--- /dev/null
+/*! ColReorder 1.1.3
+ * ©2010-2014 SpryMedia Ltd - datatables.net/license
+ */
+
+/**
+ * @summary ColReorder
+ * @description Provide the ability to reorder columns in a DataTable
+ * @version 1.1.3
+ * @file dataTables.colReorder.js
+ * @author SpryMedia Ltd (www.sprymedia.co.uk)
+ * @contact www.sprymedia.co.uk/contact
+ * @copyright Copyright 2010-2014 SpryMedia Ltd.
+ *
+ * This source file is free software, available under the following license:
+ * MIT license - http://datatables.net/license/mit
+ *
+ * This source file is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
+ *
+ * For details please refer to: http://www.datatables.net
+ */
+
+(function(window, document, undefined) {
+
+
+/**
+ * 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 );
+ }
+}
+
+
+
+var factory = function( $, DataTable ) {
+"use strict";
+
+/**
+ * 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 v110 = $.fn.dataTable.Api ? true : false;
+ var i, iLen, j, jLen, iCols=oSettings.aoColumns.length, nTrs, oCol;
+ var attrMap = function ( obj, prop, mapping ) {
+ if ( ! obj[ prop ] ) {
+ return;
+ }
+
+ var a = obj[ prop ].split('.');
+ var num = a.shift();
+
+ if ( isNaN( num*1 ) ) {
+ return;
+ }
+
+ obj[ prop ] = mapping[ num*1 ]+'.'+a.join('.');
+ };
+
+ /* 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 column indexes
+ if ( v110 ) {
+ oCol.idx = aiInvertMapping[ oCol.idx ];
+ }
+ }
+
+ if ( v110 ) {
+ // Update 1.10 optimised sort class removal variable
+ $.each( oSettings.aLastSort, function (i, val) {
+ oSettings.aLastSort[i].src = aiInvertMapping[ val.src ];
+ } );
+ }
+
+ /* 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 ];
+
+ // regenerate the get / set functions
+ oSettings.oApi._fnColumnOptions( oSettings, i, {} );
+ }
+ else if ( $.isPlainObject( oCol.mData ) ) {
+ // HTML5 data sourced
+ attrMap( oCol.mData, '_', aiInvertMapping );
+ attrMap( oCol.mData, 'filter', aiInvertMapping );
+ attrMap( oCol.mData, 'sort', aiInvertMapping );
+ attrMap( oCol.mData, 'type', aiInvertMapping );
+
+ // regenerate the get / set functions
+ oSettings.oApi._fnColumnOptions( oSettings, i, {} );
+ }
+ }
+
+
+ /*
+ * 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++ )
+ {
+ var data = oSettings.aoData[i];
+
+ if ( v110 ) {
+ // DataTables 1.10+
+ if ( data.anCells ) {
+ fnArraySwitch( data.anCells, iFrom, iTo );
+ }
+
+ // For DOM sourced data, the invalidate will reread the cell into
+ // the data array, but for data sources as an array, they need to
+ // be flipped
+ if ( data.src !== 'dom' && $.isArray( data._aData ) ) {
+ fnArraySwitch( data._aData, iFrom, iTo );
+ }
+ }
+ else {
+ // DataTables 1.9-
+ if ( $.isArray( data._aData ) ) {
+ fnArraySwitch( data._aData, iFrom, iTo );
+ }
+ fnArraySwitch( data._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 );
+ }
+ }
+
+ // In 1.10 we need to invalidate row cached data for sorting, filtering etc
+ if ( v110 ) {
+ var api = new $.fn.dataTable.Api( oSettings );
+ api.rows().invalidate();
+ }
+
+ /*
+ * Update DataTables' event handlers
+ */
+
+ /* Sort listener */
+ for ( i=0, iLen=iCols ; i<iLen ; i++ )
+ {
+ $(oSettings.aoColumns[i].nTh).off('click.DT');
+ 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
+ } ] );
+};
+
+
+/**
+ * ColReorder provides column visibility control for DataTables
+ * @class ColReorder
+ * @constructor
+ * @param {object} dt DataTables settings object
+ * @param {object} opts ColReorder options
+ */
+var ColReorder = function( dt, opts )
+{
+ var oDTSettings;
+
+ if ( $.fn.dataTable.Api ) {
+ oDTSettings = new $.fn.dataTable.Api( dt ).settings()[0];
+ }
+ // 1.9 compatibility
+ else if ( dt.fnSettings ) {
+ // DataTables object, convert to the settings object
+ oDTSettings = dt.fnSettings();
+ }
+ else if ( typeof dt === 'string' ) {
+ // jQuery selector
+ if ( $.fn.dataTable.fnIsDataTable( $(dt)[0] ) ) {
+ oDTSettings = $(dt).eq(0).dataTable().fnSettings();
+ }
+ }
+ else if ( dt.nodeName && dt.nodeName.toLowerCase() === 'table' ) {
+ // Table node
+ if ( $.fn.dataTable.fnIsDataTable( dt.nodeName ) ) {
+ oDTSettings = $(dt.nodeName).dataTable().fnSettings();
+ }
+ }
+ else if ( dt instanceof jQuery ) {
+ // jQuery object
+ if ( $.fn.dataTable.fnIsDataTable( dt[0] ) ) {
+ oDTSettings = dt.eq(0).dataTable().fnSettings();
+ }
+ }
+ else {
+ // DataTables settings object
+ oDTSettings = dt;
+ }
+
+ // Ensure that we can't initialise on the same table twice
+ if ( oDTSettings._colReorder ) {
+ throw "ColReorder already initialised on table #"+oDTSettings.nTable.id;
+ }
+
+ // Convert from camelCase to Hungarian, just as DataTables does
+ var camelToHungarian = $.fn.dataTable.camelToHungarian;
+ if ( camelToHungarian ) {
+ camelToHungarian( ColReorder.defaults, ColReorder.defaults, true );
+ camelToHungarian( ColReorder.defaults, opts || {} );
+ }
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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": $.extend( true, {}, ColReorder.defaults, opts ),
+
+ /**
+ * Number of columns to fix (not allow to be reordered)
+ * @property fixed
+ * @type int
+ * @default 0
+ */
+ "fixed": 0,
+
+ /**
+ * Number of columns to fix counting from right (not allow to be reordered)
+ * @property fixedRight
+ * @type int
+ * @default 0
+ */
+ "fixedRight": 0,
+
+ /**
+ * Callback function for once the reorder has been done
+ * @property reorderCallback
+ * @type function
+ * @default null
+ */
+ "reorderCallback": 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;
+ this.s.dt._colReorder = this;
+ this._fnConstruct();
+
+ /* Add destroy callback */
+ oDTSettings.oApi._fnCallbackReg(oDTSettings, 'aoDestroyCallback', $.proxy(this._fnDestroy, this), 'ColReorder');
+
+ return this;
+};
+
+
+
+ColReorder.prototype = {
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Public methods
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+ /**
+ * Reset the column ordering to the original ordering that was detected on
+ * start up.
+ * @return {this} Returns `this` for chaining.
+ *
+ * @example
+ * // DataTables initialisation with ColReorder
+ * var table = $('#example').dataTable( {
+ * "sDom": 'Rlfrtip'
+ * } );
+ *
+ * // Add click event to a button to reset the ordering
+ * $('#resetOrdering').click( function (e) {
+ * e.preventDefault();
+ * $.fn.dataTable.ColReorder( table ).fnReset();
+ * } );
+ */
+ "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 );
+
+ return this;
+ },
+
+ /**
+ * `Deprecated` - Get the current order of the columns, as an array.
+ * @return {array} Array of column identifiers
+ * @deprecated `fnOrder` should be used in preference to this method.
+ * `fnOrder` acts as a getter/setter.
+ */
+ "fnGetCurrentOrder": function ()
+ {
+ return this.fnOrder();
+ },
+
+ /**
+ * Get the current order of the columns, as an array. Note that the values
+ * given in the array are unique identifiers for each column. Currently
+ * these are the original ordering of the columns that was detected on
+ * start up, but this could potentially change in future.
+ * @return {array} Array of column identifiers
+ *
+ * @example
+ * // Get column ordering for the table
+ * var order = $.fn.dataTable.ColReorder( dataTable ).fnOrder();
+ *//**
+ * Set the order of the columns, from the positions identified in the
+ * ordering array given. Note that ColReorder takes a brute force approach
+ * to reordering, so it is possible multiple reordering events will occur
+ * before the final order is settled upon.
+ * @param {array} [set] Array of column identifiers in the new order. Note
+ * that every column must be included, uniquely, in this array.
+ * @return {this} Returns `this` for chaining.
+ *
+ * @example
+ * // Swap the first and second columns
+ * $.fn.dataTable.ColReorder( dataTable ).fnOrder( [1, 0, 2, 3, 4] );
+ *
+ * @example
+ * // Move the first column to the end for the table `#example`
+ * var curr = $.fn.dataTable.ColReorder( '#example' ).fnOrder();
+ * var first = curr.shift();
+ * curr.push( first );
+ * $.fn.dataTable.ColReorder( '#example' ).fnOrder( curr );
+ *
+ * @example
+ * // Reverse the table's order
+ * $.fn.dataTable.ColReorder( '#example' ).fnOrder(
+ * $.fn.dataTable.ColReorder( '#example' ).fnOrder().reverse()
+ * );
+ */
+ "fnOrder": function ( set )
+ {
+ if ( set === undefined )
+ {
+ var a = [];
+ for ( var i=0, iLen=this.s.dt.aoColumns.length ; i<iLen ; i++ )
+ {
+ a.push( this.s.dt.aoColumns[i]._ColReorder_iOrigCol );
+ }
+ return a;
+ }
+
+ this._fnOrderColumns( fnInvertKeyValues( set ) );
+
+ return this;
+ },
+
+
+ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 iLen = this.s.dt.aoColumns.length;
+ var i;
+
+ /* Columns discounted from reordering - counting left to right */
+ if ( this.s.init.iFixedColumns )
+ {
+ this.s.fixed = this.s.init.iFixedColumns;
+ }
+
+ /* Columns discounted from reordering - counting right to left */
+ this.s.fixedRight = this.s.init.iFixedColumnsRight ?
+ this.s.init.iFixedColumnsRight :
+ 0;
+
+ /* Drop callback initialisation option */
+ if ( this.s.init.fnReorderCallback )
+ {
+ this.s.reorderCallback = this.s.init.fnReorderCallback;
+ }
+
+ /* Add event handlers for the drag and drop, and also mark the original column order */
+ for ( i = 0; i < iLen; i++ )
+ {
+ if ( i > this.s.fixed-1 && i < iLen - this.s.fixedRight )
+ {
+ 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 ( this.s.init.aiOrder )
+ {
+ 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 );
+ }
+ }
+ else {
+ this._fnSetColumnIndexes();
+ }
+ },
+
+
+ /**
+ * 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( false );
+ }
+
+ /* Save the state */
+ this.s.dt.oInstance.oApi._fnSaveState( this.s.dt );
+
+ this._fnSetColumnIndexes();
+
+ if ( this.s.reorderCallback !== null )
+ {
+ this.s.reorderCallback.call( this );
+ }
+ },
+
+
+ /**
+ * 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;
+ var columns = oSettings.aoColumns;
+
+ oState.ColReorder = [];
+
+ /* Sorting */
+ if ( oState.aaSorting ) {
+ // 1.10.0-
+ for ( i=0 ; i<oState.aaSorting.length ; i++ ) {
+ oState.aaSorting[i][0] = columns[ oState.aaSorting[i][0] ]._ColReorder_iOrigCol;
+ }
+
+ var aSearchCopy = $.extend( true, [], oState.aoSearchCols );
+
+ for ( i=0, iLen=columns.length ; i<iLen ; i++ )
+ {
+ iOrigColumn = columns[i]._ColReorder_iOrigCol;
+
+ /* Column filter */
+ oState.aoSearchCols[ iOrigColumn ] = aSearchCopy[i];
+
+ /* Visibility */
+ oState.abVisCols[ iOrigColumn ] = columns[i].bVisible;
+
+ /* Column reordering */
+ oState.ColReorder.push( iOrigColumn );
+ }
+ }
+ else if ( oState.order ) {
+ // 1.10.1+
+ for ( i=0 ; i<oState.order.length ; i++ ) {
+ oState.order[i][0] = columns[ oState.order[i][0] ]._ColReorder_iOrigCol;
+ }
+
+ var stateColumnsCopy = $.extend( true, [], oState.columns );
+
+ for ( i=0, iLen=columns.length ; i<iLen ; i++ )
+ {
+ iOrigColumn = columns[i]._ColReorder_iOrigCol;
+
+ /* Columns */
+ oState.columns[ iOrigColumn ] = stateColumnsCopy[i];
+
+ /* 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).on( '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;
+
+ /* Store information about the mouse position */
+ var target = $(e.target).closest('th, td');
+ var offset = target.offset();
+ var idx = parseInt( $(nTh).attr('data-column-index'), 10 );
+
+ if ( idx === undefined ) {
+ return;
+ }
+
+ 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 = this.s.dt.aoColumns[ idx ].nTh;//target[0];
+ this.s.mouse.targetIndex = idx;
+ this.s.mouse.fromIndex = idx;
+
+ this._fnRegions();
+
+ /* Add event handlers to the document */
+ $(document)
+ .on( 'mousemove.ColReorder', function (e) {
+ that._fnMouseMove.call( that, e );
+ } )
+ .on( '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.css( {
+ left: e.pageX - this.s.mouse.offsetX,
+ top: e.pageY - this.s.mouse.offsetY
+ } );
+
+ /* Based on the current mouse position, calculate where the insert should go */
+ var bSet = false;
+ var lastToIndex = this.s.mouse.toIndex;
+
+ 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.css( 'left', this.s.aoTargets[i-1].x );
+ 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.css( 'left', this.s.aoTargets[this.s.aoTargets.length-1].x );
+ this.s.mouse.toIndex = this.s.aoTargets[this.s.aoTargets.length-1].to;
+ }
+
+ // Perform reordering if realtime updating is on and the column has moved
+ if ( this.s.init.bRealtime && lastToIndex !== this.s.mouse.toIndex ) {
+ this.s.dt.oInstance.fnColReorder( this.s.mouse.fromIndex, this.s.mouse.toIndex );
+ this.s.mouse.fromIndex = this.s.mouse.toIndex;
+ this._fnRegions();
+ }
+ },
+
+
+ /**
+ * 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).off( 'mousemove.ColReorder mouseup.ColReorder' );
+
+ if ( this.dom.drag !== null )
+ {
+ /* Remove the guide elements */
+ this.dom.drag.remove();
+ this.dom.pointer.remove();
+ 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 );
+ this._fnSetColumnIndexes();
+
+ /* 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( false );
+ }
+
+ /* Save the state */
+ this.s.dt.oInstance.oApi._fnSaveState( this.s.dt );
+
+ if ( this.s.reorderCallback !== null )
+ {
+ this.s.reorderCallback.call( this );
+ }
+ }
+ },
+
+
+ /**
+ * Calculate a cached array with the points of the column inserts, and the
+ * 'to' points
+ * @method _fnRegions
+ * @returns void
+ * @private
+ */
+ "_fnRegions": function ()
+ {
+ var aoColumns = this.s.dt.aoColumns;
+
+ 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 right to left */
+ if ( this.s.fixedRight !== 0 )
+ {
+ this.s.aoTargets.splice( this.s.aoTargets.length - this.s.fixedRight );
+ }
+
+ /* 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 );
+ }
+ },
+
+
+ /**
+ * 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 scrolling = this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "";
+
+ var origCell = this.s.dt.aoColumns[ this.s.mouse.targetIndex ].nTh;
+ var origTr = origCell.parentNode;
+ var origThead = origTr.parentNode;
+ var origTable = origThead.parentNode;
+ var cloneCell = $(origCell).clone();
+
+ // This is a slightly odd combination of jQuery and DOM, but it is the
+ // fastest and least resource intensive way I could think of cloning
+ // the table with just a single header cell in it.
+ this.dom.drag = $(origTable.cloneNode(false))
+ .addClass( 'DTCR_clonedTable' )
+ .append(
+ $(origThead.cloneNode(false)).append(
+ $(origTr.cloneNode(false)).append(
+ cloneCell[0]
+ )
+ )
+ )
+ .css( {
+ position: 'absolute',
+ top: 0,
+ left: 0,
+ width: $(origCell).outerWidth(),
+ height: $(origCell).outerHeight()
+ } )
+ .appendTo( 'body' );
+
+ this.dom.pointer = $('<div></div>')
+ .addClass( 'DTCR_pointer' )
+ .css( {
+ position: 'absolute',
+ top: scrolling ?
+ $('div.dataTables_scroll', this.s.dt.nTableWrapper).offset().top :
+ $(this.s.dt.nTable).offset().top,
+ height : scrolling ?
+ $('div.dataTables_scroll', this.s.dt.nTableWrapper).height() :
+ $(this.s.dt.nTable).height()
+ } )
+ .appendTo( 'body' );
+ },
+
+ /**
+ * Clean up ColReorder memory references and event handlers
+ * @method _fnDestroy
+ * @returns void
+ * @private
+ */
+ "_fnDestroy": function ()
+ {
+ var i, iLen;
+
+ for ( i=0, iLen=this.s.dt.aoDrawCallback.length ; i<iLen ; i++ )
+ {
+ if ( this.s.dt.aoDrawCallback[i].sName === 'ColReorder_Pre' )
+ {
+ this.s.dt.aoDrawCallback.splice( i, 1 );
+ break;
+ }
+ }
+
+ $(this.s.dt.nTHead).find( '*' ).off( '.ColReorder' );
+
+ $.each( this.s.dt.aoColumns, function (i, column) {
+ $(column.nTh).removeAttr('data-column-index');
+ } );
+
+ this.s.dt._colReorder = null;
+ this.s = null;
+ },
+
+
+ /**
+ * Add a data attribute to the column headers, so we know the index of
+ * the row to be reordered. This allows fast detection of the index, and
+ * for this plug-in to work with FixedHeader which clones the nodes.
+ * @private
+ */
+ "_fnSetColumnIndexes": function ()
+ {
+ $.each( this.s.dt.aoColumns, function (i, column) {
+ $(column.nTh).attr('data-column-index', i);
+ } );
+ }
+};
+
+
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Static parameters
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+
+/**
+ * ColReorder default settings for initialisation
+ * @namespace
+ * @static
+ */
+ColReorder.defaults = {
+ /**
+ * Predefined ordering for the columns that will be applied automatically
+ * on initialisation. If not specified then the order that the columns are
+ * found to be in the HTML is the order used.
+ * @type array
+ * @default null
+ * @static
+ * @example
+ * // Using the `oColReorder` option in the DataTables options object
+ * $('#example').dataTable( {
+ * "sDom": 'Rlfrtip',
+ * "oColReorder": {
+ * "aiOrder": [ 4, 3, 2, 1, 0 ]
+ * }
+ * } );
+ *
+ * @example
+ * // Using `new` constructor
+ * $('#example').dataTable()
+ *
+ * new $.fn.dataTable.ColReorder( '#example', {
+ * "aiOrder": [ 4, 3, 2, 1, 0 ]
+ * } );
+ */
+ aiOrder: null,
+
+ /**
+ * Redraw the table's column ordering as the end user draws the column
+ * (`true`) or wait until the mouse is released (`false` - default). Note
+ * that this will perform a redraw on each reordering, which involves an
+ * Ajax request each time if you are using server-side processing in
+ * DataTables.
+ * @type boolean
+ * @default false
+ * @static
+ * @example
+ * // Using the `oColReorder` option in the DataTables options object
+ * $('#example').dataTable( {
+ * "sDom": 'Rlfrtip',
+ * "oColReorder": {
+ * "bRealtime": true
+ * }
+ * } );
+ *
+ * @example
+ * // Using `new` constructor
+ * $('#example').dataTable()
+ *
+ * new $.fn.dataTable.ColReorder( '#example', {
+ * "bRealtime": true
+ * } );
+ */
+ bRealtime: false,
+
+ /**
+ * Indicate how many columns should be fixed in position (counting from the
+ * left). This will typically be 1 if used, but can be as high as you like.
+ * @type int
+ * @default 0
+ * @static
+ * @example
+ * // Using the `oColReorder` option in the DataTables options object
+ * $('#example').dataTable( {
+ * "sDom": 'Rlfrtip',
+ * "oColReorder": {
+ * "iFixedColumns": 1
+ * }
+ * } );
+ *
+ * @example
+ * // Using `new` constructor
+ * $('#example').dataTable()
+ *
+ * new $.fn.dataTable.ColReorder( '#example', {
+ * "iFixedColumns": 1
+ * } );
+ */
+ iFixedColumns: 0,
+
+ /**
+ * As `iFixedColumnsRight` but counting from the right.
+ * @type int
+ * @default 0
+ * @static
+ * @example
+ * // Using the `oColReorder` option in the DataTables options object
+ * $('#example').dataTable( {
+ * "sDom": 'Rlfrtip',
+ * "oColReorder": {
+ * "iFixedColumnsRight": 1
+ * }
+ * } );
+ *
+ * @example
+ * // Using `new` constructor
+ * $('#example').dataTable()
+ *
+ * new $.fn.dataTable.ColReorder( '#example', {
+ * "iFixedColumnsRight": 1
+ * } );
+ */
+ iFixedColumnsRight: 0,
+
+ /**
+ * Callback function that is fired when columns are reordered
+ * @type function():void
+ * @default null
+ * @static
+ * @example
+ * // Using the `oColReorder` option in the DataTables options object
+ * $('#example').dataTable( {
+ * "sDom": 'Rlfrtip',
+ * "oColReorder": {
+ * "fnReorderCallback": function () {
+ * alert( 'Columns reordered' );
+ * }
+ * }
+ * } );
+ *
+ * @example
+ * // Using `new` constructor
+ * $('#example').dataTable()
+ *
+ * new $.fn.dataTable.ColReorder( '#example', {
+ * "fnReorderCallback": function () {
+ * alert( 'Columns reordered' );
+ * }
+ * } );
+ */
+ fnReorderCallback: null
+};
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Constants
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/**
+ * ColReorder version
+ * @constant version
+ * @type String
+ * @default As code
+ */
+ColReorder.version = "1.1.3";
+
+
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * DataTables interfaces
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+// Expose
+$.fn.dataTable.ColReorder = ColReorder;
+$.fn.DataTable.ColReorder = ColReorder;
+
+
+// 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( settings ) {
+ var table = settings.oInstance;
+
+ if ( ! settings._colReorder ) {
+ var dtInit = settings.oInit;
+ var opts = dtInit.colReorder || dtInit.oColReorder || {};
+
+ new ColReorder( settings, opts );
+ }
+ else {
+ table.oApi._fnLog( settings, 1, "ColReorder attempted to initialise twice. Ignoring second" );
+ }
+
+ return null; /* No node for DataTables to insert */
+ },
+ "cFeature": "R",
+ "sFeature": "ColReorder"
+ } );
+}
+else {
+ alert( "Warning: ColReorder requires DataTables 1.9.3 or greater - www.datatables.net/download");
+}
+
+
+// API augmentation
+if ( $.fn.dataTable.Api ) {
+ $.fn.dataTable.Api.register( 'colReorder.reset()', function () {
+ return this.iterator( 'table', function ( ctx ) {
+ ctx._colReorder.fnReset();
+ } );
+ } );
+
+ $.fn.dataTable.Api.register( 'colReorder.order()', function ( set ) {
+ if ( set ) {
+ return this.iterator( 'table', function ( ctx ) {
+ ctx._colReorder.fnOrder( set );
+ } );
+ }
+
+ return this.context.length ?
+ this.context[0]._colReorder.fnOrder() :
+ null;
+ } );
+}
+
+return ColReorder;
+}; // /factory
+
+
+// Define as an AMD module if possible
+if ( typeof define === 'function' && define.amd ) {
+ define( ['jquery', 'datatables'], factory );
+}
+else if ( typeof exports === 'object' ) {
+ // Node/CommonJS
+ factory( require('jquery'), require('datatables') );
+}
+else if ( jQuery && !jQuery.fn.dataTable.ColReorder ) {
+ // Otherwise simply initialise as normal, stopping multiple evaluation
+ factory( jQuery, jQuery.fn.dataTable );
+}
+
+
+})(window, document);
Code Review / stor4nfv.git / blobdiff