Esempio n. 1
0
 protected void invalidate() {
   // Retrieve current bounds and set local vars
   Rectangle2D tmp = graph.getCellBounds(vertex.getCell());
   if (tmp != null) {
     tmp = (Rectangle2D) tmp.clone();
     graph.toScreen(tmp);
     int handlesize = graph.getHandleSize();
     int s2 = 2 * handlesize;
     double left = tmp.getX() - handlesize;
     double top = tmp.getY() - handlesize;
     double w2 = tmp.getX() + (tmp.getWidth() / 2) - handlesize;
     double h2 = tmp.getY() + (tmp.getHeight() / 2) - handlesize;
     double right = tmp.getX() + tmp.getWidth() - handlesize;
     double bottom = tmp.getY() + tmp.getHeight() - handlesize;
     // Update control point positions
     r[0].setFrame(left, top, s2, s2);
     r[1].setFrame(w2, top, s2, s2);
     r[2].setFrame(right, top, s2, s2);
     r[3].setFrame(left, h2, s2, s2);
     r[4].setFrame(right, h2, s2, s2);
     r[5].setFrame(left, bottom, s2, s2);
     r[6].setFrame(w2, bottom, s2, s2);
     r[7].setFrame(right, bottom, s2, s2);
   }
 }
Esempio n. 2
0
 public SizeHandle(VertexView vertexview, GraphContext ctx) {
   graph = ctx.getGraph();
   vertex = vertexview;
   editing = graph.getEditingCell() == vertex.getCell();
   int sizeableAxis = GraphConstants.getSizeableAxis(vertex.getAllAttributes());
   if (sizeableAxis == GraphConstants.X_AXIS) cursors = xCursors;
   else if (sizeableAxis == GraphConstants.Y_AXIS) cursors = yCursors;
   else cursors = defaultCursors;
   // PortView Preview
   portViews = ctx.createTemporaryPortViews();
   initialBounds = (Rectangle2D) vertex.getBounds().clone();
   context = ctx;
   for (int i = 0; i < r.length; i++) r[i] = new Rectangle2D.Double();
   invalidate();
 }
Esempio n. 3
0
 /** Process mouse pressed event. */
 public void mousePressed(MouseEvent event) {
   if (!graph.isSizeable()) return;
   for (int i = 0; i < r.length; i++) {
     if (r[i].contains(event.getPoint()) && cursors[i] != 0) {
       Set set = new HashSet();
       set.add(vertex.getCell());
       contextViews = context.createTemporaryContextViews(set);
       Object[] all = AbstractCellView.getDescendantViews(new CellView[] {vertex});
       if (all.length >= org.jgraph.plaf.basic.BasicGraphUI.MAXHANDLES)
         cachedBounds = (Rectangle2D) initialBounds.clone();
       event.consume();
       index = i;
       return;
     }
   }
 }