/******************************************************************************
* Copyright (c) 2016 Oracle and Liferay
* 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
* Ling Hao - [329114] rewrite context help binding feature
* Gregory Amerson - [342771] Support "image+label" hint for when actions are presented in a toolbar
******************************************************************************/
package org.eclipse.sapphire.ui.forms.swt.internal;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdfill;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhfill;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.gdhhint;
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.gdwhint;
import static org.eclipse.sapphire.ui.forms.swt.GridLayoutUtil.glayout;
import static org.eclipse.sapphire.ui.forms.swt.SwtUtil.reflowOnResize;
import org.eclipse.sapphire.Event;
import org.eclipse.sapphire.Listener;
import org.eclipse.sapphire.modeling.CapitalizationType;
import org.eclipse.sapphire.modeling.localization.LocalizationService;
import org.eclipse.sapphire.ui.SapphireActionGroup;
import org.eclipse.sapphire.ui.forms.FormComponentPart;
import org.eclipse.sapphire.ui.forms.SectionDef;
import org.eclipse.sapphire.ui.forms.SectionPart;
import org.eclipse.sapphire.ui.forms.SectionPart.DescriptionEvent;
import org.eclipse.sapphire.ui.forms.SectionPart.TitleEvent;
import org.eclipse.sapphire.ui.forms.swt.SapphireActionPresentationManager;
import org.eclipse.sapphire.ui.forms.swt.SapphireKeyboardActionPresentation;
import org.eclipse.sapphire.ui.forms.swt.SapphireToolBarActionPresentation;
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.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.ui.forms.events.ExpansionAdapter;
import org.eclipse.ui.forms.events.ExpansionEvent;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
* @author <a href="mailto:ling.hao@oracle.com">Ling Hao</a>
* @author <a href="mailto:gregory.amerson@liferay.com">Gregory Amerson</a>
*/
public final class SectionPresentation extends CompositePresentation
{
private SapphireActionPresentationManager actionPresentationManager;
private Section section;
private SapphireFormText descriptionFormText;
private Composite descriptionSpacer;
private Composite sectionContentOuterComposite;
private Composite sectionContentInnerComposite;
public SectionPresentation( final FormComponentPart part, final SwtPresentation parent, final Composite composite )
{
super( part, parent, composite );
}
@Override
public SectionPart part()
{
return (SectionPart) super.part();
}
@Override
protected Composite renderOuterComposite( final GridData gd )
{
final SectionPart part = part();
final SectionDef def = part.definition();
final FormToolkit toolkit = new FormToolkit( composite().getDisplay() );
final Composite outerComposite = new Composite( composite(), SWT.NONE );
outerComposite.setLayoutData( gdhspan( ( part().getScaleVertically() ? gdfill() : gdhfill() ), 2 ) );
outerComposite.setLayout( glayout( 1, 10, 10, 10, 20 ) );
register( outerComposite );
final boolean collapsible = def.getCollapsible().content();
final int style = Section.TITLE_BAR | ( collapsible ? Section.TWISTIE : SWT.NONE );
this.section = toolkit.createSection( outerComposite, style );
this.section.setLayoutData( gdfill() );
if( collapsible )
{
this.section.setExpanded( ! part.folded() );
this.section.addExpansionListener
(
new ExpansionAdapter()
{
public void expansionStateChanged( final ExpansionEvent event )
{
if( event.getState() == true )
{
part.unfold();
}
else
{
part.fold();
}
}
}
);
}
this.sectionContentOuterComposite = new Composite( this.section, SWT.NONE );
this.sectionContentOuterComposite.setLayout( glayout( 1, 0, 0 ) );
final Color bgcolor = resources().color( part.getBackgroundColor(), org.eclipse.sapphire.Color.WHITE );
this.sectionContentOuterComposite.setBackground( bgcolor );
this.sectionContentOuterComposite.setBackgroundMode( SWT.INHERIT_DEFAULT );
attachPartListener
(
new Listener()
{
@Override
public void handle( final Event event )
{
if( event instanceof TitleEvent )
{
refreshTitle();
}
else if( event instanceof DescriptionEvent )
{
refreshDescription();
}
}
}
);
refreshTitle();
refreshDescription();
this.sectionContentInnerComposite = new Composite( this.sectionContentOuterComposite, SWT.NONE );
this.sectionContentInnerComposite.setLayoutData( gdfill() );
this.sectionContentInnerComposite.setLayout( glayout( 2, 0, 0 ) );
final SapphireActionGroup actions = part.getActions();
this.actionPresentationManager = new SapphireActionPresentationManager( this, actions );
final SapphireToolBarActionPresentation toolBarActionsPresentation = new SapphireToolBarActionPresentation( actionPresentationManager );
final ToolBar toolbar = new ToolBar( this.section, SWT.FLAT | SWT.HORIZONTAL | SWT.RIGHT );
toolBarActionsPresentation.setToolBar( toolbar );
toolBarActionsPresentation.render();
this.section.setTextClient( toolbar );
final SapphireKeyboardActionPresentation keyboardActionsPresentation = new SapphireKeyboardActionPresentation( actionPresentationManager );
keyboardActionsPresentation.attach( toolbar );
keyboardActionsPresentation.render();
toolkit.paintBordersFor( this.section );
this.section.setClient( this.sectionContentOuterComposite );
return this.sectionContentInnerComposite;
}
private void refreshTitle()
{
String title = part().title();
if( title == null )
{
title = "#null#";
}
else
{
title = title.trim();
title = part().definition().adapt( LocalizationService.class ).transform( title, CapitalizationType.TITLE_STYLE, false );
}
this.section.setText( title.trim() );
}
private void refreshDescription()
{
String description = part().description();
if( description != null )
{
description = description.trim();
if( description.length() == 0 )
{
description = null;
}
}
if( description == null )
{
if( this.descriptionFormText != null )
{
this.descriptionFormText.dispose();
this.descriptionFormText = null;
this.descriptionSpacer.dispose();
this.descriptionSpacer = null;
}
}
else
{
if( this.descriptionFormText == null )
{
this.descriptionFormText = new SapphireFormText( this.sectionContentOuterComposite, SWT.NONE );
this.descriptionFormText.setLayoutData( gdhindent( gdwhint( gdhfill(), 100 ), 9 ) );
reflowOnResize( this.descriptionFormText );
this.descriptionSpacer = new Composite( this.sectionContentOuterComposite, SWT.NONE );
this.descriptionSpacer.setLayoutData( gdhhint( gdhfill(), 5 ) );
this.descriptionSpacer.setLayout( glayout( 1, 0, 0, 0, 0 ) );
if( this.sectionContentInnerComposite != null )
{
this.descriptionFormText.moveAbove( this.sectionContentInnerComposite );
this.descriptionSpacer.moveAbove( this.sectionContentInnerComposite );
}
}
description = description.replace( "<", "<" );
final StringBuilder buf = new StringBuilder();
buf.append( "<form><p vspace=\"false\">");
buf.append( description );
buf.append( "</p></form>" );
this.descriptionFormText.setText( buf.toString(), true, false );
}
this.sectionContentOuterComposite.layout();
}
@Override
public void dispose()
{
super.dispose();
if( this.actionPresentationManager != null )
{
this.actionPresentationManager.dispose();
this.actionPresentationManager = null;
}
this.section = null;
this.descriptionFormText = null;
this.descriptionSpacer = null;
this.sectionContentOuterComposite = null;
this.sectionContentInnerComposite = null;
}
}