| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ajdt.internal.ui.editor; |
| |
| import org.eclipse.ajdt.core.javaelements.AJCompilationUnit; |
| import org.eclipse.ajdt.core.javaelements.AJCompilationUnitManager; |
| import org.eclipse.ajdt.core.javaelements.PointcutUtilities; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.ISourceReference; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.internal.ui.actions.SelectionConverter; |
| import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor; |
| import org.eclipse.jdt.internal.ui.text.java.hover.AbstractJavaEditorTextHover; |
| import org.eclipse.jface.text.IInformationControl; |
| import org.eclipse.jface.text.IInformationControlCreator; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextHoverExtension; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.information.IInformationProviderExtension2; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.editors.text.EditorsUI; |
| |
| /** |
| * Hover to show the definition of pointcuts. Loosely based on |
| * org.eclipse.jdt.internal.ui.text.java.hover.JavaSourceHover |
| */ |
| public class PointcutSourceHover extends AbstractJavaEditorTextHover implements |
| ITextHoverExtension, IInformationProviderExtension2 { |
| |
| /* |
| * @see ITextHover#getHoverInfo(ITextViewer, IRegion) |
| */ |
| public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) { |
| if (!(getEditor() instanceof AspectJEditor)) { |
| return null; |
| } |
| IJavaElement input = SelectionConverter |
| .getInput((JavaEditor) getEditor()); |
| int offset = hoverRegion.getOffset(); |
| if (input instanceof ICompilationUnit) { |
| input = AJCompilationUnitManager.mapToAJCompilationUnit((ICompilationUnit)input); |
| } |
| if (input instanceof AJCompilationUnit) { |
| AJCompilationUnit ajcu = (AJCompilationUnit) input; |
| String source = PointcutUtilities.isInPointcutContext(ajcu, offset); |
| if (source != null) { |
| String id = PointcutUtilities.findIdentifier(source, offset); |
| if (id != null) { |
| try { |
| IJavaElement pc = PointcutUtilities.findPointcut(ajcu |
| .getElementAt(offset), id); |
| if (pc != null) { |
| IResource res = pc.getUnderlyingResource(); |
| AJCompilationUnit cu = AJCompilationUnitManager.INSTANCE |
| .getAJCompilationUnit((IFile) res); |
| if (cu != null) { |
| cu.requestOriginalContentMode(); |
| String pcs = ((ISourceReference) pc) |
| .getSource(); |
| cu.discardOriginalContentMode(); |
| return pcs; |
| } |
| return ((ISourceReference) pc).getSource(); |
| } |
| } catch (JavaModelException e) { |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.ITextHoverExtension#getHoverControlCreator() |
| * @since 3.0 |
| */ |
| public IInformationControlCreator getHoverControlCreator() { |
| return new IInformationControlCreator() { |
| public IInformationControl createInformationControl(Shell parent) { |
| // need to use our own version to get AJ keyword highlighting |
| return new AJSourceViewerInformationControl(parent, |
| EditorsUI.getTooltipAffordanceString()); |
| } |
| }; |
| } |
| |
| /* |
| * @see IInformationProviderExtension2#getInformationPresenterControlCreator() |
| * @since 3.0 |
| */ |
| public IInformationControlCreator getInformationPresenterControlCreator() { |
| return new IInformationControlCreator() { |
| public IInformationControl createInformationControl(Shell parent) { |
| int shellStyle = SWT.RESIZE | SWT.TOOL; |
| int style = SWT.V_SCROLL | SWT.H_SCROLL; |
| // need to use our own version to get AJ keyword highlighting |
| return new AJSourceViewerInformationControl(parent, shellStyle, |
| style); |
| } |
| }; |
| } |
| |
| } |