From: luukkainen <luukkainen@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Thu, 8 May 2014 12:50:12 +0000 (+0000)
Subject: STWAWTComponent based ChartComposite
X-Git-Tag: 1.8.1~65
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=527b0d71510dbc8592b54bd0719bff909a66888b;p=simantics%2Fsysdyn.git

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
index 00000000..20a2c1cd
--- /dev/null
+++ b/org.simantics.jfreechart/src/org/simantics/jfreechart/chart/ChartComposite2.java
@@ -0,0 +1,162 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 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.jfreechart.chart;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.GridLayout;
+
+import javax.swing.JPanel;
+
+import org.eclipse.swt.widgets.Composite;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.simantics.Simantics;
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncListener;
+import org.simantics.db.request.Read;
+import org.simantics.sysdyn.JFreeChartResource;
+import org.simantics.ui.SimanticsUI;
+import org.simantics.utils.threads.AWTThread;
+import org.simantics.utils.threads.ThreadUtils;
+import org.simantics.utils.ui.SWTAWTComponent;
+
+/**
+ * Composite containing a single chart defined by a JFreeChart.Chart
+ * 
+ * Similar to ChartComposite, but uses SWTAWTComponent as a base implementation. 
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ * 
+ */
+public class ChartComposite2 extends SWTAWTComponent {
+
+	private JPanel jPanel;
+    private ChartPanel chartPanel;
+    private IJFreeChart chart;
+
+    public ChartComposite2(Composite parent, final String chartResourceURI, int style) {
+		super(parent, style);
+		try {
+            Resource chartResource = SimanticsUI.getSession().syncRequest(new Read<Resource>() {
+
+                @Override
+                public Resource perform(ReadGraph graph) throws DatabaseException {
+                    return graph.getPossibleResource(chartResourceURI);
+                }
+
+            });
+            if(chartResource != null)
+            	 CreateContent(chartResource);
+        } catch (DatabaseException e) {
+            e.printStackTrace();
+        }
+		syncPopulate();
+	}
+    
+    public ChartComposite2(Composite parent, final Resource chartResource, int style) {
+    	super(parent, style);
+    	CreateContent(chartResource);
+    	syncPopulate();
+    }
+
+	@Override
+    protected Component createSwingComponent() {
+    	jPanel = new JPanel();
+    	jPanel.setLayout(new GridLayout(1, 1));
+    	if (chartPanel != null)
+    		jPanel.add(chartPanel);
+    	jPanel.doLayout();
+    	return jPanel;
+    }
+	
+	private void setPanel(final ChartPanel panel) {
+		ThreadUtils.asyncExec(AWTThread.getThreadAccess(), new Runnable() {
+			
+			@Override
+			public void run() {
+				if (jPanel == null) {
+					chartPanel = panel;
+				} else {
+					jPanel.removeAll();
+
+					chartPanel = panel;
+					jPanel.add(chartPanel, BorderLayout.CENTER);
+					jPanel.add(chartPanel);
+					jPanel.doLayout();
+				}
+				
+			}
+		});
+	}
+
+    /**
+     * Creates and displays the chart defined in chartResource
+     * @param chartResource
+     */
+    private void CreateContent(final Resource chartResource) {
+
+        // Add a listener displaying the contents of the chart. Chart is re-drawn if the definition changes
+        Simantics.getSession().asyncRequest(new Read<IJFreeChart>() {
+
+            @Override
+            public IJFreeChart perform(ReadGraph graph) throws DatabaseException {
+                // Adapt chartResource to a chart (XY, pie, bar, ...)
+                if(graph.isInstanceOf(chartResource, JFreeChartResource.getInstance(graph).Chart)) {
+                    if(chart != null)
+                        chart.dispose();
+                    chart = graph.adapt(chartResource, IJFreeChart.class);
+                    return chart;
+                } else {
+                    return null;
+                }
+            }
+
+        } , new AsyncListener<IJFreeChart>() {
+
+            @Override
+            public boolean isDisposed() {
+                return ChartComposite2.this.isDisposed();
+            }
+
+            @Override
+            public void execute(AsyncReadGraph graph, IJFreeChart chart) {
+                if(chart == null || ChartComposite2.this.isDisposed())
+                    return;
+                
+                JFreeChart jfreeChart = chart.getChart();
+
+                ChartPanel panel = new ChartPanel(jfreeChart,
+ 		               ChartPanel.DEFAULT_WIDTH,
+ 		               ChartPanel.DEFAULT_HEIGHT,
+ 		               ChartPanel.DEFAULT_MINIMUM_DRAW_WIDTH,
+ 		               ChartPanel.DEFAULT_MINIMUM_DRAW_HEIGHT,
+ 		               ChartPanel.DEFAULT_MAXIMUM_DRAW_WIDTH, 
+ 		               ChartPanel.DEFAULT_MAXIMUM_DRAW_HEIGHT,
+ 		               false,
+ 		               false, true, true, true, true);
+                setPanel(panel);
+               
+            }
+
+            @Override
+            public void exception(AsyncReadGraph graph, Throwable throwable) {
+                throwable.printStackTrace();
+
+            }
+        });
+    }
+
+}