[Laszlo-dev] Help swapping order of subviews

[P T Withington]

That seems counter-intuitive.  Why does it need its own array?

On 2007-07-08, at 12:15 EDT, Henry Minsky wrote:

> I found the solution, I had naively assumed that LzLayout was  
> operating on
> the parent's subviews, but LzLayout in fact has it's own
> subviews array that it manages, and an API for manipulating it.
>
>
>
> On 7/8/07, Henry Minsky <henry.minsky at gmail.com> wrote:
>>
>>
>> I am trying to make a horizontal "dock" of icons, where the user  
>> can drag
>> and drop them to re-order them.
>>
>> I have a view which has a horizontal simplelayout,  and I thought  
>> I could
>> just swap two elements of the subviews
>> array and call update() on the layout, and they would snap into a new
>> order, but that doesn't seem to work.
>>
>> If I swap two views in the subviews array, then rerun the layout's
>> update() method, the views report properly
>> changed x coordinates, but they still display at their original  
>> locations.
>> Is there some cache I don't know about
>> which a view keep for it's children's postitions?
>>
>> Here's my scrolling view
>>  <class name="scrollview" defaultplacement="content" clip="true"
>> focusable="true">
>>         <attribute name="scrollto" value="0" type="number"/>
>>         <view x="${-parent.scrollto}" name="content" >
>>           <simplelayout name="mylayout" axis="x"/>
>>         </view>
>>         <scrollbar name="sbx" axis="x" y="120"/>
>>         <method name="updatelayout">
>>           this.content.mylayout.update();
>>         </method>
>>
>>  </class>
>>
>>
>>
>> --
>> Henry Minsky
>> Software Architect
>> hminsky at laszlosystems.com
>>
>>
>
>
> -- 
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com