CellAction_DeleteSmart.java

package jetbrains.mps.editor.runtime.impl.cellActions;

/*Generated by MPS */

import jetbrains.mps.editor.runtime.cells.AbstractCellAction;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.language.SContainmentLink;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
import org.jetbrains.annotations.Nullable;
import jetbrains.mps.smodel.adapter.MetaAdapterByDeclaration;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SNodeOperations;
import jetbrains.mps.openapi.editor.EditorContext;
import jetbrains.mps.openapi.editor.cells.EditorCell;
import jetbrains.mps.editor.runtime.cells.ReadOnlyUtil;
import jetbrains.mps.smodel.SModelUtil_new;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SLinkOperations;
import jetbrains.mps.smodel.adapter.structure.MetaAdapterFactory;
import jetbrains.mps.smodel.legacy.ConceptMetaInfoConverter;

public class CellAction_DeleteSmart extends AbstractCellAction {
  private SNode myLegacyLink;
  private String myLegacyRole;

  @NotNull
  private SNode mySource;
  @NotNull
  private SNode myTarget;
  private boolean myCanBeNull = true;
  private boolean myEnabled = true;

  private SContainmentLink myLink;

  private SAbstractConcept myLinkTargetConcept;
  public CellAction_DeleteSmart(SNode source, SContainmentLink link, SNode target) {
    this(source, link, target, null);
  }
  public CellAction_DeleteSmart(@NotNull SNode source, @NotNull SContainmentLink link, @NotNull SNode target, @Nullable SAbstractConcept specificTargetConcept) {
    mySource = source;
    myLink = link;
    myTarget = target;
    if (specificTargetConcept != null) {
      myLinkTargetConcept = MetaAdapterByDeclaration.asInstanceConcept(specificTargetConcept);
    } else {
      myLinkTargetConcept = MetaAdapterByDeclaration.asInstanceConcept(myLink.getTargetConcept());
    }
    myCanBeNull = link.isOptional();

    myLegacyRole = null;
    myLegacyLink = null;

    if (myCanBeNull) {
      return;
    }
    myEnabled = !(link.isMultiple()) && neq_89lc4r_a0a0k0m(SNodeOperations.getConcept(myTarget), myLinkTargetConcept);
  }

  @Override
  public boolean canExecute(EditorContext context) {
    if (!(myEnabled)) {
      return false;
    }
    EditorCell myTargetCell = context.getEditorComponent().findNodeCell(myTarget);
    return !(ReadOnlyUtil.isCellOrSelectionReadOnlyInEditor(context.getEditorComponent(), myTargetCell));
  }
  @Override
  public void execute(EditorContext context) {
    SNodeOperations.deleteNode(myTarget);
    if (!(myCanBeNull)) {
      if (myLegacyLink != null) {
        // old way 
        SNode defaultTarget = SModelUtil_new.instantiateConceptDeclaration(SLinkOperations.getTarget(myLegacyLink, MetaAdapterFactory.getReferenceLink(0xc72da2b97cce4447L, 0x8389f407dc1158b7L, 0xf979bd086aL, 0xf98055fef0L, "target")), SNodeOperations.getModel(mySource), true);
        SLinkOperations.setTarget(mySource, ((ConceptMetaInfoConverter) mySource.getConcept()).convertAggregation(myLegacyRole), defaultTarget);
      } else {
        // new way 
        assert myLink != null;
        SNode defaultTarget = SModelUtil_new.instantiateConceptDeclaration(myLinkTargetConcept, SNodeOperations.getModel(mySource), null, true);
        SLinkOperations.setTarget(mySource, myLink, defaultTarget);
      }
    }
  }
  private static boolean neq_89lc4r_a0a0k0m(Object a, Object b) {
    return !(((a != null ? a.equals(b) : a == b)));
  }
}