Introduce fit to map layer

[gpl/argeo-suite.git] / org.argeo.app.geo / src / org / argeo / app / geo / ux / OpenLayersMapPart.java

diff --git a/org.argeo.app.geo/src/org/argeo/app/geo/ux/OpenLayersMapPart.java b/org.argeo.app.geo/src/org/argeo/app/geo/ux/OpenLayersMapPart.java
index e6edbf6e2861cb556fc1fb7cc9b35e3c13d19c06..6b5c9263c634ec739ea2d952c7ed49bfa33f2a49 100644 (file)
--- a/org.argeo.app.geo/src/org/argeo/app/geo/ux/OpenLayersMapPart.java
+++ b/org.argeo.app.geo/src/org/argeo/app/geo/ux/OpenLayersMapPart.java
@@ -1,11 +1,19 @@
 package org.argeo.app.geo.ux;
 
+import java.util.Map;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import org.argeo.app.geo.ux.MapPart.FeaturePopupEvent;
+import org.argeo.app.geo.ux.MapPart.FeatureSelectedEvent;
+import org.argeo.app.geo.ux.MapPart.FeatureSingleClickEvent;
 import org.argeo.app.ol.AbstractOlObject;
 import org.argeo.app.ol.Layer;
 import org.argeo.app.ol.OlMap;
 import org.argeo.app.ol.TileLayer;
 import org.argeo.app.ol.VectorLayer;
 import org.argeo.app.ux.js.JsClient;
+import org.locationtech.jts.geom.Envelope;
 
 /**
  * A wrapper around an OpenLayers map, adding specific features, such as SLD
@@ -32,6 +40,14 @@ public class OpenLayersMapPart extends AbstractGeoJsObject {
                executeMethod(getMethodName(), lat, lon);
        }
 
+       public void fit(double[] extent, Map<String, Object> options) {
+               executeMethod(getMethodName(), extent, options);
+       }
+
+       public void fit(Envelope extent, Map<String, Object> options) {
+               fit(new double[] { extent.getMinX(), extent.getMinY(), extent.getMaxX(), extent.getMaxY() }, options);
+       }
+
        public void applyStyle(String layerName, String styledLayerName) {
                executeMethod(getMethodName(), layerName, styledLayerName);
        }
@@ -52,4 +68,43 @@ public class OpenLayersMapPart extends AbstractGeoJsObject {
                return mapPartName;
        }
 
+       public void selectFeatures(String layerName, Object... ids) {
+               executeMethod(getMethodName(), layerName, (Object[]) ids);
+       }
+
+       public void fitToLayer(String layerName) {
+               executeMethod(getMethodName(), layerName);
+       }
+
+       /*
+        * CALLBACKS
+        */
+       public void onFeatureSelected(Consumer<FeatureSelectedEvent> toDo) {
+               addCallback("FeatureSelected", (arr) -> {
+                       toDo.accept(new FeatureSelectedEvent((String) arr[0]));
+                       return null;
+               });
+       }
+
+       public void onFeatureSingleClick(Consumer<FeatureSingleClickEvent> toDo) {
+               addCallback("FeatureSingleClick", (arr) -> {
+                       toDo.accept(new FeatureSingleClickEvent((String) arr[0]));
+                       return null;
+               });
+       }
+
+       public void onFeaturePopup(Function<FeaturePopupEvent, String> toDo) {
+               addCallback("FeaturePopup", (arr) -> {
+                       return toDo.apply(new FeaturePopupEvent((String) arr[0]));
+               });
+       }
+
+       protected void addCallback(String suffix, Function<Object[], Object> toDo) {
+               getJsClient().getReadyStage().thenAccept((ready) -> {
+                       String functionName = getJsClient().createJsFunction(getMapPartName() + "__on" + suffix, toDo);
+                       getJsClient().execute(getJsReference() + ".callbacks['on" + suffix + "']=" + functionName + ";");
+                       executeMethod("enable" + suffix);
+               });
+       }
+
 }