[Pier] TreeView is not sorted

>> PRTreeView display sub items using the order of the children  
>> dictionary.
>> A dictionary has no order, therefore items are shuffled. I would  
>> like to
>> have sub items in the order in which I added them or, better, having a
>> component to let me give my order.
>>
>> What is the best solution ?
>
> Load the latest version of Pier, I fixed that yesterday :-)

>>> I thought of a 'priority' property for structures. This priority
>>> would then be used to sort the elements.
>>
>> The enhanced children visitor would allow to do exactly that. You
>> just have to redefine the default sort-block in the default context
>> used for new sessions.
>
> Ok, but I need something to base the order on if I want to sort by
> creation time for exemple. In this case, I would need to modify
> ChildrenDecoration>>#add: to add an index, or Structure>>initialize to
> add a timestamp property. What do you think ?

>>>> I thought of a 'priority' property for structures. This priority
>>>> would then be used to sort the elements.
>>> The enhanced children visitor would allow to do exactly that. You
>>> just have to redefine the default sort-block in the default context
>>> used for new sessions.
>> Ok, but I need something to base the order on if I want to sort by
>> creation time for exemple. In this case, I would need to modify
>> ChildrenDecoration>>#add: to add an index, or Structure>>initialize to
>> add a timestamp property. What do you think ?
>
> There are other possibilities:
>
> - Put the new value into a property and initialize it lazily.
>
> - Use the hook method that is called on the class-side of all  
> concrete decorations when a structure is added to initialize a  
> property. You don't need the decoration in this case, just the hook.