| Drop EditPart from TreeViewer [message #230128] |
Thu, 01 February 2007 14:38 |
Eclipse User |
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Originally posted by: fpmaturana.ra.rockwell.com
Hello,
I am new to this portal and trying to obtain some information about
EditPart creation.
I have a GEF Graphical Editor with a palette and several entries. I create
the parts by selecting entries from the palette and then dropping it into
the editor.
I would like to by pass the palette by dragging an element from a SWT
TreeViewer and dropping the element into the editor. So far, I have
created a drop listener in the GraphicalViewer component of my editor
using my 'ObjectTransferDropTargetListener' class.
public class ObjectTransferDropTargetListener
extends AbstractTransferDropTargetListener {}
I followed the LogicLabel drag and drop example to implement the factory.
However, here is where I have the problem. All my EditPart require a View
object to be passed as a parameter into the constructor.
public class ChassisShapeEditPart extends ShapeNodeEditPart {
...
public ChassisShapeEditPart(View view) {
super(view);
}
...
}
I do not know how to create the view object to create the EditPart. In
addition, I have read several examples about EdiPart factories and
getNewObject () use. I am confused about it use.
Therefore, essentially, can someone help me with this problem? I would
like to catch the drop action when the mouse enters into the editor view.
I would like to extract the name of the object to be created and then
create the corresponding EditPart. The name of the EditPart is the text to
be dragged from the TreeViewer.
I appreciate your patience reading the long message. Your help is greatly
appreciated.
Thank you.
Francisco
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