| /*=============================================================================# |
| # Copyright (c) 2010, 2019 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.debug.core.model; |
| |
| import org.eclipse.debug.core.DebugException; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| import org.eclipse.statet.jcommons.status.ProgressMonitor; |
| import org.eclipse.statet.jcommons.status.StatusException; |
| |
| import org.eclipse.statet.r.core.data.CombinedRElement; |
| import org.eclipse.statet.r.core.data.RValueFormatter; |
| import org.eclipse.statet.rj.data.RLanguage; |
| import org.eclipse.statet.rj.data.RObject; |
| import org.eclipse.statet.rj.data.UnexpectedRDataException; |
| import org.eclipse.statet.rj.services.FQRObjectRef; |
| import org.eclipse.statet.rj.services.util.dataaccess.LazyRStore; |
| import org.eclipse.statet.rj.services.util.dataaccess.LazyRStore.Fragment; |
| import org.eclipse.statet.rj.ts.core.RToolService; |
| |
| |
| @NonNullByDefault |
| public class RLanguageValue extends RElementVariableValue<CombinedRElement> { |
| |
| |
| private static final RObjectAdapter<RLanguage> ADAPTER= new RObjectAdapter<>(RObject.TYPE_LANGUAGE); |
| |
| static void appendValue(final RValueFormatter valueFormatter, final RLanguage rObject) { |
| if (rObject.getLanguageType() == RLanguage.NAME) { |
| valueFormatter.appendName(rObject.getSource(), false); |
| } |
| else { |
| valueFormatter.appendSourceLine(rObject.getSource(), 200); |
| } |
| } |
| |
| |
| private @Nullable LazyRStore<RLanguage> detailObjectStore; |
| |
| |
| public RLanguageValue(final RElementVariable variable) { |
| super(variable); |
| } |
| |
| |
| public final RLanguage getRObject() { |
| return (RLanguage) this.element; |
| } |
| |
| |
| @Override |
| public String getValueString() throws DebugException { |
| final LazyRStore.Fragment<RLanguage> fragment; |
| synchronized (this) { |
| fragment= getDetailObjectFragment(); |
| if (fragment == null || fragment.getRObject() == null) { |
| // throw newRequestLoadDataFailed(); |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| final RLanguage rObject= fragment.getRObject(); |
| if (rObject.getSource() != null) { |
| final RValueFormatter valueFormatter= getDebugTarget().getValueFormatter(); |
| synchronized (valueFormatter) { |
| valueFormatter.clear(); |
| appendValue(valueFormatter, rObject); |
| return valueFormatter.getString(); |
| } |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getDetailString() { |
| final LazyRStore.Fragment<RLanguage> fragment; |
| synchronized (this) { |
| fragment= getDetailObjectFragment(); |
| if (fragment == null || fragment.getRObject() == null) { |
| return "<error>"; //$NON-NLS-1$ |
| } |
| } |
| |
| final RLanguage rObject= fragment.getRObject(); |
| if (rObject.getSource() != null) { |
| return rObject.getSource(); |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| |
| |
| void setDataObject(final RLanguage rObject) { |
| ensureDetailObjectStore().setFragment(0, 0, rObject); |
| } |
| |
| private LazyRStore<RLanguage> ensureDetailObjectStore() { |
| if (this.detailObjectStore == null) { |
| this.detailObjectStore= new LazyRStore<>(1, 1, 1, |
| new RDataLoader<RLanguage>() { |
| @Override |
| protected RLanguage doLoad(final FQRObjectRef ref, |
| final Fragment<RLanguage> fragment, |
| final RToolService r, final ProgressMonitor m) throws StatusException, UnexpectedRDataException { |
| return ADAPTER.loadObject(ref, getRObject(), fragment, r, m); |
| } |
| }); |
| } |
| return this.detailObjectStore; |
| } |
| |
| private @Nullable Fragment<RLanguage> getDetailObjectFragment() { |
| return ensureDetailObjectStore().getFragment(0, 0, 0, null); |
| } |
| |
| } |