Package diva.canvas

Examples of diva.canvas.CanvasPane


        // FindBugs suggests making this class static so as to decrease
        // the size of instances and avoid dangling references.

        public Figure createFigure() {
            Figure bg = new BasicRectangle(10, 10, 20, 20, Color.blue);
            CanvasPane pane = new GraphicsPane();
            pane.setSize(300.0, 300.0);

            PaneWrapper wrapper = new PaneWrapper(pane);
            wrapper.setBackground(bg);
            return wrapper;
        }
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            public void run() throws Exception {
                canvas = factory.createJCanvas();
            }

            public void check() throws TestFailedException {
                CanvasPane pane = canvas.getCanvasPane();
                assertExpr(pane != null, "pane != null");
                assertExpr(pane.getClass().getName().equals(
                        "diva.canvas.GraphicsPane"), pane.getClass().getName()
                        + " != diva.canvas.GraphicsPane");
            }
        });
    }
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            public void run() throws Exception {
                canvas = factory.createJCanvas(pane);
            }

            public void check() throws TestFailedException {
                CanvasPane pane = canvas.getCanvasPane();
                assertExpr(pane != null, "pane != null");
                assertEquals(pane, this.pane, "pane == this.pane");
            }
        });
    }
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            // Set the position.
            _x = event.getX();
            _y = event.getY();

            // Set the parent.
            CanvasPane canvasPane = layer.getCanvasPane();
            parent = canvasPane.getCanvas();
        } else if (source instanceof JMenuItem) {
            // Action activated using a context menu or submenu.
            JMenuItem item = (JMenuItem) source;
            // Find the original context menu.
            Component contextMenu = item.getParent();
            if (!(contextMenu instanceof JContextMenu)) {
                // Probably a submenu.
                // FIXME: This only supports one level of submenus.
                if (contextMenu instanceof JPopupMenu) {
                    contextMenu = ((JPopupMenu) contextMenu).getInvoker();
                }
                if (contextMenu instanceof JMenu) {
                    contextMenu = contextMenu.getParent();
                }
            }
            if (contextMenu instanceof JContextMenu) {
                _sourceType = CONTEXTMENU_TYPE;
                JContextMenu menu = (JContextMenu) contextMenu;
                parent = menu.getInvoker();
                _target = (NamedObj) menu.getTarget();
                _x = item.getX();
                _y = item.getY();
            } else {
                // Not implicit location.. should there be?
                _sourceType = MENUBAR_TYPE;
            }
            /*
             } else if (source instanceof JMenuItem) {
             // Action activated using a context menu.
             JMenuItem item = (JMenuItem) source;

             if (item.getParent() instanceof JContextMenu) {
             _sourceType = CONTEXTMENU_TYPE;

             JContextMenu menu = (JContextMenu) item.getParent();
             parent = menu.getInvoker();
             _target = (NamedObj) menu.getTarget();
             _x = item.getX();
             _y = item.getY();
             } else {
             // Not implicit location.. should there be?
             _sourceType = MENUBAR_TYPE;
             }
             */
        } else if (source instanceof JButton) {
            // presumably we are in a toolbar...
            _sourceType = TOOLBAR_TYPE;
            _target = null;
            parent = ((Component) source).getParent();
        } else if (source instanceof JGraph) {
            // This is an absurdly convoluted way to get the info we need.
            // But there seems to be no other way.
            // This is an architectural flaw in vergil.
            GraphPane pane = ((JGraph) source).getGraphPane();
            FigureLayer layer = pane.getForegroundLayer();
            CanvasComponent currentFigure = layer.getCurrentFigure();
            GraphController controller = pane.getGraphController();
            GraphModel model = controller.getGraphModel();

            if (currentFigure != null) {
                _target = null;

                while ((_target == null) && (currentFigure != null)) {
                    Object object = currentFigure;

                    if (object instanceof Figure) {
                        object = ((Figure) currentFigure).getUserObject();
                    }

                    _target = (NamedObj) model.getSemanticObject(object);
                    currentFigure = currentFigure.getParent();
                }

                // NOTE: _target may end up null here!
                if (_target == null) {
                    throw new InternalErrorException(
                            "Internal error: Figure has no associated Ptolemy II object!");
                }
            } else {
                _target = (NamedObj) model.getRoot();
            }

            _sourceType = HOTKEY_TYPE;

            // FIXME: set _x and _y.  How to do this?
            _x = 0;
            _y = 0;

            // Set the parent.
            CanvasPane canvasPane = layer.getCanvasPane();
            parent = canvasPane.getCanvas();
        } else {
            _sourceType = null;
            _target = null;
            parent = null;
            _x = 0;
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