votedisplaycontrol.java

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/*
VoteDisplayControlPanel controls what data the various GraphPanels display
Copyright (C) 2005-2006  Igor Partola, Michael J. Krikonis, Clark University

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

package SharedClasses;

import java.io.Serializable;
import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.util.*;

public class VoteDisplayControl extends javax.swing.JPanel implements Syncable, Serializable {
    
    public VoteDisplayControl() {
        initComponents();
    }
    
    private void initComponents() {//GEN-BEGIN:initComponents
        QuestionComboBox = new javax.swing.JComboBox();
        DataSetComboBox = new javax.swing.JComboBox();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        DisplayPercentageCheckBox = new javax.swing.JCheckBox();

        setLayout(null);

        setBorder(new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.RAISED));
        QuestionComboBox.setFont(new java.awt.Font("Tahoma", 0, 11));
        QuestionComboBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                QuestionComboBoxActionPerformed(evt);
            }
        });

        add(QuestionComboBox);
        QuestionComboBox.setBounds(30, 40, 120, 20);

        DataSetComboBox.setFont(new java.awt.Font("Tahoma", 0, 11));
        DataSetComboBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                DataSetComboBoxActionPerformed(evt);
            }
        });

        add(DataSetComboBox);
        DataSetComboBox.setBounds(180, 40, 120, 20);

        jLabel1.setFont(new java.awt.Font("Tahoma", 0, 11));
        jLabel1.setText("Question");
        add(jLabel1);
        jLabel1.setBounds(20, 20, 70, 15);

        jLabel2.setFont(new java.awt.Font("Tahoma", 0, 11));
        jLabel2.setText("Results");
        add(jLabel2);
        jLabel2.setBounds(170, 20, 60, 14);

        DisplayPercentageCheckBox.setFont(new java.awt.Font("Tahoma", 0, 11));
        DisplayPercentageCheckBox.setText("Display results as %");
        DisplayPercentageCheckBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                DisplayPercentageCheckBoxActionPerformed(evt);
            }
        });

        add(DisplayPercentageCheckBox);
        DisplayPercentageCheckBox.setBounds(20, 80, 130, 23);

    }//GEN-END:initComponents

    private void DisplayPercentageCheckBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_DisplayPercentageCheckBoxActionPerformed
        int i;
        GraphPanel gp;

        for (i = 0; i < GraphPanelVector.size(); i++) {
            gp = (GraphPanel) GraphPanelVector.elementAt(i);
            gp.setDisplayPercentage(DisplayPercentageCheckBox.isSelected());
        }            
    }//GEN-LAST:event_DisplayPercentageCheckBoxActionPerformed

    private void DataSetComboBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_DataSetComboBoxActionPerformed
        int i;
        GraphPanel gp;

        int qi = QuestionComboBox.getSelectedIndex();
        int di = DataSetComboBox.getSelectedIndex();
        if ((qi < 0) || (di < 0)) return;
        
        Question q = QuestionVector.getQuestionAt(qi);
        DataSet ds = q.getDataSetAt(di);
        
        for (i = 0; i < GraphPanelVector.size(); i++) {
            gp = (GraphPanel) GraphPanelVector.elementAt(i);
            gp.updateVotes(ds);
        }

    }//GEN-LAST:event_DataSetComboBoxActionPerformed

    private void QuestionComboBoxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_QuestionComboBoxActionPerformed
        if (QuestionComboBox.getSelectedIndex() < 0) return;
        Question q = (Question) QuestionVector.getQuestionAt(QuestionComboBox.getSelectedIndex());
        
        GraphPanel gp;
        Vector w = q.getDataSetListing();
        int i;
        String s;
        
        DataSetComboBox.removeAllItems();
        for (i = 0; i < w.size(); i++) {
            s = (String) w.elementAt(i);
            DataSetComboBox.addItem(s);
        }
        
        DataSetComboBox.setSelectedIndex(DataSetComboBox.getItemCount() - 1);

        for (i = 0; i < GraphPanelVector.size(); i++) {
            gp = (GraphPanel) GraphPanelVector.elementAt(i);
            gp.setQuestion(q);
        }
    }//GEN-LAST:event_QuestionComboBoxActionPerformed

    public void syncComboBoxes() {
        Vector v = QuestionVector.getQuestionListing();
        Vector w;
        
        if (v.size() < 1) return;
        Question q;
        String s;
        int i, j;
        int indx = QuestionComboBox.getSelectedIndex();
        
        if (indx == v.size()) indx--;

        if (indx < 0) indx = 0;
        
        QuestionComboBox.removeAllItems();
        for (i = 0; i < QuestionVector.size(); i++) {
            QuestionComboBox.addItem(v.elementAt(i));
        }
        QuestionComboBox.setSelectedIndex(indx);
        
    }
    
    public void setBounds(int x, int y, int width, int height) {
        jLabel1.setBounds(width/9 - 10, 10, 70, 15);
        jLabel2.setBounds(2*width/9 + width/3 - 10, 10, 70, 15);
        QuestionComboBox.setBounds(width/9, 30, 3*width/9, 20);
        DataSetComboBox.setBounds(2*width/9 + width/3, 30, 3*width/9, 20);

        DisplayPercentageCheckBox.setBounds(width/11, 60, 8*width/9, 20);
        
        
        super.setBounds(x, y, width, height);
    }

    public void addGraphPanel(GraphPanel g) {
        GraphPanelVector.addElement(g);
    }
    
    public void removeGraphPanel(GraphPanel g) {
        GraphPanelVector.removeElement(g);
    }
    
    public void setJPQuestionVector(JPQuestionVector qv) {
        QuestionVector = qv;
        syncComboBoxes();
        QuestionVector.addListener(this);
    }
    
    public void setQuestionIndex(int i) {
        QuestionComboBox.setSelectedIndex(i);
    }
    
    public void setDataSetIndex(int i) {
        DataSetComboBox.setSelectedIndex(i);
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JComboBox DataSetComboBox;
    private javax.swing.JCheckBox DisplayPercentageCheckBox;
    private javax.swing.JComboBox QuestionComboBox;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    // End of variables declaration//GEN-END:variables
    
    private JPQuestionVector QuestionVector;
    private Vector GraphPanelVector = new Vector();
}