| Help! Reparent view [message #244383] |
Thu, 17 July 2008 02:24  |
Eclipse User |
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Originally posted by: lifesting.gmail.com
This is a multi-part message in MIME format.
--------------010104080801050005080106
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
I defined a simple ecore model as the attached image described.
There's two class one is Block, the other is CompositeBlock which is
inherited from Block
CompositeBlock is used to be Diagram model, both can be added in Diagram
as Nodes, that means there will be two CompositeBlockEditParts,
inherited from DiagramEditPart and ShapeNodeEditPart respectively.
I also set the *Related Diagram* property to *Canvas Mapping*(only one
canvas mapping defined) on CompositeBlock Node defeinition, so A new
diagram editor will open when I double click a CompositeBlock Node on
original editor, as you know, the two editor share same model.
Now, assume that I added three Block Node on original editor, and select
ed them all, then click *Merge* from context menu, the *Merge* action
will created a new CompositeBlock Node, attach a new created Diagram to
its HintedDiagramStyle. The most important step is move the selected
three Block Node to new created Diagram, in short, reparent view.
I tried several times as blow, but it failed.
MergeCommand:
Diagram diagram = getDiagram();
List<Node> selected = getSelectedNodes();
for(Node n : selected)
{
diagram.removeChild(n);
}
Node compositeBlockNode = newCreatedCompositeBlockNode();
HintedDiagramLinkStyle diagram_style = (HintedDiagramLinkStyle)
compositeBlockNode.getStyle(NotationPackage.eINSTANCE.getHin tedDiagramLinkStyle());
Diagram nestedDiagram = createLinkDiagramAndPersist(diagram_style);
for (Node n: selected)
{
nestedDiagram.insertChild(n);
}
persistAll();
I know above code doesn't work because the parent of all selected Nodes
still reference diagram not nestedDiagram, but I don't know how to
change it. Code may be like as blow:
CompositeBlock diagram_model = nestedDiagram.getElement();
for (Node n: selected)
{
changeViewParent(n, nestedDiagram);
changeModelParent(n.getElement, diagram_model);
nestedDiagram.insertChild(n);
}
Thanks!
--------------010104080801050005080106
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--------------010104080801050005080106--
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| Re: Help! Reparent view [message #244391 is a reply to message #244383] |
Thu, 17 July 2008 04:27  |
| Eclipse User |
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Originally posted by: lifesting.gmail.com
Sorry, please move this thread to GMF group, thanks!
David BY Chan wrote:
> I defined a simple ecore model as the attached image described.
>
> There's two class one is Block, the other is CompositeBlock which is
> inherited from Block
>
> CompositeBlock is used to be Diagram model, both can be added in Diagram
> as Nodes, that means there will be two CompositeBlockEditParts,
> inherited from DiagramEditPart and ShapeNodeEditPart respectively.
>
> I also set the *Related Diagram* property to *Canvas Mapping*(only one
> canvas mapping defined) on CompositeBlock Node defeinition, so A new
> diagram editor will open when I double click a CompositeBlock Node on
> original editor, as you know, the two editor share same model.
>
> Now, assume that I added three Block Node on original editor, and select
> ed them all, then click *Merge* from context menu, the *Merge* action
> will created a new CompositeBlock Node, attach a new created Diagram to
> its HintedDiagramStyle. The most important step is move the selected
> three Block Node to new created Diagram, in short, reparent view.
>
> I tried several times as blow, but it failed.
>
> MergeCommand:
>
> Diagram diagram = getDiagram();
>
> List<Node> selected = getSelectedNodes();
>
> for(Node n : selected)
> {
> diagram.removeChild(n);
> }
>
> Node compositeBlockNode = newCreatedCompositeBlockNode();
>
> HintedDiagramLinkStyle diagram_style = (HintedDiagramLinkStyle)
> compositeBlockNode.getStyle(NotationPackage.eINSTANCE.getHin tedDiagramLinkStyle());
>
>
> Diagram nestedDiagram = createLinkDiagramAndPersist(diagram_style);
>
> for (Node n: selected)
> {
> nestedDiagram.insertChild(n);
> }
>
> persistAll();
>
> I know above code doesn't work because the parent of all selected Nodes
> still reference diagram not nestedDiagram, but I don't know how to
> change it. Code may be like as blow:
>
> CompositeBlock diagram_model = nestedDiagram.getElement();
> for (Node n: selected)
> {
> changeViewParent(n, nestedDiagram);
> changeModelParent(n.getElement, diagram_model);
> nestedDiagram.insertChild(n);
> }
>
>
> Thanks!
>
>
> ------------------------------------------------------------ ------------
>
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