/**
* Construct a new menu extender.
*
* @param id the menu id
* @param menu the menu to extend
* @param prov the selection provider
* @param part the part to extend
* @param includeEditorInput Whether the editor input should be included when adding object
* contributions to this context menu.
*/
public PopupMenuExtender(
final String id,
final MenuManager menu,
final ISelectionProvider prov,
final IWorkbenchPart part,
final boolean includeEditorInput) {
super();
this.menu = menu;
this.selProvider = prov;
this.part = part;
this.modelPart = (MPart) part.getSite().getService(MPart.class);
if (includeEditorInput) {
bitSet |= INCLUDE_EDITOR_INPUT;
}
menu.addMenuListener(this);
if (!menu.getRemoveAllWhenShown()) {
menuWrapper = new SubMenuManager(menu);
menuWrapper.setVisible(true);
}
createModelFor(id);
addMenuId(id);
Platform.getExtensionRegistry().addRegistryChangeListener(this);
}
private void configureContextMenu() {
final boolean editable = isEditable(sourceViewer);
final TextViewerAction cutAction;
final TextViewerAction undoAction;
final TextViewerAction redoAction;
final TextViewerAction pasteAction;
if (editable) {
cutAction = new TextViewerAction(sourceViewer, ITextOperationTarget.CUT);
cutAction.setText(UIText.SpellCheckingMessageArea_cut);
cutAction.setActionDefinitionId(IWorkbenchCommandConstants.EDIT_CUT);
undoAction = new TextViewerAction(sourceViewer, ITextOperationTarget.UNDO);
undoAction.setText(UIText.SpellcheckableMessageArea_undo);
undoAction.setActionDefinitionId(IWorkbenchCommandConstants.EDIT_UNDO);
redoAction = new TextViewerAction(sourceViewer, ITextOperationTarget.REDO);
redoAction.setText(UIText.SpellcheckableMessageArea_redo);
redoAction.setActionDefinitionId(IWorkbenchCommandConstants.EDIT_REDO);
pasteAction = new TextViewerAction(sourceViewer, ITextOperationTarget.PASTE);
pasteAction.setText(UIText.SpellCheckingMessageArea_paste);
pasteAction.setActionDefinitionId(IWorkbenchCommandConstants.EDIT_PASTE);
} else {
cutAction = null;
undoAction = null;
redoAction = null;
pasteAction = null;
}
final TextViewerAction copyAction =
new TextViewerAction(sourceViewer, ITextOperationTarget.COPY);
copyAction.setText(UIText.SpellCheckingMessageArea_copy);
copyAction.setActionDefinitionId(IWorkbenchCommandConstants.EDIT_COPY);
final TextViewerAction selectAllAction =
new TextViewerAction(sourceViewer, ITextOperationTarget.SELECT_ALL);
selectAllAction.setText(UIText.SpellCheckingMessageArea_selectAll);
selectAllAction.setActionDefinitionId(IWorkbenchCommandConstants.EDIT_SELECT_ALL);
final TextEditorPropertyAction showWhitespaceAction =
new TextEditorPropertyAction(
UIText.SpellcheckableMessageArea_showWhitespace,
sourceViewer,
AbstractTextEditor.PREFERENCE_SHOW_WHITESPACE_CHARACTERS) {
private IPainter whitespaceCharPainter;
@Override
public void propertyChange(PropertyChangeEvent event) {
String property = event.getProperty();
if (property.equals(getPreferenceKey())
|| AbstractTextEditor.PREFERENCE_SHOW_LEADING_SPACES.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_ENCLOSED_SPACES.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_TRAILING_SPACES.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_LEADING_IDEOGRAPHIC_SPACES.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_ENCLOSED_IDEOGRAPHIC_SPACES.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_TRAILING_IDEOGRAPHIC_SPACES.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_LEADING_TABS.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_ENCLOSED_TABS.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_TRAILING_TABS.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_CARRIAGE_RETURN.equals(property)
|| AbstractTextEditor.PREFERENCE_SHOW_LINE_FEED.equals(property)
|| AbstractTextEditor.PREFERENCE_WHITESPACE_CHARACTER_ALPHA_VALUE.equals(
property)) {
synchronizeWithPreference();
}
}
@Override
protected void toggleState(boolean checked) {
if (checked) installPainter();
else uninstallPainter();
}
/** Installs the painter on the viewer. */
private void installPainter() {
Assert.isTrue(whitespaceCharPainter == null);
ITextViewer v = getTextViewer();
if (v instanceof ITextViewerExtension2) {
IPreferenceStore store = getStore();
whitespaceCharPainter =
new WhitespaceCharacterPainter(
v,
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_LEADING_SPACES),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_ENCLOSED_SPACES),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_TRAILING_SPACES),
store.getBoolean(
AbstractTextEditor.PREFERENCE_SHOW_LEADING_IDEOGRAPHIC_SPACES),
store.getBoolean(
AbstractTextEditor.PREFERENCE_SHOW_ENCLOSED_IDEOGRAPHIC_SPACES),
store.getBoolean(
AbstractTextEditor.PREFERENCE_SHOW_TRAILING_IDEOGRAPHIC_SPACES),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_LEADING_TABS),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_ENCLOSED_TABS),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_TRAILING_TABS),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_CARRIAGE_RETURN),
store.getBoolean(AbstractTextEditor.PREFERENCE_SHOW_LINE_FEED),
store.getInt(AbstractTextEditor.PREFERENCE_WHITESPACE_CHARACTER_ALPHA_VALUE));
((ITextViewerExtension2) v).addPainter(whitespaceCharPainter);
}
}
/** Remove the painter from the viewer. */
private void uninstallPainter() {
if (whitespaceCharPainter == null) return;
ITextViewer v = getTextViewer();
if (v instanceof ITextViewerExtension2)
((ITextViewerExtension2) v).removePainter(whitespaceCharPainter);
whitespaceCharPainter.deactivate(true);
whitespaceCharPainter = null;
}
};
MenuManager contextMenu = new MenuManager();
if (cutAction != null) contextMenu.add(cutAction);
contextMenu.add(copyAction);
if (pasteAction != null) contextMenu.add(pasteAction);
contextMenu.add(selectAllAction);
if (undoAction != null) contextMenu.add(undoAction);
if (redoAction != null) contextMenu.add(redoAction);
contextMenu.add(new Separator());
contextMenu.add(showWhitespaceAction);
contextMenu.add(new Separator());
if (editable) {
final SubMenuManager quickFixMenu = new SubMenuManager(contextMenu);
quickFixMenu.setVisible(true);
quickFixMenu.addMenuListener(
new IMenuListener() {
@Override
public void menuAboutToShow(IMenuManager manager) {
quickFixMenu.removeAll();
addProposals(quickFixMenu);
}
});
}
final StyledText textWidget = getTextWidget();
textWidget.setMenu(contextMenu.createContextMenu(textWidget));
textWidget.addFocusListener(
new FocusListener() {
private IHandlerActivation cutHandlerActivation;
private IHandlerActivation copyHandlerActivation;
private IHandlerActivation pasteHandlerActivation;
private IHandlerActivation selectAllHandlerActivation;
private IHandlerActivation undoHandlerActivation;
private IHandlerActivation redoHandlerActivation;
private IHandlerActivation quickFixHandlerActivation;
private IHandlerActivation contentAssistHandlerActivation;
@Override
public void focusGained(FocusEvent e) {
IHandlerService service = getHandlerService();
if (service == null) return;
if (cutAction != null) {
cutAction.update();
cutHandlerActivation =
service.activateHandler(
IWorkbenchCommandConstants.EDIT_CUT,
new ActionHandler(cutAction),
new ActiveShellExpression(getParent().getShell()));
}
copyAction.update();
copyHandlerActivation =
service.activateHandler(
IWorkbenchCommandConstants.EDIT_COPY,
new ActionHandler(copyAction),
new ActiveShellExpression(getParent().getShell()));
if (pasteAction != null)
this.pasteHandlerActivation =
service.activateHandler(
IWorkbenchCommandConstants.EDIT_PASTE,
new ActionHandler(pasteAction),
new ActiveShellExpression(getParent().getShell()));
selectAllHandlerActivation =
service.activateHandler(
IWorkbenchCommandConstants.EDIT_SELECT_ALL,
new ActionHandler(selectAllAction),
new ActiveShellExpression(getParent().getShell()));
if (undoAction != null)
undoHandlerActivation =
service.activateHandler(
IWorkbenchCommandConstants.EDIT_UNDO,
new ActionHandler(undoAction),
new ActiveShellExpression(getParent().getShell()));
if (redoAction != null)
redoHandlerActivation =
service.activateHandler(
IWorkbenchCommandConstants.EDIT_REDO,
new ActionHandler(redoAction),
new ActiveShellExpression(getParent().getShell()));
if (quickFixActionHandler != null)
quickFixHandlerActivation =
getHandlerService()
.activateHandler(
quickFixActionHandler.getAction().getActionDefinitionId(),
quickFixActionHandler,
new ActiveShellExpression(getParent().getShell()));
if (contentAssistActionHandler != null)
contentAssistHandlerActivation =
getHandlerService()
.activateHandler(
contentAssistActionHandler.getAction().getActionDefinitionId(),
contentAssistActionHandler,
new ActiveShellExpression(getParent().getShell()));
}
@Override
public void focusLost(FocusEvent e) {
IHandlerService service = getHandlerService();
if (service == null) return;
if (cutHandlerActivation != null) service.deactivateHandler(cutHandlerActivation);
if (copyHandlerActivation != null) service.deactivateHandler(copyHandlerActivation);
if (pasteHandlerActivation != null) service.deactivateHandler(pasteHandlerActivation);
if (selectAllHandlerActivation != null)
service.deactivateHandler(selectAllHandlerActivation);
if (undoHandlerActivation != null) service.deactivateHandler(undoHandlerActivation);
if (redoHandlerActivation != null) service.deactivateHandler(redoHandlerActivation);
if (quickFixHandlerActivation != null)
service.deactivateHandler(quickFixHandlerActivation);
if (contentAssistHandlerActivation != null)
service.deactivateHandler(contentAssistHandlerActivation);
}
});
sourceViewer.addSelectionChangedListener(
new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
if (cutAction != null) cutAction.update();
copyAction.update();
}
});
if (editable) {
sourceViewer.addTextListener(
new ITextListener() {
@Override
public void textChanged(TextEvent event) {
if (undoAction != null) undoAction.update();
if (redoAction != null) redoAction.update();
}
});
}
textWidget.addDisposeListener(
new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent disposeEvent) {
showWhitespaceAction.dispose();
}
});
}