replacedialog.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;

public final class ReplaceDialog extends MyDialog {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	JLabel label1;		//查找内容
	JLabel label2;		//替换为
	JTextField fieldInput1;	//输入查找内容
	JTextField fieldInput2;	//输入替换为
	JButton butSearch;		//查找按钮
	JButton butCancel;		//取消按钮
	JButton butReplace;		//替换按钮
	JButton butReplaceAll;	//替换所有
	JCheckBox checkBox1;	//区分大小 复选框
	
	public ReplaceDialog(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
		JLabel pLabel1 = new JLabel("                 ");
		JLabel pLabel2 = new JLabel("           ");
		label1 = new JLabel("查找内容：");
		label2 = new JLabel("  替换为：");
		
		fieldInput1 = new JTextField();
		fieldInput1.setColumns(20);
		fieldInput2 = new JTextField();
		fieldInput2.setColumns(20);
		
		label1.setLabelFor(fieldInput1);
		label2.setLabelFor(fieldInput2);
		
		butReplace = new JButton("   替换   ");
		butReplaceAll = new JButton(" 替换所有 ");		
		butSearch = new JButton("查找下一个");
		
		setReplaceEnabled(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.gridx = 0;			//行 位置
		c.weightx = 1.0;		//单元格所占空间 为标准一个单元格空间
		container.add(label1, c);
		
		//c.gridwidth = GridBagConstraints.RELATIVE;
		container.add(fieldInput1, c);
		c.gridwidth = GridBagConstraints.REMAINDER;
		container.add(butSearch,c);
		
		c.gridwidth = 1;
		container.add(label2, c);
		c.gridwidth = GridBagConstraints.RELATIVE;
		container.add(fieldInput2, c);
		//this.add(pLabel1);
		c.gridwidth = GridBagConstraints.REMAINDER;
		container.add(butReplace, c);
		
		c.gridheight = 2;
		c.gridwidth = 2;
		c.weighty = 1.0;

		//c.gridwidth = GridBagConstraints.RELATIVE;
		container.add(checkBox1,c);
		//this.add(pLabel2);
		//container.add(butSearch,c);
		c.gridwidth = GridBagConstraints.REMAINDER;
		container.add(butReplaceAll, c);
		c.gridx = 2;
		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
		fieldInput1.addKeyListener(new KeyAdapter() {			
			public void keyReleased(KeyEvent e) {				
				if(getTextField().equals("")) {
					setReplaceEnabled(false);
				}
				else {
					setReplaceEnabled(true);
				}
				//setReplaceEnabled(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);
			}
		});	
	}
		
	
	private void setReplaceEnabled(boolean enabled) {
		butSearch.setEnabled(enabled);
		butReplace.setEnabled(enabled);
		butReplaceAll.setEnabled(enabled);
	}
	

	
	@Override
	public String getTextField() {
		//返回需要查找的内容：
		//String text = fieldInput1.getText();
		return fieldInput1.getText();
	}
	
	public String getTextField2() {
		//返回需要查找的内容：
		return fieldInput2.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 ReplaceDialog(null, "替换", 300, 160);
	}
	*/
	//private int width = 260;
	//private int height = 160;
	//private boolean isChecked = false;

}