if take a look at the ExtJS API, particulary the ColumModel there is a setHidden method, it would hide/show a column in a GridPanel. myGrid.getColumnModel().setHidden(0, true); you should also hook the onchange event of your check box so you can show or hide the column
I had the same problem, afaik has to do with selectlist rendering before the items are added to the store. I tried the callback method mentioned above without any luck (guess it would have to be a callback on the selectlist rather than the store). I added this line after adding items to the store … Read more
After quite much research through the sparse documentation, and thanks to great questions and answers in SO, I came up with a simple class, that adds this functionality and and allows for configurations. It looks like this: You add this field in your grid like this: Ext.define(‘Sandbox.view.OwnersGrid’, { extend: ‘Ext.grid.Panel’, requires: [‘Sandbox.view.SearchTrigger’], alias: ‘widget.ownersGrid’, store: … Read more
If you do not have a deep understanding of how ExtJS class system work, you may want to follow this: Declare all non-primitive types in initComponent(). Terminology Primitive types – strings, booleans, integers, etc. Non-Primitives – arrays & objects. Explanation If the component you extend is to be created more than once, any non-primitive configs … Read more
For clarification: By real class modification I mean a intended permanent modification/extension of a class, which should always be done by extending a class. But it is not a temporary solution for just a specific problem (bug-fix, etc.). You have at least four options how to override members of (Ext) Classes prototype I guess is … Read more