| /******************************************************************************* |
| * Copyright (c) 2007, 2010 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.wst.jsdt.web.ui.internal.contentassist; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.jface.text.contentassist.ICompletionProposalExtension5; |
| import org.eclipse.jface.text.contentassist.IContextInformation; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.wst.jsdt.internal.ui.text.java.JavaCompletionProposal; |
| import org.eclipse.wst.jsdt.internal.ui.text.java.LazyJavaCompletionProposal; |
| import org.eclipse.wst.jsdt.internal.ui.text.java.LazyJavaTypeCompletionProposal; |
| import org.eclipse.wst.jsdt.ui.text.java.IJavaCompletionProposal; |
| |
| /** |
| * |
| |
| * Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| */ |
| public class JSDTCompletionProposal extends JavaCompletionProposal implements IJavaCompletionProposal { |
| /* |
| * https://bugs.eclipse.org/bugs/show_bug.cgi?id=124483 |
| * |
| * This is a wrapped proposal so we don't need to make "slow" calls to the |
| * java proposal up front, only when needed for example, getAdditionalInfo() |
| * reads external javadoc, and it makes no sense |
| */ |
| ICompletionProposal fJavaCompletionProposal = null; |
| |
| public JSDTCompletionProposal(String replacementString, int replacementOffset, int replacementLength, int cursorPosition, Image image, |
| String displayString, IContextInformation contextInformation, String additionalProposalInfo, int relevance, |
| boolean updateReplacementLengthOnValidate) { |
| super(replacementString, replacementOffset, replacementLength, image, displayString, relevance); |
| super.setCursorPosition(cursorPosition); |
| super.setContextInformation(contextInformation); |
| // super(replacementString, replacementOffset, replacementLength, |
| // cursorPosition, image, displayString, contextInformation, |
| // additionalProposalInfo, relevance, |
| // updateReplacementLengthOnValidate); |
| } |
| |
| /** |
| * <p>Uses the wrapped proposal if its lazy</p> |
| */ |
| public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) { |
| if (this.fJavaCompletionProposal instanceof LazyJavaCompletionProposal) { |
| ((LazyJavaCompletionProposal) this.fJavaCompletionProposal).apply(viewer, trigger, stateMask, offset); |
| } |
| else { |
| super.apply(viewer, trigger, stateMask, offset); |
| } |
| } |
| |
| /** |
| * <p>Uses the wrapped proposal if its lazy</p> |
| * |
| * @return the selection after the proposal has been applied |
| */ |
| public Point getSelection(IDocument document) { |
| Point selection; |
| if (this.fJavaCompletionProposal instanceof LazyJavaCompletionProposal) { |
| selection = this.fJavaCompletionProposal.getSelection(document); |
| } |
| else { |
| selection = super.getSelection(document); |
| } |
| return selection; |
| } |
| |
| public Object getAdditionalProposalInfo(IProgressMonitor monitor) { |
| Object additionalInfo = super.getAdditionalProposalInfo(monitor); |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| if ((javaProposal != null) && (javaProposal instanceof ICompletionProposalExtension5)) { |
| additionalInfo = ((ICompletionProposalExtension5) javaProposal).getAdditionalProposalInfo(monitor); |
| } |
| return additionalInfo; |
| } |
| |
| public String getAdditionalProposalInfo() { |
| String additionalInfo = super.getAdditionalProposalInfo(); |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| if (javaProposal != null) { |
| additionalInfo = javaProposal.getAdditionalProposalInfo(); |
| } |
| return additionalInfo; |
| } |
| |
| final public ICompletionProposal getJavaCompletionProposal() { |
| return fJavaCompletionProposal; |
| } |
| |
| final public void setJavaCompletionProposal(ICompletionProposal javaCompletionProposal) { |
| fJavaCompletionProposal = javaCompletionProposal; |
| } |
| |
| protected boolean isValidPrefix(String prefix) { |
| if (this.fJavaCompletionProposal instanceof LazyJavaTypeCompletionProposal) { |
| return ((LazyJavaTypeCompletionProposal) this.fJavaCompletionProposal).isValidTypePrefix(prefix); |
| } |
| return super.isValidPrefix(prefix); |
| } |
| } |