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From Ariel Constenla-Haile <>
Subject Re: programmatically removing connected shapes
Date Mon, 20 May 2013 18:22:19 GMT
Hi Антон,

On Mon, May 20, 2013 at 08:56:05PM +0400, Антон Борисов wrote:
> Hello, need some help with draw extension
> I have 3 shapes connected: 2 connector shapes, 1 text shape, they are
> connected next way:   " ----> text ----> "
> I trying to do next: removing one of this shapes (i.e by key delete)
> will causes deleting two another.
> I handle XEventListener "ShapeRemoved", and deleting another by
> XDrawPage.remove, but sdraw fails in some case, exactly when firstly i
> remove text shape ( by key ).

In which way is it failing?

AFAIK, there is no way to know, from the text shape, if it connected to
connectors. For a connector, you have StartShape and EndShape; but for
the text shape you have no way to know which connectors are connecting

One way is to track this information in a collection of connected shapes
and for each connected shape store the information about its connectors.
Then, when you get notified that a shape is being removed, search the
shape in the collection and remove its connector.

Ariel Constenla-Haile
La Plata, Argentina

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