On Wed, Jul 23, 2008 at 9:27 AM, Szántai Péter <[EMAIL PROTECTED]> wrote:
>
> 2008/7/23 Derrell Lipman <[EMAIL PROTECTED]>:
>
> On Wed, Jul 23, 2008 at 8:05 AM, Szántai Péter <[EMAIL PROTECTED]>
>> wrote:
>>
>>> I just want to figure out how the eventhandling works with the
>>> open-close buttons at Branch cells and how it is registered to the
>>> images(cross-minus).
>>>
>>
>> You haven't provided a specific enough question for me to provide any type
>> of detailed answer. It sounds, though, like you'll find what you're looking
>> for in the source file
>> qooxdoo/frontend/framework/source/class/qx/ui/treevirtual/SimpleTreeDataCellRenderer.js
>>
>> Cheers,
>>
>> Derrell
>>
>> I know about Stdcr class and yes i want to ask about it. I saw that the
> cross-minus symbols are added in _getIndentSymbol( ) function still do not
> know how the eventhandler attached to these symbols( .gif ).
> For Example: Write a CustomCellRenderer which only put an image into the
> cell. And want to execute a function when the user clicks on this image.
>
Ah, ok. Then the places to look are in treevirtual/SelectionManager.js
beginning around line 139, near the comment "Was this a mouse event?". That
code decides where the event occurred (i.e. whether it was on an open/close
button) and if so, it sets the state of the node in the data model by
calling tableModel.setState(). You'll find the setState() implementation in
treevirtual/SimpleTreeDataModel.js
Hope that helps.
Cheers,
Derrell
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