/*******************************************************************************
* Copyright (c) 2005, 2016 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.javadoc;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.contentassist.BoldStylerProvider;
import org.eclipse.jdt.core.CompletionProposal;
import org.eclipse.jdt.core.search.SearchPattern;
import org.eclipse.jdt.internal.corext.util.Strings;
import org.eclipse.jdt.ui.text.java.JavaContentAssistInvocationContext;
import org.eclipse.jdt.internal.ui.text.java.LazyJavaTypeCompletionProposal;
/**
* Types directly completed to {@link Type}. See {@link CompletionProposal#JAVADOC_TYPE_REF}.
*
* @since 3.2
*/
public class JavadocLinkTypeCompletionProposal extends LazyJavaTypeCompletionProposal {
private static final String LINK_PREFIX= "{@link "; //$NON-NLS-1$
public JavadocLinkTypeCompletionProposal(CompletionProposal proposal, JavaContentAssistInvocationContext context) {
super(proposal, context);
Assert.isTrue(isInJavadoc());
}
/*
* @see org.eclipse.jdt.internal.ui.text.java.LazyJavaTypeCompletionProposal#computeReplacementString()
*/
@Override
protected String computeReplacementString() {
String typeReplacement= super.computeReplacementString();
// XXX: respect the auto-close preference, but do so consistently with method completions
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=113544
// if (autocloseBrackets())
return LINK_PREFIX + typeReplacement + "}"; //$NON-NLS-1$
// else
// return "{@link " + typeReplacement; //$NON-NLS-1$
}
/*
* @see org.eclipse.jdt.internal.ui.text.java.LazyJavaTypeCompletionProposal#apply(org.eclipse.jface.text.IDocument, char, int)
*/
@Override
public void apply(IDocument document, char trigger, int offset) {
// convert . to #
if (trigger == '.')
trigger= '#';
// XXX: respect the auto-close preference, but do so consistently with method completions
// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=113544
// boolean continueWithMember= trigger == '#' && autocloseBrackets();
boolean continueWithMember= trigger == '#';
if (continueWithMember)
setCursorPosition(getCursorPosition() - 1); // before the closing curly brace
super.apply(document, trigger, offset);
if (continueWithMember)
setUpLinkedMode(document, '}');
}
@Override
public StyledString getStyledDisplayString(IDocument document, int offset, BoldStylerProvider boldStylerProvider) {
StyledString styledDisplayString= new StyledString();
styledDisplayString.append(getStyledDisplayString());
String pattern= getPatternToEmphasizeMatch(document, offset);
if (pattern != null && pattern.length() > 0) {
String displayString= styledDisplayString.getString();
int index= displayString.indexOf('-');
if (index != -1) {
displayString= displayString.substring(0, index);
}
int prefixLength= LINK_PREFIX.length();
displayString= displayString.substring(prefixLength);
int patternMatchRule= getPatternMatchRule(pattern, displayString);
int[] matchingRegions= SearchPattern.getMatchingRegions(pattern, displayString, patternMatchRule);
if (matchingRegions != null) {
for (int i= 0; i < matchingRegions.length; i+= 2) {
matchingRegions[i]= matchingRegions[i] + prefixLength;
}
}
Strings.markMatchingRegions(styledDisplayString, 0, matchingRegions, boldStylerProvider.getBoldStyler());
}
return styledDisplayString;
}
}