Add support for minzoom attribute on marker sets - hide markers below configurable zoom for each marker set

src/main/java/org/dynmap/MarkersComponent.java

@@ -84,6 +84,7 @@ public class MarkersComponent extends ClientComponent {
                 offlineset = api.createMarkerSet(OFFLINE_PLAYERS_SETID, configuration.getString("offlinelabel", "Offline"), null, true);
             }
             offlineset.setHideByDefault(configuration.getBoolean("offlinehidebydefault", true));
+            offlineset.setMinZoom(configuration.getInteger("offlineminzoom", 0));
             
             offlineicon = api.getMarkerIcon(configuration.getString("offlineicon", "offlineuser"));
             

src/main/java/org/dynmap/markers/impl/MarkerAPIImpl.java

@@ -178,9 +178,13 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
         public String msg;
         public String id;
         public String label;
+        public int layerprio;
+        public int minzoom;
         public MarkerSetUpdated(MarkerSet markerset, boolean deleted) {
             this.id = markerset.getMarkerSetID();
             this.label = markerset.getMarkerSetLabel();
+            this.layerprio = markerset.getLayerPriority();
+            this.minzoom = markerset.getMinZoom();
             if(deleted)
                 msg = "setdeleted";
             else
@@ -642,6 +646,7 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
     private static final String ARG_ICON = "icon";
     private static final String ARG_SET = "set";
     private static final String ARG_PRIO = "prio";
+    private static final String ARG_MINZOOM = "minzoom";
     private static final String ARG_STROKEWEIGHT = "weight";
     private static final String ARG_STROKECOLOR = "color";
     private static final String ARG_STROKEOPACITY = "opacity";
@@ -712,7 +717,7 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
 
     
     public static boolean onCommand(DynmapPlugin plugin, CommandSender sender, Command cmd, String commandLabel, String[] args) {
-        String id, setid, file, label, newlabel, iconid, prio;
+        String id, setid, file, label, newlabel, iconid, prio, minzoom;
         String val;
         
         if(api == null) {
@@ -961,6 +966,7 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
                 id = parms.get(ARG_ID);
                 label = parms.get(ARG_LABEL);
                 prio = parms.get(ARG_PRIO);
+                minzoom = parms.get(ARG_MINZOOM);
                 if((id == null) && (label == null)) {
                     sender.sendMessage("<label> or id:<marker-id> required");
                     return true;
@@ -991,6 +997,13 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
                             sender.sendMessage("Invalid priority: " + prio);
                         }
                     }
+                    if(minzoom != null) {
+                        try {
+                            set.setMinZoom(Integer.valueOf(minzoom));
+                        } catch (NumberFormatException nfx) {
+                            sender.sendMessage("Invalid max zoom out: " + minzoom);
+                        }
+                    }
                     sender.sendMessage("Added set id:'" + set.getMarkerSetID() + "' (" + set.getMarkerSetLabel() + ")");
                 }
             }
@@ -1006,6 +1019,7 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
                 id = parms.get(ARG_ID);
                 label = parms.get(ARG_LABEL);
                 prio = parms.get(ARG_PRIO);
+                minzoom = parms.get(ARG_MINZOOM);
                 if((id == null) && (label == null)) {
                     sender.sendMessage("<label> or id:<set-id> required");
                     return true;
@@ -1046,6 +1060,13 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
                         sender.sendMessage("Invalid priority: " + prio);
                     }
                 }
+                if(minzoom != null) {
+                    try {
+                        set.setMinZoom(Integer.valueOf(minzoom));
+                    } catch (NumberFormatException nfx) {
+                        sender.sendMessage("Invalid min zoom: " + minzoom);
+                    }
+                }
                 sender.sendMessage("Set '" + set.getMarkerSetID() + "' updated");
             }
             else {
@@ -1097,7 +1118,7 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
             Set<String> setids = new TreeSet<String>(api.markersets.keySet());
             for(String s : setids) {
                 MarkerSet set = api.markersets.get(s);
-                sender.sendMessage(set.getMarkerSetID() + ": label:\"" + set.getMarkerSetLabel() + "\", hide:" + set.getHideByDefault() + ", prio:" + set.getLayerPriority());
+                sender.sendMessage(set.getMarkerSetID() + ": label:\"" + set.getMarkerSetLabel() + "\", hide:" + set.getHideByDefault() + ", prio:" + set.getLayerPriority() + ", minzoom:" + set.getMinZoom());
             }
         }
         /* Add new icon */
@@ -1505,6 +1526,7 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
             msdata.put("label", ms.getMarkerSetLabel());
             msdata.put("hide", ms.getHideByDefault());
             msdata.put("layerprio", ms.getLayerPriority());
+            msdata.put("minzoom", ms.getMinZoom());
             HashMap<String, Object> markers = new HashMap<String, Object>();
             for(Marker m : ms.getMarkers()) {
                 if(m.getWorld().equals(wname) == false) continue;

src/main/java/org/dynmap/markers/impl/MarkerSetImpl.java

@@ -25,6 +25,7 @@ class MarkerSetImpl implements MarkerSet {
     private boolean hide_by_def;
     private boolean ispersistent;
     private int prio = 0;
+    private int minzoom = 0;
     
     MarkerSetImpl(String id) {
         setid = id;
@@ -250,6 +251,7 @@ class MarkerSetImpl implements MarkerSet {
         setnode.put("areas", anode);
         setnode.put("hide", hide_by_def);
         setnode.put("layerprio", prio);
+        setnode.put("minzoom", minzoom);
         return setnode;
     }
 
@@ -297,6 +299,7 @@ class MarkerSetImpl implements MarkerSet {
         }
         hide_by_def = node.getBoolean("hide", false);
         prio = node.getInt("layerprio", 0);
+        minzoom = node.getInt("minzoom", 0);
         ispersistent = true;
         
         return true;
@@ -370,4 +373,18 @@ class MarkerSetImpl implements MarkerSet {
         return match;
     }
 
+    @Override
+    public void setMinZoom(int minzoom) {
+        if(this.minzoom != minzoom) {
+            this.minzoom = minzoom;
+            MarkerAPIImpl.markerSetUpdated(this, MarkerUpdate.UPDATED);
+            if(ispersistent)
+                MarkerAPIImpl.saveMarkers();
+        }
+    }
+    @Override
+    public int getMinZoom() {
+        return this.minzoom;
+    }
+
 }

src/main/resources/configuration.txt

@@ -69,6 +69,7 @@ components:
     #offlinelabel: "Offline"
     #offlineicon: offlineuser
     #offlinehidebydefault: true
+    #offlineminzoom: 0
     
   - class: org.dynmap.ClientComponent
     type: chat

web/js/map.js

@@ -140,10 +140,10 @@ DynMap.prototype = {
 		});
 		window.map = map; // Placate Leaflet need for top-level 'map'....
 		
-		map.zoom_changed = function() {
+		map.on('zoomend', function() {
-			me.maptype.updateTileSize(me.map.zoom);
+			me.maptype.updateTileSize(me.map.getZoom());
 			$(me).trigger('zoomchanged');
-		};
+		});
 			
 		/*google.maps.event.addListener(map, 'dragstart', function(mEvent) {
 			me.followPlayer(null);

web/js/markers.js

@@ -24,7 +24,7 @@ componentconstructors['markers'] = function(dynmap, configuration) {
 			$.each(data.sets, function(name, markerset) {
 				var ms = dynmapmarkersets[name];
 				if(!ms) {
-					ms = { id: name, label: markerset.label, hide: markerset.hide, layerprio: markerset.layerprio, markers: {}, areas: {} } ;
+					ms = { id: name, label: markerset.label, hide: markerset.hide, layerprio: markerset.layerprio, minzoom: markerset.minzoom, markers: {}, areas: {} } ;
 					createMarkerSet(ms, ts);
 				}
 				else {
@@ -92,6 +92,7 @@ componentconstructors['markers'] = function(dynmap, configuration) {
 			$(popup).addClass('MarkerPopup').append(marker.desc);
 			marker.our_marker.bindPopup(popup, {});
 		}
+		if((set.minzoom < 1) || (dynmap.map.getZoom() >= set.minzoom))
 			set.layergroup.addLayer(marker.our_marker);
 	}
 	
@@ -138,6 +139,7 @@ componentconstructors['markers'] = function(dynmap, configuration) {
 			}
 			area.our_area.bindPopup(popup, {});
 		}
+		if((set.minzoom < 1) || (dynmap.map.getZoom() >= set.minzoom))
 			set.layergroup.addLayer(area.our_area);
 	}
 
@@ -242,17 +244,20 @@ componentconstructors['markers'] = function(dynmap, configuration) {
 		}
 		else if(msg.msg == 'setupdated') {
 			if(!dynmapmarkersets[msg.id]) {
-				dynmapmarkersets[msg.id] = { id: msg.id, label: msg.label, layerprio: msg.layerprio, markers:{} };
+				dynmapmarkersets[msg.id] = { id: msg.id, label: msg.label, layerprio: msg.layerprio, minzoom: msg.minzoom, markers:{} };
 				createMarkerSet(dynmapmarkersets[msg.id]);
 			}
 			else {
-				if(dynmapmarkersets[msg.id].label != msg.label) {
+				if((dynmapmarkersets[msg.id].label != msg.label) || (dynmapmarkersets[msg.id].layerprio != msg.layerprio)) {
 					dynmapmarkersets[msg.id].label = msg.label;
+					dynmapmarkersets[msg.id].layerprio = msg.layerprio;
 					//dynmap.layercontrol.removeLayer(dynmapmarkersets[msg.id].layergroup);
 					//dynmap.layercontrol.addOverlay(dynmapmarkersets[msg.id].layergroup, dynmapmarkersets[msg.id].label);
 					dynmap.addToLayerSelector(dynmapmarkersets[msg.id].layergroup, dynmapmarkersets[msg.id].label, 
 						dynmapmarkersets[msg.id].layerprio || 0);
-					
+				}
+				if(dynmapmarkersets[msg.id].minzoom != msg.minzoom) {
+					dynmapmarkersets[msg.id].minzoom = msg.minzoom;
 				}			
 			}
 		}
@@ -297,7 +302,9 @@ componentconstructors['markers'] = function(dynmap, configuration) {
 	});
     // Remove marker on map change - let update place it again
 	$(dynmap).bind('mapchanged', function(event) {
+		var zoom = dynmap.map.getZoom();
 		$.each(dynmapmarkersets, function(setname, set) {
+			if((set.minzoomout < 1) || (zoom >= set.minzoom)) {
 				$.each(set.markers, function(mname, marker) {
 					var marker = set.markers[mname];
 					var markerPosition = getPosition(marker);
@@ -308,8 +315,37 @@ componentconstructors['markers'] = function(dynmap, configuration) {
 				$.each(set.areas, function(aname, area) {
 					createArea(set, area, area.timestamp);
 				});
+			}
 		});
 	});
+	$(dynmap).bind('zoomchanged', function(event) {
+		var zoom = dynmap.map.getZoom();
+		$.each(dynmapmarkersets, function(setname, set) {
+			if(set.minzoom > 0) {
+				if(zoom >= set.minzoom) {
+					$.each(set.markers, function(mname, marker) {
+						var marker = set.markers[mname];
+						var markerPosition = getPosition(marker);
+						marker.our_marker.setLatLng(markerPosition);
+						if(dynmap.map.hasLayer(marker.our_marker) == false)
+							set.layergroup.addLayer(marker.our_marker);
+					});
+					$.each(set.areas, function(aname, area) {
+						createArea(set, area, area.timestamp);
+					});
+				}
+				else {
+					$.each(set.markers, function(mname, marker) {
+						set.layergroup.removeLayer(marker.our_marker);
+					});
+					$.each(set.areas, function(aname, area) {
+						set.layergroup.removeLayer(area.our_area);
+					});
+				}
+			}
+		});
+	});
+
 	// Load markers for new world
 	$(dynmap).bind('worldchanged', function(event) {
 		loadmarkers(this.world.name);