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Thread: Error Message: Ext.Msg is undefined

  1. #1
    Sencha User
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    Default Error Message: Ext.Msg is undefined

    I am unable to use Ext.Msg inside the controller class. Tried out adding requires : ['Ext.Window.MessageBox'] but still doesn't work. I'm just starting off to use Extjs 4.0. Please let me know what am I missing

    Code:
    Ext.define('Ads.controller.LeftMenu', {
        extend: 'Ext.app.Controller',
    	//requires: ['Ext.Window.MessageBox'],
    	views: ['Viewport'],
        init: function() {
    		console.log('LeftMenu init called');
    		this.control({
            	'menu': {
                	click: this.onLeftMenuClick
            	}
        	});
        },
    	
    	onLeftMenuClick : function( menu, item, eventObj, eOpts ){
    		//Ext.Msg.alert(item.text, item.text);
    		Ext.Msg.alert('Hello', 'Hello');
    		//alert('hello');
    	}
    });

  2. #2
    Sencha User mitchellsimoens's Avatar
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    Default

    Code:
    requires: ['Ext.Window.MessageBox']
    should be

    Code:
    requires: ['Ext.window.MessageBox']
    Ext.Window is wrong, Ext.window is correct.
    Mitchell Simoens @LikelyMitch
    Modus Create, Senior Frontend Engineer
    ________________
    Need any sort of Ext JS help? Modus Create is here to help!

    Check out my GitHub:
    https://github.com/mitchellsimoens

  3. #3
    Sencha User
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    Default

    I don't think you actually need to specifically write the requires: config. I can create messageBoxes without it.

    Is your ComponentQuery for that "menu" item correct? Are u correctly referring to it ? Maybe you're not referring it correctly, that's why when u click it its not alerting anything. (because the control is not registered)

    Try a simple thing first:

    Code:
    onLeftMenuClick : function(){
           alert ("Hahahaha!");
    }
    If u see the alert then your componentquery is correct...

  4. #4
    Sencha User mitchellsimoens's Avatar
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    Default

    You do need it as it's not in ext.js. Some other classes may require it that you are using. Ext.Msg won't be created until it Ext.window.MessageBox is dynamically loaded.
    Mitchell Simoens @LikelyMitch
    Modus Create, Senior Frontend Engineer
    ________________
    Need any sort of Ext JS help? Modus Create is here to help!

    Check out my GitHub:
    https://github.com/mitchellsimoens

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