Package net.sourceforge.jpowergraph

Examples of net.sourceforge.jpowergraph.Node

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    }
   
    public void mouseMove(JPowerGraphMouseEvent e) {
        if (m_draggedNode!=null) {
            autoscroll(e);
            Node overChild = getGraphPane().getNodeAtPoint(e.getPoint());
            boolean canLinkHere = edgeCreatorListener.canCreateEdge(m_draggedNode, overChild);
            if (!canLinkHere && overChild != null){
                cursorLens.setStop(true);
            }
            else{
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        public void elementsRemoved(Graph graph,Collection nodes,Collection edges) {
            if (nodes!=null) {
                Set <Node> toRemove=null;
                Iterator iterator=nodes.iterator();
                while (iterator.hasNext()) {
                    Node node=(Node)iterator.next();
                    if (m_selectedNodes.contains(node)) {
                        if (toRemove==null)
                            toRemove=new HashSet <Node> ();
                        toRemove.add(node);
                    }
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        updateHighlight(e);
    }
   
    protected void updateHighlight(JPowerGraphMouseEvent e) {
        if (getGraphPane().isEnabled()) {
            Node nodeAtPoint = getGraphPane().getNodeAtPoint(e.getPoint());
            if (nodeAtPoint != null) {
                setHighlightedNode(nodeAtPoint);
                setHighlightedEdge(null);
            }
            else {
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        return m_highlightedNode;
    }
   
    public void setHighlightedNode(Node highlightedNode) {
        if (highlightedNode != m_highlightedNode) {
            Node oldHighlightedNode = m_highlightedNode;
            if (oldHighlightedNode != null){
                getGraphPane().repaintNode(oldHighlightedNode);
            }
            m_highlightedNode = highlightedNode;
            if (m_highlightedNode != null){
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    }
   
    public void mouseDown(JPowerGraphMouseEvent e) {
        if (getGraphPane().isEnabled() && e.getButton() == JPowerGraphMouseEvent.LEFT) {
            Legend legend = getGraphPane().getLegendAtPoint(e.getPoint());
            Node node=getGraphPane().getNodeAtPoint(e.getPoint());
            if (legend != null){
                Action a = legend.getActionAtPoint(e.getPoint());
                if (a != null){
                    a.actionPerformed(new ActionEvent("Selection Source", 0, "do Action")); // null was e.getSource()
                }
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                        paintEdge(buffer, edge);
                    }
                }
                iterator = m_graph.getVisibleNodes().iterator();
                while (iterator.hasNext()) {
                    Node node = (Node) iterator.next();
                    getNodeScreenBounds(node, bounds);
                    if (clipRectangle.intersects(bounds)){
                        paintNode(buffer, node);
                    }
                }
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    public Node getNodeAtPoint(JPowerGraphPoint point) {
        synchronized (m_graph) {
            List nodes = m_graph.getVisibleNodes();
            ListIterator iterator = nodes.listIterator(nodes.size());
            while (iterator.hasPrevious()) {
                Node node = (Node) iterator.previous();
                NodePainter nodePainter = getPainterForNode(node);
                if (nodePainter.isInNode(this, node, point, nodeSize, 1))
                    return node;
            }
            return null;
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        synchronized (m_graph) {
            Set <Node> nodesInRectangle = new HashSet <Node> ();
            JPowerGraphRectangle nodeRectangle = new JPowerGraphRectangle(0, 0, 0, 0);
            Iterator <Node> nodes = m_graph.getVisibleNodes().iterator();
            while (nodes.hasNext()) {
                Node node = nodes.next();
                getNodeScreenBounds(node, nodeRectangle);
                if (RectangleUtil.contains(rectangle, nodeRectangle)) {
                    nodesInRectangle.add(node);
                }
            }
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    protected void updateNodeScreenPositions() {
        synchronized (m_graph) {
            Point2D graphPoint = new Point2D.Double();
            Iterator nodes = m_graph.getVisibleNodes().iterator();
            while (nodes.hasNext()) {
                Node node = (Node) nodes.next();
                JPowerGraphPoint point = m_nodePositions.get(node);
                if (point == null) {
                    point = new JPowerGraphPoint(0, 0);
                    m_nodePositions.put(node, point);
                }
                graphPoint.setLocation(node.getX(), node.getY());
                graphToScreenPoint(graphPoint, point);
            }
        }
    }
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    }
   
    public void refreshLegend(Graph graph) {
        m_legend.clear();
        for (Iterator i = graph.getAllNodes().iterator(); i.hasNext();) {
            Node node = (Node) i.next();
            NodePainter nodePainter = getPainterForNode(node);
            m_legend.add(new NodeLegendItem(node.getClass(), nodePainter, node.getNodeType()));
        }
    }
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Related Classes of net.sourceforge.jpowergraph.Node

  • net.sourceforge.jpowergraph.defaults.DefaultGraph
  • net.sourceforge.jpowergraph.example.Example
  • net.sourceforge.jpowergraph.layout.spring.SpringLayoutStrategy
  • net.sourceforge.jpowergraph.manipulator.edge.EdgeCreatorManipulator
  • net.sourceforge.jpowergraph.manipulator.selection.DefaultNodeSelectionModel$GraphHandler
  • net.sourceforge.jpowergraph.manipulator.selection.DoubleClickManipulator
  • net.sourceforge.jpowergraph.manipulator.selection.HighlightingManipulator
  • net.sourceforge.jpowergraph.manipulator.selection.SelectionManipulator
  • net.sourceforge.jpowergraph.swt.manipulator.SWTPopupDisplayer
  • net.sourceforge.jpowergraph.swt.SWTJGraphPane
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