DeleteGenerator_Action.java example

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package jetbrains.mps.ide.devkit.actions;

/*Generated by MPS */

import jetbrains.mps.workbench.action.BaseAction;
import javax.swing.Icon;
import com.intellij.openapi.actionSystem.AnActionEvent;
import java.util.Map;
import org.jetbrains.mps.openapi.module.SModule;
import jetbrains.mps.internal.collections.runtime.MapSequence;
import jetbrains.mps.smodel.Generator;
import org.jetbrains.annotations.NotNull;
import jetbrains.mps.project.MPSProject;
import jetbrains.mps.ide.actions.MPSCommonDataKeys;
import jetbrains.mps.workbench.dialogs.DeleteDialog;
import org.jetbrains.mps.openapi.module.ModelAccess;
import jetbrains.mps.ide.devkit.util.DeleteGeneratorHelper;
import jetbrains.mps.baseLanguage.closures.runtime.Wrappers;
import jetbrains.mps.util.IStatus;
import jetbrains.mps.util.Status;
import jetbrains.mps.module.ModuleDeleteHelper;
import java.util.Collections;
import com.intellij.openapi.ui.Messages;

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

  public DeleteGenerator_Action() {
    super("Delete Generator...", "", 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 ((SModule) MapSequence.fromMap(_params).get("module")) instanceof Generator;
  }
  @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;
    }
    {
      MPSProject p = event.getData(MPSCommonDataKeys.MPS_PROJECT);
      MapSequence.fromMap(_params).put("project", p);
      if (p == null) {
        return false;
      }
    }
    {
      SModule p = event.getData(MPSCommonDataKeys.MODULE);
      MapSequence.fromMap(_params).put("module", p);
      if (p == null) {
        return false;
      }
    }
    return true;
  }
  @Override
  public void doExecute(@NotNull final AnActionEvent event, final Map<String, Object> _params) {
    DeleteDialog.DeleteOption safeOption = new DeleteDialog.DeleteOption("Safe Delete", true, true);
    final DeleteDialog.DeleteOption filesOption = new DeleteDialog.DeleteOption("Delete Files", false, true);

    DeleteDialog dialog = new DeleteDialog(((MPSProject) MapSequence.fromMap(_params).get("project")), "Delete Generator", "<html>Are you sure you want to delete generator?<br>This operation is not undoable.</html>", safeOption, filesOption);
    dialog.show();
    if (!(dialog.isOK())) {
      return;
    }

    ModelAccess modelAccess = ((MPSProject) MapSequence.fromMap(_params).get("project")).getModelAccess();
    final Generator generator = ((Generator) ((SModule) MapSequence.fromMap(_params).get("module")));

    final DeleteGeneratorHelper butcher = new DeleteGeneratorHelper(((MPSProject) MapSequence.fromMap(_params).get("project")));
    butcher.safeDelete(safeOption.selected).deleteFiles(filesOption.selected);

    final Wrappers._T<IStatus> s = new Wrappers._T<IStatus>(new Status.ERROR("Can't execute safety check"));
    modelAccess.runReadAction(new Runnable() {
      public void run() {
        s.value = butcher.canDelete(generator);
      }
    });

    if (s.value.isOk()) {
      // While don't support undo no need for command here 
      modelAccess.runWriteAction(new Runnable() {
        public void run() {
          // Parameter safeDelete set to false, because safety has been already checked  
          // and DeleteModuleHelper currently not allow to do it. 
          new ModuleDeleteHelper(((MPSProject) MapSequence.fromMap(_params).get("project"))).deleteModules(Collections.singletonList(((SModule) MapSequence.fromMap(_params).get("module"))), false, filesOption.selected);
        }
      });
    } else {
      Messages.showErrorDialog(((MPSProject) MapSequence.fromMap(_params).get("project")).getProject(), s.value.getMessage(), "Deleting Generator");
    }
  }
}