visualizepanel.java

wekaUT是 university texas austin 开发的基于weka的半指导学习(semi supervised learning)的分类器

	String xcolKey = thisClass+"."+relationName+".XDimension";
	String ycolKey = thisClass+"."+relationName+".YDimension";
	String ccolKey = thisClass+"."+relationName+".ColourDimension";
      
	m_preferredXDimension = VisualizeUtils.VISUALIZE_PROPERTIES.
	  getProperty(xcolKey);
	if (m_preferredXDimension == null) {
	  System.err.println("No preferred X dimension found in "
			     +VisualizeUtils.PROPERTY_FILE
			     +" for "+xcolKey);
	} else {
	  System.err.println("Setting preferred X dimension to "
			     +m_preferredXDimension);
	}
	m_preferredYDimension = VisualizeUtils.VISUALIZE_PROPERTIES.
	  getProperty(ycolKey);
	if (m_preferredYDimension == null) {
	  System.err.println("No preferred Y dimension found in "
			     +VisualizeUtils.PROPERTY_FILE
			     +" for "+ycolKey);
	} else {
	  System.err.println("Setting preferred dimension Y to "
			     +m_preferredYDimension);
	}
	m_preferredColourDimension = VisualizeUtils.VISUALIZE_PROPERTIES.
	  getProperty(ccolKey);
	if (m_preferredColourDimension == null) {
	  System.err.println("No preferred Colour dimension found in "
			     +VisualizeUtils.PROPERTY_FILE
			     +" for "+ycolKey);
	} else {
	  System.err.println("Setting preferred Colour dimension to "
			     +m_preferredColourDimension);
	}
      }
    }
  }

  /**
   * Constructor
   */
  public VisualizePanel() {
    setProperties(null);
    m_FileChooser.setFileFilter(m_ArffFilter);
    m_FileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);

    m_XCombo.setToolTipText("Select the attribute for the x axis");
    m_YCombo.setToolTipText("Select the attribute for the y axis");
    m_ColourCombo.setToolTipText("Select the attribute to colour on");
    m_ShapeCombo.setToolTipText("Select the shape to use for data selection"); 

    m_XCombo.setPreferredSize(COMBO_SIZE);
    m_YCombo.setPreferredSize(COMBO_SIZE);
    m_ColourCombo.setPreferredSize(COMBO_SIZE);
    m_ShapeCombo.setPreferredSize(COMBO_SIZE);

    m_XCombo.setMaximumSize(COMBO_SIZE);
    m_YCombo.setMaximumSize(COMBO_SIZE);
    m_ColourCombo.setMaximumSize(COMBO_SIZE);
    m_ShapeCombo.setMaximumSize(COMBO_SIZE);
    
    m_XCombo.setMinimumSize(COMBO_SIZE);
    m_YCombo.setMinimumSize(COMBO_SIZE);
    m_ColourCombo.setMinimumSize(COMBO_SIZE);
    m_ShapeCombo.setMinimumSize(COMBO_SIZE);
    //////////
    m_XCombo.setEnabled(false);
    m_YCombo.setEnabled(false);
    m_ColourCombo.setEnabled(false);
    m_ShapeCombo.setEnabled(false);

    // tell the class panel and the legend panel that we want to know when 
    // colours change
    m_classPanel.addRepaintNotify(this);
    m_legendPanel.addRepaintNotify(this);

    m_colorList = new FastVector(10);
    for (int noa = m_colorList.size(); noa < 10; noa++) {
      Color pc = m_DefaultColors[noa % 10];
      int ija =  noa / 10;
      ija *= 2; 
      for (int j=0;j<ija;j++) {
	pc = pc.darker();
      }
      
      m_colorList.addElement(pc);
    }
    m_plot.setColours(m_colorList);
    m_classPanel.setColours(m_colorList);
    m_attrib.setColours(m_colorList);
    m_attrib.addAttributePanelListener(new AttributePanelListener() {
	public void attributeSelectionChange(AttributePanelEvent e) {
	  if (e.m_xChange) {
	    m_XCombo.setSelectedIndex(e.m_indexVal);
	  } else {
	    m_YCombo.setSelectedIndex(e.m_indexVal);
	  }
	}
      });
    
    m_XCombo.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  int selected = m_XCombo.getSelectedIndex();
	  if (selected < 0) {
	    selected = 0;
	  }
	  m_plot.setXindex(selected);
	 
	  // try sending on the event if anyone is listening
	  if (listener != null) {
	    listener.actionPerformed(e);
	  }
	}
      });

    m_YCombo.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  int selected = m_YCombo.getSelectedIndex();
	  if (selected < 0) {
	    selected = 0;
	  }
	  m_plot.setYindex(selected);
	 
	  // try sending on the event if anyone is listening
	  if (listener != null) {
	    listener.actionPerformed(e);
	  }
	}
      });

    m_ColourCombo.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  int selected = m_ColourCombo.getSelectedIndex();
	  if (selected < 0) {
	    selected = 0;
	  }
	  m_plot.setCindex(selected);

	  if (listener != null) {
	    listener.actionPerformed(e);
	  }
	}
      });
    
    ///////
    m_ShapeCombo.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  int selected = m_ShapeCombo.getSelectedIndex();
	  if (selected < 0) {
	    selected = 0;
	  }
	  m_plot.setSindex(selected);
	  // try sending on the event if anyone is listening
	  if (listener != null) {
	    listener.actionPerformed(e);
	  }
	}
      });


    ///////////////////////////////////////

    m_Jitter.addChangeListener(new ChangeListener() {
	public void stateChanged(ChangeEvent e) {
	  m_plot.setJitter(m_Jitter.getValue());
	}
      });

    m_saveBut.setEnabled(false);
    m_saveBut.setToolTipText("Save the visible instances to a file");
    m_saveBut.addActionListener(new ActionListener() {
	public void actionPerformed(ActionEvent e) {
	  saveVisibleInstances();
	}
      });
    
    JPanel combos = new JPanel();
    GridBagLayout gb = new GridBagLayout();
    GridBagConstraints constraints = new GridBagConstraints();


    m_XCombo.setLightWeightPopupEnabled(false);
    m_YCombo.setLightWeightPopupEnabled(false);
    m_ColourCombo.setLightWeightPopupEnabled(false);
    m_ShapeCombo.setLightWeightPopupEnabled(false);
    combos.setBorder(BorderFactory.createEmptyBorder(10, 5, 10, 5));

    combos.setLayout(gb);
    constraints.gridx=0;constraints.gridy=0;constraints.weightx=5;
    constraints.fill = GridBagConstraints.HORIZONTAL;
    constraints.gridwidth=2;constraints.gridheight=1;
    constraints.insets = new Insets(0,2,0,2);
    combos.add(m_XCombo,constraints);
    constraints.gridx=2;constraints.gridy=0;constraints.weightx=5;
    constraints.gridwidth=2;constraints.gridheight=1;
    combos.add(m_YCombo,constraints);
    constraints.gridx=0;constraints.gridy=1;constraints.weightx=5;
    constraints.gridwidth=2;constraints.gridheight=1;
    combos.add(m_ColourCombo,constraints);
    //
    constraints.gridx=2;constraints.gridy=1;constraints.weightx=5;
    constraints.gridwidth=2;constraints.gridheight=1;
    combos.add(m_ShapeCombo,constraints);

   
    JPanel mbts = new JPanel();
    mbts.setLayout(new GridLayout(1,3));
    mbts.add(m_submit); mbts.add(m_cancel); mbts.add(m_saveBut);

    constraints.gridx=0;constraints.gridy=2;constraints.weightx=5;
    constraints.gridwidth=2;constraints.gridheight=1;
    combos.add(mbts, constraints);

    ////////////////////////////////
    constraints.gridx=2;constraints.gridy=2;constraints.weightx=5;
    constraints.gridwidth=1;constraints.gridheight=1;
    constraints.insets = new Insets(10,0,0,5);
    combos.add(m_JitterLab,constraints);
    constraints.gridx=3;constraints.gridy=2;
    constraints.weightx=5;
    constraints.insets = new Insets(10,0,0,0);
    combos.add(m_Jitter,constraints);

    m_classSurround = new JPanel();
    m_classSurround.
      setBorder(BorderFactory.createTitledBorder("Class colour")); 
    m_classSurround.setLayout(new BorderLayout());

    m_classPanel.setBorder(BorderFactory.createEmptyBorder(15,10,10,10));
    m_classSurround.add(m_classPanel, BorderLayout.CENTER);

    GridBagLayout gb2 = new GridBagLayout();
    m_plotSurround.setBorder(BorderFactory.createTitledBorder("Plot"));
    m_plotSurround.setLayout(gb2);

    constraints.fill = constraints.BOTH;
    constraints.insets = new Insets(0, 0, 0, 10);
    constraints.gridx=0;constraints.gridy=0;constraints.weightx=3;
    constraints.gridwidth=4;constraints.gridheight=1;constraints.weighty=5;
    m_plotSurround.add(m_plot, constraints);
    
    if (m_showAttBars) {
      constraints.insets = new Insets(0, 0, 0, 0);
      constraints.gridx=4;constraints.gridy=0;constraints.weightx=1;
      constraints.gridwidth=1;constraints.gridheight=1;constraints.weighty=5;
      m_plotSurround.add(m_attrib, constraints);
    }

    setLayout(new BorderLayout());
    add(combos, BorderLayout.NORTH);
    add(m_plotSurround, BorderLayout.CENTER);
    add(m_classSurround, BorderLayout.SOUTH);
    
    String [] SNames = new String [4];
    SNames[0] = "Select Instance";
    SNames[1] = "Rectangle";
    SNames[2] = "Polygon";
    SNames[3] = "Polyline";

    m_ShapeCombo.setModel(new DefaultComboBoxModel(SNames));
    m_ShapeCombo.setEnabled(true);
  }

  /**
   * Save the currently visible set of instances to a file
   */
  private void saveVisibleInstances() {
    FastVector plots = m_plot.m_plot2D.getPlots();
    if (plots != null) {
      PlotData2D master = (PlotData2D)plots.elementAt(0);
      Instances saveInsts = new Instances(master.getPlotInstances());
      for (int i = 1; i < plots.size(); i++) {
	PlotData2D temp = (PlotData2D)plots.elementAt(i);
	Instances addInsts = temp.getPlotInstances();
	for (int j = 0; j < addInsts.numInstances(); j++) {
	  saveInsts.add(addInsts.instance(j));
	}
      }
      try {
	int returnVal = m_FileChooser.showSaveDialog(this);
	if (returnVal == JFileChooser.APPROVE_OPTION) {
	  File sFile = m_FileChooser.getSelectedFile();
	  if (!sFile.getName().toLowerCase().
	      endsWith(Instances.FILE_EXTENSION)) {
	    sFile = new File(sFile.getParent(), sFile.getName() 
			     + Instances.FILE_EXTENSION);
	  }
	  File selected = sFile;
	  Writer w = new BufferedWriter(new FileWriter(selected));
	  w.write(saveInsts.toString());
	  w.close();
	}
      } catch (Exception ex) {
	ex.printStackTrace();
      }
    }
  }


  /**
   * Sets the index used for colouring. If this method is called then
   * the supplied index is used and the combo box for selecting colouring
   * attribute is disabled.
   * @param index the index of the attribute to use for colouring
   */
  public void setColourIndex(int index) {
    if (index >= 0) {
      m_ColourCombo.setSelectedIndex(index);
    } else {
      m_ColourCombo.setSelectedIndex(0);
    }
    m_ColourCombo.setEnabled(false);
  }
  
  
  /**
   * Set the index of the attribute for the x axis 
   * @param index the index for the x axis
   * @exception Exception if index is out of range.
   */
  public void setXIndex(int index) throws Exception {
    if (index >= 0 && index < m_XCombo.getItemCount()) {
      m_XCombo.setSelectedIndex(index);
    } else {
      throw new Exception("x index is out of range!");
    }
  }

  /**
   * Get the index of the attribute on the x axis
   * @return the index of the attribute on the x axis
   */
  public int getXIndex() {
    return m_XCombo.getSelectedIndex();
  }

  /**
   * Set the index of the attribute for the y axis 
   * @param index the index for the y axis
   * @exception Exception if index is out of range.
   */
  public void setYIndex(int index) throws Exception {
    if (index >= 0 && index < m_YCombo.getItemCount()) {
      m_YCombo.setSelectedIndex(index);
    } else {
      throw new Exception("y index is out of range!");
    }
  }
  
  /**
   * Get the index of the attribute on the y axis
   * @return the index of the attribute on the x axis
   */
  public int getYIndex() {
    return m_YCombo.getSelectedIndex();
  }

  /**
   * Get the index of the attribute selected for coloring
   * @return the index of the attribute on the x axis
   */
  public int getCIndex() {
    return m_ColourCombo.getSelectedIndex();
  }

  /**
   * Get the index of the shape selected for creating splits.
   * @return The index of the shape.
   */
  public int getSIndex() {
    return m_ShapeCombo.getSelectedIndex();
  }
  
  /** 
   * Set the shape for creating splits.
   * @param index The index of the shape.
   * @exception Exception if index is out of range.
   */
  public void setSIndex(int index) throws Exception {
    if (index >= 0 && index < m_ShapeCombo.getItemCount()) {
      m_ShapeCombo.setSelectedIndex(index);
    }
    else {
      throw new Exception("s index is out of range!");
    }
  }

  /**
   * Add a listener for this visualize panel
   * @param act an ActionListener
   */
  public void addActionListener(ActionListener act) {
    listener = act;
  }

  /**
   * Set a name for this plot
   * @param plotName the name for the plot
   */
  public void setName(String plotName) {
    m_plotName = plotName;
  }

  /**
   * Returns the name associated with this plot. "" is returned if no
   * name is set.
   * @return the name of the plot
   */
  public String getName() {
    return m_plotName;
  }

  /**
   * Get the master plot's instances
   * @return the master plot's instances
   */
  public Instances getInstances() {
    return m_plot.m_plotInstances;
  }

  /**
   * Sets the Colors in use for a different attrib
   * if it is not a nominal attrib and or does not have
   * more possible va