适用于JTextArea的查寻替换对话框
适用于JTextArea的查找替换对话框
package test.tool.gui.dbtool.dialog;
import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;
import test.tool.gui.common.SysFontAndFace;
import test.tool.gui.dbtool.mycomponent.MyJTextField;
public class FindReplaceDialog extends javax.swing.JDialog {
private static final long serialVersionUID = 1L;
private javax.swing.JButton jButton_cancel;
private javax.swing.JButton jButton_findNext;
private javax.swing.JButton jButton_replace;
private javax.swing.JButton jButton_replaceAll;
private javax.swing.JCheckBox jCheckBox_case;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private MyJTextField jTextField_find;
private MyJTextField jTextField_replace;
private JTextArea textArea = null;
private int findIndex = 0 ;
public FindReplaceDialog(java.awt.Frame parent, JTextArea textArea) {
super(parent, false);
initComponents();
this.textArea = textArea;
this.findIndex = 0;
this.setLocationRelativeTo(parent);
this.setResizable(false);
this.setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);//隐藏窗口并释放资源
if(textArea.isEditable()){
this.jButton_replace.setEnabled(true);
this.jButton_replaceAll.setEnabled(true);
}else{
this.jButton_replace.setEnabled(false);
this.jButton_replaceAll.setEnabled(false);
}
}
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jTextField_find = new MyJTextField();
jTextField_replace = new MyJTextField();
jCheckBox_case = new javax.swing.JCheckBox();
jButton_findNext = new javax.swing.JButton();
jButton_replace = new javax.swing.JButton();
jButton_replaceAll = new javax.swing.JButton();
jButton_cancel = new javax.swing.JButton();
setTitle("查找/替换");
jLabel1.setText("查找内容：");
jLabel2.setText("替换为：");
jCheckBox_case.setText("区分大小写");
jCheckBox_case.setSelected(true);//默认是大小写敏感的
jCheckBox_case.setFont(SysFontAndFace.font);
jButton_findNext.setText("查找下一个");
jButton_replace.setText("替换");
jButton_replaceAll.setText("全部替换");
jButton_cancel.setText("取消");
jButton_findNext.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
String str = textArea.getSelectedText();
if(str==null||"".equals(str))
{
findIndex=0;
}
find(jTextField_find.getText(),findIndex);
}
});
jButton_replace.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
String str = textArea.getSelectedText();
if(str!=null&&!"".equals(str)){
textArea.replaceSelection(jTextField_replace.getText());
}
}
});
jButton_replaceAll.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
count = 0;
replaceAll(jTextField_find.getText(),jTextField_replace.getText(), 0 ,textArea.getText().length());
}
});
jButton_cancel.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
close();
}
});
//为 jTextField_find 设置键盘监听事件，回车执行 【查找下一个】
jTextField_find.addKeyListener(new java.awt.event.KeyAdapter() {
public void keyPressed(java.awt.event.KeyEvent evt) {
if (evt.getKeyCode() == KeyEvent.VK_ENTER) {
String str = textArea.getSelectedText();
if(str==null||"".equals(str))
{
findIndex=0;
}
find(jTextField_find.getText(),findIndex);
}
}
});
//-------------------布局信息-----------------
org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(21, 21, 21)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(jCheckBox_case)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 215, Short.MAX_VALUE)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
.add(jButton_replaceAll)
.add(jButton_cancel)))
.add(layout.createSequentialGroup()
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false)
.add(layout.createSequentialGroup()
.add(jLabel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 68, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.UNRELATED)
.add(jTextField_replace))
.add(layout.createSequentialGroup()
.add(jLabel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 76, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jTextField_find, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 178, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 30, Short.MAX_VALUE)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
.add(jButton_findNext)
.add(jButton_replace))))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(18, 18, 18)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel1)
.add(jTextField_find, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton_findNext))
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(jLabel2)
.add(jTextField_replace, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(jButton_replace))
.add(1, 1, 1)
.add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
.add(layout.createSequentialGroup()
.add(28, 28, 28)
.add(jCheckBox_case))
.add(layout.createSequentialGroup()
.add(9, 9, 9)
.add(jButton_replaceAll)
.addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED)
.add(jButton_cancel)))
.addContainerGap(20, Short.MAX_VALUE))
);
pack();
}// //GEN-END:initComponents
/*
* 查找
*/
public void find(String str, int cur) {
int i = -1;
String textAreaText = textArea.getText();
if(!jCheckBox_case.isSelected()){//如果大小写不敏感
i = textAreaText.toUpperCase().indexOf(str.toUpperCase(),cur);
}else{//如果大小写敏感
i = textAreaText.indexOf(str,cur);
}
if (i >= 0) {
textArea.setSelectionStart(i); // 使找到的字符串选中
textArea.setSelectionEnd(i + str.length());
findIndex = ++i; // 用于查找下一个
} else {
if(findIndex == 0){
return;
}else{
//查询完毕，重新重头开始查找
findIndex = 0;
find(str, findIndex);
}
}
}
/*
* 替换全部
*/
int count = 0;
public void replaceAll(String fromStr, String toStr, int cur, int end) {
if (cur > end) {
return;
} else {
int i = -1;
String textAreaText = textArea.getText();
if (!jCheckBox_case.isSelected()) {// 如果大小写不敏感
i = textAreaText.toUpperCase().indexOf(fromStr.toUpperCase(),
cur);
} else {
i = textAreaText.indexOf(fromStr, cur);
}
if (i >= 0) {
textArea.setSelectionStart(i); // 使找到的字符串反白选中
textArea.setSelectionEnd(i + fromStr.length());
textArea.replaceSelection(toStr); // 替换
cur = ++i;
count++;
} else {
JOptionPane.showMessageDialog(this, " 替换完毕，共替换 " + count + " 处！");
return;
}
replaceAll(fromStr, toStr, cur, end); // 递归查找与替换
}
}
private void close(){
this.dispose();
}
}ln
