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  1. Isn't it just this?


    extraParams: {
    a: [1, 2, 3]
    }

    That should be expanded out on the request.
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    I would suggest that if you carefully consider the effects of the keywords private and final on methods in Java, the ExtJS behaviour is much more closely aligned with final. Sure, the ExtJS version...
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    I may have misunderstood but I believe Jay was asking why are they called privates rather than finals, with no suggestion of changing the actual behaviour. The name privates has connotations around...
  4. I believe the answer to your question is yes.

    A config is used to create an object. The type config is a special case that allows you to specify which class to use (via its alias). The config is...
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    It'll show up if you type its name into the search box, top right. To browse all private methods click on the 'Show' menu, also on the right, within the class docs.



    I was primarily trying to...
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    You reuse them by giving them a custom xtype.
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    If you only have one instance of this grid I'd expect it to work. If you have multiple instances I'd expect the problem you describe, explained here:
    ...
  8. There does seem to be a lack of documentation on this. This style is used throughout the examples but it isn't always clear how the mechanism works. It's a recurring pattern throughout the framework...
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    getParams is in the docs but it's marked as private. That doesn't stop you overriding it.

    If you want a non-private method instead you could use buildRequest. Some examples here:
    ...
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    From what I read in that guide, the intention of privates is simply to prevent accidental overrides, it has nothing to do with invocation visibility (how would that even be possible?).

    Overriding...
  11. From reading here...

    http://docs.sencha.com/extjs/5.0.0/apidocs/#!/api/Ext.container.Container

    ...it appears that references are passed up the component hierarchy until they find a reference...
  12. @disller. See earlier discussion:

    http://www.sencha.com/forum/showthread.php?148064-Component-Column-Components-in-Grid-Cells&p=997560&viewfull=1#post997560

    In short, just remove the dataIndex...
  13. When a tab is closed it goes through the remove method of the container, the closeAction won't have any effect. Trying to subsequently find that tab as a child of the tabpanel won't work as it is no...
  14. It will be added automatically if you set the callbackKey correctly.
  15. Remove the json.wrf from the URL and instead add this to your proxy:


    callbackKey: 'json.wrf'
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    The correct way to do this is a delegated listener, not an inline onclick property. The official documentation for delegate is under the on method of Ext.dom.Element.
    ...
  17. Do you want to use CORS or JSON-P? Your current config seems to be a mix of the two.

    This line implies you're trying to use CORS. It prevents ExtJS adding a custom header, which would force CORS...
  18. The problem is that your grid column isn't actually a column. ButtonGroup doesn't extend Ext.grid.column.Column.

    ActionColumn provides something similar to what you're trying to do. If you really...
  19. I'm not sure I understand the question.

    Usually you'd just call loadPage on the store. That will create an Operation which will be passed to the proxy. Operation is little more than a light-weight...
  20. If the parameters are fixed then you can add them directly to the url config or use the extraParams config.

    For anything more sophisticated I'd write a custom proxy. Details here:
    ...
  21. There is an on method on Ext.Ajax.
  22. The first thing to note is that components must be destroyed, you can't just rely on JavaScript garbage collection. A rendered component will be referenced by the DOM and even unrendered components...
  23. You need to be a little careful creating menus like that. When a menu is hidden it isn't destroyed. If you don't destroy it yourself it'll leak (you can see this in the DOM).
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    You should also consider using removeResizeListener to remove the listener if your panel is destroyed.

    If you want to keep the resize logic wrapped up in your panel class I see no reason not to...
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    I believe paramsAsJson was only added in 4.2.2.

    For reference it is implemented in the doRequest method of Ext.data.proxy.Ajax.
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