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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.editors.layout.gle2;
import com.android.annotations.NonNull;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.AdtUtils;
import com.android.ide.eclipse.adt.internal.editors.formatting.EclipseXmlPrettyPrinter;
import com.android.ide.eclipse.adt.internal.editors.layout.configuration.Configuration;
import com.android.ide.eclipse.adt.internal.editors.layout.configuration.ConfigurationChooser;
import com.android.ide.eclipse.adt.internal.editors.layout.configuration.ConfigurationDescription;
import com.android.sdklib.devices.Device;
import com.google.common.base.Charsets;
import com.google.common.collect.Lists;
import com.google.common.io.Files;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.QualifiedName;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/** A list of render previews */
class RenderPreviewList {
/** Name of file saved in project directory storing previews */
private static final String PREVIEW_FILE_NAME = "previews.xml"; //$NON-NLS-1$
/** Qualified name for the per-project persistent property include-map */
private final static QualifiedName PREVIEW_LIST = new QualifiedName(AdtPlugin.PLUGIN_ID,
"previewlist");//$NON-NLS-1$
private final IProject mProject;
private final List<ConfigurationDescription> mList = Lists.newArrayList();
private RenderPreviewList(@NonNull IProject project) {
mProject = project;
}
/**
* Returns the {@link RenderPreviewList} for the given project
*
* @param project the project the list is associated with
* @return a {@link RenderPreviewList} for the given project, never null
*/
@NonNull
public static RenderPreviewList get(@NonNull IProject project) {
RenderPreviewList list = null;
try {
list = (RenderPreviewList) project.getSessionProperty(PREVIEW_LIST);
} catch (CoreException e) {
// Not a problem; we will just create a new one
}
if (list == null) {
list = new RenderPreviewList(project);
try {
project.setSessionProperty(PREVIEW_LIST, list);
} catch (CoreException e) {
AdtPlugin.log(e, null);
}
}
return list;
}
private File getManualFile() {
return new File(AdtUtils.getAbsolutePath(mProject).toFile(), PREVIEW_FILE_NAME);
}
void load(Collection<Device> deviceList) throws IOException {
File file = getManualFile();
if (file.exists()) {
load(file, deviceList);
}
}
void save() throws IOException {
deleteFile();
if (!mList.isEmpty()) {
File file = getManualFile();
save(file);
}
}
private void save(File file) throws IOException {
//Document document = DomUtilities.createEmptyPlainDocument();
Document document = DomUtilities.createEmptyDocument();
if (document != null) {
for (ConfigurationDescription description : mList) {
description.toXml(document);
}
String xml = EclipseXmlPrettyPrinter.prettyPrint(document, true);
Files.write(xml, file, Charsets.UTF_8);
}
}
void load(File file, Collection<Device> deviceList) throws IOException {
mList.clear();
String xml = Files.toString(file, Charsets.UTF_8);
Document document = DomUtilities.parseDocument(xml, true);
if (document == null || document.getDocumentElement() == null) {
return;
}
List<Element> elements = DomUtilities.getChildren(document.getDocumentElement());
for (Element element : elements) {
ConfigurationDescription description = ConfigurationDescription.fromXml(
mProject, element, deviceList);
if (description != null) {
mList.add(description);
}
}
}
/**
* Create a list of previews for the given canvas that matches the internal
* configuration preview list
*
* @param canvas the associated canvas
* @return a new list of previews linked to the given canvas
*/
@NonNull
List<RenderPreview> createPreviews(LayoutCanvas canvas) {
if (mList.isEmpty()) {
return new ArrayList<RenderPreview>();
}
List<RenderPreview> previews = Lists.newArrayList();
RenderPreviewManager manager = canvas.getPreviewManager();
ConfigurationChooser chooser = canvas.getEditorDelegate().getGraphicalEditor()
.getConfigurationChooser();
Configuration chooserConfig = chooser.getConfiguration();
for (ConfigurationDescription description : mList) {
Configuration configuration = Configuration.create(chooser);
configuration.setDisplayName(description.displayName);
configuration.setActivity(description.activity);
configuration.setLocale(
description.locale != null ? description.locale : chooserConfig.getLocale(),
true);
// TODO: Make sure this layout isn't in some v-folder which is incompatible
// with this target!
configuration.setTarget(
description.target != null ? description.target : chooserConfig.getTarget(),
true);
configuration.setTheme(
description.theme != null ? description.theme : chooserConfig.getTheme());
configuration.setDevice(
description.device != null ? description.device : chooserConfig.getDevice(),
true);
configuration.setDeviceState(
description.state != null ? description.state : chooserConfig.getDeviceState(),
true);
configuration.setNightMode(
description.nightMode != null ? description.nightMode
: chooserConfig.getNightMode(), true);
configuration.setUiMode(
description.uiMode != null ? description.uiMode : chooserConfig.getUiMode(), true);
//configuration.syncFolderConfig();
configuration.getFullConfig().set(description.folder);
RenderPreview preview = RenderPreview.create(manager, configuration);
preview.setDescription(description);
previews.add(preview);
}
return previews;
}
void remove(@NonNull RenderPreview preview) {
ConfigurationDescription description = preview.getDescription();
if (description != null) {
mList.remove(description);
}
}
boolean isEmpty() {
return mList.isEmpty();
}
void add(@NonNull RenderPreview preview) {
Configuration configuration = preview.getConfiguration();
ConfigurationDescription description =
ConfigurationDescription.fromConfiguration(mProject, configuration);
// RenderPreviews can have display names that aren't reflected in the configuration
description.displayName = preview.getDisplayName();
mList.add(description);
preview.setDescription(description);
}
void delete() {
mList.clear();
deleteFile();
}
private void deleteFile() {
File file = getManualFile();
if (file.exists()) {
file.delete();
}
}
}
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