@Override
public void fill(final Menu menu, final int index) {
final IScaEditorDescriptor defaultEditor =
ScaContentTypeRegistry.INSTANCE.getScaEditorDescriptor(this.selection);
final IScaEditorDescriptor[] editors =
ScaContentTypeRegistry.INSTANCE.getAllScaEditorDescriptors(this.selection);
Collections.sort(Arrays.asList(editors), OpenWithMenu.COMPARER);
// Check that we don't add it twice. This is possible
// if the same editor goes to two mappings.
final Set<IScaEditorDescriptor> alreadyMapped = new HashSet<IScaEditorDescriptor>();
for (final IScaEditorDescriptor editor : editors) {
if (!alreadyMapped.contains(editor)) {
createMenuItem(menu, editor);
if (defaultEditor != null
&& defaultEditor
.getEditorDescriptor()
.getId()
.equals(editor.getEditorDescriptor().getId())) {
continue;
}
alreadyMapped.add(editor);
}
}
}
private Image getImage(final IScaEditorDescriptor descriptor) {
if (descriptor == null
|| descriptor.getEditorDescriptor() == null
|| descriptor.getEditorDescriptor().getImageDescriptor() == null) {
return null;
}
return ResourceRegistry.INSTANCE
.getResourceManager()
.createImage(descriptor.getEditorDescriptor().getImageDescriptor());
}
/**
* 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 void createMenuItem(final Menu menu, final IScaEditorDescriptor descriptor) {
// XXX: Would be better to use bold here, but SWT does not support it.
final MenuItem menuItem = new MenuItem(menu, SWT.None);
menuItem.setText(descriptor.getEditorDescriptor().getLabel());
final Image image = getImage(descriptor);
if (image != null) {
menuItem.setImage(image);
}
final Listener listener =
new Listener() {
@Override
public void handleEvent(final Event event) {
switch (event.type) {
case SWT.Selection:
OpenEditorUtil.openEditor(page, descriptor);
break;
default:
break;
}
}
};
menuItem.addListener(SWT.Selection, listener);
}
@Override
public int compare(final IScaEditorDescriptor arg0, final IScaEditorDescriptor arg1) {
final String s1 = arg0.getEditorDescriptor().getLabel();
final String s2 = arg1.getEditorDescriptor().getLabel();
return this.collator.compare(s1, s2);
}
