From 9f3dcbe7dfeb11f976b8f5755d5f10fd4e0c77f7 Mon Sep 17 00:00:00 2001
From: niemisto <niemisto@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Tue, 26 Jan 2010 19:37:15 +0000
Subject: [PATCH] added trend view and automatic simulation

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@13654 ac1ea38d-2e2b-0410-8846-a27921b304fc
---
 org.simantics.sysdyn.ui/META-INF/MANIFEST.MF  |   5 +-
 org.simantics.sysdyn.ui/plugin.xml            |   7 +
 .../ui/project/SysdynPerspectiveFactory.java  |   1 +
 .../simantics/sysdyn/ui/trend/TrendView.java  | 188 ++++++++++++++++++
 4 files changed, 200 insertions(+), 1 deletion(-)
 create mode 100644 org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/trend/TrendView.java

diff --git a/org.simantics.sysdyn.ui/META-INF/MANIFEST.MF b/org.simantics.sysdyn.ui/META-INF/MANIFEST.MF
index 0933d0c5..5dbc6465 100644
--- a/org.simantics.sysdyn.ui/META-INF/MANIFEST.MF
+++ b/org.simantics.sysdyn.ui/META-INF/MANIFEST.MF
@@ -18,6 +18,9 @@ Require-Bundle: org.simantics.h2d;bundle-version="1.0.0",
  org.simantics.project;bundle-version="1.0.0",
  org.apache.log4j;bundle-version="1.2.15",
  org.eclipse.jface.text;bundle-version="3.5.0",
- org.eclipse.ui.editors;bundle-version="3.5.0"
+ org.eclipse.ui.editors;bundle-version="3.5.0",
+ org.jfree.jchart;bundle-version="1.0.13",
+ org.jfree.jcommon;bundle-version="1.0.16",
+ org.simantics.modelica;bundle-version="1.0.0"
 Bundle-Activator: org.simantics.sysdyn.ui.Activator
 Bundle-ActivationPolicy: lazy
diff --git a/org.simantics.sysdyn.ui/plugin.xml b/org.simantics.sysdyn.ui/plugin.xml
index 1c9024bd..5aca244f 100644
--- a/org.simantics.sysdyn.ui/plugin.xml
+++ b/org.simantics.sysdyn.ui/plugin.xml
@@ -43,6 +43,13 @@
             name="Equation View"
             restorable="true">
       </view>
+      <view
+            category="org.simantics.sysdyn.ui.category"
+            class="org.simantics.sysdyn.ui.trend.TrendView"
+            id="org.simantics.sysdyn.ui.trend.view"
+            name="Trend View"
+            restorable="true">
+      </view>
    </extension>
    <extension
          point="org.eclipse.ui.perspectives">
diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/project/SysdynPerspectiveFactory.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/project/SysdynPerspectiveFactory.java
index 9f6b2570..3ae01916 100644
--- a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/project/SysdynPerspectiveFactory.java
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/project/SysdynPerspectiveFactory.java
@@ -16,6 +16,7 @@ public class SysdynPerspectiveFactory implements IPerspectiveFactory {
         
         IFolderLayout bottom = layout.createFolder("bottom", IPageLayout.BOTTOM, 0.75f, editorArea);
         bottom.addView("org.simantics.sysdyn.ui.equation.view");
+        bottom.addView("org.simantics.sysdyn.ui.trend.view");
     }
 
 }
diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/trend/TrendView.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/trend/TrendView.java
new file mode 100644
index 00000000..8b5b685b
--- /dev/null
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/trend/TrendView.java
@@ -0,0 +1,188 @@
+package org.simantics.sysdyn.ui.trend;
+
+import java.awt.Frame;
+import java.io.IOException;
+
+import javax.swing.SwingUtilities;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.awt.SWT_AWT;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.ISelectionListener;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.part.ViewPart;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.axis.NumberAxis;
+import org.jfree.chart.plot.XYPlot;
+import org.jfree.chart.renderer.xy.XYSplineRenderer;
+import org.jfree.data.xy.AbstractXYDataset;
+import org.simantics.db.Builtins;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.modelica.data.DataSet;
+import org.simantics.modelica.data.SimulationResult;
+import org.simantics.sysdyn.SysdynResource;
+import org.simantics.sysdyn.manager.SysdynModel;
+import org.simantics.sysdyn.manager.SysdynModelManager;
+import org.simantics.sysdyn.representation.IElement;
+import org.simantics.sysdyn.representation.Variable;
+import org.simantics.ui.SimanticsUI;
+import org.simantics.utils.ui.jface.ActiveSelectionProvider;
+
+public class TrendView extends ViewPart {
+
+    Frame frame;
+    ChartPanel panel;
+    SysdynDataset sysdynDataset = new SysdynDataset();
+    
+    class SysdynDataset extends AbstractXYDataset {
+
+        DataSet[] sets = new DataSet[0];
+        
+        public void setDatasets(DataSet[] sets) {
+            this.sets = sets;
+            fireDatasetChanged();
+        }
+        
+        @Override
+        public Number getY(int series, int item) {
+            return sets[series].values[item];
+        }
+        
+        @Override
+        public Number getX(int series, int item) {
+            return sets[series].times[item];
+        }
+        
+        @Override
+        public int getItemCount(int series) {
+            return sets[series].times.length;
+        }
+        
+        @Override
+        public Comparable getSeriesKey(int series) {
+            return sets[series].name;
+        }
+        
+        @Override
+        public int getSeriesCount() {            
+            return sets.length;
+        }
+        
+    }
+    
+    @Override
+    public void createPartControl(Composite parent) {        
+        final ActiveSelectionProvider selectionProvider = new ActiveSelectionProvider();
+        getSite().setSelectionProvider(selectionProvider);
+        
+        final Composite composite = new Composite(parent, 
+                SWT.NO_BACKGROUND | SWT.EMBEDDED);
+        frame = SWT_AWT.new_Frame(composite);
+        
+        SwingUtilities.invokeLater(new Runnable() {
+
+            @Override
+            public void run() {              
+                XYPlot plot = new XYPlot(
+                        sysdynDataset,
+                        new NumberAxis("x"),
+                        new NumberAxis("time"),
+                        new XYSplineRenderer()
+                        );
+                
+                JFreeChart chart = new JFreeChart(plot);
+                panel = new ChartPanel(chart);
+                frame.add(panel);
+                             
+                panel.requestFocus();
+            }
+            
+        });
+        
+        getSite().getWorkbenchWindow().getSelectionService().addPostSelectionListener(new ISelectionListener() {
+            
+            @Override
+            public void selectionChanged(IWorkbenchPart part, ISelection selection) {
+                if(selection instanceof IStructuredSelection) {
+                    Object[] els = ((IStructuredSelection) selection).toArray();
+                    Resource[] resources = new Resource[els.length];
+                    for(int i=0;i<els.length;++i) {
+                        if(els[i] instanceof Resource)
+                            resources[i] = (Resource)els[i];
+                        else
+                            return;
+                    }
+                    load(resources);
+                }                
+            }
+        });
+                
+                /*composite.getDisplay().asyncExec(new Runnable() {
+
+                    @Override
+                    public void run() {
+                        // Do something
+                    }
+                    
+                });*/            
+    }
+    
+    protected DataSet load(ReadGraph g, Resource resource) throws DatabaseException {
+        Builtins b = g.getBuiltins();
+        SysdynResource sr = SysdynResource.getInstance(g);
+        if(g.isInstanceOf(resource, sr.Variable)) {
+            Resource configuration = g.getPossibleObject(resource, b.PartOf);
+            if(g.isInstanceOf(configuration, sr.Configuration)) {
+                SysdynModel model = 
+                    SysdynModelManager.getInstance(g.getSession()).getModel(configuration);
+                boolean updated = model.update();
+                IElement element = model.getElement(resource);
+                if(element instanceof Variable) {
+                    Variable var = (Variable)element;
+                    
+                    try {
+                        if(updated || model.getResult() == null)
+                            model.simulate();
+                    } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                    }
+                    SimulationResult result = model.getResult();
+                    return result.getDataSet(var.getName());
+                }                       
+            }
+        }
+        return null;
+    }
+    
+    protected void load(final Resource[] resources) {
+        SimanticsUI.getSession().asyncRequest(new ReadRequest() {            
+            @Override
+            public void run(ReadGraph g) throws DatabaseException {
+                SysdynResource sr = SysdynResource.getInstance(g);
+                
+                DataSet[] sets = new DataSet[resources.length];
+                for(int i=0;i<resources.length;++i) {
+                    sets[i] = load(g, resources[i]);
+                    if(sets[i] == null)
+                        return;
+                }
+                
+                sysdynDataset.setDatasets(sets);
+            }
+        });
+    }
+
+    @Override
+    public void setFocus() {
+        if(panel != null)
+            panel.requestFocus();      
+    }
+
+}
-- 
2.47.1