ScatterSetToScatterSetContainerTargetListener.java

package info.limpet.stackedcharts.ui.editor.drop;

import info.limpet.stackedcharts.model.Chart;
import info.limpet.stackedcharts.model.ScatterSet;
import info.limpet.stackedcharts.ui.editor.commands.AddScatterSetsToChartCommand;
import info.limpet.stackedcharts.ui.editor.parts.ScatterSetContainerEditPart;

import java.util.List;

import org.eclipse.gef.EditPart;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.commands.Command;
import org.eclipse.swt.dnd.DropTargetEvent;

public class ScatterSetToScatterSetContainerTargetListener extends
    ScatterSetDropTargetListener
{
  public ScatterSetToScatterSetContainerTargetListener(GraphicalViewer viewer)
  {
    super(viewer);
  }

  @Override
  public boolean appliesTo(DropTargetEvent event)
  {
    EditPart findObjectAt = findPart(event);
    return findObjectAt instanceof ScatterSetContainerEditPart;
  }

  @Override
  protected Command createScatterCommand(Chart chart,
      List<ScatterSet> scatterSets)
  {
    AddScatterSetsToChartCommand addDatasetsToAxisCommand =
        new AddScatterSetsToChartCommand(chart, scatterSets
            .toArray(new ScatterSet[scatterSets.size()]));
    return addDatasetsToAxisCommand;
  }
}