为文件选择器添加右键上下文菜单代码,Java代码库,德仔网

代码语言

代码分类

【Java】为文件选择器添加右键上下文菜单

作者:DDT / 发布于2012/6/25/ 466

<div>public class ContextMenuFileChooser extends JFileChooser {
 
 protected Component right_click_pane;</div>
<div> public ContextMenuFileChooser() {
 super();
 JPopupMenu popup = new JPopupMenu();
 popup.add(new DeleteAction(this));
 popup.add(new NewFolderAction(this));
 right_click_pane = new RightClickGlassPane(this,popup) {
protected void redispatchMouseEvent(MouseEvent e, boolean repaint) { 
Component component = getRealComponent(e.getPoint()); 
if(component == null) { return; } 
String chooser_class =
"javax.swing.plaf.metal.MetalFileChooserUI$5";
if(component.getClass().getName().equals(chooser_class)) {
super.redispatchMouseEvent(e,repaint);
} else {
doDispatch(e);
}
}
};</div>
<div> }
protected JDialog createDialog(Component parent) {
JDialog dialog = super.createDialog(parent);
// create the right-click glass pane.
dialog.setGlassPane(right_click_pane);
right_click_pane.setVisible(true);
return dialog;
 }
<div>class DeleteAction extends AbstractAction {
protected JFileChooser chooser;
public DeleteAction(JFileChooser chooser) {
super("Delete");
this.chooser = chooser;
}
public void actionPerformed(ActionEvent evt) {
File file = chooser.getSelectedFile();
if(file != null) {
file.delete();
chooser.rescanCurrentDirectory();
}
}
}
<div>class NewFolderAction extends AbstractAction {
protected JFileChooser chooser;
public NewFolderAction(JFileChooser chooser) {
super("New Folder");
this.chooser = chooser;
}
public void actionPerformed(ActionEvent evt) {
File cwd = chooser.getCurrentDirectory();
if(cwd != null) { 
File new_dir = new File(cwd,"New Folder"); 
new_dir.mkdir(); 
chooser.rescanCurrentDirectory();
}
}
}
}
<div>
public static void main(String[] args) {
final JFileChooser jfc = new ContextMenuFileChooser();
jfc.showOpenDialog(null);
System.exit(0);
}

试试其它关键字

　右键上下文菜单　

同语言下

可能有用的

DDT贡献的其它代码(160)