org.argeo.app.geo/src/org/argeo/app/geo/ux/OpenLayersMapPart.java

   1 package org.argeo.app.geo.ux;
   2
   3 import java.util.Map;
   4
   5 import org.argeo.app.ol.AbstractOlObject;
   6 import org.argeo.app.ol.Layer;
   7 import org.argeo.app.ol.OlMap;
   8 import org.argeo.app.ol.TileLayer;
   9 import org.argeo.app.ol.VectorLayer;
  10 import org.argeo.app.ux.js.JsClient;
  11 import org.locationtech.jts.geom.Envelope;
  12
  13 /**
  14  * A wrapper around an OpenLayers map, adding specific features, such as SLD
  15  * styling.
  16  */
  17 public class OpenLayersMapPart extends AbstractGeoJsObject {
  18         private final String mapPartName;
  19
  20         public OpenLayersMapPart(JsClient jsClient, String mapPartName) {
  21                 super(mapPartName);
  22                 this.mapPartName = mapPartName;
  23                 create(jsClient, mapPartName);
  24         }
  25
  26         public OlMap getMap() {
  27                 return new OlMap(getJsClient(), getReference() + ".getMap()");
  28         }
  29
  30         public void setSld(String xml) {
  31                 executeMethod(getMethodName(), JsClient.escapeQuotes(xml));
  32         }
  33
  34         public void setCenter(Double lat, Double lon) {
  35                 executeMethod(getMethodName(), lat, lon);
  36         }
  37
  38         public void fit(double[] extent, Map<String, Object> options) {
  39                 executeMethod(getMethodName(), extent, options);
  40         }
  41
  42         public void fit(Envelope extent, Map<String, Object> options) {
  43                 fit(new double[] { extent.getMinX(), extent.getMinY(), extent.getMaxX(), extent.getMaxY() }, options);
  44         }
  45
  46         public void applyStyle(String layerName, String styledLayerName) {
  47                 executeMethod(getMethodName(), layerName, styledLayerName);
  48         }
  49
  50         public Layer getLayer(String name) {
  51                 // TODO deal with not found
  52                 String reference = getReference() + ".getLayerByName('" + name + "')";
  53                 if (getJsClient().isInstanceOf(reference, AbstractOlObject.getJsClassName(VectorLayer.class))) {
  54                         return new VectorLayer(getJsClient(), reference);
  55                 } else if (getJsClient().isInstanceOf(reference, AbstractOlObject.getJsClassName(TileLayer.class))) {
  56                         return new TileLayer(getJsClient(), reference);
  57                 } else {
  58                         return new Layer(getJsClient(), reference);
  59                 }
  60         }
  61
  62         public String getMapPartName() {
  63                 return mapPartName;
  64         }
  65
  66 }