From 93f78be87ce32b3bee644f2ce93233eed9ee6019 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@socioambiental.org>
Date: Tue, 12 Mar 2013 14:53:50 -0300
Subject: Cleanup and code for toggleKML()

---
 gmap_arcgis.js | 50 +++++++++++++++++++++++++++++---------------------
 1 file changed, 29 insertions(+), 21 deletions(-)

diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index e7042fd..61bee34 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -2,26 +2,24 @@
 
 function gmapArcgis(config) {
   return {
-    config:         config,
-
-    map:            config.map,
-
-    slider:  [],
+    // Storable properties
+    config: config,
+    map:    config.map,
+    slider: [],
 
     // Set the current map
     setMap: function(map) {
       this.map = map;
     },
 
+    // Get the default opacity of an layer element
+    defaultOpacity: function(element) {
+      return (this.config['layers'][element].opacity != undefined) ? this.config['layers'][element].opacity : 0.55;
+    },
+
     // Add polygons from a given ArcGIS MapServer Layer
     showPolygon: function(element) {
-      var defaultOpacity = (this.config['layers'][element].opacity != undefined) ? this.config['layers'][element].opacity : 0.55;
-    
-      if (typeof this.config['layers'][element].overlay != 'undefined') {
-        this.config['layers'][element].overlay.setOpacity(defaultOpacity);
-        this.unblockUI();
-        return;
-      }
+      var defaultOpacity = this.defaultOpacity(element);
     
       uri    = this.config['layers'][element]['uri'];
       layers = this.config['layers'][element]['layers'];
@@ -53,13 +51,15 @@ function gmapArcgis(config) {
     showKML: function(element) {
       this.config['kmls'][element].overlay = new google.maps.KmlLayer(this.config['kmls'][element].uri);
       this.config['kmls'][element].overlay.setMap(this.map);
+      this.config['kmls'][element].isVisible = true;
     },
 
     // Add a KML layer into the map
     addKML: function(element) {
       if (typeof this.config['kmls'][element].overlay != 'undefined') {
-        this.config['kmls'][element].overlay.setOpacity(this.config['kmls'][element].opacity);
-        unblockUI();
+        this.config['kmls'][element].overlay.setMap(this.map);
+        this.config['kmls'][element].isVisible = true;
+        this.unblockUI();
         return this.config['kmls'][element].overlay;
       }
     
@@ -72,8 +72,10 @@ function gmapArcgis(config) {
     
     // Add a layer to the map
     addLayers: function(element) {
+      var defaultOpacity = this.defaultOpacity(element);
+
       if (typeof this.config['layers'][element].overlay != 'undefined') {
-        this.config['layers'][element].overlay.setOpacity(this.config['layers'][element].opacity);
+        this.config['layers'][element].overlay.setOpacity(this.config['layers'][element].defaultOpacity);
         this.unblockUI();
         return this.config['layers'][element].overlay;
       }
@@ -169,9 +171,16 @@ function gmapArcgis(config) {
     },
 
     // Toggle KML visibility
-    toggleKML: function(params) {
-      // TODO
-      return;
+    toggleKML: function(element) {
+      if (this.config['kmls'][element].overlay == undefined) {
+        return;
+      } else if (this.config['kmls'][element].isVisible == true) {
+        this.config['kmls'][element].isVisible = false;
+        this.config['kmls'][element].overlay.setMap();
+      } else {
+        this.config['kmls'][element].isVisible = true;
+        this.config['kmls'][element].overlay.setMap(this.map);
+      }
     },
     
     // Toggle layer visibility
@@ -253,7 +262,7 @@ function gmapArcgis(config) {
     },
 
     // Setup slider
-    activateSlider: function() {
+    slider: function() {
       var self = this;
 
       // Max is the number of layers in the service
@@ -263,8 +272,7 @@ function gmapArcgis(config) {
           max:  11,
           step:  1,
           animate: true,
-          //change: sliderUpdate,
-          change: function(event, ui) {
+          change:  function(event, ui) {
             self.sliderUpdate.call(self, ui.value);
           },
       });
-- 
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