Interface that helps in clipboard actions that can be associated with each
IModelItem
in the context where clipboards are needed.
public function copy(item:Object):Object
This method is called during the copy operation of the given item to retrieve additional state
that can be later used during a operation.
Parameters
| item:Object — The item to copy to the clipboard.
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Returns
| Object — A custom user object that will later be provided to Paste.
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public function cut(item:Object):Object
This method is called during the cut operation of the given item to retrieve additional state
that can be later used during a operation.
Parameters
| item:Object — The item to cut to the clipboard.
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Returns
| Object — A custom user object that will later be provided to Paste.
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public function paste(item:Object, userData:Object):void
This method is called after the item has been pasted from the clipboard.
Parameters
| item:Object — The item that has been created during the paste operation.
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| userData:Object — The data that had been queried during Cut or
Copy respectively.
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public function shouldCopy(item:Object):Boolean
Determines whether the given item can or should be copied to the clipboard.
Parameters
| item:Object — The item to copy.
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Returns
| Boolean — true, if this item should be copied.
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public function shouldCut(item:Object):Boolean
Determines whether the given item can or should be cut to the clipboard.
Parameters
| item:Object — The item to copy.
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Returns
| Boolean — true, if this item should be cut.
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public function shouldPaste(item:Object, userData:Object):Boolean
Determines whether the given item can or should be pasted from the clipboard to the target graph.
Parameters
| item:Object — The item in the clipboard.
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| userData:Object — The state memento that had been created during cut or copy.
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Returns
| Boolean — true, if this item should be pasted.
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