Hey guys...
I'm working in a application were I need to let the user set the order
of 3 panels using drag and drop. These panels are inside a container.
The children of the container are another container that I don't need
to do any of this (always in the position 0 of the children array) and
the 3 panels to be dragged. The user should be able to drag a panel
and drop it in the position he wants it to be, and the other panels
should reorder. For example, if the user takes the first panel and
wants to put it in the middle of the 3 panels, the second panel should
take the place of the first panel and the dragged panel should be in
the middle (position 2).
To do this I have a handler to the drop of the panel, and I calculate
its new position through the y's of the panels. Once I have the new
position I setChildIndex of the panel. Sometimes it works, sometimes
it doesn't. When I put a panel in the middle of the bunch
(panel.parent.setChildIndex(panel, 2)) it swaps the panels of the
position 1 and 3. This should happen, because I dont set any other
childIndex. For example, if a have A B and C in that order, and I want
to put A in the middle it should be B A C, but it stays like this: C A
B. It shouldn't switch B and C. Does anyone know why this happen?
Here is the code for panel drop:
private function panelDrop (event:FlexEvent):void
{
var menu:MyPanel = event.currentTarget as
MyPanel; // panel that
is being dropped.
var position:int = 1; // it is initialized in
1, because in 0
there is no panel.
for (var i:int = 0; i <
pnl_container.numChildren; i++) // finds
the new position of the dropped panel.
{
if (this.pnl_container.getChildren()[i]
is MyPanel) // gets the
child at i
{
var obj:MyPanel =
pnl_container.getChildAt(i) as MyPanel; //
child at i
if ( menu.y > obj.y ) // if the
y of the dropped menu is bigger
than the child at position i, the position of the new panel is one lower.
{
position++;
}
}
}
menu.parent.setChildIndex(menu,position); // it
sets the new
position of the panel. I believe the problem is here. The problem is
not searching the position, I have debugged and that is ok.
}
Thanx a lot guys =D
