eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerChooser.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2015 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;
  11
  12 import java.util.HashMap;
  13 import java.util.Map;
  14
  15 import org.eclipse.core.runtime.IConfigurationElement;
  16 import org.eclipse.core.runtime.IExtensionRegistry;
  17 import org.eclipse.core.runtime.Platform;
  18 import org.eclipse.jface.dialogs.PopupDialog;
  19 import org.eclipse.jface.viewers.ArrayContentProvider;
  20 import org.eclipse.jface.viewers.ColumnLabelProvider;
  21 import org.eclipse.jface.viewers.ISelection;
  22 import org.eclipse.jface.viewers.ISelectionChangedListener;
  23 import org.eclipse.jface.viewers.IStructuredSelection;
  24 import org.eclipse.jface.viewers.SelectionChangedEvent;
  25 import org.eclipse.jface.viewers.TableViewer;
  26 import org.eclipse.swt.SWT;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.swt.widgets.Control;
  29 import org.eclipse.swt.widgets.Shell;
  30 import org.eclipse.swt.widgets.Table;
  31
  32 /**
  33  * @author pplitzner
  34  * @date Feb 23, 2015
  35  *
  36  */
  37 public class CdmViewerChooser extends PopupDialog implements ISelectionChangedListener{
  38
  39     private Map<String, ICdmViewer> viewerNameMap;
  40     private Object input;
  41
  42     public CdmViewerChooser(Shell parentShell) {
  43         this(parentShell, SWT.RESIZE | SWT.ON_TOP, true, false, false, false, false, "Open in ...", "Clicking will open the selected viewer");
  44     }
  45
  46     public CdmViewerChooser(Shell parent, int shellStyle, boolean takeFocusOnOpen, boolean persistSize,
  47             boolean persistLocation, boolean showDialogMenu, boolean showPersistActions, String titleText,
  48             String infoText) {
  49         super(parent, shellStyle, takeFocusOnOpen, persistSize, persistLocation, showDialogMenu, showPersistActions,
  50                 titleText, infoText);
  51     }
  52
  53     public void chooseViewer(Object input){
  54         viewerNameMap = new HashMap<String, ICdmViewer>();
  55         this.input = input;
  56         IExtensionRegistry reg = Platform.getExtensionRegistry();
  57         IConfigurationElement[] extensions = reg
  58                 .getConfigurationElementsFor("eu.etaxonomy.taxeditor.store.cdmViewer");
  59         for (IConfigurationElement e : extensions) {
  60             Object o;
  61 //            try {
  62 //                o = e.createExecutableExtension("class");
  63 //                if (o instanceof ICdmViewer) {
  64 //                    ICdmViewer cdmViewer = (ICdmViewer) o;
  65 //                    Collection<String> viewerNames = cdmViewer.getViewerNames(input);
  66 //                    if(viewerNames!=null){
  67 //                        for (String string : viewerNames) {
  68 //                            viewerNameMap.put(string, cdmViewer);
  69 //                        }
  70 //                    }
  71 //                }
  72 //            } catch (CoreException e1) {
  73 //                MessagingUtils.error(CdmViewerChooser.class, "Could not load cdmViewer extension", e1);
  74 //            }
  75             for (IConfigurationElement inputConfigurationElement : e.getChildren("input")) {
  76                 System.out.println("input");
  77                 for (IConfigurationElement partConfigurationElement : inputConfigurationElement.getChildren("part")) {
  78                     System.out.println("part");
  79                 }
  80             }
  81         }
  82         this.open();
  83     }
  84
  85     /* (non-Javadoc)
  86      * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
  87      */
  88     @Override
  89     protected Control createDialogArea(Composite parent) {
  90         TableViewer viewer = new TableViewer(new Table(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION));
  91         viewer.setContentProvider(new ArrayContentProvider());
  92         viewer.setLabelProvider(new ColumnLabelProvider());
  93         viewer.addSelectionChangedListener(this);
  94         viewer.setInput(viewerNameMap.keySet());
  95         return parent;
  96     }
  97
  98     /* (non-Javadoc)
  99      * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
 100      */
 101     @Override
 102     public void selectionChanged(SelectionChangedEvent event) {
 103         ISelection selection = event.getSelection();
 104         if(selection instanceof IStructuredSelection){
 105             Object firstElement = ((IStructuredSelection) selection).getFirstElement();
 106             ICdmViewer cdmViewer = viewerNameMap.get(firstElement);
 107             if(cdmViewer!=null){
 108                 cdmViewer.show(input, null);
 109                 this.close();
 110             }
 111         }
 112     }
 113
 114 }