DefaultMapEditor.java

   1 package org.argeo.gis.ui.editors;
   2
   3 import org.argeo.gis.ui.MapContextProvider;
   4 import org.argeo.gis.ui.MapControlCreator;
   5 import org.argeo.gis.ui.views.LayersView;
   6 import org.eclipse.core.runtime.IProgressMonitor;
   7 import org.eclipse.swt.SWT;
   8 import org.eclipse.swt.layout.GridLayout;
   9 import org.eclipse.swt.widgets.Composite;
  10 import org.eclipse.ui.IEditorInput;
  11 import org.eclipse.ui.IEditorSite;
  12 import org.eclipse.ui.PartInitException;
  13 import org.eclipse.ui.part.EditorPart;
  14 import org.geotools.data.FeatureSource;
  15 import org.geotools.map.MapContext;
  16 import org.opengis.feature.simple.SimpleFeature;
  17 import org.opengis.feature.simple.SimpleFeatureType;
  18
  19 /** A generic map editor */
  20 public class DefaultMapEditor extends EditorPart implements MapContextProvider {
  21         public final static String ID = "org.argeo.gis.ui.defaultMapEditor";
  22
  23         private MapContext mapContext;
  24         private Composite map;
  25         private MapControlCreator mapControlCreator;
  26
  27         @Override
  28         public void init(IEditorSite site, IEditorInput input)
  29                         throws PartInitException {
  30                 if (input instanceof MapContextProvider) {
  31                         mapContext = ((MapContextProvider) input).getMapContext();
  32                         setSite(site);
  33                         setInput(input);
  34                         setPartName(input.getName());
  35                 } else {
  36                         throw new PartInitException("Support only "
  37                                         + MapContextProvider.class + " inputs");
  38                 }
  39         }
  40
  41         @Override
  42         public void createPartControl(Composite parent) {
  43                 Composite mapArea = new Composite(parent, SWT.NONE);
  44                 GridLayout layout = new GridLayout();
  45                 layout.marginHeight = 0;
  46                 layout.marginWidth = 0;
  47                 mapArea.setLayout(layout);
  48                 map = mapControlCreator.createMapControl(mapArea, this);
  49         }
  50
  51         public void addLayer(
  52                         FeatureSource<SimpleFeatureType, SimpleFeature> featureSource) {
  53                 // TODO: deal with style
  54                 mapContext.addLayer(featureSource, null);
  55         }
  56
  57         @Override
  58         public void doSave(IProgressMonitor monitor) {
  59         }
  60
  61         @Override
  62         public void doSaveAs() {
  63         }
  64
  65         @Override
  66         public boolean isDirty() {
  67                 return false;
  68         }
  69
  70         @Override
  71         public boolean isSaveAsAllowed() {
  72                 return false;
  73         }
  74
  75         @Override
  76         public void setFocus() {
  77                 LayersView layersView = (LayersView) getEditorSite()
  78                                 .getWorkbenchWindow().getActivePage().findView(LayersView.ID);
  79                 layersView.setMapContext(getMapContext());
  80                 map.setFocus();
  81         }
  82
  83         public MapContext getMapContext() {
  84                 return mapContext;
  85         }
  86
  87         public void setMapControlCreator(MapControlCreator mapControlCreator) {
  88                 this.mapControlCreator = mapControlCreator;
  89         }
  90
  91 }