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/*
 * File:        TableTools.js
 * Version:     2.0.1
 * Description: Tools and buttons for DataTables
 * Author:      Allan Jardine (www.sprymedia.co.uk)
 * Language:    Javascript
 * License:     LGPL / 3 point BSD
 * Project:     DataTables
 * 
 * Copyright 2009-2011 Allan Jardine, all rights reserved.
 */

/* Global scope for TableTools */
var TableTools;

(function($, window, document) {

/** 
 * TableTools provides flexible buttons and other tools for a DataTables enhanced table
 * @class TableTools
 * @constructor
 * @param {Object} oDT DataTables instance
 * @param {Object} oOpts TableTools options
 * @param {String} oOpts.sSwfPath ZeroClipboard SWF path
 * @param {String} oOpts.sRowSelect Row selection options - 'none', 'single' or 'multi'
 * @param {Function} oOpts.fnPreRowSelect Callback function just prior to row selection
 * @param {Function} oOpts.fnRowSelected Callback function just after row selection
 * @param {Function} oOpts.fnRowDeselected Callback function when row is deselected
 * @param {Array} oOpts.aButtons List of buttons to be used
 */
TableTools = function( oDT, oOpts )
{
        /* Santiy check that we are a new instance */
        if ( !this.CLASS || this.CLASS != "TableTools" )
        {
                alert( "Warning: TableTools must be initialised with the keyword 'new'" );
        }
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Public class variables
         * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        
        /**
         * @namespace Settings object which contains customisable information for TableTools instance
         */
        this.s = {
    /**
     * Store 'this' so the instance can be retreieved from the settings object
                 * @property that
                 * @type     object
                 * @default  this
     */
                "that": this,
                
                /** 
                 * DataTables settings objects
                 * @property dt
                 * @type     object
                 * @default  null
                 */
                "dt": null,
                
                /**
                 * @namespace Print specific information
                 */
                "print": {
                        /** 
                         * DataTables draw 'start' point before the printing display was shown
                 * @property saveStart
                         *  @type     int
                 * @default  -1
                         */
                  "saveStart": -1,
                        
                        /** 
                         * DataTables draw 'length' point before the printing display was shown
                 * @property saveLength
                         *  @type     int
                 * @default  -1
                         */
                  "saveLength": -1,
                
                        /** 
                         * Page scrolling point before the printing display was shown so it can be restored
                 * @property saveScroll
                         *  @type     int
                 * @default  -1
                         */
                  "saveScroll": -1,
                
                        /** 
                         * Wrapped function to end the print display (to maintain scope)
                 * @property funcEnd
                         *  @type     Function
                 * @default  function () {}
                         */
                  "funcEnd": function () {}
          },
        
                /**
                 * A unique ID is assigned to each button in each instance
                 * @property buttonCounter
                 *  @type     int
                 * @default  0
                 */
          "buttonCounter": 0,
                
                /**
                 * @namespace Select rows specific information
                 */
                "select": {
                        /**
                         * Select type - can be 'none', 'single' or 'multi'
                 * @property type
                         *  @type     string
                 * @default  ""
                         */
                        "type": "",
                        
                        /**
                         * Array of nodes which are currently selected
                 * @property selected
                         *  @type     array
                 * @default  []
                         */
                        "selected": [],
                        
                        /**
                         * Function to run before the selection can take place. Will cancel the select if the
                         * function returns false
                 * @property preRowSelect
                         *  @type     Function
                 * @default  null
                         */
                        "preRowSelect": null,
                        
                        /**
                         * Function to run when a row is selected
                 * @property postSelected
                         *  @type     Function
                 * @default  null
                         */
                        "postSelected": null,
                        
                        /**
                         * Function to run when a row is deselected
                 * @property postDeselected
                         *  @type     Function
                 * @default  null
                         */
                        "postDeselected": null,
                        
                        /**
                         * Indicate if all rows are selected (needed for server-side processing)
                 * @property all
                         *  @type     boolean
                 * @default  false
                         */
                        "all": false,
                        
                        /**
                         * Class name to add to selected TR nodes
                 * @property selectedClass
                         *  @type     String
                         *  @default  ""
                         */
                        "selectedClass": ""
                },
                
                /**
                 * Store of the user input customisation object
                 * @property custom
                 *  @type     object
                 * @default  {}
                 */
                "custom": {},
                
                /**
                 * SWF movie path
                 * @property swfPath
                 *  @type     string
                 * @default  ""
                 */
                "swfPath": "",
                
                /**
                 * Default button set
                 * @property buttonSet
                 *  @type     array
                 * @default  []
                 */
                "buttonSet": [],
                
                /**
                 * When there is more than one TableTools instance for a DataTable, there must be a 
                 * master which controls events (row selection etc)
                 * @property master
                 *  @type     boolean
                 * @default  false
                 */
                "master": false
        };
        
        
        /**
         * @namespace Common and useful DOM elements for the class instance
         */
        this.dom = {
                /**
                 * DIV element that is create and all TableTools buttons (and their children) put into
                 *  @property container
                 *  @type     node
                 *  @default  null
                 */
                "container": null,
                
                /**
                 * The table node to which TableTools will be applied
                 *  @property table
                 *  @type     node
                 *  @default  null
                 */
                "table": null,
                
                /**
                 * @namespace Nodes used for the print display
                 */
                "print": {
                        /**
                         * Nodes which have been removed from the display by setting them to display none
                         *  @property hidden
                         *  @type     array
                         *  @default  []
                         */
                  "hidden": [],
                        
                        /**
                         * The information display saying tellng the user about the print display
                         *  @property message
                         *  @type     node
                         *  @default  null
                         */
                  "message": null
          },
                
                /**
                 * @namespace Nodes used for a collection display. This contains the currently used collection
                 */
                "collection": {
                        /**
                         * The div wrapper containing the buttons in the collection (i.e. the menu)
                         *  @property collection
                         *  @type     node
                         *  @default  null
                         */
                        "collection": null,
                        
                        /**
                         * Background display to provide focus and capture events
                         *  @property background
                         *  @type     node
                         *  @default  null
                         */
                        "background": null
                }
        };
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Public class methods
         * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        
        /**
         * Retreieve the settings object from an instance
         *  @method fnSettings
         *  @returns {object} TableTools settings object
         */
        this.fnSettings = function () {
                return this.s;
        };
        
        
        /* Constructor logic */
        if ( typeof oOpts == 'undefined' )
        {
                oOpts = {};
        }
        
        this.s.dt = oDT.fnSettings();
        this._fnConstruct( oOpts );
        
        return this;
};



TableTools.prototype = {
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Public methods
         * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        
        /**
         * Retreieve the settings object from an instance
         *  @method fnGetSelected
         *  @returns {array} List of TR nodes which are currently selected
         */
        "fnGetSelected": function ()
        {
                var masterS = this._fnGetMasterSettings();
                return masterS.select.selected;
        },
        
        /**
         * Check to see if a current row is selected or not
         *  @method fnGetSelected
         *  @param {Node} n TR node to check if it is currently selected or not
         *  @returns {Boolean} true if select, false otherwise
         */
        "fnIsSelected": function ( n )
        {
                var selected = this.fnGetSelected();
                for ( var i=0, iLen=selected.length ; i<iLen ; i++ )
                {
                        if ( n == selected[i] )
                        {
                                return true;
                        }
                }
                return false;
        },
        
        /**
         * Select all rows in the table
         *  @method  fnSelectAll
         *  @returns void
         */
        "fnSelectAll": function ()
        {
                var masterS = this._fnGetMasterSettings();
                masterS.that._fnRowSelectAll();
        },
        
        
        /**
         * Deselect all rows in the table
         *  @method  fnSelectNone
         *  @returns void
         */
        "fnSelectNone": function ()
        {
                var masterS = this._fnGetMasterSettings();
                masterS.that._fnRowDeselectAll();
        },
        
        
        /**
         * Get the title of the document - useful for file names. The title is retrieved from either
         * the configuration object's 'title' parameter, or the HTML document title
         *  @method  fnGetTitle
         *  @param   {Object} oConfig Button configuration object
         *  @returns {String} Button title
         */
        "fnGetTitle": function( oConfig )
        {
                var sTitle = "";
                if ( typeof oConfig.sTitle != 'undefined' && oConfig.sTitle !== "" ) {
                        sTitle = oConfig.sTitle;
                } else {
                        var anTitle = document.getElementsByTagName('title');
                        if ( anTitle.length > 0 )
                        {
                                sTitle = anTitle[0].innerHTML;
                        }
                }
                
                /* Strip characters which the OS will object to - checking for UTF8 support in the scripting
                 * engine
                 */
                if ( "\u00A1".toString().length < 4 ) {
                        return sTitle.replace(/[^a-zA-Z0-9_\u00A1-\uFFFF\.,\-_ !\(\)]/g, "");
                } else {
                        return sTitle.replace(/[^a-zA-Z0-9_\.,\-_ !\(\)]/g, "");
                }
        },
        
        
        /**
         * Calculate a unity array with the column width by proportion for a set of columns to be
         * included for a button. This is particularly useful for PDF creation, where we can use the
         * column widths calculated by the browser to size the columns in the PDF.
         *  @method  fnCalcColRations
         *  @param   {Object} oConfig Button configuration object
         *  @returns {Array} Unity array of column ratios
         */
        "fnCalcColRatios": function ( oConfig )
        {
                var
                        aoCols = this.s.dt.aoColumns,
                        aColumnsInc = this._fnColumnTargets( oConfig.mColumns ),
                        aColWidths = [],
                        iWidth = 0, iTotal = 0, i, iLen;
                
                for ( i=0, iLen=aColumnsInc.length ; i<iLen ; i++ )
                {
                        if ( aColumnsInc[i] )
                        {
                                iWidth = aoCols[i].nTh.offsetWidth;
                                iTotal += iWidth;
                                aColWidths.push( iWidth );
                        }
                }
                
                for ( i=0, iLen=aColWidths.length ; i<iLen ; i++ )
                {
                        aColWidths[i] = aColWidths[i] / iTotal;
                }
                
                return aColWidths.join('\t');
        },
        
        
        /**
         * Get the information contained in a table as a string
         *  @method  fnGetTableData
         *  @param   {Object} oConfig Button configuration object
         *  @returns {String} Table data as a string
         */
        "fnGetTableData": function ( oConfig )
        {
                /* In future this could be used to get data from a plain HTML source as well as DataTables */
                if ( this.s.dt )
                {
                        return this._fnGetDataTablesData( oConfig );
                }
        },
        
        
        /**
         * Pass text to a flash button instance, which will be used on the button's click handler
         *  @method  fnSetText
         *  @param   {Object} clip Flash button object
         *  @param   {String} text Text to set
         *  @returns void
         */
        "fnSetText": function ( clip, text )
        {
                this._fnFlashSetText( clip, text );
        },
        
        
        /**
         * Resize the flash elements of the buttons attached to this TableTools instance - this is
         * useful for when initialising TableTools when it is hidden (display:none) since sizes can't
         * be calculated at that time.
         *  @method  fnResizeButtons
         *  @returns void
         */
        "fnResizeButtons": function ()
        {
                for ( var cli in ZeroClipboard.clients )
                {
                        if ( cli )
                        {
                                var client = ZeroClipboard.clients[cli];
                                if ( typeof client.domElement != 'undefined' &&
                                     client.domElement.parentNode == this.dom.container )
                                {
                                        client.positionElement();
                                }
                        }
                }
        },
        
        
        /**
         * Check to see if any of the ZeroClipboard client's attached need to be resized
         *  @method  fnResizeRequired
         *  @returns void
         */
        "fnResizeRequired": function ()
        {
                for ( var cli in ZeroClipboard.clients )
                {
                        if ( cli )
                        {
                                var client = ZeroClipboard.clients[cli];
                                if ( typeof client.domElement != 'undefined' &&
                                     client.domElement.parentNode == this.dom.container &&
                                     client.sized === false )
                                {
                                        return true;
                                }
                        }
                }
                return false;
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Private methods (they are of course public in JS, but recommended as private)
         * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        
        /**
         * Constructor logic
         *  @method  _fnConstruct
         *  @param   {Object} oOpts Same as TableTools constructor
         *  @returns void
         *  @private 
         */
        "_fnConstruct": function ( oOpts )
        {
                this._fnCustomiseSettings( oOpts );
                
                /* Container element */
                this.dom.container = document.createElement('div');
                this.dom.container.style.position = "relative";
                this.dom.container.className = !this.s.dt.bJUI ? "DTTT_container" :
                        "DTTT_container ui-buttonset ui-buttonset-multi";
                
                /* Row selection config */
                if ( this.s.select.type != 'none' )
                {
                        this._fnRowSelectConfig();
                }
                
                /* Buttons */
                this._fnButtonDefinations( this.s.buttonSet, this.dom.container );
        },
        
        
        /**
         * Take the user defined settings and the default settings and combine them.
         *  @method  _fnCustomiseSettings
         *  @param   {Object} oOpts Same as TableTools constructor
         *  @returns void
         *  @private 
         */
        "_fnCustomiseSettings": function ( oOpts )
        {
                /* Is this the master control instance or not? */
                if ( typeof this.s.dt._TableToolsInit == 'undefined' )
                {
                        this.s.master = true;
                        this.s.dt._TableToolsInit = true;
                }
                
                /* We can use the table node from comparisons to group controls */
                this.dom.table = this.s.dt.nTable;
                
                /* Clone the defaults and then the user options */
                this.s.custom = $.extend( {}, TableTools.DEFAULTS, oOpts );
                
                /* Flash file location */
                this.s.swfPath = this.s.custom.sSwfPath;
                if ( typeof ZeroClipboard != 'undefined' )
                {
                        ZeroClipboard.moviePath = this.s.swfPath;
                }
                
                /* Table row selecting */
                this.s.select.type = this.s.custom.sRowSelect;
                this.s.select.preRowSelect = this.s.custom.fnPreRowSelect;
                this.s.select.postSelected = this.s.custom.fnRowSelected;
                this.s.select.postDeselected = this.s.custom.fnRowDeselected;
                this.s.select.selectedClass = this.s.custom.sSelectedClass;
                
                /* Button set */
                this.s.buttonSet = this.s.custom.aButtons;
        },
        
        
        /**
         * Take the user input arrays and expand them to be fully defined, and then add them to a given
         * DOM element
         *  @method  _fnButtonDefinations
         *  @param {array} buttonSet Set of user defined buttons
         *  @param {node} wrapper Node to add the created buttons to
         *  @returns void
         *  @private 
         */
        "_fnButtonDefinations": function ( buttonSet, wrapper )
        {
                var buttonDef;
                
                for ( var i=0, iLen=buttonSet.length ; i<iLen ; i++ )
                {
                        if ( typeof buttonSet[i] == "string" )
                        {
                                if ( typeof TableTools.BUTTONS[ buttonSet[i] ] == 'undefined' )
                                {
                                        alert( "TableTools: Warning - unknown button type: "+buttonSet[i] );
                                        continue;
                                }
                                buttonDef = $.extend( {}, TableTools.BUTTONS[ buttonSet[i] ], true );
                        }
                        else
                        {
                                if ( typeof TableTools.BUTTONS[ buttonSet[i].sExtends ] == 'undefined' )
                                {
                                        alert( "TableTools: Warning - unknown button type: "+buttonSet[i].sExtends );
                                        continue;
                                }
                                var o = $.extend( {}, TableTools.BUTTONS[ buttonSet[i].sExtends ], true );
                                buttonDef = $.extend( o, buttonSet[i], true );
                        }
                        
                        if ( this.s.dt.bJUI )
                        {
                                buttonDef.sButtonClass += " ui-button ui-state-default";
                                buttonDef.sButtonClassHover += " ui-button ui-state-default ui-state-hover";
                        }
                        
                        wrapper.appendChild( this._fnCreateButton( buttonDef ) );
                }
        },
        
        
        /**
         * Create and configure a TableTools button
         *  @method  _fnCreateButton
         *  @param   {Object} oConfig Button configuration object
         *  @returns {Node} Button element
         *  @private 
         */
        "_fnCreateButton": function ( oConfig )
        {
          var nButton = this._fnButtonBase( oConfig );
                
    if ( oConfig.sAction == "print" )
    {
      this._fnPrintConfig( nButton, oConfig );
    }
    else if ( oConfig.sAction.match(/flash/) )
    {
      this._fnFlashConfig( nButton, oConfig );
    }
    else if ( oConfig.sAction == "text" )
    {
      this._fnTextConfig( nButton, oConfig );
    }
    else if ( oConfig.sAction == "collection" )
    {
      this._fnTextConfig( nButton, oConfig );
                        this._fnCollectionConfig( nButton, oConfig );
    }
                
          return nButton;
  },
        
        
        /**
         * Create the DOM needed for the button and apply some base properties. All buttons start here
         *  @method  _fnButtonBase
         *  @param   {o} oConfig Button configuration object
         *  @returns {Node} DIV element for the button
         *  @private 
         */
        "_fnButtonBase": function ( o )
        {
                var
                  nButton = document.createElement('button'),
                  nSpan = document.createElement('span'),
                        masterS = this._fnGetMasterSettings();
                
                nButton.className = "DTTT_button "+o.sButtonClass;
                nButton.setAttribute('id', "ToolTables_"+this.s.dt.sInstance+"_"+masterS.buttonCounter );
                nButton.appendChild( nSpan );
                nSpan.innerHTML = o.sButtonText;
                
                masterS.buttonCounter++;
                
                return nButton;
        },
        
        
        /**
         * Get the settings object for the master instance. When more than one TableTools instance is
         * assigned to a DataTable, only one of them can be the 'master' (for the select rows). As such,
         * we will typically want to interact with that master for global properties.
         *  @method  _fnGetMasterSettings
         *  @returns {Object} TableTools settings object
         *  @private 
         */
        "_fnGetMasterSettings": function ()
        {
                if ( this.s.master )
                {
                        return this.s;
                }
                else
                {
                        /* Look for the master which has the same DT as this one */
                        var instances = TableTools._aInstances;
                        for ( var i=0, iLen=instances.length ; i<iLen ; i++ )
                        {
                                if ( this.dom.table == instances[i].s.dt.nTable )
                                {
                                        return instances[i].s;
                                }
                        }
                }
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Button collection functions
         */
        
        /**
         * Create a collection button, when activated will present a drop downlist of other buttons
         *  @param   {Node} nButton Button to use for the collection activation
         *  @param   {Object} oConfig Button configuration object
         *  @returns void
         *  @private
         */
        "_fnCollectionConfig": function ( nButton, oConfig )
        {
                var nHidden = document.createElement('div');
                nHidden.style.display = "none";
                nHidden.className = !this.s.dt.bJUI ? "DTTT_collection" :
                        "DTTT_collection ui-buttonset ui-buttonset-multi";
                oConfig._collection = nHidden;
                
                this._fnButtonDefinations( oConfig.aButtons, nHidden );
        },
        
        
        /**
         * Show a button collection
         *  @param   {Node} nButton Button to use for the collection
         *  @param   {Object} oConfig Button configuration object
         *  @returns void
         *  @private
         */
        "_fnCollectionShow": function ( nButton, oConfig )
        {
                var
                        that = this,
                        oPos = $(nButton).offset(),
                        nHidden = oConfig._collection,
                        iDivX = oPos.left,
                        iDivY = oPos.top + $(nButton).outerHeight(),
                        iWinHeight = $(window).height(), iDocHeight = $(document).height(),
                        iWinWidth = $(window).width(), iDocWidth = $(document).width();
                
                nHidden.style.position = "absolute";
                nHidden.style.left = iDivX+"px";
                nHidden.style.top = iDivY+"px";
                nHidden.style.display = "block";
                $(nHidden).css('opacity',0);
                
                var nBackground = document.createElement('div');
                nBackground.style.position = "absolute";
                nBackground.style.left = "0px";
                nBackground.style.top = "0px";
                nBackground.style.height = ((iWinHeight>iDocHeight)? iWinHeight : iDocHeight) +"px";
                nBackground.style.width = ((iWinWidth>iDocWidth)? iWinWidth : iDocWidth) +"px";
                nBackground.className = "DTTT_collection_background";
                $(nBackground).css('opacity',0);
                
                document.body.appendChild( nBackground );
                document.body.appendChild( nHidden );
                
                /* Visual corrections to try and keep the collection visible */
                var iDivWidth = $(nHidden).outerWidth();
                var iDivHeight = $(nHidden).outerHeight();
                
                if ( iDivX + iDivWidth > iDocWidth )
                {
                        nHidden.style.left = (iDocWidth-iDivWidth)+"px";
                }
                
                if ( iDivY + iDivHeight > iDocHeight )
                {
                        nHidden.style.top = (iDivY-iDivHeight-$(nButton).outerHeight())+"px";
                }
        
                this.dom.collection.collection = nHidden;
                this.dom.collection.background = nBackground;
                
                /* 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}, 500);
                        $(nBackground).animate({"opacity": 0.25}, 500);
                }, 10 );
                
                /* Event handler to remove the collection display */
                $(nBackground).click( function () {
                        that._fnCollectionHide.call( that, null, null );
                } );
        },
        
        
        /**
         * Hide a button collection
         *  @param   {Node} nButton Button to use for the collection
         *  @param   {Object} oConfig Button configuration object
         *  @returns void
         *  @private
         */
        "_fnCollectionHide": function ( nButton, oConfig )
        {
                if ( oConfig !== null && oConfig.sExtends == 'collection' )
                {
                        return;
                }
                
                if ( this.dom.collection.collection !== null )
                {
                        $(this.dom.collection.collection).animate({"opacity": 0}, 500, function (e) {
                                this.style.display = "none";
                        } );
                        
                        $(this.dom.collection.background).animate({"opacity": 0}, 500, function (e) {
                                this.parentNode.removeChild( this );
                        } );
                        
                        this.dom.collection.collection = null;
                        this.dom.collection.background = null;
                }
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Row selection functions
         */
        
        /**
         * Add event handlers to a table to allow for row selection
         *  @method  _fnRowSelectConfig
         *  @returns void
         *  @private 
         */
        "_fnRowSelectConfig": function ()
        {
                if ( this.s.master )
                {
                        var
                                that = this, 
                                i, iLen, 
                                aoOpenRows = this.s.dt.aoOpenRows;
                        
                        $(that.s.dt.nTable).addClass( 'DTTT_selectable' );
                        
                        $('tr', that.s.dt.nTBody).live( 'click', function(e) {
                                /* Sub-table must be ignored (odd that the selector won't do this with >) */
                                if ( this.parentNode != that.s.dt.nTBody )
                                {
                                        return;
                                }
                                
                                /* Not interested in selecting 'opened' rows */
                                for ( i=0, iLen=aoOpenRows.length ; i<iLen ; i++ )
                                {
                                        if ( this == aoOpenRows[i].nTr )
                                        {
                                                return;
                                        }
                                }
                                
                                /* User defined selection function */
                                if ( that.s.select.preRowSelect !== null && !that.s.select.preRowSelect.call(that, e) )
                                {
                                        return;
                                }
                                
                                /* And go */
                                if ( that.s.select.type == "single" )
                                {
                                        that._fnRowSelectSingle.call( that, this );
                                }
                                else
                                {
                                        that._fnRowSelectMulti.call( that, this );
                                }
                        } );
                        
                        /* Add a draw callback handler for when 'select' all is active and we are using server-side
                         * processing, so TableTools will automatically select the new rows for us
                         */
                        that.s.dt.aoDrawCallback.push( {
                                "fn": function () {
                                        if ( that.s.select.all && that.s.dt.oFeatures.bServerSide )
                                        {
                                                that.fnSelectAll();
                                        }
                                },
                                "sName": "TableTools_select"
                        } );
                }
        },
        
        
        /**
         * Select or deselect a row based on its current state when only one row is allowed to be
         * selected at a time (i.e. if there is a row already selected, deselect it). If the selected
         * row is the one being passed in, just deselect and take no further action.
         *  @method  _fnRowSelectSingle
         *  @param   {Node} nNode TR element which is being 'activated' in some way
         *  @returns void
         *  @private 
         */
        "_fnRowSelectSingle": function ( nNode )
        {
                if ( this.s.master )
                {
                        /* Do nothing on the DataTables 'empty' result set row */
                        if ( $('td', nNode).hasClass(this.s.dt.oClasses.sRowEmpty) )
                        {
                                return;
                        }
                        
                        if ( $(nNode).hasClass(this.s.select.selectedClass) )
                        {
                                this._fnRowDeselect( nNode );
                        }
                        else
                        {
                                if ( this.s.select.selected.length !== 0 )
                                {
                                        this._fnRowDeselectAll();
                                }
                                
                                this.s.select.selected.push( nNode );
                                $(nNode).addClass( this.s.select.selectedClass );
                                
                                if ( this.s.select.postSelected !== null )
                                {
                                        this.s.select.postSelected.call( this, nNode );
                                }
                        }
                        
                        TableTools._fnEventDispatch( this, 'select', nNode );
                }
        },
        
        
        /**
         * Select or deselect a row based on its current state when multiple rows are allowed to be
         * selected.
         *  @method  _fnRowSelectMulti
         *  @param   {Node} nNode TR element which is being 'activated' in some way
         *  @returns void
         *  @private 
         */
        "_fnRowSelectMulti": function ( nNode )
        {
                if ( this.s.master )
                {
                        /* Do nothing on the DataTables 'empty' result set row */
                        if ( $('td', nNode).hasClass(this.s.dt.oClasses.sRowEmpty) )
                        {
                                return;
                        }
                        
                        if ( $(nNode).hasClass(this.s.select.selectedClass) )
                        {
                                this._fnRowDeselect( nNode );
                        }
                        else
                        {
                                this.s.select.selected.push( nNode );
                                $(nNode).addClass( this.s.select.selectedClass );
                                
                                if ( this.s.select.postSelected !== null )
                                {
                                        this.s.select.postSelected.call( this, nNode );
                                }
                        }
                        
                        TableTools._fnEventDispatch( this, 'select', nNode );
                }
        },
        
        
        /**
         * Select all TR elements in the table. Note that this function will still operate in 'single'
         * select mode, which might not be what you desire (in which case, don't call this function!)
         *  @method  _fnRowSelectAll
         *  @returns void
         *  @private 
         */
        "_fnRowSelectAll": function ( )
        {
                if ( this.s.master )
                {
                        var n;
                        for ( var i=0, iLen=this.s.dt.aiDisplayMaster.length ; i<iLen ; i++ )
                        {
                                n = this.s.dt.aoData[ this.s.dt.aiDisplayMaster[i] ].nTr;
                                
                                if ( !$(n).hasClass(this.s.select.selectedClass) )
                                {
                                        this.s.select.selected.push( n );
                                        $(n).addClass( this.s.select.selectedClass );
                                }
                        }
                        
                        this.s.select.all = true;
                        TableTools._fnEventDispatch( this, 'select', null );
                }
        },
        
        
        /**
         * Deselect all TR elements in the table. If nothing is currently selected, then no action is
         * taken.
         *  @method  _fnRowDeselectAll
         *  @returns void
         *  @private 
         */
        "_fnRowDeselectAll": function ( )
        {
                if ( this.s.master )
                {
                        for ( var i=this.s.select.selected.length-1 ; i>=0 ; i-- )
                        {
                                this._fnRowDeselect( i );
                        }
                        
                        this.s.select.all = false;
                        TableTools._fnEventDispatch( this, 'select', null );
                }
        },
        
        
        /**
         * Deselect a single row, based on its index in the selected array, or a TR node (when the
         * index is then computed)
         *  @method  _fnRowDeselect
         *  @param   {int|Node} i Node or index of node in selected array, which is to be deselected
         *  @returns void
         *  @private 
         */
        "_fnRowDeselect": function ( i )
        {
                if ( typeof i.nodeName != 'undefined' )
                {
                        i = $.inArray( i, this.s.select.selected );
                }
                
                var nNode = this.s.select.selected[i];
                $(nNode).removeClass(this.s.select.selectedClass);
                this.s.select.selected.splice( i, 1 );
                
                if ( this.s.select.postDeselected !== null )
                {
                        this.s.select.postDeselected.call( this, nNode );
                }
                
                this.s.select.all = false;
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Text button functions
         */
        
        /**
         * Configure a text based button for interaction events
         *  @method  _fnTextConfig
         *  @param   {Node} nButton Button element which is being considered
         *  @param   {Object} oConfig Button configuration object
         *  @returns void
         *  @private 
         */
        "_fnTextConfig": function ( nButton, oConfig )
        {
                var that = this;
                
                if ( oConfig.fnInit !== null )
                {
                        oConfig.fnInit.call( this, nButton, oConfig );
                }
                
                if ( oConfig.sToolTip !== "" )
                {
                        nButton.title = oConfig.sToolTip;
                }
                
          $(nButton).hover( function () {
                        $(nButton).removeClass( oConfig.sButtonClass ).
                                addClass(oConfig.sButtonClassHover );
                        if ( oConfig.fnMouseover !== null )
                        {
                                oConfig.fnMouseover.call( this, nButton, oConfig, null );
                        }
                }, function () {
                        $(nButton).removeClass( oConfig.sButtonClassHover ).
                                addClass( oConfig.sButtonClass );
                        if ( oConfig.fnMouseout !== null )
                        {
                                oConfig.fnMouseout.call( this, nButton, oConfig, null );
                        }
                } );
                
                if ( oConfig.fnSelect !== null )
                {
                        TableTools._fnEventListen( this, 'select', function (n) {
                                oConfig.fnSelect.call( that, nButton, oConfig, n );
                        } );
                }
                
                $(nButton).click( function (e) {
                        e.preventDefault();
                        
                        if ( oConfig.fnClick !== null )
                        {
                                oConfig.fnClick.call( that, nButton, oConfig, null );
                        }
                        
                        /* Provide a complete function to match the behaviour of the flash elements */
                        if ( oConfig.fnComplete !== null )
                        {
                                oConfig.fnComplete.call( that, nButton, oConfig, null, null );
                        }
                        
                        that._fnCollectionHide( nButton, oConfig );
                } );
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Flash button functions
         */
        
        /**
         * Configure a flash based button for interaction events
         *  @method  _fnFlashConfig
         *  @param   {Node} nButton Button element which is being considered
         *  @param   {o} oConfig Button configuration object
         *  @returns void
         *  @private 
         */
        "_fnFlashConfig": function ( nButton, oConfig )
        {
          var that = this;
                var flash = new ZeroClipboard.Client();
                
                if ( oConfig.fnInit !== null )
                {
                        oConfig.fnInit.call( this, nButton, oConfig );
                }
                
                flash.setHandCursor( true );
                
                if ( oConfig.sAction == "flash_save" )
                {
                        flash.setAction( 'save' );
                        flash.setCharSet( (oConfig.sCharSet=="utf16le") ? 'UTF16LE' : 'UTF8' );
                        flash.setBomInc( oConfig.bBomInc );
                        flash.setFileName( oConfig.sFileName.replace('*', this.fnGetTitle(oConfig)) );
                }
                else if ( oConfig.sAction == "flash_pdf" )
                {
                        flash.setAction( 'pdf' );
                        flash.setFileName( oConfig.sFileName.replace('*', this.fnGetTitle(oConfig)) );
                }
                else
                {
                        flash.setAction( 'copy' );
                }
                
                flash.addEventListener('mouseOver', function(client) {
                        $(nButton).removeClass( oConfig.sButtonClass ).
                                addClass(oConfig.sButtonClassHover );
                        
                        if ( oConfig.fnMouseover !== null )
                        {
                                oConfig.fnMouseover.call( that, nButton, oConfig, flash );
                        }
                } );
                
                flash.addEventListener('mouseOut', function(client) {
                        $(nButton).removeClass( oConfig.sButtonClassHover ).
                                addClass(oConfig.sButtonClass );
                        
                        if ( oConfig.fnMouseout !== null )
                        {
                                oConfig.fnMouseout.call( that, nButton, oConfig, flash );
                        }
                } );
                
                flash.addEventListener('mouseDown', function(client) {
                        if ( oConfig.fnClick !== null )
                        {
                                oConfig.fnClick.call( that, nButton, oConfig, flash );
                        }
                } );
                
                flash.addEventListener('complete', function (client, text) {
                        if ( oConfig.fnComplete !== null )
                        {
                                oConfig.fnComplete.call( that, nButton, oConfig, flash, text );
                        }
                        that._fnCollectionHide( nButton, oConfig );
                } );
                
                this._fnFlashGlue( flash, nButton, oConfig.sToolTip );
        },
        
        
        /**
         * Wait until the id is in the DOM before we "glue" the swf. Note that this function will call
         * itself (using setTimeout) until it completes successfully
         *  @method  _fnFlashGlue
         *  @param   {Object} clip Zero clipboard object
         *  @param   {Node} node node to glue swf to
         *  @param   {String} text title of the flash movie
         *  @returns void
         *  @private 
         */
        "_fnFlashGlue": function ( flash, node, text )
        {
          var that = this;
          var id = node.getAttribute('id');
          
                if ( document.getElementById(id) )
                {
                        flash.glue( node, text );
                        
                        /* Catch those who are using a TableTools 1 version of ZeroClipboard */
                        if ( flash.domElement.parentNode != flash.div.parentNode && 
                                   typeof that.__bZCWarning == 'undefined' )
                        {
                                that.s.dt.oApi._fnLog( this.s.dt, 0, "It looks like you are using the version of "+
                                        "ZeroClipboard which came with TableTools 1. Please update to use the version that "+
                                        "came with TableTools 2." );
                                that.__bZCWarning = true;
                        }
                }
                else
                {
                        setTimeout( function () {
                                that._fnFlashGlue( flash, node, text );
                        }, 100 );
                }
        },
        
        
        /**
         * Set the text for the flash clip to deal with
         * 
         * This function is required for large information sets. There is a limit on the 
         * amount of data that can be transfered between Javascript and Flash in a single call, so
         * we use this method to build up the text in Flash by sending over chunks. It is estimated
         * that the data limit is around 64k, although it is undocuments, and appears to be different
         * between different flash versions. We chunk at 8KiB.
         *  @method  _fnFlashSetText
         *  @param   {Object} clip the ZeroClipboard object
         *  @param   {String} sData the data to be set
         *  @returns void
         *  @private 
         */
        "_fnFlashSetText": function ( clip, sData )
        {
                var asData = this._fnChunkData( sData, 8192 );
                
                clip.clearText();
                for ( var i=0, iLen=asData.length ; i<iLen ; i++ )
                {
                        clip.appendText( asData[i] );
                }
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Data retrieval functions
         */
        
        /**
         * Convert the mixed columns variable into a boolean array the same size as the columns, which
         * indicates which columns we want to include
         *  @method  _fnColumnTargets
         *  @param   {String|Array} mColumns The columns to be included in data retreieval. If a string
         *             then it can take the value of "visible" or "hidden" (to include all visible or
         *             hidden columns respectively). Or an array of column indexes
         *  @returns {Array} A boolean array the length of the columns of the table, which each value
         *             indicating if the column is to be included or not
         *  @private 
         */
        "_fnColumnTargets": function ( mColumns )
        {
                var aColumns = [];
                var dt = this.s.dt;
                
                if ( typeof mColumns == "object" )
                {
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                aColumns.push( false );
                        }
                        
                        for ( i=0, iLen=mColumns.length ; i<iLen ; i++ )
                        {
                                aColumns[ mColumns[i] ] = true;
                        }
                }
                else if ( mColumns == "visible" )
                {
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                aColumns.push( dt.aoColumns[i].bVisible ? true : false );
                        }
                }
                else if ( mColumns == "hidden" )
                {
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                aColumns.push( dt.aoColumns[i].bVisible ? false : true );
                        }
                }
                else /* all */
                {
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                aColumns.push( true );
                        }
                }
                
                return aColumns;
        },
        
        
        /**
         * New line character(s) depend on the platforms
         *  @method  method
         *  @param   {Object} oConfig Button configuration object - only interested in oConfig.sNewLine
         *  @returns {String} Newline character
         */
        "_fnNewline": function ( oConfig )
        {
                if ( oConfig.sNewLine == "auto" )
                {
                        return navigator.userAgent.match(/Windows/) ? "\r\n" : "\n";
                }
                else
                {
                        return oConfig.sNewLine;
                }
        },
        
        
        /**
         * Get data from DataTables' internals and format it for output
         *  @method  _fnGetDataTablesData
         *  @param   {Object} oConfig Button configuration object
         *  @param   {String} oConfig.sFieldBoundary Field boundary for the data cells in the string
         *  @param   {String} oConfig.sFieldSeperator Field seperator for the data cells
         *  @param   {String} oConfig.sNewline New line options
         *  @param   {Mixed} oConfig.mColumns Which columns should be included in the output
         *  @param   {Boolean} oConfig.bHeader Include the header
         *  @param   {Boolean} oConfig.bFooter Include the footer
         *  @param   {Boolean} oConfig.bSelectedOnly Include only the selected rows in the output
         *  @returns {String} Concatinated string of data
         *  @private 
         */
        "_fnGetDataTablesData": function ( oConfig )
        {
                var i, iLen, j, jLen;
                var sData = '', sLoopData = '';
                var dt = this.s.dt;
                var regex = new RegExp(oConfig.sFieldBoundary, "g"); /* Do it here for speed */
                var aColumnsInc = this._fnColumnTargets( oConfig.mColumns );
                var sNewline = this._fnNewline( oConfig );
                
                /*
                 * Header
                 */
                if ( oConfig.bHeader )
                {
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                if ( aColumnsInc[i] )
                                {
                                        sLoopData = dt.aoColumns[i].sTitle.replace(/\n/g," ").replace( /<.*?>/g, "" );
                                        sLoopData = this._fnHtmlDecode( sLoopData );
                                        
                                        sData += this._fnBoundData( sLoopData, oConfig.sFieldBoundary, regex ) +
                                                oConfig.sFieldSeperator;
                                }
                        }
                        sData = sData.slice( 0, oConfig.sFieldSeperator.length*-1 );
                        sData += sNewline;
                }
                
                /*
                 * Body
                 */
                for ( j=0, jLen=dt.aiDisplay.length ; j<jLen ; j++ )
                {
                        if ( typeof oConfig.bSelectedOnly && oConfig.bSelectedOnly && 
                                   !$(dt.aoData[ dt.aiDisplay[j] ].nTr).hasClass( this.s.select.selectedClass ) )
                        {
                                continue;
                        }
                        
                        /* Columns */
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                if ( aColumnsInc[i] )
                                {
                                        /* Convert to strings (with small optimisation) */
                                        var mTypeData = dt.aoData[ dt.aiDisplay[j] ]._aData[ i ];
                                        if ( typeof mTypeData == "string" )
                                        {
                                                /* Strip newlines, replace img tags with alt attr. and finally strip html... */
                                                sLoopData = mTypeData.replace(/\n/g," ");
                                                sLoopData =
                                                        sLoopData.replace(/<img.*?\s+alt\s*=\s*(?:"([^"]+)"|'([^']+)'|([^\s>]+)).*?>/gi,
                                                                '$1$2$3');
                                                sLoopData = sLoopData.replace( /<.*?>/g, "" );
                                        }
                                        else
                                        {
                                                sLoopData = mTypeData+"";
                                        }
                                        
                                        /* Trim and clean the data */
                                        sLoopData = sLoopData.replace(/^\s+/, '').replace(/\s+$/, '');
                                        sLoopData = this._fnHtmlDecode( sLoopData );
                                        
                                        /* Bound it and add it to the total data */
                                        sData += this._fnBoundData( sLoopData, oConfig.sFieldBoundary, regex ) +
                                                oConfig.sFieldSeperator;
                                }
                        }
                        sData = sData.slice( 0, oConfig.sFieldSeperator.length*-1 );
                        sData += sNewline;
                }
                
                /* Remove the last new line */
                sData.slice( 0, -1 );
                
                /*
                 * Footer
                 */
                if ( oConfig.bFooter )
                {
                        for ( i=0, iLen=dt.aoColumns.length ; i<iLen ; i++ )
                        {
                                if ( aColumnsInc[i] && dt.aoColumns[i].nTf !== null )
                                {
                                        sLoopData = dt.aoColumns[i].nTf.innerHTML.replace(/\n/g," ").replace( /<.*?>/g, "" );
                                        sLoopData = this._fnHtmlDecode( sLoopData );
                                        
                                        sData += this._fnBoundData( sLoopData, oConfig.sFieldBoundary, regex ) +
                                                oConfig.sFieldSeperator;
                                }
                        }
                        sData = sData.slice( 0, oConfig.sFieldSeperator.length*-1 );
                }
                
                /* No pointers here - this is a string copy :-) */
                _sLastData = sData;
                return sData;
        },
        
        
        /**
         * Wrap data up with a boundary string
         *  @method  _fnBoundData
         *  @param   {String} sData data to bound
         *  @param   {String} sBoundary bounding char(s)
         *  @param   {RegExp} regex search for the bounding chars - constructed outside for efficincy
         *             in the loop
         *  @returns {String} bound data
         *  @private 
         */
        "_fnBoundData": function ( sData, sBoundary, regex )
        {
                if ( sBoundary === "" )
                {
                        return sData;
                }
                else
                {
                        return sBoundary + sData.replace(regex, "\\"+sBoundary) + sBoundary;
                }
        },
        
        
        /**
         * Break a string up into an array of smaller strings
         *  @method  _fnChunkData
         *  @param   {String} sData data to be broken up
         *  @param   {Int} iSize chunk size
         *  @returns {Array} String array of broken up text
         *  @private 
         */
        "_fnChunkData": function ( sData, iSize )
        {
                var asReturn = [];
                var iStrlen = sData.length;
                
                for ( var i=0 ; i<iStrlen ; i+=iSize )
                {
                        if ( i+iSize < iStrlen )
                        {
                                asReturn.push( sData.substring( i, i+iSize ) );
                        }
                        else
                        {
                                asReturn.push( sData.substring( i, iStrlen ) );
                        }
                }
                
                return asReturn;
        },
        
        
        /**
         * Decode HTML entities
         *  @method  _fnHtmlDecode
         *  @param   {String} sData encoded string
         *  @returns {String} decoded string
         *  @private 
         */
        "_fnHtmlDecode": function ( sData )
        {
                if ( sData.indexOf('&') == -1 )
                {
                        return sData;
                }
                
                var 
                        aData = this._fnChunkData( sData, 2048 ),
                        n = document.createElement('div'),
                        i, iLen, iIndex,
                        sReturn = "", sInner;
                
                /* nodeValue has a limit in browsers - so we chunk the data into smaller segments to build
                 * up the string. Note that the 'trick' here is to remember than we might have split over
                 * an HTML entity, so we backtrack a little to make sure this doesn't happen
                 */
                for ( i=0, iLen=aData.length ; i<iLen ; i++ )
                {
                        /* Magic number 8 is because no entity is longer then strlen 8 in ISO 8859-1 */
                        iIndex = aData[i].lastIndexOf( '&' );
                        if ( iIndex != -1 && aData[i].length >= 8 && iIndex > aData[i].length - 8 )
                        {
                                sInner = aData[i].substr( iIndex );
                                aData[i] = aData[i].substr( 0, iIndex );
                        }
                        
                        n.innerHTML = aData[i];
                        sReturn += n.childNodes[0].nodeValue;
                }
                
                return sReturn;
        },
        
        
        
        /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
         * Printing functions
         */
        
        /**
         * Configure a button for printing
         *  @method  _fnPrintConfig
         *  @param   {Node} nButton Button element which is being considered
         *  @param   {Object} oConfig Button configuration object
         *  @returns void
         *  @private 
         */
        "_fnPrintConfig": function ( nButton, oConfig )
        {
          var that = this;
                
                if ( oConfig.fnInit !== null )
                {
                        oConfig.fnInit.call( this, nButton, oConfig );
                }

          $(nButton).hover( function () {
                        $(nButton).removeClass( oConfig.sButtonClass ).
                                addClass(oConfig.sButtonClassHover );
                }, function () {
                        $(nButton).removeClass( oConfig.sButtonClassHover ).
                                addClass(oConfig.sButtonClass );
                } );
                
                if ( oConfig.fnSelect !== null )
                {
                        TableTools._fnEventListen( this, 'select', function (n) {
                                oConfig.fnSelect.call( that, nButton, oConfig, n );
                        } );
                }
                
                $(nButton).click( function (e) {
                        e.preventDefault();
                        
                        that._fnPrintStart.call( that, e, oConfig);
                        
                        if ( oConfig.fnClick !== null )
                        {
                                oConfig.fnClick.call( that, nButton, oConfig, null );
                        }
                        
                        /* Provide a complete function to match the behaviour of the flash elements */
                        if ( oConfig.fnComplete !== null )
                        {
                                oConfig.fnComplete.call( that, nButton, oConfig, null, null );
                        }
                        
                        that._fnCollectionHide( nButton, oConfig );
                } );
  },
  
  /**
   * Show print display
   *  @method  _fnPrintStart
   *  @param   {Event} e Event object
         *  @param   {Object} oConfig Button configuration object
   *  @returns void
         *  @private 
   */
  "_fnPrintStart": function ( e, oConfig )
        {
          var that = this;
          var oSetDT = this.s.dt;
          
    /* Parse through the DOM hiding everything that isn't needed for the table */
    this._fnPrintHideNodes( oSetDT.nTable );
                
    /* Show the whole table */
    this.s.print.saveStart = oSetDT._iDisplayStart;
    this.s.print.saveLength = oSetDT._iDisplayLength;

                if ( oConfig.bShowAll )
                {
        oSetDT._iDisplayStart = 0;
        oSetDT._iDisplayLength = -1;
        oSetDT.oApi._fnCalculateEnd( oSetDT );
        oSetDT.oApi._fnDraw( oSetDT );
                }
                
                /* Adjust the display for scrolling which might be done by DataTables */
                if ( oSetDT.oScroll.sX !== "" || oSetDT.oScroll.sY !== "" )
                {
                        this._fnPrintScrollStart( oSetDT );
                }
                
                /* Remove the other DataTables feature nodes - but leave the table! and info div */
                var anFeature = oSetDT.aanFeatures;
                for ( var cFeature in anFeature )
                {
                        if ( cFeature != 'i' && cFeature != 't' && cFeature.length == 1 )
                        {
                          for ( var i=0, iLen=anFeature[cFeature].length ; i<iLen ; i++ )
                          {
                                  this.dom.print.hidden.push( {
                                        "node": anFeature[cFeature][i],
                                        "display": "block"
                                  } );
                                  anFeature[cFeature][i].style.display = "none";
                          }
                        }
                }
                
                /* Print class can be used for styling */
                $(document.body).addClass( 'DTTT_Print' );
    
    /* Add a node telling the user what is going on */
    if ( oConfig.sInfo !== "" )
    {
      var nInfo = document.createElement( "div" );
      nInfo.className = "DTTT_print_info";
      nInfo.innerHTML = oConfig.sInfo;
      document.body.appendChild( nInfo );
      
      setTimeout( function() {
        $(nInfo).fadeOut( "normal", function() {
                document.body.removeChild( nInfo );
        } );
      }, 2000 );
    }
    
    /* Add a message at the top of the page */
    if ( oConfig.sMessage !== "" )
    {
        this.dom.print.message = document.createElement( "div" );
        this.dom.print.message.className = "DTTT_PrintMessage";
        this.dom.print.message.innerHTML = oConfig.sMessage;
        document.body.insertBefore( this.dom.print.message, document.body.childNodes[0] );
    }
    
    /* Cache the scrolling and the jump to the top of the t=page */
    this.s.print.saveScroll = $(window).scrollTop();
    window.scrollTo( 0, 0 );
    
    this.s.print.funcEnd = function(e) {
     that._fnPrintEnd.call( that, e ); 
    };
    $(document).bind( "keydown", null, this.s.print.funcEnd );
  },
  
        
        /**
         * Printing is finished, resume normal display
         *  @method  _fnPrintEnd
         *  @param   {Event} e Event object
         *  @returns void
         *  @private 
         */
  "_fnPrintEnd": function ( e )
        {
                /* Only interested in the escape key */
                if ( e.keyCode == 27 )
                {
                        e.preventDefault();
                        
                  var that = this;
            var oSetDT = this.s.dt;
            var oSetPrint = this.s.print;
            var oDomPrint = this.dom.print;
            
                        /* Show all hidden nodes */
                        this._fnPrintShowNodes();
                        
                        /* Restore DataTables' scrolling */
                        if ( oSetDT.oScroll.sX !== "" || oSetDT.oScroll.sY !== "" )
                        {
                                this._fnPrintScrollEnd();
                        }
                        
                        /* Restore the scroll */
                        window.scrollTo( 0, oSetPrint.saveScroll );
                        
                        /* Drop the print message */
                        if ( oDomPrint.message !== null )
                        {
                                document.body.removeChild( oDomPrint.message );
                                oDomPrint.message = null;
                        }
                        
                        /* Styling class */
                        $(document.body).removeClass( 'DTTT_Print' );
                        
                        /* Restore the table length */
                        oSetDT._iDisplayStart = oSetPrint.saveStart;
                        oSetDT._iDisplayLength = oSetPrint.saveLength;
                        oSetDT.oApi._fnCalculateEnd( oSetDT );
                        oSetDT.oApi._fnDraw( oSetDT );
                        
                        $(document).unbind( "keydown", this.s.print.funcEnd );
                        this.s.print.funcEnd = null;
                }
        },
        
        
        /**
         * Take account of scrolling in DataTables by showing the full table
         *  @returns void
         *  @private 
         */
        "_fnPrintScrollStart": function ()
        {
                var 
                        oSetDT = this.s.dt,
                        nScrollHeadInner = oSetDT.nScrollHead.getElementsByTagName('div')[0],
                        nScrollHeadTable = nScrollHeadInner.getElementsByTagName('table')[0],
                        nScrollBody = oSetDT.nTable.parentNode;

                /* Copy the header in the thead in the body table, this way we show one single table when
                 * in print view. Note that this section of code is more or less verbatim from DT 1.7.0
                 */
                var nTheadSize = oSetDT.nTable.getElementsByTagName('thead');
                if ( nTheadSize.length > 0 )
                {
                        oSetDT.nTable.removeChild( nTheadSize[0] );
                }
                
                if ( oSetDT.nTFoot !== null )
                {
                        var nTfootSize = oSetDT.nTable.getElementsByTagName('tfoot');
                        if ( nTfootSize.length > 0 )
                        {
                                oSetDT.nTable.removeChild( nTfootSize[0] );
                        }
                }
                
                nTheadSize = oSetDT.nTHead.cloneNode(true);
                oSetDT.nTable.insertBefore( nTheadSize, oSetDT.nTable.childNodes[0] );
                
                if ( oSetDT.nTFoot !== null )
                {
                        nTfootSize = oSetDT.nTFoot.cloneNode(true);
                        oSetDT.nTable.insertBefore( nTfootSize, oSetDT.nTable.childNodes[1] );
                }
                
                /* Now adjust the table's viewport so we can actually see it */
                if ( oSetDT.oScroll.sX !== "" )
                {
                        oSetDT.nTable.style.width = $(oSetDT.nTable).outerWidth()+"px";
                        nScrollBody.style.width = $(oSetDT.nTable).outerWidth()+"px";
                        nScrollBody.style.overflow = "visible";
                }
                
                if ( oSetDT.oScroll.sY !== "" )
                {
                        nScrollBody.style.height = $(oSetDT.nTable).outerHeight()+"px";
                        nScrollBody.style.overflow = "visible";
    }
        },
        
        
        /**
         * Take account of scrolling in DataTables by showing the full table. Note that the redraw of
         * the DataTable that we do will actually deal with the majority of the hardword here
         *  @returns void
         *  @private 
         */
        "_fnPrintScrollEnd": function ()
        {
                var 
                        oSetDT = this.s.dt,
                        nScrollBody = oSetDT.nTable.parentNode;
                
                if ( oSetDT.oScroll.sX !== "" )
                {
                        nScrollBody.style.width = oSetDT.oApi._fnStringToCss( oSetDT.oScroll.sX );
                        nScrollBody.style.overflow = "auto";
                }
                
                if ( oSetDT.oScroll.sY !== "" )
                {
                        nScrollBody.style.height = oSetDT.oApi._fnStringToCss( oSetDT.oScroll.sY );
                        nScrollBody.style.overflow = "auto";
                }
        },
        
        
        /**
         * Resume the display of all TableTools hidden nodes
         *  @method  _fnPrintShowNodes
         *  @returns void
         *  @private 
         */
  "_fnPrintShowNodes": function ( )
        {
          var anHidden = this.dom.print.hidden;
          
                for ( var i=0, iLen=anHidden.length ; i<iLen ; i++ )
                {
                        anHidden[i].node.style.display = anHidden[i].display;
                }
                anHidden.splice( 0, anHidden.length );
        },
        
        
        /**
         * Hide nodes which are not needed in order to display the table. Note that this function is
         * recursive
         *  @method  _fnPrintHideNodes
         *  @param   {Node} nNode Element which should be showing in a 'print' display
         *  @returns void
         *  @private 
         */
  "_fnPrintHideNodes": function ( nNode )
        {
          var anHidden = this.dom.print.hidden;
          
                var nParent = nNode.parentNode;
                var nChildren = nParent.childNodes;
                for ( var i=0, iLen=nChildren.length ; i<iLen ; i++ )
                {
                        if ( nChildren[i] != nNode && nChildren[i].nodeType == 1 )
                        {
                                /* If our node is shown (don't want to show nodes which were previously hidden) */
                                var sDisplay = $(nChildren[i]).css("display");
                                if ( sDisplay != "none" )
                                {
                                        /* Cache the node and it's previous state so we can restore it */
                                        anHidden.push( {
                                                "node": nChildren[i],
                                                "display": sDisplay
                                        } );
                                        nChildren[i].style.display = "none";
                                }
                        }
                }
                
                if ( nParent.nodeName != "BODY" )
                {
                        this._fnPrintHideNodes( nParent );
                }
        }
};



/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Static variables
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/**
 * Store of all instances that have been created of TableTools, so one can look up other (when
 * there is need of a master)
 *  @property _aInstances
 *  @type     Array
 *  @default  []
 *  @private
 */
TableTools._aInstances = [];


/**
 * Store of all listeners and their callback functions
 *  @property _aListeners
 *  @type     Array
 *  @default  []
 */
TableTools._aListeners = [];



/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Static methods
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/**
 * Get an array of all the master instances
 *  @method  fnGetMasters
 *  @returns {Array} List of master TableTools instances
 *  @static
 */
TableTools.fnGetMasters = function ()
{
        var a = [];
        for ( var i=0, iLen=TableTools._aInstances.length ; i<iLen ; i++ )
        {
                if ( TableTools._aInstances[i].s.master )
                {
                        a.push( TableTools._aInstances[i].s );
                }
        }
        return a;
};

/**
 * Get the master instance for a table node (or id if a string is given)
 *  @method  fnGetInstance
 *  @returns {Object} ID of table OR table node, for which we want the TableTools instance
 *  @static
 */
TableTools.fnGetInstance = function ( node )
{
        if ( typeof node != 'object' )
        {
                node = document.getElementById(node);
        }
        
        for ( var i=0, iLen=TableTools._aInstances.length ; i<iLen ; i++ )
        {
                if ( TableTools._aInstances[i].s.master && TableTools._aInstances[i].dom.table == node )
                {
                        return TableTools._aInstances[i];
                }
        }
        return null;
};


/**
 * Add a listener for a specific event
 *  @method  _fnEventListen
 *  @param   {Object} that Scope of the listening function (i.e. 'this' in the caller)
 *  @param   {String} type Event type
 *  @param   {Function} fn Function
 *  @returns void
 *  @private
 *  @static
 */
TableTools._fnEventListen = function ( that, type, fn )
{
        TableTools._aListeners.push( {
                "that": that,
                "type": type,
                "fn": fn
        } );
};
        

/**
 * An event has occured - look up every listener and fire it off. We check that the event we are
 * going to fire is attached to the same table (using the table node as reference) before firing
 *  @method  _fnEventDispatch
 *  @param   {Object} that Scope of the listening function (i.e. 'this' in the caller)
 *  @param   {String} type Event type
 *  @param   {Node} node Element that the event occured on (may be null)
 *  @returns void
 *  @private
 *  @static
 */
TableTools._fnEventDispatch = function ( that, type, node )
{
        var listeners = TableTools._aListeners;
        for ( var i=0, iLen=listeners.length ; i<iLen ; i++ )
        {
                if ( that.dom.table == listeners[i].that.dom.table && listeners[i].type == type )
                {
                        listeners[i].fn( node );
                }
        }
};






/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Constants
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


/**
 * @namespace Default button configurations
 */
TableTools.BUTTONS = {
        "csv": {
                "sAction": "flash_save",
                "sCharSet": "utf8",
                "bBomInc": false,
                "sFileName": "*.csv",
                "sFieldBoundary": "'",
                "sFieldSeperator": ",",
                "sNewLine": "auto",
                "sTitle": "",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_csv",
                "sButtonClassHover": "DTTT_button_csv_hover",
                "sButtonText": "CSV",
                "mColumns": "all", /* "all", "visible", "hidden" or array of column integers */
                "bHeader": true,
                "bFooter": true,
                "bSelectedOnly": false,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig, flash ) {
                        this.fnSetText( flash, this.fnGetTableData(oConfig) );
                },
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null
        },
        "xls": {
                "sAction": "flash_save",
                "sCharSet": "utf16le",
                "bBomInc": true,
                "sFileName": "*.csv",
                "sFieldBoundary": "",
                "sFieldSeperator": "\t",
                "sNewLine": "auto",
                "sTitle": "",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_xls",
                "sButtonClassHover": "DTTT_button_xls_hover",
                "sButtonText": "Excel",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "bSelectedOnly": false,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig, flash ) {
                        this.fnSetText( flash, this.fnGetTableData(oConfig) );
                },
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null
        },
        "copy": {
                "sAction": "flash_copy",
                "sFieldBoundary": "",
                "sFieldSeperator": "\t",
                "sNewLine": "auto",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_copy",
                "sButtonClassHover": "DTTT_button_copy_hover",
                "sButtonText": "Copy",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "bSelectedOnly": false,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig, flash ) {
                        this.fnSetText( flash, this.fnGetTableData(oConfig) );
                },
                "fnSelect": null,
                "fnComplete": function(nButton, oConfig, flash, text) {
                        var
                                lines = text.split('\n').length,
                                len = this.s.dt.nTFoot === null ? lines-1 : lines-2,
                                plural = (len==1) ? "" : "s";
                        alert( 'Copied '+len+' row'+plural+' to the clipboard' );
                },
                "fnInit": null
        },
        "pdf": {
                "sAction": "flash_pdf",
                "sFieldBoundary": "",
                "sFieldSeperator": "\t",
                "sNewLine": "\n",
                "sFileName": "*.pdf",
                "sToolTip": "",
                "sTitle": "",
                "sButtonClass": "DTTT_button_pdf",
                "sButtonClassHover": "DTTT_button_pdf_hover",
                "sButtonText": "PDF",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": false,
                "bSelectedOnly": false,
                "fnMouseover": null,
                "fnMouseout": null,
                "sPdfOrientation": "portrait",
                "sPdfSize": "A4",
                "sPdfMessage": "",
                "fnClick": function( nButton, oConfig, flash ) {
                        this.fnSetText( flash, 
                                "title:"+ this.fnGetTitle(oConfig) +"\n"+
                                "message:"+ oConfig.sPdfMessage +"\n"+
                                "colWidth:"+ this.fnCalcColRatios(oConfig) +"\n"+
                                "orientation:"+ oConfig.sPdfOrientation +"\n"+
                                "size:"+ oConfig.sPdfSize +"\n"+
                                "--/TableToolsOpts--\n" +
                                this.fnGetTableData(oConfig)
                        );
                },
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null
        },
        "print": {
                "sAction": "print",
                "sInfo": "<h6>Print view</h6><p>Please use your browser's print function to "+
                  "print this table. Press escape when finished.",
                "sMessage": "",
                "bShowAll": true,
                "sToolTip": "View print view",
                "sButtonClass": "DTTT_button_print",
                "sButtonClassHover": "DTTT_button_print_hover",
                "sButtonText": "Print",
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": null,
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null
        },
        "text": {
                "sAction": "text",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_text",
                "sButtonClassHover": "DTTT_button_text_hover",
                "sButtonText": "Text button",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "bSelectedOnly": false,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": null,
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null
        },
        "select": {
                "sAction": "text",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_text",
                "sButtonClassHover": "DTTT_button_text_hover",
                "sButtonText": "Select button",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": null,
                "fnSelect": function( nButton, oConfig ) {
                        if ( this.fnGetSelected().length !== 0 ) {
                                $(nButton).removeClass('DTTT_disabled');
                        } else {
                                $(nButton).addClass('DTTT_disabled');
                        }
                },
                "fnComplete": null,
                "fnInit": function( nButton, oConfig ) {
                        $(nButton).addClass('DTTT_disabled');
                }
        },
        "select_single": {
                "sAction": "text",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_text",
                "sButtonClassHover": "DTTT_button_text_hover",
                "sButtonText": "Select button",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": null,
                "fnSelect": function( nButton, oConfig ) {
                        var iSelected = this.fnGetSelected().length;
                        if ( iSelected == 1 ) {
                                $(nButton).removeClass('DTTT_disabled');
                        } else {
                                $(nButton).addClass('DTTT_disabled');
                        }
                },
                "fnComplete": null,
                "fnInit": function( nButton, oConfig ) {
                        $(nButton).addClass('DTTT_disabled');
                }
        },
        "select_all": {
                "sAction": "text",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_text",
                "sButtonClassHover": "DTTT_button_text_hover",
                "sButtonText": "Select all",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig ) {
                        this.fnSelectAll();
                },
                "fnSelect": function( nButton, oConfig ) {
                        if ( this.fnGetSelected().length == this.s.dt.fnRecordsDisplay() ) {
                                $(nButton).addClass('DTTT_disabled');
                        } else {
                                $(nButton).removeClass('DTTT_disabled');
                        }
                },
                "fnComplete": null,
                "fnInit": null
        },
        "select_none": {
                "sAction": "text",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_text",
                "sButtonClassHover": "DTTT_button_text_hover",
                "sButtonText": "Deselect all",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig ) {
                        this.fnSelectNone();
                },
                "fnSelect": function( nButton, oConfig ) {
                        if ( this.fnGetSelected().length !== 0 ) {
                                $(nButton).removeClass('DTTT_disabled');
                        } else {
                                $(nButton).addClass('DTTT_disabled');
                        }
                },
                "fnComplete": null,
                "fnInit": function( nButton, oConfig ) {
                        $(nButton).addClass('DTTT_disabled');
                }
        },
        "ajax": {
                "sAction": "text",
                "sFieldBoundary": "",
                "sFieldSeperator": "\t",
                "sNewLine": "\n",
                "sAjaxUrl": "/xhr.php",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_text",
                "sButtonClassHover": "DTTT_button_text_hover",
                "sButtonText": "Ajax button",
                "mColumns": "all",
                "bHeader": true,
                "bFooter": true,
                "bSelectedOnly": false,
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig ) {
                        var sData = this.fnGetTableData(oConfig);
                        $.ajax( {
                                "url": oConfig.sAjaxUrl,
                                "data": [
                                        { "name": "tableData", "value": sData }
                                ],
                                "success": oConfig.fnAjaxComplete,
                                "dataType": "json",
                                "type": "POST", 
                                "cache": false,
                                "error": function () {
                                        alert( "Error detected when sending table data to server" );
                                }
                        } );
                },
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null,
                "fnAjaxComplete": function( json ) {
                        alert( 'Ajax complete' );
                }
        },
        "collection": {
                "sAction": "collection",
                "sToolTip": "",
                "sButtonClass": "DTTT_button_collection",
                "sButtonClassHover": "DTTT_button_collection_hover",
                "sButtonText": "Collection",
                "fnMouseover": null,
                "fnMouseout": null,
                "fnClick": function( nButton, oConfig ) {
                        this._fnCollectionShow(nButton, oConfig);
                },
                "fnSelect": null,
                "fnComplete": null,
                "fnInit": null
        }
};
/*
 *  on* callback parameters:
 *      1. node - button element
 *      2. object - configuration object for this button
 *      3. object - ZeroClipboard reference (flash button only)
 *      4. string - Returned string from Flash (flash button only - and only on 'complete')
 */


/**
 * @namespace TableTools default settings for initialisation
 */
TableTools.DEFAULTS = {
        "sSwfPath":         "media/swf/copy_cvs_xls_pdf.swf",
        "sRowSelect":       "none",
        "sSelectedClass":   "DTTT_selected",
        "fnPreRowSelect":   null,
        "fnRowSelected":    null,
        "fnRowDeselected":  null,
        "aButtons":         [ "copy", "csv", "xls", "pdf", "print" ]
};


/**
 * Name of this class
 *  @constant CLASS
 *  @type     String
 *  @default  TableTools
 */
TableTools.prototype.CLASS = "TableTools";


/**
 * TableTools version
 *  @constant  VERSION
 *  @type      String
 *  @default   2.0.1
 */
TableTools.VERSION = "2.0.1";
TableTools.prototype.VERSION = TableTools.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 oOpts = typeof oDTSettings.oInit.oTableTools != 'undefined' ? 
                                oDTSettings.oInit.oTableTools : {};
                        
                        var oTT = new TableTools( oDTSettings.oInstance, oOpts );
                        TableTools._aInstances.push( oTT );
                        
                        return oTT.dom.container;
                },
                "cFeature": "T",
                "sFeature": "TableTools"
        } );
}
else
{
        alert( "Warning: TableTools 2 requires DataTables 1.7 or greater - www.datatables.net/download");
}

})(jQuery, window, document);