-/*******************************************************************************\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.graphviz.drawable;\r
-\r
-import java.awt.Graphics2D;\r
-import java.awt.geom.Rectangle2D;\r
-import java.util.concurrent.Semaphore;\r
-import java.util.concurrent.TimeUnit;\r
-\r
-import org.simantics.graphviz.Graph;\r
-import org.simantics.graphviz.Graphs;\r
-import org.simantics.graphviz.continuation.Computation;\r
-import org.simantics.graphviz.continuation.Continuation;\r
-import org.simantics.graphviz.internal.xdot.DrawCommand;\r
-import org.simantics.graphviz.internal.xdot.DrawCommandParser;\r
-\r
-/**\r
- * A drawable that draws a given graph.\r
- * \r
- * @author Hannu Niemist�\r
- */\r
-public class GraphDrawable implements Drawable {\r
-\r
- private static String DEFAULT_ALGORITHM = "dot";\r
- \r
- DrawCommand[] commands;\r
- Rectangle2D bounds;\r
- \r
- \r
- private Graph graph;\r
- private String algorithm;\r
- \r
- public GraphDrawable(Graph graph, String algorithm) {\r
- setGraph(graph, algorithm);\r
- }\r
- \r
- public GraphDrawable(Graph graph) {\r
- setGraph(graph);\r
- }\r
- \r
- public GraphDrawable() {\r
- commands = new DrawCommand[0];\r
- bounds = new Rectangle2D.Double(0, 0, 100, 100);\r
- }\r
- \r
- \r
- public Graph getGraph() {\r
- return graph;\r
- }\r
- \r
- public String getAlgorithm() {\r
- return algorithm;\r
- }\r
- /**\r
- * Sets a new graph to be drawn. This operation may take a while. It can\r
- * be called from any thread.\r
- * @param graph\r
- */\r
- public void setGraph(Graph graph) {\r
- setGraph(graph, DEFAULT_ALGORITHM);\r
- }\r
- \r
- /**\r
- * Sets a new graph to be drawn. This operation may take a while. It can\r
- * be called from any thread.\r
- * @param graph\r
- */\r
- public Computation<Graph> setGraph(Graph graph, String algorithm) {\r
- this.graph = graph;\r
- this.algorithm = algorithm;\r
- Computation<Graph> computation = Graphs.createXDot(graph, algorithm);\r
- final Semaphore semaphore = new Semaphore(0);\r
- computation.addContinuation(new Continuation<Graph>() {\r
- @Override\r
- public void succeeded(Graph xgraph) {\r
- commands = DrawCommandParser.parse(xgraph);\r
- readBoundingBox(xgraph);\r
- semaphore.release();\r
- }\r
-\r
- @Override\r
- public void failed(Exception exception) {\r
- exception.printStackTrace();\r
- semaphore.release();\r
- }\r
- });\r
- try {\r
- semaphore.tryAcquire(5L, TimeUnit.SECONDS);\r
- } catch (InterruptedException e) {\r
- e.printStackTrace();\r
- }\r
- return computation;\r
- }\r
- \r
- private void readBoundingBox(Graph graph) {\r
- String[] parts = graph.get("bb").split(",");\r
- double minX = Double.parseDouble(parts[0]);\r
- double maxY = -Double.parseDouble(parts[1]);\r
- double maxX = Double.parseDouble(parts[2]);\r
- double minY = -Double.parseDouble(parts[3]);\r
- bounds = new Rectangle2D.Double(minX, minY, maxX-minX, maxY-minY);\r
- }\r
- \r
- @Override\r
- public synchronized Rectangle2D getBounds() {\r
- if(bounds == null)\r
- System.err.println("bounds == null");\r
- return bounds;\r
- }\r
- \r
- @Override\r
- public synchronized void draw(Graphics2D g, Rectangle2D area) {\r
- for(DrawCommand command : commands)\r
- command.draw(g);\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.graphviz.drawable;
+
+import java.awt.Graphics2D;
+import java.awt.geom.Rectangle2D;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
+
+import org.simantics.graphviz.Graph;
+import org.simantics.graphviz.Graphs;
+import org.simantics.graphviz.continuation.Computation;
+import org.simantics.graphviz.continuation.Continuation;
+import org.simantics.graphviz.internal.xdot.DrawCommand;
+import org.simantics.graphviz.internal.xdot.DrawCommandParser;
+
+/**
+ * A drawable that draws a given graph.
+ *
+ * @author Hannu Niemist�
+ */
+public class GraphDrawable implements Drawable {
+
+ private static String DEFAULT_ALGORITHM = "dot";
+
+ DrawCommand[] commands;
+ Rectangle2D bounds;
+
+
+ private Graph graph;
+ private String algorithm;
+
+ public GraphDrawable(Graph graph, String algorithm) {
+ setGraph(graph, algorithm);
+ }
+
+ public GraphDrawable(Graph graph) {
+ setGraph(graph);
+ }
+
+ public GraphDrawable() {
+ commands = new DrawCommand[0];
+ bounds = new Rectangle2D.Double(0, 0, 100, 100);
+ }
+
+
+ public Graph getGraph() {
+ return graph;
+ }
+
+ public String getAlgorithm() {
+ return algorithm;
+ }
+ /**
+ * Sets a new graph to be drawn. This operation may take a while. It can
+ * be called from any thread.
+ * @param graph
+ */
+ public void setGraph(Graph graph) {
+ setGraph(graph, DEFAULT_ALGORITHM);
+ }
+
+ /**
+ * Sets a new graph to be drawn. This operation may take a while. It can
+ * be called from any thread.
+ * @param graph
+ */
+ public Computation<Graph> setGraph(Graph graph, String algorithm) {
+ this.graph = graph;
+ this.algorithm = algorithm;
+ Computation<Graph> computation = Graphs.createXDot(graph, algorithm);
+ final Semaphore semaphore = new Semaphore(0);
+ computation.addContinuation(new Continuation<Graph>() {
+ @Override
+ public void succeeded(Graph xgraph) {
+ commands = DrawCommandParser.parse(xgraph);
+ readBoundingBox(xgraph);
+ semaphore.release();
+ }
+
+ @Override
+ public void failed(Exception exception) {
+ exception.printStackTrace();
+ semaphore.release();
+ }
+ });
+ try {
+ semaphore.tryAcquire(5L, TimeUnit.SECONDS);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ return computation;
+ }
+
+ private void readBoundingBox(Graph graph) {
+ String[] parts = graph.get("bb").split(",");
+ double minX = Double.parseDouble(parts[0]);
+ double maxY = -Double.parseDouble(parts[1]);
+ double maxX = Double.parseDouble(parts[2]);
+ double minY = -Double.parseDouble(parts[3]);
+ bounds = new Rectangle2D.Double(minX, minY, maxX-minX, maxY-minY);
+ }
+
+ @Override
+ public synchronized Rectangle2D getBounds() {
+ if(bounds == null)
+ System.err.println("bounds == null");
+ return bounds;
+ }
+
+ @Override
+ public synchronized void draw(Graphics2D g, Rectangle2D area) {
+ for(DrawCommand command : commands)
+ command.draw(g);
+ }
+
+}
Code Review / simantics / platform.git / blobdiff