/*
 * CorrelationRegressionDialog.java
 *
 * Created on July 8, 2008, 2:43 PM
 */

package org.statcato.dialogs.stat.correg;

import org.statcato.graph.StatcatoChartFrame;
import org.statcato.*;
import org.statcato.spreadsheet.*;
import org.statcato.utils.HelperFunctions;
import org.statcato.statistics.inferential.*;
import org.statcato.graph.GraphFactory;

import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.chart.*;

import java.util.*;
import javax.swing.*;

/**
 * A dialog for linear correlation and regression between all pairs of selected
 * variables.
 * Allows the user to specify a list of at least two variable and
 * significance level.  Computes linear correlation coefficient, 
 * critical value, p-Value, regression equation, explained, unexplained
 * and total variations, coefficient of determination, and standard error
 * of estimate.  Displays results in a tabular format in the log window.
 * Provides the option of creating a scatterplot of the data.
 * 
 * @author  Margaret Yau
 * @version %I%, %G%
 * @see org.statcato.statistics.inferential.CorrelationRegression
 * @since 1.0
 */
public class CorrelationMatrixDialog extends StatcatoDialog {

    /** Creates new form CorrelationRegressionDialog */
    public CorrelationMatrixDialog(java.awt.Frame parent, boolean modal,
            Statcato app) {
        super(parent, modal);
        this.app = app;
        ParentSpreadsheet = app.getSpreadsheet(); 
      
        initComponents();
        customInitComponents();    
        setHelpFile("stat-reg-two-variables-all-pairs");
        name = "Linear Correlation and Regression (All Pairs)";
        description = "For performing computations that determine the " +
                "correlation and regression for pairs of variables. ";
        helpStrings.add("Select the columns containing data values for " +
                "the input variables.");
        helpStrings.add("A correlation and regression analysis is done for " +
                "all pairs of variables."); 
        helpStrings.add("Enter the significance level of the hypothesis test for correlation.");
        helpStrings.add("Select the Show a scatterplot for all pairs of data " +
                "values check box to display a scatter plot " +
                "showing data values in each pair of input variables.");
    }

    /**
     * Updates elements on the dialog so that they have the most
     * current values.  Called by {@link #setVisible} to make
     * sure the dialog displays current values when made visible again.
     * 
     * @see #setVisible(boolean)
     */
    @Override
    public void updateElements() {
        // update column list
        clearMutableColumnsList(ColList);
        clearMutableColumnsList(VarList);        
        ParentSpreadsheet.populateMutableColumnsList(ColList);
    }
    
    public void customInitComponents() {  
        ParentSpreadsheet.populateMutableColumnsList(ColList);
        ColList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
        VarList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

        GraphPanel.setVisible(false);
        getRootPane().setDefaultButton(OKButton);
        pack();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // //GEN-BEGIN:initComponents
    private void initComponents() {

        OKButton = new javax.swing.JButton();
        CancelButton = new javax.swing.JButton();
        jPanel1 = new javax.swing.JPanel();
        ClearButton1 = new javax.swing.JButton();
        jLabel1 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        VarList = new JList(new DefaultListModel());
        AddButton = new javax.swing.JButton();
        RemoveButton = new javax.swing.JButton();
        jLabel2 = new javax.swing.JLabel();
        jScrollPane2 = new javax.swing.JScrollPane();
        ColList = new JList(new DefaultListModel());
        jPanel2 = new javax.swing.JPanel();
        jLabel6 = new javax.swing.JLabel();
        SigTextField = new javax.swing.JTextField();
        GraphCheckBox = new javax.swing.JCheckBox();
        GraphPanel = new javax.swing.JPanel();
        jLabel7 = new javax.swing.JLabel();
        jLabel8 = new javax.swing.JLabel();
        LegendCheckBox = new javax.swing.JCheckBox();
        YTextField = new javax.swing.JTextField();
        TitleTextField = new javax.swing.JTextField();
        XTextField = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        LineCheckBox = new javax.swing.JCheckBox();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("Correlation Matrix");

        OKButton.setText("OK");
        OKButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                OKButtonActionPerformed(evt);
            }
        });

        CancelButton.setText("Cancel");
        CancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CancelButtonActionPerformed(evt);
            }
        });

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Inputs"));

        ClearButton1.setText("Clear Input List");
        ClearButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ClearButton1ActionPerformed(evt);
            }
        });

        jLabel1.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        jLabel1.setText("Variables:");

        VarList.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
            public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
                VarListValueChanged(evt);
            }
        });
        jScrollPane1.setViewportView(VarList);

        AddButton.setText("<< Add to list");
        AddButton.setEnabled(false);
        AddButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                AddButtonActionPerformed(evt);
            }
        });

        RemoveButton.setText("Remove from list >>");
        RemoveButton.setEnabled(false);
        RemoveButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                RemoveButtonActionPerformed(evt);
            }
        });

        jLabel2.setText("Select the column(s) to be 
included in the analysis
\n(Ctrl-click or Shift-click to 
\nselect multiple columns):");

        ColList.addListSelectionListener(new javax.swing.event.ListSelectionListener() {
            public void valueChanged(javax.swing.event.ListSelectionEvent evt) {
                ColListValueChanged(evt);
            }
        });
        jScrollPane2.setViewportView(ColList);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addComponent(ClearButton1)
                .addGap(0, 0, Short.MAX_VALUE))
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(18, 18, 18)
                        .addComponent(jLabel1))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 103, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(jPanel1Layout.createSequentialGroup()
                                .addGap(0, 0, Short.MAX_VALUE)
                                .addComponent(RemoveButton))
                            .addComponent(AddButton, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(47, 47, 47))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel1))
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jScrollPane2)
                            .addComponent(jScrollPane1))
                        .addGap(35, 35, 35))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(40, 40, 40)
                        .addComponent(AddButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(RemoveButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
                .addComponent(ClearButton1))
        );

        jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Significance"));

        jLabel6.setText("Significance level:");

        SigTextField.setText("0.05");

        javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
        jPanel2.setLayout(jPanel2Layout);
        jPanel2Layout.setHorizontalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jLabel6)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(SigTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(175, Short.MAX_VALUE))
        );
        jPanel2Layout.setVerticalGroup(
            jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel2Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel6)
                    .addComponent(SigTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        GraphCheckBox.setText("Show a scatterplot for all pairs of data values");
        GraphCheckBox.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(javax.swing.event.ChangeEvent evt) {
                GraphCheckBoxStateChanged(evt);
            }
        });

        GraphPanel.setBorder(javax.swing.BorderFactory.createTitledBorder("Graph Options"));

        jLabel7.setText("Plot Title:");

        jLabel8.setText("X-axis Label:");

        LegendCheckBox.setSelected(true);
        LegendCheckBox.setText("Show legend");

        YTextField.setText("y");

        TitleTextField.setText("Scatterplot");

        XTextField.setText("x");

        jLabel5.setText("Y-axis Label:");

        LineCheckBox.setSelected(true);
        LineCheckBox.setText("Show regression line");

        javax.swing.GroupLayout GraphPanelLayout = new javax.swing.GroupLayout(GraphPanel);
        GraphPanel.setLayout(GraphPanelLayout);
        GraphPanelLayout.setHorizontalGroup(
            GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(GraphPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(LineCheckBox)
                    .addComponent(LegendCheckBox)
                    .addGroup(GraphPanelLayout.createSequentialGroup()
                        .addGroup(GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel5)
                            .addComponent(jLabel7))
                        .addGap(18, 18, 18)
                        .addGroup(GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(TitleTextField)
                            .addComponent(XTextField)
                            .addComponent(YTextField, javax.swing.GroupLayout.DEFAULT_SIZE, 188, Short.MAX_VALUE)))
                    .addComponent(jLabel8))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        GraphPanelLayout.setVerticalGroup(
            GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(GraphPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel8)
                    .addComponent(XTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5)
                    .addComponent(YTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(GraphPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel7)
                    .addComponent(TitleTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(LegendCheckBox)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(LineCheckBox)
                .addContainerGap(17, Short.MAX_VALUE))
        );

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 501, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(GraphPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(GraphCheckBox))
                        .addContainerGap(43, Short.MAX_VALUE))
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(0, 0, Short.MAX_VALUE))))
            .addGroup(layout.createSequentialGroup()
                .addGap(301, 301, 301)
                .addComponent(OKButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(CancelButton)
                .addGap(0, 0, Short.MAX_VALUE))
        );

        layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {CancelButton, OKButton});

        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap(16, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(GraphCheckBox)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(GraphPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(OKButton)
                    .addComponent(CancelButton)))
        );

        pack();
    }// //GEN-END:initComponents

    private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
        app.compoundEdit = new DialogEdit("correlation matrix");
        
        double significance = 0;
        String heading = "Correlation Matrix:";
        String text = "";
        String correlationMatrix = "";
        String detailsMatrix = "";

        // check for at least two variables
        if (VarList.getModel().getSize() < 2) {
            app.showErrorDialog("Add at least two variables.");
            return;
        }

        // get confidence level from dialog
        try {
            significance = Double.parseDouble(SigTextField.getText());
        } catch (NumberFormatException e) {
            app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
            return;
        }
        if (significance <= 0 || significance >= 1) {
            app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
            return;
        }        
        heading += "  Significance level = " + significance;

        XYSeriesCollection seriesCollection = new XYSeriesCollection();
        double min = 0, max = 0;

        int selectedXColumn, selectedYColumn;
        Vector XColumnVector, YColumnVector;
        String x, y;
        
        correlationMatrix += "";
        detailsMatrix += "
";
        
        // display table heading
        correlationMatrix += "";
        detailsMatrix += "";
        for (int i = 0; i < VarList.getModel().getSize(); ++i) {
            x = (String) VarList.getModel().getElementAt(i);
            
            selectedXColumn = ParentSpreadsheet.parseColumnNumber(x);
            
            correlationMatrix += "";
            detailsMatrix += "";
        }
        correlationMatrix += "";
        detailsMatrix += "";
        
        // go through each possible pairs of variables
        for (int i = 0; i < VarList.getModel().getSize(); ++i) {
            x = (String) VarList.getModel().getElementAt(i);
            
            selectedXColumn = ParentSpreadsheet.parseColumnNumber(x);
            
            correlationMatrix += "";
            detailsMatrix += "";
            
            for (int j = 0; j < VarList.getModel().getSize(); ++j) {
                correlationMatrix += "";
                detailsMatrix += "";
            }
            correlationMatrix += "";
            detailsMatrix += "";
        }
     
        correlationMatrix += "
 
 " + x + "" + x + "
" + x + "
" + x + "";
                detailsMatrix += "";
                
                y = (String) VarList.getModel().getElementAt(j);

                selectedYColumn = ParentSpreadsheet.parseColumnNumber(y);

                detailsMatrix += "x = " + x + "
";
                detailsMatrix += "y = " + y + "
";

                Vector StrColumnVector = ParentSpreadsheet.getColumn(selectedXColumn);
                // get x input column of doubles
                XColumnVector =
                        HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);

                if (XColumnVector == null) {
                    app.showErrorDialog("Invalid input column " + x
                            + ": all data must be numbers.");
                    return;
                }
                XColumnVector = HelperFunctions.removeNullValues(XColumnVector);

                StrColumnVector = ParentSpreadsheet.getColumn(selectedYColumn);
                // get y input column of doubles
                YColumnVector =
                        HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);

                if (YColumnVector == null) {
                    app.showErrorDialog("Invalid input column " + y
                            + ": all data must be numbers.");
                    return;
                }
                YColumnVector = HelperFunctions.removeNullValues(YColumnVector);

                if (XColumnVector.size() != YColumnVector.size()) {
                    app.showErrorDialog("The number of x values must be the "
                            + "same as the number of y values.");
                    return;
                }

                // compute linear correlation and regression
                CorrelationRegression CG = new CorrelationRegression(
                        XColumnVector, YColumnVector, significance);
                detailsMatrix += CG;
                correlationMatrix += HelperFunctions.formatFloat(CG.LinearCorrelationCoeff(), 4);

                // create new series
                if (i < j) {
                    XYSeries series = new XYSeries(x + ", " + y);
                    for (int k = 0; k < XColumnVector.size(); ++k) {
                        double value = XColumnVector.elementAt(k).doubleValue();
                        if (value < min) {
                            min = value;
                        }
                        if (value > max) {
                            max = value;
                        }
                        series.add(value,
                                YColumnVector.elementAt(k).doubleValue());
                    }
                    seriesCollection.addSeries(series);
                }
                
                correlationMatrix += "
";
        detailsMatrix += "";
        
        text += "
" + correlationMatrix + "
";
        text += "
Details:
";
        text += "
"+ detailsMatrix + "
";
        
        app.addLogParagraph(heading, text);

        // create scatterplot
        if (GraphCheckBox.isSelected()) {
            JFreeChart chart = GraphFactory.createScatterplot(
                    seriesCollection, 
                    TitleTextField.getText(), 
                    XTextField.getText(), 
                    YTextField.getText(), 
                    LegendCheckBox.isSelected(), 
                    LineCheckBox.isSelected(),
                    min, 
                    max);        
            StatcatoChartFrame frame = 
                    new StatcatoChartFrame(TitleTextField.getText(), chart, app);
            frame.pack();
            frame.setVisible(true);
        }
        
        app.compoundEdit.end();
        app.addCompoundEdit(app.compoundEdit);
        
        setVisible(false);
    }//GEN-LAST:event_OKButtonActionPerformed

    private void CancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CancelButtonActionPerformed
        setVisible(false);
    }//GEN-LAST:event_CancelButtonActionPerformed

    private void GraphCheckBoxStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_GraphCheckBoxStateChanged
        if (GraphCheckBox.isSelected()) {
            GraphPanel.setVisible(true);
            pack();
        }
        else {
            GraphPanel.setVisible(false);
            pack();
        }
}//GEN-LAST:event_GraphCheckBoxStateChanged

    private void ClearButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_ClearButton1ActionPerformed
        clearMutableColumnsList(ColList);
        clearMutableColumnsList(VarList);
        ParentSpreadsheet.populateMutableColumnsList(ColList);
}//GEN-LAST:event_ClearButton1ActionPerformed

    private void VarListValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_VarListValueChanged
        if (VarList.getSelectedIndex() != -1) {
            RemoveButton.setEnabled(true);
            RemoveButton.requestFocusInWindow();
        }
        else
        RemoveButton.setEnabled(false);
    }//GEN-LAST:event_VarListValueChanged

    private void AddButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_AddButtonActionPerformed
        Object[] list = ColList.getSelectedValues();
        for (int i = 0; i < list.length; ++i) {
            String x = (String)list[i];
            ((DefaultListModel)VarList.getModel()).addElement(x);
            ((DefaultListModel)ColList.getModel()).removeElement(x);
        }
        OKButton.requestFocusInWindow();
    }//GEN-LAST:event_AddButtonActionPerformed

    private void RemoveButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_RemoveButtonActionPerformed
        Object[] list = VarList.getSelectedValues();
        for (int i = 0; i < list.length; ++i) {
            String x = (String)list[i];
            ((DefaultListModel)ColList.getModel()).addElement(x);
            ((DefaultListModel)VarList.getModel()).removeElement(x);
        }
        OKButton.requestFocusInWindow();
    }//GEN-LAST:event_RemoveButtonActionPerformed

    private void ColListValueChanged(javax.swing.event.ListSelectionEvent evt) {//GEN-FIRST:event_ColListValueChanged
        if (ColList.getSelectedIndex() != -1) {
            AddButton.setEnabled(true);
            AddButton.requestFocusInWindow();
        }
        else {
            AddButton.setEnabled(false);
        }
    }//GEN-LAST:event_ColListValueChanged
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton AddButton;
    private javax.swing.JButton CancelButton;
    private javax.swing.JButton ClearButton1;
    private javax.swing.JList ColList;
    private javax.swing.JCheckBox GraphCheckBox;
    private javax.swing.JPanel GraphPanel;
    private javax.swing.JCheckBox LegendCheckBox;
    private javax.swing.JCheckBox LineCheckBox;
    private javax.swing.JButton OKButton;
    private javax.swing.JButton RemoveButton;
    private javax.swing.JTextField SigTextField;
    private javax.swing.JTextField TitleTextField;
    private javax.swing.JList VarList;
    private javax.swing.JTextField XTextField;
    private javax.swing.JTextField YTextField;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    // End of variables declaration//GEN-END:variables
    
}

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