ShowNodeDifference_Action.java

package jetbrains.mps.vcs.plugin;

/*Generated by MPS */

import jetbrains.mps.workbench.action.BaseAction;
import javax.swing.Icon;
import com.intellij.openapi.actionSystem.AnActionEvent;
import java.util.Map;
import jetbrains.mps.ide.actions.MPSCommonDataKeys;
import org.jetbrains.annotations.NotNull;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import jetbrains.mps.project.MPSProject;
import java.util.List;
import org.jetbrains.mps.openapi.model.SNode;
import jetbrains.mps.vcs.diff.ui.StructDifferenceDialog;

public class ShowNodeDifference_Action extends BaseAction {
  private static final Icon ICON = null;

  public ShowNodeDifference_Action() {
    super("Compare Two Nodes", "Structure difference (node IDs ignored) between two nodes", ICON);
    this.setIsAlwaysVisible(false);
    this.setExecuteOutsideCommand(true);
  }
  @Override
  public boolean isDumbAware() {
    return true;
  }
  @Override
  public boolean isApplicable(AnActionEvent event, final Map<String, Object> _params) {
    return event.getData(MPSCommonDataKeys.NODES).size() == 2;
  }
  @Override
  public void doUpdate(@NotNull AnActionEvent event, final Map<String, Object> _params) {
    this.setEnabledState(event.getPresentation(), this.isApplicable(event, _params));
  }
  @Override
  protected boolean collectActionData(AnActionEvent event, final Map<String, Object> _params) {
    if (!(super.collectActionData(event, _params))) {
      return false;
    }
    {
      Project p = event.getData(CommonDataKeys.PROJECT);
      if (p == null) {
        return false;
      }
    }
    {
      MPSProject p = event.getData(MPSCommonDataKeys.MPS_PROJECT);
      if (p == null) {
        return false;
      }
    }
    {
      List<SNode> p = event.getData(MPSCommonDataKeys.NODES);
      if (p == null) {
        return false;
      }
    }
    return true;
  }
  @Override
  public void doExecute(@NotNull final AnActionEvent event, final Map<String, Object> _params) {
    event.getData(MPSCommonDataKeys.MPS_PROJECT).getRepository().getModelAccess().runReadAction(new Runnable() {
      public void run() {
        SNode n1 = event.getData(MPSCommonDataKeys.NODES).get(0);
        SNode n2 = event.getData(MPSCommonDataKeys.NODES).get(1);
        StructDifferenceDialog.showNodeDifference(event.getData(CommonDataKeys.PROJECT), n1, n2, n1.toString(), n2.toString());
      }
    });
  }
}