eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/derivateSearch/DerivateSearchView.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2013 EDIT
   4  * European Distributed Institute of Taxonomy
   5  * http://www.e-taxonomy.eu
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version 1.1
   8  * See LICENSE.TXT at the top of this package for the full license terms.
   9  */
  10 package eu.etaxonomy.taxeditor.view.derivateSearch;
  11
  12 import org.eclipse.core.runtime.IProgressMonitor;
  13 import org.eclipse.jface.action.MenuManager;
  14 import org.eclipse.swt.widgets.Composite;
  15 import org.eclipse.swt.widgets.Control;
  16 import org.eclipse.swt.widgets.Menu;
  17 import org.eclipse.ui.IMemento;
  18 import org.eclipse.ui.part.ViewPart;
  19
  20 import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
  21 import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;
  22 import eu.etaxonomy.taxeditor.model.IContextListener;
  23 import eu.etaxonomy.taxeditor.store.CdmStore;
  24
  25 /**
  26  * This view allows to search for and filter {@link SpecimenOrObservationBase}s and display
  27  * the results in a list. The results can be selected and opened in an editor.
  28  */
  29 public class DerivateSearchView extends ViewPart implements IContextListener {
  30
  31     public static final String ID = "eu.etaxonomy.taxeditor.view.derivateSearch.DerivateSearchView";
  32     private DerivateSearchCompositeController derivateSearchCompositeController;
  33     private ConversationHolder conversationHolder;
  34
  35     /**
  36      * Constructs a new DerivateSearchView and registers it to listen to context changes
  37      */
  38     public DerivateSearchView() {
  39         CdmStore.getContextManager().addContextListener(this);
  40     }
  41
  42     @Override
  43     public void createPartControl(Composite parent) {
  44         derivateSearchCompositeController = new DerivateSearchCompositeController(parent, this);
  45         getSite().setSelectionProvider(derivateSearchCompositeController.getResultViewer());
  46         derivateSearchCompositeController.setEnabled(CdmStore.isActive());
  47
  48         //create context menu
  49         MenuManager menuManager = new MenuManager();
  50         getSite().registerContextMenu(menuManager, derivateSearchCompositeController.getResultViewer());
  51         Control control = derivateSearchCompositeController.getResultViewer().getControl();
  52         Menu menu = menuManager.createContextMenu(control);
  53         control.setMenu(menu);
  54     }
  55
  56     @Override
  57     public void setFocus() {
  58         derivateSearchCompositeController.setFocus();
  59         //make sure to bind again if maybe in another view the conversation was unbound
  60         if(getConversationHolder()!=null && !getConversationHolder().isClosed() && !getConversationHolder().isBound()){
  61             getConversationHolder().bind();
  62         }
  63     }
  64
  65     @Override
  66     public void contextAboutToStop(IMemento memento, IProgressMonitor monitor) {
  67     }
  68
  69     @Override
  70     public void contextStop(IMemento memento, IProgressMonitor monitor) {
  71         derivateSearchCompositeController.setEnabled(false);
  72         derivateSearchCompositeController.reset();
  73     }
  74
  75     @Override
  76     public void contextStart(IMemento memento, IProgressMonitor monitor) {
  77         derivateSearchCompositeController.setEnabled(true);
  78     }
  79
  80     @Override
  81     public void contextRefresh(IProgressMonitor monitor) {
  82         initConversation();
  83     }
  84
  85     private void initConversation(){
  86         if(conversationHolder==null){
  87             conversationHolder = CdmStore.createConversation();
  88             derivateSearchCompositeController.setConversation(conversationHolder);
  89         }
  90     }
  91
  92     @Override
  93     public void workbenchShutdown(IMemento memento, IProgressMonitor monitor) {
  94     }
  95
  96     public ConversationHolder getConversationHolder() {
  97         if(CdmStore.isActive() && conversationHolder==null){
  98             initConversation();
  99         }
 100         return conversationHolder;
 101     }
 102
 103     /**
 104      * {@inheritDoc}
 105      */
 106     @Override
 107     public void dispose() {
 108         if(conversationHolder!=null){
 109             conversationHolder.close();
 110         }
 111     }
 112 }