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c181096b51
New: Series Editor controls are always visible New: Can shift-click to select series in editor Fixed: Maximum form elements increased
938 lines
27 KiB
JavaScript
938 lines
27 KiB
JavaScript
/*
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* File: FixedHeader.js
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* Version: 2.0.6
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* Description: "Fix" a header at the top of the table, so it scrolls with the table
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* Author: Allan Jardine (www.sprymedia.co.uk)
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* Created: Wed 16 Sep 2009 19:46:30 BST
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* Language: Javascript
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* License: GPL v2 or BSD 3 point style
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* Project: Just a little bit of fun - enjoy :-)
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* Contact: www.sprymedia.co.uk/contact
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*
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* Copyright 2009-2012 Allan Jardine, all rights reserved.
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*
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* This source file is free software, under either the GPL v2 license or a
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* BSD style license, available at:
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* http://datatables.net/license_gpl2
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* http://datatables.net/license_bsd
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*/
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/*
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* Function: FixedHeader
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* Purpose: Provide 'fixed' header, footer and columns on an HTML table
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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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* 1. DataTable object - when using FixedHeader with DataTables, or
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* 2. HTML table node - when using FixedHeader without DataTables
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* object:oInit - initialisation settings, with the following 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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* bool:left - fix the left most column (default false)
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* bool:right - fix the right most column (default false)
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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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var FixedHeader = function ( mTable, oInit ) {
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/* Sanity check - you just know it will happen */
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if ( typeof this.fnInit != 'function' )
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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": false,
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"right": false
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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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"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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"bUseAbsPos": false,
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"bFooter": 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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/* Let's do it */
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this.fnInit( mTable, oInit );
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/* Store the instance on the DataTables object for easy access */
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if ( typeof mTable.fnSettings == 'function' )
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{
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mTable._oPluginFixedHeader = this;
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}
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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 ( oTable, 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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/* DataTables specific stuff */
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if ( typeof oTable.fnSettings == 'function' )
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{
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if ( typeof oTable.fnVersionCheck == 'functon' &&
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oTable.fnVersionCheck( '1.6.0' ) !== true )
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{
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alert( "FixedHeader 2 required DataTables 1.6.0 or later. "+
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"Please upgrade your DataTables installation" );
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return;
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}
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var oDtSettings = oTable.fnSettings();
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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.push( {
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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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}
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else
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{
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s.nTable = oTable;
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}
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s.bFooter = ($('>tfoot', s.nTable).length > 0) ? true : false;
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/* "Detect" browsers that don't support absolute positioing - or have bugs */
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s.bUseAbsPos = (jQuery.browser.msie && (jQuery.browser.version=="6.0"||jQuery.browser.version=="7.0"));
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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 ) );
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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 ) );
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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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jQuery(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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/* 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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},
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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 ( typeof oInit != 'undefined' )
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{
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if ( typeof oInit.top != 'undefined' ) {
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s.oSides.top = oInit.top;
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}
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if ( typeof oInit.bottom != 'undefined' ) {
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s.oSides.bottom = oInit.bottom;
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}
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if ( typeof oInit.left != 'undefined' ) {
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s.oSides.left = oInit.left;
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}
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if ( typeof oInit.right != 'undefined' ) {
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s.oSides.right = oInit.right;
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}
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if ( typeof oInit.zTop != 'undefined' ) {
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s.oZIndexes.top = oInit.zTop;
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}
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if ( typeof oInit.zBottom != 'undefined' ) {
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s.oZIndexes.bottom = oInit.zBottom;
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}
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if ( typeof oInit.zLeft != 'undefined' ) {
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s.oZIndexes.left = oInit.zLeft;
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}
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if ( typeof oInit.zRight != 'undefined' ) {
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s.oZIndexes.right = oInit.zRight;
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}
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if ( typeof oInit.offsetTop != 'undefined' ) {
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s.oOffset.top = oInit.offsetTop;
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}
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}
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/* Detect browsers which have poor position:fixed support so we can use absolute positions.
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* This is much slower since the position must be updated for each scroll, but widens
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* compatibility
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*/
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s.bUseAbsPos = (jQuery.browser.msie &&
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(jQuery.browser.version=="6.0"||jQuery.browser.version=="7.0"));
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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 )
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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 ( jQuery(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 poistion 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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};
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},
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/*
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* Function: _fnUpdatePositions
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* Purpose: Get the current positioning of the table in the DOM
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* Returns: -
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* Inputs: -
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*/
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_fnMeasure: function ()
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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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jqTable = jQuery(s.nTable),
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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();
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m.iTableHeight = jqTable.outerHeight();
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m.iTableLeft = oOffset.left + s.nTable.parentNode.scrollLeft;
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m.iTableTop = oOffset.top + iParentScrollTop;
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m.iTableRight = m.iTableLeft + m.iTableWidth;
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m.iTableRight = FixedHeader.oDoc.iWidth - m.iTableLeft - m.iTableWidth;
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m.iTableBottom = FixedHeader.oDoc.iHeight - m.iTableTop - m.iTableHeight;
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},
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/*
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* Function: _fnSumScroll
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* Purpose: Sum node parameters all the way to the top
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* Returns: int: sum
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* Inputs: node:n - node to consider
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* string:side - scrollTop or scrollLeft
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*/
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_fnSumScroll: function ( n, side )
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{
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var i = n[side];
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while ( n = n.parentNode )
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{
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if ( n.nodeName == 'HTML' || n.nodeName == 'BODY' )
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{
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break;
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}
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i = n[side];
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}
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return i;
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},
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/*
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* Function: _fnUpdatePositions
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* Purpose: Loop over the fixed elements for this table and update their positions
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* Returns: -
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* Inputs: -
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*/
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_fnUpdatePositions: function ()
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{
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var s = this.fnGetSettings();
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this._fnMeasure();
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for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
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{
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if ( s.aoCache[i].sType == "fixedHeader" )
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{
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this._fnScrollFixedHeader( s.aoCache[i] );
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}
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else if ( s.aoCache[i].sType == "fixedFooter" )
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{
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this._fnScrollFixedFooter( s.aoCache[i] );
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}
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else if ( s.aoCache[i].sType == "fixedLeft" )
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{
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this._fnScrollHorizontalLeft( s.aoCache[i] );
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}
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else
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{
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this._fnScrollHorizontalRight( s.aoCache[i] );
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}
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}
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},
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/*
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* Function: _fnUpdateClones
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* Purpose: Loop over the fixed elements for this table and call their cloning functions
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* Returns: -
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* Inputs: -
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*/
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_fnUpdateClones: function ()
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{
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var s = this.fnGetSettings();
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for ( var i=0, iLen=s.aoCache.length ; i<iLen ; i++ )
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{
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s.aoCache[i].fnClone.call( this, s.aoCache[i] );
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}
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},
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Scrolling functions
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*/
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/*
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* Function: _fnScrollHorizontalLeft
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* Purpose: Update the positioning of the scrolling elements
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* Returns: -
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* Inputs: object:oCache - the cahced values for this fixed element
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*/
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_fnScrollHorizontalRight: function ( oCache )
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{
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var
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s = this.fnGetSettings(),
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oMes = s.oMes,
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oWin = FixedHeader.oWin,
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oDoc = FixedHeader.oDoc,
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nTable = oCache.nWrapper,
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iFixedWidth = jQuery(nTable).outerWidth();
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if ( oWin.iScrollRight < oMes.iTableRight )
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{
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/* Fully right aligned */
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this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
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this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
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this._fnUpdateCache( oCache, 'sLeft', (oMes.iTableLeft+oMes.iTableWidth-iFixedWidth)+"px", 'left', nTable.style );
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}
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else if ( oMes.iTableLeft < oDoc.iWidth-oWin.iScrollRight-iFixedWidth )
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{
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/* Middle */
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if ( s.bUseAbsPos )
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{
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this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
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this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
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this._fnUpdateCache( oCache, 'sLeft', (oDoc.iWidth-oWin.iScrollRight-iFixedWidth)+"px", 'left', nTable.style );
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}
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else
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{
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this._fnUpdateCache( oCache, 'sPosition', 'fixed', 'position', nTable.style );
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this._fnUpdateCache( oCache, 'sTop', (oMes.iTableTop-oWin.iScrollTop)+"px", 'top', nTable.style );
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this._fnUpdateCache( oCache, 'sLeft', (oWin.iWidth-iFixedWidth)+"px", 'left', nTable.style );
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}
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}
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else
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{
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/* Fully left aligned */
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this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
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this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
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this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
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}
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},
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|
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/*
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* Function: _fnScrollHorizontalLeft
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* Purpose: Update the positioning of the scrolling elements
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* Returns: -
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* Inputs: object:oCache - the cahced values for this fixed element
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*/
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_fnScrollHorizontalLeft: function ( oCache )
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{
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var
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s = this.fnGetSettings(),
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oMes = s.oMes,
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oWin = FixedHeader.oWin,
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oDoc = FixedHeader.oDoc,
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nTable = oCache.nWrapper,
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iCellWidth = jQuery(nTable).outerWidth();
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if ( oWin.iScrollLeft < oMes.iTableLeft )
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{
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/* Fully left align */
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this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
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this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
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this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
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}
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else if ( oWin.iScrollLeft < oMes.iTableLeft+oMes.iTableWidth-iCellWidth )
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{
|
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/* Middle */
|
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if ( s.bUseAbsPos )
|
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{
|
|
this._fnUpdateCache( oCache, 'sPosition', 'absolute', 'position', nTable.style );
|
|
this._fnUpdateCache( oCache, 'sTop', oMes.iTableTop+"px", 'top', nTable.style );
|
|
this._fnUpdateCache( oCache, 'sLeft', oWin.iScrollLeft+"px", 'left', nTable.style );
|
|
}
|
|
else
|
|
{
|
|
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 cahced 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 = jQuery("thead", s.nTable).outerHeight(),
|
|
iCellHeight = jQuery(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 )
|
|
{
|
|
/* Middle */
|
|
if ( s.bUseAbsPos )
|
|
{
|
|
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
|
|
this._fnUpdateCache( oCache, 'sTop', (oDoc.iHeight-oWin.iScrollBottom-iCellHeight)+"px", 'top', nTable.style );
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
|
}
|
|
else
|
|
{
|
|
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 cahced 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 */
|
|
if ( s.bUseAbsPos )
|
|
{
|
|
this._fnUpdateCache( oCache, 'sPosition', "absolute", 'position', nTable.style );
|
|
this._fnUpdateCache( oCache, 'sTop', oWin.iScrollTop+"px", 'top', nTable.style );
|
|
this._fnUpdateCache( oCache, 'sLeft', oMes.iTableLeft+"px", 'left', nTable.style );
|
|
}
|
|
else
|
|
{
|
|
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;
|
|
}
|
|
},
|
|
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* Cloning functions
|
|
*/
|
|
|
|
/*
|
|
* Function: _fnCloneThead
|
|
* Purpose: Clone the thead element
|
|
* Returns: -
|
|
* Inputs: object:oCache - the cahced values for this fixed element
|
|
*/
|
|
_fnCloneThead: 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 = jQuery(s.nTable).outerWidth()+"px";
|
|
|
|
/* Remove any children the cloned table has */
|
|
while ( nTable.childNodes.length > 0 )
|
|
{
|
|
jQuery('thead th', nTable).unbind( 'click' );
|
|
nTable.removeChild( nTable.childNodes[0] );
|
|
}
|
|
|
|
/* Clone the DataTables header */
|
|
var nThead = jQuery('thead', s.nTable).clone(true)[0];
|
|
nTable.appendChild( nThead );
|
|
|
|
/* Copy the widths across - apparently a clone isn't good enough for this */
|
|
jQuery("thead>tr th", s.nTable).each( function (i) {
|
|
jQuery("thead>tr th:eq("+i+")", nTable).width( jQuery(this).width() );
|
|
} );
|
|
|
|
jQuery("thead>tr td", s.nTable).each( function (i) {
|
|
jQuery("thead>tr td:eq("+i+")", nTable).width( jQuery(this).width() );
|
|
} );
|
|
},
|
|
|
|
/*
|
|
* Function: _fnCloneTfoot
|
|
* Purpose: Clone the tfoot element
|
|
* Returns: -
|
|
* Inputs: object:oCache - the cahced 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 = jQuery(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 = jQuery('tfoot', s.nTable).clone(true)[0];
|
|
nTable.appendChild( nTfoot );
|
|
|
|
/* Copy the widths across - apparently a clone isn't good enough for this */
|
|
jQuery("tfoot:eq(0)>tr th", s.nTable).each( function (i) {
|
|
jQuery("tfoot:eq(0)>tr th:eq("+i+")", nTable).width( jQuery(this).width() );
|
|
} );
|
|
|
|
jQuery("tfoot:eq(0)>tr td", s.nTable).each( function (i) {
|
|
jQuery("tfoot:eq(0)>tr th:eq("+i+")", nTable)[0].style.width( jQuery(this).width() );
|
|
} );
|
|
},
|
|
|
|
/*
|
|
* Function: _fnCloneTLeft
|
|
* Purpose: Clone the left column
|
|
* 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];
|
|
var iCols = $('tbody tr:eq(0) td', s.nTable).length;
|
|
var bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
|
|
|
|
/* 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( jQuery("thead", s.nTable).clone(true)[0] );
|
|
nTable.appendChild( jQuery("tbody", s.nTable).clone(true)[0] );
|
|
if ( s.bFooter )
|
|
{
|
|
nTable.appendChild( jQuery("tfoot", s.nTable).clone(true)[0] );
|
|
}
|
|
|
|
/* Remove unneeded cells */
|
|
$('thead tr', nTable).each( function (k) {
|
|
$('th:gt(0)', this).remove();
|
|
} );
|
|
|
|
$('tfoot tr', nTable).each( function (k) {
|
|
$('th:gt(0)', this).remove();
|
|
} );
|
|
|
|
$('tbody tr', nTable).each( function (k) {
|
|
$('td:gt(0)', this).remove();
|
|
} );
|
|
|
|
this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
|
|
|
|
var iWidth = jQuery('thead tr th:eq(0)', s.nTable).outerWidth();
|
|
nTable.style.width = iWidth+"px";
|
|
oCache.nWrapper.style.width = iWidth+"px";
|
|
},
|
|
|
|
/*
|
|
* Function: _fnCloneTRight
|
|
* Purpose: Clone the right most colun
|
|
* Returns: -
|
|
* Inputs: object:oCache - the cahced values for this fixed element
|
|
*/
|
|
_fnCloneTRight: function ( oCache )
|
|
{
|
|
var s = this.fnGetSettings();
|
|
var nBody = $('tbody', s.nTable)[0];
|
|
var nTable = oCache.nNode;
|
|
var iCols = jQuery('tbody tr:eq(0) td', s.nTable).length;
|
|
var bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
|
|
|
|
/* 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( jQuery("thead", s.nTable).clone(true)[0] );
|
|
nTable.appendChild( jQuery("tbody", s.nTable).clone(true)[0] );
|
|
if ( s.bFooter )
|
|
{
|
|
nTable.appendChild( jQuery("tfoot", s.nTable).clone(true)[0] );
|
|
}
|
|
jQuery('thead tr th:not(:nth-child('+iCols+'n))', nTable).remove();
|
|
jQuery('tfoot tr th:not(:nth-child('+iCols+'n))', nTable).remove();
|
|
|
|
/* Remove unneeded cells */
|
|
$('tbody tr', nTable).each( function (k) {
|
|
$('td:lt('+(iCols-1)+')', this).remove();
|
|
} );
|
|
|
|
this.fnEqualiseHeights( 'tbody', nBody.parentNode, nTable );
|
|
|
|
var iWidth = jQuery('thead tr th:eq('+(iCols-1)+')', 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,
|
|
jqBoxHack = $(parent+' tr:eq(0)', original).children(':eq(0)'),
|
|
iBoxHack = jqBoxHack.outerHeight() - jqBoxHack.height(),
|
|
bRubbishOldIE = ($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0"));
|
|
|
|
/* Remove cells which are not needed and copy the height from the original table */
|
|
$(parent+' tr', clone).each( function (k) {
|
|
/* Can we use some kind of object detection here?! This is very nasty - damn browsers */
|
|
if ( $.browser.mozilla || $.browser.opera )
|
|
{
|
|
$(this).children().height( $(parent+' tr:eq('+k+')', original).outerHeight() );
|
|
}
|
|
else
|
|
{
|
|
$(this).children().height( $(parent+' tr:eq('+k+')', original).outerHeight() - iBoxHack );
|
|
}
|
|
|
|
if ( !bRubbishOldIE )
|
|
{
|
|
$(parent+' tr:eq('+k+')', original).height( $(parent+' tr:eq('+k+')', original).outerHeight() );
|
|
}
|
|
} );
|
|
}
|
|
};
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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 = jQuery(window),
|
|
jqDoc = jQuery(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 = "2.0.6";
|
|
FixedHeader.prototype.VERSION = FixedHeader.VERSION;
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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
|
|
*/
|
|
jQuery(window).scroll( function () {
|
|
FixedHeader.fnMeasure();
|
|
for ( var i=0, iLen=FixedHeader.afnScroll.length ; i<iLen ; i++ )
|
|
{
|
|
FixedHeader.afnScroll[i]();
|
|
}
|
|
} );
|