-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.diagram.handler;\r
-\r
-import java.awt.BasicStroke;\r
-import java.awt.Color;\r
-import java.awt.Shape;\r
-import java.awt.geom.Area;\r
-import java.awt.geom.Path2D;\r
-import java.util.Collection;\r
-import java.util.concurrent.Future;\r
-import java.util.concurrent.TimeUnit;\r
-\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.canvas.SGDesignation;\r
-import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;\r
-import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup;\r
-import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;\r
-import org.simantics.g2d.element.ElementClass;\r
-import org.simantics.g2d.element.ElementHints;\r
-import org.simantics.g2d.element.ElementUtils;\r
-import org.simantics.g2d.element.IElement;\r
-import org.simantics.g2d.element.handler.SelectionOutline;\r
-import org.simantics.scenegraph.g2d.G2DParentNode;\r
-import org.simantics.scenegraph.g2d.nodes.ShapeNode;\r
-import org.simantics.scenegraph.g2d.nodes.SingleElementNode;\r
-import org.simantics.utils.datastructures.hints.IHintContext.Key;\r
-import org.simantics.utils.datastructures.hints.IHintListener;\r
-import org.simantics.utils.datastructures.hints.IHintObservable;\r
-import org.simantics.utils.threads.ThreadUtils;\r
-\r
-/**\r
- * This participant highlights the specified DiagramSelection on its source\r
- * diagram as a stroked frame tightly surrounding the selected elements.\r
- * \r
- * @author Tuukka Lehtonen\r
- */\r
-public class HighlightMode extends AbstractCanvasParticipant implements IHintListener {\r
-\r
- private final Color CUT_COLOR = Color.ORANGE;\r
- private final Color COPY_COLOR = new Color(128, 220, 150);\r
-\r
- private final BasicStroke DEFAULT_STROKE = new BasicStroke(3.0f);\r
-\r
- DiagramSelection selection;\r
- int selectionId;\r
- int paintPriority;\r
-\r
- SingleElementNode highlightNode;\r
- Collection<IElement> highlightElements;\r
-\r
- public HighlightMode(DiagramSelection selection, int selectionId, int paintPriority) {\r
- this.selection = selection;\r
- this.selectionId = selectionId;\r
- this.paintPriority = paintPriority;\r
- }\r
-\r
- @SGInit(designation = SGDesignation.CANVAS)\r
- public void init(G2DParentNode parent) {\r
- highlightNode = parent.addNode("cut/copy source highlight", SingleElementNode.class);\r
- highlightNode.setZIndex(paintPriority);\r
- highlightNode.setVisible(false);\r
-\r
- // This slows rendering down too much to use.\r
- //highlightNode.setComposite(AlphaComposite.SrcOver.derive(0.4f));\r
-\r
- this.highlightElements = selection.getOriginalElements();\r
-\r
- for (IElement e : highlightElements)\r
- e.addHintListener(this);\r
-\r
- paintSelectionFrames(highlightNode, selection, selectionId);\r
- }\r
-\r
- @SGCleanup\r
- public void cleanupSG() {\r
- for (IElement e : highlightElements)\r
- e.removeHintListener(this);\r
-\r
- highlightNode.remove();\r
- }\r
-\r
- void paintSelectionFrames(G2DParentNode parentNode, DiagramSelection selection, int selectionId) {\r
- Area cutArea = new Area();\r
- for (IElement e : selection.getOriginalElements()) {\r
- ElementClass ec = e.getElementClass();\r
- SelectionOutline so = ec.getAtMostOneItemOfClass(SelectionOutline.class);\r
- Shape shape = so != null ? so.getSelectionShape(e) : ElementUtils.getElementShapeOrBoundsOnDiagram(e);\r
- cutArea.add(new Area(shape));\r
- }\r
- if (!cutArea.isEmpty()) {\r
- // Is rendering of Area slower than Path2D?\r
- Path2D.Double path = new Path2D.Double(cutArea);\r
-\r
- ShapeNode shapeNode = parentNode.getOrCreateNode("highlight", ShapeNode.class);\r
- shapeNode.setShape(path);\r
- shapeNode.setScaleStroke(true);\r
- shapeNode.setStroke(DEFAULT_STROKE);\r
- shapeNode.setFill(false);\r
- shapeNode.setColor(selection.isCut() ? CUT_COLOR : COPY_COLOR);\r
-\r
- highlightNode.setVisible(true);\r
- }\r
- }\r
-\r
- @Override\r
- public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {\r
- if (key == ElementHints.KEY_TRANSFORM) {\r
- //System.out.println("transform changed for " + sender + " to " + newValue);\r
- highlightNode.setVisible(false);\r
- deferredHighlightUpdate();\r
- }\r
- }\r
-\r
- @Override\r
- public void hintRemoved(IHintObservable sender, Key key, Object oldValue) {\r
- }\r
-\r
- Future<?> updateTask;\r
-\r
- private synchronized void deferredHighlightUpdate() {\r
- if (updateTask == null) {\r
- updateTask = ThreadUtils.getNonBlockingWorkExecutor().schedule(\r
- updateScheduler,\r
- 100,\r
- TimeUnit.MILLISECONDS);\r
- }\r
- }\r
-\r
- Runnable updateScheduler = new Runnable() {\r
- @Override\r
- public void run() {\r
- ICanvasContext ctx = getContext();\r
- if (ctx != null)\r
- ThreadUtils.asyncExec(ctx.getThreadAccess(), painter);\r
- }\r
- };\r
-\r
- Runnable painter = new Runnable() {\r
- @Override\r
- public void run() {\r
- if (!isRemoved())\r
- paintSelectionFrames(highlightNode, selection, selectionId);\r
- updateTask = null;\r
- }\r
- };\r
-\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.diagram.handler;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Shape;
+import java.awt.geom.Area;
+import java.awt.geom.Path2D;
+import java.util.Collection;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.canvas.SGDesignation;
+import org.simantics.g2d.canvas.impl.AbstractCanvasParticipant;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGCleanup;
+import org.simantics.g2d.canvas.impl.SGNodeReflection.SGInit;
+import org.simantics.g2d.element.ElementClass;
+import org.simantics.g2d.element.ElementHints;
+import org.simantics.g2d.element.ElementUtils;
+import org.simantics.g2d.element.IElement;
+import org.simantics.g2d.element.handler.SelectionOutline;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.nodes.ShapeNode;
+import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
+import org.simantics.utils.datastructures.hints.IHintContext.Key;
+import org.simantics.utils.datastructures.hints.IHintListener;
+import org.simantics.utils.datastructures.hints.IHintObservable;
+import org.simantics.utils.threads.ThreadUtils;
+
+/**
+ * This participant highlights the specified DiagramSelection on its source
+ * diagram as a stroked frame tightly surrounding the selected elements.
+ *
+ * @author Tuukka Lehtonen
+ */
+public class HighlightMode extends AbstractCanvasParticipant implements IHintListener {
+
+ private final Color CUT_COLOR = Color.ORANGE;
+ private final Color COPY_COLOR = new Color(128, 220, 150);
+
+ private final BasicStroke DEFAULT_STROKE = new BasicStroke(3.0f);
+
+ DiagramSelection selection;
+ int selectionId;
+ int paintPriority;
+
+ SingleElementNode highlightNode;
+ Collection<IElement> highlightElements;
+
+ public HighlightMode(DiagramSelection selection, int selectionId, int paintPriority) {
+ this.selection = selection;
+ this.selectionId = selectionId;
+ this.paintPriority = paintPriority;
+ }
+
+ @SGInit(designation = SGDesignation.CANVAS)
+ public void init(G2DParentNode parent) {
+ highlightNode = parent.addNode("cut/copy source highlight", SingleElementNode.class);
+ highlightNode.setZIndex(paintPriority);
+ highlightNode.setVisible(false);
+
+ // This slows rendering down too much to use.
+ //highlightNode.setComposite(AlphaComposite.SrcOver.derive(0.4f));
+
+ this.highlightElements = selection.getOriginalElements();
+
+ for (IElement e : highlightElements)
+ e.addHintListener(this);
+
+ paintSelectionFrames(highlightNode, selection, selectionId);
+ }
+
+ @SGCleanup
+ public void cleanupSG() {
+ for (IElement e : highlightElements)
+ e.removeHintListener(this);
+
+ highlightNode.remove();
+ }
+
+ void paintSelectionFrames(G2DParentNode parentNode, DiagramSelection selection, int selectionId) {
+ Area cutArea = new Area();
+ for (IElement e : selection.getOriginalElements()) {
+ ElementClass ec = e.getElementClass();
+ SelectionOutline so = ec.getAtMostOneItemOfClass(SelectionOutline.class);
+ Shape shape = so != null ? so.getSelectionShape(e) : ElementUtils.getElementShapeOrBoundsOnDiagram(e);
+ cutArea.add(new Area(shape));
+ }
+ if (!cutArea.isEmpty()) {
+ // Is rendering of Area slower than Path2D?
+ Path2D.Double path = new Path2D.Double(cutArea);
+
+ ShapeNode shapeNode = parentNode.getOrCreateNode("highlight", ShapeNode.class);
+ shapeNode.setShape(path);
+ shapeNode.setScaleStroke(true);
+ shapeNode.setStroke(DEFAULT_STROKE);
+ shapeNode.setFill(false);
+ shapeNode.setColor(selection.isCut() ? CUT_COLOR : COPY_COLOR);
+
+ highlightNode.setVisible(true);
+ }
+ }
+
+ @Override
+ public void hintChanged(IHintObservable sender, Key key, Object oldValue, Object newValue) {
+ if (key == ElementHints.KEY_TRANSFORM) {
+ //System.out.println("transform changed for " + sender + " to " + newValue);
+ highlightNode.setVisible(false);
+ deferredHighlightUpdate();
+ }
+ }
+
+ @Override
+ public void hintRemoved(IHintObservable sender, Key key, Object oldValue) {
+ }
+
+ Future<?> updateTask;
+
+ private synchronized void deferredHighlightUpdate() {
+ if (updateTask == null) {
+ updateTask = ThreadUtils.getNonBlockingWorkExecutor().schedule(
+ updateScheduler,
+ 100,
+ TimeUnit.MILLISECONDS);
+ }
+ }
+
+ Runnable updateScheduler = new Runnable() {
+ @Override
+ public void run() {
+ ICanvasContext ctx = getContext();
+ if (ctx != null)
+ ThreadUtils.asyncExec(ctx.getThreadAccess(), painter);
+ }
+ };
+
+ Runnable painter = new Runnable() {
+ @Override
+ public void run() {
+ if (!isRemoved())
+ paintSelectionFrames(highlightNode, selection, selectionId);
+ updateTask = null;
+ }
+ };
+
}
\ No newline at end of file
Code Review / simantics / platform.git / blobdiff