STWAWTComponent based ChartComposite

refs #4865

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@29429 ac1ea38d-2e2b-0410-8846-a27921b304fc

diff --git a/org.simantics.jfreechart/src/org/simantics/jfreechart/chart/ChartComposite2.java b/org.simantics.jfreechart/src/org/simantics/jfreechart/chart/ChartComposite2.java
new file mode 100644 (file)
index 0000000..20a2c1c
--- /dev/null
+++ b/org.simantics.jfreechart/src/org/simantics/jfreechart/chart/ChartComposite2.java
@@ -0,0 +1,162 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
+ * 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.jfreechart.chart;\r
+\r
+import java.awt.BorderLayout;\r
+import java.awt.Component;\r
+import java.awt.GridLayout;\r
+\r
+import javax.swing.JPanel;\r
+\r
+import org.eclipse.swt.widgets.Composite;\r
+import org.jfree.chart.ChartPanel;\r
+import org.jfree.chart.JFreeChart;\r
+import org.simantics.Simantics;\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.AsyncListener;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.sysdyn.JFreeChartResource;\r
+import org.simantics.ui.SimanticsUI;\r
+import org.simantics.utils.threads.AWTThread;\r
+import org.simantics.utils.threads.ThreadUtils;\r
+import org.simantics.utils.ui.SWTAWTComponent;\r
+\r
+/**\r
+ * Composite containing a single chart defined by a JFreeChart.Chart\r
+ * \r
+ * Similar to ChartComposite, but uses SWTAWTComponent as a base implementation. \r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ * \r
+ */\r
+public class ChartComposite2 extends SWTAWTComponent {\r
+\r
+       private JPanel jPanel;\r
+    private ChartPanel chartPanel;\r
+    private IJFreeChart chart;\r
+\r
+    public ChartComposite2(Composite parent, final String chartResourceURI, int style) {\r
+               super(parent, style);\r
+               try {\r
+            Resource chartResource = SimanticsUI.getSession().syncRequest(new Read<Resource>() {\r
+\r
+                @Override\r
+                public Resource perform(ReadGraph graph) throws DatabaseException {\r
+                    return graph.getPossibleResource(chartResourceURI);\r
+                }\r
+\r
+            });\r
+            if(chartResource != null)\r
+                CreateContent(chartResource);\r
+        } catch (DatabaseException e) {\r
+            e.printStackTrace();\r
+        }\r
+               syncPopulate();\r
+       }\r
+    \r
+    public ChartComposite2(Composite parent, final Resource chartResource, int style) {\r
+       super(parent, style);\r
+       CreateContent(chartResource);\r
+       syncPopulate();\r
+    }\r
+\r
+       @Override\r
+    protected Component createSwingComponent() {\r
+       jPanel = new JPanel();\r
+       jPanel.setLayout(new GridLayout(1, 1));\r
+       if (chartPanel != null)\r
+               jPanel.add(chartPanel);\r
+       jPanel.doLayout();\r
+       return jPanel;\r
+    }\r
+       \r
+       private void setPanel(final ChartPanel panel) {\r
+               ThreadUtils.asyncExec(AWTThread.getThreadAccess(), new Runnable() {\r
+                       \r
+                       @Override\r
+                       public void run() {\r
+                               if (jPanel == null) {\r
+                                       chartPanel = panel;\r
+                               } else {\r
+                                       jPanel.removeAll();\r
+\r
+                                       chartPanel = panel;\r
+                                       jPanel.add(chartPanel, BorderLayout.CENTER);\r
+                                       jPanel.add(chartPanel);\r
+                                       jPanel.doLayout();\r
+                               }\r
+                               \r
+                       }\r
+               });\r
+       }\r
+\r
+    /**\r
+     * Creates and displays the chart defined in chartResource\r
+     * @param chartResource\r
+     */\r
+    private void CreateContent(final Resource chartResource) {\r
+\r
+        // Add a listener displaying the contents of the chart. Chart is re-drawn if the definition changes\r
+        Simantics.getSession().asyncRequest(new Read<IJFreeChart>() {\r
+\r
+            @Override\r
+            public IJFreeChart perform(ReadGraph graph) throws DatabaseException {\r
+                // Adapt chartResource to a chart (XY, pie, bar, ...)\r
+                if(graph.isInstanceOf(chartResource, JFreeChartResource.getInstance(graph).Chart)) {\r
+                    if(chart != null)\r
+                        chart.dispose();\r
+                    chart = graph.adapt(chartResource, IJFreeChart.class);\r
+                    return chart;\r
+                } else {\r
+                    return null;\r
+                }\r
+            }\r
+\r
+        } , new AsyncListener<IJFreeChart>() {\r
+\r
+            @Override\r
+            public boolean isDisposed() {\r
+                return ChartComposite2.this.isDisposed();\r
+            }\r
+\r
+            @Override\r
+            public void execute(AsyncReadGraph graph, IJFreeChart chart) {\r
+                if(chart == null || ChartComposite2.this.isDisposed())\r
+                    return;\r
+                \r
+                JFreeChart jfreeChart = chart.getChart();\r
+\r
+                ChartPanel panel = new ChartPanel(jfreeChart,\r
+                              ChartPanel.DEFAULT_WIDTH,\r
+                              ChartPanel.DEFAULT_HEIGHT,\r
+                              ChartPanel.DEFAULT_MINIMUM_DRAW_WIDTH,\r
+                              ChartPanel.DEFAULT_MINIMUM_DRAW_HEIGHT,\r
+                              ChartPanel.DEFAULT_MAXIMUM_DRAW_WIDTH, \r
+                              ChartPanel.DEFAULT_MAXIMUM_DRAW_HEIGHT,\r
+                              false,\r
+                              false, true, true, true, true);\r
+                setPanel(panel);\r
+               \r
+            }\r
+\r
+            @Override\r
+            public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+                throwable.printStackTrace();\r
+\r
+            }\r
+        });\r
+    }\r
+\r
+}\r