addnewvideodialog.java

本人写的一个简单VCD租赁系统

//************************************************
//AddNewVideoDialog.java
//This class is used to create an GUI dialog for
//adding new videos to the stock.
//Created by Xiaobin Lin               3/Dec/2004
//************************************************

package Main;

import javax.swing.*;
import javax.swing.WindowConstants;
import javax.swing.text.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;

public class AddNewVideoDialog extends JDialog {
    
    //Constructor: automatically invoked when a new instance of AddNewVideoDialog is created
    public AddNewVideoDialog(Frame parent, boolean modal, VideoSet vSet) {
        super(parent, modal);
        videoSet = vSet;
        initComponents();
    }
    
    // This method is called from within the constructor to
    // initialize the GUI for the add-new-video dialog.
    private void initComponents() {
        panelMessage = new JPanel();
        textAreaStep = new JTextArea();
        labelSteps = new JLabel();
        labelNotes = new JLabel();
        textAreaNotes = new JTextArea();
        panelFileds = new JPanel();
        labelClassNo = new JLabel();
        labelTitle = new JLabel();
        labelDirector = new JLabel();
        labelLangClass = new JLabel();
        labelSpecificLang = new JLabel();
        comboBoxLangClass = new JComboBox();
        textFieldTitle = new JTextField();
        textFieldDirector = new JTextField();
        textFieldSpecificLang = new JTextField();
        formattedTextFieldClassNo = new JFormattedTextField(createFormatter("#####"));
        buttonAdd = new JButton();
        buttonCancel = new JButton();

        getContentPane().setLayout(null);

        setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        setTitle("Add a New Video");
        setModal(true);
        setName("dialogAddNewVideo");
        setResizable(false);
        panelMessage.setLayout(null);

        panelMessage.setFont(new Font("Times New Roman", 0, 12));
        textAreaStep.setEditable(false);
        textAreaStep.setFont(new Font("Times New Roman", 1, 12));
        textAreaStep.setText("Fill in all the fields on\nthe right-hand side then\nclick the \"Add\" button to\nadd a new video.");
        textAreaStep.setFocusable(false);
        textAreaStep.setOpaque(false);
        panelMessage.add(textAreaStep);
        textAreaStep.setBounds(10, 40, 160, 60);

        labelSteps.setFont(new Font("Times New Roman", 1, 14));
        labelSteps.setText("Steps");
        panelMessage.add(labelSteps);
        labelSteps.setBounds(10, 10, 60, 20);

        labelNotes.setFont(new Font("Times New Roman", 1, 14));
        labelNotes.setText("Notes");
        panelMessage.add(labelNotes);
        labelNotes.setBounds(10, 200, 40, 20);

        textAreaNotes.setEditable(false);
        textAreaNotes.setFont(new Font("Times New Roman", 1, 12));
        textAreaNotes.setText("The \"Class #\" field can only \nbe a 5-digit integer.");
        textAreaNotes.setFocusable(false);
        textAreaNotes.setOpaque(false);
        panelMessage.add(textAreaNotes);
        textAreaNotes.setBounds(10, 230, 160, 40);

        getContentPane().add(panelMessage);
        panelMessage.setBounds(0, 0, 180, 330);

        panelFileds.setLayout(null);

        labelClassNo.setFont(new Font("Times New Roman", 1, 12));
        labelClassNo.setHorizontalAlignment(SwingConstants.TRAILING);
        labelClassNo.setText("Class #:");
        panelFileds.add(labelClassNo);
        labelClassNo.setBounds(70, 20, 50, 20);

        labelTitle.setFont(new Font("Times New Roman", 1, 12));
        labelTitle.setHorizontalAlignment(SwingConstants.TRAILING);
        labelTitle.setText("Title:");
        panelFileds.add(labelTitle);
        labelTitle.setBounds(80, 80, 40, 20);

        labelDirector.setFont(new Font("Times New Roman", 1, 12));
        labelDirector.setHorizontalAlignment(SwingConstants.TRAILING);
        labelDirector.setText("Director:");
        panelFileds.add(labelDirector);
        labelDirector.setBounds(60, 140, 60, 20);

        labelLangClass.setFont(new Font("Times New Roman", 1, 12));
        labelLangClass.setHorizontalAlignment(SwingConstants.TRAILING);
        labelLangClass.setText("Lang Class:");
        panelFileds.add(labelLangClass);
        labelLangClass.setBounds(50, 200, 70, 20);

        labelSpecificLang.setFont(new Font("Times New Roman", 1, 12));
        labelSpecificLang.setHorizontalAlignment(SwingConstants.TRAILING);
        labelSpecificLang.setText("Specific Language:");
        panelFileds.add(labelSpecificLang);
        labelSpecificLang.setBounds(10, 260, 110, 20);

        comboBoxLangClass.setFont(new Font("Times New Roman", 0, 12));
        comboBoxLangClass.setModel(new DefaultComboBoxModel(new String[] { "1", "2" }));
        panelFileds.add(comboBoxLangClass);
        comboBoxLangClass.setBounds(140, 200, 100, 22);

        textFieldTitle.setFont(new Font("Times New Roman", 0, 12));
        panelFileds.add(textFieldTitle);
        textFieldTitle.setBounds(140, 80, 210, 19);

        textFieldDirector.setFont(new Font("Times New Roman", 0, 12));
        panelFileds.add(textFieldDirector);
        textFieldDirector.setBounds(140, 140, 140, 19);

        textFieldSpecificLang.setFont(new Font("Times New Roman", 0, 12));
        panelFileds.add(textFieldSpecificLang);
        textFieldSpecificLang.setBounds(140, 260, 100, 19);

        formattedTextFieldClassNo.setText("10000");
        formattedTextFieldClassNo.setFont(new Font("Times New Roman", 0, 12));
        panelFileds.add(formattedTextFieldClassNo);
        formattedTextFieldClassNo.setBounds(140, 20, 50, 19);

        getContentPane().add(panelFileds);
        panelFileds.setBounds(180, 0, 370, 330);

        buttonAdd.setFont(new Font("Times New Roman", 0, 12));
        buttonAdd.setText("Add");
        buttonAdd.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                buttonAddActionPerformed(evt);
            }
        });

        getContentPane().add(buttonAdd);
        buttonAdd.setBounds(380, 350, 80, 23);

        buttonCancel.setFont(new Font("Times New Roman", 0, 12));
        buttonCancel.setText("Cancel");
        buttonCancel.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                buttonCancelActionPerformed(evt);
            }
        });

        getContentPane().add(buttonCancel);
        buttonCancel.setBounds(470, 350, 80, 23);

        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        setBounds((screenSize.width-570)/2, (screenSize.height-420)/2, 570, 420);
    }//The end of initialization of components

    //A method for creating a MaskFormatter, this is used to format formattedTextFieldClassNo
    //to make it only accept a 5-digit integer
    protected MaskFormatter createFormatter(String s) {
        MaskFormatter formatter = null;
        try {
            formatter = new MaskFormatter(s);
        } catch (ParseException exc) {
            System.err.println("formatter is bad: " + exc.getMessage());
            System.exit(-1);
        }
        return formatter;
    }
    
    //when add button is pressed
    private void buttonAddActionPerformed(ActionEvent evt) {
        videoClassNo = Integer.parseInt(formattedTextFieldClassNo.getText());
        videoTitle = textFieldTitle.getText();
        videoDirector = textFieldDirector.getText();
        videoLangClass = Integer.parseInt((String)comboBoxLangClass.getSelectedItem());
        videoSpecificLang = textFieldSpecificLang.getText();
        Video video = new Video(videoClassNo, videoTitle, videoDirector, videoLangClass, videoSpecificLang);
        videoSet.addNewVideo(video);
        exitDialog();
    }

    //When cancel button is pressed
    private void buttonCancelActionPerformed(ActionEvent evt) {
        exitDialog();
    }
    
    //close dialog
    private void exitDialog(){
        setVisible(false);
        dispose();        
    }
    
       
    //Variables declaration - GUI-related
    private JButton buttonAdd;
    private JButton buttonCancel;
    private JComboBox comboBoxLangClass;
    private JFormattedTextField formattedTextFieldClassNo;
    private JLabel labelClassNo;
    private JLabel labelDirector;
    private JLabel labelLangClass;
    private JLabel labelNotes;
    private JLabel labelSpecificLang;
    private JLabel labelSteps;
    private JLabel labelTitle;
    private JPanel panelFileds;
    private JPanel panelMessage;
    private JTextArea textAreaNotes;
    private JTextArea textAreaStep;
    private JTextField textFieldDirector;
    private JTextField textFieldSpecificLang;
    private JTextField textFieldTitle;
    //variables declaration - non-GUI-related
    private VideoSet videoSet;
    private int videoClassNo;
    private String videoTitle;
    private String videoDirector;
    private int videoLangClass;
    private String videoSpecificLang;    
}