下面列出了javax.swing.JPopupMenu#getInvoker ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
@Override
public void actionPerformed(final ActionEvent e) {
final Component c = (Component) e.getSource();
final JPopupMenu popup = (JPopupMenu) c.getParent();
final JTable table = (JTable) popup.getInvoker();
switch (e.getActionCommand()) {
case "Delete":
Playlist.getPlaylist().removeSelectedRows(table);
break;
case "Play":
MediaUtils.switchMedia(table);
break;
case "Share":
// System.out.println("Sharing");
break;
case "Copy URL":
MediaUtils.copyMediaURL(table);
break;
}
// System.out.println(table.getSelectedRow() + " : " +
// table.getSelectedColumn());
}
@Override
public void actionPerformed(final ActionEvent e) {
final Component c = (Component) e.getSource();
final JPopupMenu popup = (JPopupMenu) c.getParent();
final JList<?> list = (JList<?>) popup.getInvoker();
final Object o = list.getSelectedValue();
final String playlist = o.toString();
switch (e.getActionCommand()) {
case "Delete":
Playlist.getPlaylist().deletePlayList(list);
break;
case "Play":
ModelUtils.loadPlayList(playlist);
PlayerFunctions.seekNext();
break;
case "Load":
ModelUtils.loadPlayList(playlist);
break;
case "Share":
// System.out.println("Sharing");
break;
}
// System.out.println(table.getSelectedRow() + " : " +
// table.getSelectedColumn());
}
private String buildMenuElementArray(JMenuItem leaf) {
Vector<JMenuItem> elements = new Vector<JMenuItem>();
elements.insertElementAt(leaf, 0);
Component current = leaf.getParent();
while (current != null) {
if (current instanceof JPopupMenu) {
JPopupMenu pop = (JPopupMenu) current;
current = pop.getInvoker();
} else if (current instanceof JMenu) {
JMenu menu = (JMenu) current;
elements.insertElementAt(menu, 0);
current = menu.getParent();
} else if (current instanceof JMenuBar) {
break;
} else {
current = current.getParent();
}
}
mainMenu = elements.get(0);
JMenuItem parent = null;
StringBuilder sb = new StringBuilder();
RComponentFactory finder = new RComponentFactory(omapConfig);
for (JMenuItem jMenuItem : elements) {
RComponent rComponent = finder.findRComponent(jMenuItem, null, recorder);
recorder.recordMenuItem(rComponent);
String text = JMenuItemJavaElement.getText(JMenuItemJavaElement.getItemText(jMenuItem), jMenuItem,
parent == null ? new Component[0] : ((JMenu) parent).getMenuComponents());
parent = jMenuItem;
sb.append(text).append(">>");
}
sb.setLength(sb.length() - 2);
return sb.toString();
}
@Override
public void actionPerformed(java.awt.event.ActionEvent evt) {
JMenuItem jmi = (JMenuItem) evt.getSource();
Container container = jmi.getParent();
assert(container instanceof JPopupMenu);
JPopupMenu jpm = (JPopupMenu) container;
JTextComponent jtf = (JTextComponent) jpm.getInvoker();
(new CopyClipboardText(null)).toClipboard(jtf.getText());
}
@Override
public void actionPerformed(java.awt.event.ActionEvent evt) {
JMenuItem jmi = (JMenuItem) evt.getSource();
Container container = jmi.getParent();
assert(container instanceof JPopupMenu);
JPopupMenu jpm = (JPopupMenu) container;
JTextComponent jtf = (JTextComponent) jpm.getInvoker();
jtf.setText((new CopyClipboardText(null)).fromClipboard());
}
public static void dynamicChangeToSubmenu(JPopupMenu popup, boolean usedToBeContained) {
Object invoker = popup.getInvoker();
if (!(invoker instanceof JMenu)) {
return;
}
JMenu menu = (JMenu) invoker;
if (!popup.isShowing()) {
return;
}
if (isProblemConfig()) {
callRefreshLater2(popup, menu);
return;
}
refreshPopup(popup);
Point p = popup.getLocationOnScreen();
Dimension popupSize = popup.getPreferredSize();
Rectangle popupRect = new Rectangle(p, popupSize);
Rectangle screenRect = getScreenRect();
boolean willBeContained = isPopupContained(popup);
if (!screenRect.contains(popupRect)) {
/*
* The menu grew off the edge of the screen.
*/
menu.setPopupMenuVisible(false);
menu.setPopupMenuVisible(true);
} else if (usedToBeContained != willBeContained) {
/*
* The menu grew off the edge of the containing window.
* Use the setVisible() hack to change the menu from
* lightweight to heavyweight.
*/
popup.setVisible(false);
popup.setVisible(true);
}
}
/**
* @param c
* @return
*/
private Component getInvoker(JComponent c) {
JPopupMenu popup = (JPopupMenu) c;
return popup.getInvoker();
}