Hi Chris,
thanks for the detailed explanation. I save off the coordinates and all
I need in the DropTarget#dragMove method, and do the rendering in
Decorator#update. It renders in the correct place, but the
Decorator#update method is not called while I'm dragging. Therefore, the
rendering doesn't show up before after I've dropped, and then move the
mouse slightly. I tried manually calling Decorator#update from
DropTarget#dragMove, but that's not working either.
When I just hover over the TreeView with the mouse, the Decorator#update
method is called all the time, but not while I drag. Any idea what I'm
doing wrong? :)
-- Edvin
Den 08.06.2011 08:29, skrev Chris Bartlett:
I was in the middle of writing a reply to you last night when there
was a power outage, but it seems you did exactly as I was going to
suggest anyway!
On 8 June 2011 06:10, Edvin Syse <[email protected]
<mailto:[email protected]>> wrote:
How do I install a custom skin just for this TreeView? :)
Pivot only supports a single Skin for each Component. If you want a
particular instance of a Component to have a different skin, you can
extend the Component and then register your custom skin against it in
the Theme.
So you might create a MyTreeView which extends
org.apache.pivot.wtk.TreeView
and a MyTerraTreeViewSkin which extends
org.apache.pivot.wtk.skin.terra.TerraTreeViewSkin.
Then you can add them to the Theme
http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/Theme.html#set(java.lang.Class
<http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/Theme.html#set%28java.lang.Class>,
java.lang.Class)
See this thread
http://apache-pivot-users.399431.n3.nabble.com/How-to-change-skin-tp2218079p2218079.html
As Greg mentioned, it might be easier to write a custom Decorator and
apply it to the DropTarget (TreeView) when the dragEnter method is
called.
http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/DropTarget.html#dragEnter(org.apache.pivot.wtk.Component
<http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/DropTarget.html#dragEnter%28org.apache.pivot.wtk.Component>,
org.apache.pivot.wtk.Manifest, int, org.apache.pivot.wtk.DropAction)
The Decorator might receive x & y coordinate updates from the
DropTarget via the dragMove method, or could listen to the
ComponentMouseListener events for the TreeView.
http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/DropTarget.html#dragMove(org.apache.pivot.wtk.Component
<http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/DropTarget.html#dragMove%28org.apache.pivot.wtk.Component>,
org.apache.pivot.wtk.Manifest, int, int, int,
org.apache.pivot.wtk.DropAction)
http://pivot.apache.org/2.0/docs/api/org/apache/pivot/wtk/ComponentMouseListener.html
It could use these coordinates along with the bounds of the nodes to
determine where to render the line.
Chris
