/*******************************************************************************
* Copyright (c) 2000, 2008 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 org.eclipse.jdt.internal.ui.text.java.hover;
import org.eclipse.jface.text.IInformationControlCreator;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextHoverExtension;
import org.eclipse.jface.text.ITextHoverExtension2;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.ui.IEditorPart;
import org.eclipse.jdt.ui.text.java.hover.IJavaEditorTextHover;
public class JavaTypeHover implements IJavaEditorTextHover, ITextHoverExtension, ITextHoverExtension2 {
private AbstractJavaEditorTextHover fProblemHover;
private AbstractJavaEditorTextHover fJavadocHover;
/* @since 3.4 */
private AbstractJavaEditorTextHover fCurrentHover;
public JavaTypeHover() {
fProblemHover= new ProblemHover();
fJavadocHover= new JavadocHover();
fCurrentHover= null;
}
/*
* @see IJavaEditorTextHover#setEditor(IEditorPart)
*/
public void setEditor(IEditorPart editor) {
fProblemHover.setEditor(editor);
fJavadocHover.setEditor(editor);
fCurrentHover= null;
}
/*
* @see ITextHover#getHoverRegion(ITextViewer, int)
*/
public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
return fJavadocHover.getHoverRegion(textViewer, offset);
}
/*
* @see ITextHover#getHoverInfo(ITextViewer, IRegion)
*/
public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
return String.valueOf(getHoverInfo2(textViewer, hoverRegion));
}
/*
* @see org.eclipse.jface.text.ITextHoverExtension2#getHoverInfo2(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
* @since 3.4
*/
public Object getHoverInfo2(ITextViewer textViewer, IRegion hoverRegion) {
Object hoverInfo= fProblemHover.getHoverInfo2(textViewer, hoverRegion);
if (hoverInfo != null) {
fCurrentHover= fProblemHover;
return hoverInfo;
}
fCurrentHover= fJavadocHover;
return fJavadocHover.getHoverInfo2(textViewer, hoverRegion);
}
/*
* @see org.eclipse.jface.text.ITextHoverExtension#getHoverControlCreator()
* @since 3.4
*/
public IInformationControlCreator getHoverControlCreator() {
return fCurrentHover == null ? null : fCurrentHover.getHoverControlCreator();
}
/*
* @see org.eclipse.jface.text.information.IInformationProviderExtension2#getInformationPresenterControlCreator()
* @since 3.4
*/
public IInformationControlCreator getInformationPresenterControlCreator() {
return fCurrentHover == null ? null : fCurrentHover.getInformationPresenterControlCreator();
}
}