/*! ColReorder 1.5.5 * ©2010-2021 SpryMedia Ltd - datatables.net/license */ /** * @summary ColReorder * @description Provide the ability to reorder columns in a DataTable * @version 1.5.5 * @file dataTables.colReorder.js * @author SpryMedia Ltd (www.sprymedia.co.uk) * @contact www.sprymedia.co.uk/contact * @copyright Copyright 2010-2021 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( factory ){ if ( typeof define === 'function' && define.amd ) { // AMD define( ['jquery', 'datatables.net'], function ( $ ) { return factory( $, window, document ); } ); } else if ( typeof exports === 'object' ) { // CommonJS module.exports = function (root, $) { if ( ! root ) { root = window; } if ( ! $ || ! $.fn.dataTable ) { $ = require('datatables.net')(root, $).$; } return factory( $, root, root.document ); }; } else { // Browser factory( jQuery, window, document ); } }(function( $, window, document, undefined ) { 'use strict'; var DataTable = $.fn.dataTable; /** * 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 ); } } /** * 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 * @param bool drop Indicate if the reorder is the final one (i.e. a drop) * not a live reorder * @param bool invalidateRows speeds up processing if false passed * @returns void */ $.fn.dataTableExt.oApi.fnColReorder = function ( oSettings, iFrom, iTo, drop, invalidateRows ) { var i, iLen, j, jLen, jen, iCols=oSettings.aoColumns.length, nTrs, oCol; var attrMap = function ( obj, prop, mapping ) { if ( ! obj[ prop ] || typeof obj[ prop ] === 'function' ) { 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 oCol.idx = aiInvertMapping[ oCol.idx ]; } // 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 ]; } 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 ); } } /* * 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 ); // regenerate the get / set functions for ( i=0, iLen=iCols ; i<iLen ; i++ ) { oSettings.oApi._fnColumnOptions( oSettings, i, {} ); } /* 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]; var cells = data.anCells; if ( cells ) { fnArraySwitch( cells, iFrom, iTo ); // Longer term, should this be moved into the DataTables' invalidate // methods? for ( j=0, jen=cells.length ; j<jen ; j++ ) { if ( cells[j] && cells[j]._DT_CellIndex ) { cells[j]._DT_CellIndex.column = j; } } } // 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' && Array.isArray( data._aData ) ) { fnArraySwitch( data._aData, 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 ); } } if ( invalidateRows || invalidateRows === undefined ) { $.fn.dataTable.Api( oSettings ).rows().invalidate(); } /* * Update DataTables' event handlers */ /* Sort listener */ for ( i=0, iLen=iCols ; i<iLen ; i++ ) { $(oSettings.aoColumns[i].nTh).off('.DT'); this.oApi._fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i ); } /* Fire an event so other plug-ins can update */ $(oSettings.oInstance).trigger( 'column-reorder.dt', [ oSettings, { from: iFrom, to: iTo, mapping: aiInvertMapping, drop: drop, // Old style parameters for compatibility 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 settings = new $.fn.dataTable.Api( dt ).settings()[0]; // Ensure that we can't initialise on the same table twice if ( settings._colReorder ) { return settings._colReorder; } // Allow the options to be a boolean for defaults if ( opts === true ) { opts = {}; } // 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, /** * Enable flag * @property dt * @type Object * @default null */ "enable": 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.enable = this.s.init.bEnable; this.s.dt = settings; this.s.dt._colReorder = this; this._fnConstruct(); return this; }; $.extend( ColReorder.prototype, { /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Public methods * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /** * Enable / disable end user interaction */ fnEnable: function ( flag ) { if ( flag === false ) { return fnDisable(); } this.s.enable = true; }, /** * Disable end user interaction */ fnDisable: function () { this.s.enable = false; }, /** * 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 () { this._fnOrderColumns( this.fnOrder() ); 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, original ) { var a = [], i, ien, j, jen; var columns = this.s.dt.aoColumns; if ( set === undefined ){ for ( i=0, ien=columns.length ; i<ien ; i++ ) { a.push( columns[i]._ColReorder_iOrigCol ); } return a; } // The order given is based on the original indexes, rather than the // existing ones, so we need to translate from the original to current // before then doing the order if ( original ) { var order = this.fnOrder(); for ( i=0, ien=set.length ; i<ien ; i++ ) { a.push( $.inArray( set[i], order ) ); } set = a; } this._fnOrderColumns( fnInvertKeyValues( set ) ); return this; }, /** * Convert from the original column index, to the original * * @param {int|array} idx Index(es) to convert * @param {string} dir Transpose direction - `fromOriginal` / `toCurrent` * or `'toOriginal` / `fromCurrent` * @return {int|array} Converted values */ fnTranspose: function ( idx, dir ) { if ( ! dir ) { dir = 'toCurrent'; } var order = this.fnOrder(); var columns = this.s.dt.aoColumns; if ( dir === 'toCurrent' ) { // Given an original index, want the current return ! Array.isArray( idx ) ? $.inArray( idx, order ) : $.map( idx, function ( index ) { return $.inArray( index, order ); } ); } else { // Given a current index, want the original return ! Array.isArray( idx ) ? columns[idx]._ColReorder_iOrigCol : $.map( idx, function ( index ) { return columns[index]._ColReorder_iOrigCol; } ); } }, /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 table = this.s.dt.nTable; var i; /* Columns discounted from reordering - counting left to right */ if ( this.s.init.iFixedColumns ) { this.s.fixed = this.s.init.iFixedColumns; } if ( this.s.init.iFixedColumnsLeft ) { this.s.fixed = this.s.init.iFixedColumnsLeft; } /* 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" ); this.s.dt.oApi._fnCallbackReg(this.s.dt, 'aoStateLoadParams', function(oS, oData) { that.s.dt._colReorder.fnOrder(oData.ColReorder, true); }) /* 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; $(table).on( 'draw.dt.colReorder', function () { if ( !that.s.dt._bInitComplete && !bDone ) { bDone = true; var resort = fnInvertKeyValues( aiOrder ); that._fnOrderColumns.call( that, resort ); } } ); } else { var resort = fnInvertKeyValues( aiOrder ); that._fnOrderColumns.call( that, resort ); } } else { this._fnSetColumnIndexes(); } // Destroy clean up $(table).on( 'destroy.dt.colReorder', function () { $(table).off( 'destroy.dt.colReorder draw.dt.colReorder' ); $.each( that.s.dt.aoColumns, function (i, column) { $(column.nTh).off('.ColReorder'); $(column.nTh).removeAttr('data-column-index'); } ); that.s.dt._colReorder = null; that.s = null; } ); }, /** * 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 ) { var changed = false; 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, true, false ); changed = true; } } this._fnSetColumnIndexes(); // Has anything actually changed? If not, then nothing else to do if ( ! changed ) { return; } $.fn.dataTable.Api( this.s.dt ).rows().invalidate(); /* 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 ); } }, /** * 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 ) { if(this.s === null) { return; } 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) { if ( that.s.enable && e.which === 1 ) { that._fnMouseDown.call( that, e, nTh ); } } ) .on( 'touchstart.ColReorder', function (e) { if ( that.s.enable ) { 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 = this._fnCursorPosition( e, 'pageX' ); this.s.mouse.startY = this._fnCursorPosition( e, 'pageY' ); this.s.mouse.offsetX = this._fnCursorPosition( e, 'pageX' ) - offset.left; this.s.mouse.offsetY = this._fnCursorPosition( 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 touchmove.ColReorder', function (e) { that._fnMouseMove.call( that, e ); } ) .on( 'mouseup.ColReorder touchend.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(this._fnCursorPosition( e, 'pageX') - this.s.mouse.startX, 2) + Math.pow(this._fnCursorPosition( 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: this._fnCursorPosition( e, 'pageX' ) - this.s.mouse.offsetX, top: this._fnCursorPosition( e, 'pageY' ) - this.s.mouse.offsetY } ); /* Based on the current mouse position, calculate where the insert should go */ var target; var lastToIndex = this.s.mouse.toIndex; var cursorXPosiotion = this._fnCursorPosition(e, 'pageX'); var targetsPrev = function (i) { while (i >= 0) { i--; if (i <= 0) { return null; } if (that.s.aoTargets[i+1].x !== that.s.aoTargets[i].x) { return that.s.aoTargets[i]; } } }; var firstNotHidden = function () { for (var i=0 ; i<that.s.aoTargets.length-1 ; i++) { if (that.s.aoTargets[i].x !== that.s.aoTargets[i+1].x) { return that.s.aoTargets[i]; } } }; var lastNotHidden = function () { for (var i=that.s.aoTargets.length-1 ; i>0 ; i--) { if (that.s.aoTargets[i].x !== that.s.aoTargets[i-1].x) { return that.s.aoTargets[i]; } } }; for (var i = 1; i < this.s.aoTargets.length; i++) { var prevTarget = targetsPrev(i); if (! prevTarget) { prevTarget = firstNotHidden(); } var prevTargetMiddle = prevTarget.x + (this.s.aoTargets[i].x - prevTarget.x) / 2; if (this._fnIsLtr()) { if (cursorXPosiotion < prevTargetMiddle ) { target = prevTarget; break; } } else { if (cursorXPosiotion > prevTargetMiddle) { target = prevTarget; break; } } } if (target) { this.dom.pointer.css('left', target.x); this.s.mouse.toIndex = target.to; } else { // The insert element wasn't positioned in the array (less than // operator), so we put it at the end this.dom.pointer.css( 'left', lastNotHidden().x ); this.s.mouse.toIndex = lastNotHidden().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; // Not great for performance, but required to keep everything in alignment if ( this.s.dt.oScroll.sX !== "" || this.s.dt.oScroll.sY !== "" ) { this.s.dt.oInstance.fnAdjustColumnSizing( false ); } 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( '.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, true ); 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; var isLTR = this._fnIsLtr(); this.s.aoTargets.splice(0, this.s.aoTargets.length); var lastBound = $(this.s.dt.nTable).offset().left; var aoColumnBounds = []; $.each(aoColumns, function (i, column) { if (column.bVisible && column.nTh.style.display !== 'none') { var nth = $(column.nTh); var bound = nth.offset().left; if (isLTR) { bound += nth.outerWidth(); } aoColumnBounds.push({ index: i, bound: bound }); lastBound = bound; } else { aoColumnBounds.push({ index: i, bound: lastBound }); } }); var firstColumn = aoColumnBounds[0]; var firstColumnWidth = $(aoColumns[firstColumn.index].nTh).outerWidth(); this.s.aoTargets.push({ to: 0, x: firstColumn.bound - firstColumnWidth }); for (var i = 0; i < aoColumnBounds.length; i++) { var columnBound = aoColumnBounds[i]; var iToPoint = columnBound.index; /* 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 increment the counter for * other columns */ if (columnBound.index < this.s.mouse.fromIndex) { iToPoint++; } this.s.aoTargets.push({ to: iToPoint, x: columnBound.bound }); } /* 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 ? $($(this.s.dt.nScrollBody).parent()).offset().top : $(this.s.dt.nTable).offset().top, height : scrolling ? $($(this.s.dt.nScrollBody).parent()).height() : $(this.s.dt.nTable).height() } ) .appendTo( 'body' ); }, /** * 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); } ); }, /** * Get cursor position regardless of mouse or touch input * @param {Event} e jQuery Event * @param {string} prop Property to get * @return {number} Value */ _fnCursorPosition: function ( e, prop ) { if ( e.type.indexOf('touch') !== -1 ) { return e.originalEvent.touches[0][ prop ]; } return e[ prop ]; }, _fnIsLtr: function () { return $(this.s.dt.nTable).css('direction') !== "rtl"; } } ); /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 */ aiOrder: null, /** * ColReorder enable on initialisation * @type boolean * @default true * @static */ bEnable: true, /** * 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 */ bRealtime: true, /** * 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 */ iFixedColumnsLeft: 0, /** * As `iFixedColumnsRight` but counting from the right. * @type int * @default 0 * @static */ iFixedColumnsRight: 0, /** * Callback function that is fired when columns are reordered. The `column- * reorder` event is preferred over this callback * @type function():void * @default null * @static */ fnReorderCallback: null }; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Constants * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /** * ColReorder version * @constant version * @type String * @default As code */ ColReorder.version = "1.5.5"; /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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('1.10.8') ) { $.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 1.10.8 or greater - www.datatables.net/download"); } // Attach a listener to the document which listens for DataTables initialisation // events so we can automatically initialise $(document).on( 'preInit.dt.colReorder', function (e, settings) { if ( e.namespace !== 'dt' ) { return; } var init = settings.oInit.colReorder; var defaults = DataTable.defaults.colReorder; if ( init || defaults ) { var opts = $.extend( {}, init, defaults ); if ( init !== false ) { new ColReorder( settings, opts ); } } } ); // API augmentation $.fn.dataTable.Api.register( 'colReorder.reset()', function () { return this.iterator( 'table', function ( ctx ) { ctx._colReorder.fnReset(); } ); } ); $.fn.dataTable.Api.register( 'colReorder.order()', function ( set, original ) { if ( set ) { return this.iterator( 'table', function ( ctx ) { ctx._colReorder.fnOrder( set, original ); } ); } return this.context.length ? this.context[0]._colReorder.fnOrder() : null; } ); $.fn.dataTable.Api.register( 'colReorder.transpose()', function ( idx, dir ) { return this.context.length && this.context[0]._colReorder ? this.context[0]._colReorder.fnTranspose( idx, dir ) : idx; } ); $.fn.dataTable.Api.register( 'colReorder.move()', function( from, to, drop, invalidateRows ) { if (this.context.length) { this.context[0]._colReorder.s.dt.oInstance.fnColReorder( from, to, drop, invalidateRows ); this.context[0]._colReorder._fnSetColumnIndexes(); } return this; } ); $.fn.dataTable.Api.register( 'colReorder.enable()', function( flag ) { return this.iterator( 'table', function ( ctx ) { if ( ctx._colReorder ) { ctx._colReorder.fnEnable( flag ); } } ); } ); $.fn.dataTable.Api.register( 'colReorder.disable()', function() { return this.iterator( 'table', function ( ctx ) { if ( ctx._colReorder ) { ctx._colReorder.fnDisable(); } } ); } ); return ColReorder; }));