/**
* When a MenuElement receives an event from a KeyListener, it should never process the event
* directly. Instead all MenuElements should call this method with the event.
*
* @param e a KeyEvent object
*/
public void processKeyEvent(KeyEvent e) {
MenuElement[] sel2 = new MenuElement[0];
sel2 = selection.toArray(sel2);
int selSize = sel2.length;
MenuElement[] path;
if (selSize < 1) {
return;
}
for (int i = selSize - 1; i >= 0; i--) {
MenuElement elem = sel2[i];
MenuElement[] subs = elem.getSubElements();
path = null;
for (int j = 0; j < subs.length; j++) {
if (subs[j] == null
|| !subs[j].getComponent().isShowing()
|| !subs[j].getComponent().isEnabled()) {
continue;
}
if (path == null) {
path = new MenuElement[i + 2];
System.arraycopy(sel2, 0, path, 0, i + 1);
}
path[i + 1] = subs[j];
subs[j].processKeyEvent(e, path, this);
if (e.isConsumed()) {
return;
}
}
}
// finally dispatch event to the first component in path
path = new MenuElement[1];
path[0] = sel2[0];
path[0].processKeyEvent(e, path, this);
if (e.isConsumed()) {
return;
}
}
@Override
public void keyPressed(KeyEvent evt) {
multicaster.keyPressed(evt);
if (!evt.isConsumed()) {
super.keyPressed(evt);
// Forward key presses to the handler
if (dragLocation != null) {
multicaster.trackStep(anchor, dragLocation, evt.getModifiersEx(), getView());
}
}
}
/**
* This method is called when the focused component (and none of its ancestors) want the key
* event. This will look up the keystroke to see if any chidren (or subchildren) of the specified
* container want a crack at the event. If one of them wants it, then it will "DO-THE-RIGHT-THING"
*/
public boolean fireKeyboardAction(KeyEvent e, boolean pressed, Container topAncestor) {
if (e.isConsumed()) {
System.out.println("Acquired pre-used event!");
Thread.dumpStack();
}
// There may be two keystrokes associated with a low-level key event;
// in this case a keystroke made of an extended key code has a priority.
KeyStroke ks;
KeyStroke ksE = null;
if (e.getID() == KeyEvent.KEY_TYPED) {
ks = KeyStroke.getKeyStroke(e.getKeyChar());
} else {
if (e.getKeyCode() != e.getExtendedKeyCode()) {
ksE = KeyStroke.getKeyStroke(e.getExtendedKeyCode(), e.getModifiers(), !pressed);
}
ks = KeyStroke.getKeyStroke(e.getKeyCode(), e.getModifiers(), !pressed);
}
Hashtable keyMap = containerMap.get(topAncestor);
if (keyMap != null) { // this container isn't registered, so bail
Object tmp = null;
// extended code has priority
if (ksE != null) {
tmp = keyMap.get(ksE);
if (tmp != null) {
ks = ksE;
}
}
if (tmp == null) {
tmp = keyMap.get(ks);
}
if (tmp == null) {
// don't do anything
} else if (tmp instanceof JComponent) {
JComponent c = (JComponent) tmp;
if (c.isShowing() && c.isEnabled()) { // only give it out if enabled and visible
fireBinding(c, ks, e, pressed);
}
} else if (tmp instanceof Vector) { // more than one comp registered for this
Vector v = (Vector) tmp;
// There is no well defined order for WHEN_IN_FOCUSED_WINDOW
// bindings, but we give precedence to those bindings just
// added. This is done so that JMenus WHEN_IN_FOCUSED_WINDOW
// bindings are accessed before those of the JRootPane (they
// both have a WHEN_IN_FOCUSED_WINDOW binding for enter).
for (int counter = v.size() - 1; counter >= 0; counter--) {
JComponent c = (JComponent) v.elementAt(counter);
// System.out.println("Trying collision: " + c + " vector = "+ v.size());
if (c.isShowing() && c.isEnabled()) { // don't want to give these out
fireBinding(c, ks, e, pressed);
if (e.isConsumed()) return true;
}
}
} else {
System.out.println("Unexpected condition in fireKeyboardAction " + tmp);
// This means that tmp wasn't null, a JComponent, or a Vector. What is it?
Thread.dumpStack();
}
}
if (e.isConsumed()) {
return true;
}
// if no one else handled it, then give the menus a crack
// The're handled differently. The key is to let any JMenuBars
// process the event
if (keyMap != null) {
Vector v = (Vector) keyMap.get(JMenuBar.class);
if (v != null) {
Enumeration iter = v.elements();
while (iter.hasMoreElements()) {
JMenuBar mb = (JMenuBar) iter.nextElement();
if (mb.isShowing() && mb.isEnabled()) { // don't want to give these out
boolean extended = (ksE != null) && !ksE.equals(ks);
if (extended) {
fireBinding(mb, ksE, e, pressed);
}
if (!extended || !e.isConsumed()) {
fireBinding(mb, ks, e, pressed);
}
if (e.isConsumed()) {
return true;
}
}
}
}
}
return e.isConsumed();
}
@Override
protected void processKeyEvent(KeyEvent evt) {
if (evt.getID() == KeyEvent.KEY_PRESSED) {
ActionContext ac = VFSBrowser.getActionContext();
int row = parentDirectories.getSelectedIndex();
switch (evt.getKeyCode()) {
case KeyEvent.VK_DOWN:
evt.consume();
if (row < parentDirectories.getSize().height - 1)
parentDirectories.setSelectedIndex(++row);
break;
case KeyEvent.VK_LEFT:
if ((evt.getModifiers() & InputEvent.ALT_MASK) > 0) {
evt.consume();
browser.previousDirectory();
} else super.processEvent(evt);
break;
case KeyEvent.VK_RIGHT:
if ((evt.getModifiers() & InputEvent.ALT_MASK) > 0) {
evt.consume();
browser.nextDirectory();
} else super.processEvent(evt);
break;
case KeyEvent.VK_TAB:
evt.consume();
if ((evt.getModifiers() & InputEvent.SHIFT_MASK) > 0) browser.focusOnDefaultComponent();
else table.requestFocus();
break;
case KeyEvent.VK_UP:
evt.consume();
if (row > 0) {
parentDirectories.setSelectedIndex(--row);
}
break;
case KeyEvent.VK_BACK_SPACE:
evt.consume();
EditAction up = ac.getAction("vfs.browser.up");
ac.invokeAction(evt, up);
break;
case KeyEvent.VK_F5:
evt.consume();
EditAction reload = ac.getAction("vfs.browser.reload");
ac.invokeAction(evt, reload);
break;
case KeyEvent.VK_ENTER:
evt.consume();
if (row != -1) {
// basically the same handling as in ParentMouseHandler#mouseReleased
Object obj = parentDirectories.getModel().getElementAt(row);
if (obj instanceof VFSFile) {
VFSFile dirEntry = (VFSFile) obj;
browser.setDirectory(dirEntry.getPath());
if (browser.getMode() == VFSBrowser.BROWSER) focusOnFileView();
}
}
break;
/* These actions don't work because they look at the EntryTable for the current selected
* item. We need actions that look at the parentDirectoryList item instead.
*
case KeyEvent.VK_DELETE:
evt.consume();
ea = ac.getAction("vfs.browser.delete");
ac.invokeAction(evt, ea);
break;
case KeyEvent.CTRL_MASK | KeyEvent.VK_N:
evt.consume();
ea = ac.getAction("vfs.browser.new-file");
ac.invokeAction(evt, ea);
break;
case KeyEvent.VK_INSERT:
evt.consume();
ea = ac.getAction("vfs.browser.new-directory");
ac.invokeAction(evt, ea);
break; */
}
} else if (evt.getID() == KeyEvent.KEY_TYPED) {
if (evt.isControlDown() || evt.isAltDown() || evt.isMetaDown()) {
evt.consume();
return;
}
switch (evt.getKeyChar()) {
case '~':
evt.consume();
if (browser.getMode() == VFSBrowser.BROWSER)
browser.setDirectory(System.getProperty("user.home"));
break;
case '/':
evt.consume();
if (browser.getMode() == VFSBrowser.BROWSER) browser.rootDirectory();
break;
case '-':
evt.consume();
if (browser.getMode() == VFSBrowser.BROWSER) {
browser.setDirectory(browser.getView().getBuffer().getDirectory());
}
break;
}
}
if (!evt.isConsumed()) super.processKeyEvent(evt);
}