JavaScript How to programmatically disable cells in a Ext.grid.EditorGridPanel

I have a web application that uses ExtJS 4 that incorporates a Ext.grid.EditorGridPanel.

One of the columns of the Ext.grid.EditorGridPanel has a combobox editor that I would like to disable programmatically when the store loads based on the value of another field in the store.

It seems like this should be pretty simple - but so far nothing seems to work.

When the Grid's store loads, I have a listener to check each row and disable the combobox in index 4 depending on the value of another field.

The only thing that I can't get to work is actually disabling the combobox.

Any suggestions?

Here is the psuedo-code. Thanks in advance

listeners: {
    'load': function(st, records, options) {

        var view = getMyEditorGridPanel().getView();

        for (var i = 0; i < this.getCount(); i++) {             

            if (store.getAt(i).get('setDisabled') === 'Y') {


                //The cell at index 4 has a combobox editor - I CAN'T GET IT TO DISABLE!!
                view.getCell(i,4).setDisabled(true);
            }
        }
     }
Answer:1

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