/*
* 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.ldapbrowser.ui.views.searchlogs;
import java.io.File;
import org.apache.directory.studio.connection.core.ConnectionCorePlugin;
import org.apache.directory.studio.connection.core.io.jndi.LdifSearchLogger;
import org.apache.directory.studio.ldapbrowser.common.actions.BrowserAction;
import org.apache.directory.studio.ldapbrowser.ui.BrowserUIConstants;
import org.apache.directory.studio.ldapbrowser.ui.BrowserUIPlugin;
import org.eclipse.jface.resource.ImageDescriptor;
/**
* Action to switch to an older logfile.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class OlderAction extends BrowserAction
{
/** The search logs view. */
private SearchLogsView view;
/**
* Creates a new instance of OlderAction.
*
* @param view the search logs view
*/
public OlderAction( SearchLogsView view )
{
this.view = view;
}
/**
* {@inheritDoc}
*/
public void dispose()
{
super.dispose();
}
/**
* {@inheritDoc}
*/
public void run()
{
SearchLogsViewInput oldInput = ( SearchLogsViewInput ) getInput();
SearchLogsViewInput newInput = new SearchLogsViewInput( oldInput.getBrowserConnection(),
oldInput.getIndex() + 1 );
view.getUniversalListener().setInput( newInput );
view.getUniversalListener().scrollToNewest();
}
/**
* {@inheritDoc}
*/
public String getText()
{
return Messages.getString( "OlderAction.Older" ); //$NON-NLS-1$
}
/**
* {@inheritDoc}
*/
public ImageDescriptor getImageDescriptor()
{
return BrowserUIPlugin.getDefault().getImageDescriptor( BrowserUIConstants.IMG_PREVIOUS );
}
/**
* {@inheritDoc}
*/
public String getCommandId()
{
return null;
}
/**
* {@inheritDoc}
*/
public boolean isEnabled()
{
if ( getInput() != null && ( getInput() instanceof SearchLogsViewInput ) )
{
SearchLogsViewInput input = ( SearchLogsViewInput ) getInput();
if ( input.getBrowserConnection().getConnection() != null )
{
LdifSearchLogger searchLogger = ConnectionCorePlugin.getDefault().getLdifSearchLogger();
File[] files = searchLogger.getFiles( input.getBrowserConnection().getConnection() );
int i = input.getIndex() + 1;
if ( 0 <= i && i < files.length && files[i] != null && files[i].exists() && files[i].canRead() )
{
return true;
}
}
}
return false;
}
}