/*
* 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.common.widgets;
import java.io.File;
import org.apache.directory.studio.connection.ui.widgets.BaseWidgetUtils;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonActivator;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.FileDialog;
/**
* The FileBrowserWidget provides a combo with a history of recently
* used files an a browse button to open the file browser.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class FileBrowserWidget extends BrowserWidget
{
/** The Constant TYPE_OPEN is used to create a Open file dialog. */
public static final int TYPE_OPEN = SWT.OPEN;
/** The Constant TYPE_SAVE is used to create a Save file dialog. */
public static final int TYPE_SAVE = SWT.SAVE;
/** The combo with the history of recently used files */
private Combo fileCombo;
/** The button to launch the file browser */
private Button browseButton;
/** The title */
private String title;
/** File extensions used within the lauched file browser */
private String[] extensions;
/** The type */
private int type;
/**
* Creates a new instance of FileBrowserWidget.
*
* @param title The title
* @param extensions The valid file extensions
* @param type The type, one of {@link #TYPE_OPEN} or {@link #TYPE_SAVE}
*/
public FileBrowserWidget( String title, String[] extensions, int type )
{
this.title = title;
this.extensions = extensions;
this.type = type;
}
/**
* Creates the widget.
*
* @param parent the parent
*/
public void createWidget( final Composite parent )
{
// Combo
fileCombo = BaseWidgetUtils.createCombo( parent, new String[0], -1, 1 );
fileCombo.addModifyListener( new ModifyListener()
{
public void modifyText( ModifyEvent e )
{
notifyListeners();
}
} );
// Button
browseButton = BaseWidgetUtils.createButton( parent, Messages.getString( "FileBrowserWidget.BrowseButton" ), 1 ); //$NON-NLS-1$
browseButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent event )
{
FileDialog fileDialog = new FileDialog( parent.getShell(), type );
fileDialog.setText( title );
fileDialog.setFilterExtensions( extensions );
File file = new File( fileCombo.getText() );
if ( file.isFile() )
{
fileDialog.setFilterPath( file.getParent() );
fileDialog.setFileName( file.getName() );
}
else if ( file.isDirectory() )
{
fileDialog.setFilterPath( file.getPath() );
}
else
{
fileDialog.setFilterPath( BrowserCommonActivator.getDefault().getDialogSettings().get(
BrowserCommonConstants.DIALOGSETTING_KEY_RECENT_FILE_PATH ) );
}
String returnedFileName = fileDialog.open();
if ( returnedFileName != null )
{
fileCombo.setText( returnedFileName );
File file2 = new File( returnedFileName );
BrowserCommonActivator.getDefault().getDialogSettings().put(
BrowserCommonConstants.DIALOGSETTING_KEY_RECENT_FILE_PATH, file2.getParent() );
}
}
} );
// file history
String[] history = HistoryUtils.load( BrowserCommonConstants.DIALOGSETTING_KEY_FILE_HISTORY );
fileCombo.setItems( history );
}
/**
* Gets the filename.
*
* @return the filename
*/
public String getFilename()
{
return fileCombo.getText();
}
/**
* Sets the filename.
*
* @param filename the filename
*/
public void setFilename( String filename )
{
fileCombo.setText( filename );
}
/**
* Saves dialog settings.
*/
public void saveDialogSettings()
{
HistoryUtils.save( BrowserCommonConstants.DIALOGSETTING_KEY_FILE_HISTORY, fileCombo.getText() );
}
/**
* Sets the focus.
*/
public void setFocus()
{
fileCombo.setFocus();
}
/**
* Enables or disables the widget.
*
* @param b true to enable the widget, false otherwise
*/
public void setEnabled( boolean b )
{
fileCombo.setEnabled( b );
browseButton.setEnabled( b );
}
}