X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/0494b8d9b9bb03ab6c22b34dae81261e3cd7e3e6..7a654f8d43fdb43d78b63d90528bed6e86b608cc:/examples/docs/source/RowExpander.html?ds=sidebyside
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-
-
-
- The source code
-
-
-
-
- /*!
- * Ext JS Library 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-Ext.ns('Ext.ux.grid');
-
-/**
- * @class Ext.ux.grid.RowExpander
- * @extends Ext.util.Observable
- * Plugin (ptype = 'rowexpander') that adds the ability to have a Column in a grid which enables
- * a second row body which expands/contracts. The expand/contract behavior is configurable to react
- * on clicking of the column, double click of the row, and/or hitting enter while a row is selected.
- *
- * @ptype rowexpander
- */
-Ext.ux.grid.RowExpander = Ext.extend(Ext.util.Observable, {
- /**
- * @cfg {Boolean} expandOnEnter
- * true to toggle selected row(s) between expanded/collapsed when the enter
- * key is pressed (defaults to true).
- */
- expandOnEnter : true,
- /**
- * @cfg {Boolean} expandOnDblClick
- * true to toggle a row between expanded/collapsed when double clicked
- * (defaults to true).
- */
- expandOnDblClick : true,
-
- header : '',
- width : 20,
- sortable : false,
- fixed : true,
- hideable: false,
- menuDisabled : true,
- dataIndex : '',
- id : 'expander',
- lazyRender : true,
- enableCaching : true,
-
- constructor: function(config){
- Ext.apply(this, config);
-
- this.addEvents({
- /**
- * @event beforeexpand
- * Fires before the row expands. Have the listener return false to prevent the row from expanding.
- * @param {Object} this RowExpander object.
- * @param {Object} Ext.data.Record Record for the selected row.
- * @param {Object} body body element for the secondary row.
- * @param {Number} rowIndex The current row index.
- */
- beforeexpand: true,
- /**
- * @event expand
- * Fires after the row expands.
- * @param {Object} this RowExpander object.
- * @param {Object} Ext.data.Record Record for the selected row.
- * @param {Object} body body element for the secondary row.
- * @param {Number} rowIndex The current row index.
- */
- expand: true,
- /**
- * @event beforecollapse
- * Fires before the row collapses. Have the listener return false to prevent the row from collapsing.
- * @param {Object} this RowExpander object.
- * @param {Object} Ext.data.Record Record for the selected row.
- * @param {Object} body body element for the secondary row.
- * @param {Number} rowIndex The current row index.
- */
- beforecollapse: true,
- /**
- * @event collapse
- * Fires after the row collapses.
- * @param {Object} this RowExpander object.
- * @param {Object} Ext.data.Record Record for the selected row.
- * @param {Object} body body element for the secondary row.
- * @param {Number} rowIndex The current row index.
- */
- collapse: true
- });
-
- Ext.ux.grid.RowExpander.superclass.constructor.call(this);
-
- if(this.tpl){
- if(typeof this.tpl == 'string'){
- this.tpl = new Ext.Template(this.tpl);
- }
- this.tpl.compile();
- }
-
- this.state = {};
- this.bodyContent = {};
- },
-
- getRowClass : function(record, rowIndex, p, ds){
- p.cols = p.cols-1;
- var content = this.bodyContent[record.id];
- if(!content && !this.lazyRender){
- content = this.getBodyContent(record, rowIndex);
- }
- if(content){
- p.body = content;
- }
- return this.state[record.id] ? 'x-grid3-row-expanded' : 'x-grid3-row-collapsed';
- },
-
- init : function(grid){
- this.grid = grid;
-
- var view = grid.getView();
- view.getRowClass = this.getRowClass.createDelegate(this);
-
- view.enableRowBody = true;
-
-
- grid.on('render', this.onRender, this);
- grid.on('destroy', this.onDestroy, this);
- },
-
- // @private
- onRender: function() {
- var grid = this.grid;
- var mainBody = grid.getView().mainBody;
- mainBody.on('mousedown', this.onMouseDown, this, {delegate: '.x-grid3-row-expander'});
- if (this.expandOnEnter) {
- this.keyNav = new Ext.KeyNav(this.grid.getGridEl(), {
- 'enter' : this.onEnter,
- scope: this
- });
- }
- if (this.expandOnDblClick) {
- grid.on('rowdblclick', this.onRowDblClick, this);
- }
- },
-
- // @private
- onDestroy: function() {
- if(this.keyNav){
- this.keyNav.disable();
- delete this.keyNav;
- }
- /*
- * A majority of the time, the plugin will be destroyed along with the grid,
- * which means the mainBody won't be available. On the off chance that the plugin
- * isn't destroyed with the grid, take care of removing the listener.
- */
- var mainBody = this.grid.getView().mainBody;
- if(mainBody){
- mainBody.un('mousedown', this.onMouseDown, this);
- }
- },
- // @private
- onRowDblClick: function(grid, rowIdx, e) {
- this.toggleRow(rowIdx);
- },
-
- onEnter: function(e) {
- var g = this.grid;
- var sm = g.getSelectionModel();
- var sels = sm.getSelections();
- for (var i = 0, len = sels.length; i < len; i++) {
- var rowIdx = g.getStore().indexOf(sels[i]);
- this.toggleRow(rowIdx);
- }
- },
-
- getBodyContent : function(record, index){
- if(!this.enableCaching){
- return this.tpl.apply(record.data);
- }
- var content = this.bodyContent[record.id];
- if(!content){
- content = this.tpl.apply(record.data);
- this.bodyContent[record.id] = content;
- }
- return content;
- },
-
- onMouseDown : function(e, t){
- e.stopEvent();
- var row = e.getTarget('.x-grid3-row');
- this.toggleRow(row);
- },
-
- renderer : function(v, p, record){
- p.cellAttr = 'rowspan="2"';
- return '
';
- },
-
- beforeExpand : function(record, body, rowIndex){
- if(this.fireEvent('beforeexpand', this, record, body, rowIndex) !== false){
- if(this.tpl && this.lazyRender){
- body.innerHTML = this.getBodyContent(record, rowIndex);
- }
- return true;
- }else{
- return false;
- }
- },
-
- toggleRow : function(row){
- if(typeof row == 'number'){
- row = this.grid.view.getRow(row);
- }
- this[Ext.fly(row).hasClass('x-grid3-row-collapsed') ? 'expandRow' : 'collapseRow'](row);
- },
-
- expandRow : function(row){
- if(typeof row == 'number'){
- row = this.grid.view.getRow(row);
- }
- var record = this.grid.store.getAt(row.rowIndex);
- var body = Ext.DomQuery.selectNode('tr:nth(2) div.x-grid3-row-body', row);
- if(this.beforeExpand(record, body, row.rowIndex)){
- this.state[record.id] = true;
- Ext.fly(row).replaceClass('x-grid3-row-collapsed', 'x-grid3-row-expanded');
- this.fireEvent('expand', this, record, body, row.rowIndex);
- }
- },
-
- collapseRow : function(row){
- if(typeof row == 'number'){
- row = this.grid.view.getRow(row);
- }
- var record = this.grid.store.getAt(row.rowIndex);
- var body = Ext.fly(row).child('tr:nth(1) div.x-grid3-row-body', true);
- if(this.fireEvent('beforecollapse', this, record, body, row.rowIndex) !== false){
- this.state[record.id] = false;
- Ext.fly(row).replaceClass('x-grid3-row-expanded', 'x-grid3-row-collapsed');
- this.fireEvent('collapse', this, record, body, row.rowIndex);
- }
- }
-});
-
-Ext.preg('rowexpander', Ext.ux.grid.RowExpander);
-
-//backwards compat
-Ext.grid.RowExpander = Ext.ux.grid.RowExpander;
-
-
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