Changeset 25083 in osm for applications/editors/josm/plugins/scripting/scripts/HelloWorld.js

Timestamp:

2011-01-16T19:47:42+01:00 (14 years ago)

Author:

guggis

Message:

Updated sample scripts

File:

• applications/editors/josm/plugins/scripting/scripts/HelloWorld.js (modified) (1 diff)

applications/editors/josm/plugins/scripting/scripts/HelloWorld.js

@@ -1 +1 @@
 /*
-* HelloWorld.js  -  sample JOSM script in JavaScript
+* HelloWorld.js  -  displays the number of actually open layers 
 */
 importClass(Packages.javax.swing.JOptionPane)
 importClass(Packages.org.openstreetmap.josm.Main)
 
-JOptionPane.showMessageDialog(Main.parent, "[JavaScript] Hello World!")
+function getMapView() {
+        if (Main.main == null) return null
+        if (Main.main.map == null) return null
+        return Main.main.map.mapView
+}
+
+var numlayers = 0
+var mv = getMapView()
+if (mv != null){
+        numlayers = mv.getNumLayers()
+} 
+JOptionPane.showMessageDialog(Main.parent, "[JavaScript] Hello World! You have " + numlayers + " layer(s).")
+