eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/e4/handler/OpenTermTreeEditorHandler.java

   1 /**
   2 * Copyright (C) 2020 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.featuretree.e4.handler;
  10
  11 import java.util.List;
  12 import java.util.stream.Collectors;
  13
  14 import org.eclipse.e4.core.di.annotations.Execute;
  15 import org.eclipse.e4.ui.model.application.MApplication;
  16 import org.eclipse.e4.ui.model.application.commands.MParameter;
  17 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  18 import org.eclipse.e4.ui.model.application.ui.basic.MPartStack;
  19 import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
  20 import org.eclipse.e4.ui.workbench.modeling.EModelService;
  21 import org.eclipse.e4.ui.workbench.modeling.EPartService;
  22 import org.eclipse.e4.ui.workbench.modeling.EPartService.PartState;
  23
  24 import eu.etaxonomy.cdm.model.term.TermType;
  25 import eu.etaxonomy.taxeditor.featuretree.e4.TermTreeEditor;
  26 import eu.etaxonomy.taxeditor.workbench.WorkbenchUtility;
  27
  28 /**
  29  * @author k.luther
  30  * @since Dec 11, 2020
  31  */
  32 public class OpenTermTreeEditorHandler {
  33     @Execute
  34     public void execute(EPartService partService, MHandledMenuItem menuItem, MApplication application, EModelService modelService) {
  35
  36         String commandId = menuItem.getCommand().getElementId();
  37         List<MParameter> parameters = menuItem.getParameters();
  38         TermType termType = null;
  39         for (MParameter param: parameters){
  40             termType = TermType.getByKey(param.getValue());
  41         }
  42
  43         if(termType != null){
  44         TermType type = termType;
  45
  46         List<MPart> alreadyOpenedEditors = partService.getParts().stream()
  47         .filter(part->part.getObject()!=null && part.getObject() instanceof TermTreeEditor)
  48         .filter(part->((TermTreeEditor)part.getObject()).getTermType().equals(type))
  49         .collect(Collectors.toList());
  50         if(!alreadyOpenedEditors.isEmpty()){
  51             //there should never be more than one already opened editor
  52             //so we just open the first
  53             partService.activate(alreadyOpenedEditors.iterator().next());
  54         }
  55         else{
  56             MPart part = partService.createPart(eu.etaxonomy.taxeditor.store.AppModelId.PARTDESCRIPTOR_EU_ETAXONOMY_TAXEDITOR_EDITOR_TERMTREE);
  57             MPartStack editorAreaPartStack = WorkbenchUtility.getEditorAreaPartStack(application, modelService);
  58             if(editorAreaPartStack!=null){
  59                 editorAreaPartStack.getChildren().add(part);
  60             }
  61             part = partService.showPart(part, PartState.ACTIVATE);
  62             TermTreeEditor termEditor = (TermTreeEditor) part.getObject();
  63             termEditor.init(termType, menuItem.getLocalizedLabel());
  64         }
  65         }
  66     }
  67
  68 }