| /******************************************************************************* |
| * Copyright (c) 2004, 2013 John-Mason P. Shackelford 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: |
| * John-Mason P. Shackelford - initial API and implementation |
| * IBM Corporation - bug 52076 |
| *******************************************************************************/ |
| |
| package org.eclipse.ant.internal.ui.editor.formatter; |
| |
| import java.util.LinkedList; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.TextUtilities; |
| import org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy; |
| import org.eclipse.jface.text.formatter.FormattingContextProperties; |
| import org.eclipse.jface.text.formatter.IFormattingContext; |
| |
| public class XmlDocumentFormattingStrategy extends ContextBasedFormattingStrategy { |
| |
| /** Documents to be formatted by this strategy */ |
| private final LinkedList<IDocument> fDocuments = new LinkedList<IDocument>(); |
| |
| /** access to the preferences store * */ |
| private FormattingPreferences prefs; |
| |
| private int indent = -1; |
| |
| public XmlDocumentFormattingStrategy() { |
| this.prefs = new FormattingPreferences(); |
| } |
| |
| public XmlDocumentFormattingStrategy(FormattingPreferences prefs, int indent) { |
| Assert.isNotNull(prefs); |
| this.prefs = prefs; |
| this.indent = indent; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.text.formatter.IFormattingStrategyExtension#format() |
| */ |
| @Override |
| public void format() { |
| |
| super.format(); |
| final IDocument document = fDocuments.removeFirst(); |
| if (document != null) { |
| // allow formatting of regions, not just the entire document; bug 75611 |
| String documentText = document.get(); |
| XmlDocumentFormatter formatter = new XmlDocumentFormatter(); |
| if (indent != -1) { |
| formatter.setInitialIndent(indent); |
| } |
| formatter.setDefaultLineDelimiter(TextUtilities.getDefaultLineDelimiter(document)); |
| String formattedText = formatter.format(documentText, this.prefs); |
| if (formattedText != null && !formattedText.equals(documentText)) { |
| document.set(formattedText); |
| } |
| } |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy#formatterStarts(org.eclipse.jface.text.formatter.IFormattingContext) |
| */ |
| @Override |
| public void formatterStarts(final IFormattingContext context) { |
| super.formatterStarts(context); |
| fDocuments.addLast((IDocument) context.getProperty(FormattingContextProperties.CONTEXT_MEDIUM)); |
| } |
| |
| /* |
| * @see org.eclipse.jface.text.formatter.ContextBasedFormattingStrategy#formatterStops() |
| */ |
| @Override |
| public void formatterStops() { |
| super.formatterStops(); |
| |
| fDocuments.clear(); |
| } |
| } |