCellHeight)+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else if ( oWin.iScrollBottom < oMes.iTableBottom+oMes.iTableHeight-iCellHeight-iTheadHeight )
|
||
|
|
{
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', (oWin.iHeight-iCellHeight)+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Above */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iCellHeight)+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnScrollFixedHeader
|
||
|
|
* Purpose: Update the positioning of the scrolling elements
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnScrollFixedHeader: function ( oCache )
|
||
|
|
{
|
||
|
|
var
|
||
|
|
s = this.fnGetSettings(),
|
||
|
|
oMes = s.oMes,
|
||
|
|
oWin = FixedHeader.oWin,
|
||
|
|
oDoc = FixedHeader.oDoc,
|
||
|
|
nTable = oCache.nWrapper,
|
||
|
|
iTbodyHeight = 0,
|
||
|
|
anTbodies = s.nTable.getElementsByTagName('tbody');
|
||
|
|
|
||
|
|
for (var i = 0; i < anTbodies.length; ++i) {
|
||
|
|
iTbodyHeight += anTbodies[i].offsetHeight;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( oMes.iTableTop > oWin.iScrollTop + s.oOffset.top )
|
||
|
|
{
|
||
|
|
/* Above the table */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else if ( oWin.iScrollTop + s.oOffset.top > oMes.iTableTop+iTbodyHeight )
|
||
|
|
{
|
||
|
|
/* At the bottom of the table */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop+iTbodyHeight)+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* In the middle of the table */
|
||
|
|
this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sTop', s.oOffset.top+"px", 'top', nTable.style );
|
||
|
|
this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft-oWin.iScrollLeft)+"px", 'left', nTable.style );
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnUpdateCache
|
||
|
|
* Purpose: Check the cache and update cache and value if needed
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - local cache object
|
||
|
|
* string:sCache - cache property
|
||
|
|
* string:sSet - value to set
|
||
|
|
* string:sProperty - object property to set
|
||
|
|
* object:oObj - object to update
|
||
|
|
*/
|
||
|
|
_fnUpdateCache: function ( oCache, sCache, sSet, sProperty, oObj )
|
||
|
|
{
|
||
|
|
if ( oCache[sCache] != sSet )
|
||
|
|
{
|
||
|
|
oObj[sProperty] = sSet;
|
||
|
|
oCache[sCache] = sSet;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Copy the classes of all child nodes from one element to another. This implies
|
||
|
|
* that the two have identical structure - no error checking is performed to that
|
||
|
|
* fact.
|
||
|
|
* @param {element} source Node to copy classes from
|
||
|
|
* @param {element} dest Node to copy classes too
|
||
|
|
*/
|
||
|
|
_fnClassUpdate: function ( source, dest )
|
||
|
|
{
|
||
|
|
var that = this;
|
||
|
|
|
||
|
|
if ( source.nodeName.toUpperCase() === "TR" || source.nodeName.toUpperCase() === "TH" ||
|
||
|
|
source.nodeName.toUpperCase() === "TD" || source.nodeName.toUpperCase() === "SPAN" )
|
||
|
|
{
|
||
|
|
dest.className = source.className;
|
||
|
|
}
|
||
|
|
|
||
|
|
$(source).children().each( function (i) {
|
||
|
|
that._fnClassUpdate( $(source).children()[i], $(dest).children()[i] );
|
||
|
|
} );
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
|
|
* Cloning functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnCloneThead
|
||
|
|
* Purpose: Clone the thead element
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnCloneThead: function ( oCache )
|
||
|
|
{
|
||
|
|
var s = this.fnGetSettings();
|
||
|
|
var nTable = oCache.nNode;
|
||
|
|
|
||
|
|
if ( s.bInitComplete && !s.oCloneOnDraw.top )
|
||
|
|
{
|
||
|
|
this._fnClassUpdate( $('thead', s.nTable)[0], $('thead', nTable)[0] );
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Set the wrapper width to match that of the cloned table */
|
||
|
|
var iDtWidth = $(s.nTable).outerWidth();
|
||
|
|
oCache.nWrapper.style.width = iDtWidth+"px";
|
||
|
|
nTable.style.width = iDtWidth+"px";
|
||
|
|
|
||
|
|
/* Remove any children the cloned table has */
|
||
|
|
while ( nTable.childNodes.length > 0 )
|
||
|
|
{
|
||
|
|
$('thead th', nTable).unbind( 'click' );
|
||
|
|
nTable.removeChild( nTable.childNodes[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Clone the DataTables header */
|
||
|
|
var nThead = $('thead', s.nTable).clone(true)[0];
|
||
|
|
nTable.appendChild( nThead );
|
||
|
|
|
||
|
|
/* Copy the widths across - apparently a clone isn't good enough for this */
|
||
|
|
var a = [];
|
||
|
|
var b = [];
|
||
|
|
|
||
|
|
$("thead>tr th", s.nTable).each( function (i) {
|
||
|
|
a.push( $(this).width() );
|
||
|
|
} );
|
||
|
|
|
||
|
|
$("thead>tr td", s.nTable).each( function (i) {
|
||
|
|
b.push( $(this).width() );
|
||
|
|
} );
|
||
|
|
|
||
|
|
$("thead>tr th", s.nTable).each( function (i) {
|
||
|
|
$("thead>tr th:eq("+i+")", nTable).width( a[i] );
|
||
|
|
$(this).width( a[i] );
|
||
|
|
} );
|
||
|
|
|
||
|
|
$("thead>tr td", s.nTable).each( function (i) {
|
||
|
|
$("thead>tr td:eq("+i+")", nTable).width( b[i] );
|
||
|
|
$(this).width( b[i] );
|
||
|
|
} );
|
||
|
|
|
||
|
|
// Stop DataTables 1.9 from putting a focus ring on the headers when
|
||
|
|
// clicked to sort
|
||
|
|
$('th.sorting, th.sorting_desc, th.sorting_asc', nTable).bind( 'click', function () {
|
||
|
|
this.blur();
|
||
|
|
} );
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnCloneTfoot
|
||
|
|
* Purpose: Clone the tfoot element
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnCloneTfoot: function ( oCache )
|
||
|
|
{
|
||
|
|
var s = this.fnGetSettings();
|
||
|
|
var nTable = oCache.nNode;
|
||
|
|
|
||
|
|
/* Set the wrapper width to match that of the cloned table */
|
||
|
|
oCache.nWrapper.style.width = $(s.nTable).outerWidth()+"px";
|
||
|
|
|
||
|
|
/* Remove any children the cloned table has */
|
||
|
|
while ( nTable.childNodes.length > 0 )
|
||
|
|
{
|
||
|
|
nTable.removeChild( nTable.childNodes[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Clone the DataTables footer */
|
||
|
|
var nTfoot = $('tfoot', s.nTable).clone(true)[0];
|
||
|
|
nTable.appendChild( nTfoot );
|
||
|
|
|
||
|
|
/* Copy the widths across - apparently a clone isn't good enough for this */
|
||
|
|
$("tfoot:eq(0)>tr th", s.nTable).each( function (i) {
|
||
|
|
$("tfoot:eq(0)>tr th:eq("+i+")", nTable).width( $(this).width() );
|
||
|
|
} );
|
||
|
|
|
||
|
|
$("tfoot:eq(0)>tr td", s.nTable).each( function (i) {
|
||
|
|
$("tfoot:eq(0)>tr td:eq("+i+")", nTable).width( $(this).width() );
|
||
|
|
} );
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnCloneTLeft
|
||
|
|
* Purpose: Clone the left column(s)
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnCloneTLeft: function ( oCache )
|
||
|
|
{
|
||
|
|
var s = this.fnGetSettings();
|
||
|
|
var nTable = oCache.nNode;
|
||
|
|
var nBody = $('tbody', s.nTable)[0];
|
||
|
|
|
||
|
|
/* Remove any children the cloned table has */
|
||
|
|
while ( nTable.childNodes.length > 0 )
|
||
|
|
{
|
||
|
|
nTable.removeChild( nTable.childNodes[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Is this the most efficient way to do this - it looks horrible... */
|
||
|
|
nTable.appendChild( $("thead", s.nTable).clone(true)[0] );
|
||
|
|
nTable.appendChild( $("tbody", s.nTable).clone(true)[0] );
|
||
|
|
if ( s.bFooter )
|
||
|
|
{
|
||
|
|
nTable.appendChild( $("tfoot", s.nTable).clone(true)[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Remove unneeded cells */
|
||
|
|
var sSelector = 'gt(' + (oCache.iCells - 1) + ')';
|
||
|
|
$('thead tr', nTable).each( function (k) {
|
||
|
|
$('th:' + sSelector, this).remove();
|
||
|
|
} );
|
||
|
|
|
||
|
|
$('tfoot tr', nTable).each( function (k) {
|
||
|
|
$('th:' + sSelector, this).remove();
|
||
|
|
} );
|
||
|
|
|
||
|
|
$('tbody tr', nTable).each( function (k) {
|
||
|
|
$('td:' + sSelector, this).remove();
|
||
|
|
} );
|
||
|
|
|
||
|
|
this.fnEqualiseHeights( 'thead', nBody.parentNode, nTable );
|
||
|
|
this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
|
||
|
|
this.fnEqualiseHeights( 'tfoot', nBody.parentNode, nTable );
|
||
|
|
|
||
|
|
var iWidth = 0;
|
||
|
|
for (var i = 0; i < oCache.iCells; i++) {
|
||
|
|
iWidth += $('thead tr th:eq(' + i + ')', s.nTable).outerWidth();
|
||
|
|
}
|
||
|
|
nTable.style.width = iWidth+"px";
|
||
|
|
oCache.nWrapper.style.width = iWidth+"px";
|
||
|
|
},
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: _fnCloneTRight
|
||
|
|
* Purpose: Clone the right most column(s)
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: object:oCache - the cached values for this fixed element
|
||
|
|
*/
|
||
|
|
_fnCloneTRight: function ( oCache )
|
||
|
|
{
|
||
|
|
var s = this.fnGetSettings();
|
||
|
|
var nBody = $('tbody', s.nTable)[0];
|
||
|
|
var nTable = oCache.nNode;
|
||
|
|
var iCols = $('tbody tr:eq(0) td', s.nTable).length;
|
||
|
|
|
||
|
|
/* Remove any children the cloned table has */
|
||
|
|
while ( nTable.childNodes.length > 0 )
|
||
|
|
{
|
||
|
|
nTable.removeChild( nTable.childNodes[0] );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Is this the most efficient way to do this - it looks horrible... */
|
||
|
|
nTable.appendChild( $("thead", s.nTable).clone(true)[0] );
|
||
|
|
nTable.appendChild( $("tbody", s.nTable).clone(true)[0] );
|
||
|
|
if ( s.bFooter )
|
||
|
|
{
|
||
|
|
nTable.appendChild( $("tfoot", s.nTable).clone(true)[0] );
|
||
|
|
}
|
||
|
|
$('thead tr th:lt('+(iCols-oCache.iCells)+')', nTable).remove();
|
||
|
|
$('tfoot tr th:lt('+(iCols-oCache.iCells)+')', nTable).remove();
|
||
|
|
|
||
|
|
/* Remove unneeded cells */
|
||
|
|
$('tbody tr', nTable).each( function (k) {
|
||
|
|
$('td:lt('+(iCols-oCache.iCells)+')', this).remove();
|
||
|
|
} );
|
||
|
|
|
||
|
|
this.fnEqualiseHeights( 'thead', nBody.parentNode, nTable );
|
||
|
|
this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
|
||
|
|
this.fnEqualiseHeights( 'tfoot', nBody.parentNode, nTable );
|
||
|
|
|
||
|
|
var iWidth = 0;
|
||
|
|
for (var i = 0; i < oCache.iCells; i++) {
|
||
|
|
iWidth += $('thead tr th:eq('+(iCols-1-i)+')', s.nTable).outerWidth();
|
||
|
|
}
|
||
|
|
nTable.style.width = iWidth+"px";
|
||
|
|
oCache.nWrapper.style.width = iWidth+"px";
|
||
|
|
},
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Equalise the heights of the rows in a given table node in a cross browser way. Note that this
|
||
|
|
* is more or less lifted as is from FixedColumns
|
||
|
|
* @method fnEqualiseHeights
|
||
|
|
* @returns void
|
||
|
|
* @param {string} parent Node type - thead, tbody or tfoot
|
||
|
|
* @param {element} original Original node to take the heights from
|
||
|
|
* @param {element} clone Copy the heights to
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
"fnEqualiseHeights": function ( parent, original, clone )
|
||
|
|
{
|
||
|
|
var that = this;
|
||
|
|
var originals = $(parent +' tr', original);
|
||
|
|
var height;
|
||
|
|
|
||
|
|
$(parent+' tr', clone).each( function (k) {
|
||
|
|
height = originals.eq( k ).css('height');
|
||
|
|
|
||
|
|
// This is nasty :-(. IE has a sub-pixel error even when setting
|
||
|
|
// the height below (the Firefox fix) which causes the fixed column
|
||
|
|
// to go out of alignment. Need to add a pixel before the assignment
|
||
|
|
// Can this be feature detected? Not sure how...
|
||
|
|
if ( navigator.appName == 'Microsoft Internet Explorer' ) {
|
||
|
|
height = parseInt( height, 10 ) + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
$(this).css( 'height', height );
|
||
|
|
|
||
|
|
// For Firefox to work, we need to also set the height of the
|
||
|
|
// original row, to the value that we read from it! Otherwise there
|
||
|
|
// is a sub-pixel rounding error
|
||
|
|
originals.eq( k ).css( 'height', height );
|
||
|
|
} );
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
|
|
* Static properties and methods
|
||
|
|
* We use these for speed! This information is common to all instances of FixedHeader, so no
|
||
|
|
* point if having them calculated and stored for each different instance.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Variable: oWin
|
||
|
|
* Purpose: Store information about the window positioning
|
||
|
|
* Scope: FixedHeader
|
||
|
|
*/
|
||
|
|
FixedHeader.oWin = {
|
||
|
|
"iScrollTop": 0,
|
||
|
|
"iScrollRight": 0,
|
||
|
|
"iScrollBottom": 0,
|
||
|
|
"iScrollLeft": 0,
|
||
|
|
"iHeight": 0,
|
||
|
|
"iWidth": 0
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Variable: oDoc
|
||
|
|
* Purpose: Store information about the document size
|
||
|
|
* Scope: FixedHeader
|
||
|
|
*/
|
||
|
|
FixedHeader.oDoc = {
|
||
|
|
"iHeight": 0,
|
||
|
|
"iWidth": 0
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Variable: afnScroll
|
||
|
|
* Purpose: Array of functions that are to be used for the scrolling components
|
||
|
|
* Scope: FixedHeader
|
||
|
|
*/
|
||
|
|
FixedHeader.afnScroll = [];
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function: fnMeasure
|
||
|
|
* Purpose: Update the measurements for the window and document
|
||
|
|
* Returns: -
|
||
|
|
* Inputs: -
|
||
|
|
*/
|
||
|
|
FixedHeader.fnMeasure = function ()
|
||
|
|
{
|
||
|
|
var
|
||
|
|
jqWin = $(window),
|
||
|
|
jqDoc = $(document),
|
||
|
|
oWin = FixedHeader.oWin,
|
||
|
|
oDoc = FixedHeader.oDoc;
|
||
|
|
|
||
|
|
oDoc.iHeight = jqDoc.height();
|
||
|
|
oDoc.iWidth = jqDoc.width();
|
||
|
|
|
||
|
|
oWin.iHeight = jqWin.height();
|
||
|
|
oWin.iWidth = jqWin.width();
|
||
|
|
oWin.iScrollTop = jqWin.scrollTop();
|
||
|
|
oWin.iScrollLeft = jqWin.scrollLeft();
|
||
|
|
oWin.iScrollRight = oDoc.iWidth - oWin.iScrollLeft - oWin.iWidth;
|
||
|
|
oWin.iScrollBottom = oDoc.iHeight - oWin.iScrollTop - oWin.iHeight;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
FixedHeader.version = "2.1.2";
|
||
|
|
|
||
|
|
|
||
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
|
|
* Global processing
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Just one 'scroll' event handler in FixedHeader, which calls the required components. This is
|
||
|
|
* done as an optimisation, to reduce calculation and proagation time
|
||
|
|
*/
|
||
|
|
$(window).scroll( function () {
|
||
|
|
FixedHeader.fnMeasure();
|
||
|
|
|
||
|
|
for ( var i=0, iLen=FixedHeader.afnScroll.length ; i<iLen ; i++ ) {
|
||
|
|
FixedHeader.afnScroll[i]();
|
||
|
|
}
|
||
|
|
} );
|
||
|
|
|
||
|
|
|
||
|
|
$.fn.dataTable.FixedHeader = FixedHeader;
|
||
|
|
$.fn.DataTable.FixedHeader = FixedHeader;
|
||
|
|
|
||
|
|
|
||
|
|
return FixedHeader;
|
||
|
|
}; // /factory
|
||
|
|
|
||
|
|
|
||
|
|
// Define as an AMD module if possible
|
||
|
|
if ( typeof define === 'function' && define.amd ) {
|
||
|
|
define( ['jquery', 'datatables'], factory );
|
||
|
|
}
|
||
|
|
else if ( typeof exports === 'object' ) {
|
||
|
|
// Node/CommonJS
|
||
|
|
factory( require('jquery'), require('datatables') );
|
||
|
|
}
|
||
|
|
else if ( jQuery && !jQuery.fn.dataTable.FixedHeader ) {
|
||
|
|
// Otherwise simply initialise as normal, stopping multiple evaluation
|
||
|
|
factory( jQuery, jQuery.fn.dataTable );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
})(window, document);
|
||
|
|
|