Add area marker API implementation

src/main/java/org/dynmap/markers/AreaMarker.java

@@ -0,0 +1,123 @@
+package org.dynmap.markers;
+
+/**
+ * This defines the public interface to an area marker object, for use with the MarkerAPI
+ */
+public interface AreaMarker extends GenericMarker {
+    /**
+     * Get the marker's label
+     */
+    public String getLabel();
+    /**
+     * Update the marker's label (plain text)
+     */
+    public void setLabel(String lbl);
+    /**
+     * Update the marker's label and markup flag
+     * @param label - label string
+     * @param markup - if true, label is processed as HTML (innerHTML for <span> used for label); false implies plaintext
+     */
+    public void setLabel(String lbl, boolean markup);
+    /**
+     * Test if marker label is processed as HTML
+     */
+    public boolean isLabelMarkup();
+    /**
+     * Set marker description (HTML markup shown in popup when clicked)
+     * @param desc - HTML markup description
+     */
+    public void setDescription(String desc);
+    /**
+     * Get marker description
+     * @return descrption
+     */
+    public String getDescription();
+    /**
+     * Get top Y coordinate
+     * @return coordinate
+     */
+    public double getTopY();
+    /**
+     * Get bottom Y coordinate
+     * @return coordinate
+     */
+    public double getBottomY();
+    /**
+     * Set Y coordinate range
+     * @param ytop - y coordinate of top 
+     * @param ybottom - y coordinate of bottom (=top for 2D)
+     */
+    public void setRangeY(double ytop, double ybottom);
+    /**
+     * Get corner location count
+     */
+    public int getCornerCount();
+    /**
+     * Get X coordinate of corner N
+     * @param n - corner index
+     * @return coordinate
+     */
+    public double getCornerX(int n);
+    /**
+     * Get Z coordinate of corner N
+     * @param n - corner index
+     * @return coordinate
+     */
+    public double getCornerZ(int n);
+    /**
+     * Set coordinates of corner N
+     * @param n - index of corner: append new corner if >= corner count, else replace existing
+     * @param x - x coordinate
+     * @param z - z coordinate
+     */
+    public void setCornerLocation(int n, double x, double z);
+    /**
+     * Set/replace all corners
+     * @param x - list of x coordinates
+     * @param z - list of z coordinates
+     */
+    public void setCornerLocations(double[] x, double[] z);
+    /**
+     * Delete corner N - shift corners after N forward
+     * @param n - index of corner
+     */
+    public void deleteCorner(int n);
+    /**
+     * Set line style
+     * @param weight - stroke weight
+     * @param opacity - stroke opacity
+     * @param color - stroke color (0xRRGGBB)
+     */
+    public void setLineStyle(int weight, double opacity, int color);
+    /**
+     * Get line weight
+     * @return weight
+     */
+    public int getLineWeight();
+    /**
+     * Get line opacity
+     * @return opacity (0.0-1.0)
+     */
+    public double getLineOpacity();
+    /**
+     * Get line color
+     * @return color (0xRRGGBB)
+     */
+    public int getLineColor();
+    /**
+     * Set fill style
+     * @param opacity - fill color opacity
+     * @param color - fill color (0xRRGGBB)
+     */
+    public void setFillStyle(double opacity, int color);
+    /**
+     * Get fill opacity
+     * @return opacity (0.0-1.0)
+     */
+    public double getFillOpacity();
+    /**
+     * Get fill color
+     * @return color (0xRRGGBB)
+     */
+    public int getFillColor();
+}

src/main/java/org/dynmap/markers/GenericMarker.java

@@ -0,0 +1,32 @@
+package org.dynmap.markers;
+
+import org.bukkit.Location;
+
+/**
+ * This defines the public interface to a generic marker object, for use with the MarkerAPI
+ */
+public interface GenericMarker {
+    /**
+     * Get ID of the marker (unique string within the MarkerSet)
+     * @return id of marker
+     */
+    public String getMarkerID();
+    /**
+     * Get the marker set for the marker
+     * @return marker set
+     */
+    public MarkerSet getMarkerSet();
+    /**
+     * Delete the marker
+     */
+    public void deleteMarker();
+    /**
+     * Get marker's world ID
+     * @return world id
+     */
+    public String getWorld();
+    /**
+     * Test if marker is persistent
+     */
+    public boolean isPersistentMarker();
+}

src/main/java/org/dynmap/markers/Marker.java

@@ -5,26 +5,7 @@ import org.bukkit.Location;
 /**
  * This defines the public interface to a marker object, for use with the MarkerAPI
  */
-public interface Marker {
-    /**
-     * Get ID of the marker (unique string within the MarkerSet)
-     * @return id of marker
-     */
-    public String getMarkerID();
-    /**
-     * Get the marker set for the marker
-     * @return marker set
-     */
-    public MarkerSet getMarkerSet();
-    /**
-     * Delete the marker
-     */
-    public void deleteMarker();
-    /**
-     * Get marker's world ID
-     * @return world id
-     */
-    public String getWorld();
+public interface Marker extends GenericMarker {
     /**
      * Get marker's X coordinate
      * @return x coordinate
@@ -59,10 +40,6 @@ public interface Marker {
      * @return true if new marker icon set, false if not allowed
      */
     public boolean setMarkerIcon(MarkerIcon icon);
-    /**
-     * Test if marker is persistent
-     */
-    public boolean isPersistentMarker();
     /**
      * Get the marker's label
      */

src/main/java/org/dynmap/markers/MarkerSet.java

@@ -15,6 +15,11 @@ public interface MarkerSet {
      * @return set of markers (set is copy - safe to iterate)
      */
     public Set<Marker> getMarkers();
+    /**
+     * Get set of all area markers currently in the set
+     * @return set of area markers (set is copy - safe to iterate)
+     */
+    public Set<AreaMarker> getAreaMarkers();
     /**
      * Create a new marker in the marker set
      * 
@@ -56,6 +61,31 @@ public interface MarkerSet {
      * @return marker, or null if none found
      */
     public Marker   findMarkerByLabel(String lbl);
+    /** 
+     * Create area marker
+     * @param id - marker ID
+     * @param lbl - label
+     * @param markup - if true, label is HTML markup
+     * @param world - world id
+     * @param x - x coord list
+     * @param z - z coord list
+     * @param ytop - top y coordinate
+     * @param ybottom - bottom y coordinate
+     * @param persistent - true if persistent
+     */
+    public AreaMarker createAreaMarker(String id, String lbl, boolean markup, String world, double x[], double z[], double ytop, double ybottom, boolean persistent);
+    /**
+     * Get area marker by ID
+     * @param id - ID of the area marker
+     * @return marker, or null if cannot be found
+     */
+    public AreaMarker   findAreaMarker(String id);
+    /**
+     * Find area marker by label - best matching substring
+     * @param lbl - label to find (same = best match)
+     * @return marker, or null if none found
+     */
+    public AreaMarker   findAreaMarkerByLabel(String lbl);
     /**
      * Get ID of marker set - unique among marker sets
      * @return ID

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

@@ -0,0 +1,326 @@
+package org.dynmap.markers.impl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.bukkit.Location;
+import org.bukkit.util.config.ConfigurationNode;
+import org.dynmap.markers.AreaMarker;
+import org.dynmap.markers.MarkerIcon;
+import org.dynmap.markers.MarkerSet;
+import org.dynmap.markers.impl.MarkerAPIImpl.MarkerUpdate;
+
+class AreaMarkerImpl implements AreaMarker {
+    private String markerid;
+    private String label;
+    private boolean markup;
+    private String desc;
+    private MarkerSetImpl markerset;
+    private String world;
+    private boolean ispersistent;
+    private ArrayList<Coord> corners;
+    private int lineweight = 3;
+    private double lineopacity = 0.8;
+    private int linecolor = 0xFF0000;
+    private double fillopacity = 0.35;
+    private int fillcolor = 0xFF0000;
+    private double ytop = 64.0;
+    private double ybottom = 64.0;
+    
+    private static class Coord {
+        double x, z;
+        Coord(double x, double z) {
+            this.x = x; this.z = z;
+        }
+    }
+    
+    /** 
+     * Create area marker
+     * @param id - marker ID
+     * @param lbl - label
+     * @param markup - if true, label is HTML markup
+     * @param world - world id
+     * @param x - x coord list
+     * @param z - z coord list
+     * @param ytop - top y coordinate
+     * @param ybottom - bottom y coordinate
+     * @param persistent - true if persistent
+     * @param set - marker set
+     */
+    AreaMarkerImpl(String id, String lbl, boolean markup, String world, double x[], double z[], double ytop, double ybottom, boolean persistent, MarkerSetImpl set) {
+        markerid = id;
+        if(lbl != null)
+            label = lbl;
+        else
+            label = id;
+        this.markup = markup;
+        this.corners = new ArrayList<Coord>();
+        for(int i = 0; i < x.length; i++) {
+            this.corners.add(new Coord(x[i], z[i]));
+        }
+        this.ytop = ytop;
+        this.ybottom = ybottom;
+        this.world = world;
+        this.desc = null;
+        ispersistent = persistent;
+        markerset = set;
+    }
+    /**
+     * Make bare area marker - used for persistence load
+     *  @param id - marker ID
+     *  @param set - marker set
+     */
+    AreaMarkerImpl(String id, MarkerSetImpl set) {
+        markerid = id;
+        markerset = set;
+        label = id;
+        markup = false;
+        desc = null;
+        corners = new ArrayList<Coord>();
+        world = "world";
+    }
+    /**
+     *  Load marker from configuration node
+     *  @param node - configuration node
+     */
+    boolean loadPersistentData(ConfigurationNode node) {
+        label = node.getString("label", markerid);
+        markup = node.getBoolean("markup", false);
+        ytop = node.getDouble("ytop", 64.0);
+        ybottom = node.getDouble("ybottom", 64.0);
+        List<Double> xx = node.getDoubleList("x", null);
+        List<Double> zz = node.getDoubleList("z", null);
+        corners.clear();
+        if((xx != null) && (zz != null)) {
+            for(int i = 0; (i < xx.size()) && (i < zz.size()); i++)
+                corners.add(new Coord(xx.get(i), zz.get(i)));
+        }
+        world = node.getString("world", "world");
+        desc = node.getString("desc", null);
+        lineweight = node.getInt("strokeWeight", 3);
+        lineopacity = node.getDouble("strokeOpacity", 0.8);
+        linecolor = node.getInt("strokeColor", 0xFF0000);
+        fillopacity = node.getDouble("fillOpacity", 0.35);
+        fillcolor = node.getInt("fillColor", 0xFF0000);
+        ispersistent = true;    /* Loaded from config, so must be */
+        
+        return true;
+    }
+    
+    void cleanup() {
+        corners.clear();
+        markerset = null;
+    }
+    
+    @Override
+    public String getMarkerID() {
+        return markerid;
+    }
+
+    @Override
+    public MarkerSet getMarkerSet() {
+        return markerset;
+    }
+
+    @Override
+    public void deleteMarker() {
+        markerset.removeAreaMarker(this);   /* Remove from our marker set (notified by set) */
+        cleanup();
+    }
+
+    @Override
+    public boolean isPersistentMarker() {
+        return ispersistent;
+    }
+
+    @Override
+    public String getLabel() {
+        return label;
+    }
+
+    @Override
+    public void setLabel(String lbl) {
+        setLabel(lbl, false);
+    }
+    
+    @Override
+    public void setLabel(String lbl, boolean markup) {
+        label = lbl;
+        this.markup = markup;
+        MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+        if(ispersistent)
+            MarkerAPIImpl.saveMarkers();
+    }
+
+    /**
+     * Get configuration node to be saved
+     * @return node
+     */
+    Map<String, Object> getPersistentData() {
+        if(!ispersistent)   /* Nothing if not persistent */
+            return null;
+        HashMap<String, Object> node = new HashMap<String, Object>();
+        node.put("label", label);
+        node.put("markup", markup);
+        double[] xx = new double[corners.size()];
+        double[] zz = new double[corners.size()];
+        for(int i = 0; i < xx.length; i++) {
+            xx[i] = corners.get(i).x;
+            zz[i] = corners.get(i).z;
+        }
+        node.put("x", xx);
+        node.put("ytop", Double.valueOf(ytop));
+        node.put("ybottom", Double.valueOf(ybottom));
+        node.put("z", zz);
+        node.put("world", world);
+        if(desc != null)
+            node.put("desc", desc);
+        node.put("stokeWeight", lineweight);
+        node.put("strokeOpacity", lineopacity);
+        node.put("strokeColor", linecolor);
+        node.put("fillOpacity", fillopacity);
+        node.put("fillColor", fillcolor);
+
+        return node;
+    }
+    @Override
+    public String getWorld() {
+        return world;
+    }
+    @Override
+    public boolean isLabelMarkup() {
+        return markup;
+    }
+    @Override
+    public void setDescription(String desc) {
+        if((this.desc == null) || (this.desc.equals(desc) == false)) {
+            this.desc = desc;
+            MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+            if(ispersistent)
+                MarkerAPIImpl.saveMarkers();
+        }
+    }
+    /**
+     * Get marker description
+     * @return descrption
+     */
+    public String getDescription() {
+        return this.desc;
+    }
+    @Override
+    public double getTopY() {
+        return ytop;
+    }
+    @Override
+    public double getBottomY() {
+        return ybottom;
+    }
+    @Override
+    public void setRangeY(double ytop, double ybottom) {
+        if((this.ytop != ytop) || (this.ybottom != ybottom)) {
+            this.ytop = ytop;
+            this.ybottom = ybottom;
+            MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+            if(ispersistent)
+                MarkerAPIImpl.saveMarkers();
+        }
+    }
+    @Override
+    public int getCornerCount() {
+        return corners.size();
+    }
+    @Override
+    public double getCornerX(int n) {
+        Coord c = corners.get(n);
+        if(c != null)
+            return c.x;
+        return 0;
+    }
+    @Override
+    public double getCornerZ(int n) {
+        Coord c = corners.get(n);
+        if(c != null)
+            return c.z;
+        return 0;
+    }
+    @Override
+    public void setCornerLocation(int n, double x, double z) {
+        Coord c;
+        if(n >= corners.size()) {
+            corners.add(new Coord(x, z));
+        }
+        else {
+            c = corners.get(n);
+            if((c.x == x) && (c.z == z))
+                return;
+            c.x = x;
+            c.z = z;
+        }
+        MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+        if(ispersistent)
+            MarkerAPIImpl.saveMarkers();
+    }
+    @Override
+    public void deleteCorner(int n) {
+        if(n < corners.size()) {
+            corners.remove(n);
+            MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+            if(ispersistent)
+                MarkerAPIImpl.saveMarkers();
+        }
+    }
+    @Override
+    public void setCornerLocations(double[] x, double[] z) {
+        corners.clear();
+        for(int i = 0; (i < x.length) && (i < z.length); i++) {
+            corners.add(new Coord(x[i], z[i]));
+        }
+        MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+        if(ispersistent)
+            MarkerAPIImpl.saveMarkers();
+    }
+    @Override
+    public void setLineStyle(int weight, double opacity, int color) {
+        if((weight != lineweight) || (opacity != lineopacity) || (color != linecolor)) {
+            lineweight = weight;
+            lineopacity = opacity;
+            linecolor = color;
+            MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+            if(ispersistent)
+                MarkerAPIImpl.saveMarkers();
+        }
+    }
+    @Override
+    public int getLineWeight() {
+        return lineweight;
+    }
+    @Override
+    public double getLineOpacity() {
+        return lineopacity;
+    }
+    @Override
+    public int getLineColor() {
+        return linecolor;
+    }
+    @Override
+    public void setFillStyle(double opacity, int color) {
+        if((opacity != fillopacity) || (color != fillcolor)) {
+            fillopacity = opacity;
+            fillcolor = color;
+            MarkerAPIImpl.areaMarkerUpdated(this, MarkerUpdate.UPDATED);
+            if(ispersistent)
+                MarkerAPIImpl.saveMarkers();
+        }
+    }
+    @Override
+    public double getFillOpacity() {
+        return fillopacity;
+    }
+    @Override
+    public int getFillColor() {
+        return fillcolor;
+    }
+}

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

@@ -31,6 +31,7 @@ import org.dynmap.Event;
 import org.dynmap.Log;
 import org.dynmap.MapManager;
 import org.dynmap.Client.ComponentMessage;
+import org.dynmap.markers.AreaMarker;
 import org.dynmap.markers.Marker;
 import org.dynmap.markers.MarkerAPI;
 import org.dynmap.markers.MarkerIcon;
@@ -90,7 +91,47 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
                 msg = "markerupdated";
         }
     }
-    
+
+    public static class AreaMarkerUpdated extends MarkerComponentMessage {
+        public String msg;
+        public double ytop, ybottom;
+        public double[] x;
+        public double[] z;
+        public int strokeWeight;
+        public double strokeOpacity;
+        public int strokeColor;
+        public double fillOpacity;
+        public int fillColor;
+        public String id;
+        public String label;
+        public String set;
+        
+        public AreaMarkerUpdated(AreaMarker m, boolean deleted) {
+            this.id = m.getMarkerID();
+            this.label = m.getLabel();
+            this.ytop = m.getTopY();
+            this.ybottom = m.getBottomY();
+            int cnt = m.getCornerCount();
+            x = new double[cnt];
+            z = new double[cnt];
+            for(int i = 0; i < cnt; i++) {
+                x[i] = m.getCornerX(i);
+                z[i] = m.getCornerZ(i);
+            }
+            strokeColor = m.getLineColor();
+            strokeWeight = m.getLineWeight();
+            strokeOpacity = m.getFillOpacity();
+            fillColor = m.getFillColor();
+            fillOpacity = m.getFillOpacity();
+            
+            this.set = m.getMarkerSet().getMarkerSetID();
+            if(deleted) 
+                msg = "areamarkerdeleted";
+            else
+                msg = "areamarkerupdated";
+        }
+    }
+
     public static class MarkerSetUpdated extends MarkerComponentMessage {
         public String msg;
         public String id;
@@ -386,6 +427,19 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
         if(MapManager.mapman != null)
             MapManager.mapman.pushUpdate(marker.getWorld(), new MarkerUpdated(marker, update == MarkerUpdate.DELETED));
     }
+    /**
+     * Signal area marker update
+     * @param marker - updated marker
+     * @param update - type of update
+     */
+    static void areaMarkerUpdated(AreaMarkerImpl marker, MarkerUpdate update) {
+        /* Freshen marker file for the world for this marker */
+        if(api != null)
+            api.writeMarkersFile(marker.getWorld());
+        /* Enqueue client update */
+        if(MapManager.mapman != null)
+            MapManager.mapman.pushUpdate(marker.getWorld(), new AreaMarkerUpdated(marker, update == MarkerUpdate.DELETED));
+    }
     /**
      * Signal marker set update
      * @param markerset - updated marker set
@@ -1060,6 +1114,31 @@ public class MarkerAPIImpl implements MarkerAPI, Event.Listener<DynmapWorld> {
                 markers.put(m.getMarkerID(), mdata);
             }
             msdata.put("markers", markers); /* Add markers to set data */
+
+            HashMap<String, Object> areas = new HashMap<String, Object>();
+            for(AreaMarker m : ms.getAreaMarkers()) {
+                if(m.getWorld().equals(wname) == false) continue;
+                
+                HashMap<String, Object> mdata = new HashMap<String, Object>();
+                int cnt = m.getCornerCount();
+                double xx[] = new double[cnt];
+                double zz[] = new double[cnt];
+                for(int i = 0; i < cnt; i++) {
+                    xx[i] = m.getCornerX(i);
+                    zz[i] = m.getCornerZ(i);
+                }
+                mdata.put("x", xx);
+                mdata.put("ytop", m.getTopY());
+                mdata.put("ybottom", m.getBottomY());
+                mdata.put("z", zz);
+                mdata.put("label", m.getLabel());
+                mdata.put("markup", m.isLabelMarkup());
+                if(m.getDescription() != null)
+                    mdata.put("desc", m.getDescription());
+                /* Add to markers */
+                areas.put(m.getMarkerID(), mdata);
+            }
+            msdata.put("areas", areas); /* Add areamarkers to set data */
             
             markerdata.put(ms.getMarkerSetID(), msdata);    /* Add marker set data to world marker data */
         }

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

@@ -10,6 +10,7 @@ import java.util.Set;
 import org.bukkit.Location;
 import org.bukkit.util.config.ConfigurationNode;
 import org.dynmap.Log;
+import org.dynmap.markers.AreaMarker;
 import org.dynmap.markers.Marker;
 import org.dynmap.markers.MarkerIcon;
 import org.dynmap.markers.MarkerSet;
@@ -17,6 +18,7 @@ import org.dynmap.markers.impl.MarkerAPIImpl.MarkerUpdate;
 
 class MarkerSetImpl implements MarkerSet {
     private HashMap<String, MarkerImpl> markers = new HashMap<String, MarkerImpl>();
+    private HashMap<String, AreaMarkerImpl> areamarkers = new HashMap<String, AreaMarkerImpl>();
     private String setid;
     private String label;
     private HashMap<String, MarkerIconImpl> allowedicons = null;
@@ -49,6 +51,8 @@ class MarkerSetImpl implements MarkerSet {
     void cleanup() {
         for(MarkerImpl m : markers.values())
             m.cleanup();
+        for(AreaMarkerImpl m : areamarkers.values())
+            m.cleanup();
         markers.clear();
     }
     
@@ -57,6 +61,11 @@ class MarkerSetImpl implements MarkerSet {
         return new HashSet<Marker>(markers.values());
     }
 
+    @Override
+    public Set<AreaMarker> getAreaMarkers() {
+        return new HashSet<AreaMarker>(areamarkers.values());
+    }
+
     @Override
     public Marker createMarker(String id, String label, String world, double x, double y, double z, MarkerIcon icon, boolean is_persistent) {
         return createMarker(id, label, false, world, x, y, z, icon, is_persistent);
@@ -196,6 +205,18 @@ class MarkerSetImpl implements MarkerSet {
         }
         MarkerAPIImpl.markerUpdated(marker, MarkerUpdate.DELETED);
     }
+    /**
+     * Remove marker from set
+     * 
+     * @param marker
+     */
+    void removeAreaMarker(AreaMarkerImpl marker) {
+        markers.remove(marker.getMarkerID());   /* Remove from set */
+        if(ispersistent && marker.isPersistentMarker()) {   /* If persistent */
+            MarkerAPIImpl.saveMarkers();        /* Drive save */
+        }
+        MarkerAPIImpl.areaMarkerUpdated(marker, MarkerUpdate.DELETED);
+    }
 
     /**
      * Get configuration node to be saved
@@ -211,6 +232,13 @@ class MarkerSetImpl implements MarkerSet {
                 node.put(id, m.getPersistentData());
             }
         }
+        HashMap<String, Object> anode = new HashMap<String, Object>();
+        for(String id : areamarkers.keySet()) {
+            AreaMarkerImpl m = areamarkers.get(id);
+            if(m.isPersistentMarker()) {
+                anode.put(id, m.getPersistentData());
+            }
+        }
         /* Make top level node */
         HashMap<String, Object> setnode = new HashMap<String, Object>();
         setnode.put("label", label);
@@ -219,6 +247,7 @@ class MarkerSetImpl implements MarkerSet {
             setnode.put("allowedicons", allowed);
         }
         setnode.put("markers", node);
+        setnode.put("areas", anode);
         setnode.put("hide", hide_by_def);
         setnode.put("layerprio", prio);
         return setnode;
@@ -243,6 +272,19 @@ class MarkerSetImpl implements MarkerSet {
                 }
             }
         }
+        ConfigurationNode areamarkernode = node.getNode("areas");
+        if(areamarkernode != null) {
+            for(String id : areamarkernode.getKeys()) {
+                AreaMarkerImpl marker = new AreaMarkerImpl(id, this);   /* Make and load marker */
+                if(marker.loadPersistentData(areamarkernode.getNode(id))) {
+                    areamarkers.put(id, marker);
+                }
+                else {
+                    Log.info("Error loading area marker '" + id + "' for set '" + setid + "'");
+                    marker.cleanup();
+                }
+            }
+        }
         List<String> allowed = node.getStringList("allowedicons", null);
         if(allowed != null) {
             for(String id : allowed) {
@@ -286,4 +328,46 @@ class MarkerSetImpl implements MarkerSet {
         return this.prio;
     }
 
+    @Override
+    public AreaMarker createAreaMarker(String id, String lbl, boolean markup, String world, double[] x, double[] z, double ytop, double ybottom, boolean persistent) {
+        if(id == null) {    /* If not defined, generate unique one */
+            int i = 0;
+            do {
+                i++;
+                id = "area_" + i; 
+            } while(areamarkers.containsKey(id));
+        }
+        if(areamarkers.containsKey(id)) return null;    /* Duplicate ID? */
+        /* Create marker */
+        persistent = persistent && this.ispersistent;
+        AreaMarkerImpl marker = new AreaMarkerImpl(id, label, markup, world, x, z, ytop, ybottom, persistent, this);
+        areamarkers.put(id, marker);    /* Add to set */
+        if(persistent)
+            MarkerAPIImpl.saveMarkers();
+        
+        MarkerAPIImpl.areaMarkerUpdated(marker, MarkerUpdate.CREATED);  /* Signal create */
+
+        return marker;
+    }
+
+    @Override
+    public AreaMarker findAreaMarker(String id) {
+        return areamarkers.get(id);
+    }
+
+    @Override
+    public AreaMarker findAreaMarkerByLabel(String lbl) {
+        AreaMarker match = null;
+        int matchlen = Integer.MAX_VALUE;
+        for(AreaMarker m : areamarkers.values()) {
+            if(m.getLabel().contains(lbl)) {
+                if(matchlen > m.getLabel().length()) {
+                    match = m;
+                    matchlen = m.getLabel().length();
+                }
+            }
+        }
+        return match;
+    }
+
 }