1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.diagram.elements;
14 import java.awt.Graphics2D;
15 import java.util.List;
18 import org.simantics.g2d.canvas.ICanvasContext;
19 import org.simantics.g2d.diagram.participant.Selection;
20 import org.simantics.g2d.element.IElement;
21 import org.simantics.scenegraph.ExportableWidget.RasterOutputWidget;
22 import org.simantics.scenegraph.INode;
23 import org.simantics.scenegraph.g2d.IG2DNode;
24 import org.simantics.scenegraph.g2d.events.EventTypes;
25 import org.simantics.scenegraph.g2d.events.KeyEvent.KeyPressedEvent;
26 import org.simantics.scenegraph.g2d.events.MouseEvent.MouseClickEvent;
27 import org.simantics.scenegraph.g2d.events.command.CommandEvent;
28 import org.simantics.scenegraph.g2d.nodes.SVGNodeAssignment;
29 import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
30 import org.simantics.scenegraph.utils.NodeUtil;
32 import com.kitfox.svg.SVGDiagram;
33 import com.kitfox.svg.SVGException;
36 public class SVGNode extends org.simantics.scenegraph.g2d.nodes.SVGNode {
38 private static final long serialVersionUID = 4735066193941274186L;
40 transient EditorStateManager esm = null;
41 transient boolean parametersProcessed = false;
44 public void cleanup() {
46 removeEventHandler(this);
51 public void render(Graphics2D g2d) {
52 if (!parametersProcessed) {
53 SingleElementNode sne = getSingleElementNode();
54 Boolean enableEditing = sne.getParameter("enableEditing");
55 if (enableEditing != null && enableEditing) {
56 esm = new EditorStateManager(this);
57 addEventHandler(this);
59 parametersProcessed = true;
66 protected int dynamicHash() {
67 return esm != null ? esm.currentHash() : 0;
71 protected boolean applyAssignments(SVGDiagram diagram, List<SVGNodeAssignment> assignments) throws SVGException {
72 boolean changed = super.applyAssignments(diagram, assignments);
73 if (esm != null && !esm.applyEditMode(diagram))
74 diagram.updateTime(0);
78 private boolean isSelected(IG2DNode node) {
79 ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
80 IElement ie = DiagramNodeUtil.getElement(ctx, node);
83 Selection sel = ctx.getAtMostOneItemOfClass(Selection.class);
85 Set<IElement> elems = sel.getSelection(0);
86 if (elems.size() == 1 && elems.contains(ie))
92 private boolean isSelected() {
93 SingleElementNode sne = getSingleElementNode();
96 INode n = sne.getParent();
98 if (isSelected((IG2DNode)n))
106 protected boolean mouseClicked(MouseClickEvent e) {
108 if(esm.isEditMode()) {
110 esm.deactivateEdit();
114 if(esm.tryToStartEditMode(diagramCache, e))
118 return super.mouseClicked(e);
121 SingleElementNode getSingleElementNode() {
122 ICanvasContext ctx = DiagramNodeUtil.getCanvasContext(this);
123 // FIXME: needed only because eventdelegator registrations are done before adding node to scene graph.
126 return (SingleElementNode)NodeUtil.getNearestParentOfType(this, SingleElementNode.class);
130 protected boolean keyPressed(KeyPressedEvent e) {
131 if (esm != null && esm.keyPressed(e))
133 return super.keyPressed(e);
137 protected boolean handleCommand(CommandEvent e) {
140 && "org.eclipse.ui.edit.rename".equals(e.command.id)
142 && esm.tryToStartEditMode(diagramCache)) {
145 return super.handleCommand(e);
149 public int getEventMask() {
150 return EventTypes.KeyPressedMask | EventTypes.MouseClickMask | EventTypes.CommandMask;