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/*****************************************************************************
* Copyright (c) 2013 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:
* Remi Schnekenburger (CEA LIST) - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.extendedtypes;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Platform;
import org.eclipse.gmf.runtime.emf.type.core.ElementTypeRegistry;
import org.eclipse.gmf.runtime.emf.type.core.IContainerDescriptor;
import org.eclipse.gmf.runtime.emf.type.core.IElementMatcher;
import org.eclipse.gmf.runtime.emf.type.core.IElementType;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.IEditHelperAdvice;
import org.eclipse.papyrus.infra.extendedtypes.ElementTypeConfiguration;
import org.eclipse.papyrus.infra.extendedtypes.IconEntry;
import org.eclipse.papyrus.infra.extendedtypes.types.ExtendedHintedElementType;
import org.eclipse.papyrus.infra.extendedtypes.types.IExtendedHintedElementType;
import org.osgi.framework.Bundle;
/**
* Factory to create element type from its {@link ElementTypeConfiguration}
*/
public abstract class AbstractConfigurableElementTypeFactory<T extends ElementTypeConfiguration> implements IExtendedElementTypeFactory<T> {
/**
* {@inheritDoc}
*/
public IExtendedHintedElementType createElementType(T configuration) {
String id = configuration.getIdentifier();
// display name of the element Type (used mainly in GUIs)
String displayName = configuration.getName();
// Specialized element types
List<IElementType> specializedTypes = new ArrayList<IElementType>(configuration.getSpecializedTypesID().size());
for(String specializedTypeId : configuration.getSpecializedTypesID()) {
IElementType specializedType = ElementTypeRegistry.getInstance().getType(specializedTypeId);
specializedTypes.add(specializedType);
}
IElementType[] elementTypes = specializedTypes.toArray(new IElementType[]{});
// icon associated to the element Type (GUI)
IconEntry entry = configuration.getIconEntry();
URL iconURL = null;
if(entry != null) {
iconURL = getURLFromEntry(entry);
}
IExtendedHintedElementType type = new ExtendedHintedElementType(id, iconURL, displayName, elementTypes, createElementMatcher(configuration), createContainerDescriptor(configuration), createEditHelperAdvice(configuration), getSemanticHint(configuration), createElementCreationValidator(configuration));
return type;
}
/**
* Returns the semantic hint for the element type from the given configuration
*/
protected String getSemanticHint(T configuration) {
return configuration.getHint();
}
/**
* @param configuration
* @return
*/
protected abstract IEditHelperAdvice createEditHelperAdvice(T configuration);
/**
* @param configuration
* @return
*/
protected abstract IContainerDescriptor createContainerDescriptor(T configuration);
/**
* Creates the element matcher for the given configuration
* @param configuration the configuration from which element matcher should be created
* @return the new element matcher for the created element type
*/
protected IElementMatcher createElementMatcher(T configuration) {
MatcherConfiguration matcherConfiguration = configuration.getMatcherConfiguration();
if(matcherConfiguration==null) {
return null;
}
// create matcher from the configuration
IElementMatcher matcher = ConfigurableElementMatcherFactoryRegistry.getInstance().createElementMatcher(matcherConfiguration);
return matcher;
}
/**
* {@inheritDoc}
*/
public abstract ICreationElementValidator createElementCreationValidator(T configuration) ;
/**
* @param entry
* @return
*/
protected URL getURLFromEntry(IconEntry entry) {
Bundle bundle = Platform.getBundle(entry.getBundleId());
if(bundle == null) {
return null;
}
URL result = bundle.getEntry(entry.getIconPath());
if(result == null) {
try {
result = new URL(entry.getIconPath());
} catch (MalformedURLException e) {
result = null;
}
}
return result;
}
}
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