public static void disposeEditorActionBars(EditorActionBars actionBars) {
actionBars.removeRef();
if (actionBars.getRef() <= 0) {
String type = actionBars.getEditorType();
Set<EditorActionBars> set = actionCache.get(type);
if (set != null) {
set.remove(actionBars);
}
// refresh the cool bar manager before disposing of a cool item
ICoolBarManager2 coolBar =
(ICoolBarManager2)
((WorkbenchWindow) actionBars.getPage().getWorkbenchWindow()).getCoolBarManager2();
if (coolBar != null) {
coolBar.refresh();
}
actionBars.dispose();
}
}
/*
* Creates the action bars for an editor. Editors of the same type should
* share a single editor action bar, so this implementation may return an
* existing action bar vector.
*/
private static EditorActionBars createEditorActionBars(
WorkbenchPage page, EditorDescriptor desc, final IEditorSite site) {
// Get the editor type.
String type = desc.getId();
// If an action bar already exists for this editor type return it.
Set<EditorActionBars> candidates = actionCache.get(type);
if (candidates != null) {
for (EditorActionBars candidate : candidates) {
if (candidate.getPage() == page) {
candidate.addRef();
return candidate;
}
}
}
// Create a new action bar set.
EditorActionBars actionBars = new EditorActionBars(page, page.getWorkbenchWindow(), type);
actionBars.addRef();
if (candidates == null) {
candidates = new HashSet<EditorActionBars>(3);
candidates.add(actionBars);
actionCache.put(type, candidates);
} else candidates.add(actionBars);
// Read base contributor.
IEditorActionBarContributor contr = desc.createActionBarContributor();
if (contr != null) {
actionBars.setEditorContributor(contr);
contr.init(actionBars, page);
}
// Read action extensions.
EditorActionBuilder builder = new EditorActionBuilder();
contr = builder.readActionExtensions(desc);
if (contr != null) {
actionBars.setExtensionContributor(contr);
contr.init(actionBars, page);
}
// Return action bars.
return actionBars;
}