--- /dev/null
+/*
+ * File: ColReorder.js
+ * Version: 1.0.8
+ * CVS: $Id$
+ * Description: Allow columns to be reordered in a DataTable
+ * Author: Allan Jardine (www.sprymedia.co.uk)
+ * Created: Wed Sep 15 18:23:29 BST 2010
+ * Modified: $Date$ by $Author$
+ * Language: Javascript
+ * License: GPL v2 or BSD 3 point style
+ * Project: DataTables
+ * Contact: www.sprymedia.co.uk/contact
+ *
+ * Copyright 2010-2011 Allan Jardine, all rights reserved.
+ *
+ * This source file is free software, under either the GPL v2 license or a
+ * BSD style license, available at:
+ * http://datatables.net/license_gpl2
+ * http://datatables.net/license_bsd
+ *
+ */
+
+
+(function($, window, document) {
+
+
+/**
+ * Switch the key value pairing of an index array to be value key (i.e. the old value is now the
+ * key). For example consider [ 2, 0, 1 ] this would be returned as [ 1, 2, 0 ].
+ * @method fnInvertKeyValues
+ * @param array aIn Array to switch around
+ * @returns array
+ */
+function fnInvertKeyValues( aIn )
+{
+ var aRet=[];
+ for ( var i=0, iLen=aIn.length ; i<iLen ; i++ )
+ {
+ aRet[ aIn[i] ] = i;
+ }
+ return aRet;
+}
+
+
+/**
+ * Modify an array by switching the position of two elements
+ * @method fnArraySwitch
+ * @param array aArray Array to consider, will be modified by reference (i.e. no return)
+ * @param int iFrom From point
+ * @param int iTo Insert point
+ * @returns void
+ */
+function fnArraySwitch( aArray, iFrom, iTo )
+{
+ var mStore = aArray.splice( iFrom, 1 )[0];
+ aArray.splice( iTo, 0, mStore );
+}
+
+
+/**
+ * Switch the positions of nodes in a parent node (note this is specifically designed for
+ * table rows). Note this function considers all element nodes under the parent!
+ * @method fnDomSwitch
+ * @param string sTag Tag to consider
+ * @param int iFrom Element to move
+ * @param int Point to element the element to (before this point), can be null for append
+ * @returns void
+ */
+function fnDomSwitch( nParent, iFrom, iTo )
+{
+ var anTags = [];
+ for ( var i=0, iLen=nParent.childNodes.length ; i<iLen ; i++ )
+ {
+ if ( nParent.childNodes[i].nodeType == 1 )
+ {
+ anTags.push( nParent.childNodes[i] );
+ }
+ }
+ var nStore = anTags[ iFrom ];
+
+ if ( iTo !== null )
+ {
+ nParent.insertBefore( nStore, anTags[iTo] );
+ }
+ else
+ {
+ nParent.appendChild( nStore );
+ }
+}
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * DataTables plug-in API functions
+ *
+ * This are required by ColReorder in order to perform the tasks required, and also keep this
+ * code portable, to be used for other column reordering projects with DataTables, if needed.
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+
+/**
+ * Plug-in for DataTables which will reorder the internal column structure by taking the column
+ * from one position (iFrom) and insert it into a given point (iTo).
+ * @method $.fn.dataTableExt.oApi.fnColReorder
+ * @param object oSettings DataTables settings object - automatically added by DataTables!
+ * @param int iFrom Take the column to be repositioned from this point
+ * @param int iTo and insert it into this point
+ * @returns void
+ */
+$.fn.dataTableExt.oApi.fnColReorder = function ( oSettings, iFrom, iTo )
+{
+ var i, iLen, j, jLen, iCols=oSettings.aoColumns.length, nTrs, oCol;
+
+ /* Sanity check in the input */
+ if ( iFrom == iTo )
+ {
+ /* Pointless reorder */
+ return;
+ }
+
+ if ( iFrom < 0 || iFrom >= iCols )
+ {
+ this.oApi._fnLog( oSettings, 1, "ColReorder 'from' index is out of bounds: "+iFrom );
+ return;
+ }
+
+ if ( iTo < 0 || iTo >= iCols )
+ {
+ this.oApi._fnLog( oSettings, 1, "ColReorder 'to' index is out of bounds: "+iTo );
+ return;
+ }
+
+ /*
+ * Calculate the new column array index, so we have a mapping between the old and new
+ */
+ var aiMapping = [];
+ for ( i=0, iLen=iCols ; i<iLen ; i++ )
+ {
+ aiMapping[i] = i;
+ }
+ fnArraySwitch( aiMapping, iFrom, iTo );
+ var aiInvertMapping = fnInvertKeyValues( aiMapping );
+
+
+ /*
+ * Convert all internal indexing to the new column order indexes
+ */
+ /* Sorting */
+ for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ )
+ {
+ oSettings.aaSorting[i][0] = aiInvertMapping[ oSettings.aaSorting[i][0] ];
+ }
+
+ /* Fixed sorting */
+ if ( oSettings.aaSortingFixed !== null )
+ {
+ for ( i=0, iLen=oSettings.aaSortingFixed.length ; i<iLen ; i++ )
+ {
+ oSettings.aaSortingFixed[i][0] = aiInvertMapping[ oSettings.aaSortingFixed[i][0] ];
+ }
+ }
+
+ /* Data column sorting (the column which the sort for a given column should take place on) */
+ for ( i=0, iLen=iCols ; i<iLen ; i++ )
+ {
+ oCol = oSettings.aoColumns[i];
+ for ( j=0, jLen=oCol.aDataSort.length ; j<jLen ; j++ )
+ {
+ oCol.aDataSort[j] = aiInvertMapping[ oCol.aDataSort[j] ];
+ }
+ }
+
+ /* Update the Get and Set functions for each column */
+ for ( i=0, iLen=iCols ; i<iLen ; i++ )
+ {
+ oCol = oSettings.aoColumns[i];
+ if ( typeof oCol.mData == 'number' ) {
+ oCol.mData = aiInvertMapping[ oCol.mData ];
+ oCol.fnGetData = oSettings.oApi._fnGetObjectDataFn( oCol.mData );
+ oCol.fnSetData = oSettings.oApi._fnSetObjectDataFn( oCol.mData );
+ }
+ }
+
+
+ /*
+ * Move the DOM elements
+ */
+ if ( oSettings.aoColumns[iFrom].bVisible )
+ {
+ /* Calculate the current visible index and the point to insert the node before. The insert
+ * before needs to take into account that there might not be an element to insert before,
+ * in which case it will be null, and an appendChild should be used
+ */
+ var iVisibleIndex = this.oApi._fnColumnIndexToVisible( oSettings, iFrom );
+ var iInsertBeforeIndex = null;
+
+ i = iTo < iFrom ? iTo : iTo + 1;
+ while ( iInsertBeforeIndex === null && i < iCols )
+ {
+ iInsertBeforeIndex = this.oApi._fnColumnIndexToVisible( oSettings, i );
+ i++;
+ }
+
+ /* Header */
+ nTrs = oSettings.nTHead.getElementsByTagName('tr');
+ for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
+ {
+ fnDomSwitch( nTrs[i], iVisibleIndex, iInsertBeforeIndex );
+ }
+
+ /* Footer */
+ if ( oSettings.nTFoot !== null )
+ {
+ nTrs = oSettings.nTFoot.getElementsByTagName('tr');
+ for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
+ {
+ fnDomSwitch( nTrs[i], iVisibleIndex, iInsertBeforeIndex );
+ }
+ }
+
+ /* Body */
+ for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
+ {
+ if ( oSettings.aoData[i].nTr !== null )
+ {
+ fnDomSwitch( oSettings.aoData[i].nTr, iVisibleIndex, iInsertBeforeIndex );
+ }
+ }
+ }
+
+
+ /*
+ * Move the internal array elements
+ */
+ /* Columns */
+ fnArraySwitch( oSettings.aoColumns, iFrom, iTo );
+
+ /* Search columns */
+ fnArraySwitch( oSettings.aoPreSearchCols, iFrom, iTo );
+
+ /* Array array - internal data anodes cache */
+ for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
+ {
+ if ( $.isArray( oSettings.aoData[i]._aData ) ) {
+ fnArraySwitch( oSettings.aoData[i]._aData, iFrom, iTo );
+ }
+ fnArraySwitch( oSettings.aoData[i]._anHidden, iFrom, iTo );
+ }
+
+ /* Reposition the header elements in the header layout array */
+ for ( i=0, iLen=oSettings.aoHeader.length ; i<iLen ; i++ )
+ {
+ fnArraySwitch( oSettings.aoHeader[i], iFrom, iTo );
+ }
+
+ if ( oSettings.aoFooter !== null )
+ {
+ for ( i=0, iLen=oSettings.aoFooter.length ; i<iLen ; i++ )
+ {
+ fnArraySwitch( oSettings.aoFooter[i], iFrom, iTo );
+ }
+ }
+
+
+ /*
+ * Update DataTables' event handlers
+ */
+
+ /* Sort listener */
+ for ( i=0, iLen=iCols ; i<iLen ; i++ )
+ {
+ $(oSettings.aoColumns[i].nTh).unbind('click');
+ this.oApi._fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
+ }
+
+
+ /* Fire an event so other plug-ins can update */
+ $(oSettings.oInstance).trigger( 'column-reorder', [ oSettings, {
+ "iFrom": iFrom,
+ "iTo": iTo,
+ "aiInvertMapping": aiInvertMapping
+ } ] );
+
+ if ( typeof oSettings.oInstance._oPluginFixedHeader != 'undefined' )
+ {
+ oSettings.oInstance._oPluginFixedHeader.fnUpdate();
+ }
+};
+
+
+
+
+/**
+ * ColReorder provides column visiblity control for DataTables
+ * @class ColReorder
+ * @constructor
+ * @param {object} DataTables settings object
+ * @param {object} ColReorder options
+ */
+ColReorder = function( oDTSettings, oOpts )
+{
+ /* Santiy check that we are a new instance */
+ if ( !this.CLASS || this.CLASS != "ColReorder" )
+ {
+ alert( "Warning: ColReorder must be initialised with the keyword 'new'" );
+ }
+
+ if ( typeof oOpts == 'undefined' )
+ {
+ oOpts = {};
+ }
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Public class variables
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+ /**
+ * @namespace Settings object which contains customisable information for ColReorder instance
+ */
+ this.s = {
+ /**
+ * DataTables settings object
+ * @property dt
+ * @type Object
+ * @default null
+ */
+ "dt": null,
+
+ /**
+ * Initialisation object used for this instance
+ * @property init
+ * @type object
+ * @default {}
+ */
+ "init": oOpts,
+
+ /**
+ * Number of columns to fix (not allow to be reordered)
+ * @property fixed
+ * @type int
+ * @default 0
+ */
+ "fixed": 0,
+
+ /**
+ * Callback function for once the reorder has been done
+ * @property dropcallback
+ * @type function
+ * @default null
+ */
+ "dropCallback": null,
+
+ /**
+ * @namespace Information used for the mouse drag
+ */
+ "mouse": {
+ "startX": -1,
+ "startY": -1,
+ "offsetX": -1,
+ "offsetY": -1,
+ "target": -1,
+ "targetIndex": -1,
+ "fromIndex": -1
+ },
+
+ /**
+ * Information which is used for positioning the insert cusor and knowing where to do the
+ * insert. Array of objects with the properties:
+ * x: x-axis position
+ * to: insert point
+ * @property aoTargets
+ * @type array
+ * @default []
+ */
+ "aoTargets": []
+ };
+
+
+ /**
+ * @namespace Common and useful DOM elements for the class instance
+ */
+ this.dom = {
+ /**
+ * Dragging element (the one the mouse is moving)
+ * @property drag
+ * @type element
+ * @default null
+ */
+ "drag": null,
+
+ /**
+ * The insert cursor
+ * @property pointer
+ * @type element
+ * @default null
+ */
+ "pointer": null
+ };
+
+
+ /* Constructor logic */
+ this.s.dt = oDTSettings.oInstance.fnSettings();
+ this._fnConstruct();
+
+ /* Add destroy callback */
+ oDTSettings.oApi._fnCallbackReg(oDTSettings, 'aoDestroyCallback', jQuery.proxy(this._fnDestroy, this), 'ColReorder');
+
+ /* Store the instance for later use */
+ ColReorder.aoInstances.push( this );
+ return this;
+};
+
+
+
+ColReorder.prototype = {
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Public methods
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+ "fnReset": function ()
+ {
+ var a = [];
+ for ( var i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
+ {
+ a.push( this.s.dt.aoColumns[i]._ColReorder_iOrigCol );
+ }
+
+ this._fnOrderColumns( a );
+ },
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Private methods (they are of course public in JS, but recommended as private)
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+ /**
+ * Constructor logic
+ * @method _fnConstruct
+ * @returns void
+ * @private
+ */
+ "_fnConstruct": function ()
+ {
+ var that = this;
+ var i, iLen;
+
+ /* Columns discounted from reordering - counting left to right */
+ if ( typeof this.s.init.iFixedColumns != 'undefined' )
+ {
+ this.s.fixed = this.s.init.iFixedColumns;
+ }
+
+ /* Drop callback initialisation option */
+ if ( typeof this.s.init.fnReorderCallback != 'undefined' )
+ {
+ this.s.dropCallback = this.s.init.fnReorderCallback;
+ }
+
+ /* Add event handlers for the drag and drop, and also mark the original column order */
+ for ( i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
+ {
+ if ( i > this.s.fixed-1 )
+ {
+ this._fnMouseListener( i, this.s.dt.aoColumns[i].nTh );
+ }
+
+ /* Mark the original column order for later reference */
+ this.s.dt.aoColumns[i]._ColReorder_iOrigCol = i;
+ }
+
+ /* State saving */
+ this.s.dt.oApi._fnCallbackReg( this.s.dt, 'aoStateSaveParams', function (oS, oData) {
+ that._fnStateSave.call( that, oData );
+ }, "ColReorder_State" );
+
+ /* An initial column order has been specified */
+ var aiOrder = null;
+ if ( typeof this.s.init.aiOrder != 'undefined' )
+ {
+ aiOrder = this.s.init.aiOrder.slice();
+ }
+
+ /* State loading, overrides the column order given */
+ if ( this.s.dt.oLoadedState && typeof this.s.dt.oLoadedState.ColReorder != 'undefined' &&
+ this.s.dt.oLoadedState.ColReorder.length == this.s.dt.aoColumns.length )
+ {
+ aiOrder = this.s.dt.oLoadedState.ColReorder;
+ }
+
+ /* If we have an order to apply - do so */
+ if ( aiOrder )
+ {
+ /* We might be called during or after the DataTables initialisation. If before, then we need
+ * to wait until the draw is done, if after, then do what we need to do right away
+ */
+ if ( !that.s.dt._bInitComplete )
+ {
+ var bDone = false;
+ this.s.dt.aoDrawCallback.push( {
+ "fn": function () {
+ if ( !that.s.dt._bInitComplete && !bDone )
+ {
+ bDone = true;
+ var resort = fnInvertKeyValues( aiOrder );
+ that._fnOrderColumns.call( that, resort );
+ }
+ },
+ "sName": "ColReorder_Pre"
+ } );
+ }
+ else
+ {
+ var resort = fnInvertKeyValues( aiOrder );
+ that._fnOrderColumns.call( that, resort );
+ }
+ }
+ },
+
+
+ /**
+ * Set the column order from an array
+ * @method _fnOrderColumns
+ * @param array a An array of integers which dictate the column order that should be applied
+ * @returns void
+ * @private
+ */
+ "_fnOrderColumns": function ( a )
+ {
+ if ( a.length != this.s.dt.aoColumns.length )
+ {
+ this.s.dt.oInstance.oApi._fnLog( this.s.dt, 1, "ColReorder - array reorder does not "+
+ "match known number of columns. Skipping." );
+ return;
+ }
+
+ for ( var i=0, iLen=a.length ; i<iLen ; i++ )
+ {
+ var currIndex = $.inArray( i, a );
+ if ( i != currIndex )
+ {
+ /* Reorder our switching array */
+ fnArraySwitch( a, currIndex, i );
+
+ /* Do the column reorder in the table */
+ this.s.dt.oInstance.fnColReorder( currIndex, i );
+ }
+ }
+
+ /* When scrolling we need to recalculate the column sizes to allow for the shift */
+ if ( this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "" )
+ {
+ this.s.dt.oInstance.fnAdjustColumnSizing();
+ }
+
+ /* Save the state */
+ this.s.dt.oInstance.oApi._fnSaveState( this.s.dt );
+ },
+
+
+ /**
+ * Because we change the indexes of columns in the table, relative to their starting point
+ * we need to reorder the state columns to what they are at the starting point so we can
+ * then rearrange them again on state load!
+ * @method _fnStateSave
+ * @param object oState DataTables state
+ * @returns string JSON encoded cookie string for DataTables
+ * @private
+ */
+ "_fnStateSave": function ( oState )
+ {
+ var i, iLen, aCopy, iOrigColumn;
+ var oSettings = this.s.dt;
+
+ /* Sorting */
+ for ( i=0 ; i<oState.aaSorting.length ; i++ )
+ {
+ oState.aaSorting[i][0] = oSettings.aoColumns[ oState.aaSorting[i][0] ]._ColReorder_iOrigCol;
+ }
+
+ aSearchCopy = $.extend( true, [], oState.aoSearchCols );
+ oState.ColReorder = [];
+
+ for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
+ {
+ iOrigColumn = oSettings.aoColumns[i]._ColReorder_iOrigCol;
+
+ /* Column filter */
+ oState.aoSearchCols[ iOrigColumn ] = aSearchCopy[i];
+
+ /* Visibility */
+ oState.abVisCols[ iOrigColumn ] = oSettings.aoColumns[i].bVisible;
+
+ /* Column reordering */
+ oState.ColReorder.push( iOrigColumn );
+ }
+ },
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Mouse drop and drag
+ */
+
+ /**
+ * Add a mouse down listener to a particluar TH element
+ * @method _fnMouseListener
+ * @param int i Column index
+ * @param element nTh TH element clicked on
+ * @returns void
+ * @private
+ */
+ "_fnMouseListener": function ( i, nTh )
+ {
+ var that = this;
+ $(nTh).bind( 'mousedown.ColReorder', function (e) {
+ e.preventDefault();
+ that._fnMouseDown.call( that, e, nTh );
+ } );
+ },
+
+
+ /**
+ * Mouse down on a TH element in the table header
+ * @method _fnMouseDown
+ * @param event e Mouse event
+ * @param element nTh TH element to be dragged
+ * @returns void
+ * @private
+ */
+ "_fnMouseDown": function ( e, nTh )
+ {
+ var
+ that = this,
+ aoColumns = this.s.dt.aoColumns;
+
+ /* Store information about the mouse position */
+ var nThTarget = e.target.nodeName == "TH" ? e.target : $(e.target).parents('TH')[0];
+ var offset = $(nThTarget).offset();
+ this.s.mouse.startX = e.pageX;
+ this.s.mouse.startY = e.pageY;
+ this.s.mouse.offsetX = e.pageX - offset.left;
+ this.s.mouse.offsetY = e.pageY - offset.top;
+ this.s.mouse.target = nTh;
+ this.s.mouse.targetIndex = $('th', nTh.parentNode).index( nTh );
+ this.s.mouse.fromIndex = this.s.dt.oInstance.oApi._fnVisibleToColumnIndex( this.s.dt,
+ this.s.mouse.targetIndex );
+
+ /* Calculate a cached array with the points of the column inserts, and the 'to' points */
+ this.s.aoTargets.splice( 0, this.s.aoTargets.length );
+
+ this.s.aoTargets.push( {
+ "x": $(this.s.dt.nTable).offset().left,
+ "to": 0
+ } );
+
+ var iToPoint = 0;
+ for ( var i=0, iLen=aoColumns.length ; i<iLen ; i++ )
+ {
+ /* For the column / header in question, we want it's position to remain the same if the
+ * position is just to it's immediate left or right, so we only incremement the counter for
+ * other columns
+ */
+ if ( i != this.s.mouse.fromIndex )
+ {
+ iToPoint++;
+ }
+
+ if ( aoColumns[i].bVisible )
+ {
+ this.s.aoTargets.push( {
+ "x": $(aoColumns[i].nTh).offset().left + $(aoColumns[i].nTh).outerWidth(),
+ "to": iToPoint
+ } );
+ }
+ }
+
+ /* Disallow columns for being reordered by drag and drop, counting left to right */
+ if ( this.s.fixed !== 0 )
+ {
+ this.s.aoTargets.splice( 0, this.s.fixed );
+ }
+
+ /* Add event handlers to the document */
+ $(document).bind( 'mousemove.ColReorder', function (e) {
+ that._fnMouseMove.call( that, e );
+ } );
+
+ $(document).bind( 'mouseup.ColReorder', function (e) {
+ that._fnMouseUp.call( that, e );
+ } );
+ },
+
+
+ /**
+ * Deal with a mouse move event while dragging a node
+ * @method _fnMouseMove
+ * @param event e Mouse event
+ * @returns void
+ * @private
+ */
+ "_fnMouseMove": function ( e )
+ {
+ var that = this;
+
+ if ( this.dom.drag === null )
+ {
+ /* Only create the drag element if the mouse has moved a specific distance from the start
+ * point - this allows the user to make small mouse movements when sorting and not have a
+ * possibly confusing drag element showing up
+ */
+ if ( Math.pow(
+ Math.pow(e.pageX - this.s.mouse.startX, 2) +
+ Math.pow(e.pageY - this.s.mouse.startY, 2), 0.5 ) < 5 )
+ {
+ return;
+ }
+ this._fnCreateDragNode();
+ }
+
+ /* Position the element - we respect where in the element the click occured */
+ this.dom.drag.style.left = (e.pageX - this.s.mouse.offsetX) + "px";
+ this.dom.drag.style.top = (e.pageY - this.s.mouse.offsetY) + "px";
+
+ /* Based on the current mouse position, calculate where the insert should go */
+ var bSet = false;
+ for ( var i=1, iLen=this.s.aoTargets.length ; i<iLen ; i++ )
+ {
+ if ( e.pageX < this.s.aoTargets[i-1].x + ((this.s.aoTargets[i].x-this.s.aoTargets[i-1].x)/2) )
+ {
+ this.dom.pointer.style.left = this.s.aoTargets[i-1].x +"px";
+ this.s.mouse.toIndex = this.s.aoTargets[i-1].to;
+ bSet = true;
+ break;
+ }
+ }
+
+ /* The insert element wasn't positioned in the array (less than operator), so we put it at
+ * the end
+ */
+ if ( !bSet )
+ {
+ this.dom.pointer.style.left = this.s.aoTargets[this.s.aoTargets.length-1].x +"px";
+ this.s.mouse.toIndex = this.s.aoTargets[this.s.aoTargets.length-1].to;
+ }
+ },
+
+
+ /**
+ * Finish off the mouse drag and insert the column where needed
+ * @method _fnMouseUp
+ * @param event e Mouse event
+ * @returns void
+ * @private
+ */
+ "_fnMouseUp": function ( e )
+ {
+ var that = this;
+
+ $(document).unbind( 'mousemove.ColReorder' );
+ $(document).unbind( 'mouseup.ColReorder' );
+
+ if ( this.dom.drag !== null )
+ {
+ /* Remove the guide elements */
+ document.body.removeChild( this.dom.drag );
+ document.body.removeChild( this.dom.pointer );
+ this.dom.drag = null;
+ this.dom.pointer = null;
+
+ /* Actually do the reorder */
+ this.s.dt.oInstance.fnColReorder( this.s.mouse.fromIndex, this.s.mouse.toIndex );
+
+ /* When scrolling we need to recalculate the column sizes to allow for the shift */
+ if ( this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "" )
+ {
+ this.s.dt.oInstance.fnAdjustColumnSizing();
+ }
+
+ if ( this.s.dropCallback !== null )
+ {
+ this.s.dropCallback.call( this );
+ }
+
+ /* Save the state */
+ this.s.dt.oInstance.oApi._fnSaveState( this.s.dt );
+ }
+ },
+
+
+ /**
+ * Copy the TH element that is being drags so the user has the idea that they are actually
+ * moving it around the page.
+ * @method _fnCreateDragNode
+ * @returns void
+ * @private
+ */
+ "_fnCreateDragNode": function ()
+ {
+ var that = this;
+
+ this.dom.drag = $(this.s.dt.nTHead.parentNode).clone(true)[0];
+ this.dom.drag.className += " DTCR_clonedTable";
+ while ( this.dom.drag.getElementsByTagName('caption').length > 0 )
+ {
+ this.dom.drag.removeChild( this.dom.drag.getElementsByTagName('caption')[0] );
+ }
+ while ( this.dom.drag.getElementsByTagName('tbody').length > 0 )
+ {
+ this.dom.drag.removeChild( this.dom.drag.getElementsByTagName('tbody')[0] );
+ }
+ while ( this.dom.drag.getElementsByTagName('tfoot').length > 0 )
+ {
+ this.dom.drag.removeChild( this.dom.drag.getElementsByTagName('tfoot')[0] );
+ }
+
+ $('thead tr:eq(0)', this.dom.drag).each( function () {
+ $('th', this).eq(that.s.mouse.targetIndex).siblings().remove();
+ } );
+ $('tr', this.dom.drag).height( $('tr:eq(0)', that.s.dt.nTHead).height() );
+
+ $('thead tr:gt(0)', this.dom.drag).remove();
+
+ $('thead th:eq(0)', this.dom.drag).each( function (i) {
+ this.style.width = $('th:eq('+that.s.mouse.targetIndex+')', that.s.dt.nTHead).width()+"px";
+ } );
+
+ this.dom.drag.style.position = "absolute";
+ this.dom.drag.style.top = "0px";
+ this.dom.drag.style.left = "0px";
+ this.dom.drag.style.width = $('th:eq('+that.s.mouse.targetIndex+')', that.s.dt.nTHead).outerWidth()+"px";
+
+
+ this.dom.pointer = document.createElement( 'div' );
+ this.dom.pointer.className = "DTCR_pointer";
+ this.dom.pointer.style.position = "absolute";
+
+ if ( this.s.dt.oScroll.sX === "" && this.s.dt.oScroll.sY === "" )
+ {
+ this.dom.pointer.style.top = $(this.s.dt.nTable).offset().top+"px";
+ this.dom.pointer.style.height = $(this.s.dt.nTable).height()+"px";
+ }
+ else
+ {
+ this.dom.pointer.style.top = $('div.dataTables_scroll', this.s.dt.nTableWrapper).offset().top+"px";
+ this.dom.pointer.style.height = $('div.dataTables_scroll', this.s.dt.nTableWrapper).height()+"px";
+ }
+
+ document.body.appendChild( this.dom.pointer );
+ document.body.appendChild( this.dom.drag );
+ },
+
+ /**
+ * Clean up ColReorder memory references and event handlers
+ * @method _fnDestroy
+ * @returns void
+ * @private
+ */
+ "_fnDestroy": function ()
+ {
+ for ( var i=0, iLen=ColReorder.aoInstances.length ; i<iLen ; i++ )
+ {
+ if ( ColReorder.aoInstances[i] === this )
+ {
+ ColReorder.aoInstances.splice( i, 1 );
+ break;
+ }
+ }
+
+ $(this.s.dt.nTHead).find( '*' ).unbind( '.ColReorder' );
+
+ this.s.dt.oInstance._oPluginColReorder = null;
+ this.s = null;
+ }
+};
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Static parameters
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * Array of all ColReorder instances for later reference
+ * @property ColReorder.aoInstances
+ * @type array
+ * @default []
+ * @static
+ */
+ColReorder.aoInstances = [];
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Static functions
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * Reset the column ordering for a DataTables instance
+ * @method ColReorder.fnReset
+ * @param object oTable DataTables instance to consider
+ * @returns void
+ * @static
+ */
+ColReorder.fnReset = function ( oTable )
+{
+ for ( var i=0, iLen=ColReorder.aoInstances.length ; i<iLen ; i++ )
+ {
+ if ( ColReorder.aoInstances[i].s.dt.oInstance == oTable )
+ {
+ ColReorder.aoInstances[i].fnReset();
+ }
+ }
+};
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Constants
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * Name of this class
+ * @constant CLASS
+ * @type String
+ * @default ColReorder
+ */
+ColReorder.prototype.CLASS = "ColReorder";
+
+
+/**
+ * ColReorder version
+ * @constant VERSION
+ * @type String
+ * @default As code
+ */
+ColReorder.VERSION = "1.0.8";
+ColReorder.prototype.VERSION = ColReorder.VERSION;
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Initialisation
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Register a new feature with DataTables
+ */
+if ( typeof $.fn.dataTable == "function" &&
+ typeof $.fn.dataTableExt.fnVersionCheck == "function" &&
+ $.fn.dataTableExt.fnVersionCheck('1.9.3') )
+{
+ $.fn.dataTableExt.aoFeatures.push( {
+ "fnInit": function( oDTSettings ) {
+ var oTable = oDTSettings.oInstance;
+ if ( typeof oTable._oPluginColReorder == 'undefined' ) {
+ var opts = typeof oDTSettings.oInit.oColReorder != 'undefined' ?
+ oDTSettings.oInit.oColReorder : {};
+ oTable._oPluginColReorder = new ColReorder( oDTSettings, opts );
+ } else {
+ oTable.oApi._fnLog( oDTSettings, 1, "ColReorder attempted to initialise twice. Ignoring second" );
+ }
+
+ return null; /* No node to insert */
+ },
+ "cFeature": "R",
+ "sFeature": "ColReorder"
+ } );
+}
+else
+{
+ alert( "Warning: ColReorder requires DataTables 1.9.3 or greater - www.datatables.net/download");
+}
+
+})(jQuery, window, document);
git://source.jalview.org / proteocache.git / blobdiff