/*=============================================================================#
 # Copyright (c) 2009, 2020 Stephan Wahlbrink and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
 # which is available at https://www.apache.org/licenses/LICENSE-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
 # 
 # Contributors:
 #     Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.internal.r.ui;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.statet.jcommons.lang.NonNullByDefault;

import org.eclipse.statet.ecommons.preferences.core.PreferenceAccess;
import org.eclipse.statet.ecommons.text.ISourceFragment;
import org.eclipse.statet.ecommons.text.core.sections.DocContentSections;

import org.eclipse.statet.ltk.core.Ltk;
import org.eclipse.statet.ltk.core.WorkingContext;
import org.eclipse.statet.ltk.model.core.element.SourceDocumentRunnable;
import org.eclipse.statet.ltk.model.core.impl.GenericFragmentSourceUnit2;
import org.eclipse.statet.r.core.RCodeStyleSettings;
import org.eclipse.statet.r.core.RCore;
import org.eclipse.statet.r.core.RCoreAccess;
import org.eclipse.statet.r.core.model.RModel;
import org.eclipse.statet.r.core.model.RSourceUnit;
import org.eclipse.statet.r.core.model.build.RSourceUnitModelContainer;
import org.eclipse.statet.r.core.source.RDocumentContentInfo;
import org.eclipse.statet.rj.renv.core.REnv;


@NonNullByDefault
public class RFragmentSourceUnit
		extends GenericFragmentSourceUnit2<RSourceUnitModelContainer>
		implements RSourceUnit, RCoreAccess {
	
	
	public RFragmentSourceUnit(final String id, final ISourceFragment fragment) {
		super(id, fragment);
	}
	
	@Override
	protected RSourceUnitModelContainer createModelContainer() {
		return new RSourceUnitModelContainer(this);
	}
	
	
	@Override
	public WorkingContext getWorkingContext() {
		return Ltk.EDITOR_CONTEXT;
	}
	
	@Override
	public String getModelTypeId() {
		return RModel.R_TYPE_ID;
	}
	
	@Override
	public DocContentSections getDocumentContentInfo() {
		return RDocumentContentInfo.INSTANCE;
	}
	
	@Override
	public int getElementType() {
		return R_OTHER_SU;
	}
	
	
	@Override
	protected void register() {
		super.register();
		RModel.getRModelManager().registerDependentUnit(this);
	}
	
	@Override
	protected void unregister() {
		super.unregister();
		RModel.getRModelManager().deregisterDependentUnit(this);
	}
	
	
	@Override
	public void syncExec(final SourceDocumentRunnable runnable) throws InvocationTargetException {
		runnable.run();
	}
	
	@Override
	public RCoreAccess getRCoreAccess() {
		return this;
	}
	
	@Override
	public PreferenceAccess getPrefs() {
		return RCore.WORKBENCH_ACCESS.getPrefs();
	}
	
	@Override
	public REnv getREnv() {
		final REnv rEnv= getFragment().getAdapter(REnv.class);
		if (rEnv != null) {
			return rEnv;
		}
		return RCore.getREnvManager().getDefault();
	}
	
	@Override
	public RCodeStyleSettings getRCodeStyle() {
		return RCore.WORKBENCH_ACCESS.getRCodeStyle();
	}
	
}