/******************************************************************************
* 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
* Ling Hao - [329102] excess scroll space in editor sections
******************************************************************************/
package org.eclipse.sapphire.ui.forms;
import static org.eclipse.sapphire.modeling.util.MiscUtil.readTextResource;
import org.eclipse.sapphire.modeling.el.ConcatFunction;
import org.eclipse.sapphire.modeling.el.Function;
import org.eclipse.sapphire.modeling.el.FunctionResult;
import org.eclipse.sapphire.ui.SapphirePart;
import org.eclipse.sapphire.ui.def.HtmlContentSourceType;
import org.eclipse.sapphire.ui.forms.swt.FormComponentPresentation;
import org.eclipse.sapphire.ui.forms.swt.SwtPresentation;
import org.eclipse.sapphire.ui.forms.swt.internal.HtmlPanelPresentation;
import org.eclipse.swt.widgets.Composite;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class HtmlPanelPart extends FormComponentPart
{
private static final String FRAGMENT_STYLE = readTextResource( HtmlPanelPart.class, "FragmentStyle.css" );
private static final String FRAGMENT_HEADER = "<html><head><style>" + FRAGMENT_STYLE + "</style></head><body>";
private static final String FRAGMENT_FOOTER = "</body></html>";
private HtmlPanelDef def;
private FunctionResult contentFunctionResult;
private FunctionResult urlFunctionResult;
@Override
protected void init()
{
super.init();
this.def = (HtmlPanelDef) this.definition;
if( this.def.getContentSourceType().content() == HtmlContentSourceType.EMBEDDED )
{
Function contentFunction = this.def.getContent().content();
if( this.def.getFragment().content() == true )
{
contentFunction = ConcatFunction.create( FRAGMENT_HEADER, contentFunction );
contentFunction = ConcatFunction.create( contentFunction, FRAGMENT_FOOTER );
}
this.contentFunctionResult = initExpression
(
contentFunction,
String.class,
null,
new Runnable()
{
public void run()
{
broadcast( new ContentEvent( HtmlPanelPart.this ) );
}
}
);
}
else
{
this.urlFunctionResult = initExpression
(
this.def.getContentUrl().content(),
String.class,
null,
new Runnable()
{
public void run()
{
broadcast( new ContentEvent( HtmlPanelPart.this ) );
}
}
);
}
}
@Override
public HtmlPanelDef definition()
{
return (HtmlPanelDef) super.definition();
}
public String content()
{
if( this.contentFunctionResult == null )
{
return null;
}
return (String) this.contentFunctionResult.value();
}
public String url()
{
if( this.urlFunctionResult == null )
{
return null;
}
return (String) this.urlFunctionResult.value();
}
@Override
public void dispose()
{
super.dispose();
if( this.contentFunctionResult != null )
{
this.contentFunctionResult.dispose();
}
if( this.urlFunctionResult != null )
{
this.urlFunctionResult.dispose();
}
}
@Override
public FormComponentPresentation createPresentation( final SwtPresentation parent, final Composite composite )
{
return new HtmlPanelPresentation( this, parent, composite );
}
public static final class ContentEvent extends PartEvent
{
public ContentEvent( final SapphirePart part )
{
super( part );
}
}
}