/******************************************************************************
* Copyright (c) 2014 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.ui.forms.swt;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.sapphire.ImageData;
import org.eclipse.sapphire.LocalizableText;
import org.eclipse.sapphire.Property;
import org.eclipse.sapphire.Text;
import org.eclipse.sapphire.Value;
import org.eclipse.sapphire.modeling.CapitalizationType;
import org.eclipse.sapphire.modeling.Path;
import org.eclipse.sapphire.services.FileExtensionsService;
import org.eclipse.sapphire.ui.Presentation;
import org.eclipse.sapphire.ui.SapphireAction;
import org.eclipse.sapphire.ui.def.ActionHandlerDef;
import org.eclipse.sapphire.ui.forms.BrowseActionHandler;
import org.eclipse.swt.widgets.FileDialog;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public class AbsoluteFilePathBrowseActionHandler extends BrowseActionHandler
{
public static final String ID = "Sapphire.Browse.File.Absolute";
public static final String PARAM_EXTENSIONS = "extensions";
@Text( "absolute &file path" )
private static LocalizableText label;
static
{
LocalizableText.init( AbsoluteFilePathBrowseActionHandler.class );
}
private FileExtensionsService fileExtensionService;
private List<String> staticFileExtensionsList;
@Override
public void init( final SapphireAction action,
final ActionHandlerDef def )
{
super.init( action, def );
setId( ID );
setLabel( label.text() );
addImage( ImageData.readFromClassLoader( AbsoluteFilePathBrowseActionHandler.class, "File.png" ).required() );
final String staticFileExtensions = def.getParam( PARAM_EXTENSIONS );
if( staticFileExtensions == null )
{
this.fileExtensionService = property().service( FileExtensionsService.class );
if( this.fileExtensionService == null )
{
this.staticFileExtensionsList = Collections.emptyList();
}
}
else
{
this.staticFileExtensionsList = new ArrayList<String>();
for( String extension : staticFileExtensions.split( "," ) )
{
extension = extension.trim();
if( extension.length() > 0 )
{
this.staticFileExtensionsList.add( extension );
}
}
}
}
@Override
protected String browse( final Presentation context )
{
final Property property = property();
final FileDialog dialog = new FileDialog( ( (FormComponentPresentation) context ).shell() );
dialog.setText( property.definition().getLabel( true, CapitalizationType.FIRST_WORD_ONLY, false ) );
final Value<?> value = (Value<?>) property;
final Path path = (Path) value.content();
if( path != null && path.segmentCount() > 1 )
{
dialog.setFilterPath( path.removeLastSegments( 1 ).toOSString() );
dialog.setFileName( path.lastSegment() );
}
final List<String> extensions;
if( this.fileExtensionService == null )
{
extensions = this.staticFileExtensionsList;
}
else
{
extensions = this.fileExtensionService.extensions();
}
if( ! extensions.isEmpty() )
{
final StringBuilder buf = new StringBuilder();
for( String extension : extensions )
{
if( buf.length() > 0 )
{
buf.append( ';' );
}
buf.append( "*." );
buf.append( extension );
}
dialog.setFilterExtensions( new String[] { buf.toString() } );
}
return dialog.open();
}
}