487 lines
10 KiB
JavaScript
487 lines
10 KiB
JavaScript
/*! RowGroup 1.1.3
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* ©2017-2021 SpryMedia Ltd - datatables.net/license
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*/
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/**
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* @summary RowGroup
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* @description RowGrouping for DataTables
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* @version 1.1.3
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* @file dataTables.rowGroup.js
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* @author SpryMedia Ltd (www.sprymedia.co.uk)
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* @contact datatables.net
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* @copyright Copyright 2017-2021 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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var RowGroup = function ( dt, opts ) {
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// Sanity check that we are using DataTables 1.10 or newer
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if ( ! DataTable.versionCheck || ! DataTable.versionCheck( '1.10.8' ) ) {
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throw 'RowGroup requires DataTables 1.10.8 or newer';
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}
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// User and defaults configuration object
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this.c = $.extend( true, {},
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DataTable.defaults.rowGroup,
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RowGroup.defaults,
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opts
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);
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// Internal settings
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this.s = {
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dt: new DataTable.Api( dt )
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};
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// DOM items
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this.dom = {
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};
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// Check if row grouping has already been initialised on this table
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var settings = this.s.dt.settings()[0];
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var existing = settings.rowGroup;
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if ( existing ) {
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return existing;
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}
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settings.rowGroup = this;
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this._constructor();
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};
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$.extend( RowGroup.prototype, {
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* API methods for DataTables API interface
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*/
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/**
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* Get/set the grouping data source - need to call draw after this is
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* executed as a setter
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* @returns string~RowGroup
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*/
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dataSrc: function ( val )
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{
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if ( val === undefined ) {
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return this.c.dataSrc;
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}
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var dt = this.s.dt;
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this.c.dataSrc = val;
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$(dt.table().node()).triggerHandler( 'rowgroup-datasrc.dt', [ dt, val ] );
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return this;
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},
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/**
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* Disable - need to call draw after this is executed
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* @returns RowGroup
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*/
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disable: function ()
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{
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this.c.enable = false;
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return this;
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},
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/**
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* Enable - need to call draw after this is executed
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* @returns RowGroup
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*/
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enable: function ( flag )
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{
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if ( flag === false ) {
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return this.disable();
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}
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this.c.enable = true;
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return this;
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},
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/**
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* Get enabled flag
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* @returns boolean
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*/
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enabled: function ()
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{
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return this.c.enable;
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},
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Constructor
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*/
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_constructor: function ()
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{
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var that = this;
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var dt = this.s.dt;
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var hostSettings = dt.settings()[0];
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dt.on( 'draw.dtrg', function (e, s) {
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if ( that.c.enable && hostSettings === s ) {
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that._draw();
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}
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} );
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dt.on( 'column-visibility.dt.dtrg responsive-resize.dt.dtrg', function () {
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that._adjustColspan();
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} );
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dt.on( 'destroy', function () {
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dt.off( '.dtrg' );
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} );
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},
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Private methods
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*/
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/**
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* Adjust column span when column visibility changes
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* @private
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*/
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_adjustColspan: function ()
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{
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$( 'tr.'+this.c.className, this.s.dt.table().body() ).find('td:visible')
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.attr( 'colspan', this._colspan() );
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},
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/**
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* Get the number of columns that a grouping row should span
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* @private
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*/
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_colspan: function ()
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{
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return this.s.dt.columns().visible().reduce( function (a, b) {
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return a + b;
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}, 0 );
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},
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/**
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* Update function that is called whenever we need to draw the grouping rows.
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* This is basically a bootstrap for the self iterative _group and _groupDisplay
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* methods
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* @private
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*/
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_draw: function ()
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{
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var dt = this.s.dt;
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var groupedRows = this._group( 0, dt.rows( { page: 'current' } ).indexes() );
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this._groupDisplay( 0, groupedRows );
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},
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/**
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* Get the grouping information from a data set (index) of rows
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* @param {number} level Nesting level
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* @param {DataTables.Api} rows API of the rows to consider for this group
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* @returns {object[]} Nested grouping information - it is structured like this:
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* {
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* dataPoint: 'Edinburgh',
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* rows: [ 1,2,3,4,5,6,7 ],
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* children: [ {
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* dataPoint: 'developer'
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* rows: [ 1, 2, 3 ]
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* },
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* {
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* dataPoint: 'support',
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* rows: [ 4, 5, 6, 7 ]
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* } ]
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* }
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* @private
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*/
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_group: function ( level, rows ) {
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var fns = Array.isArray( this.c.dataSrc ) ? this.c.dataSrc : [ this.c.dataSrc ];
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var fn = DataTable.ext.oApi._fnGetObjectDataFn( fns[ level ] );
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var dt = this.s.dt;
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var group, last;
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var data = [];
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var that = this;
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for ( var i=0, ien=rows.length ; i<ien ; i++ ) {
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var rowIndex = rows[i];
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var rowData = dt.row( rowIndex ).data();
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var group = fn( rowData );
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if ( group === null || group === undefined ) {
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group = that.c.emptyDataGroup;
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}
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if ( last === undefined || group !== last ) {
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data.push( {
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dataPoint: group,
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rows: []
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} );
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last = group;
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}
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data[ data.length-1 ].rows.push( rowIndex );
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}
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if ( fns[ level+1 ] !== undefined ) {
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for ( var i=0, ien=data.length ; i<ien ; i++ ) {
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data[i].children = this._group( level+1, data[i].rows );
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}
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}
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return data;
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},
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/**
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* Row group display - insert the rows into the document
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* @param {number} level Nesting level
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* @param {object[]} groups Takes the nested array from `_group`
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* @private
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*/
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_groupDisplay: function ( level, groups )
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{
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var dt = this.s.dt;
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var display;
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for ( var i=0, ien=groups.length ; i<ien ; i++ ) {
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var group = groups[i];
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var groupName = group.dataPoint;
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var row;
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var rows = group.rows;
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if ( this.c.startRender ) {
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display = this.c.startRender.call( this, dt.rows(rows), groupName, level );
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row = this._rowWrap( display, this.c.startClassName, level );
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if ( row ) {
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row.insertBefore( dt.row( rows[0] ).node() );
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}
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}
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if ( this.c.endRender ) {
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display = this.c.endRender.call( this, dt.rows(rows), groupName, level );
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row = this._rowWrap( display, this.c.endClassName, level );
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if ( row ) {
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row.insertAfter( dt.row( rows[ rows.length-1 ] ).node() );
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}
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}
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if ( group.children ) {
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this._groupDisplay( level+1, group.children );
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}
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}
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},
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/**
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* Take a rendered value from an end user and make it suitable for display
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* as a row, by wrapping it in a row, or detecting that it is a row.
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* @param {node|jQuery|string} display Display value
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* @param {string} className Class to add to the row
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* @param {array} group
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* @param {number} group level
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* @private
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*/
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_rowWrap: function ( display, className, level )
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{
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var row;
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if ( display === null || display === '' ) {
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display = this.c.emptyDataGroup;
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}
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if ( display === undefined || display === null ) {
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return null;
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}
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if ( typeof display === 'object' && display.nodeName && display.nodeName.toLowerCase() === 'tr') {
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row = $(display);
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}
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else if (display instanceof $ && display.length && display[0].nodeName.toLowerCase() === 'tr') {
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row = display;
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}
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else {
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row = $('<tr/>')
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.append(
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$('<td/>')
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.attr( 'colspan', this._colspan() )
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.append( display )
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);
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}
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return row
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.addClass( this.c.className )
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.addClass( className )
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.addClass( 'dtrg-level-'+level );
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}
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} );
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/**
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* RowGroup default settings for initialisation
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*
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* @namespace
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* @name RowGroup.defaults
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* @static
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*/
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RowGroup.defaults = {
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/**
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* Class to apply to grouping rows - applied to both the start and
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* end grouping rows.
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* @type string
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*/
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className: 'dtrg-group',
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/**
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* Data property from which to read the grouping information
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* @type string|integer|array
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*/
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dataSrc: 0,
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/**
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* Text to show if no data is found for a group
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* @type string
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*/
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emptyDataGroup: 'No group',
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/**
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* Initial enablement state
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* @boolean
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*/
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enable: true,
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/**
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* Class name to give to the end grouping row
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* @type string
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*/
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endClassName: 'dtrg-end',
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/**
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* End grouping label function
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* @function
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*/
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endRender: null,
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/**
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* Class name to give to the start grouping row
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* @type string
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*/
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startClassName: 'dtrg-start',
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/**
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* Start grouping label function
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* @function
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*/
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startRender: function ( rows, group ) {
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return group;
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}
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};
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RowGroup.version = "1.1.3";
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$.fn.dataTable.RowGroup = RowGroup;
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$.fn.DataTable.RowGroup = RowGroup;
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DataTable.Api.register( 'rowGroup()', function () {
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return this;
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} );
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DataTable.Api.register( 'rowGroup().disable()', function () {
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return this.iterator( 'table', function (ctx) {
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if ( ctx.rowGroup ) {
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ctx.rowGroup.enable( false );
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}
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} );
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} );
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DataTable.Api.register( 'rowGroup().enable()', function ( opts ) {
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return this.iterator( 'table', function (ctx) {
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if ( ctx.rowGroup ) {
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ctx.rowGroup.enable( opts === undefined ? true : opts );
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}
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} );
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} );
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DataTable.Api.register( 'rowGroup().enabled()', function () {
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var ctx = this.context;
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return ctx.length && ctx[0].rowGroup ?
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ctx[0].rowGroup.enabled() :
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false;
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} );
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DataTable.Api.register( 'rowGroup().dataSrc()', function ( val ) {
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if ( val === undefined ) {
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return this.context[0].rowGroup.dataSrc();
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}
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return this.iterator( 'table', function (ctx) {
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if ( ctx.rowGroup ) {
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ctx.rowGroup.dataSrc( val );
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}
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} );
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} );
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// Attach a listener to the document which listens for DataTables initialisation
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// events so we can automatically initialise
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$(document).on( 'preInit.dt.dtrg', function (e, settings, json) {
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if ( e.namespace !== 'dt' ) {
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return;
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}
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var init = settings.oInit.rowGroup;
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var defaults = DataTable.defaults.rowGroup;
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if ( init || defaults ) {
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var opts = $.extend( {}, defaults, init );
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if ( init !== false ) {
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new RowGroup( settings, opts );
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}
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}
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} );
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return RowGroup;
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}));
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