eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/name/e4/dnd/NameEditorDragListenerE4.java

   1 /**
   2  *
   3  */
   4 package eu.etaxonomy.taxeditor.editor.name.e4.dnd;
   5
   6 import org.eclipse.swt.dnd.DND;
   7 import org.eclipse.swt.dnd.DragSourceAdapter;
   8 import org.eclipse.swt.dnd.DragSourceEvent;
   9 import org.eclipse.ui.forms.ManagedForm;
  10
  11 import eu.etaxonomy.cdm.model.common.ICdmBase;
  12 import eu.etaxonomy.taxeditor.editor.CdmDataTransfer;
  13 import eu.etaxonomy.taxeditor.editor.name.e4.container.AbstractGroupedContainerE4;
  14
  15 /**
  16  *
  17  * @author pplitzner
  18  * @date 04.09.2017
  19  *
  20  */
  21 public class NameEditorDragListenerE4 extends DragSourceAdapter {
  22
  23         private AbstractGroupedContainerE4 container;
  24
  25         public NameEditorDragListenerE4(AbstractGroupedContainerE4 container){
  26                 this.container = container;
  27         }
  28
  29         /** {@inheritDoc} */
  30         @Override
  31     public void dragFinished(DragSourceEvent event) {
  32                 if(!event.doit) {
  33             return;
  34         }
  35                 if(event.detail == DND.DROP_MOVE){
  36                         ManagedForm managedForm = container.getGroup().getEditor().getManagedForm();
  37                         container.getGroup().remove(container);
  38                         managedForm.reflow(true);
  39                 }
  40
  41         };
  42
  43         /** {@inheritDoc} */
  44         @Override
  45         public void dragSetData(DragSourceEvent event) {
  46                 ICdmBase[] cdmBaseObjects = new ICdmBase[]{container.getData()};
  47                 if(CdmDataTransfer.getInstance().isSupportedType(event.dataType)){
  48                         event.data = cdmBaseObjects;
  49                 }
  50         }
  51
  52         /** {@inheritDoc} */
  53         @Override
  54         public void dragStart(DragSourceEvent event) {
  55                 event.doit = container.getData() != null;
  56         }
  57 }