+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2006 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
- *******************************************************************************/
-package net.sourceforge.phpdt.internal.ui.text.java.hover;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.StyledText;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.widgets.Menu;
-import org.eclipse.swt.widgets.Shell;
-
-import org.eclipse.jface.viewers.IDoubleClickListener;
-
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IInformationControl;
-import org.eclipse.jface.text.IInformationControlCreator;
-import org.eclipse.jface.text.IInformationControlCreatorExtension;
-import org.eclipse.jface.text.ITextViewerExtension5;
-import org.eclipse.jface.text.Position;
-import org.eclipse.jface.text.TextViewer;
-import org.eclipse.jface.text.source.Annotation;
-import org.eclipse.jface.text.source.CompositeRuler;
-import org.eclipse.jface.text.source.IAnnotationAccess;
-import org.eclipse.jface.text.source.IAnnotationAccessExtension;
-import org.eclipse.jface.text.source.IAnnotationHover;
-import org.eclipse.jface.text.source.IAnnotationHoverExtension;
-import org.eclipse.jface.text.source.IAnnotationModel;
-import org.eclipse.jface.text.source.ILineRange;
-import org.eclipse.jface.text.source.ISourceViewer;
-import org.eclipse.jface.text.source.IVerticalRulerListener;
-import org.eclipse.jface.text.source.LineRange;
-import org.eclipse.jface.text.source.VerticalRulerEvent;
-
-import net.sourceforge.phpdt.internal.ui.text.java.hover.AnnotationExpansionControl.AnnotationHoverInput;
-
-
-/**
- * This class got moved here form Platform Text since it was not used there
- * and caused discouraged access warnings. It will be moved down again once
- * annotation roll-over support is provided by Platform Text.
- *
- * @since 3.2
- */
-public class AnnotationExpandHover implements IAnnotationHover, IAnnotationHoverExtension {
-
- private class InformationControlCreator implements IInformationControlCreator, IInformationControlCreatorExtension {
-
- /*
- * @see org.eclipse.jface.text.IInformationControlCreator#createInformationControl(org.eclipse.swt.widgets.Shell)
- */
- public IInformationControl createInformationControl(Shell parent) {
- return new AnnotationExpansionControl(parent, SWT.NONE, fAnnotationAccess);
- }
-
- /*
- * @see org.eclipse.jface.text.IInformationControlCreatorExtension#canReuse(org.eclipse.jface.text.IInformationControl)
- */
- public boolean canReuse(IInformationControl control) {
- return control instanceof AnnotationExpansionControl;
- }
-
- /*
- * @see org.eclipse.jface.text.IInformationControlCreatorExtension#canReplace(org.eclipse.jface.text.IInformationControlCreator)
- */
- public boolean canReplace(IInformationControlCreator creator) {
- return creator == this;
- }
- }
-
- private class VerticalRulerListener implements IVerticalRulerListener {
-
- /*
- * @see org.eclipse.jface.text.source.IVerticalRulerListener#annotationSelected(org.eclipse.jface.text.source.VerticalRulerEvent)
- */
- public void annotationSelected(VerticalRulerEvent event) {
- fCompositeRuler.fireAnnotationSelected(event);
- }
-
- /*
- * @see org.eclipse.jface.text.source.IVerticalRulerListener#annotationDefaultSelected(org.eclipse.jface.text.source.VerticalRulerEvent)
- */
- public void annotationDefaultSelected(VerticalRulerEvent event) {
- fCompositeRuler.fireAnnotationDefaultSelected(event);
- }
-
- /*
- * @see org.eclipse.jface.text.source.IVerticalRulerListener#annotationContextMenuAboutToShow(org.eclipse.jface.text.source.VerticalRulerEvent, org.eclipse.swt.widgets.Menu)
- */
- public void annotationContextMenuAboutToShow(VerticalRulerEvent event, Menu menu) {
- fCompositeRuler.fireAnnotationContextMenuAboutToShow(event, menu);
- }
- }
-
-
- private final IInformationControlCreator fgCreator= new InformationControlCreator();
- protected final IVerticalRulerListener fgListener= new VerticalRulerListener();
- protected CompositeRuler fCompositeRuler;
- protected IDoubleClickListener fDblClickListener;
- protected IAnnotationAccess fAnnotationAccess;
-
- /**
- * Creates a new hover instance.
- *
- * @param ruler
- * @param access
- * @param doubleClickListener
- */
- public AnnotationExpandHover(CompositeRuler ruler, IAnnotationAccess access, IDoubleClickListener doubleClickListener) {
- fCompositeRuler= ruler;
- fAnnotationAccess= access;
- fDblClickListener= doubleClickListener;
- }
-
- /*
- * @see org.eclipse.jface.text.source.IAnnotationHover#getHoverInfo(org.eclipse.jface.text.source.ISourceViewer, int)
- */
- public String getHoverInfo(ISourceViewer sourceViewer, int line) {
- // we don't have any sensible return value as text
- return null;
- }
-
- protected Object getHoverInfoForLine(ISourceViewer viewer, int line) {
- IAnnotationModel model= viewer.getAnnotationModel();
- IDocument document= viewer.getDocument();
-
- if (model == null)
- return null;
-
- List exact= new ArrayList();
- HashMap messagesAtPosition= new HashMap();
-
- Iterator e= model.getAnnotationIterator();
- while (e.hasNext()) {
- Annotation annotation= (Annotation) e.next();
- Position position= model.getPosition(annotation);
- if (position == null)
- continue;
-
- if (compareRulerLine(position, document, line) == 1) {
- if (isDuplicateMessage(messagesAtPosition, position, annotation.getText()))
- continue;
-
- exact.add(annotation);
- }
- }
-
- if (exact.size() < 1)
- return null;
-
- sort(exact, model);
-
- if (exact.size() > 0)
- setLastRulerMouseLocation(viewer, line);
-
- AnnotationHoverInput input= new AnnotationHoverInput();
- input.fAnnotations= (Annotation[]) exact.toArray(new Annotation[0]);
- input.fViewer= viewer;
- input.fRulerInfo= fCompositeRuler;
- input.fAnnotationListener= fgListener;
- input.fDoubleClickListener= fDblClickListener;
- input.model= model;
-
- return input;
- }
-
- protected void sort(List exact, final IAnnotationModel model) {
- class AnnotationComparator implements Comparator {
-
- /*
- * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
- */
- public int compare(Object o1, Object o2) {
- Annotation a1= (Annotation) o1;
- Annotation a2= (Annotation) o2;
-
- Position p1= model.getPosition(a1);
- Position p2= model.getPosition(a2);
-
- // annotation order:
- // primary order: by position in line
- // secondary: annotation importance
- if (p1.offset == p2.offset)
- return getOrder(a2) - getOrder(a1);
- return p1.offset - p2.offset;
- }
- }
-
- Collections.sort(exact, new AnnotationComparator());
-
- }
-
- protected int getOrder(Annotation annotation) {
- if (fAnnotationAccess instanceof IAnnotationAccessExtension) {
- IAnnotationAccessExtension extension= (IAnnotationAccessExtension) fAnnotationAccess;
- return extension.getLayer(annotation);
- }
- return IAnnotationAccessExtension.DEFAULT_LAYER;
- }
-
- protected boolean isDuplicateMessage(Map messagesAtPosition, Position position, String message) {
- if (message == null)
- return false;
-
- if (messagesAtPosition.containsKey(position)) {
- Object value= messagesAtPosition.get(position);
- if (message == null || message.equals(value))
- return true;
-
- if (value instanceof List) {
- List messages= (List)value;
- if (messages.contains(message))
- return true;
- messages.add(message);
- } else {
- ArrayList messages= new ArrayList();
- messages.add(value);
- messages.add(message);
- messagesAtPosition.put(position, messages);
- }
- } else
- messagesAtPosition.put(position, message);
- return false;
- }
-
- protected void setLastRulerMouseLocation(ISourceViewer viewer, int line) {
- // set last mouse activity in order to get the correct context menu
- if (fCompositeRuler != null) {
- StyledText st= viewer.getTextWidget();
- if (st != null && !st.isDisposed()) {
- if (viewer instanceof ITextViewerExtension5) {
- int widgetLine= ((ITextViewerExtension5)viewer).modelLine2WidgetLine(line);
- Point loc= st.getLocationAtOffset(st.getOffsetAtLine(widgetLine));
- fCompositeRuler.setLocationOfLastMouseButtonActivity(0, loc.y);
- } else if (viewer instanceof TextViewer) {
- // TODO remove once TextViewer implements the extension
- int widgetLine= ((TextViewer)viewer).modelLine2WidgetLine(line);
- Point loc= st.getLocationAtOffset(st.getOffsetAtLine(widgetLine));
- fCompositeRuler.setLocationOfLastMouseButtonActivity(0, loc.y);
- }
- }
- }
- }
-
- /**
- * Returns the distance to the ruler line.
- *
- * @param position the position
- * @param document the document
- * @param line the line number
- * @return the distance to the ruler line
- */
- protected int compareRulerLine(Position position, IDocument document, int line) {
-
- if (position.getOffset() > -1 && position.getLength() > -1) {
- try {
- int firstLine= document.getLineOfOffset(position.getOffset());
- if (line == firstLine)
- return 1;
- if (firstLine <= line && line <= document.getLineOfOffset(position.getOffset() + position.getLength()))
- return 2;
- } catch (BadLocationException x) {
- }
- }
-
- return 0;
- }
-
- /*
- * @see org.eclipse.jface.text.source.IAnnotationHoverExtension#getHoverControlCreator()
- */
- public IInformationControlCreator getHoverControlCreator() {
- return fgCreator;
- }
-
- /*
- * @see org.eclipse.jface.text.source.IAnnotationHoverExtension#getHoverInfo(org.eclipse.jface.text.source.ISourceViewer, org.eclipse.jface.text.source.ILineRange, int)
- */
- public Object getHoverInfo(ISourceViewer sourceViewer, ILineRange lineRange, int visibleLines) {
- return getHoverInfoForLine(sourceViewer, lineRange.getStartLine());
- }
-
- /*
- * @see org.eclipse.jface.text.source.IAnnotationHoverExtension#getHoverLineRange(org.eclipse.jface.text.source.ISourceViewer, int)
- */
- public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) {
- return new LineRange(lineNumber, 1);
- }
-
- /*
- * @see org.eclipse.jface.text.source.IAnnotationHoverExtension#canHandleMouseCursor()
- */
- public boolean canHandleMouseCursor() {
- return true;
- }
-}
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