1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Eclipse Public License, Version 1.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.eclipse.org/org/documents/epl-v10.php
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.ide.eclipse.adt.internal.editors.formatting;
17 
18 import static org.eclipse.jface.text.formatter.FormattingContextProperties.CONTEXT_MEDIUM;
19 import static org.eclipse.jface.text.formatter.FormattingContextProperties.CONTEXT_PARTITION;
20 import static org.eclipse.jface.text.formatter.FormattingContextProperties.CONTEXT_REGION;
21 
22 import com.android.ide.eclipse.adt.internal.preferences.AdtPrefs;
23 
24 import org.eclipse.jface.text.TypedPosition;
25 import org.eclipse.jface.text.formatter.FormattingContext;
26 import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
27 import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
28 import org.eclipse.wst.xml.core.internal.formatter.XMLFormatterFormatProcessor;
29 import org.eclipse.wst.xml.core.text.IXMLPartitions;
30 
31 /**
32  * Customized version of the builtin XML format processor which delegates to the
33  * Android specific formatter such that applying format on IFiles work as
34  * expected
35  */
36 @SuppressWarnings("restriction")
37 public class XmlFormatProcessor extends XMLFormatterFormatProcessor {
38     /** Constructs a new {@link XmlFormatProcessor} */
XmlFormatProcessor()39     public XmlFormatProcessor() {
40     }
41 
42     @Override
formatModel(IStructuredModel structuredModel, int start, int length)43     public void formatModel(IStructuredModel structuredModel, int start, int length) {
44         if (!AdtPrefs.getPrefs().getUseCustomXmlFormatter()) {
45             super.formatModel(structuredModel, start, length);
46             return;
47         }
48 
49         AndroidXmlFormatter formatter = new AndroidXmlFormatter();
50         IStructuredDocument document = structuredModel.getStructuredDocument();
51         FormattingContext context = new FormattingContext();
52         context.setProperty(CONTEXT_MEDIUM, document);
53         context.setProperty(CONTEXT_PARTITION, new TypedPosition(start, length,
54                 IXMLPartitions.XML_DEFAULT));
55         context.setProperty(CONTEXT_REGION, new org.eclipse.jface.text.Region(start, length));
56         formatter.formatMaster(context, document, start, length);
57     }
58 }
59