eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/event/EventUtility.java

   1 /**
   2 * Copyright (C) 2017 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.event;
  10
  11 import java.util.Collection;
  12
  13 import javax.annotation.PostConstruct;
  14 import javax.inject.Inject;
  15 import javax.inject.Named;
  16
  17 import org.eclipse.e4.core.commands.ECommandService;
  18 import org.eclipse.e4.core.di.annotations.Optional;
  19 import org.eclipse.e4.core.services.events.IEventBroker;
  20 import org.eclipse.e4.ui.di.UIEventTopic;
  21 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  22 import org.eclipse.e4.ui.services.IServiceConstants;
  23 import org.eclipse.e4.ui.workbench.modeling.EPartService;
  24 import org.eclipse.swt.widgets.Shell;
  25
  26 import eu.etaxonomy.cdm.model.taxon.Taxon;
  27 import eu.etaxonomy.taxeditor.editor.ITaxonEditor;
  28 import eu.etaxonomy.taxeditor.workbench.part.IE4SavablePart;
  29
  30 /**
  31  * @author pplitzner
  32  * @since Sep 4, 2017
  33  *
  34  */
  35 public class EventUtility {
  36
  37     private static ITaxonEditor editor;
  38
  39     private static MPart activePart;
  40
  41     private static Shell shell;
  42
  43     @Inject
  44     private static IEventBroker eventBroker;
  45
  46     @Inject
  47     private static ECommandService commandService;
  48
  49     @PostConstruct
  50     public void create(){
  51         //nothing
  52     }
  53
  54     public static void postEvent(String topic, Object data){
  55         eventBroker.post(topic, data);
  56     }
  57
  58     public static ECommandService getCommandService() {
  59         return commandService;
  60     }
  61
  62     @Inject
  63     @Optional
  64     private void updateCurrentActiveShell(@Named(IServiceConstants.ACTIVE_SHELL)Shell shell){
  65         EventUtility.shell = shell;
  66     }
  67
  68     @Inject
  69     @Optional
  70     private void updateCurrentActivePart(@Named(IServiceConstants.ACTIVE_PART)MPart activePart){
  71         if(activePart!=null){
  72             EventUtility.activePart = activePart;
  73         }
  74     }
  75
  76     @Inject
  77     @Optional
  78     private void updateCurrentTaxon(@UIEventTopic(WorkbenchEventConstants.CURRENT_ACTIVE_EDITOR)ITaxonEditor editor){
  79         EventUtility.editor = editor;
  80     }
  81
  82     public static Taxon getCurrentTaxon() {
  83         if(editor!=null){
  84             return editor.getTaxon();
  85         }
  86         return null;
  87     }
  88
  89     public static ITaxonEditor getTaxonEditor() {
  90         return editor;
  91     }
  92
  93     public static MPart getActivePart() {
  94         return activePart;
  95     }
  96
  97     public static Shell getShell() {
  98         return shell;
  99     }
 100
 101     public static MPart getActiveEditorPart(EPartService partService){
 102         Collection<MPart> parts = partService.getParts();
 103         for (MPart part : parts) {
 104             if(part.getObject()!=null && part.getObject() instanceof IE4SavablePart
 105                     && part.isVisible()){
 106                 return part;
 107             }
 108         }
 109         return null;
 110     }
 111
 112 //    private EventHandler testHandler;
 113 //
 114 //    @Inject
 115 //    public EventUtility(IEventBroker eventBroker) {
 116 //        testHandler = new EventHandler() {
 117 //
 118 //            @Override
 119 //            public void handleEvent(Event event) {
 120 //                Object part = event.getProperty(UIEvents.EventTags.ELEMENT);
 121 //                boolean tbr =(Boolean) event.getProperty(UIEvents.EventTags.NEW_VALUE);
 122 //                if (part instanceof MPart){
 123 //                    System.out.println("Part "+((MPart)part).getElementId()+" is "+(!tbr?"NOT":"")+" visible");
 124 //                }
 125 //                else if(part instanceof MPlaceholder){
 126 //                    System.out.println("Part "+((MPlaceholder)part).getRef().getElementId()+" is "+(!tbr?"NOT":"")+" visible");
 127 //                }
 128 //            }
 129 //        };
 130 //        eventBroker.subscribe(UIEvents.UIElement.TOPIC_TOBERENDERED, testHandler);
 131 //    }
 132
 133 }