AttributeUtil.java

package jetbrains.mps.core.xml.actions;

/*Generated by MPS */

import jetbrains.mps.openapi.editor.EditorContext;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.List;
import java.util.ArrayList;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SLinkOperations;
import jetbrains.mps.smodel.adapter.structure.MetaAdapterFactory;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SNodeOperations;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SPropertyOperations;
import jetbrains.mps.internal.collections.runtime.ListSequence;

public class AttributeUtil {
  public AttributeUtil() {
  }
  public static void setIndexSelection(EditorContext editorContext) {
  }
  public static void updateValue(SNode attr, EditorContext editorContext) {
    if (attr == null) {
      return;
    }

    List<SNode> valuesToDelete = new ArrayList<SNode>();
    SNode lastValue = null;
    for (SNode part : SLinkOperations.getChildren(attr, MetaAdapterFactory.getContainmentLink(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54b8df3L, 0x5c842a42c54cfd1eL, "value"))) {
      if (SNodeOperations.isInstanceOf(part, MetaAdapterFactory.getConcept(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, "jetbrains.mps.core.xml.structure.XmlTextValue"))) {
        if (isEmptyString(SPropertyOperations.getString(SNodeOperations.cast(part, MetaAdapterFactory.getConcept(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, "jetbrains.mps.core.xml.structure.XmlTextValue")), MetaAdapterFactory.getProperty(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, 0x5c842a42c54cfd20L, "text")))) {
          ListSequence.fromList(valuesToDelete).addElement(part);
        } else if (lastValue != null) {
          SPropertyOperations.set(lastValue, MetaAdapterFactory.getProperty(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, 0x5c842a42c54cfd20L, "text"), SPropertyOperations.getString_def(lastValue, MetaAdapterFactory.getProperty(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, 0x5c842a42c54cfd20L, "text"), "") + SPropertyOperations.getString(SNodeOperations.cast(part, MetaAdapterFactory.getConcept(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, "jetbrains.mps.core.xml.structure.XmlTextValue")), MetaAdapterFactory.getProperty(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, 0x5c842a42c54cfd20L, "text")));
          ListSequence.fromList(valuesToDelete).addElement(part);
        } else {
          lastValue = SNodeOperations.cast(part, MetaAdapterFactory.getConcept(0x479c7a8c02f943b5L, 0x9139d910cb22f298L, 0x5c842a42c54cfd1fL, "jetbrains.mps.core.xml.structure.XmlTextValue"));
        }
      } else {
        lastValue = null;
      }
    }
    for (SNode d : valuesToDelete) {
      SNodeOperations.deleteNode(d);
    }
  }
  private static boolean isEmptyString(String str) {
    return str == null || str.length() == 0;
  }
}