coursespanel.java

The program is used for Classroom Scheduling for tutors and students. It contain gui tools for mana

/**
 *  Classroom Scheduler
 *  Copyright (C) 2004 Colin Archibald, Ph.D.
 *  https://sourceforge.net/projects/cr-scheduler/
 *
 *  Licensed under the Academic Free License version 2.0
 */

package panels;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.table.*;
import application.*;
import resources.*;

/**
 *
 * @author  Colin
 */
public class CoursesPanel extends javax.swing.JPanel implements Observer {
    
    /** Creates new form TestGridbag */
    public CoursesPanel() {
        initComponents();
        ptm = new CoursesTableModel();
        sorter = new TableSorter(ptm);
        sorter.addMouseListenerToHeaderInTable(jTable1);
        jTable1.setModel(sorter);
        addListeners();
        setColumnSizes();
    }
    private void setColumnSizes(){
        // adjust the width of the columns
        TableColumn column = null;
        
        column = jTable1.getColumnModel().getColumn(0);
        column.setPreferredWidth(30);
        //column.setMaxWidth(20);
        column = jTable1.getColumnModel().getColumn(1);
        column.setPreferredWidth(30);
        //column.setMaxWidth(20);
        column = jTable1.getColumnModel().getColumn(2);
        column.setPreferredWidth(30);
        //column.setMaxWidth(20);
        column = jTable1.getColumnModel().getColumn(3);
        column.setPreferredWidth(70);
        column = jTable1.getColumnModel().getColumn(4);
        column.setPreferredWidth(30);
        //column.setMaxWidth(20);
        
        prefixColumn = jTable1.getColumnModel().getColumn(0);
        prefixColumn.setCellEditor(new DefaultCellEditor(editPrefix));
        numberColumn = jTable1.getColumnModel().getColumn(1);
        numberColumn.setCellEditor(new DefaultCellEditor(editNumber));
        sectionColumn = jTable1.getColumnModel().getColumn(2);
        sectionColumn.setCellEditor(new DefaultCellEditor(editSection));
        nameColumn = jTable1.getColumnModel().getColumn(3);
        nameColumn.setCellEditor(new DefaultCellEditor(editName));
        creditsColumn = jTable1.getColumnModel().getColumn(4);
        creditsColumn.setCellEditor(new DefaultCellEditor(editCredits));
    }
    
    private void addListeners() {
        coursesPanelListener = new CoursesPanelListener();
        jButton1.addActionListener(coursesPanelListener);
        jButton2.addActionListener(coursesPanelListener);
        
        CourseColListener ccl = new CourseColListener();        
        editPrefix.addActionListener(ccl);
        editNumber.addActionListener(ccl);
        editSection.addActionListener(ccl);
        editName.addActionListener(ccl);
        editCredits.addActionListener(ccl);
                        
        
   /*
        editBuilding.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
                int row = jTable1.getSelectedRow();
                int theRealIndex = sorter.map(row);
                if (theRealIndex >= 0) {
                    String buildingStr = editBuilding.getText();
                    Classroom roomModified = (Classroom)schedule.getClassrooms().elementAt(theRealIndex);
                    roomModified.setBuilding(buildingStr);
                    ptm.fireTableDataChanged();
                    schedule.setChanged(true);
                }
            }
        });
*/
    }
    
    /** 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.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        jPanel1 = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        jTable1 = new javax.swing.JTable();
        jPanel3 = new javax.swing.JPanel();
        jButton1 = new javax.swing.JButton();
        jPanel2 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        tfPrefix = new javax.swing.JTextField();
        tfNumber = new javax.swing.JTextField();
        tfName = new javax.swing.JTextField();
        tfCredits = new javax.swing.JTextField();
        tfSectionPrefix = new javax.swing.JTextField();
        tfHowMany = new javax.swing.JTextField();
        jPanel4 = new javax.swing.JPanel();
        jButton2 = new javax.swing.JButton();

        setLayout(new java.awt.GridBagLayout());

        jPanel1.setLayout(new java.awt.GridBagLayout());

        jScrollPane1.setToolTipText("Double Click in cell to change section info, or on header to sort");
        jTable1.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null},
                {null, null, null, null}
            },
            new String [] {
                "Title 1", "Title 2", "Title 3", "Title 4"
            }
        ));
        jTable1.setToolTipText("Double click to change info in cell");
        jScrollPane1.setViewportView(jTable1);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 0.9;
        gridBagConstraints.weighty = 0.9;
        jPanel1.add(jScrollPane1, gridBagConstraints);

        jButton1.setText("Delete Selected Course(s)");
        jButton1.setToolTipText("Delete selected sections from list");
        jButton1.setMaximumSize(new java.awt.Dimension(250, 26));
        jButton1.setMinimumSize(new java.awt.Dimension(200, 26));
        jButton1.setPreferredSize(new java.awt.Dimension(215, 26));
        jPanel3.add(jButton1);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(17, 0, 17, 0);
        jPanel1.add(jPanel3, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.ipadx = -53;
        gridBagConstraints.ipady = -25;
        gridBagConstraints.weightx = 0.5;
        gridBagConstraints.weighty = 0.5;
        gridBagConstraints.insets = new java.awt.Insets(17, 17, 0, 0);
        add(jPanel1, gridBagConstraints);

        jPanel2.setLayout(new java.awt.GridBagLayout());

        jPanel2.setBorder(new javax.swing.border.CompoundBorder(new javax.swing.border.EtchedBorder(), new javax.swing.border.BevelBorder(javax.swing.border.BevelBorder.RAISED)));
        jLabel1.setText("Course Prefix:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(17, 6, 0, 0);
        jPanel2.add(jLabel1, gridBagConstraints);

        jLabel2.setText("Number:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 0);
        jPanel2.add(jLabel2, gridBagConstraints);

        jLabel3.setText("Name:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 0);
        jPanel2.add(jLabel3, gridBagConstraints);

        jLabel4.setText("Credits:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 6;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 0);
        jPanel2.add(jLabel4, gridBagConstraints);

        jLabel5.setText("Section Prefix:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 8;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 0);
        jPanel2.add(jLabel5, gridBagConstraints);

        jLabel6.setText("How Many Sections:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 10;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 0);
        jPanel2.add(jLabel6, gridBagConstraints);

        tfPrefix.setToolTipText("e.g. COP for Computer Programming");
        tfPrefix.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                tfPrefixActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(17, 6, 0, 18);
        jPanel2.add(tfPrefix, gridBagConstraints);

        tfNumber.setToolTipText("e.g. 2800");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 18);
        jPanel2.add(tfNumber, gridBagConstraints);

        tfName.setToolTipText("e.g. Intro to Java");
        tfName.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                tfNameActionPerformed(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.gridwidth = 5;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.ipadx = 200;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(6, 6, 0, 18);
        jPanel2.add(tfName, gridBagConstraints);

        tfCredits.setToolTipText("e.g. 3.0");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 6;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;