ShowInLogicalView.java

package jetbrains.mps.vcs.actions;

/*Generated by MPS */

import com.intellij.openapi.vcs.actions.AbstractVcsAction;
import com.intellij.openapi.vcs.actions.VcsContext;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import jetbrains.mps.ide.project.ProjectHelper;
import jetbrains.mps.openapi.navigation.ProjectPaneNavigator;
import jetbrains.mps.fileTypes.MPSFileTypesManager;
import org.jetbrains.mps.openapi.model.SModelReference;
import jetbrains.mps.smodel.ModelAccessHelper;
import jetbrains.mps.util.Computable;
import org.jetbrains.mps.openapi.model.SModel;
import jetbrains.mps.smodel.SModelFileTracker;
import jetbrains.mps.ide.vfs.VirtualFileUtils;
import org.jetbrains.mps.openapi.module.SModuleReference;
import org.jetbrains.mps.openapi.module.SModule;
import jetbrains.mps.smodel.ModuleFileTracker;
import com.intellij.openapi.actionSystem.Presentation;

public class ShowInLogicalView extends AbstractVcsAction {
  public ShowInLogicalView() {
  }

  @Override
  protected void actionPerformed(VcsContext e) {
    final Project project = e.getProject();
    final VirtualFile selectedFile = getSelectedFile(e);
    final jetbrains.mps.project.Project mpsProject = ProjectHelper.fromIdeaProject(project);
    if (selectedFile == null || mpsProject == null) {
      return;
    }
    ProjectPaneNavigator ppn = new ProjectPaneNavigator(mpsProject);
    if (MPSFileTypesManager.isModelFile(selectedFile)) {
      SModelReference model = new ModelAccessHelper(mpsProject.getModelAccess()).runReadAction(new Computable<SModelReference>() {
        @Override
        public SModelReference compute() {
          SModel m = SModelFileTracker.getInstance(mpsProject.getRepository()).findModel(VirtualFileUtils.toIFile(selectedFile));
          return (m == null ? null : m.getReference());
        }
      });
      if (model != null) {
        ppn.select(model);
      }
    } else
    if (MPSFileTypesManager.isModuleFile(selectedFile)) {
      // FIXME why on earth we obtain model access here? ProjectPaneSelectInTarget does the same without model access. 
      SModuleReference module = new ModelAccessHelper(mpsProject.getModelAccess()).runReadAction(new Computable<SModuleReference>() {
        @Override
        public SModuleReference compute() {
          SModule m = ModuleFileTracker.getInstance(mpsProject.getRepository()).getModuleByFile(VirtualFileUtils.toIFile(selectedFile));
          return (m == null ? null : m.getModuleReference());
        }
      });
      if (module != null) {
        // I have no idea why we focus module only, and do not focus on models, but it's the way it used to be for years 
        ppn.shallFocus(true);
        ppn.select(module);
      }
    }
  }

  private VirtualFile getSelectedFile(VcsContext e) {
    VirtualFile[] selectedFiles = e.getSelectedFiles();
    if (selectedFiles.length == 0) {
      return null;
    }
    return selectedFiles[0];
  }

  @Override
  protected void update(VcsContext vcsContext, Presentation presentation) {
    VirtualFile selectedFile = getSelectedFile(vcsContext);
    presentation.setEnabled(MPSFileTypesManager.isModelFile(selectedFile) || MPSFileTypesManager.isModuleFile(selectedFile));
  }
}