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/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Tom Eicher (Avaloq Evolution AG) - block selection mode
* Tom Hofmann (Perspectix AG) - bug 297572
*******************************************************************************/
package org.eclipse.fx.text.ui.source;
import java.util.Set;
import java.util.function.BiFunction;
import java.util.function.Function;
import org.eclipse.fx.text.hover.HoverInfo;
import org.eclipse.fx.text.ui.Feature;
import org.eclipse.fx.text.ui.ITextViewerExtension2;
import org.eclipse.fx.text.ui.TextViewer;
import org.eclipse.fx.text.ui.contentassist.ContentAssistant;
import org.eclipse.fx.text.ui.contentassist.IContentAssistant;
import org.eclipse.fx.text.ui.internal.AnnotationModelSupport;
import org.eclipse.fx.text.ui.internal.SimpleSmartIndent;
import org.eclipse.fx.text.ui.internal.WrappedLineRulerAnnotationPresenter;
import org.eclipse.fx.text.ui.internal.WrappedTextAnnotationPresenter;
import org.eclipse.fx.text.ui.presentation.IPresentationReconciler;
import org.eclipse.fx.text.ui.reconciler.IReconciler;
import org.eclipse.fx.ui.controls.styledtext.VerifyEvent;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ISynchronizable;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.AnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModelExtension;
public class SourceViewer extends TextViewer implements ISourceViewer, ISourceViewerExtension, ISourceViewerExtension2, ISourceViewerExtension3, ISourceViewerExtension4 {
private IPresentationReconciler fPresentationReconciler;
private IReconciler fReconciler;
private IAnnotationModel fVisualAnnotationModel;
protected final static Object MODEL_ANNOTATION_MODEL= new Object();
private Annotation fRangeIndicator;
private BiFunction<IDocument, Integer, Set<HoverInfo>> documentHoverInfoLookup = null;
private Function<Annotation, Set<HoverInfo>> annotationHoverInfoLookup = null;
@Override
public void configure(SourceViewerConfiguration configuration) {
if (getTextWidget() == null)
return;
// installPlugin(new InvisibleCharacterPlugin());
if (configuration.getFeatures() != null) {
getFeatures().bind(configuration.getFeatures());
}
setUndoManager(configuration.getUndoManager(this));
getTextWidget().getStyleClass().add(configuration.getStyleclassName());
this.documentHoverInfoLookup = configuration::getDocumentHoverInfo;
this.annotationHoverInfoLookup = configuration::getAnnotationHoverInfo;
// if( configuration.getDefaultStylesheet().getValue() != null ) {
// getTextWidget().getStylesheets().add(configuration.getDefaultStylesheet().getValue().toExternalForm());
// }
//
// configuration.getDefaultStylesheet().addListener((obs,oldVal,newVal) -> {
// if( oldVal != null ) {
// getTextWidget().getStylesheets().remove(oldVal.toExternalForm());
// }
// if( newVal != null ) {
// getTextWidget().getStylesheets().add(newVal.toExternalForm());
// }
// });
if (configuration.getContentAssist() instanceof ContentAssistant) {
((ContentAssistant)configuration.getContentAssist()).setAutoTriggers(configuration.getContentAssistAutoTriggers());
}
setDocumentPartitioning(configuration.getConfiguredDocumentPartitioning(this));
// install content type independent plug-ins
fPresentationReconciler= configuration.getPresentationReconciler(this);
if (fPresentationReconciler != null)
fPresentationReconciler.install(this);
fReconciler= configuration.getReconciler(this);
if (fReconciler != null)
fReconciler.install(this);
IContentAssistant assist = configuration.getContentAssist();
if( assist != null ) {
assist.install(this);
}
//TODO This is complete different to JFace-Text
IAnnotationModel annotationModel = configuration.getAnnotationModel();
if( annotationModel != null ) {
// getTextWidget().setLineRulerGraphicNodeFactory(this::annotationFactory);
// NFO: the line ruler is updated by changes to the annotation model
// annotationModel.addAnnotationModelListener(new IAnnotationModelListener() {
//
// private boolean scheduled = false;
//
// @Override
// public void modelChanged(IAnnotationModel model) {
// if( ! this.scheduled ) {
// this.scheduled = true;
// Platform.runLater(() -> {
// this.scheduled = false;
// getTextWidget().refreshLineRuler();
// });
// }
// }
//
// });
}
if( configuration.getAnnotationPresenter() != null ) {
// install presenters
configuration.getAnnotationPresenter().getLineRulerAnnotationPresenter().forEach(p -> {
System.err.println("adding line ruler presenter " + p);
getTextWidget().getAnnotationPresenter().add(new WrappedLineRulerAnnotationPresenter(p));
});
configuration.getAnnotationPresenter().getTextAnnotationPresenter().forEach(p -> {
getTextWidget().getAnnotationPresenter().add(new WrappedTextAnnotationPresenter(p));
});
}
// presenterMap.putAll(configuration.getAnnotationPresenters().stream().collect(Collectors.toMap(p -> p.getType(), p -> p)));
AnnotationPainter annotationPainter = configuration.getAnnotationPainter(this);
if( annotationModel != null && annotationPainter != null ) {
annotationModel.addAnnotationModelListener(annotationPainter);
addTextPresentationListener(annotationPainter);
}
String[] types= configuration.getConfiguredContentTypes(this);
for (int i= 0; i < types.length; i++) {
String t = types[i];
setTextHover(configuration.getTextHover(this, t), t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
}
// register annotation model with text widget
if (annotationModel != null) {
AnnotationModelSupport support = new AnnotationModelSupport(annotationModel, getTextWidget());
support.install();
// MarkerAnnotationPlugin markerAnnotationPlugin = new MarkerAnnotationPlugin(annotationModel, getTextWidget(), presenterMap);
// markerAnnotationPlugin.install();
// new AnnotationIconLineAnnotationPlugin(annotationModel, getTextWidget(),
//
//
// (a)->presenterMap.get(a.getType()).getPresentation(a));
// installPlugin(new AnnotationPlugin(annotationModel));
// annotationModel.addAnnotationModelListener(new IAnnotationModelListener() {
// @Override
// public void modelChanged(IAnnotationModel model) {
// System.err.println("Annotation model change!");
//
// Map<String, StyledTextAnnotation> toAdd = new HashMap<>();
// Map<String, StyledTextAnnotation> toRemove = new HashMap<>();
//
//
// Map<String, StyledTextAnnotation> current = new HashMap<>();
// for (StyledTextAnnotation n : getTextWidget().getAnnotations()) {
// current.put(n.getId(), n);
// toRemove.put(n.getId(), n);
// }
//
// Iterator it = model.getAnnotationIterator();
// while (it.hasNext()) {
// Annotation next = (Annotation) it.next();
// Position pos = model.getPosition(next);
// String id = Integer.toHexString(next.hashCode());
// if (pos != null) {
//
// if (current.containsKey(id)) {
// toRemove.remove(id);
// }
// else {
// StyledTextAnnotation s = new StyledTextAnnotation() {
// @Override
// public String getId() {
// return id;
// }
//
// @Override
// public String getType() {
// return next.getType();
// }
//
// @Override
// public String getText() {
// return next.getText();
// }
//
// @Override
// public int getStartOffset() {
// return pos.offset;
// }
//
// @Override
// public int getLength() {
// return pos.length;
// }
// };
// toAdd.put(id, s);
// }
//
// }
// }
// getTextWidget().getAnnotations().removeAll(toRemove.values());
// getTextWidget().getAnnotations().addAll(toAdd.values());
// }
//
// });
}
new SimpleSmartIndent(this);
}
// private Node annotationFactory(StyledTextLine l) {
// //TODO Should use IAnnotationExtension2
// @SuppressWarnings("unchecked")
// Iterator<Annotation> annotationIterator = this.fVisualAnnotationModel.getAnnotationIterator();
// while( annotationIterator.hasNext() ) {
// Annotation a = annotationIterator.next();
// Position position = this.fVisualAnnotationModel.getPosition(a);
//
// if( l.getLineIndex() == getTextWidget().getContent().getLineAtOffset(position.offset) ) {
// AnnotationPresenter annotationPresenter = this.presenterMap.get(a.getType());
// if( annotationPresenter != null ) {
// return annotationPresenter.getPresentation(a);
// }
// return null;
// }
// }
// return null;
// }
@Override
public Set<HoverInfo> getHoverInfo(int offset) {
if (this.documentHoverInfoLookup != null) {
return this.documentHoverInfoLookup.apply(getDocument(), offset);
}
return super.getHoverInfo(offset);
}
@Override
public Set<HoverInfo> getHoverInfo(Annotation annotation) {
if (this.annotationHoverInfoLookup != null) {
return this.annotationHoverInfoLookup.apply(annotation);
}
return super.getHoverInfo(annotation);
}
/**
* Disposes the visual annotation model.
*
* @since 3.1
*/
protected void disposeVisualAnnotationModel() {
if (this.fVisualAnnotationModel != null) {
if (getDocument() != null)
this.fVisualAnnotationModel.disconnect(getDocument());
if ( this.fVisualAnnotationModel instanceof IAnnotationModelExtension)
((IAnnotationModelExtension)this.fVisualAnnotationModel).removeAnnotationModel(MODEL_ANNOTATION_MODEL);
this.fVisualAnnotationModel= null;
}
}
/**
* Creates the visual annotation model on top of the given annotation model.
*
* @param annotationModel the wrapped annotation model
* @return the visual annotation model on top of the given annotation model
* @since 3.0
*/
@SuppressWarnings("static-method")
protected IAnnotationModel createVisualAnnotationModel(IAnnotationModel annotationModel) {
IAnnotationModelExtension model= new AnnotationModel();
model.addAnnotationModel(MODEL_ANNOTATION_MODEL, annotationModel);
return (IAnnotationModel) model;
}
public void setDocument(IDocument document, IAnnotationModel annotationModel) {
setDocument(document, annotationModel, -1, -1);
}
@Override
public void setDocument(IDocument document, IAnnotationModel annotationModel, int modelRangeOffset, int modelRangeLength) {
disposeVisualAnnotationModel();
if (annotationModel != null && document != null) {
this.fVisualAnnotationModel= createVisualAnnotationModel(annotationModel);
// Make sure the visual model uses the same lock as the underlying model
if (annotationModel instanceof ISynchronizable && this.fVisualAnnotationModel instanceof ISynchronizable) {
ISynchronizable sync= (ISynchronizable)this.fVisualAnnotationModel;
sync.setLockObject(((ISynchronizable)annotationModel).getLockObject());
}
this.fVisualAnnotationModel.connect(document);
}
if (modelRangeOffset == -1 && modelRangeLength == -1)
super.setDocument(document);
else
super.setDocument(document, modelRangeOffset, modelRangeLength);
}
@Override
public IAnnotationModel getAnnotationModel() {
if (this.fVisualAnnotationModel instanceof IAnnotationModelExtension) {
IAnnotationModelExtension extension= (IAnnotationModelExtension) this.fVisualAnnotationModel;
return extension.getAnnotationModel(MODEL_ANNOTATION_MODEL);
}
return null;
}
public IAnnotationModel getVisualAnnotationModel() {
return this.fVisualAnnotationModel;
}
public void setRangeIndicator(Annotation rangeIndicator) {
this.fRangeIndicator= rangeIndicator;
}
public IRegion getRangeIndication() {
if (this.fRangeIndicator != null && this.fVisualAnnotationModel != null) {
Position position= this.fVisualAnnotationModel.getPosition(this.fRangeIndicator);
if (position != null)
return new Region(position.getOffset(), position.getLength());
}
return null;
}
}
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