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/*******************************************************************************
* Copyright (c) 2000, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* David Perryman (IPL Information Processing Limited)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.text.correction;
import java.util.Comparator;
import java.util.Iterator;
import java.util.ResourceBundle;
import java.util.TreeMap;
import org.eclipse.cdt.internal.ui.editor.OverrideIndicatorManager;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextOperationTarget;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.IAnnotationAccessExtension;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.IVerticalRulerInfo;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.editors.text.EditorsUI;
import org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel;
import org.eclipse.ui.texteditor.AnnotationPreference;
import org.eclipse.ui.texteditor.AnnotationPreferenceLookup;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorExtension;
import org.eclipse.ui.texteditor.SelectMarkerRulerAction;
/**
* Action which gets triggered when selecting (annotations) in the vertical ruler.
* based upon org.eclipse.jdt.internal.ui.javaeditor.JavaSelectMarkerRulerAction
*/
public class CSelectAnnotationRulerAction extends SelectMarkerRulerAction {
private ITextEditor fTextEditor;
private Position fPosition;
private AnnotationPreferenceLookup fAnnotationPreferenceLookup;
private IPreferenceStore fStore;
private ResourceBundle fBundle;
// Annotations at the ruler's current line of activity, keyed by their presentation layer,
// in decreasing order (i.e. top to bottom).
private static Comparator<Integer> decreasingOrder = new Comparator<Integer>() {
@Override
public int compare(Integer a, Integer b) {
return b - a;
}
};
private TreeMap<Integer, Annotation> fAnnotations = new TreeMap<>(decreasingOrder);
// For each layer, whether the annotation at that layer has a correction.
private TreeMap<Integer, Boolean> fHasCorrection = new TreeMap<>(decreasingOrder);
public CSelectAnnotationRulerAction(ResourceBundle bundle, String prefix, ITextEditor editor,
IVerticalRulerInfo ruler) {
super(bundle, prefix, editor, ruler);
fBundle = bundle;
fTextEditor = editor;
fAnnotationPreferenceLookup = EditorsUI.getAnnotationPreferenceLookup();
fStore = CUIPlugin.getDefault().getCombinedPreferenceStore();
}
@Override
public void run() {
// is there an equivalent preference for the C Editor?
// if (fStore.getBoolean(PreferenceConstants.EDITOR_ANNOTATION_ROLL_OVER))
// return;
runWithEvent(null);
}
/*
* @see org.eclipse.jface.action.IAction#runWithEvent(org.eclipse.swt.widgets.Event)
*/
@Override
public void runWithEvent(Event event) {
// Give each annotation at the current line, from top to bottom, a chance to handle
// the action. If there are no takers, fall back to the super class implementation.
for (Integer layer : fAnnotations.keySet()) {
Annotation annotation = fAnnotations.get(layer);
if (annotation instanceof OverrideIndicatorManager.OverrideIndicator) {
((OverrideIndicatorManager.OverrideIndicator) annotation).open();
return;
}
if (fHasCorrection.get(layer)) {
ITextOperationTarget operation = 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();
}
@Override
public void update() {
findCAnnotation();
setEnabled(true);
for (Integer layer : fAnnotations.keySet()) {
Annotation annotation = fAnnotations.get(layer);
if (annotation instanceof OverrideIndicatorManager.OverrideIndicator) {
initialize(fBundle, "CSelectAnnotationRulerAction.OpenSuperImplementation."); //$NON-NLS-1$
return;
}
if (fHasCorrection.get(layer)) {
initialize(fBundle, "CSelectAnnotationRulerAction.QuickFix."); //$NON-NLS-1$
return;
}
}
initialize(fBundle, "CSelectAnnotationRulerAction.GotoAnnotation."); //$NON-NLS-1$;
super.update();
}
private void findCAnnotation() {
fPosition = null;
fAnnotations.clear();
fHasCorrection.clear();
AbstractMarkerAnnotationModel model = getAnnotationModel();
IAnnotationAccessExtension annotationAccess = getAnnotationAccessExtension();
IDocument document = getDocument();
if (model == null)
return;
Iterator<?> iter = model.getAnnotationIterator();
while (iter.hasNext()) {
Annotation annotation = (Annotation) iter.next();
if (annotation.isMarkedDeleted())
continue;
int layer = IAnnotationAccessExtension.DEFAULT_LAYER;
if (annotationAccess != null) {
layer = annotationAccess.getLayer(annotation);
}
Position position = model.getPosition(annotation);
if (!includesRulerLine(position, document))
continue;
boolean isReadOnly = fTextEditor instanceof ITextEditorExtension
&& ((ITextEditorExtension) fTextEditor).isEditorInputReadOnly();
if (!isReadOnly && CCorrectionProcessor.hasCorrections(annotation)) {
fPosition = position;
fAnnotations.put(layer, annotation);
fHasCorrection.put(layer, true);
continue;
}
AnnotationPreference preference = fAnnotationPreferenceLookup.getAnnotationPreference(annotation);
if (preference == null)
continue;
String key = preference.getVerticalRulerPreferenceKey();
if (key == null)
continue;
if (fStore.getBoolean(key)) {
fPosition = position;
fAnnotations.put(layer, annotation);
fHasCorrection.put(layer, false);
}
}
}
}
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