Hi Fabian,
thanks! If I change "dispatchDataEvent" to "fireDataEvent" it works
fine - just a typo, I guess.
Have a nice weekend,
Cajus
Fabian Jakobs schrieb:
> Cajus Pollmeier schrieb:
>> Fabian Jakobs schrieb:
>>
>>> Hi Cajus,
>>>
>>>> Hi again ;-)
>>>>
>>>> I've played with a List for a while now, which
>>>> has a remove (edit, whatever) button after each
>>>> list item. Lets call it SpecialList.
>>>>
>>>> The remove button is iniside the SpecialListItem
>>>> and is part of the list. Until now, I didn't manage
>>>> firering an event to allow the controller to act
>>>> on this event. Since I learned about selection
>>>> managers and children handling in the last hours:
>>>>
>>>> Can someone draw the "path" for me to walk?
>>>>
>>>>
>>> I don't really get it yet. What exactly are trying to do? Maybe a small
>>> code snippet would help.
>>>
>> Hi Fabian,
>>
>> maybe this ascii-art helps:
>>
>> ----------------------------------
>> | Item 1 [Edit] [Delete] |
>> | Item 2 [Edit] [Delete] |
>> | ... |
>> ----------------------------------
>>
>> This is a list of items, but it should be possible to
>> remove or edit every item by an icon [...] in its own
>> list entry.
>>
>> I could do this as some kind of scroll container and
>> connect every button to some function, but I don't
>> want to loose the capabilities of a list and its not
>> that elegant. Since I'm relatively new to qooxdoo
>> development, I was not able to find a way to let the
>> list fire the events. Like i.e. "selected", I'd like
>> to emit "delete" or "edit" in this case.
>>
>> More clear, or should I send some code? ;-)
>>
> Its clear :-)
>
> Using the List is perfect. This is how I would do it:
>
> 1. sub-class the List and define the event "delete" and "edit"
> 2. create the list item class with the buttons
> 3. add a 'parentList' property to the list item
> 4. add "execute" listeners to the buttons and dispatch "delete" and
> "edit" events on the "parentList". Use a data event and pass the clicked
> list item as argument:
>
> delButton.addListener("execute, function(e) {
> var parent = this.getParentList();
> if (parent) {
> parent.dispatchDataEvent("delete", this);
> }
> }, this);
>
> 5. override the list's "add" and "remove" methods. Set the "parentList"
> property of the incoming list item:
>
> add: function(item) {
> this.base(arguments, item);
> item.setParentList(this);
> }
>
> 6. Now you can listen on the List's "delete" and "edit" events.
>
> I hope this helps,
>
> Fabian
>
>
>>
>>>> -
>>>>
>>>> One other question: is it possible to disable
>>>> table headers?
>>>>
>>>> -
>>>>
>>>> Yeah - kind'a strange ideas, I know. But sometimes...
>>>>
>>>>
>>> You can't really disable the header but you can try to give it a zero
>>> height. I haven't tried it myself but something like this should do it:
>>>
>>> var custom = {
>>> tablePaneHeader : function(obj) {
>>> var header = new qx.ui.table.pane.Header(obj);
>>> header.setHeight(0);
>>> header.setMaxHeight(0);
>>> return header;
>>> }
>>> }
>>>
>>> var table = new qx.ui.table.Table(tableModel, custom);
>>>
>> Ah, ok. I've tried it with directly setting the height of the header -
>> not by defining a custom pane header... Will try it. Thanks!
>>
>> Cheers,
>> Cajus
>>
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