Success! Looks like we've fixed this one. According to our records the fix was applied for TOUCH-3793 in a recent build.
  1. #1
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    Default Cannot unset the store from a dataview

    Cannot unset the store from a dataview


    REQUIRED INFORMATION




    Ext version tested:
    • Sencha Touch 2.1rc1

    Browser versions tested against:
    • ____
    • Chrome 23

    DOCTYPE tested against:
    • html

    Description:
    • Ext.mixin.Selectable - Cannot update store with new store as null (i.e. remove the existing store).

    Steps to reproduce the problem:
    • Create a dataview
    • Set a store for a dataview using useStore
    • Try to remove the store by calling set store and passing it null

    The result that was expected:
    • The store is removed from the view

    The result that occurs instead:
    • An error occurs because Selectable tries to remove event listeners from the new store

    Test Case:


    Code:
    Ext.Viewport.add({
        xtype   : 'dataview',
        itemTpl : '{test}',
        store   : {
            fields : ['test'],
            data   : [
                { test : 'foo' }
            ]
        },
        items   : [
            {
                xtype   : 'button',
                docked  : 'top',
                text    : 'setStore',
                ui      : 'confirm',
                handler : function(btn) {
                    var dv = btn.up('dataview');
    
                    dv.setStore(null);
    
                    console.log(dv.getStore);
                }
            }
        ]
    });





    HELPFUL INFORMATION


    Debugging already done:
    • I have put in an override

    Possible fix:
    • Put a little check

    Operating System:
    • Win 8
    Last edited by mitchellsimoens; 4 Dec 2012 at 9:11 AM. Reason: added test case

  2. #2
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    Default


    I added a test case for this report.

    IMO a DataView should always have a store but it shouldn't throw an error. The error is actually in the Selectable mixin
    Mitchell Simoens @SenchaMitch
    Sencha Inc, Senior Forum Manager
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