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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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.nattable.nattableconfiguration;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IContributor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
import org.eclipse.papyrus.infra.nattable.Activator;
import org.eclipse.papyrus.infra.nattable.messages.Messages;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableconfiguration.TableConfiguration;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattabletester.AbstractTableTester;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattabletester.JavaTableTester;
import org.eclipse.papyrus.infra.nattable.tester.ITableTester;
import org.eclipse.papyrus.infra.nattable.tester.TableTesterRegistry;
public class NattableConfigurationRegistry {
public static final String EXTENSION_ID = "org.eclipse.papyrus.infra.nattable.configuration"; //$NON-NLS-1$
public static final String FILE_ATTRIBUTE = "file"; //$NON-NLS-1$
/**
* the table configuration identified by the type of the table
*/
private Map<String, TableConfiguration> configsURI;
private ResourceSet resourceSet;
public static final NattableConfigurationRegistry INSTANCE = new NattableConfigurationRegistry();
private NattableConfigurationRegistry() {
//to prevent instantiation
initFields();
}
/**
*
* @return
* the list of the known table configuration
*/
public Collection<TableConfiguration> getTableConfigurations() {
return configsURI.values();
}
/**
*
*
* @param newTableConfiguration
* @return
*/
public void registerTableConfiguration(final TableConfiguration newTableConfiguration) {
configsURI.put(newTableConfiguration.getType(), newTableConfiguration);
}
/**
*
* @param tableType
* the type of the table
* @return
* the URI of the configuration to use for this table or <code>null</code> if not found
*/
public URI getConfigurationURI(final String tableType) {
return this.configsURI.get(tableType).eResource().getURI();
}
/**
* inits the fields of the class
*/
private void initFields() {
if(this.configsURI == null) {
this.configsURI = new HashMap<String, TableConfiguration>();
final IConfigurationElement[] configElements = Platform.getExtensionRegistry().getConfigurationElementsFor(EXTENSION_ID);
this.resourceSet = new ResourceSetImpl();
for(final IConfigurationElement iConfigurationElement : configElements) {
Object file = iConfigurationElement.getAttribute(FILE_ATTRIBUTE);
IContributor contributor = iConfigurationElement.getContributor();
//we build the uri for the file
URI uri = URI.createPlatformPluginURI(contributor.getName() + "/" + file.toString(), true);//$NON-NLS-1$ //FIXME : maybe a best way?
Resource res = this.resourceSet.getResource(uri, true);
if(res.getContents().size() > 0) {
EObject first = res.getContents().get(0);
if(first instanceof TableConfiguration) {
String type = ((TableConfiguration)first).getType();
if(type != null) {
if(!this.configsURI.containsKey(type)) {
this.configsURI.put(type, (TableConfiguration)first);
} else {
Activator.log.warn(String.format(Messages.NattableConfigurationRegistry_SeveralConfigurationsWithTheSameType, type));
}
} else {
Activator.log.warn(String.format(Messages.NattableConfigurationRegistry_NoTypeForAConfiguration, uri));
}
} else {
Activator.log.warn(String.format(Messages.NattableConfigurationRegistry_TableConfigurationNotFound, uri));
}
} else {
Activator.log.warn(String.format(Messages.NattableConfigurationRegistry_ResourceEmpty, uri));
}
}
}
}
/**
*
* @param tableType
* the table type to create
* @param tableContext
* the table context
* @return
* a status {@link IStatus#OK} when wa can create the table or {@link IStatus#ERROR} if not
*/
public IStatus canCreateTable(final String tableType, final Object tableContext) {
TableConfiguration config = this.configsURI.get(tableType);
if(config != null) {
AbstractTableTester tester = config.getCreationTester();
if(tester instanceof JavaTableTester) {
final String testerId = ((JavaTableTester)tester).getTester();
final ITableTester myTester = TableTesterRegistry.INSTANCE.getTableTester(testerId);
if(myTester != null) {
return myTester.isAllowed(tableContext);
} else {
new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.NattableConfigurationRegistry_TesterNotFound);
}
} else if(tester == null) {
return new Status(IStatus.OK, Activator.PLUGIN_ID, Messages.NattableConfigurationRegistry_NoTesterForThisConfiguration);
} else {
new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.NattableConfigurationRegistry_TesterNotManager);
}
}
return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.NattableConfigurationRegistry_ConfigurationNotFound);
}
}
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