NodeFileStatusProvider.java

package jetbrains.mps.vcs.changesmanager;

/*Generated by MPS */

import com.intellij.openapi.vcs.impl.FileStatusProvider;
import jetbrains.mps.project.MPSProject;
import org.jetbrains.annotations.NotNull;
import com.intellij.openapi.vcs.FileStatus;
import com.intellij.openapi.vfs.VirtualFile;
import jetbrains.mps.nodefs.MPSNodeVirtualFile;
import jetbrains.mps.ide.ThreadUtils;
import jetbrains.mps.smodel.ModelAccessHelper;
import jetbrains.mps.util.Computable;
import org.jetbrains.mps.openapi.model.SNode;
import jetbrains.mps.ide.editor.MPSEditorUtil;
import org.jetbrains.mps.openapi.model.SNodeUtil;
import com.intellij.openapi.editor.Document;
import com.intellij.util.ThreeState;

public class NodeFileStatusProvider implements FileStatusProvider {
  private MPSProject myProject;
  private NodeFileStatusMapping myMapping;
  public NodeFileStatusProvider(@NotNull MPSProject project, @NotNull NodeFileStatusMapping mapping) {
    myProject = project;
    myMapping = mapping;
  }
  @Override
  public FileStatus getFileStatus(VirtualFile file) {
    if (!(file instanceof MPSNodeVirtualFile)) {
      return null;
    }
    if (!(ThreadUtils.isInEDT())) {
      return FileStatus.NOT_CHANGED;
    }

    final MPSNodeVirtualFile nodeFile = (MPSNodeVirtualFile) file;

    return new ModelAccessHelper(myProject.getModelAccess()).runReadAction(new Computable<FileStatus>() {
      public FileStatus compute() {
        SNode root = MPSEditorUtil.getCurrentEditedNode(myProject.getProject(), nodeFile);
        if (root == null) {
          root = check_8p3pkg_a0a0b0a0a0a0f0d(nodeFile.getNode());
        }
        if (root == null || !(SNodeUtil.isAccessible(root, myProject.getRepository()))) {
          return null;
        }
        return myMapping.getStatus(root);
      }
    });
  }
  @Override
  public void refreshFileStatusFromDocument(VirtualFile file, Document document) {
  }
  @Override
  public ThreeState getNotChangedDirectoryParentingStatus(VirtualFile file) {
    return ThreeState.NO;
  }
  private static SNode check_8p3pkg_a0a0b0a0a0a0f0d(SNode checkedDotOperand) {
    if (null != checkedDotOperand) {
      return checkedDotOperand.getContainingRoot();
    }
    return null;
  }
}