Package jsynoptic.plugins.jfreechart

Source Code of jsynoptic.plugins.jfreechart.PieChartShape$PlotPanel

/* ========================
* JSynoptic : a free Synoptic editor
* ========================
*
* Project Info:  http://jsynoptic.sourceforge.net/index.html
*
* This program is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* (C) Copyright 2001-2003, by :
*     Corporate:
*         Astrium SAS
*         EADS CRC
*     Individual:
*         Nicolas Brodu
*
* $Id: PieChartShape.java,v 1.9 2008/09/29 10:27:46 ogor Exp $
*
* Changes
* -------
* 05-Nov-2003 : Initial version (NB);
*
*/

package jsynoptic.plugins.jfreechart;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Paint;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.ResourceBundle;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
import javax.swing.undo.CompoundEdit;

import jsynoptic.base.ContextualActionProvider;
import jsynoptic.ui.JSynoptic;
import jsynoptic.ui.LongAction;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.Pie3DPlot;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.ui.ChartPropertyEditPanel;

import simtools.data.DataInfo;
import simtools.data.DataSource;
import simtools.data.DataSourceCollection;
import simtools.data.DataSourceListener;
import simtools.data.DataSourcePool;
import simtools.data.EndNotificationListener;
import simtools.shapes.AbstractShape;
import simtools.ui.ColorMapper;
import simtools.ui.DynamicColorChooser;
import simtools.ui.GenericMapper;
import simtools.ui.MapperListener;
import simtools.ui.NumberField;
import simtools.ui.ResourceFinder;
import simtools.ui.TextMapper;

/**
* A shape to manage JFreeChart Bar Charts
*/
public class PieChartShape extends ChartShape implements ContextualActionProvider, DataSourceListener, EndNotificationListener, MapperListener {

  static final long serialVersionUID = 7031896621461605415L;

  public static ResourceBundle resources = ResourceFinder.get(PieChartShape.class, StandardPlotShape.resources);

  protected Vector mappers;
  protected transient Vector mapperSources;
  protected transient boolean dirty = false;
 
 
  public PieChartShape(JFreeChart chart) {
    this(chart,0,0,300,300);
  }

  public PieChartShape(JFreeChart chart, int ox, int oy, int width, int height) {
    super(chart, ox, oy, width, height);
    PiePlot plot = (PiePlot)chart.getPlot();
    mapperSources = new Vector();
    mappers = new Vector();
  }

  /* (non-Javadoc)
   * @see jsynoptic.base.ContextualActionProvider#getActions(double, double, java.lang.Object, int)
   */
  public String[] getActions(double x, double y, Object o, int context) {
    if (context==MOUSE_OVER_CONTEXT) {
      return null;
    }

    if (context==MOUSE_OUT_CONTEXT) {
      return null;
    }

    if (context==MOUSE_PRESSED_CONTEXT) {
      return null;
    }

    Vector v = new Vector();
    v.add(resources.getString("Properties..."));

    if (o instanceof DataSource) {
      v.add(resources.getString("AddSource"));
    }
   
    else if (o instanceof DataSourceCollection) {
      v.add(resources.getString("SetSources"));
      v.add(resources.getString("AddSources"));
    }

    return (String[])v.toArray(new String[v.size()]);
  }

  /* (non-Javadoc)
   * @see jsynoptic.base.ContextualActionProvider#doAction(double, double, java.lang.Object, java.lang.String)
   */
  public boolean doAction(double x, double y, Object o, String action, CompoundEdit undoableEdit) {
    if (action.equals(resources.getString("Properties..."))) {
      new LongAction(LongAction.LONG_ACTION_SHAPE, null, this) {
        protected void doAction() {
          ChartPropertyEditPanel panel = new ChartPropertyEditPanel(chart);
          JTabbedPane tab = findTab(panel);
          PlotPanel plotPanel = null;
          if (tab!=null) tab.add(plotPanel = new PlotPanel(),0);
          int result = JOptionPane.showConfirmDialog(null, panel,
            resources.getString("ChartProperties"), JOptionPane.OK_CANCEL_OPTION,
            JOptionPane.PLAIN_MESSAGE);
          if (result == JOptionPane.OK_OPTION) {
            panel.updateChartProperties(chart);
            if (plotPanel!=null) plotPanel.updateChartProperties();
          }
          notifyChange();
        }
      }.start();
      return true;
    }

    if (action.equals(resources.getString("AddSource"))) {
      try {
        PiePlot plot = (PiePlot)chart.getPlot();
        SourcePieDataset dst = (SourcePieDataset)plot.getDataset();
        dst.addSource((DataSource)o);
        mappers.add(null); mapperSources.add(null); // no mapper by default
        notifyChange();
      } catch (ClassCastException cce) {
        JSynoptic.setStatus(resources.getString("ErrorWhileSettingDataSource"));
      }
    }

    if (action.equals(resources.getString("AddSources"))) {
      try {
        PiePlot plot = (PiePlot)chart.getPlot();
        SourcePieDataset dst = (SourcePieDataset)plot.getDataset();
        dst.addDataSourceCollection((DataSourceCollection)o);
        for (int i=0; i<((DataSourceCollection)o).size(); ++i) {
          mappers.add(null); mapperSources.add(null); // no mapper by default
        }
        notifyChange();
      } catch (ClassCastException cce) {
        JSynoptic.setStatus(resources.getString("ErrorWhileSettingDataSourceCollection"));
      }
    }

    if (action.equals(resources.getString("SetSources"))) {
      try {
        PiePlot plot = (PiePlot)chart.getPlot();
        SourcePieDataset dst = (SourcePieDataset)plot.getDataset();
        dst.setDataSourceCollection((DataSourceCollection)o);
        chart.setTitle(dst.getName());
        for (int i=0; i<mappers.size(); ++i) {
          DataSource ds = (DataSource)mapperSources.get(i);
          if (ds!=null) ds.removeListener(this);
          ColorMapper cm = (ColorMapper)mappers.get(i);
          if (cm!=null) cm.removeListener(this);
        }
        for (int i=0; i<((DataSourceCollection)o).size(); ++i) {
          mappers.add(null); mapperSources.add(null); // no mapper by default
        }
        notifyChange();
      } catch (ClassCastException cce) {
        JSynoptic.setStatus(resources.getString("ErrorWhileSettingDataSourceCollection"));
      }
    }

    return true;
  }
 
  /* (non-Javadoc)
   * @see jsynoptic.base.ContextualActionProvider#canDoAction(double, double, java.lang.Object, java.lang.String, int)
   */
  public boolean canDoAction(double x, double y, Object o, String action, int context) {
    return true;
  }

  static protected class CbxEntry {
    public int datasetIndex;
    public String name;
    public Color color;
    public DataSource source;
    public ColorMapper mapper;
    public double ratio;
    public CbxEntry(int datasetIndex, String name, Color c, DataSource ds, ColorMapper cm, double ratio) {
      this.name = name;
      this.datasetIndex=datasetIndex;
      color = c;
      source = ds;
      mapper = cm;
      this.ratio = ratio;
    }
    public String toString() {
      return name;
    }

  }
 
 
  public class PlotPanel extends JPanel {

    
    protected JTextField tfTitle;
    protected JComboBox pcbxcurves, cbxmapper;
    protected JButton pcurvecolor, pcurvedelete, editCategories, beditmapper, bnewmapper, bdelmapper;
    protected JTextField pcbxeditortf;
    protected boolean peditLocked;
    protected CbxEntry pactiveEntry;

    protected NumberField tfRatio;
   
    protected TextMapper mapper;

    public PlotPanel() {
     
      setLayout(new BorderLayout());

      JPanel panel;
      Box section;
     
      Box content = Box.createVerticalBox();
     
      setName(resources.getString("PlotProperties"));

      PiePlot plot = (PiePlot)chart.getPlot();
      SourcePieDataset dst = (SourcePieDataset)plot.getDataset();

      // Create the title section
      section=Box.createHorizontalBox();
      section.add(new JLabel(resources.getString("PlotTitle:")));
      section.add(tfTitle = new JTextField());
      tfTitle.setText(chart.getTitle().getText());
      content.add(section);

      section=Box.createVerticalBox();
      section.setBorder(BorderFactory.createTitledBorder(resources.getString("Series")));

      Box box = Box.createHorizontalBox();
      box.add(pcbxcurves = new JComboBox());
      box.add(pcurvecolor = new JButton("    "));
      box.add(pcurvedelete = new JButton(resources.getString("Delete")));
      section.add(box);
     
      box = Box.createHorizontalBox();
      box.add(new JLabel(resources.getString("ExplodedRatio(>=1)")));
      box.add(tfRatio = new NumberField(1.0));
     
      // So long as this does not work for 3D pies, do not show it
      if (!(plot instanceof Pie3DPlot)) section.add(box);
     
      content.add(section);

      pcbxcurves.setEditable(true);
      Color noCurveColor = pcurvecolor.getBackground();
      pcurvecolor.setFocusPainted(false);

      int n = dst.getItemCount();
      double factor = 1.0 / plot.getRadius() - 1.0; // may be null
      // Now initialize entries
      for (int i=0; i<n; ++i) {
        DataSource ds = (DataSource)mapperSources.get(i);
        if (ds==null) ds = dst.getSource(i); // take the datasource associated with this series by default
        pcbxcurves.addItem(new CbxEntry(
                i,
                dst.getName(i),
                (Color)plot.getSectionPaint(i),
                ds,
                (ColorMapper)mappers.get(i),
                plot.getExplodePercent(i) * factor + 1.0
        ));
      }
      pcbxeditortf = (JTextField)pcbxcurves.getEditor().getEditorComponent();
      pupdateForEntry(pcbxcurves.getSelectedItem());
     
      pcbxcurves.addPopupMenuListener(new PopupMenuListener() {
        public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
          peditLocked = true;
        }
        public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
          peditLocked = false;
        }
        public void popupMenuCanceled(PopupMenuEvent e) {
          peditLocked = false;
        }
      });

      pcbxcurves.addItemListener(new ItemListener() {
        public void itemStateChanged(ItemEvent e) {
          if (e.getStateChange()==ItemEvent.DESELECTED) pactiveEntry = null;
          else pupdateForEntry(e.getItem());
        }
      });

      pcbxeditortf.getDocument().addDocumentListener(new DocumentListener() {
        public void insertUpdate(DocumentEvent e) {
          updateName();
        }
        public void removeUpdate(DocumentEvent e) {
          updateName();
        }
        public void changedUpdate(DocumentEvent e) {
          updateName();
        }
        public void updateName() {
          if ((peditLocked) || (pactiveEntry == null)) return;
          pactiveEntry.name = pcbxeditortf.getText();
        }
      });

      tfRatio.getDocument().addDocumentListener(new DocumentListener() {
        public void insertUpdate(DocumentEvent e) {
          updateValue();
        }
        public void removeUpdate(DocumentEvent e) {
          updateValue();
        }
        public void changedUpdate(DocumentEvent e) {
          updateValue();
        }
        public void updateValue() {
          if ((peditLocked) || (pactiveEntry == null)) return;
          try {
            pactiveEntry.ratio = Double.parseDouble(tfRatio.getText());
            if (pactiveEntry.ratio<1.0) pactiveEntry.ratio = 1.0;
          } catch (NumberFormatException nfe) {
            pactiveEntry.ratio = 1.0;
          }
        }
      });
     
      pcurvecolor.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          if (pactiveEntry==null) return;
  
                    DynamicColorChooser dialog = new DynamicColorChooser(
                            null, resources.getString("ChooseAColor"),null ,pactiveEntry.color,pactiveEntry.source,pactiveEntry.mapper);


                    dialog.pack();
                    dialog.setVisible(true);

                    if (dialog.isOk()){
                        pactiveEntry.color = dialog.getColor();
                        pactiveEntry.source = dialog.getSource();
                        pactiveEntry.mapper = dialog.getMapper();
                        pupdateForEntry(pactiveEntry);
                    }
        }
      });

      pcurvedelete.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          if (pactiveEntry==null) return;
          pcbxcurves.removeItem(pactiveEntry);
        }
      });

      add(content, BorderLayout.NORTH);

    }

    protected void pupdateForEntry(Object o) {
      if (o instanceof CbxEntry) pactiveEntry = (CbxEntry)o;
      else  pactiveEntry = null;
      if (pactiveEntry == null) return;
      tfRatio.setValue(pactiveEntry.ratio);
      pcurvecolor.setBackground(pactiveEntry.color);
    }
   
   
    protected void updateChartProperties() {

      chart.setTitle(tfTitle.getText());

      PiePlot plot = (PiePlot)chart.getPlot();
      SourcePieDataset dst = (SourcePieDataset)plot.getDataset();

      int n = dst.getItemCount();

      // If some curves were deleted, remove them
      if (n != pcbxcurves.getItemCount()) {
        boolean[] toKeep = new boolean[n]; // boolean are initialized to false by JVM
        for (int i=0; i<pcbxcurves.getItemCount(); ++i)
          toKeep[((CbxEntry)pcbxcurves.getItemAt(i)).datasetIndex] = true;

        // Now we can remove the deleted curves, and update the existing ones
        // Start from the end, to remove the entries and keep the index OK
        for (int i=n-1; i>=0; i--) {
          if (!toKeep[i]) {
            GenericMapper mapper = (GenericMapper)mappers.remove(i);
            if (mapper!=null) mapper.removeListener(PieChartShape.this);
            DataSource source = (DataSource)mapperSources.remove(i);
            if (source!=null) source.removeListener(PieChartShape.this);
            dst.removeSource(i);
          }
        }
      }
     
      // Now we match the data set and the list
      int len = pcbxcurves.getItemCount();
     
      // first compute max ratio => define JFreeChart 100% and compute 1.0 equivalent
      double maxratio = Double.NEGATIVE_INFINITY;
      for (int i=0; i<len; ++i) {
        CbxEntry e = (CbxEntry)pcbxcurves.getItemAt(i);
        maxratio = Math.max(e.ratio, maxratio);
      }
      double delta = maxratio - 1.0;
     
      // now apply changes
      for (int i=0; i<len; ++i) {
        CbxEntry e = (CbxEntry)pcbxcurves.getItemAt(i);
        dst.setName(i,e.name);
        DataSource ds = (DataSource)mapperSources.get(i);
        if ((e.source==null) && (ds!=null)) {
            ds.removeListener(PieChartShape.this);
            ds.removeEndNotificationListener(PieChartShape.this);
        }
        mapperSources.set(i,e.source);
        if (e.source!=null) {
            e.source.addListener(PieChartShape.this);
            e.source.addEndNotificationListener(PieChartShape.this);
        }
        ColorMapper cm = (ColorMapper)mappers.get(i);
        if ((e.mapper==null) && (cm!=null)) cm.removeListener(PieChartShape.this);
        mappers.set(i,e.mapper);
        if (e.mapper!=null) e.mapper.addListener(PieChartShape.this);
       
        if ((e.mapper!=null) && (e.source!=null)) {
          e.mapper.setDefaultPaint(e.color);
          plot.setSectionPaint(i,e.mapper.getPaint(e.source));
        }
        else plot.setSectionPaint(i,e.color);

        plot.setExplodePercent(i, (delta==0) ? 0.0 : (e.ratio-1.0) / delta );
      }
     
      plot.setRadius(1.0/maxratio);
   
    }

  }

// Monitor changes in source and mapper used for dynamic colors.

  /* (non-Javadoc)
   * @see simtools.ui.MapperListener#mappingChanged(simtools.ui.GenericMapper)
   */
  public void mappingChanged(GenericMapper mapper) {
    notifyChange();
  }

  public boolean checkMapperChange(DataSource ds, long index) {
    PiePlot plot = (PiePlot)chart.getPlot();
    SourcePieDataset dst = (SourcePieDataset)plot.getDataset();
    boolean hasChanged = false;
    for (int i=0; i<mapperSources.size(); ++i) {
      if (ds.equals(mapperSources.get(i))) {
        ColorMapper cm = (ColorMapper)mappers.get(i);
        if (cm!=null) {
          Paint p1 = hasChanged ? null : plot.getSectionPaint(i);
          plot.setSectionPaint(i,cm.getPaint(ds,index));
          // check colors only if useful => when one color changed, don't check the others
          if (!hasChanged) {
            Paint p2 = plot.getSectionPaint(i);
            if (!p1.equals(p2)) hasChanged = true;
          }
        }
      }
    }
    return hasChanged;
  }
 
  /* (non-Javadoc)
   * @see simtools.data.DataSourceListener#DataSourceValueChanged(simtools.data.DataSource, long, long)
   */
  public void DataSourceValueChanged(DataSource ds, long minIndex, long maxIndex) {
      dirty |= checkMapperChange(ds,maxIndex);
  }

  /* (non-Javadoc)
   * @see simtools.data.DataSourceListener#DataSourceIndexRangeChanged(simtools.data.DataSource, long, long)
   */
  public void DataSourceIndexRangeChanged(DataSource ds, long startIndex, long lastIndex) {
      dirty |= checkMapperChange(ds,lastIndex);
  }

  /* (non-Javadoc)
   * @see simtools.data.DataSourceListener#DataSourceInfoChanged(simtools.data.DataSource, simtools.data.DataInfo)
   */
  public void DataSourceInfoChanged(DataSource ds, DataInfo newInfo) {
    // Don't care if mapper source info changed
  }

  /* (non-Javadoc)
   * @see simtools.data.DataSourceListener#DataSourceValueRangeChanged(simtools.data.DataSource)
   */
  public void DataSourceValueRangeChanged(DataSource ds) {
    // Don't care if mapper source range changed, it's the mapper business
  }

  /* (non-Javadoc)
   * @see simtools.data.DataSourceListener#DataSourceOrderChanged(simtools.data.DataSource, int)
   */
  public void DataSourceOrderChanged(DataSource ds, int newOrder) {
    // Don't care if mapper source order changed
  }

  /* (non-Javadoc)
   * @see simtools.data.DataSourceListener#DataSourceReplaced(simtools.data.DataSource, simtools.data.DataSource)
   */
  public void DataSourceReplaced(DataSource oldData, DataSource newData) {
    for (int i=0; i<mapperSources.size(); ++i) {
      if(mapperSources.get(i)==oldData){
        mapperSources.set(i,newData);
        if(newData!=null){
          newData.addListener(this);
          newData.addEndNotificationListener(this);
        }
        oldData.removeListener(this);
        oldData.removeEndNotificationListener(this);
      }
    }
  }

    /* (non-Javadoc)
     * @see simtools.data.EndNotificationListener#notificationEnd(java.lang.Object)
     */
    public void notificationEnd(Object referer) {
      if (dirty) notifyChange();
      dirty = false;
    }
 
 
//  Take care of serialisation. Special handling for datasources

  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
    out.defaultWriteObject();
    int n = mapperSources.size();
    out.writeInt(n);
    for (int i=0; i<n; ++i) {
      DataSourcePool.global.writeDataSource(out, (DataSource)mapperSources.get(i));
    }
  }

  private void readObject(java.io.ObjectInputStream in) throws java.lang.ClassNotFoundException, java.io.IOException {
    in.defaultReadObject();
    mapperSources = new Vector();
    int n =in.readInt();
    for (int i=0; i<n; ++i) {
        DataSource ds = DataSourcePool.global.readDataSource(in);
      mapperSources.add(ds);
      if (ds!=null) {
          ds.addListener(this);
          ds.addEndNotificationListener(this);
      }
    }
  }


  /* (non-Javadoc)
   * @see simtools.shapes.AbstractShape#cloneShape()
   */
  protected AbstractShape cloneShape() {
      ChartShape cs = (ChartShape)super.cloneShape();
      PiePlot plot = (PiePlot)chart.getPlot();
      SourcePieDataset dst = (SourcePieDataset)plot.getDataset();
      ((PiePlot)cs.chart.getPlot()).setDataset(dst.cloneSet());
      return cs;
  }

}

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