From 3f427876ad72d5892e3fd99c4d7b0ab49794c8f6 Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@biblibre.com>
Date: Tue, 7 May 2013 14:07:49 +0200
Subject: [PATCH] Bug 10212: Columns configuration for tables - Add Colvis
 files

This patch only adds Colvis js and css files.
---
 .../prog/en/css/datatables.colvis.css              |   77 ++
 .../lib/jquery/plugins/jquery.dataTables.colvis.js | 1014 ++++++++++++++++++++
 2 files changed, 1091 insertions(+)
 create mode 100644 koha-tmpl/intranet-tmpl/prog/en/css/datatables.colvis.css
 create mode 100644 koha-tmpl/intranet-tmpl/prog/en/lib/jquery/plugins/jquery.dataTables.colvis.js

diff --git a/koha-tmpl/intranet-tmpl/prog/en/css/datatables.colvis.css b/koha-tmpl/intranet-tmpl/prog/en/css/datatables.colvis.css
new file mode 100644
index 0000000..d161d63
--- /dev/null
+++ b/koha-tmpl/intranet-tmpl/prog/en/css/datatables.colvis.css
@@ -0,0 +1,77 @@
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * ColVis styles
+ */
+.ColVis {
+	float: right;
+	margin-bottom: 1em;
+}
+
+.ColVis_Button {
+	position: relative;
+	float: left;
+	margin-right: 3px;
+	padding: 3px 5px;
+	height: 30px;
+	background-color: #fff;
+	border: 1px solid #d0d0d0;
+	cursor: pointer;
+	*cursor: hand;
+}
+
+button.ColVis_Button::-moz-focus-inner { 
+	border: none !important;
+	padding: 0;
+}
+
+.ColVis_text_hover {
+	border: 1px solid #999;
+	background-color: #f0f0f0;
+}
+
+div.ColVis_collectionBackground {
+	background-color: black;
+	z-index: 1100;
+}
+
+div.ColVis_collection {
+	position: relative;
+	width: 150px;
+	background-color: #f3f3f3;
+	padding: 3px;
+	border: 1px solid #ccc;
+	z-index: 1102;
+}
+
+div.ColVis_collection button.ColVis_Button {
+	background-color: white;
+	width: 100%;
+	float: none;
+	margin-bottom: 2px;
+}
+
+div.ColVis_catcher {
+	position: absolute;
+	z-index: 1101;
+}
+
+.disabled {
+	color: #999;
+}
+
+
+
+button.ColVis_Button {
+	text-align: left;
+}
+
+div.ColVis_collection button.ColVis_Button:hover {
+	border: 1px solid #999;
+	background-color: #f0f0f0;
+}
+
+span.ColVis_radio {
+	display: inline-block;
+	width: 20px;
+}
+
diff --git a/koha-tmpl/intranet-tmpl/prog/en/lib/jquery/plugins/jquery.dataTables.colvis.js b/koha-tmpl/intranet-tmpl/prog/en/lib/jquery/plugins/jquery.dataTables.colvis.js
new file mode 100644
index 0000000..019e63b
--- /dev/null
+++ b/koha-tmpl/intranet-tmpl/prog/en/lib/jquery/plugins/jquery.dataTables.colvis.js
@@ -0,0 +1,1014 @@
+/*
+ * File:        ColVis.js
+ * Version:     1.0.8
+ * CVS:         $Id$
+ * Description: Controls for column visiblity in DataTables
+ * Author:      Allan Jardine (www.sprymedia.co.uk)
+ * Created:     Wed Sep 15 18:23:29 BST 2010
+ * Modified:    $Date$ by $Author$
+ * Language:    Javascript
+ * License:     GPL v2 or BSD 3 point style
+ * Project:     Just a little bit of fun :-)
+ * Contact:     www.sprymedia.co.uk/contact
+ * 
+ * Copyright 2010-2011 Allan Jardine, all rights reserved.
+ *
+ * This source file is free software, under either the GPL v2 license or a
+ * BSD style license, available at:
+ *   http://datatables.net/license_gpl2
+ *   http://datatables.net/license_bsd
+ */
+
+(function($) {
+
+/** 
+ * ColVis provides column visiblity control for DataTables
+ * @class ColVis
+ * @constructor
+ * @param {object} DataTables settings object
+ */
+ColVis = function( oDTSettings, oInit )
+{
+	/* Santiy check that we are a new instance */
+	if ( !this.CLASS || this.CLASS != "ColVis" )
+	{
+		alert( "Warning: ColVis must be initialised with the keyword 'new'" );
+	}
+	
+	if ( typeof oInit == 'undefined' )
+	{
+		oInit = {};
+	}
+	
+	
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Public class variables
+	 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+	
+	/**
+	 * @namespace Settings object which contains customisable information for ColVis instance
+	 */
+	this.s = {
+		/**
+		 * DataTables settings object
+		 *  @property dt
+		 *  @type     Object
+		 *  @default  null
+		 */
+		"dt": null,
+		
+		/**
+		 * Customisation object
+		 *  @property oInit
+		 *  @type     Object
+		 *  @default  passed in
+		 */
+		"oInit": oInit,
+		
+		/**
+		 * Callback function to tell the user when the state has changed
+		 *  @property fnStateChange
+		 *  @type     function
+		 *  @default  null
+		 */
+		"fnStateChange": null,
+		
+		/**
+		 * Mode of activation. Can be 'click' or 'mouseover'
+		 *  @property activate
+		 *  @type     String
+		 *  @default  click
+		 */
+		"activate": "click",
+		
+		/**
+		 * Position of the collection menu when shown - align "left" or "right"
+		 *  @property sAlign
+		 *  @type     String
+		 *  @default  right
+		 */
+		"sAlign": "left",
+		
+		/**
+		 * Text used for the button
+		 *  @property buttonText
+		 *  @type     String
+		 *  @default  Show / hide columns
+		 */
+		"buttonText": "Show / hide columns",
+		
+		/**
+		 * Flag to say if the collection is hidden
+		 *  @property hidden
+		 *  @type     boolean
+		 *  @default  true
+		 */
+		"hidden": true,
+		
+		/**
+		 * List of columns (integers) which should be excluded from the list
+		 *  @property aiExclude
+		 *  @type     Array
+		 *  @default  []
+		 */
+		"aiExclude": [],
+		
+		/**
+		 * Store the original viisbility settings so they could be restored
+		 *  @property abOriginal
+		 *  @type     Array
+		 *  @default  []
+		 */
+		"abOriginal": [],
+		
+		/**
+		 * Show Show-All button
+		 *  @property bShowAll
+		 *  @type     Array
+		 *  @default  []
+		 */
+		"bShowAll": false,
+		
+		/**
+		 * Show All button text
+		 *  @property sShowAll
+		 *  @type     String
+		 *  @default  Restore original
+		 */
+		"sShowAll": "Show All",
+		
+		/**
+		 * Show restore button
+		 *  @property bRestore
+		 *  @type     Array
+		 *  @default  []
+		 */
+		"bRestore": false,
+		
+		/**
+		 * Restore button text
+		 *  @property sRestore
+		 *  @type     String
+		 *  @default  Restore original
+		 */
+		"sRestore": "Restore original",
+		
+		/**
+		 * Overlay animation duration in mS
+		 *  @property iOverlayFade
+		 *  @type     Integer
+		 *  @default  500
+		 */
+		"iOverlayFade": 500,
+		
+		/**
+		 * Label callback for column names. Takes three parameters: 1. the column index, 2. the column
+		 * title detected by DataTables and 3. the TH node for the column
+		 *  @property fnLabel
+		 *  @type     Function
+		 *  @default  null
+		 */
+		"fnLabel": null,
+		
+		/**
+		 * Indicate if ColVis should automatically calculate the size of buttons or not. The default
+		 * is for it to do so. Set to "css" to disable the automatic sizing
+		 *  @property sSize
+		 *  @type     String
+		 *  @default  auto
+		 */
+		"sSize": "auto",
+		
+		/**
+		 * Indicate if the column list should be positioned by Javascript, visually below the button
+		 * or allow CSS to do the positioning
+		 *  @property bCssPosition
+		 *  @type     boolean
+		 *  @default  false
+		 */
+		"bCssPosition": false
+	};
+	
+	
+	/**
+	 * @namespace Common and useful DOM elements for the class instance
+	 */
+	this.dom = {
+		/**
+		 * Wrapper for the button - given back to DataTables as the node to insert
+		 *  @property wrapper
+		 *  @type     Node
+		 *  @default  null
+		 */
+		"wrapper": null,
+		
+		/**
+		 * Activation button
+		 *  @property button
+		 *  @type     Node
+		 *  @default  null
+		 */
+		"button": null,
+		
+		/**
+		 * Collection list node
+		 *  @property collection
+		 *  @type     Node
+		 *  @default  null
+		 */
+		"collection": null,
+		
+		/**
+		 * Background node used for shading the display and event capturing
+		 *  @property background
+		 *  @type     Node
+		 *  @default  null
+		 */
+		"background": null,
+		
+		/**
+		 * Element to position over the activation button to catch mouse events when using mouseover
+		 *  @property catcher
+		 *  @type     Node
+		 *  @default  null
+		 */
+		"catcher": null,
+		
+		/**
+		 * List of button elements
+		 *  @property buttons
+		 *  @type     Array
+		 *  @default  []
+		 */
+		"buttons": [],
+		
+		/**
+		 * Restore button
+		 *  @property restore
+		 *  @type     Node
+		 *  @default  null
+		 */
+		"restore": null
+	};
+	
+	/* Store global reference */
+	ColVis.aInstances.push( this );
+	
+	/* Constructor logic */
+	this.s.dt = oDTSettings;
+	this._fnConstruct();
+	return this;
+};
+
+
+
+ColVis.prototype = {
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Public methods
+	 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+	
+	/**
+	 * Rebuild the list of buttons for this instance (i.e. if there is a column header update)
+	 *  @method  fnRebuild
+	 *  @returns void
+	 */
+	"fnRebuild": function ()
+	{
+		/* Remove the old buttons */
+		for ( var i=this.dom.buttons.length-1 ; i>=0 ; i-- )
+		{
+			if ( this.dom.buttons[i] !== null )
+			{
+				this.dom.collection.removeChild( this.dom.buttons[i] );
+			}
+		}
+		this.dom.buttons.splice( 0, this.dom.buttons.length );
+		
+		if ( this.dom.restore )
+		{
+			this.dom.restore.parentNode( this.dom.restore );
+		}
+		
+		/* Re-add them (this is not the optimal way of doing this, it is fast and effective) */
+		this._fnAddButtons();
+		
+		/* Update the checkboxes */
+		this._fnDrawCallback();
+	},
+	
+	
+	
+	/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+	 * Private methods (they are of course public in JS, but recommended as private)
+	 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+	
+	/**
+	 * Constructor logic
+	 *  @method  _fnConstruct
+	 *  @returns void
+	 *  @private 
+	 */
+	"_fnConstruct": function ()
+	{
+		this._fnApplyCustomisation();
+		
+		var that = this;
+		var i, iLen;
+		this.dom.wrapper = document.createElement('div');
+		this.dom.wrapper.className = "ColVis TableTools";
+		
+		this.dom.button = this._fnDomBaseButton( this.s.buttonText );
+		this.dom.button.className += " ColVis_MasterButton";
+		this.dom.wrapper.appendChild( this.dom.button );
+		
+		this.dom.catcher = this._fnDomCatcher();
+		this.dom.collection = this._fnDomCollection();
+		this.dom.background = this._fnDomBackground();
+		
+		this._fnAddButtons();
+		
+		/* Store the original visbility information */
+		for ( i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
+		{
+			this.s.abOriginal.push( this.s.dt.aoColumns[i].bVisible );
+		}
+		
+		/* Update on each draw */
+		this.s.dt.aoDrawCallback.push( {
+			"fn": function () {
+				that._fnDrawCallback.call( that );
+			},
+			"sName": "ColVis"
+		} );
+
+		/* If columns are reordered, then we need to update our exclude list and
+		 * rebuild the displayed list
+		 */
+		$(this.s.dt.oInstance).bind( 'column-reorder', function ( e, oSettings, oReorder ) {
+			for ( i=0, iLen=that.s.aiExclude.length ; i<iLen ; i++ ) {
+				that.s.aiExclude[i] = oReorder.aiInvertMapping[ that.s.aiExclude[i] ];
+			}
+
+			var mStore = that.s.abOriginal.splice( oReorder.iFrom, 1 )[0];
+			that.s.abOriginal.splice( oReorder.iTo, 0, mStore );
+			
+			that.fnRebuild();
+		} );
+	},
+	
+	
+	/**
+	 * Apply any customisation to the settings from the DataTables initialisation
+	 *  @method  _fnApplyCustomisation
+	 *  @returns void
+	 *  @private 
+	 */
+	"_fnApplyCustomisation": function ()
+	{
+		var oConfig = this.s.oInit;
+		
+		if ( typeof oConfig.activate != 'undefined' )
+		{
+			this.s.activate = oConfig.activate;
+		}
+		
+		if ( typeof oConfig.buttonText != 'undefined' )
+		{
+			this.s.buttonText = oConfig.buttonText;
+		}
+		
+		if ( typeof oConfig.aiExclude != 'undefined' )
+		{
+			this.s.aiExclude = oConfig.aiExclude;
+		}
+		
+		if ( typeof oConfig.bRestore != 'undefined' )
+		{
+			this.s.bRestore = oConfig.bRestore;
+		}
+		
+		if ( typeof oConfig.sRestore != 'undefined' )
+		{
+			this.s.sRestore = oConfig.sRestore;
+		}
+		
+		if ( typeof oConfig.bShowAll != 'undefined' )
+		{
+			this.s.bShowAll = oConfig.bShowAll;
+		}
+		
+		if ( typeof oConfig.sShowAll != 'undefined' )
+		{
+			this.s.sShowAll = oConfig.sShowAll;
+		}
+		
+		if ( typeof oConfig.sAlign != 'undefined' )
+		{
+			this.s.sAlign = oConfig.sAlign;
+		}
+		
+		if ( typeof oConfig.fnStateChange != 'undefined' )
+		{
+			this.s.fnStateChange = oConfig.fnStateChange;
+		}
+		
+		if ( typeof oConfig.iOverlayFade != 'undefined' )
+		{
+			this.s.iOverlayFade = oConfig.iOverlayFade;
+		}
+		
+		if ( typeof oConfig.fnLabel != 'undefined' )
+		{
+			this.s.fnLabel = oConfig.fnLabel;
+		}
+		
+		if ( typeof oConfig.sSize != 'undefined' )
+		{
+			this.s.sSize = oConfig.sSize;
+		}
+
+		if ( typeof oConfig.bCssPosition != 'undefined' )
+		{
+			this.s.bCssPosition = oConfig.bCssPosition;
+		}
+	},
+	
+	
+	/**
+	 * On each table draw, check the visibility checkboxes as needed. This allows any process to
+	 * update the table's column visibility and ColVis will still be accurate.
+	 *  @method  _fnDrawCallback
+	 *  @returns void
+	 *  @private 
+	 */
+	"_fnDrawCallback": function ()
+	{
+		var aoColumns = this.s.dt.aoColumns;
+		
+		for ( var i=0, iLen=aoColumns.length ; i<iLen ; i++ )
+		{
+			if ( this.dom.buttons[i] !== null )
+			{
+				if ( aoColumns[i].bVisible )
+				{
+					$('input', this.dom.buttons[i]).attr('checked','checked');
+				}
+				else
+				{
+					$('input', this.dom.buttons[i]).removeAttr('checked');
+				}
+			}
+		}
+	},
+	
+	
+	/**
+	 * Loop through the columns in the table and as a new button for each one.
+	 *  @method  _fnAddButtons
+	 *  @returns void
+	 *  @private 
+	 */
+	"_fnAddButtons": function ()
+	{
+		var
+			nButton,
+			sExclude = ","+this.s.aiExclude.join(',')+",";
+		
+		for ( var i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
+		{
+			if ( sExclude.indexOf( ","+i+"," ) == -1 )
+			{
+				nButton = this._fnDomColumnButton( i );
+				this.dom.buttons.push( nButton );
+				this.dom.collection.appendChild( nButton );
+			}
+			else
+			{
+				this.dom.buttons.push( null );
+			}
+		}
+		
+		if ( this.s.bRestore )
+		{
+			nButton = this._fnDomRestoreButton();
+			nButton.className += " ColVis_Restore";
+			this.dom.buttons.push( nButton );
+			this.dom.collection.appendChild( nButton );
+		}
+		
+		if ( this.s.bShowAll )
+		{
+			nButton = this._fnDomShowAllButton();
+			nButton.className += " ColVis_ShowAll";
+			this.dom.buttons.push( nButton );
+			this.dom.collection.appendChild( nButton );
+		}
+	},
+	
+	
+	/**
+	 * Create a button which allows a "restore" action
+	 *  @method  _fnDomRestoreButton
+	 *  @returns {Node} Created button
+	 *  @private 
+	 */
+	"_fnDomRestoreButton": function ()
+	{
+		var
+			that = this,
+			nButton = document.createElement('button'),
+			nSpan = document.createElement('span');
+		
+		nButton.className = !this.s.dt.bJUI ? "ColVis_Button TableTools_Button" :
+			"ColVis_Button TableTools_Button ui-button ui-state-default";
+		nButton.appendChild( nSpan );
+		$(nSpan).html( '<span class="ColVis_title">'+this.s.sRestore+'</span>' );
+		
+		$(nButton).click( function (e) {
+			for ( var i=0, iLen=that.s.abOriginal.length ; i<iLen ; i++ )
+			{
+				that.s.dt.oInstance.fnSetColumnVis( i, that.s.abOriginal[i], false );
+			}
+			that._fnAdjustOpenRows();
+			that.s.dt.oInstance.fnAdjustColumnSizing( false );
+			that.s.dt.oInstance.fnDraw( false );
+		} );
+		
+		return nButton;
+	},
+	
+	
+	/**
+	 * Create a button which allows a "show all" action
+	 *  @method  _fnDomShowAllButton
+	 *  @returns {Node} Created button
+	 *  @private 
+	 */
+	"_fnDomShowAllButton": function ()
+	{
+		var
+			that = this,
+			nButton = document.createElement('button'),
+			nSpan = document.createElement('span');
+		
+		nButton.className = !this.s.dt.bJUI ? "ColVis_Button TableTools_Button" :
+			"ColVis_Button TableTools_Button ui-button ui-state-default";
+		nButton.appendChild( nSpan );
+		$(nSpan).html( '<span class="ColVis_title">'+this.s.sShowAll+'</span>' );
+		
+		$(nButton).click( function (e) {
+			for ( var i=0, iLen=that.s.abOriginal.length ; i<iLen ; i++ )
+			{
+				if (that.s.aiExclude.indexOf(i) === -1)
+				{
+					that.s.dt.oInstance.fnSetColumnVis( i, true, false );
+				}
+			}
+			that._fnAdjustOpenRows();
+			that.s.dt.oInstance.fnAdjustColumnSizing( false );
+			that.s.dt.oInstance.fnDraw( false );
+		} );
+		
+		return nButton;
+	},
+	
+	
+	/**
+	 * Create the DOM for a show / hide button
+	 *  @method  _fnDomColumnButton
+	 *  @param {int} i Column in question
+	 *  @returns {Node} Created button
+	 *  @private 
+	 */
+	"_fnDomColumnButton": function ( i )
+	{
+		var
+			that = this,
+			oColumn = this.s.dt.aoColumns[i],
+			nButton = document.createElement('button'),
+			nSpan = document.createElement('span'),
+			dt = this.s.dt;
+		
+		nButton.className = !dt.bJUI ? "ColVis_Button TableTools_Button" :
+			"ColVis_Button TableTools_Button ui-button ui-state-default";
+		nButton.appendChild( nSpan );
+		var sTitle = this.s.fnLabel===null ? oColumn.sTitle : this.s.fnLabel( i, oColumn.sTitle, oColumn.nTh );
+		$(nSpan).html(
+			'<span class="ColVis_radio"><input type="checkbox"/></span>'+
+			'<span class="ColVis_title">'+sTitle+'</span>' );
+		
+		$(nButton).click( function (e) {
+			var showHide = !$('input', this).is(":checked");
+			if ( e.target.nodeName.toLowerCase() == "input" )
+			{
+				showHide = $('input', this).is(":checked");
+			}
+			
+			/* Need to consider the case where the initialiser created more than one table - change the
+			 * API index that DataTables is using
+			 */
+			var oldIndex = $.fn.dataTableExt.iApiIndex;
+			$.fn.dataTableExt.iApiIndex = that._fnDataTablesApiIndex.call(that);
+
+			// Optimisation for server-side processing when scrolling - don't do a full redraw
+			if ( dt.oFeatures.bServerSide && (dt.oScroll.sX !== "" || dt.oScroll.sY !== "" ) )
+			{
+				that.s.dt.oInstance.fnSetColumnVis( i, showHide, false );
+				that.s.dt.oInstance.fnAdjustColumnSizing( false );
+				that.s.dt.oInstance.oApi._fnScrollDraw( that.s.dt );
+				that._fnDrawCallback();
+			}
+			else
+			{
+				that.s.dt.oInstance.fnSetColumnVis( i, showHide );
+			}
+
+			$.fn.dataTableExt.iApiIndex = oldIndex; /* Restore */
+			
+			if ( that.s.fnStateChange !== null )
+			{
+				that.s.fnStateChange.call( that, i, showHide );
+			}
+		} );
+		
+		return nButton;
+	},
+	
+	
+	/**
+	 * Get the position in the DataTables instance array of the table for this instance of ColVis
+	 *  @method  _fnDataTablesApiIndex
+	 *  @returns {int} Index
+	 *  @private 
+	 */
+	"_fnDataTablesApiIndex": function ()
+	{
+		for ( var i=0, iLen=this.s.dt.oInstance.length ; i<iLen ; i++ )
+		{
+			if ( this.s.dt.oInstance[i] == this.s.dt.nTable )
+			{
+				return i;
+			}
+		}
+		return 0;
+	},
+	
+	
+	/**
+	 * Create the DOM needed for the button and apply some base properties. All buttons start here
+	 *  @method  _fnDomBaseButton
+	 *  @param   {String} text Button text
+	 *  @returns {Node} DIV element for the button
+	 *  @private 
+	 */
+	"_fnDomBaseButton": function ( text )
+	{
+		var
+			that = this,
+			nButton = document.createElement('button'),
+			nSpan = document.createElement('span'),
+			sEvent = this.s.activate=="mouseover" ? "mouseover" : "click";
+		
+		nButton.className = !this.s.dt.bJUI ? "ColVis_Button TableTools_Button" :
+			"ColVis_Button TableTools_Button ui-button ui-state-default";
+		nButton.appendChild( nSpan );
+		nSpan.innerHTML = text;
+		
+		$(nButton).bind( sEvent, function (e) {
+			that._fnCollectionShow();
+			e.preventDefault();
+		} );
+		
+		return nButton;
+	},
+	
+	
+	/**
+	 * Create the element used to contain list the columns (it is shown and hidden as needed)
+	 *  @method  _fnDomCollection
+	 *  @returns {Node} div container for the collection
+	 *  @private 
+	 */
+	"_fnDomCollection": function ()
+	{
+		var that = this;
+		var nHidden = document.createElement('div');
+		nHidden.style.display = "none";
+		nHidden.className = !this.s.dt.bJUI ? "ColVis_collection TableTools_collection" :
+			"ColVis_collection TableTools_collection ui-buttonset ui-buttonset-multi";
+		
+		if ( !this.s.bCssPosition )
+		{
+			nHidden.style.position = "absolute";
+		}
+		$(nHidden).css('opacity', 0);
+		
+		return nHidden;
+	},
+	
+	
+	/**
+	 * An element to be placed on top of the activate button to catch events
+	 *  @method  _fnDomCatcher
+	 *  @returns {Node} div container for the collection
+	 *  @private 
+	 */
+	"_fnDomCatcher": function ()
+	{
+		var 
+			that = this,
+			nCatcher = document.createElement('div');
+		nCatcher.className = "ColVis_catcher TableTools_catcher";
+		
+		$(nCatcher).click( function () {
+			that._fnCollectionHide.call( that, null, null );
+		} );
+		
+		return nCatcher;
+	},
+	
+	
+	/**
+	 * Create the element used to shade the background, and capture hide events (it is shown and 
+	 * hidden as needed)
+	 *  @method  _fnDomBackground
+	 *  @returns {Node} div container for the background
+	 *  @private 
+	 */
+	"_fnDomBackground": function ()
+	{
+		var that = this;
+		
+		var nBackground = document.createElement('div');
+		nBackground.style.position = "absolute";
+		nBackground.style.left = "0px";
+		nBackground.style.top = "0px";
+		nBackground.className = "ColVis_collectionBackground TableTools_collectionBackground";
+		$(nBackground).css('opacity', 0);
+		
+		$(nBackground).click( function () {
+			that._fnCollectionHide.call( that, null, null );
+		} );
+		
+		/* When considering a mouse over action for the activation, we also consider a mouse out
+		 * which is the same as a mouse over the background - without all the messing around of
+		 * bubbling events. Use the catcher element to avoid messing around with bubbling
+		 */
+		if ( this.s.activate == "mouseover" )
+		{
+			$(nBackground).mouseover( function () {
+				that.s.overcollection = false;
+				that._fnCollectionHide.call( that, null, null );
+			} );
+		}
+		
+		return nBackground;
+	},
+	
+	
+	/**
+	 * Show the show / hide list and the background
+	 *  @method  _fnCollectionShow
+	 *  @returns void
+	 *  @private 
+	 */
+	"_fnCollectionShow": function ()
+	{
+		var that = this, i, iLen;
+		var oPos = $(this.dom.button).offset();
+		var nHidden = this.dom.collection;
+		var nBackground = this.dom.background;
+		var iDivX = parseInt(oPos.left, 10);
+		var iDivY = parseInt(oPos.top + $(this.dom.button).outerHeight(), 10);
+		
+		if ( !this.s.bCssPosition )
+		{
+			nHidden.style.top = iDivY+"px";
+			nHidden.style.left = iDivX+"px";
+		}
+		nHidden.style.display = "block";
+		$(nHidden).css('opacity',0);
+		
+		var iWinHeight = $(window).height(), iDocHeight = $(document).height(),
+		 	iWinWidth = $(window).width(), iDocWidth = $(document).width();
+		
+		nBackground.style.height = ((iWinHeight>iDocHeight)? iWinHeight : iDocHeight) +"px";
+		nBackground.style.width = ((iWinWidth<iDocWidth)? iWinWidth : iDocWidth) +"px";
+		
+		var oStyle = this.dom.catcher.style;
+		oStyle.height = $(this.dom.button).outerHeight()+"px";
+		oStyle.width = $(this.dom.button).outerWidth()+"px";
+		oStyle.top = oPos.top+"px";
+		oStyle.left = iDivX+"px";
+		
+		document.body.appendChild( nBackground );
+		document.body.appendChild( nHidden );
+		document.body.appendChild( this.dom.catcher );
+		
+		/* Resize the buttons */
+		if ( this.s.sSize == "auto" )
+		{
+			var aiSizes = [];
+			this.dom.collection.style.width = "auto";
+			for ( i=0, iLen=this.dom.buttons.length ; i<iLen ; i++ )
+			{
+				if ( this.dom.buttons[i] !== null )
+				{
+					this.dom.buttons[i].style.width = "auto";
+					aiSizes.push( $(this.dom.buttons[i]).outerWidth() );
+				}
+			}
+			iMax = Math.max.apply(window, aiSizes);
+			for ( i=0, iLen=this.dom.buttons.length ; i<iLen ; i++ )
+			{
+				if ( this.dom.buttons[i] !== null )
+				{
+					this.dom.buttons[i].style.width = iMax+"px";
+				}
+			}
+			this.dom.collection.style.width = iMax+"px";
+		}
+		
+		/* Visual corrections to try and keep the collection visible */
+		if ( !this.s.bCssPosition )
+		{
+			nHidden.style.left = this.s.sAlign=="left" ?
+				iDivX+"px" : (iDivX-$(nHidden).outerWidth()+$(this.dom.button).outerWidth())+"px";
+
+			var iDivWidth = $(nHidden).outerWidth();
+			var iDivHeight = $(nHidden).outerHeight();
+			
+			if ( iDivX + iDivWidth > iDocWidth )
+			{
+				nHidden.style.left = (iDocWidth-iDivWidth)+"px";
+			}
+		}
+		
+		/* This results in a very small delay for the end user but it allows the animation to be
+		 * much smoother. If you don't want the animation, then the setTimeout can be removed
+		 */
+		setTimeout( function () {
+			$(nHidden).animate({"opacity": 1}, that.s.iOverlayFade);
+			$(nBackground).animate({"opacity": 0.1}, that.s.iOverlayFade, 'linear', function () {
+				/* In IE6 if you set the checked attribute of a hidden checkbox, then this is not visually
+				 * reflected. As such, we need to do it here, once it is visible. Unbelievable.
+				 */
+				if ( jQuery.browser.msie && jQuery.browser.version == "6.0" )
+				{
+					that._fnDrawCallback();
+				}
+			});
+		}, 10 );
+		
+		this.s.hidden = false;
+	},
+	
+	
+	/**
+	 * Hide the show / hide list and the background
+	 *  @method  _fnCollectionHide
+	 *  @returns void
+	 *  @private 
+	 */
+	"_fnCollectionHide": function (  )
+	{
+		var that = this;
+		
+		if ( !this.s.hidden && this.dom.collection !== null )
+		{
+			this.s.hidden = true;
+			
+			$(this.dom.collection).animate({"opacity": 0}, that.s.iOverlayFade, function (e) {
+				this.style.display = "none";
+			} );
+			
+			$(this.dom.background).animate({"opacity": 0}, that.s.iOverlayFade, function (e) {
+				document.body.removeChild( that.dom.background );
+				document.body.removeChild( that.dom.catcher );
+			} );
+		}
+	},
+	
+	
+	/**
+	 * Alter the colspan on any fnOpen rows
+	 */
+	"_fnAdjustOpenRows": function ()
+	{
+		var aoOpen = this.s.dt.aoOpenRows;
+		var iVisible = this.s.dt.oApi._fnVisbleColumns( this.s.dt );
+		
+		for ( var i=0, iLen=aoOpen.length ; i<iLen ; i++ ) {
+			aoOpen[i].nTr.getElementsByTagName('td')[0].colSpan = iVisible;
+		}
+	}
+};
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Static object methods
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * Rebuild the collection for a given table, or all tables if no parameter given
+ *  @method  ColVis.fnRebuild
+ *  @static
+ *  @param   object oTable DataTable instance to consider - optional
+ *  @returns void
+ */
+ColVis.fnRebuild = function ( oTable )
+{
+	var nTable = null;
+	if ( typeof oTable != 'undefined' )
+	{
+		nTable = oTable.fnSettings().nTable;
+	}
+	
+	for ( var i=0, iLen=ColVis.aInstances.length ; i<iLen ; i++ )
+	{
+		if ( typeof oTable == 'undefined' || nTable == ColVis.aInstances[i].s.dt.nTable )
+		{
+			ColVis.aInstances[i].fnRebuild();
+		}
+	}
+};
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Static object properties
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * Collection of all ColVis instances
+ *  @property ColVis.aInstances
+ *  @static
+ *  @type     Array
+ *  @default  []
+ */
+ColVis.aInstances = [];
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Constants
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * Name of this class
+ *  @constant CLASS
+ *  @type     String
+ *  @default  ColVis
+ */
+ColVis.prototype.CLASS = "ColVis";
+
+
+/**
+ * ColVis version
+ *  @constant  VERSION
+ *  @type      String
+ *  @default   See code
+ */
+ColVis.VERSION = "1.0.8";
+ColVis.prototype.VERSION = ColVis.VERSION;
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Initialisation
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Register a new feature with DataTables
+ */
+if ( typeof $.fn.dataTable == "function" &&
+     typeof $.fn.dataTableExt.fnVersionCheck == "function" &&
+     $.fn.dataTableExt.fnVersionCheck('1.7.0') )
+{
+	$.fn.dataTableExt.aoFeatures.push( {
+		"fnInit": function( oDTSettings ) {
+			var init = (typeof oDTSettings.oInit.oColVis == 'undefined') ?
+				{} : oDTSettings.oInit.oColVis;
+			var oColvis = new ColVis( oDTSettings, init );
+			return oColvis.dom.wrapper;
+		},
+		"cFeature": "C",
+		"sFeature": "ColVis"
+	} );
+}
+else
+{
+	alert( "Warning: ColVis requires DataTables 1.7 or greater - www.datatables.net/download");
+}
+
+})(jQuery);
+
-- 
2.0.0.rc2