/**
* Creates the menu item for the editor descriptor.
*
* @param menu the menu to add the item to
* @param descriptor the editor descriptor, or null for the system editor
* @param preferredEditor the descriptor of the preferred editor, or <code>null</code>
*/
private MenuItem createMenuItem(
Menu menu, final IEditorDescriptor descriptor, final IEditorDescriptor preferredEditor) {
// XXX: Would be better to use bold here, but SWT does not support it.
final MenuItem menuItem = new MenuItem(menu, SWT.RADIO);
boolean isPreferred =
preferredEditor != null && descriptor.getId().equals(preferredEditor.getId());
menuItem.setSelection(isPreferred);
menuItem.setText(descriptor.getLabel());
Image image = getImage(descriptor);
if (image != null) {
menuItem.setImage(image);
}
Listener listener =
new Listener() {
public void handleEvent(Event event) {
switch (event.type) {
case SWT.Selection:
if (menuItem.getSelection()) {
openEditor(descriptor, false);
}
break;
}
}
};
menuItem.addListener(SWT.Selection, listener);
return menuItem;
}
/** Opens the given editor on the selected file revision. */
protected void openEditor(IEditorDescriptor editorDescriptor, boolean openUsingDescriptor) {
IFileRevision fileRevision = getFileRevision();
if (fileRevision == null) {
return;
}
try {
IProgressMonitor monitor = new NullProgressMonitor();
IStorage storage = fileRevision.getStorage(monitor);
boolean isFile = storage instanceof IFile;
if (openUsingDescriptor) {
// discouraged access to open system editors
((WorkbenchPage) (page.getSite().getPage()))
.openEditorFromDescriptor(
isFile
? new FileEditorInput((IFile) storage)
: (IEditorInput)
FileRevisionEditorInput.createEditorInputFor(fileRevision, monitor),
editorDescriptor,
true,
null);
} else {
String editorId =
editorDescriptor == null
? IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID
: editorDescriptor.getId();
page.getSite()
.getPage()
.openEditor(
isFile
? new FileEditorInput((IFile) storage)
: (IEditorInput)
FileRevisionEditorInput.createEditorInputFor(fileRevision, monitor),
editorId,
true,
MATCH_BOTH);
}
} catch (PartInitException e) {
StatusAdapter statusAdapter = new StatusAdapter(e.getStatus());
statusAdapter.setProperty(
IStatusAdapterConstants.TITLE_PROPERTY, TeamUIMessages.LocalHistoryPage_OpenEditorError);
StatusManager.getManager().handle(statusAdapter, StatusManager.SHOW);
} catch (CoreException e) {
StatusAdapter statusAdapter = new StatusAdapter(e.getStatus());
statusAdapter.setProperty(
IStatusAdapterConstants.TITLE_PROPERTY, TeamUIMessages.LocalHistoryPage_OpenEditorError);
StatusManager.getManager().handle(statusAdapter, StatusManager.LOG);
}
}
/** Returns the image descriptor for the given editor descriptor, or null if it has no image. */
private ImageDescriptor getImageDescriptor(IEditorDescriptor editorDesc) {
ImageDescriptor imageDesc = null;
if (editorDesc == null) {
imageDesc = registry.getImageDescriptor(getFileRevision().getName());
// TODO: is this case valid, and if so, what are the implications
// for content-type editor bindings?
} else {
imageDesc = editorDesc.getImageDescriptor();
}
if (imageDesc == null) {
if (editorDesc.getId().equals(IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID)) {
imageDesc = registry.getSystemExternalEditorImageDescriptor(getFileRevision().getName());
}
}
return imageDesc;
}
public void fill(Menu menu, int index) {
final IFileRevision fileRevision = getFileRevision();
if (fileRevision == null) {
return;
}
IEditorDescriptor defaultTextEditor =
registry.findEditor("org.eclipse.ui.DefaultTextEditor"); // $NON-NLS-1$
IEditorDescriptor preferredEditor = Utils.getDefaultEditor(fileRevision);
Object[] editors = Utils.getEditors(fileRevision);
Collections.sort(Arrays.asList(editors), comparer);
boolean defaultFound = false;
// Check that we don't add it twice. This is possible
// if the same editor goes to two mappings.
ArrayList alreadyMapped = new ArrayList();
for (int i = 0; i < editors.length; i++) {
IEditorDescriptor editor = (IEditorDescriptor) editors[i];
if (!alreadyMapped.contains(editor)) {
createMenuItem(menu, editor, preferredEditor);
if (defaultTextEditor != null && editor.getId().equals(defaultTextEditor.getId())) {
defaultFound = true;
}
alreadyMapped.add(editor);
}
}
// Only add a separator if there is something to separate
if (editors.length > 0) {
new MenuItem(menu, SWT.SEPARATOR);
}
// Add default editor. Check it if it is saved as the preference.
if (!defaultFound && defaultTextEditor != null) {
createMenuItem(menu, defaultTextEditor, preferredEditor);
}
// TODO : We might perhaps enable inplace and system external editors menu items
/*// Add system editor
IEditorDescriptor descriptor = registry
.findEditor(IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID);
final MenuItem systemEditorMenuItem = createMenuItem(menu, descriptor,
preferredEditor);
systemEditorMenuItem.setEnabled(false);
// Add system in-place editor
descriptor = registry
.findEditor(IEditorRegistry.SYSTEM_INPLACE_EDITOR_ID);
final MenuItem inPlaceEditorMenuItem = (descriptor != null) ? createMenuItem(
menu, descriptor, preferredEditor)
: null;
if (inPlaceEditorMenuItem != null)
inPlaceEditorMenuItem.setEnabled(false);
Job job = new Job("updateOpenWithMenu") { //$NON-NLS-1$
protected IStatus run(IProgressMonitor monitor) {
try {
final boolean isFile = fileRevision.getStorage(monitor) instanceof IFile;
Display.getDefault().asyncExec(new Runnable() {
public void run() {
if (inPlaceEditorMenuItem != null
&& !inPlaceEditorMenuItem.isDisposed())
inPlaceEditorMenuItem.setEnabled(isFile);
if (!systemEditorMenuItem.isDisposed())
systemEditorMenuItem.setEnabled(isFile);
}
});
return Status.OK_STATUS;
} catch (CoreException e) {
return new Status(IStatus.WARNING, TeamUIPlugin.ID, null, e);
}
};
};
job.setSystem(true);
job.schedule();*/
createDefaultMenuItem(menu, fileRevision);
// add Other... menu item
createOtherMenuItem(menu);
}