X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=blobdiff_plain;f=org.argeo.app.ui%2Fsrc%2Forg%2Fargeo%2Fapp%2Fui%2Fopenlayers%2FOverviewMap.java;fp=org.argeo.app.ui%2Fsrc%2Forg%2Fargeo%2Fapp%2Fui%2Fopenlayers%2FOverviewMap.java;h=dbb3119ae2bc4d680bad1e9e79c777243cd5dfd1;hp=0000000000000000000000000000000000000000;hb=6e56ffa34cb02ab04d028423aea342e3dfed4358;hpb=c285180bece610b2c2921d44fe14b6dde2123efa

diff --git a/org.argeo.app.ui/src/org/argeo/app/ui/openlayers/OverviewMap.java b/org.argeo.app.ui/src/org/argeo/app/ui/openlayers/OverviewMap.java
new file mode 100644
index 0000000..dbb3119
--- /dev/null
+++ b/org.argeo.app.ui/src/org/argeo/app/ui/openlayers/OverviewMap.java
@@ -0,0 +1,66 @@
+package org.argeo.app.ui.openlayers;
+
+import java.util.List;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.observation.Event;
+import javax.jcr.observation.EventIterator;
+import javax.jcr.observation.EventListener;
+import javax.jcr.query.Query;
+
+import org.argeo.app.api.EntityType;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.ui.CmsUiProvider;
+import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/** Displays an overview map. */
+public class OverviewMap implements CmsUiProvider {
+
+	@Override
+	public Control createUi(Composite parent, Node context) throws RepositoryException {
+		parent.setLayout(new GridLayout());
+		refreshUi(parent, context);
+
+		try {
+			String[] nodeTypes = { EntityType.geopoint.get() };
+			context.getSession().getWorkspace().getObservationManager().addEventListener(new EventListener() {
+
+				@Override
+				public void onEvent(EventIterator events) {
+					if (!parent.isDisposed())
+						parent.getDisplay().asyncExec(() -> {
+							try {
+								refreshUi(parent, context);
+							} catch (RepositoryException e) {
+								throw new JcrException(e);
+							}
+						});
+				}
+			}, Event.PROPERTY_CHANGED | Event.NODE_ADDED | Event.NODE_REMOVED | Event.PROPERTY_ADDED, "/", true, null,
+					nodeTypes, false);
+		} catch (RepositoryException e) {
+			throw new IllegalStateException("Cannot add JCR observer", e);
+		}
+
+		return parent;
+	}
+
+	protected void refreshUi(Composite parent, Node context) throws RepositoryException {
+		CmsSwtUtils.clear(parent);
+		Query query = context.getSession().getWorkspace().getQueryManager()
+				.createQuery("SELECT * FROM [" + EntityType.geopoint.get() + "]", Query.JCR_SQL2);
+		List<Node> geoPoints = JcrUtils.nodeIteratorToList(query.execute().getNodes());
+		OpenLayersMap map = new OpenLayersMap(parent, SWT.NONE, getClass().getResource("map-osm.html"));
+		map.setLayoutData(CmsSwtUtils.fillAll());
+
+		// apafMap.setZoom(7);
+		// apafMap.setCenter(-2.472, 8.010);
+		map.addPoints(geoPoints);
+	}
+}