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POExt js migration from 3 to 4 - ComboBox crashes application
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  1. POExt js migration from 3 to 4 - ComboBox crashes application
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    copied!<p>I am migrating Ext js from 3.x to the new 4.0.2a. Seems that everything in my project works fine except of comboboxes. It doesn't really matter where i use a combobox, but it keeps crashing my application on launch. </p> <p>the error im getting is: <strong>Uncaught RangeError: Maximum call stack size exceeded</strong></p> <p>Here is an example of my code (login page with combobox):</p> <p>index.html:</p> <pre><code>&lt;link rel="stylesheet" type="text/css" href="resources/css/ext-all.css" /&gt; &lt;script type="text/javascript" src="ext-all-debug.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="ext3-core-compat.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="ext3-compat.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="js/app.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="js/My.Viewport.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="js/My.LoginWindow.js"&gt;&lt;/script&gt; </code></pre> <p>app.js:</p> <pre><code>Ext.BLANK_IMAGE_URL = '/ext/resources/images/default/s.gif'; Ext.ns('My'); My.Base = function (){ Ext.QuickTips.init(); return { init: function () { var win = Ext.create('My.LoginWindow',{ title: 'Authorization', callback: function(){ new Dag.Viewport(); } }); win.show(); } } }(); Ext.onReady(My.Base.init, My.Base); </code></pre> <p>My.LoginWindow.js:</p> <pre><code>Ext.define('My.LoginWindow', { extend:'Ext.Window', //alias: 'widget.LoginWindow', This is not required. initComponent: function(){ Ext.define('test', { extend: 'Ext.data.Model', fields: ['abbr', 'name'] }); var states = Ext.create('Ext.data.Store', { model: 'test', data : [ {"abbr":"AL", "name":"Alabama"}, {"abbr":"AK", "name":"Alaska"}, {"abbr":"AZ", "name":"Arizona"} ] }); this.form = Ext.create('Ext.form.Panel',{ baseCls: 'x-plain', defaultType: 'textfield', defaults: { labelWidth: 55, allowBlank: false, anchor:'100%' }, items: [{ xtype: 'combobox', fieldLabel: 'Choose State', store: states, queryMode: 'local', displayField: 'name', valueField: 'abbr' },{ fieldLabel: 'Account', name: 'account' },{ fieldLabel: 'Login', name: 'login' },{ fieldLabel: 'Password', name: 'password', inputType: 'password', listeners: { 'specialkey': function(field, e){ if (e.getKey() == 13){ this.submitForm(); } }, scope: this } }] }); Ext.apply(this, { modal: true, resizable: false, closable: false, plain: true, width: 200, draggable: false, bodyStyle:'padding:5px;', items: this.form, buttons: [{ text: 'Login', handler: this.submitForm, scope: this },{ text: 'Cancel', handler: function(){ this.form.getForm().reset(); }, scope: this }] }); this.callParent(arguments); }, submitForm: function(){ var f = this.form.getForm(); f.submit({ url: 'myurl', waitMsg: 'Login...', waitTitle: 'Wait', scope: this, success: function(form, action){ this.callback.call(); this.close(); }, failure: function(form, action){ var res = action.result; var msg = 'Enter correct login and password, please.' if (res &amp;&amp; res.message){ msg = res.message; } Ext.Msg.alert('Error', msg); } }); } }); </code></pre> <p>As you can see im using a standard combobox with standard data (from sencha's example docs). When i now launch the application, it crashes with the error message described above. But when i remove the combobox, the application fully works, i see the login window and can login to show the My.Viewport.</p> <p>What can cause this error, does some code call itself all the time? I've spend many hours fixing this annoying problem, but no luck so far. </p> <p>Thanks for your help in advance.</p>
 

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