/**
* @param aContentService
* @param descriptor
* @return True if the descriptor is visible to the given content service.
*/
private boolean isVisible(
INavigatorContentService aContentService, CommonWizardDescriptor descriptor) {
return !WorkbenchActivityHelper.filterItem(descriptor)
&& (aContentService == null
|| (descriptor.getId() == null
|| (aContentService.isVisible(descriptor.getId())
&& aContentService.isActive(descriptor.getId()))));
}
/** Constructor */
public ContentMRUAction(
int order,
INavigatorContentDescriptor contentDescriptor,
INavigatorContentService contentService,
CommonViewer commonViewer) {
super(
"" + order + " " + contentDescriptor.getName(), AS_CHECK_BOX); // $NON-NLS-1$//$NON-NLS-2$
this.contentDescriptor = contentDescriptor;
this.contentService = contentService;
this.commonViewer = commonViewer;
setChecked(contentService.isActive(contentDescriptor.getId()));
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
Set<String> activeIds = new HashSet<String>();
String[] visibleIds = contentService.getVisibleExtensionIds();
if (visibleIds != null) {
for (String visibleId : visibleIds) {
if (contentService.isActive(visibleId)) activeIds.add(visibleId);
}
}
if (isChecked()) activeIds.add(contentDescriptor.getId());
else activeIds.remove(contentDescriptor.getId());
String[] idsToActivate = activeIds.toArray(new String[activeIds.size()]);
UpdateActiveExtensionsOperation updateExtensions =
new UpdateActiveExtensionsOperation(commonViewer, idsToActivate);
updateExtensions.execute(null, null);
}
/** {@inheritDoc} */
public Object execute(ExecutionEvent event) throws ExecutionException {
if (getCommonNavigator() == null || getCommonNavigator().getCommonViewer() == null) {
return null; // The model explorer is not displayed (The editor is closed?)
}
CommonViewer viewer = getCommonNavigator().getCommonViewer();
String[] newContents = null;
Object trigger = event.getTrigger();
if (trigger instanceof Event) {
// State based on the widget
Event triggerEvent = (Event) trigger;
if (triggerEvent.widget instanceof ToolItem) {
if (((ToolItem) triggerEvent.widget).getSelection()) {
newContents = new String[] {DIAGRAM_CONTENTS};
} else {
newContents = new String[] {UML_MODEL_CONTENTS};
}
}
}
if (newContents == null) {
// Revert the current state
INavigatorContentService navigatorContent = viewer.getNavigatorContentService();
if (navigatorContent.isActive(DIAGRAM_CONTENTS)) {
newContents = new String[] {UML_MODEL_CONTENTS};
} else {
newContents = new String[] {DIAGRAM_CONTENTS};
}
}
UpdateActiveExtensionsOperation updateExtensions =
new UpdateActiveExtensionsOperation(viewer, newContents);
updateExtensions.execute(null, null);
return null;
}