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allow installing preferences into the resourceSet

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This commit is contained in:
Stefan Oehme 2015-07-10 15:46:10 +02:00
parent 0b32cc48cb
commit e5997b4fea
2 changed files with 46 additions and 1 deletions
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24
plugins/org.eclipse.xtext/src/org/eclipse/xtext/preferences/IPreferenceValuesProvider.java
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@ -10,16 +10,18 @@ package org.eclipse.xtext.preferences;
import java.util.LinkedHashMap;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.xtext.LanguageInfo;
import com.google.common.collect.Maps;
import com.google.inject.ImplementedBy;
import com.google.inject.Inject;
import com.google.inject.Singleton;
/**
* @author Sven Efftinge - Initial contribution and API
* @author Moritz Eysholdt
*/
@ImplementedBy(IPreferenceValuesProvider.SimplePreferenceValuesProvider.class)
@ImplementedBy(IPreferenceValuesProvider.DefaultPreferenceValuesProvider.class)
public interface IPreferenceValuesProvider {
IPreferenceValues getPreferenceValues(Resource context);
@ -30,6 +32,26 @@ public interface IPreferenceValuesProvider {
return new MapBasedPreferenceValues(new LinkedHashMap<String, String>());
}
}
public static class DefaultPreferenceValuesProvider implements IPreferenceValuesProvider {
@Inject private LanguageInfo language;
@Override
public IPreferenceValues getPreferenceValues(Resource context) {
PreferenceValuesByLanguage valuesByLanguage = PreferenceValuesByLanguage.findInEmfObject(context.getResourceSet());
if (valuesByLanguage == null)
return empty();
IPreferenceValues values = valuesByLanguage.get(language.getLanguageName());
if (values == null)
return empty();
return values;
}
private IPreferenceValues empty() {
return new MapBasedPreferenceValues(Maps.<String, String> newLinkedHashMap());
}
}
@Singleton
public class SingletonPreferenceValuesProvider implements IPreferenceValuesProvider {

23
plugins/org.eclipse.xtext/src/org/eclipse/xtext/preferences/PreferenceValuesByLanguage.xtend Normal file
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@ -0,0 +1,23 @@
/*******************************************************************************
* Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
* 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
*******************************************************************************/
package org.eclipse.xtext.preferences
import java.util.Map
import org.eclipse.xtext.util.internal.EmfAdaptable
@EmfAdaptable class PreferenceValuesByLanguage {
val Map<String, IPreferenceValues> preferencesByLanguage = newHashMap
def get(String languageId) {
preferencesByLanguage.get(languageId)
}
def put(String languageId, IPreferenceValues values) {
preferencesByLanguage.put(languageId, values)
}
}