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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.command;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import com.motorola.studio.android.common.utilities.EclipseUtils;
import com.motorolamobility.studio.android.db.core.i18n.DbCoreNLS;
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.ITreeNode;
public class UnmapDatabaseHandler extends AbstractHandler implements IHandler
{
private IDbMapperNode dbMapperNode;
public UnmapDatabaseHandler()
{
}
public UnmapDatabaseHandler(IDbMapperNode node)
{
this.dbMapperNode = node;
}
public Object execute(ExecutionEvent event) throws ExecutionException
{
List<ITreeNode> mappedDbNodes = dbMapperNode.getChildren();
List<ITreeNode> dbNodesToUnmap = null;
if (!mappedDbNodes.isEmpty())
{
dbNodesToUnmap = queryDbPath(mappedDbNodes);
}
IStatus status = dbMapperNode.unmap(dbNodesToUnmap);
if ((status.getCode() != IStatus.CANCEL) && !status.isOK())
{
EclipseUtils.showErrorDialog(DbCoreNLS.UnmapDatabaseHandler_Error_Title,
DbCoreNLS.UnmapDatabaseHandler_Error_Description, status);
}
return null;
}
@SuppressWarnings(
{
"unchecked", "rawtypes"
})
private List<ITreeNode> queryDbPath(List<ITreeNode> mappedDbNodes)
{
Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
ElementListSelectionDialog listDialog =
new ElementListSelectionDialog(shell, new LabelProvider()
{
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
*/
@Override
public String getText(Object element)
{
if (element instanceof IDbNode)
{
IDbNode dbNode = (IDbNode) element;
return dbNode.getName();
}
return super.getText(element);
}
});
listDialog.setElements(mappedDbNodes.toArray());
listDialog.setTitle(DbCoreNLS.UI_UnmapDatabaseAction_Title);
listDialog.setBlockOnOpen(true);
listDialog.setMultipleSelection(true);
listDialog.open();
Object[] result = listDialog.getResult();
List asList = Arrays.asList(result);
List<ITreeNode> checkedList = Collections.checkedList(asList, ITreeNode.class);
return checkedList;
}
}
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