How to use this.up() function in button handler in Sencha Touch

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I have looked into this question, but this does not solve my problem How to use up() in Ext.Button handler

I am trying to implement a simple button handler, and want to handle of a Panel's toolbar's button. I am defining a onNewFeed3 function in the panel, not sure how to call that when the button's tap event is clicked. I don't want to use a separate controller class, but want it all in the View class. The above link seems to answer this, I am still getting the two errors as I mention down below in the code.

The reason for the first code after the first comment was to ascertain the XType of "this", and I am not sure what's the best way to do this, as I am getting a TypeError

Thanks

Ext.define('Volt.view.FeedView', {
    extend: 'Ext.Panel',

    requires: [
        'Ext.TitleBar',
        'Ext.Button',
        'Ext.Toolbar'
        //'Ext.Panel'
    ],

    xtype: 'feedViewCard',



    config: {
        iconCls: 'action',
        title: 'FeedView',

        layout: {
            type: 'vbox'
        },

        items: [
            {
                xtype: 'toolbar',
                title: 'Home',
                docked: 'top',
                items: [
                    {
                        xtype: 'spacer'

                    },
                    {
                        xtype: 'button',
                        text: 'New2 Feed',
                        ui: 'action',
                        id: 'new_note_button',

/*  I HAVE TRIED THIS AND DOES NOT WORK - GIVES TypeError : undefined is not a function */
                        handler: function(){
                            console.log('button tapped inline handler, xtype =');
                            console.log(this.getXTypes());

                        },

/*  and this gives the same error as well : TypeError : undefined is not a function*/
                        handler: this.up('feedViewCard').onNewFeed3,

                        scope: this
                    }

                ]

            }
        ]
    },

    onNewFeed3: function(){
        console.log('New Feed 3 button clicked');
    }

});

asked 44 secs ago

dowjones123

29