/*
* Copyright 2003-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.workbench.goTo.index;
import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.vfs.VirtualFile;
import jetbrains.mps.extapi.persistence.FileDataSource;
import jetbrains.mps.ide.MPSCoreComponents;
import jetbrains.mps.ide.vfs.IdeaFile;
import jetbrains.mps.ide.vfs.IdeaFileSystem;
import jetbrains.mps.ide.vfs.VirtualFileUtils;
import jetbrains.mps.project.MPSExtentions;
import jetbrains.mps.smodel.SNodeUtil;
import jetbrains.mps.smodel.language.ConceptRegistryUtil;
import jetbrains.mps.smodel.runtime.PropertyConstraintsDescriptor;
import jetbrains.mps.smodel.runtime.base.BasePropertyConstraintsDescriptor;
import jetbrains.mps.util.FileUtil;
import jetbrains.mps.vfs.FileSystemExtPoint;
import jetbrains.mps.vfs.IFile;
import jetbrains.mps.vfs.impl.IoFile;
import jetbrains.mps.vfs.impl.IoFileSystem;
import jetbrains.mps.workbench.index.RootNodeNameIndex;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.EditableSModel;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.persistence.DataSource;
import org.jetbrains.mps.openapi.persistence.NavigationParticipant;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
import org.jetbrains.mps.openapi.util.Consumer;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
/**
* A part of navigation providing system for .mps models working through .mps model index
*
* @see RootNodeNameIndex
*/
public class MPSModelNavigationContributor implements ApplicationComponent, NavigationParticipant {
private final Set<String> supportedExtensions = new HashSet<String>(Arrays.asList(MPSExtentions.MODEL, MPSExtentions.MODEL_BINARY));
private final PersistenceFacade myPersistenceFacade;
public MPSModelNavigationContributor(MPSCoreComponents coreComponents) {
myPersistenceFacade = coreComponents.getPersistenceFacade();
}
@Override
public void findTargets(TargetKind kind, Collection<SModel> scope, Consumer<NavigationTarget> consumer, Consumer<SModel> processedConsumer) {
for (SModel sm : scope) {
if (sm instanceof EditableSModel && ((EditableSModel) sm).isChanged()) {
continue;
}
DataSource source = sm.getSource();
if (!(source instanceof FileDataSource)) {
continue;
}
IFile modelFile = ((FileDataSource) source).getFile();
String ext = FileUtil.getExtension(modelFile.getName());
if (ext == null || modelFile.isDirectory() || !(supportedExtensions.contains(ext.toLowerCase()))) {
continue;
}
VirtualFile vf = VirtualFileUtils.getOrCreateVirtualFile(modelFile);
if (vf == null) {
continue; // e.g. model was deleted or we are in headless mode
}
Collection<NavigationTarget> descriptors = RootNodeNameIndex.getValues(vf);
if (descriptors.isEmpty()) {
continue;
}
boolean needToLoad = false;
for (NavigationTarget snd : descriptors) {
PropertyConstraintsDescriptor descriptor = ConceptRegistryUtil.getConstraintsDescriptor(snd.getConcept()).getProperty(SNodeUtil.property_INamedConcept_name);
if (descriptor instanceof BasePropertyConstraintsDescriptor && !((BasePropertyConstraintsDescriptor) descriptor).isGetterDefault()) {
needToLoad = true;
break;
}
}
if (!needToLoad) {
for (NavigationTarget desc : descriptors) {
consumer.consume(desc);
}
processedConsumer.consume(sm);
}
}
}
@Override
public void initComponent() {
myPersistenceFacade.addNavigationParticipant(this);
}
@Override
public void disposeComponent() {
myPersistenceFacade.removeNavigationParticipant(this);
}
@NotNull
@Override
public String getComponentName() {
return MPSModelNavigationContributor.class.getSimpleName();
}
}