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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.emf.appearance.helper;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.papyrus.infra.emf.appearance.Activator;
import org.eclipse.papyrus.infra.emf.appearance.style.AnnotationStyleProvider;
import org.eclipse.papyrus.infra.emf.appearance.style.AppearanceStyleProvider;
public class AppearanceHelper {
public static String EXTENSION_ID = Activator.PLUGIN_ID + ".styleProvider";
public static boolean showElementIcon(EModelElement modelElement) {
return styleProvider.showElementIcon(modelElement);
}
public static int getQualifiedNameDepth(EModelElement modelElement) {
return styleProvider.getQualifiedNameDepth(modelElement);
}
public static boolean showShadow(EModelElement modelElement) {
return styleProvider.showShadow(modelElement);
}
private static AppearanceStyleProvider findStyleProvider() {
//Default style provider
AppearanceStyleProvider provider = new AnnotationStyleProvider();
IConfigurationElement[] config = Platform.getExtensionRegistry().getConfigurationElementsFor(EXTENSION_ID);
int currentPriority = Integer.MAX_VALUE;
for(IConfigurationElement e : config) {
try {
int priority = Integer.parseInt(e.getAttribute("priority")); //$NON-NLS-1$
if(priority < currentPriority) {
provider = (AppearanceStyleProvider)e.createExecutableExtension("styleProvider"); //$NON-NLS-1$
currentPriority = priority;
}
} catch (Exception ex) {
Activator.log.error("The plugin " + e.getContributor() + " contributed an invalid extension for " + EXTENSION_ID, ex); //$NON-NLS-1$//$NON-NLS-2$
}
}
return provider;
}
private static AppearanceStyleProvider styleProvider = findStyleProvider();
}
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