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Hot Topic (More than 10 Replies) TreeLayout (Read 14723 times)
Silvia88
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Re: TreeLayout
Reply #15 - Sep 30th, 2015 at 6:27pm
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The problem is when I load a diagram and from the diagram I want to understand if a node belongs to a tree layout, if I put the tag, it lost it when I save and then reload after. I want a way to know if a node is part of a tree or not.
  
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Stoyo
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Re: TreeLayout
Reply #16 - Oct 1st, 2015 at 11:04am
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A graph node is always a part of some sub-tree, you cannot determine what you need by just inspecting nodes and links. You will have to explicitly mark ones that were arranged by TreeLayout. Tag serialization works fine in my test; check if you aren't resetting Tag value to null at some point:

Code
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ShapeNode sn = diagram.getFactory().createShapeNode(50, 10, 20, 20);
sn.setTag(true);
try
{
	diagram.saveTo("temp", this);
	diagram.clearAll();
	diagram.loadFrom("temp", this);
	ShapeNode loaded = (ShapeNode)diagram.getNodes().get(0);
	Boolean tag = (Boolean)loaded.getTag();
	loaded.setText(tag.toString());
}
catch (FileNotFoundException e)
{
	e.printStackTrace();
}
catch (IOException e)
{
	e.printStackTrace();
}
  
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Silvia88
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Re: TreeLayout
Reply #17 - Oct 1st, 2015 at 12:22pm
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Ok, thank you very much  Smiley
  
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