/*******************************************************************************
* 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.ant.internal.ui.editor.templates;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.templates.Template;
import org.eclipse.jface.text.templates.TemplateContext;
import org.eclipse.jface.text.templates.TemplateProposal;
import org.eclipse.swt.graphics.Image;
public class AntTemplateProposal extends TemplateProposal {
public AntTemplateProposal(Template template, TemplateContext context, IRegion region, Image image, int relevance) {
super(template, context, region, image, relevance);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#validate(org.eclipse.jface.text.IDocument, int,
* org.eclipse.jface.text.DocumentEvent)
*/
@Override
public boolean validate(IDocument document, int offset, DocumentEvent event) {
try {
int replaceOffset = getReplaceOffset();
if (offset >= replaceOffset) {
String content = document.get(replaceOffset, offset - replaceOffset);
if (content.length() == 0) {
return true;
}
if (content.charAt(0) == '<') {
content = content.substring(1);
}
return getTemplate().getName().toLowerCase().startsWith(content.toLowerCase());
}
}
catch (BadLocationException e) {
// concurrent modification - ignore
}
return false;
}
}