/* | |
* 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 org.eclipse.core.commands.AbstractHandler; | |
import org.eclipse.core.commands.ExecutionEvent; | |
import org.eclipse.core.commands.ExecutionException; | |
import org.eclipse.core.commands.IHandler; | |
import com.motorolamobility.studio.android.db.core.DbCoreActivator; | |
import com.motorolamobility.studio.android.db.core.ui.ITableNode; | |
import com.motorolamobility.studio.android.db.core.ui.ITreeNode; | |
import com.motorolamobility.studio.android.db.core.ui.TableNode; | |
/** | |
* This class implements the command to browse a table content using an instance of {@link TableNode} object. | |
*/ | |
public class BrowseTableContentsHandler extends AbstractHandler implements IHandler | |
{ | |
private ITableNode tableNode = null; | |
public BrowseTableContentsHandler() | |
{ | |
} | |
public BrowseTableContentsHandler(ITableNode tableNode) | |
{ | |
this.tableNode = tableNode; | |
} | |
/* (non-Javadoc) | |
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) | |
*/ | |
public Object execute(ExecutionEvent event) throws ExecutionException | |
{ | |
if (tableNode == null) | |
{ | |
tableNode = getSelectedItem(); | |
} | |
if (tableNode != null) | |
{ | |
tableNode.browseTableContents(); | |
tableNode = null; //clear selected node to force getSelectedItem to be called when calling via toolbar | |
} | |
return null; | |
} | |
private ITableNode getSelectedItem() | |
{ | |
ITableNode selectedNode = null; | |
ITreeNode selectedItem = | |
DbCoreActivator.getMOTODEVDatabaseExplorerView().getSelectedItemOnTree(); | |
if (selectedItem instanceof ITableNode) | |
{ | |
selectedNode = (ITableNode) selectedItem; | |
} | |
return selectedNode; | |
} | |
} |