searchdialog.java

实现了Window的NotePad的功能

package cqj.jar.com;

//import java.awt.Dialog;
//import java.awt.Dimension;
//import java.awt.FlowLayout;
import java.awt.Container;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
//import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
//import java.awt.event.WindowAdapter;
//import java.awt.event.WindowEvent;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.UIManager;
//import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTextField;

//import com.sun.org.apache.bcel.internal.verifier.structurals.Frame;
//查找 对话框
public final class SearchDialog extends MyDialog {

	/**
	 * 
	 */
	private static final long serialVersionUID = 3703047723261436639L;
	JLabel label1;			//查找内容	
	JTextField fieldInput;	//输入查找内容
	JButton butSearch;		//查找按钮
	JButton butCancel;		//取消按钮
	JCheckBox checkBox1;	//区分大小 复选框	

	public SearchDialog(Frame frame, String title, int width, int height) {
		super(frame, title,width, height);	
	}
	
	@Override
	public void initComponents() {
		//初始化对话框中的组件
		label1 = new JLabel("查找内容：");
		//label2 = new JLabel("区分大小写");
		
		fieldInput = new JTextField();
		fieldInput.setColumns(15);
		
		butSearch = new JButton("查找下一个");
		butSearch.setEnabled(false);
		butCancel = new JButton("   取消   ");
		
		checkBox1 = new JCheckBox("区分大小写");
		
		Container container = this.getContentPane();
		GridBagLayout gridBag = new GridBagLayout();
		GridBagConstraints c = new GridBagConstraints();
		container.setLayout(gridBag);
		
		c.weightx = 1.0;
		container.add(label1, c);
		container.add(fieldInput, c);
		c.gridwidth = GridBagConstraints.REMAINDER;
		container.add(butSearch, c);
		
		c.gridwidth = GridBagConstraints.RELATIVE;
		container.add(checkBox1, c);
		c.gridwidth = GridBagConstraints.REMAINDER;
		container.add(butCancel, c);		
		
	}
	
	@Override
	public void addComListener() {
		//添加组件的事件监听
		this.setDefaultCloseOperation(MyDialog.DISPOSE_ON_CLOSE);
		//文本输入区对 按键释放 的监听
		fieldInput.addKeyListener(new KeyAdapter() {			
			public void keyReleased(KeyEvent e) {				
				if(getTextField().equals(""))
					butSearch.setEnabled(false);
				else
					butSearch.setEnabled(true);
			}
		});
		
		//复选框：区分大小写 的监听
		checkBox1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				isChecked = !isChecked;
				//fieldInput.setText(""+isChecked);
			}
		});
	}
	
	@Override
	public String getTextField() {
		//返回需要查找的内容：
		//String text = fieldInput.getText();
		//text += text;
		return fieldInput.getText();
	}
	/*
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try   {  
            UIManager.setLookAndFeel(  
                    "com.sun.java.swing.plaf.windows.WindowsLookAndFeel");  
	    }   catch   (Exception   e)   {}
	    new SearchDialog(null, "查找", 280, 100);
	}
	*/
}