/**
* Implementation of the <code>IUpdate</code> prototype method discovers the operation through the
* current editor's <code>ITextOperationTarget</code> adapter, and sets the enabled state
* accordingly.
*/
public void update() {
boolean isEnabled =
(fOperationTarget != null
&& fOperationTarget.canDoOperation(ITextOperationTarget.PREFIX)
&& fOperationTarget.canDoOperation(ITextOperationTarget.STRIP_PREFIX));
setEnabled(isEnabled);
}
/**
* Implementation of the <code>IUpdate</code> prototype method discovers the operation through the
* current editor's <code>ITextOperationTarget</code> adapter, and sets the enabled state
* accordingly.
*/
public void update() {
super.update();
if (!canModifyEditor()) {
setEnabled(false);
return;
}
ITextEditor editor = getTextEditor();
if (fOperationTarget == null && editor != null)
fOperationTarget = (ITextOperationTarget) editor.getAdapter(ITextOperationTarget.class);
boolean isEnabled =
(fOperationTarget != null
&& fOperationTarget.canDoOperation(ITextOperationTarget.PREFIX)
&& fOperationTarget.canDoOperation(ITextOperationTarget.STRIP_PREFIX));
setEnabled(isEnabled);
}
/**
* Implementation of the <code>IAction</code> prototype. Checks if the selected lines are all
* commented or not and uncomments/comments them respectively.
*/
public void run() {
if (fOperationTarget == null || fDocumentPartitioning == null || fPrefixesMap == null) return;
ITextEditor editor = getTextEditor();
if (editor == null) return;
if (!validateEditorInputState()) return;
final int operationCode;
if (isSelectionCommented(editor.getSelectionProvider().getSelection()))
operationCode = ITextOperationTarget.STRIP_PREFIX;
else operationCode = ITextOperationTarget.PREFIX;
Shell shell = editor.getSite().getShell();
if (!fOperationTarget.canDoOperation(operationCode)) {
if (shell != null)
// MessageDialog.openError(shell,
// JavaEditorMessages.getString("ToggleComment.error.title"),
// JavaEditorMessages.getString("ToggleComment.error.message"));
// //$NON-NLS-1$ //$NON-NLS-2$
return;
}
Display display = null;
if (shell != null && !shell.isDisposed()) display = shell.getDisplay();
BusyIndicator.showWhile(
display,
new Runnable() {
public void run() {
fOperationTarget.doOperation(operationCode);
}
});
}
/**
* Implementation of the <code>IAction</code> prototype. Checks if the selected lines are all
* commented or not and uncomments/comments them respectively.
*/
@Override
public void run() {
if (fOperationTarget == null || fDocumentPartitioning == null || fPrefixesMap == null) return;
final int operationCode;
if (isSelectionCommented(fViewer.getSelectionProvider().getSelection()))
operationCode = ITextOperationTarget.STRIP_PREFIX;
else operationCode = ITextOperationTarget.PREFIX;
Shell shell = fViewer.getTextWidget().getShell();
if (!fOperationTarget.canDoOperation(operationCode)) {
if (shell != null)
MessageDialog.openError(
shell,
"An error occured",
"ToggleComment_error_message=An error occurred while toggling comments."); //$NON-NLS-1$//$NON-NLS-2$
return;
}
Display display = null;
if (shell != null && !shell.isDisposed()) display = shell.getDisplay();
BusyIndicator.showWhile(
display,
new Runnable() {
public void run() {
fOperationTarget.doOperation(operationCode);
}
});
}
@Override
public void runWithEvent(Event event) {
if (mCanFix) {
ITextOperationTarget operation =
(ITextOperationTarget) mTextEditor.getAdapter(ITextOperationTarget.class);
final int opCode = ISourceViewer.QUICK_ASSIST;
if (operation != null && operation.canDoOperation(opCode)) {
mTextEditor.selectAndReveal(mPosition.getOffset(), mPosition.getLength());
operation.doOperation(opCode);
}
return;
}
super.run();
}
/**
* Updates the enabled state of the action. Fires a property change if the enabled state
* changes.
*
* @see Action#firePropertyChange(String, Object, Object)
*/
public void update() {
// XXX: workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=206111
if (fOperationCode == ITextOperationTarget.REDO) return;
boolean wasEnabled = isEnabled();
boolean isEnabled =
(fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode));
setEnabled(isEnabled);
if (wasEnabled != isEnabled)
firePropertyChange(
ENABLED,
wasEnabled ? Boolean.TRUE : Boolean.FALSE,
isEnabled ? Boolean.TRUE : Boolean.FALSE);
}
/* (non-Javadoc)
* @see org.eclipse.ui.texteditor.IUpdate#update()
*/
@Override
public void update() {
super.update();
if (!isReadOnlyOperation() && !canModifyEditor()) {
setEnabled(false);
return;
}
ITextEditor editor = getTextEditor();
if (fOperationTarget == null && editor != null && fOperationCode != -1)
fOperationTarget = (ITextOperationTarget) editor.getAdapter(ITextOperationTarget.class);
boolean isEnabled =
(fOperationTarget != null && fOperationTarget.canDoOperation(fOperationCode));
setEnabled(isEnabled);
}
/*
* @see org.eclipse.jface.action.IAction#runWithEvent(org.eclipse.swt.widgets.Event)
* @since 3.2
*/
public void runWithEvent(Event event) {
if (fAnnotation instanceof OverrideIndicatorManager.OverrideIndicator) {
((OverrideIndicatorManager.OverrideIndicator) fAnnotation).open();
return;
}
if (fHasCorrection) {
ITextOperationTarget operation =
(ITextOperationTarget) fTextEditor.getAdapter(ITextOperationTarget.class);
final int opCode = ISourceViewer.QUICK_ASSIST;
if (operation != null && operation.canDoOperation(opCode)) {
fTextEditor.selectAndReveal(fPosition.getOffset(), fPosition.getLength());
operation.doOperation(opCode);
}
return;
}
super.run();
}
