/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.directory.studio.connection.ui.actions;
import org.apache.directory.studio.connection.core.Connection;
import org.apache.directory.studio.connection.core.ConnectionCorePlugin;
import org.apache.directory.studio.connection.ui.dnd.ConnectionTransfer;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.texteditor.IWorkbenchActionDefinitionIds;
/**
* This class implements the Paste Action.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class PasteAction extends StudioAction
{
/**
* Creates a new instance of PasteAction.
*/
public PasteAction()
{
super();
}
/**
* {@inheritDoc}
*/
public String getText()
{
// connection
Connection[] connections = getConnectionsToPaste();
if ( connections != null )
{
return connections.length > 1 ? "Paste Connections" : "Paste Connection";
}
return "Paste";
}
/**
* {@inheritDoc}
*/
public ImageDescriptor getImageDescriptor()
{
return PlatformUI.getWorkbench().getSharedImages().getImageDescriptor( ISharedImages.IMG_TOOL_PASTE );
}
/**
* {@inheritDoc}
*/
public String getCommandId()
{
return IWorkbenchActionDefinitionIds.PASTE;
}
/**
* {@inheritDoc}
*/
public boolean isEnabled()
{
// connection
if ( getConnectionsToPaste() != null )
{
return true;
}
return false;
}
/**
* {@inheritDoc}
*/
public void run()
{
// connection
Connection[] connections = getConnectionsToPaste();
if ( connections != null )
{
for ( int i = 0; i < connections.length; i++ )
{
Connection newConnection = ( Connection ) connections[i].clone();
ConnectionCorePlugin.getDefault().getConnectionManager().addConnection( newConnection );
}
return;
}
}
/**
* Conditions: - a connection is selected - there are connections in
* clipboard
*
* @return the connections to paste
*/
private Connection[] getConnectionsToPaste()
{
if ( getSelectedConnections().length > 0 )
{
Object content = this.getFromClipboard( ConnectionTransfer.getInstance() );
if ( content != null && content instanceof Connection[] )
{
Connection[] connections = ( Connection[] ) content;
return connections;
}
}
return null;
}
/**
* Retrieve the data of the specified type currently available on the system clipboard.
*
* @param dataType
* the transfer agent for the type of data being requested
* @return
* the data obtained from the clipboard or null if no data of this type is available
*/
protected Object getFromClipboard( Transfer dataType )
{
Clipboard clipboard = null;
try
{
clipboard = new Clipboard( Display.getCurrent() );
return clipboard.getContents( dataType );
}
finally
{
if ( clipboard != null )
clipboard.dispose();
}
}
}