/** Synchronizes the state of the actions to the current state of this host. */
private void updateActions() {
final DeviceController currentDeviceController = getDeviceController();
final boolean deviceControllerSet = currentDeviceController != null;
final boolean deviceCapturing = deviceControllerSet && currentDeviceController.isCapturing();
final boolean deviceSetup =
deviceControllerSet && !deviceCapturing && currentDeviceController.isSetup();
getAction(CaptureAction.ID).setEnabled(deviceControllerSet);
getAction(CancelCaptureAction.ID).setEnabled(deviceCapturing);
getAction(RepeatCaptureAction.ID).setEnabled(deviceSetup);
final boolean projectChanged = this.projectManager.getCurrentProject().isChanged();
final boolean projectSavedBefore =
this.projectManager.getCurrentProject().getFilename() != null;
final boolean dataAvailable = this.dataContainer.hasCapturedData();
getAction(SaveProjectAction.ID).setEnabled(projectChanged);
getAction(SaveProjectAsAction.ID).setEnabled(projectSavedBefore && projectChanged);
getAction(SaveDataFileAction.ID).setEnabled(dataAvailable);
getAction(ZoomInAction.ID).setEnabled(dataAvailable);
getAction(ZoomOutAction.ID).setEnabled(dataAvailable);
getAction(ZoomDefaultAction.ID).setEnabled(dataAvailable);
getAction(ZoomFitAction.ID).setEnabled(dataAvailable);
final boolean triggerEnable = dataAvailable && this.dataContainer.hasTriggerData();
getAction(GotoTriggerAction.ID).setEnabled(triggerEnable);
// Update the cursor actions accordingly...
final boolean enableCursors = dataAvailable && this.dataContainer.isCursorsEnabled();
for (int c = 0; c < CapturedData.MAX_CURSORS; c++) {
final boolean enabled = enableCursors && this.dataContainer.isCursorPositionSet(c);
getAction(GotoNthCursorAction.getID(c)).setEnabled(enabled);
}
getAction(GotoFirstCursorAction.ID).setEnabled(enableCursors);
getAction(GotoLastCursorAction.ID).setEnabled(enableCursors);
getAction(SetCursorModeAction.ID).setEnabled(dataAvailable);
getAction(SetCursorModeAction.ID)
.putValue(Action.SELECTED_KEY, Boolean.valueOf(this.dataContainer.isCursorsEnabled()));
boolean anyCursorSet = false;
for (int c = 0; c < CapturedData.MAX_CURSORS; c++) {
final boolean cursorPositionSet = this.dataContainer.isCursorPositionSet(c);
anyCursorSet |= cursorPositionSet;
final Action action = getAction(SetCursorAction.getCursorId(c));
action.setEnabled(dataAvailable);
action.putValue(Action.SELECTED_KEY, Boolean.valueOf(cursorPositionSet));
}
getAction(ClearCursors.ID).setEnabled(enableCursors && anyCursorSet);
}
/**
* Registers the keystroke of the given action as "command" of the given component.
*
* <p>This code is based on the Sulky-tools, found at <http://github.com/huxi/sulky>.
*
* @param aComponent the component that should react on the keystroke, cannot be <code>null</code>
* ;
* @param aAction the action of the keystroke, cannot be <code>null</code>;
* @param aCommandName the name of the command to register the keystore under.
*/
public static void registerKeystroke(
final JComponent aComponent, final Action aAction, final String aCommandName) {
final KeyStroke keyStroke = (KeyStroke) aAction.getValue(Action.ACCELERATOR_KEY);
if (keyStroke == null) {
return;
}
InputMap inputMap = aComponent.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
ActionMap actionMap = aComponent.getActionMap();
inputMap.put(keyStroke, aCommandName);
actionMap.put(aCommandName, aAction);
inputMap = aComponent.getInputMap(JComponent.WHEN_FOCUSED);
Object value = inputMap.get(keyStroke);
if (value != null) {
inputMap.put(keyStroke, aCommandName);
}
inputMap = aComponent.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
value = inputMap.get(keyStroke);
if (value != null) {
inputMap.put(keyStroke, aCommandName);
}
}