simplesetuppanel.java

Java 编写的多种数据挖掘算法 包括聚类、分类、预处理等

    if (m_Exp == null) return;

    String str = "";

    if (m_ResultsDestinationCBox.getSelectedItem() == DEST_DATABASE_TEXT) {
      m_ResultsDestinationPathLabel.setText("URL:");
      str = m_destinationDatabaseURL;
      m_BrowseDestinationButton.setEnabled(true); //!!!
      m_BrowseDestinationButton.setText("User...");
    } else {
      m_ResultsDestinationPathLabel.setText("Filename:");
      if (m_ResultsDestinationCBox.getSelectedItem() == DEST_ARFF_TEXT) {
	int ind = m_destinationFilename.lastIndexOf(".csv");
	if (ind > -1) {
	  m_destinationFilename = m_destinationFilename.substring(0, ind) + ".arff";
	}
      }
      if (m_ResultsDestinationCBox.getSelectedItem() == DEST_CSV_TEXT) {
	int ind = m_destinationFilename.lastIndexOf(".arff");
	if (ind > -1) {
	  m_destinationFilename = m_destinationFilename.substring(0, ind) + ".csv";
	}
      }
      str = m_destinationFilename;
      if (m_ResultsDestinationCBox.getSelectedItem() == DEST_ARFF_TEXT) {
	int ind = str.lastIndexOf(".csv");
	if (ind > -1) {
	  str = str.substring(0, ind) + ".arff";
	}
      }
      if (m_ResultsDestinationCBox.getSelectedItem() == DEST_CSV_TEXT) {
	int ind = str.lastIndexOf(".arff");
	if (ind > -1) {
	  str = str.substring(0, ind) + ".csv";
	}
      }
      m_BrowseDestinationButton.setEnabled(true);
      m_BrowseDestinationButton.setText("Browse...");
    }

    if (m_ResultsDestinationCBox.getSelectedItem() == DEST_DATABASE_TEXT) {
      DatabaseResultListener drl = null;
      try {
	drl = new DatabaseResultListener();
      } catch (Exception e) {
	e.printStackTrace();
      }
      drl.setDatabaseURL(m_destinationDatabaseURL);
      m_Exp.setResultListener(drl);
    } else {
      if (m_ResultsDestinationCBox.getSelectedItem() == DEST_ARFF_TEXT) {
	InstancesResultListener irl = new InstancesResultListener();
	if (!m_destinationFilename.equals("")) {
	  irl.setOutputFile(new File(m_destinationFilename));
	}
	m_Exp.setResultListener(irl);
      } else if (m_ResultsDestinationCBox.getSelectedItem() == DEST_CSV_TEXT) {
	CSVResultListener crl = new CSVResultListener();
	if (!m_destinationFilename.equals("")) {
	  crl.setOutputFile(new File(m_destinationFilename));
	}
	m_Exp.setResultListener(crl);
      }
    }

    m_ResultsDestinationPathTField.setText(str);

    m_Support.firePropertyChange("", null, null);
  }

  /**
   * Responds to a change in the destination address.
   */
  private void destinationAddressChanged() {

    if (m_Exp == null) return;

    if (m_ResultsDestinationCBox.getSelectedItem() == DEST_DATABASE_TEXT) {
      m_destinationDatabaseURL = m_ResultsDestinationPathTField.getText();
      if (m_Exp.getResultListener() instanceof DatabaseResultListener) {
	((DatabaseResultListener)m_Exp.getResultListener()).setDatabaseURL(m_destinationDatabaseURL);
      }
    } else {
      File resultsFile = null;
      m_destinationFilename = m_ResultsDestinationPathTField.getText();

      // Use temporary file if no file name is provided
      if (m_destinationFilename.equals("")) {
	try {
	  if (m_ResultsDestinationCBox.getSelectedItem() == DEST_ARFF_TEXT) {
	    resultsFile = File.createTempFile("weka_experiment", ".arff");
	  }
	  if (m_ResultsDestinationCBox.getSelectedItem() == DEST_CSV_TEXT) {
	    resultsFile = File.createTempFile("weka_experiment", ".csv");
	  }
	  resultsFile.deleteOnExit();
	} catch (Exception e) {
	  System.err.println("Cannot create temp file, writing to standard out.");
	  resultsFile = new File("-");
	}
      } else {
	if (m_ResultsDestinationCBox.getSelectedItem() == DEST_ARFF_TEXT) {
	  if (!m_destinationFilename.endsWith(".arff")) {
	    m_destinationFilename += ".arff";
	  }
	}
	if (m_ResultsDestinationCBox.getSelectedItem() == DEST_CSV_TEXT) {
	  if (!m_destinationFilename.endsWith(".csv")) {
	    m_destinationFilename += ".csv";
	  }
	}
	resultsFile = new File(m_destinationFilename);
      }
      ((CSVResultListener)m_Exp.getResultListener()).setOutputFile(resultsFile);
      ((CSVResultListener)m_Exp.getResultListener()).setOutputFileName(m_destinationFilename);
    }

    m_Support.firePropertyChange("", null, null);
  }

  /**
   * Responds to a change in the experiment type.
   */
  private void expTypeChanged() {

    if (m_Exp == null) return;

    // update parameter ui
    if (m_ExperimentTypeCBox.getSelectedItem() == TYPE_CROSSVALIDATION_TEXT) {
      m_ExperimentParameterLabel.setText("Number of folds:");
      m_ExperimentParameterTField.setText("" + m_numFolds);
    } else {
      m_ExperimentParameterLabel.setText("Train percentage:");
      m_ExperimentParameterTField.setText("" + m_trainPercent);
    }

    // update iteration ui
    if (m_ExperimentTypeCBox.getSelectedItem() == TYPE_FIXEDSPLIT_TEXT) {
      m_NumberOfRepetitionsTField.setEnabled(false);
      m_NumberOfRepetitionsTField.setText("1");
      m_Exp.setRunLower(1);
      m_Exp.setRunUpper(1);
    } else {
      m_NumberOfRepetitionsTField.setText("" + m_numRepetitions);
      m_NumberOfRepetitionsTField.setEnabled(true);
      m_Exp.setRunLower(1);
      m_Exp.setRunUpper(m_numRepetitions);
    }

    SplitEvaluator se = null;
    Classifier sec = null;
    if (m_ExpClassificationRBut.isSelected()) {
      se = new ClassifierSplitEvaluator();
      sec = ((ClassifierSplitEvaluator)se).getClassifier();
    } else {
      se = new RegressionSplitEvaluator();
      sec = ((RegressionSplitEvaluator)se).getClassifier();
    }
    
    // build new ResultProducer
    if (m_ExperimentTypeCBox.getSelectedItem() == TYPE_CROSSVALIDATION_TEXT) {
      CrossValidationResultProducer cvrp = new CrossValidationResultProducer();
      cvrp.setNumFolds(m_numFolds);
      cvrp.setSplitEvaluator(se);
      
      PropertyNode[] propertyPath = new PropertyNode[2];
      try {
	propertyPath[0] = new PropertyNode(se, new PropertyDescriptor("splitEvaluator",
								      CrossValidationResultProducer.class),
					   CrossValidationResultProducer.class);
	propertyPath[1] = new PropertyNode(sec, new PropertyDescriptor("classifier",
								       se.getClass()),
					   se.getClass());
      } catch (IntrospectionException e) {
	e.printStackTrace();
      }
      
      m_Exp.setResultProducer(cvrp);
      m_Exp.setPropertyPath(propertyPath);

    } else {
      RandomSplitResultProducer rsrp = new RandomSplitResultProducer();
      rsrp.setRandomizeData(m_ExperimentTypeCBox.getSelectedItem() == TYPE_RANDOMSPLIT_TEXT);
      rsrp.setTrainPercent(m_trainPercent);
      rsrp.setSplitEvaluator(se);

      PropertyNode[] propertyPath = new PropertyNode[2];
      try {
	propertyPath[0] = new PropertyNode(se, new PropertyDescriptor("splitEvaluator",
								      RandomSplitResultProducer.class),
					   RandomSplitResultProducer.class);
	propertyPath[1] = new PropertyNode(sec, new PropertyDescriptor("classifier",
								       se.getClass()),
					   se.getClass());
      } catch (IntrospectionException e) {
	e.printStackTrace();
      }

      m_Exp.setResultProducer(rsrp);
      m_Exp.setPropertyPath(propertyPath);

    }

    m_Exp.setUsePropertyIterator(true);
    m_Support.firePropertyChange("", null, null);
  }

  /**
   * Responds to a change in the experiment parameter.
   */
  private void expParamChanged() {

    if (m_Exp == null) return;

    if (m_ExperimentTypeCBox.getSelectedItem() == TYPE_CROSSVALIDATION_TEXT) {
      try {
	m_numFolds = Integer.parseInt(m_ExperimentParameterTField.getText());
      } catch (NumberFormatException e) {
	return;
      }
    } else {
      try {
	m_trainPercent = Double.parseDouble(m_ExperimentParameterTField.getText());
      } catch (NumberFormatException e) {
	return;
      }
    }

    if (m_ExperimentTypeCBox.getSelectedItem() == TYPE_CROSSVALIDATION_TEXT) {

      if (m_Exp.getResultProducer() instanceof CrossValidationResultProducer) {
	CrossValidationResultProducer cvrp = (CrossValidationResultProducer) m_Exp.getResultProducer();
	cvrp.setNumFolds(m_numFolds);
      } else {
	return;
      }

    } else {
      
      if (m_Exp.getResultProducer() instanceof RandomSplitResultProducer) {
	RandomSplitResultProducer rsrp = (RandomSplitResultProducer) m_Exp.getResultProducer();
	rsrp.setRandomizeData(m_ExperimentTypeCBox.getSelectedItem() == TYPE_RANDOMSPLIT_TEXT);
	rsrp.setTrainPercent(m_trainPercent);
      } else {
	//System.err.println("not rsrp");
	return;
      }
    }

    m_Support.firePropertyChange("", null, null);
  }

  /**
   * Responds to a change in the number of repetitions.
   */
  private void numRepetitionsChanged() {

    if (m_Exp == null || !m_NumberOfRepetitionsTField.isEnabled()) return;

    try {
      m_numRepetitions = Integer.parseInt(m_NumberOfRepetitionsTField.getText());
    } catch (NumberFormatException e) {
      return;
    }

    m_Exp.setRunLower(1);
    m_Exp.setRunUpper(m_numRepetitions);

    m_Support.firePropertyChange("", null, null);
  }

  /**
   * Lets user enter username/password/URL.
   */
  private void chooseURLUsername() {
    String dbaseURL=((DatabaseResultListener)m_Exp.getResultListener()).getDatabaseURL();
    String username=((DatabaseResultListener)m_Exp.getResultListener()).getUsername();
    DatabaseConnectionDialog dbd= new DatabaseConnectionDialog(null,dbaseURL,username);
    dbd.setVisible(true);
      
    //if (dbaseURL == null) {
    if (dbd.getReturnValue()==JOptionPane.CLOSED_OPTION) {
      return;
    }

    ((DatabaseResultListener)m_Exp.getResultListener()).setUsername(dbd.getUsername());
    ((DatabaseResultListener)m_Exp.getResultListener()).setPassword(dbd.getPassword());
    ((DatabaseResultListener)m_Exp.getResultListener()).setDatabaseURL(dbd.getURL());
    ((DatabaseResultListener)m_Exp.getResultListener()).setDebug(dbd.getDebug());
  }
  /**
   * Lets user browse for a destination file..
   */
  private void chooseDestinationFile() {

    FileFilter fileFilter = null;
    if (m_ResultsDestinationCBox.getSelectedItem() == DEST_CSV_TEXT) {
      fileFilter = m_csvFileFilter;
    } else {
      fileFilter = m_arffFileFilter;
    }
    m_DestFileChooser.setFileFilter(fileFilter);
    int returnVal = m_DestFileChooser.showSaveDialog(this);
    if (returnVal != JFileChooser.APPROVE_OPTION) {
      return;
    }
    m_ResultsDestinationPathTField.setText(m_DestFileChooser.getSelectedFile().toString());
  }

  /**
   * Tests out the experiment setup from the command line.
   *
   * @param args arguments to the program.
   */
  public static void main(String [] args) {

  }
}