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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.lint;
import static com.android.SdkConstants.ANDROID_URI;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.AdtUtils;
import com.android.ide.eclipse.adt.internal.editors.AndroidXmlEditor;
import com.android.utils.XmlUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.Region;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
@SuppressWarnings("restriction") // DOM model
abstract class SetPropertyFix extends DocumentFix {
private Region mSelect;
protected SetPropertyFix(String id, IMarker marker) {
super(id, marker);
}
/** Attribute to be added */
protected abstract String getAttribute();
/** Whether it's in the android: namespace */
protected abstract boolean isAndroidAttribute();
protected String getProposal(Element element) {
return invokeCodeCompletion() ? "" : "TODO"; //$NON-NLS-1$
}
protected boolean invokeCodeCompletion() {
return false;
}
@Override
public boolean isCancelable() {
return false;
}
@Override
protected void apply(IDocument document, IStructuredModel model, Node node, int start,
int end) {
mSelect = null;
if (node instanceof Element) {
Element element = (Element) node;
String proposal = getProposal(element);
String localAttribute = getAttribute();
String prefix = null;
if (isAndroidAttribute()) {
prefix = XmlUtils.lookupNamespacePrefix(node, ANDROID_URI);
}
String attribute = prefix != null ? prefix + ':' + localAttribute : localAttribute;
// This does not work even though it should: it does not include the prefix
//element.setAttributeNS(ANDROID_URI, localAttribute, proposal);
// So workaround instead:
element.setAttribute(attribute, proposal);
Attr attr = null;
if (isAndroidAttribute()) {
attr = element.getAttributeNodeNS(ANDROID_URI, localAttribute);
} else {
attr = element.getAttributeNode(localAttribute);
}
if (attr instanceof IndexedRegion) {
IndexedRegion region = (IndexedRegion) attr;
int offset = region.getStartOffset();
// We only want to select the value part inside the quotes,
// so skip the attribute and =" parts added by WST:
offset += attribute.length() + 2;
if (selectValue()) {
mSelect = new Region(offset, proposal.length());
}
}
}
}
protected boolean selectValue() {
return true;
}
@Override
public void apply(IDocument document) {
try {
IFile file = (IFile) mMarker.getResource();
super.apply(document);
AdtPlugin.openFile(file, mSelect, true);
} catch (PartInitException e) {
AdtPlugin.log(e, null);
}
// Invoke code assist
if (invokeCodeCompletion()) {
IEditorPart editor = AdtUtils.getActiveEditor();
if (editor instanceof AndroidXmlEditor) {
((AndroidXmlEditor) editor).invokeContentAssist(-1);
}
}
}
@Override
public boolean needsFocus() {
// Because we need to show the editor with text selected
return true;
}
@Override
public Image getImage() {
ISharedImages sharedImages = PlatformUI.getWorkbench().getSharedImages();
return sharedImages.getImage(ISharedImages.IMG_OBJ_ADD);
}
}
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