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/*
* Copyright (C) 2007 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.editors.drawable;
import static com.android.ide.eclipse.adt.AdtConstants.EDITORS_NAMESPACE;
import com.android.annotations.NonNull;
import com.android.annotations.Nullable;
import com.android.ide.eclipse.adt.internal.editors.common.CommonXmlDelegate;
import com.android.ide.eclipse.adt.internal.editors.common.CommonXmlEditor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.DocumentDescriptor;
import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
import com.android.ide.eclipse.adt.internal.sdk.AndroidTargetData;
import com.android.resources.ResourceFolderType;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* Editor for /res/drawable XML files.
*/
@SuppressWarnings("restriction")
public class DrawableEditorDelegate extends CommonXmlDelegate {
public static class Creator implements IDelegateCreator {
@Override
@SuppressWarnings("unchecked")
public DrawableEditorDelegate createForFile(
@NonNull CommonXmlEditor delegator,
@Nullable ResourceFolderType type) {
if (ResourceFolderType.DRAWABLE == type) {
return new DrawableEditorDelegate(delegator);
}
return null;
}
}
/**
* Old standalone-editor ID.
* Use {@link CommonXmlEditor#ID} instead.
*/
public static final String LEGACY_EDITOR_ID =
EDITORS_NAMESPACE + ".drawable.DrawableEditor"; //$NON-NLS-1$
/** The tag used at the root */
private String mRootTag;
/**
* Creates the form editor for resources XML files.
*/
private DrawableEditorDelegate(CommonXmlEditor editor) {
super(editor, new DrawableContentAssist());
editor.addDefaultTargetListener();
}
@Override
public void delegateCreateFormPages() {
/* Disabled for now; doesn't work quite right
try {
addPage(new DrawableTreePage(this));
} catch (PartInitException e) {
AdtPlugin.log(IStatus.ERROR, "Error creating nested page"); //$NON-NLS-1$
AdtPlugin.getDefault().getLog().log(e.getStatus());
}
*/
}
@Override
public void delegateXmlModelChanged(Document xmlDoc) {
Element rootElement = xmlDoc.getDocumentElement();
if (rootElement != null) {
mRootTag = rootElement.getTagName();
}
delegateInitUiRootNode(false /*force*/);
if (mRootTag != null
&& !mRootTag.equals(getUiRootNode().getDescriptor().getXmlLocalName())) {
AndroidTargetData data = getEditor().getTargetData();
if (data != null) {
ElementDescriptor descriptor =
data.getDrawableDescriptors().getElementDescriptor(mRootTag);
// Replace top level node now that we know the actual type
// Disconnect from old
getUiRootNode().setEditor(null);
getUiRootNode().setXmlDocument(null);
// Create new
setUiRootNode(descriptor.createUiNode());
getUiRootNode().setXmlDocument(xmlDoc);
getUiRootNode().setEditor(getEditor());
}
}
if (getUiRootNode().getDescriptor() instanceof DocumentDescriptor) {
getUiRootNode().loadFromXmlNode(xmlDoc);
} else {
getUiRootNode().loadFromXmlNode(rootElement);
}
}
@Override
public void delegateInitUiRootNode(boolean force) {
// The manifest UI node is always created, even if there's no corresponding XML node.
if (getUiRootNode() == null || force) {
ElementDescriptor descriptor;
boolean reload = false;
AndroidTargetData data = getEditor().getTargetData();
if (data == null) {
descriptor = new DocumentDescriptor("temp", null /*children*/);
} else {
descriptor = data.getDrawableDescriptors().getElementDescriptor(mRootTag);
reload = true;
}
setUiRootNode(descriptor.createUiNode());
getUiRootNode().setEditor(getEditor());
if (reload) {
onDescriptorsChanged();
}
}
}
private void onDescriptorsChanged() {
IStructuredModel model = getEditor().getModelForRead();
if (model != null) {
try {
Node node = getEditor().getXmlDocument(model).getDocumentElement();
getUiRootNode().reloadFromXmlNode(node);
} finally {
model.releaseFromRead();
}
}
}
}
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