findtitledialog.java

数据结构及算法 对于参加ACM的学生有一定帮助 里面有详细的解答

//
//  Unified Library Application
//  Case study in Unified Modeling Language Toolkit
//
//  FindTitleDialog.java
//
//
//  Copyright (c) 1998 John Wiley & Sons, Inc. All rights reserved.
//  Reproduction or translations of this work beyond that permitted
//  in Section 117 of the 1976 United States Copyright Act without
//  the express written permission of the copyright owner is unlawful.
//  Requests for further information should be addressed to Permissions
//  Department, John Wiley & Sons, Inc. The purchaser may make back-up
//  copies for his/her own use only and not for distribution or resale.
//  The Publisher assumes no responsibility for errors, omissions, or
//  damages, caused by the use of these programs of from the use of the
//  information contained herein.

package ui;
import util.*;
import bo.*;
import java.awt.*;


public class FindTitleDialog extends Dialog {
	private ResultOfFindTitle reswindow;
	private Title current;

	void findButton_Clicked(Event event)
	{
		if (titleSearchRadioButton.getState() == true)
		{
    		String name = nameField.getText();
    		current =
    		    Title.findOnName(name);
		}
		else
		if (authorSearchRadioButton.getState() == true)
		{
		    String author = authorField.getText();
		    current =
		        Title.findOnAuthor(author);
		}
		else
		if (isbnSearchRadioButton.getState() == true)
		{
		    String isbn = isbnField.getText();
		    current =
		        Title.findOnISBN(isbn);
		}
		if (current == null)
		{
		    nameField.setText("");
    		authorField.setText("");
    		isbnField.setText("");
    		noItemsField.setText("");
    		typeField.setText("");
		}
		else
		{
		    nameField.setText(current.getTitle());
		    authorField.setText(current.getAuthor());
		    isbnField.setText(current.getISBN());
		    typeField.setText(current.getTypeAsString());
		    noItemsField.setText(Integer.toString(current.getNoItems()));
		}
	}

	void okButton_Clicked(Event event)
	{
		if (current != null)
		    reswindow.resultTitle(current.getObjId());
		dispose();
	}

	void cancelButton_Clicked(Event event)
	{
		dispose();
	}

	public FindTitleDialog(Frame parent, boolean modal) {

	    super(parent, modal);
        reswindow = (ResultOfFindTitle) parent;
		//{{INIT_CONTROLS
		setLayout(null);
		addNotify();
		resize(insets().left + insets().right + 567,insets().top + insets().bottom + 199);
		titleLabel = new java.awt.Label("Title Name");
		titleLabel.reshape(insets().left + 12,insets().top + 24,84,24);
		add(titleLabel);
		nameField = new java.awt.TextField();
		nameField.reshape(insets().left + 132,insets().top + 24,183,24);
		add(nameField);
		authorField = new java.awt.TextField();
		authorField.reshape(insets().left + 132,insets().top + 60,183,24);
		add(authorField);
		label1 = new java.awt.Label("ISBN / Nr");
		label1.reshape(insets().left + 12,insets().top + 96,84,24);
		add(label1);
		isbnField = new java.awt.TextField();
		isbnField.reshape(insets().left + 132,insets().top + 96,183,24);
		add(isbnField);
		label2 = new java.awt.Label("Author");
		label2.reshape(insets().left + 12,insets().top + 60,84,24);
		add(label2);
		Group1 = new CheckboxGroup();
		titleSearchRadioButton = new java.awt.Checkbox("Title Search", Group1, false);
		titleSearchRadioButton.reshape(insets().left + 348,insets().top + 24,108,24);
		add(titleSearchRadioButton);
		authorSearchRadioButton = new java.awt.Checkbox("Author Search", Group1, false);
		authorSearchRadioButton.reshape(insets().left + 348,insets().top + 60,108,24);
		add(authorSearchRadioButton);
		isbnSearchRadioButton = new java.awt.Checkbox("ISBN Search", Group1, false);
		isbnSearchRadioButton.reshape(insets().left + 348,insets().top + 96,108,24);
		add(isbnSearchRadioButton);
		findButton = new java.awt.Button("Find");
		findButton.reshape(insets().left + 480,insets().top + 24,60,24);
		add(findButton);
		okButton = new java.awt.Button("Select");
		okButton.reshape(insets().left + 480,insets().top + 120,60,24);
		add(okButton);
		cancelButton = new java.awt.Button("Close");
		cancelButton.reshape(insets().left + 480,insets().top + 156,60,24);
		add(cancelButton);
		noItemsField = new java.awt.TextField();
		noItemsField.setEditable(false);
		noItemsField.reshape(insets().left + 132,insets().top + 168,45,24);
		noItemsField.setBackground(new Color(12632256));
		add(noItemsField);
		label3 = new java.awt.Label("Items available");
		label3.reshape(insets().left + 12,insets().top + 168,108,24);
		add(label3);
		label4 = new java.awt.Label("Title type");
		label4.reshape(insets().left + 12,insets().top + 132,84,24);
		add(label4);
		typeField = new java.awt.TextField();
		typeField.setEditable(false);
		typeField.reshape(insets().left + 132,insets().top + 132,134,24);
		typeField.setBackground(new Color(12632256));
		add(typeField);
		setTitle("Find Title");
		//}}
		titleSearchRadioButton.setState(true);
		nameField.requestFocus();
	}

	public FindTitleDialog(Frame parent, String title, boolean modal) {
	    this(parent, modal);
	    setTitle(title);
	}

    public synchronized void show() {
    	Rectangle bounds = getParent().bounds();

    	move(bounds.x,bounds.y);

    	super.show();
    }

	public boolean handleEvent(Event event) {
	    if(event.id == Event.WINDOW_DESTROY) {
	        dispose();
	        return true;
	    }
		if (event.target == findButton && event.id == Event.ACTION_EVENT) {
			findButton_Clicked(event);
			return true;
		}
		if (event.target == okButton && event.id == Event.ACTION_EVENT) {
			okButton_Clicked(event);
			return true;
		}
		if (event.target == cancelButton && event.id == Event.ACTION_EVENT) {
			cancelButton_Clicked(event);
			return true;
		}
		return super.handleEvent(event);
	}

	//{{DECLARE_CONTROLS
	java.awt.Label titleLabel;
	java.awt.TextField nameField;
	java.awt.TextField authorField;
	java.awt.Label label1;
	java.awt.TextField isbnField;
	java.awt.Label label2;
	java.awt.Checkbox titleSearchRadioButton;
	CheckboxGroup Group1;
	java.awt.Checkbox authorSearchRadioButton;
	java.awt.Checkbox isbnSearchRadioButton;
	java.awt.Button findButton;
	java.awt.Button okButton;
	java.awt.Button cancelButton;
	java.awt.TextField noItemsField;
	java.awt.Label label3;
	java.awt.Label label4;
	java.awt.TextField typeField;
	//}}
}