FeatureSourcesView.java

   1 package org.argeo.gis.ui.views;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.RepositoryException;
   5 import javax.jcr.Session;
   6
   7 import org.argeo.ArgeoException;
   8 import org.argeo.eclipse.ui.jcr.SimpleNodeContentProvider;
   9 import org.argeo.geotools.jcr.GeoJcrMapper;
  10 import org.argeo.gis.ui.editors.DefaultMapEditor;
  11 import org.argeo.jcr.gis.GisTypes;
  12 import org.eclipse.jface.viewers.DoubleClickEvent;
  13 import org.eclipse.jface.viewers.IDoubleClickListener;
  14 import org.eclipse.jface.viewers.IStructuredSelection;
  15 import org.eclipse.jface.viewers.LabelProvider;
  16 import org.eclipse.jface.viewers.TreeViewer;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.ui.IEditorPart;
  20 import org.eclipse.ui.part.ViewPart;
  21 import org.geotools.data.FeatureSource;
  22 import org.opengis.feature.simple.SimpleFeature;
  23 import org.opengis.feature.simple.SimpleFeatureType;
  24
  25 public class FeatureSourcesView extends ViewPart implements
  26                 IDoubleClickListener {
  27         public final static String ID = "org.argeo.gis.ui.featureSourcesView";
  28
  29         private String dataStoresBasePath = "/gis/dataStores";
  30
  31         private Session session;
  32
  33         private TreeViewer viewer;
  34
  35         private GeoJcrMapper geoJcrMapper;
  36
  37         @Override
  38         public void createPartControl(Composite parent) {
  39                 viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
  40                 String[] basePaths = { dataStoresBasePath };
  41                 viewer.setContentProvider(new SimpleNodeContentProvider(session,
  42                                 basePaths));
  43                 viewer.setLabelProvider(new MapsLabelProvider());
  44                 viewer.setInput(getViewSite());
  45                 viewer.addDoubleClickListener(this);
  46         }
  47
  48         public void doubleClick(DoubleClickEvent event) {
  49                 if (!event.getSelection().isEmpty()) {
  50                         Object obj = ((IStructuredSelection) event.getSelection())
  51                                         .getFirstElement();
  52                         if (obj instanceof Node) {
  53                                 Node node = (Node) obj;
  54                                 try {
  55                                         if (!node.getPrimaryNodeType().isNodeType(
  56                                                         GisTypes.GIS_FEATURE_SOURCE))
  57                                                 return;
  58                                 } catch (RepositoryException e) {
  59                                         throw new ArgeoException("Cannot check type of " + node, e);
  60                                 }
  61                                 FeatureSource<SimpleFeatureType, SimpleFeature> featureSource = geoJcrMapper
  62                                                 .getFeatureSource(node);
  63                                 IEditorPart ed = getSite().getWorkbenchWindow().getActivePage()
  64                                                 .getActiveEditor();
  65                                 if (ed instanceof DefaultMapEditor) {
  66                                         ((DefaultMapEditor) ed).addLayer(featureSource);
  67                                 }
  68                         }
  69
  70                 }
  71
  72         }
  73
  74         public void setGeoJcrMapper(GeoJcrMapper geoJcrMapper) {
  75                 this.geoJcrMapper = geoJcrMapper;
  76         }
  77
  78         @Override
  79         public void setFocus() {
  80                 viewer.getTree().setFocus();
  81         }
  82
  83         public void refresh() {
  84                 viewer.refresh();
  85         }
  86
  87         public void setSession(Session session) {
  88                 this.session = session;
  89         }
  90
  91         private class MapsLabelProvider extends LabelProvider {
  92
  93                 @Override
  94                 public String getText(Object element) {
  95                         return super.getText(element);
  96                 }
  97
  98         }
  99 }