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/! 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( num1 ) ) { return; } obj[ prop ] = mapping[ num1 ]+'.'+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);

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