src/pyams_skin/resources/js/ext/jquery-dataTables-fixedHeader.js
changeset 557 bca7a7e058a3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/jquery-dataTables-fixedHeader.js	Thu Feb 13 11:43:31 2020 +0100
@@ -0,0 +1,953 @@
+/*! FixedHeader 2.1.0
+ * ©2010-2014 SpryMedia Ltd - datatables.net/license
+ */
+
+/**
+ * @summary     FixedHeader
+ * @description Fix a table's header or footer, so it is always visible while
+ *              Scrolling
+ * @version     2.1.0
+ * @file        dataTables.fixedHeader.js
+ * @author      SpryMedia Ltd (www.sprymedia.co.uk)
+ * @contact     www.sprymedia.co.uk/contact
+ * @copyright   Copyright 2009-2014 SpryMedia Ltd.
+ *
+ * This source file is free software, available under the following license:
+ *   MIT license - http://datatables.net/license/mit
+ *
+ * This source file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
+ *
+ * For details please refer to: http://www.datatables.net
+ */
+
+/* Global scope for FixedColumns for backwards compatibility - will be removed
+ * in future. Not documented in 1.1.x.
+ */
+
+/* Global scope for FixedColumns */
+var FixedHeader;
+
+(function (window, document, undefined) {
+
+
+	var factory = function ($, DataTable) {
+		"use strict";
+
+		/*
+		 * Function: FixedHeader
+		 * Purpose:  Provide 'fixed' header, footer and columns on an HTML table
+		 * Returns:  object:FixedHeader - must be called with 'new'
+		 * Inputs:   mixed:mTable - target table
+		 *					   1. DataTable object - when using FixedHeader with DataTables, or
+		 *					   2. HTML table node - when using FixedHeader without DataTables
+		 *           object:oInit - initialisation settings, with the following properties (each optional)
+		 *             bool:top -    fix the header (default true)
+		 *             bool:bottom - fix the footer (default false)
+		 *             int:left -    fix the left column(s) (default 0)
+		 *             int:right -   fix the right column(s) (default 0)
+		 *             int:zTop -    fixed header zIndex
+		 *             int:zBottom - fixed footer zIndex
+		 *             int:zLeft -   fixed left zIndex
+		 *             int:zRight -  fixed right zIndex
+		 */
+		FixedHeader = function (mTable, oInit) {
+			/* Sanity check - you just know it will happen */
+			if (!this instanceof FixedHeader) {
+				alert("FixedHeader warning: FixedHeader must be initialised with the 'new' keyword.");
+				return;
+			}
+
+			var that = this;
+			var oSettings = {
+				"aoCache": [],
+				"oSides": {
+					"top": true,
+					"bottom": false,
+					"left": 0,
+					"right": 0
+				},
+				"oZIndexes": {
+					"top": 104,
+					"bottom": 103,
+					"left": 102,
+					"right": 101
+				},
+				"oCloneOnDraw": {
+					"top": false,
+					"bottom": false,
+					"left": true,
+					"right": true
+				},
+				"oMes": {
+					"iTableWidth": 0,
+					"iTableHeight": 0,
+					"iTableLeft": 0,
+					"iTableRight": 0, /* note this is left+width, not actually "right" */
+					"iTableTop": 0,
+					"iTableBottom": 0 /* note this is top+height, not actually "bottom" */
+				},
+				"oOffset": {
+					"top": 0
+				},
+				"nTable": null,
+				"bFooter": false,
+				"bInitComplete": false
+			};
+
+			/*
+			 * Function: fnGetSettings
+			 * Purpose:  Get the settings for this object
+			 * Returns:  object: - settings object
+			 * Inputs:   -
+			 */
+			this.fnGetSettings = function () {
+				return oSettings;
+			};
+
+			/*
+			 * Function: fnUpdate
+			 * Purpose:  Update the positioning and copies of the fixed elements
+			 * Returns:  -
+			 * Inputs:   -
+			 */
+			this.fnUpdate = function () {
+				this._fnUpdateClones();
+				this._fnUpdatePositions();
+			};
+
+			/*
+			 * Function: fnPosition
+			 * Purpose:  Update the positioning of the fixed elements
+			 * Returns:  -
+			 * Inputs:   -
+			 */
+			this.fnPosition = function () {
+				this._fnUpdatePositions();
+			};
+
+
+			var dt = $.fn.dataTable.Api ?
+				new $.fn.dataTable.Api(mTable).settings()[0] :
+				mTable.fnSettings();
+
+			dt._oPluginFixedHeader = this;
+
+			/* Let's do it */
+			this.fnInit(dt, oInit);
+
+		};
+
+
+		/*
+		 * Variable: FixedHeader
+		 * Purpose:  Prototype for FixedHeader
+		 * Scope:    global
+		 */
+		FixedHeader.prototype = {
+			/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+			 * Initialisation
+			 */
+
+			/*
+			 * Function: fnInit
+			 * Purpose:  The "constructor"
+			 * Returns:  -
+			 * Inputs:   {as FixedHeader function}
+			 */
+			fnInit: function (oDtSettings, oInit) {
+				var s = this.fnGetSettings();
+				var that = this;
+
+				/* Record the user definable settings */
+				this.fnInitSettings(s, oInit);
+
+				if (oDtSettings.oScroll.sX !== "" || oDtSettings.oScroll.sY !== "") {
+					alert("FixedHeader 2 is not supported with DataTables' scrolling mode at this time");
+					return;
+				}
+
+				s.nTable = oDtSettings.nTable;
+				oDtSettings.aoDrawCallback.unshift({
+													   "fn": function () {
+														   FixedHeader.fnMeasure();
+														   that._fnUpdateClones.call(that);
+														   that._fnUpdatePositions.call(that);
+													   },
+													   "sName": "FixedHeader"
+												   });
+
+				s.bFooter = ($('>tfoot', s.nTable).length > 0) ? true : false;
+
+				/* Add the 'sides' that are fixed */
+				if (s.oSides.top) {
+					s.aoCache.push(that._fnCloneTable("fixedHeader", "FixedHeader_Header", that._fnCloneThead));
+				}
+				if (s.oSides.bottom) {
+					s.aoCache.push(that._fnCloneTable("fixedFooter", "FixedHeader_Footer", that._fnCloneTfoot));
+				}
+				if (s.oSides.left) {
+					s.aoCache.push(that._fnCloneTable("fixedLeft", "FixedHeader_Left", that._fnCloneTLeft, s.oSides.left));
+				}
+				if (s.oSides.right) {
+					s.aoCache.push(that._fnCloneTable("fixedRight", "FixedHeader_Right", that._fnCloneTRight, s.oSides.right));
+				}
+
+				/* Event listeners for window movement */
+				FixedHeader.afnScroll.push(function () {
+					that._fnUpdatePositions.call(that);
+				});
+
+				$(window).resize(function () {
+					FixedHeader.fnMeasure();
+					that._fnUpdateClones.call(that);
+					that._fnUpdatePositions.call(that);
+				});
+
+				$(s.nTable)
+					.on('column-reorder', function () {
+							FixedHeader.fnMeasure();
+							that._fnUpdateClones(true);
+							that._fnUpdatePositions();
+						})
+					.on('column-visibility', function () {
+							FixedHeader.fnMeasure();
+							that._fnUpdateClones(true);
+							that._fnUpdatePositions();
+						});
+
+				/* Get things right to start with */
+				FixedHeader.fnMeasure();
+				that._fnUpdateClones();
+				that._fnUpdatePositions();
+
+				s.bInitComplete = true;
+			},
+
+
+			/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+			 * Support functions
+			 */
+
+			/*
+			 * Function: fnInitSettings
+			 * Purpose:  Take the user's settings and copy them to our local store
+			 * Returns:  -
+			 * Inputs:   object:s - the local settings object
+			 *           object:oInit - the user's settings object
+			 */
+			fnInitSettings: function (s, oInit) {
+				if (oInit !== undefined) {
+					if (oInit.top !== undefined) {
+						s.oSides.top = oInit.top;
+					}
+					if (oInit.bottom !== undefined) {
+						s.oSides.bottom = oInit.bottom;
+					}
+					if (typeof oInit.left == 'boolean') {
+						s.oSides.left = oInit.left ? 1 : 0;
+					}
+					else if (oInit.left !== undefined) {
+						s.oSides.left = oInit.left;
+					}
+					if (typeof oInit.right == 'boolean') {
+						s.oSides.right = oInit.right ? 1 : 0;
+					}
+					else if (oInit.right !== undefined) {
+						s.oSides.right = oInit.right;
+					}
+
+					if (oInit.zTop !== undefined) {
+						s.oZIndexes.top = oInit.zTop;
+					}
+					if (oInit.zBottom !== undefined) {
+						s.oZIndexes.bottom = oInit.zBottom;
+					}
+					if (oInit.zLeft !== undefined) {
+						s.oZIndexes.left = oInit.zLeft;
+					}
+					if (oInit.zRight !== undefined) {
+						s.oZIndexes.right = oInit.zRight;
+					}
+
+					if (oInit.offsetTop !== undefined) {
+						s.oOffset.top = oInit.offsetTop;
+					}
+					if (oInit.alwaysCloneTop !== undefined) {
+						s.oCloneOnDraw.top = oInit.alwaysCloneTop;
+					}
+					if (oInit.alwaysCloneBottom !== undefined) {
+						s.oCloneOnDraw.bottom = oInit.alwaysCloneBottom;
+					}
+					if (oInit.alwaysCloneLeft !== undefined) {
+						s.oCloneOnDraw.left = oInit.alwaysCloneLeft;
+					}
+					if (oInit.alwaysCloneRight !== undefined) {
+						s.oCloneOnDraw.right = oInit.alwaysCloneRight;
+					}
+				}
+			},
+
+			/*
+			 * Function: _fnCloneTable
+			 * Purpose:  Clone the table node and do basic initialisation
+			 * Returns:  -
+			 * Inputs:   -
+			 */
+			_fnCloneTable: function (sType, sClass, fnClone, iCells) {
+				var s = this.fnGetSettings();
+				var nCTable;
+
+				/* We know that the table _MUST_ has a DIV wrapped around it, because this is simply how
+				 * DataTables works. Therefore, we can set this to be relatively position (if it is not
+				 * alreadu absolute, and use this as the base point for the cloned header
+				 */
+				if ($(s.nTable.parentNode).css('position') != "absolute") {
+					s.nTable.parentNode.style.position = "relative";
+				}
+
+				/* Just a shallow clone will do - we only want the table node */
+				nCTable = s.nTable.cloneNode(false);
+				nCTable.removeAttribute('id');
+
+				var nDiv = document.createElement('div');
+				nDiv.style.position = "absolute";
+				nDiv.style.top = "0px";
+				nDiv.style.left = "0px";
+				nDiv.className += " FixedHeader_Cloned " + sType + " " + sClass;
+
+				/* Set the zIndexes */
+				if (sType == "fixedHeader") {
+					nDiv.style.zIndex = s.oZIndexes.top;
+				}
+				if (sType == "fixedFooter") {
+					nDiv.style.zIndex = s.oZIndexes.bottom;
+				}
+				if (sType == "fixedLeft") {
+					nDiv.style.zIndex = s.oZIndexes.left;
+				}
+				else if (sType == "fixedRight") {
+					nDiv.style.zIndex = s.oZIndexes.right;
+				}
+
+				/* remove margins since we are going to position it absolutely */
+				nCTable.style.margin = "0";
+
+				/* Insert the newly cloned table into the DOM, on top of the "real" header */
+				nDiv.appendChild(nCTable);
+				document.body.appendChild(nDiv);
+
+				return {
+					"nNode": nCTable,
+					"nWrapper": nDiv,
+					"sType": sType,
+					"sPosition": "",
+					"sTop": "",
+					"sLeft": "",
+					"fnClone": fnClone,
+					"iCells": iCells
+				};
+			},
+
+			/*
+			 * Function: _fnMeasure
+			 * Purpose:  Get the current positioning of the table in the DOM
+			 * Returns:  -
+			 * Inputs:   -
+			 */
+			_fnMeasure: function () {
+				var
+					s = this.fnGetSettings(),
+					m = s.oMes,
+					jqTable = $(s.nTable),
+					oOffset = jqTable.offset(),
+					iParentScrollTop = this._fnSumScroll(s.nTable.parentNode, 'scrollTop'),
+					iParentScrollLeft = this._fnSumScroll(s.nTable.parentNode, 'scrollLeft');
+
+				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 = "2.1.0";
+
+
+		/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+		 * 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
+
+
+	factory(jQuery, jQuery.fn.dataTable);
+
+
+})(window, document);
+