| /******************************************************************************* |
| * Copyright (c) 2005, 2009 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.jst.jsp.ui.internal.contentassist; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jdt.ui.text.java.IJavaCompletionProposal; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IInformationControlCreator; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.contentassist.ICompletionProposal; |
| import org.eclipse.jface.text.contentassist.ICompletionProposalExtension3; |
| import org.eclipse.jface.text.contentassist.ICompletionProposalExtension5; |
| import org.eclipse.jface.text.contentassist.IContextInformation; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.wst.sse.ui.internal.contentassist.CustomCompletionProposal; |
| |
| /** |
| * Implements IJavaCompletionProposal for use with JSPProposalCollector. |
| * |
| * @plannedfor 1.0 |
| */ |
| public class JSPCompletionProposal extends CustomCompletionProposal implements IJavaCompletionProposal, ICompletionProposalExtension3, ICompletionProposalExtension5 { |
| |
| private static final char[] TRIGGERS = new char[] { '.', '[' }; |
| /* |
| * 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 JSPCompletionProposal(String replacementString, int replacementOffset, int replacementLength, int cursorPosition, Image image, String displayString, IContextInformation contextInformation, String additionalProposalInfo, int relevance, boolean updateReplacementLengthOnValidate) { |
| super(replacementString, replacementOffset, replacementLength, cursorPosition, image, displayString, contextInformation, additionalProposalInfo, relevance, updateReplacementLengthOnValidate); |
| } |
| |
| /** |
| * Sets cursor position after applying. |
| */ |
| public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) { |
| if (trigger != (char) 0 ) { |
| setReplacementString(getReplacementString() + trigger); |
| setCursorPosition(getCursorPosition() + 1); |
| } |
| super.apply(viewer, trigger, stateMask, offset); |
| //move the caret to the end of the change |
| int endOffsetOfChanges = getReplacementString().length() + getReplacementOffset(); |
| viewer.getTextWidget().setCaretOffset(endOffsetOfChanges); |
| } |
| |
| final public ICompletionProposal getJavaCompletionProposal() { |
| return fJavaCompletionProposal; |
| } |
| |
| final public void setJavaCompletionProposal(ICompletionProposal javaCompletionProposal) { |
| fJavaCompletionProposal = javaCompletionProposal; |
| } |
| |
| public String getAdditionalProposalInfo() { |
| String additionalInfo = super.getAdditionalProposalInfo(); |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| if(javaProposal != null) |
| additionalInfo = javaProposal.getAdditionalProposalInfo(); |
| |
| return additionalInfo; |
| } |
| |
| /** |
| * use the java proposals image if there is one for this proposals image |
| */ |
| public Image getImage() { |
| if(this.fJavaCompletionProposal != null) { |
| return this.fJavaCompletionProposal.getImage(); |
| } else { |
| return super.getImage(); |
| } |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension5#getAdditionalProposalInfo(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public Object getAdditionalProposalInfo(IProgressMonitor monitor) { |
| Object additionalInfo = super.getAdditionalProposalInfo(); |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| if (javaProposal != null) { |
| if (javaProposal instanceof ICompletionProposalExtension5) |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=260951 |
| additionalInfo = ((ICompletionProposalExtension5) javaProposal).getAdditionalProposalInfo(monitor); |
| else |
| additionalInfo = javaProposal.getAdditionalProposalInfo(); |
| } |
| |
| return additionalInfo; |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getInformationControlCreator() |
| */ |
| public IInformationControlCreator getInformationControlCreator() { |
| // [277530] Use the java proposal's information control creator |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| IInformationControlCreator informationControlCreator = null; |
| |
| if (javaProposal instanceof ICompletionProposalExtension3) |
| informationControlCreator = ((ICompletionProposalExtension3) javaProposal).getInformationControlCreator(); |
| |
| return informationControlCreator; |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getPrefixCompletionStart(org.eclipse.jface.text.IDocument, int) |
| */ |
| public int getPrefixCompletionStart(IDocument document, int completionOffset) { |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| if (javaProposal instanceof ICompletionProposalExtension3) |
| return ((ICompletionProposalExtension3) javaProposal).getPrefixCompletionStart(document, completionOffset); |
| |
| return getReplacementOffset(); |
| } |
| |
| public char[] getTriggerCharacters() { |
| return TRIGGERS; |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getPrefixCompletionText(org.eclipse.jface.text.IDocument, int) |
| */ |
| public CharSequence getPrefixCompletionText(IDocument document, int completionOffset) { |
| ICompletionProposal javaProposal = getJavaCompletionProposal(); |
| if (javaProposal instanceof ICompletionProposalExtension3) |
| return ((ICompletionProposalExtension3) javaProposal).getPrefixCompletionText(document, completionOffset); |
| |
| return getReplacementString(); |
| } |
| } |