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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* 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.motorolamobility.studio.android.db.core.filesystem;
import java.util.List;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.jface.resource.ImageDescriptor;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
import com.motorola.studio.android.common.log.StudioLogger;
import com.motorolamobility.studio.android.db.core.DbCoreActivator;
import com.motorolamobility.studio.android.db.core.event.DatabaseModelEvent.EVENT_TYPE;
import com.motorolamobility.studio.android.db.core.event.DatabaseModelEventManager;
import com.motorolamobility.studio.android.db.core.exception.MotodevDbException;
import com.motorolamobility.studio.android.db.core.i18n.DbCoreNLS;
import com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode;
import com.motorolamobility.studio.android.db.core.ui.DbNode;
import com.motorolamobility.studio.android.db.core.ui.IDbMapperNode;
import com.motorolamobility.studio.android.db.core.ui.IDbNode;
import com.motorolamobility.studio.android.db.core.ui.ISaveStateTreeNode;
import com.motorolamobility.studio.android.db.core.ui.ITreeNode;
import com.motorolamobility.studio.android.db.core.ui.view.SaveStateManager;
/**
* Root node for the filesystem, that allows database mapping/unmapping.
*
*/
public class FilesystemRootNode extends AbstractTreeNode implements IDbMapperNode,
ISaveStateTreeNode
{
private static final String MEMENTO_KEY = "FileSystemNode"; //$NON-NLS-1$
private static final String MEMENTO_PATH_PREFIX = "MappedPath_"; //$NON-NLS-1$
private static final String ICON_PATH = "icons/filesystem.png"; //$NON-NLS-1$
public FilesystemRootNode()
{
}
public FilesystemRootNode(ITreeNode parent)
{
super(parent);
}
public FilesystemRootNode(String id, String name, ITreeNode parent)
{
super(id, name, parent);
}
public FilesystemRootNode(String id, String name, ITreeNode parent, ImageDescriptor icon)
{
super(id, name, parent, icon);
}
@Override
public void refresh()
{
List<ITreeNode> children = getChildren();
for (ITreeNode child : children)
{
if (child instanceof DbNode)
{
DbNode dbNode = (DbNode) child;
if (!dbNode.existsDbFile())
{
//Set error node! Filesystem path does not exist anymore.
IStatus error =
new Status(IStatus.ERROR, DbCoreActivator.PLUGIN_ID,
DbCoreNLS.FilesystemRootNode_Mapped_Db_Not_Found);
dbNode.setNodeStatus(error);
}
else
{
dbNode.setNodeStatus(Status.OK_STATUS);
}
}
}
}
@Override
public boolean isLeaf()
{
return getChildren().isEmpty();
}
/* (non-Javadoc)
* @see com.motorolamobility.studio.android.db.core.ui.AbstractTreeNode#getIcon()
*/
@Override
public ImageDescriptor getIcon()
{
return DbCoreActivator.imageDescriptorFromPlugin(DbCoreActivator.PLUGIN_ID, ICON_PATH);
}
/* (non-Javadoc)
* @see org.eclipse.ui.IActionFilter#testAttribute(java.lang.Object, java.lang.String, java.lang.String)
*/
@Override
public boolean testAttribute(Object target, String name, String value)
{
boolean canUnmap = false;
if (name.equals(IDbMapperNode.UNMAP_ACTIONFILTER_NAME)
&& value.equals(IDbMapperNode.UNMAP_ACTIONFILTER_VALUE))
{
if (!getChildren().isEmpty())
{
canUnmap = true;
}
}
return canUnmap;
}
/* (non-Javadoc)
* @see com.motorolamobility.studio.android.db.core.ui.IDbMapperNode#map(org.eclipse.core.runtime.IPath)
*/
public IStatus map(IPath dbFilePath)
{
IStatus status =
new Status(IStatus.OK, DbCoreActivator.PLUGIN_ID,
DbCoreNLS.FilesystemRootNode_Map_Successful);
DbNode dbNode = null;
try
{
dbNode = new DbNode(dbFilePath, this);
putChild(dbNode);
DatabaseModelEventManager.getInstance().fireEvent(dbNode, EVENT_TYPE.SELECT);
saveState(SaveStateManager.getInstance().getPrefNode());
}
catch (MotodevDbException e)
{
status =
new Status(IStatus.ERROR, DbCoreActivator.PLUGIN_ID, DbCoreNLS.bind(
DbCoreNLS.FilesystemRootNode_Error_Mapping_Description, dbFilePath));
}
return status;
}
/* (non-Javadoc)
* @see com.motorolamobility.studio.android.db.core.ui.IDbMapperNode#unmap(com.motorolamobility.studio.android.db.core.ui.ITreeNode)
*/
public IStatus unmap(ITreeNode dbNode)
{
IStatus status =
new Status(IStatus.OK, DbCoreActivator.PLUGIN_ID,
DbCoreNLS.FilesystemRootNode_Unmapping_Successful);
if (dbNode instanceof IDbNode)
{
IDbNode node = (IDbNode) dbNode;
if (node.isConnected())
{
//node connected => disconnect
status = node.disconnect();
}
//node disconnected => remove the node from the tree
removeChild(node);
saveState(SaveStateManager.getInstance().getPrefNode());
}
return status;
}
/* (non-Javadoc)
* @see com.motorolamobility.studio.android.db.core.ui.IDbMapperNode#unmap(java.util.List)
*/
public IStatus unmap(List<ITreeNode> dbNodeList)
{
MultiStatus operationsStatus = null;
if (dbNodeList != null)
{
boolean hasError = false;
IStatus[] children = new IStatus[dbNodeList.size()];
int i = 0;
for (ITreeNode treeNode : dbNodeList)
{
IStatus operationStatus = unmap(treeNode);
if (!operationStatus.isOK())
{
hasError = true;
}
children[i] = operationStatus;
i++;
}
int code = hasError ? IStatus.ERROR : IStatus.OK;
String msg =
hasError ? DbCoreNLS.FilesystemRootNode_UnmappingList_Error
: DbCoreNLS.FilesystemRootNode_UnmappingList_Successful;
operationsStatus =
new MultiStatus(DbCoreActivator.PLUGIN_ID, code, children, msg, null);
if (operationsStatus.isOK())
{
saveState(SaveStateManager.getInstance().getPrefNode());
}
}
return operationsStatus;
}
/*
* (non-Javadoc)
* @see com.motorolamobility.studio.android.db.core.ui.ISaveStateTreeNode#saveState(org.eclipse.core.runtime.preferences.IEclipsePreferences)
*/
public void saveState(IEclipsePreferences preferences)
{
Preferences node = preferences.node(MEMENTO_KEY);
int i = 1;
List<ITreeNode> children = getChildren();
for (ITreeNode child : children)
{
DbNode dbNode = (DbNode) child;
node.put(MEMENTO_PATH_PREFIX + i, dbNode.getPath().toString());
i++;
}
try
{
preferences.flush();
}
catch (BackingStoreException e)
{
StudioLogger.debug(this, "Unable to save preferences, flush failed.");
}
}
/*
* (non-Javadoc)
* @see com.motorolamobility.studio.android.db.core.ui.ISaveStateTreeNode#restoreState(org.eclipse.core.runtime.preferences.IEclipsePreferences)
*/
public void restoreState(IEclipsePreferences preferences)
{
try
{
if (preferences.nodeExists(MEMENTO_KEY))
{
Preferences node = preferences.node(MEMENTO_KEY);
String[] attributeKeys = node.keys();
if (attributeKeys.length > 0)
{
for (String key : attributeKeys)
{
if (key.startsWith(MEMENTO_PATH_PREFIX))
{
String mappedPath = node.get(key, null);
if (mappedPath != null)
{
map(new Path(mappedPath));
}
}
}
}
}
}
catch (BackingStoreException e)
{
StudioLogger.debug(this, "Unable to restore preferences.");
}
}
}
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