1423 lines
36 KiB
JavaScript
1423 lines
36 KiB
JavaScript
/*! ColReorder 1.5.0
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* ©2010-2018 SpryMedia Ltd - datatables.net/license
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*/
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/**
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* @summary ColReorder
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* @description Provide the ability to reorder columns in a DataTable
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* @version 1.5.0
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* @file dataTables.colReorder.js
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* @author SpryMedia Ltd (www.sprymedia.co.uk)
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* @contact www.sprymedia.co.uk/contact
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* @copyright Copyright 2010-2018 SpryMedia Ltd.
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*
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* This source file is free software, available under the following license:
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* MIT license - http://datatables.net/license/mit
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*
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* This source file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.
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*
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* For details please refer to: http://www.datatables.net
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*/
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(function( factory ){
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if ( typeof define === 'function' && define.amd ) {
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// AMD
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define( ['jquery', 'datatables.net'], function ( $ ) {
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return factory( $, window, document );
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} );
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}
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else if ( typeof exports === 'object' ) {
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// CommonJS
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module.exports = function (root, $) {
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if ( ! root ) {
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root = window;
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}
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if ( ! $ || ! $.fn.dataTable ) {
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$ = require('datatables.net')(root, $).$;
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}
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return factory( $, root, root.document );
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};
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}
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else {
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// Browser
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factory( jQuery, window, document );
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}
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}(function( $, window, document, undefined ) {
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'use strict';
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var DataTable = $.fn.dataTable;
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/**
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* Switch the key value pairing of an index array to be value key (i.e. the old value is now the
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* key). For example consider [ 2, 0, 1 ] this would be returned as [ 1, 2, 0 ].
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* @method fnInvertKeyValues
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* @param array aIn Array to switch around
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* @returns array
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*/
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function fnInvertKeyValues( aIn )
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{
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var aRet=[];
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for ( var i=0, iLen=aIn.length ; i<iLen ; i++ )
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{
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aRet[ aIn[i] ] = i;
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}
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return aRet;
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}
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/**
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* Modify an array by switching the position of two elements
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* @method fnArraySwitch
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* @param array aArray Array to consider, will be modified by reference (i.e. no return)
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* @param int iFrom From point
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* @param int iTo Insert point
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* @returns void
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*/
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function fnArraySwitch( aArray, iFrom, iTo )
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{
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var mStore = aArray.splice( iFrom, 1 )[0];
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aArray.splice( iTo, 0, mStore );
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}
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/**
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* Switch the positions of nodes in a parent node (note this is specifically designed for
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* table rows). Note this function considers all element nodes under the parent!
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* @method fnDomSwitch
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* @param string sTag Tag to consider
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* @param int iFrom Element to move
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* @param int Point to element the element to (before this point), can be null for append
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* @returns void
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*/
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function fnDomSwitch( nParent, iFrom, iTo )
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{
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var anTags = [];
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for ( var i=0, iLen=nParent.childNodes.length ; i<iLen ; i++ )
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{
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if ( nParent.childNodes[i].nodeType == 1 )
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{
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anTags.push( nParent.childNodes[i] );
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}
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}
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var nStore = anTags[ iFrom ];
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if ( iTo !== null )
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{
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nParent.insertBefore( nStore, anTags[iTo] );
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}
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else
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{
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nParent.appendChild( nStore );
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}
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}
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/**
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* Plug-in for DataTables which will reorder the internal column structure by taking the column
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* from one position (iFrom) and insert it into a given point (iTo).
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* @method $.fn.dataTableExt.oApi.fnColReorder
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* @param object oSettings DataTables settings object - automatically added by DataTables!
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* @param int iFrom Take the column to be repositioned from this point
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* @param int iTo and insert it into this point
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* @param bool drop Indicate if the reorder is the final one (i.e. a drop)
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* not a live reorder
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* @param bool invalidateRows speeds up processing if false passed
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* @returns void
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*/
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$.fn.dataTableExt.oApi.fnColReorder = function ( oSettings, iFrom, iTo, drop, invalidateRows )
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{
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var i, iLen, j, jLen, jen, iCols=oSettings.aoColumns.length, nTrs, oCol;
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var attrMap = function ( obj, prop, mapping ) {
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if ( ! obj[ prop ] || typeof obj[ prop ] === 'function' ) {
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return;
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}
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var a = obj[ prop ].split('.');
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var num = a.shift();
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if ( isNaN( num*1 ) ) {
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return;
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}
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obj[ prop ] = mapping[ num*1 ]+'.'+a.join('.');
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};
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/* Sanity check in the input */
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if ( iFrom == iTo )
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{
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/* Pointless reorder */
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return;
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}
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if ( iFrom < 0 || iFrom >= iCols )
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{
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this.oApi._fnLog( oSettings, 1, "ColReorder 'from' index is out of bounds: "+iFrom );
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return;
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}
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if ( iTo < 0 || iTo >= iCols )
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{
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this.oApi._fnLog( oSettings, 1, "ColReorder 'to' index is out of bounds: "+iTo );
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return;
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}
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/*
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* Calculate the new column array index, so we have a mapping between the old and new
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*/
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var aiMapping = [];
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for ( i=0, iLen=iCols ; i<iLen ; i++ )
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{
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aiMapping[i] = i;
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}
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fnArraySwitch( aiMapping, iFrom, iTo );
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var aiInvertMapping = fnInvertKeyValues( aiMapping );
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/*
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* Convert all internal indexing to the new column order indexes
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*/
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/* Sorting */
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for ( i=0, iLen=oSettings.aaSorting.length ; i<iLen ; i++ )
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{
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oSettings.aaSorting[i][0] = aiInvertMapping[ oSettings.aaSorting[i][0] ];
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}
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/* Fixed sorting */
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if ( oSettings.aaSortingFixed !== null )
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{
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for ( i=0, iLen=oSettings.aaSortingFixed.length ; i<iLen ; i++ )
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{
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oSettings.aaSortingFixed[i][0] = aiInvertMapping[ oSettings.aaSortingFixed[i][0] ];
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}
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}
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/* Data column sorting (the column which the sort for a given column should take place on) */
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for ( i=0, iLen=iCols ; i<iLen ; i++ )
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{
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oCol = oSettings.aoColumns[i];
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for ( j=0, jLen=oCol.aDataSort.length ; j<jLen ; j++ )
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{
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oCol.aDataSort[j] = aiInvertMapping[ oCol.aDataSort[j] ];
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}
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// Update the column indexes
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oCol.idx = aiInvertMapping[ oCol.idx ];
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}
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// Update 1.10 optimised sort class removal variable
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$.each( oSettings.aLastSort, function (i, val) {
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oSettings.aLastSort[i].src = aiInvertMapping[ val.src ];
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} );
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/* Update the Get and Set functions for each column */
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for ( i=0, iLen=iCols ; i<iLen ; i++ )
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{
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oCol = oSettings.aoColumns[i];
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if ( typeof oCol.mData == 'number' ) {
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oCol.mData = aiInvertMapping[ oCol.mData ];
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}
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else if ( $.isPlainObject( oCol.mData ) ) {
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// HTML5 data sourced
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attrMap( oCol.mData, '_', aiInvertMapping );
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attrMap( oCol.mData, 'filter', aiInvertMapping );
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attrMap( oCol.mData, 'sort', aiInvertMapping );
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attrMap( oCol.mData, 'type', aiInvertMapping );
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}
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}
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/*
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* Move the DOM elements
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*/
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if ( oSettings.aoColumns[iFrom].bVisible )
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{
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/* Calculate the current visible index and the point to insert the node before. The insert
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* before needs to take into account that there might not be an element to insert before,
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* in which case it will be null, and an appendChild should be used
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*/
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var iVisibleIndex = this.oApi._fnColumnIndexToVisible( oSettings, iFrom );
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var iInsertBeforeIndex = null;
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i = iTo < iFrom ? iTo : iTo + 1;
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while ( iInsertBeforeIndex === null && i < iCols )
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{
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iInsertBeforeIndex = this.oApi._fnColumnIndexToVisible( oSettings, i );
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i++;
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}
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/* Header */
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nTrs = oSettings.nTHead.getElementsByTagName('tr');
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for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
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{
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fnDomSwitch( nTrs[i], iVisibleIndex, iInsertBeforeIndex );
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}
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/* Footer */
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if ( oSettings.nTFoot !== null )
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{
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nTrs = oSettings.nTFoot.getElementsByTagName('tr');
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for ( i=0, iLen=nTrs.length ; i<iLen ; i++ )
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{
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fnDomSwitch( nTrs[i], iVisibleIndex, iInsertBeforeIndex );
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}
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}
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/* Body */
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for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
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{
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if ( oSettings.aoData[i].nTr !== null )
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{
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fnDomSwitch( oSettings.aoData[i].nTr, iVisibleIndex, iInsertBeforeIndex );
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}
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}
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}
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/*
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* Move the internal array elements
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*/
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/* Columns */
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fnArraySwitch( oSettings.aoColumns, iFrom, iTo );
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// regenerate the get / set functions
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for ( i=0, iLen=iCols ; i<iLen ; i++ ) {
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oSettings.oApi._fnColumnOptions( oSettings, i, {} );
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}
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/* Search columns */
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fnArraySwitch( oSettings.aoPreSearchCols, iFrom, iTo );
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/* Array array - internal data anodes cache */
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for ( i=0, iLen=oSettings.aoData.length ; i<iLen ; i++ )
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{
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var data = oSettings.aoData[i];
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var cells = data.anCells;
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if ( cells ) {
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fnArraySwitch( cells, iFrom, iTo );
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// Longer term, should this be moved into the DataTables' invalidate
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// methods?
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for ( j=0, jen=cells.length ; j<jen ; j++ ) {
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if ( cells[j] && cells[j]._DT_CellIndex ) {
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cells[j]._DT_CellIndex.column = j;
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}
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}
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}
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// For DOM sourced data, the invalidate will reread the cell into
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// the data array, but for data sources as an array, they need to
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// be flipped
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if ( data.src !== 'dom' && $.isArray( data._aData ) ) {
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fnArraySwitch( data._aData, iFrom, iTo );
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}
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}
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/* Reposition the header elements in the header layout array */
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for ( i=0, iLen=oSettings.aoHeader.length ; i<iLen ; i++ )
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{
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fnArraySwitch( oSettings.aoHeader[i], iFrom, iTo );
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}
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if ( oSettings.aoFooter !== null )
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{
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for ( i=0, iLen=oSettings.aoFooter.length ; i<iLen ; i++ )
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{
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fnArraySwitch( oSettings.aoFooter[i], iFrom, iTo );
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}
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}
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if ( invalidateRows || invalidateRows === undefined )
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{
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$.fn.dataTable.Api( oSettings ).rows().invalidate();
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}
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/*
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* Update DataTables' event handlers
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*/
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/* Sort listener */
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for ( i=0, iLen=iCols ; i<iLen ; i++ )
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{
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$(oSettings.aoColumns[i].nTh).off('.DT');
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this.oApi._fnSortAttachListener( oSettings, oSettings.aoColumns[i].nTh, i );
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}
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/* Fire an event so other plug-ins can update */
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$(oSettings.oInstance).trigger( 'column-reorder.dt', [ oSettings, {
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from: iFrom,
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to: iTo,
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mapping: aiInvertMapping,
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drop: drop,
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// Old style parameters for compatibility
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iFrom: iFrom,
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iTo: iTo,
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aiInvertMapping: aiInvertMapping
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} ] );
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};
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/**
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* ColReorder provides column visibility control for DataTables
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* @class ColReorder
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* @constructor
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* @param {object} dt DataTables settings object
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* @param {object} opts ColReorder options
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*/
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var ColReorder = function( dt, opts )
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{
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var settings = new $.fn.dataTable.Api( dt ).settings()[0];
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// Ensure that we can't initialise on the same table twice
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if ( settings._colReorder ) {
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return settings._colReorder;
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}
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// Allow the options to be a boolean for defaults
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if ( opts === true ) {
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opts = {};
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}
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// Convert from camelCase to Hungarian, just as DataTables does
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var camelToHungarian = $.fn.dataTable.camelToHungarian;
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if ( camelToHungarian ) {
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camelToHungarian( ColReorder.defaults, ColReorder.defaults, true );
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camelToHungarian( ColReorder.defaults, opts || {} );
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}
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Public class variables
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**
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* @namespace Settings object which contains customisable information for ColReorder instance
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*/
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this.s = {
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/**
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* DataTables settings object
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* @property dt
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* @type Object
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* @default null
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*/
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"dt": null,
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/**
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* Enable flag
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* @property dt
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* @type Object
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* @default null
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*/
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"enable": null,
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/**
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* Initialisation object used for this instance
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* @property init
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* @type object
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* @default {}
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*/
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"init": $.extend( true, {}, ColReorder.defaults, opts ),
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/**
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* Number of columns to fix (not allow to be reordered)
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* @property fixed
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* @type int
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* @default 0
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*/
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"fixed": 0,
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/**
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* Number of columns to fix counting from right (not allow to be reordered)
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* @property fixedRight
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* @type int
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* @default 0
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*/
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"fixedRight": 0,
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/**
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* Callback function for once the reorder has been done
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* @property reorderCallback
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* @type function
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* @default null
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*/
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"reorderCallback": null,
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/**
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* @namespace Information used for the mouse drag
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*/
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"mouse": {
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"startX": -1,
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"startY": -1,
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"offsetX": -1,
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"offsetY": -1,
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"target": -1,
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"targetIndex": -1,
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"fromIndex": -1
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},
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/**
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* Information which is used for positioning the insert cusor and knowing where to do the
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* insert. Array of objects with the properties:
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* x: x-axis position
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* to: insert point
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* @property aoTargets
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* @type array
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* @default []
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*/
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"aoTargets": []
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};
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/**
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* @namespace Common and useful DOM elements for the class instance
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*/
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this.dom = {
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/**
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* Dragging element (the one the mouse is moving)
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* @property drag
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* @type element
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* @default null
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*/
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"drag": null,
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/**
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* The insert cursor
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* @property pointer
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* @type element
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* @default null
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*/
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"pointer": null
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};
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/* Constructor logic */
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this.s.enable = this.s.init.bEnable;
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this.s.dt = settings;
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this.s.dt._colReorder = this;
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this._fnConstruct();
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return this;
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};
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$.extend( ColReorder.prototype, {
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Public methods
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**
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* Enable / disable end user interaction
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*/
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fnEnable: function ( flag )
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{
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if ( flag === false ) {
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return fnDisable();
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}
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this.s.enable = true;
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},
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/**
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* Disable end user interaction
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*/
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fnDisable: function ()
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{
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this.s.enable = false;
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},
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/**
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* Reset the column ordering to the original ordering that was detected on
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* start up.
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* @return {this} Returns `this` for chaining.
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*
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* @example
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* // DataTables initialisation with ColReorder
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* var table = $('#example').dataTable( {
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* "sDom": 'Rlfrtip'
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* } );
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*
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* // Add click event to a button to reset the ordering
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* $('#resetOrdering').click( function (e) {
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* e.preventDefault();
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* $.fn.dataTable.ColReorder( table ).fnReset();
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* } );
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*/
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"fnReset": function ()
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{
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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 ! $.isArray( idx ) ?
|
|
$.inArray( idx, order ) :
|
|
$.map( idx, function ( index ) {
|
|
return $.inArray( index, order );
|
|
} );
|
|
}
|
|
else {
|
|
// Given a current index, want the original
|
|
return ! $.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" );
|
|
|
|
/* 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 )
|
|
{
|
|
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 ) {
|
|
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 bSet = false;
|
|
var lastToIndex = this.s.mouse.toIndex;
|
|
|
|
for ( var i=1, iLen=this.s.aoTargets.length ; i<iLen ; i++ )
|
|
{
|
|
if ( this._fnCursorPosition(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;
|
|
|
|
// 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;
|
|
|
|
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;
|
|
var total = this.s.aoTargets[0].x;
|
|
|
|
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 increment the counter for
|
|
* other columns
|
|
*/
|
|
if ( i != this.s.mouse.fromIndex )
|
|
{
|
|
iToPoint++;
|
|
}
|
|
|
|
if ( aoColumns[i].bVisible && aoColumns[i].nTh.style.display !=='none' )
|
|
{
|
|
total += $(aoColumns[i].nTh).outerWidth();
|
|
|
|
this.s.aoTargets.push( {
|
|
"x": total,
|
|
"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' );
|
|
},
|
|
|
|
|
|
/**
|
|
* 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 ];
|
|
}
|
|
} );
|
|
|
|
|
|
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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 = "1.5.0";
|
|
|
|
|
|
|
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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 );
|
|
}
|
|
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;
|
|
}));
|