DeleteReferenceAction_Action.java

package jetbrains.mps.ide.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 javax.swing.tree.TreeNode;
import jetbrains.mps.internal.collections.runtime.MapSequence;
import jetbrains.mps.ide.ui.smodel.ReferenceTreeNode;
import jetbrains.mps.ide.ui.smodel.ReferencesTreeNode;
import org.jetbrains.annotations.NotNull;

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

  public DeleteReferenceAction_Action() {
    super("Delete", "", ICON);
    this.setIsAlwaysVisible(false);
    this.setExecuteOutsideCommand(false);
  }
  @Override
  public boolean isDumbAware() {
    return true;
  }
  @Override
  public boolean isApplicable(AnActionEvent event, final Map<String, Object> _params) {
    if (!(((TreeNode) MapSequence.fromMap(_params).get("node")) instanceof ReferenceTreeNode)) {
      return false;
    }
    TreeNode parent = ((TreeNode) MapSequence.fromMap(_params).get("node")).getParent();
    return parent instanceof ReferencesTreeNode;
  }
  @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;
    }
    {
      TreeNode p = event.getData(MPSCommonDataKeys.TREE_NODE);
      MapSequence.fromMap(_params).put("node", p);
      if (p == null) {
        return false;
      }
    }
    return true;
  }
  @Override
  public void doExecute(@NotNull final AnActionEvent event, final Map<String, Object> _params) {
    TreeNode parent = ((TreeNode) MapSequence.fromMap(_params).get("node")).getParent();
    ReferencesTreeNode refsNode = (ReferencesTreeNode) parent;
    ReferenceTreeNode refNode = (ReferenceTreeNode) ((TreeNode) MapSequence.fromMap(_params).get("node"));
    refsNode.getSNode().setReference(refNode.getRef().getRole(), null);
  }
}