/******************************************************************************
* 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.internal;
import static org.eclipse.sapphire.modeling.util.MiscUtil.EMPTY_STRING;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gd;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhalign;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhfill;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhindent;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhspan;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdvalign;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.glayout;
import org.eclipse.sapphire.Event;
import org.eclipse.sapphire.ImageData;
import org.eclipse.sapphire.Listener;
import org.eclipse.sapphire.LocalizableText;
import org.eclipse.sapphire.Text;
import org.eclipse.sapphire.modeling.CapitalizationType;
import org.eclipse.sapphire.ui.SapphireActionGroup;
import org.eclipse.sapphire.ui.SapphireActionHandler;
import org.eclipse.sapphire.ui.SapphirePart.ImageChangedEvent;
import org.eclipse.sapphire.ui.SapphirePart.LabelChangedEvent;
import org.eclipse.sapphire.ui.def.HorizontalAlignment;
import org.eclipse.sapphire.ui.forms.ActuatorDef;
import org.eclipse.sapphire.ui.forms.ActuatorPart;
import org.eclipse.sapphire.ui.forms.ActuatorPart.EnablementChangedEvent;
import org.eclipse.sapphire.ui.forms.FormComponentPart;
import org.eclipse.sapphire.ui.forms.swt.SapphireActionPresentationManager;
import org.eclipse.sapphire.ui.forms.swt.SapphireKeyboardActionPresentation;
import org.eclipse.sapphire.ui.forms.swt.SwtPresentation;
import org.eclipse.sapphire.ui.forms.swt.internal.text.SapphireFormText;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.forms.events.HyperlinkAdapter;
import org.eclipse.ui.forms.events.HyperlinkEvent;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class ActuatorLinkPresentation extends ActuatorPresentation
{
@Text( "Actuator label not specified" )
private static LocalizableText labelNotSpecified;
static
{
LocalizableText.init( ActuatorLinkPresentation.class );
}
private SapphireActionPresentationManager actionPresentationManager;
public ActuatorLinkPresentation( final FormComponentPart part, final SwtPresentation parent, final Composite composite )
{
super( part, parent, composite );
}
@Override
public void render()
{
final ActuatorPart part = part();
final ActuatorDef def = part.definition();
final SapphireActionGroup actions = part.getActions();
this.actionPresentationManager = new SapphireActionPresentationManager( this, actions );
final SapphireKeyboardActionPresentation keyboardActionPresentation = new SapphireKeyboardActionPresentation( this.actionPresentationManager );
final HorizontalAlignment hAlign = def.getHorizontalAlignment().content();
final int hAlignCode = ( hAlign == HorizontalAlignment.LEFT ? SWT.LEFT : ( hAlign == HorizontalAlignment.RIGHT ? SWT.RIGHT : SWT.CENTER ) );
final int hSpan = ( def.getSpanBothColumns().content() ? 2 : 1 );
if( hSpan == 1 )
{
final Label spacer = new Label( composite(), SWT.NONE );
spacer.setLayoutData( gd() );
spacer.setText( EMPTY_STRING );
register( spacer );
}
final ImageData image = part.image( 16 );
final Composite composite = new Composite( composite(), SWT.NONE );
composite.setLayoutData( gdhalign( gdhindent( gdhspan( gd(), hSpan ), 8 ), hAlignCode ) );
composite.setLayout( glayout( ( image == null ? 1 : 2 ), 0, 0 ) );
register( composite );
final Label imageControl;
if( image != null )
{
imageControl = new Label( composite, SWT.NONE );
imageControl.setImage( resources().image( image ) );
imageControl.setLayoutData( gdvalign( gd(), SWT.CENTER ) );
imageControl.setEnabled( part.enabled() );
}
else
{
imageControl = null;
}
final SapphireFormText text = new SapphireFormText( composite, SWT.NONE );
text.setLayoutData( gdvalign( gdhfill(), SWT.CENTER ) );
keyboardActionPresentation.attach( text );
String label = part.label( CapitalizationType.FIRST_WORD_ONLY );
label = ( label == null ? labelNotSpecified.text() : label );
final StringBuilder buf = new StringBuilder();
buf.append( "<form><p vspace=\"false\"><a href=\"action\" nowrap=\"true\">" );
buf.append( label );
buf.append( "</a></p></form>" );
text.setText( buf.toString(), true, false );
text.addHyperlinkListener
(
new HyperlinkAdapter()
{
@Override
public void linkActivated( final HyperlinkEvent event )
{
final SapphireActionHandler handler = part.handler();
if( handler != null )
{
handler.execute( ActuatorLinkPresentation.this );
}
}
}
);
text.setEnabled( part.enabled() );
attachPartListener
(
new Listener()
{
@Override
public void handle( final Event event )
{
if( event instanceof EnablementChangedEvent )
{
final boolean enabled = part.enabled();
if( imageControl != null )
{
imageControl.setEnabled( enabled );
}
text.setEnabled( enabled );
}
else if( event instanceof LabelChangedEvent )
{
final StringBuilder buf = new StringBuilder();
buf.append( "<form><p vspace=\"false\"><a href=\"action\" nowrap=\"true\">" );
buf.append( part.label( CapitalizationType.FIRST_WORD_ONLY ) );
buf.append( "</a></p></form>" );
text.setText( buf.toString(), true, false );
composite.getParent().layout( true, true );
}
else if( event instanceof ImageChangedEvent )
{
if( imageControl != null )
{
imageControl.setImage( resources().image( part.image( 16 ) ) );
}
}
}
}
);
keyboardActionPresentation.render();
}
@Override
public void dispose()
{
super.dispose();
if( this.actionPresentationManager != null )
{
this.actionPresentationManager.dispose();
this.actionPresentationManager = null;
}
}
}