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Normal Topic Event raised while container child added and removed (Read 948 times)
Ankur shah
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Event raised while container child added and removed
Nov 26th, 2018 at 9:08am
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I have one use case if we are having root container node and inside that we have many other container node. which can have also container node inside that.

So my question to you is

As you can see the attached pic if we are dragging node 3 in to 'Root'. Two event are fired
1. containerChildRemoved
2. containerChildAdded
I think that is correct also but when we drag node 1 inside node 2. Only one event is fired i.e. containerChildAdded. I think this is wrong as we removed the container node 1 from 'root' and added it to Node 2.
Why is this kind of behavior?

If this behavior is correct then how can i get to know it is moved inside some container which having same parent?
  
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Slavcho
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Re: Event raised while container child added and removed
Reply #1 - Nov 26th, 2018 at 11:06am
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Try this to get the event raised -

Code
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ContainerNode.prototype.remove = function (node, raiseEvent)
{
	var ArrayList = MindFusion.Collections.ArrayList;
	if (ArrayList.remove(this.children, node))
	{
		this.setDiagramDirty();
		delete node.container;
		//if (raiseEvent)
			this.raiseChildRemoved(node);
		if (this.parent)
			this.parent.invalidateZOrder();
	}
};


otherwise you might try getting old container value from containerChildAdding handler, and using it in subsequent containerChildAdded as indication of previous container.
  
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