Java swing中特定内部框架的“如何工作”复选框事件
当我选中/启用特定内部框架的复选框时,然后执行相关操作。但是,创建另一个新的Internalframe时,以前的操作不适用于此。我执行该Internalframe特有的任何复选框操作,但对所有人都不常见。在我的代码中,请使用Viewlinenumbers复选框menuitem。我要将上述行为设置为Linenumbers。请检查一次 示例代码:Java swing中特定内部框架的“如何工作”复选框事件,java,swing,state,jcheckbox,Java,Swing,State,Jcheckbox,当我选中/启用特定内部框架的复选框时,然后执行相关操作。但是,创建另一个新的Internalframe时,以前的操作不适用于此。我执行该Internalframe特有的任何复选框操作,但对所有人都不常见。在我的代码中,请使用Viewlinenumbers复选框menuitem。我要将上述行为设置为Linenumbers。请检查一次 示例代码: public class ResetItems extends javax.swing.JFrame { JTextField status;
public class ResetItems extends javax.swing.JFrame {
JTextField status;
int i=0;
JTextPane currentTextPane,lnNum;
JScrollPane scrollPane;
public ResetItems() {
initComponents();
lineNumbers.setSelected(false);
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
tabbedPane = new javax.swing.JTabbedPane();
menuBar = new javax.swing.JMenuBar();
file = new javax.swing.JMenu();
create = new javax.swing.JMenuItem();
lineNumbers = new javax.swing.JCheckBoxMenuItem();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
file.setText("File");
create.setText("Create");
create.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
createActionPerformed(evt);
}
});
file.add(create);
lineNumbers.setSelected(true);
lineNumbers.setText("LineNumbers");
lineNumbers.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
lineNumbersActionPerformed(evt);
}
});
file.add(lineNumbers);
menuBar.add(file);
setJMenuBar(menuBar);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 400, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tabbedPane, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 279, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(tabbedPane, javax.swing.GroupLayout.DEFAULT_SIZE, 279, Short.MAX_VALUE))
);
pack();
}// </editor-fold>
private void createActionPerformed(java.awt.event.ActionEvent evt) {
final JInternalFrame internalFrame = new JInternalFrame("");
i++;
internalFrame.setName("Doc "+i);
internalFrame.setClosable(true);
internalFrame.setAutoscrolls(true);
currentTextPane=new JTextPane();
currentTextPane.setFont(new java.awt.Font("Miriam Fixed", 0, 13));
tabbedPane.add(internalFrame);
tabbedPane.add(internalFrame);
tabbedPane.setSelectedIndex(i-1);
currentTextPane.setCaretPosition(0);
scrollPane=new JScrollPane(currentTextPane);
internalFrame.add(scrollPane);
internalFrame.setSize(internalFrame.getMaximumSize());
internalFrame.pack();
internalFrame.setVisible(true);
}
private void lineNumbersActionPerformed(java.awt.event.ActionEvent evt) {
}
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new ResetItems().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenuItem create;
private javax.swing.JMenu file;
private javax.swing.JCheckBoxMenuItem lineNumbers;
private javax.swing.JMenuBar menuBar;
private javax.swing.JTabbedPane tabbedPane;
// End of variables declaration
}
public类ResetItems扩展了javax.swing.JFrame{
JTextField状态;
int i=0;
JTextPane currentTextPane,lnNum;
JScrollPane滚动窗格;
公共物品(){
初始化组件();
LineNumber.setSelected(假);
}
@抑制警告(“未选中”)
//
私有组件(){
tabbedPane=newjavax.swing.JTabbedPane();
menuBar=newjavax.swing.JMenuBar();
file=newjavax.swing.JMenu();
create=newjavax.swing.JMenuItem();
lineNumbers=newjavax.swing.JCheckBoxMenuItem();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setText(“文件”);
create.setText(“create”);
create.addActionListener(新建java.awt.event.ActionListener()){
public void actionPerformed(java.awt.event.ActionEvent evt){
createActionPerformed(evt);
}
});
文件。添加(创建);
linenumber.setSelected(true);
linenumber.setText(“行号”);
lineNumbers.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
执行的行号操作(evt);
}
});
添加(行号);
menuBar.add(文件);
setJMenuBar(菜单栏);
javax.swing.GroupLayout=newjavax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(布局);
layout.setHorizontalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0,400,短。最大值)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(选项卡窗格,javax.swing.GroupLayout.Alignment.TRAILING,javax.swing.GroupLayout.DEFAULT\u SIZE,400,Short.MAX\u值))
);
layout.setVerticalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0,279,短。最大值)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(选项卡窗格,javax.swing.GroupLayout.DEFAULT_SIZE,279,Short.MAX_VALUE))
);
包装();
}//
私有void createActionPerformed(java.awt.event.ActionEvent evt){
最终JInternalFrame internalFrame=新的JInternalFrame(“”);
i++;
internalFrame.setName(“Doc”+i);
internalFrame.setClosable(真);
internalFrame.setAutoscrolls(真);
currentTextPane=新的JTextPane();
currentTextPane.setFont(新的java.awt.Font(“Miriam Fixed”,0,13));
tabbedPane.add(内部框架);
tabbedPane.add(内部框架);
选项卡窗格。设置所选索引(i-1);
currentTextPane.setCaretPosition(0);
scrollPane=新的JScrollPane(currentTextPane);
添加(滚动窗格);
internalFrame.setSize(internalFrame.getMaximumSize());
internalFrame.pack();
internalFrame.setVisible(true);
}
私有void lineNumbersActionPerformed(java.awt.event.ActionEvent evt){
}
公共静态void main(字符串参数[]){
/*设置Nimbus的外观和感觉*/
//
/*如果Nimbus(在JavaSE6中引入)不可用,请使用默认的外观。
*详情请参阅http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
试一试{
for(javax.swing.UIManager.LookAndFeelInfo:javax.swing.UIManager.getInstalledLookAndFeels()){
if(“Nimbus”.equals(info.getName())){
setLookAndFeel(info.getClassName());
打破
}
}
}捕获(ClassNotFoundException ex){
getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE,null,ex);
}catch(实例化异常){
getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE,null,ex);
}捕获(非法访问例外){
getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE,null,ex);
}catch(javax.swing.UnsupportedLookAndFeelException ex){
getLogger(ResetItems.class.getName()).log(java.util.logging.Level.SEVERE,null,ex);
}
//
/*创建并显示表单*/
invokeLater(new Runnable()){
公开募捐{
新的ResetItems().setVisible(true);
}
});
}
//变量声明-不修改
私有javax.swing.JMenuItem创建;
私有javax.swing.JMenu文件;
私有javax.swing.JCheckBoxMenuItem行号;
私有javax.swing.JMenuBar菜单栏;
私有javax.swing.JTabbedPane选项卡;
//变量结束声明
}
您可以将JTextPane直接添加到JScrollPane中,作为JTabbedPane中的新选项卡,JInternalFrame被指定放置在JFrame/JDesktopPanei中,并根据您的建议进行修改,但问题与上述相同。