code: /*--------------------------------------------------------------*
    Copyright (C) 2006-2020 OpenSim Ltd.
  
    This file is distributed WITHOUT ANY WARRANTY. See the file
    'License' for details on this and other legal matters.
  *--------------------------------------------------------------*/
  
  package org.omnetpp.scave.model.commands;
  
  import java.util.Arrays;
  import java.util.Collection;
  
  import org.omnetpp.scave.model.InputFile;
  import org.omnetpp.scave.model.Inputs;
  import org.omnetpp.scave.model.ModelObject;
  
  public class RemoveInputFileCommand implements ICommand {
  
      private int index;
      private ModelObject parent;
      private InputFile inputFile;
  
      public RemoveInputFileCommand(InputFile inputFile) {
          this.inputFile = inputFile;
          this.parent = inputFile.getParent();
      }
  
      @Override
      public void execute() {
          ModelObject parent = inputFile.getParent();
  
          if (parent instanceof Inputs) {
              index = ((Inputs)parent).getInputs().indexOf(inputFile);
          }
  
          if (parent instanceof Inputs)
              ((Inputs)parent).removeInput(inputFile);
          else {
              // TODO
          }
      }
  
      @Override
      public void undo() {
          if (parent instanceof Inputs)
              ((Inputs)parent).addInput(inputFile, index);
  
      }
  
      @Override
      public void redo() {
          execute();
      }
  
      @Override
      public String getLabel() {
          return "Remove inputFile";
      }
  
      @Override
      public Collection<ModelObject> getAffectedObjects() {
          return Arrays.asList(parent, inputFile);
      }
  
  }
  