Examples of diva.util.FilteredIterator

diva.util.FilteredIterator
An iterator that takes another iterator, and applies a filter to each element that it gets. @author John Reekie @version $Id: FilteredIterator.java,v 1.9 2005/07/08 19:55:16 cxh Exp $

     */
    public Iterator intersectingNodes(Rectangle2D r) {
        final GraphModel model = _controller.getGraphModel();
        ZList zlist = getGraphicsPane().getForegroundLayer().getFigures();
        Iterator i = zlist.getIntersectedFigures(r).figuresFromFront();
        Iterator j = new FilteredIterator(i, new Filter() {
            public boolean accept(Object o) {
                Figure f = (Figure) o;
                return (model.isNode(f.getUserObject()));
            }
        });

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     * intersect the given rectangle.
     */
    public Iterator intersectingEdges(Rectangle2D r) {
        ZList zlist = getGraphicsPane().getForegroundLayer().getFigures();
        Iterator i = zlist.getIntersectedFigures(r).figuresFromFront();
        Iterator j = new FilteredIterator(i, new Filter() {
            public boolean accept(Object o) {
                return (o instanceof Connector);
            }
        });
        return new ProxyIterator(j) {

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     * have the given element type.
     *
     *  @return an Iterator of XmlElements
     */
    public Iterator elements(final String type) {
        return new FilteredIterator(elements(), new Filter() {
            public boolean accept(Object o) {
                return ((XmlElement) o)._type.equals(type);
            }
        });
    }

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     * (i.e. the edges whose head node, or tail node is in the
     * composite, or a subnode).
     */
    public static final Iterator partiallyContainedEdges(Object composite,
            GraphModel model) {
        return new FilteredIterator(edgeSet(model.getRoot(), model).iterator(),
                new PartiallyContainedEdgeFilter(model, composite));
    }

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     * (i.e. the edges whose head and tail nodes are both in the
     * composite, or a subnode).
     */
    public static final Iterator totallyContainedEdges(Object composite,
            GraphModel model) {
        return new FilteredIterator(edgeSet(model.getRoot(), model).iterator(),
                new TotallyContainedEdgeFilter(model, composite));
    }

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     * @return An iterator over the hit figures.
     */
    public static Iterator pickIter(Iterator i, Rectangle2D region) {
        final Rectangle2D rl = region;


        return new FilteredIterator(i, new Filter() {
            Rectangle2D _region = rl;


            public boolean accept(Object o) {
                Figure f = (Figure) o;
                return f.hit(_region);

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Related Classes of diva.util.FilteredIterator

diva.canvas.CanvasUtilities

diva.graph.basic.BasicLayoutTarget

diva.graph.GraphUtilities

diva.util.xml.XmlElement

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