X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/d41dc04ad17d1d9125fb2cf72db2b4782dbe3a8c..HEAD:/examples/grid/binding-with-classes.js diff --git a/examples/grid/binding-with-classes.js b/examples/grid/binding-with-classes.js index 37f11d2b..aeddfa90 100644 --- a/examples/grid/binding-with-classes.js +++ b/examples/grid/binding-with-classes.js @@ -1,221 +1,247 @@ -/* - * Ext JS Library 2.2.1 - * Copyright(c) 2006-2009, Ext JS, LLC. - * licensing@extjs.com - * - * http://extjs.com/license - */ - -// setup an App namespace -// This is done to prevent collisions in the global namespace -Ext.ns('App'); - -/** - * App.BookStore - * @extends Ext.data.Store - * @cfg {String} url This will be a url of a location to load the BookStore - * This is a specialized Store which maintains books. - * It already knows about Amazon's XML definition and will expose the following - * Record defintion: - * - Author - * - Manufacturer - * - ProductGroup - * - DetailPageURL - */ -App.BookStore = function(config) { - var config = config || {}; - Ext.applyIf(config, { - reader: new Ext.data.XmlReader({ - // records will have an "Item" tag - record: 'Item', - id: 'ASIN', - totalRecords: '@total' - }, [ - // set up the fields mapping into the xml doc - // The first needs mapping, the others are very basic - {name: 'Author', mapping: 'ItemAttributes > Author'}, - 'Title', - 'Manufacturer', - 'ProductGroup', - // Detail URL is not part of the column model of the grid - 'DetailPageURL' - ]) - }); - // call the superclass's constructor - App.BookStore.superclass.constructor.call(this, config); -}; -Ext.extend(App.BookStore, Ext.data.Store); - - - -/** - * App.BookGrid - * @extends Ext.grid.GridPanel - * This is a custom grid which will display book information. It is tied to - * a specific record definition by the dataIndex properties. - * - * It follows a very custom pattern used only when extending Ext.Components - * in which you can omit the constructor. - * - * It also registers the class with the Component Manager with an xtype of - * bookgrid. This allows the application to take care of the lazy-instatiation - * facilities provided in Ext 2.0's Component Model. - */ -App.BookGrid = Ext.extend(Ext.grid.GridPanel, { - // override - initComponent : function() { - Ext.apply(this, { - // Pass in a column model definition - // Note that the DetailPageURL was defined in the record definition but is not used - // here. That is okay. - columns: [ - {header: "Author", width: 120, dataIndex: 'Author', sortable: true}, - {header: "Title", dataIndex: 'Title', sortable: true}, - {header: "Manufacturer", width: 115, dataIndex: 'Manufacturer', sortable: true}, - {header: "Product Group", dataIndex: 'ProductGroup', sortable: true} - ], - sm: new Ext.grid.RowSelectionModel({singleSelect: true}), - // Note the use of a storeId, this will register thisStore - // with the StoreMgr and allow us to retrieve it very easily. - store: new App.BookStore({ - storeId: 'gridBookStore', - url: 'sheldon.xml' - }), - // force the grid to fit the space which is available - viewConfig: { - forceFit: true - } - }); - // finally call the superclasses implementation - App.BookGrid.superclass.initComponent.call(this); - } -}); -// This will associate an string representation of a class -// (called an xtype) with the Component Manager -// It allows you to support lazy instantiation of your components -Ext.reg('bookgrid', App.BookGrid); - - -/** - * App.BookDetail - * @extends Ext.Panel - * This is a specialized Panel which is used to show information about - * a book. - * - * This demonstrates adding 2 custom properties (tplMarkup and - * startingMarkup) to the class. It also overrides the initComponent - * method and adds a new method called updateDetail. - * - * The class will be registered with an xtype of 'bookdetail' - */ -App.BookDetail = Ext.extend(Ext.Panel, { - // add tplMarkup as a new property - tplMarkup: [ - 'Title: {Title}
', - 'Author: {Author}
', - 'Manufacturer: {Manufacturer}
', - 'Product Group: {ProductGroup}
' - ], - // startingMarup as a new property - startingMarkup: 'Please select a book to see additional details', - // override initComponent to create and compile the template - // apply styles to the body of the panel and initialize - // html to startingMarkup - initComponent: function() { - this.tpl = new Ext.Template(this.tplMarkup); - Ext.apply(this, { - bodyStyle: { - background: '#ffffff', - padding: '7px' - }, - html: this.startingMarkup - }); - // call the superclass's initComponent implementation - App.BookDetail.superclass.initComponent.call(this); - }, - // add a method which updates the details - updateDetail: function(data) { - this.tpl.overwrite(this.body, data); - } -}); -// register the App.BookDetail class with an xtype of bookdetail -Ext.reg('bookdetail', App.BookDetail); - - -/** - * App.BookMasterDetail - * @extends Ext.Panel - * - * This is a specialized panel which is composed of both a bookgrid - * and a bookdetail panel. It provides the glue between the two - * components to allow them to communicate. You could consider this - * the actual application. - * - */ -App.BookMasterDetail = Ext.extend(Ext.Panel, { - // override initComponent - initComponent: function() { - // used applyIf rather than apply so user could - // override the defaults - Ext.applyIf(this, { - frame: true, - title: 'Book List', - width: 540, - height: 400, - layout: 'border', - items: [{ - xtype: 'bookgrid', - itemId: 'gridPanel', - region: 'north', - height: 210, - split: true - },{ - xtype: 'bookdetail', - itemId: 'detailPanel', - region: 'center' - }] - }) - // call the superclass's initComponent implementation - App.BookMasterDetail.superclass.initComponent.call(this); - }, - // override initEvents - initEvents: function() { - // call the superclass's initEvents implementation - App.BookMasterDetail.superclass.initEvents.call(this); - - // now add application specific events - // notice we use the selectionmodel's rowselect event rather - // than a click event from the grid to provide key navigation - // as well as mouse navigation - var bookGridSm = this.getComponent('gridPanel').getSelectionModel(); - bookGridSm.on('rowselect', this.onRowSelect, this); - }, - // add a method called onRowSelect - // This matches the method signature as defined by the 'rowselect' - // event defined in Ext.grid.RowSelectionModel - onRowSelect: function(sm, rowIdx, r) { - // getComponent will retrieve itemId's or id's. Note that itemId's - // are scoped locally to this instance of a component to avoid - // conflicts with the ComponentMgr - var detailPanel = this.getComponent('detailPanel'); - detailPanel.updateDetail(r.data); - } -}); -// register an xtype with this class -Ext.reg('bookmasterdetail', App.BookMasterDetail); - - -// Finally now that we've defined all of our classes we can instantiate -// an instance of the app and renderTo an existing div called 'binding-example' -// Note now that classes have encapsulated this behavior we can easily create -// an instance of this app to be used in many different contexts, you could -// easily place this application in an Ext.Window for example -Ext.onReady(function() { - // create an instance of the app - var bookApp = new App.BookMasterDetail({ - renderTo: 'binding-example' - }); - // We can retrieve a reference to the data store - // via the StoreMgr by its storeId - Ext.StoreMgr.get('gridBookStore').load(); -}); \ No newline at end of file +/* + +This file is part of Ext JS 4 + +Copyright (c) 2011 Sencha Inc + +Contact: http://www.sencha.com/contact + +GNU General Public License Usage +This file may be used under the terms of the GNU General Public License version 3.0 as published by the Free Software Foundation and appearing in the file LICENSE included in the packaging of this file. Please review the following information to ensure the GNU General Public License version 3.0 requirements will be met: http://www.gnu.org/copyleft/gpl.html. + +If you are unsure which license is appropriate for your use, please contact the sales department at http://www.sencha.com/contact. + +*/ +Ext.require([ + 'Ext.grid.*', + 'Ext.data.*', + 'Ext.panel.*', + 'Ext.layout.container.Border' +]); +Ext.Loader.onReady(function() { + Ext.define('Book',{ + extend: 'Ext.data.Model', + fields: [ + // set up the fields mapping into the xml doc + // The first needs mapping, the others are very basic + {name: 'Author', mapping: 'ItemAttributes > Author'}, + 'Title', + 'Manufacturer', + 'ProductGroup', + 'DetailPageURL' + ] + }); + + + /** + * App.BookStore + * @extends Ext.data.Store + * @cfg {String} url This will be a url of a location to load the BookStore + * This is a specialized Store which maintains books. + * It already knows about Amazon's XML definition and will expose the following + * Record defintion: + * - Author + * - Manufacturer + * - ProductGroup + * - DetailPageURL + */ + Ext.define('App.BookStore', { + extend: 'Ext.data.Store', + constructor: function(config) { + config = config || {}; + + config.model = 'Book'; + config.proxy = { + type: 'ajax', + url: 'sheldon.xml', + reader: Ext.create('Ext.data.reader.Xml', { + // records will have an "Item" tag + record: 'Item', + id: 'ASIN', + totalRecords: '@total' + }) + }; + + // call the superclass's constructor + this.callParent([config]); + } + }); + + + /** + * App.BookGrid + * @extends Ext.grid.Panel + * This is a custom grid which will display book information. It is tied to + * a specific record definition by the dataIndex properties. + * + * It follows a very custom pattern used only when extending Ext.Components + * in which you can omit the constructor. + * + * It also registers the class with the Component Manager with an xtype of + * bookgrid. This allows the application to take care of the lazy-instatiation + * facilities provided in Ext's Component Model. + */ + Ext.define('App.BookGrid', { + extend: 'Ext.grid.Panel', + // This will associate an string representation of a class + // (called an xtype) with the Component Manager + // It allows you to support lazy instantiation of your components + alias: 'widget.bookgrid', + + // override + initComponent : function() { + // Pass in a column model definition + // Note that the DetailPageURL was defined in the record definition but is not used + // here. That is okay. + this.columns = [ + {text: "Author", width: 120, dataIndex: 'Author', sortable: true}, + {text: "Title", flex: 1, dataIndex: 'Title', sortable: true}, + {text: "Manufacturer", width: 115, dataIndex: 'Manufacturer', sortable: true}, + {text: "Product Group", width: 100, dataIndex: 'ProductGroup', sortable: true} + ]; + // Note the use of a storeId, this will register thisStore + // with the StoreManager and allow us to retrieve it very easily. + this.store = new App.BookStore({ + storeId: 'gridBookStore', + url: 'sheldon.xml' + }); + // finally call the superclasses implementation + this.callParent(); + } + }); + + + /** + * App.BookDetail + * @extends Ext.Panel + * This is a specialized Panel which is used to show information about + * a book. + * + * This demonstrates adding 2 custom properties (tplMarkup and + * startingMarkup) to the class. It also overrides the initComponent + * method and adds a new method called updateDetail. + * + * The class will be registered with an xtype of 'bookdetail' + */ + Ext.define('App.BookDetail', { + extend: 'Ext.Panel', + // register the App.BookDetail class with an xtype of bookdetail + alias: 'widget.bookdetail', + // add tplMarkup as a new property + tplMarkup: [ + 'Title: {Title}
', + 'Author: {Author}
', + 'Manufacturer: {Manufacturer}
', + 'Product Group: {ProductGroup}
' + ], + // startingMarup as a new property + startingMarkup: 'Please select a book to see additional details', + + bodyPadding: 7, + // override initComponent to create and compile the template + // apply styles to the body of the panel and initialize + // html to startingMarkup + initComponent: function() { + this.tpl = Ext.create('Ext.Template', this.tplMarkup); + this.html = this.startingMarkup; + + this.bodyStyle = { + background: '#ffffff' + }; + // call the superclass's initComponent implementation + this.callParent(); + }, + // add a method which updates the details + updateDetail: function(data) { + this.tpl.overwrite(this.body, data); + } + }); + + + /** + * App.BookMasterDetail + * @extends Ext.Panel + * + * This is a specialized panel which is composed of both a bookgrid + * and a bookdetail panel. It provides the glue between the two + * components to allow them to communicate. You could consider this + * the actual application. + * + */ + Ext.define('App.BookMasterDetail', { + extend: 'Ext.Panel', + alias: 'widget.bookmasterdetail', + + frame: true, + title: 'Book List', + width: 540, + height: 400, + layout: 'border', + + // override initComponent + initComponent: function() { + this.items = [{ + xtype: 'bookgrid', + itemId: 'gridPanel', + region: 'north', + height: 210, + split: true + },{ + xtype: 'bookdetail', + itemId: 'detailPanel', + region: 'center' + }]; + // call the superclass's initComponent implementation + this.callParent(); + }, + // override initEvents + initEvents: function() { + // call the superclass's initEvents implementation + this.callParent(); + + // now add application specific events + // notice we use the selectionmodel's rowselect event rather + // than a click event from the grid to provide key navigation + // as well as mouse navigation + var bookGridSm = this.getComponent('gridPanel').getSelectionModel(); + ('selectionchange', function(sm, rs) { + if (rs.length) { + var detailPanel = Ext.getCmp('detailPanel'); + bookTpl.overwrite(detailPanel.body, rs[0].data); + } + }) + bookGridSm.on('selectionchange', this.onRowSelect, this); + }, + // add a method called onRowSelect + // This matches the method signature as defined by the 'rowselect' + // event defined in Ext.selection.RowModel + onRowSelect: function(sm, rs) { + // getComponent will retrieve itemId's or id's. Note that itemId's + // are scoped locally to this instance of a component to avoid + // conflicts with the ComponentManager + if (rs.length) { + var detailPanel = this.getComponent('detailPanel'); + detailPanel.updateDetail(rs[0].data); + } + + } + }); +// do NOT wait until the DOM is ready to run this +}, false); + + +// Finally now that we've defined all of our classes we can instantiate +// an instance of the app and renderTo an existing div called 'binding-example' +// Note now that classes have encapsulated this behavior we can easily create +// an instance of this app to be used in many different contexts, you could +// easily place this application in an Ext.Window for example +Ext.onReady(function() { + // create an instance of the app + var bookApp = new App.BookMasterDetail({ + renderTo: 'binding-example' + }); + // We can retrieve a reference to the data store + // via the StoreManager by its storeId + Ext.data.StoreManager.get('gridBookStore').load(); +}); +