Examples of diva.graph.GraphListener

diva.graph.GraphListener
A listener for changes in a graph's structure or contents, which are communicated through GraphEvent objects. GraphListeners register themselves with a GraphModel object, and receive events from Nodes and Edges contained by that model's root graph or any of its subgraphs. @author Michael Shilman @author John Reekie @version $Id: GraphListener.java,v 1.11 2005/07/08 19:55:01 cxh Exp $ @Pt.AcceptedRating Yellow

     * Dispatch the edgeHeadChanged() event to the
     * listeners.
     */
    public void edgeHeadChanged(GraphEvent e) {
        for (Iterator i = listeners(); i.hasNext();) {
            GraphListener l = (GraphListener) i.next();
            l.edgeHeadChanged(e);
        }
    }

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     * Dispatch the edgeTailChanged() event to the
     * listeners.
     */
    public void edgeTailChanged(GraphEvent e) {
        for (Iterator i = listeners(); i.hasNext();) {
            GraphListener l = (GraphListener) i.next();
            l.edgeTailChanged(e);
        }
    }

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    /**
     * Dispatch the nodeAdded() event to each of the listeners.
     */
    public void nodeAdded(GraphEvent e) {
        for (Iterator i = listeners(); i.hasNext();) {
            GraphListener l = (GraphListener) i.next();
            l.nodeAdded(e);
        }
    }

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    /**
     * Dispatch the nodeRemoved() event to each of the listeners.
     */
    public void nodeRemoved(GraphEvent e) {
        for (Iterator i = listeners(); i.hasNext();) {
            GraphListener l = (GraphListener) i.next();
            l.nodeRemoved(e);
        }
    }

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    /**
     * Dispatch the structureChanged() event to each of the listeners.
     */
    public void structureChanged(GraphEvent e) {
        for (Iterator i = listeners(); i.hasNext();) {
            GraphListener l = (GraphListener) i.next();
            l.structureChanged(e);
        }
    }

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Related Classes of diva.graph.GraphListener

diva.graph.toolbox.GraphEventMulticaster

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