writer.js
资源名称:ext-3.1.0.zip [点击查看]
上传用户:dawnssy
上传日期:2022-08-06
资源大小:9345k
文件大小:4k
源码类别:
JavaScript
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.1.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- // Application instance for showing user-feedback messages.
- var App = new Ext.App({});
- // Create HttpProxy instance. Notice new configuration parameter "api" here instead of load. However, you can still use
- // the "url" paramater -- All CRUD requests will be directed to your single url instead.
- var proxy = new Ext.data.HttpProxy({
- api: {
- read : 'app.php/users/view',
- create : 'app.php/users/create',
- update: 'app.php/users/update',
- destroy: 'app.php/users/destroy'
- }
- });
- // Typical JsonReader. Notice additional meta-data params for defining the core attributes of your json-response
- var reader = new Ext.data.JsonReader({
- totalProperty: 'total',
- successProperty: 'success',
- idProperty: 'id',
- root: 'data',
- messageProperty: 'message' // <-- New "messageProperty" meta-data
- }, [
- {name: 'id'},
- {name: 'email', allowBlank: false},
- {name: 'first', allowBlank: false},
- {name: 'last', allowBlank: false}
- ]);
- // The new DataWriter component.
- var writer = new Ext.data.JsonWriter({
- encode: true,
- writeAllFields: false
- });
- // Typical Store collecting the Proxy, Reader and Writer together.
- var store = new Ext.data.Store({
- id: 'user',
- proxy: proxy,
- reader: reader,
- writer: writer, // <-- plug a DataWriter into the store just as you would a Reader
- autoSave: true // <-- false would delay executing create, update, destroy requests until specifically told to do so with some [save] buton.
- });
- // load the store immeditately
- store.load();
- ////
- // ***New*** centralized listening of DataProxy events "beforewrite", "write" and "writeexception"
- // upon Ext.data.DataProxy class. This is handy for centralizing user-feedback messaging into one place rather than
- // attaching listenrs to EACH Store.
- //
- // Listen to all DataProxy beforewrite events
- //
- Ext.data.DataProxy.addListener('beforewrite', function(proxy, action) {
- App.setAlert(App.STATUS_NOTICE, "Before " + action);
- });
- ////
- // all write events
- //
- Ext.data.DataProxy.addListener('write', function(proxy, action, result, res, rs) {
- App.setAlert(true, action + ':' + res.message);
- });
- ////
- // all exception events
- //
- Ext.data.DataProxy.addListener('exception', function(proxy, type, action, options, res) {
- if (type === 'remote') {
- Ext.Msg.show({
- title: 'REMOTE EXCEPTION',
- msg: res.message,
- icon: Ext.MessageBox.ERROR,
- buttons: Ext.Msg.OK
- });
- }
- });
- // A new generic text field
- var textField = new Ext.form.TextField();
- // Let's pretend we rendered our grid-columns with meta-data from our ORM framework.
- var userColumns = [
- {header: "ID", width: 40, sortable: true, dataIndex: 'id'},
- {header: "Email", width: 100, sortable: true, dataIndex: 'email', editor: textField},
- {header: "First", width: 50, sortable: true, dataIndex: 'first', editor: textField},
- {header: "Last", width: 50, sortable: true, dataIndex: 'last', editor: textField}
- ];
- Ext.onReady(function() {
- Ext.QuickTips.init();
- // create user.Form instance (@see UserForm.js)
- var userForm = new App.user.Form({
- renderTo: 'user-form',
- listeners: {
- create : function(fpanel, data) { // <-- custom "create" event defined in App.user.Form class
- var rec = new userGrid.store.recordType(data);
- userGrid.store.insert(0, rec);
- }
- }
- });
- // create user.Grid instance (@see UserGrid.js)
- var userGrid = new App.user.Grid({
- renderTo: 'user-grid',
- store: store,
- columns : userColumns,
- listeners: {
- rowclick: function(g, index, ev) {
- var rec = g.store.getAt(index);
- userForm.loadRecord(rec);
- },
- destroy : function() {
- userForm.getForm().reset();
- }
- }
- });
- });