From 37f64f4025f65e6d91c3ee76a6483fa83aca4efe Mon Sep 17 00:00:00 2001
From: Silvio <silvio@socioambiental.org>
Date: Wed, 31 Jul 2013 19:30:21 -0300
Subject: Implementing block/unblock with a list of block requests

---
 gmap_arcgis.js | 59 +++++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 44 insertions(+), 15 deletions(-)

diff --git a/gmap_arcgis.js b/gmap_arcgis.js
index 11be1c5..315fa08 100644
--- a/gmap_arcgis.js
+++ b/gmap_arcgis.js
@@ -24,6 +24,7 @@ function gmapArcgis(config) {
     }
   }
 
+  // TODO: needs debug and fixing
   // Return a Gmap ArcGIS object
   return {
     // Storable properties
@@ -31,17 +32,43 @@ function gmapArcgis(config) {
     map:    (config.map != undefined) ? config.map : null,
 
     // UI unblocker wrapper
-    unblockUI: function() {
-      jQuery.unblockUI();
+    unblockUI: function(name) {
+      if (window.blockUI == undefined) {
+        window.blockUI = [ ];
+      }
+
+      if (name == undefined) {
+        name = 'default';
+      }
+
+      if (window.blockUI[name] != undefined && window.blockUI[name] == true) {
+        var index = window.blockUI.indexOf(name);
+        window.blockUI = window.blockUI.splice(index, 1);
+      }
+
+      if (window.blockUI.length == 0) {
+        jQuery.unblockUI();
+      }
     },
 
     // UI blocker wrapper
     blockUI: function(params) {
-      jQuery.blockUI(params);
+      if (window.blockUI == undefined) {
+        window.blockUI = [ ];
+      }
+
+      if (params.name == undefined) {
+        params.name = 'default';
+      }
+
+      if (window.blockUI[params.name] == undefined || window.blockUI[params.name] != true) {
+        window.blockUI[params.name] = true;
+        jQuery.blockUI(params);
+      }
     },
 
     // Block the UI and show an overlay
-    showOverlay: function(t) {
+    showOverlay: function(name, timeout) {
       if (this.config.disableOverlay != undefined && this.config.disableOverlay == true) {
         return;
       }
@@ -57,14 +84,13 @@ function gmapArcgis(config) {
         }
 
         var params = {
+          name:            name,
           message:         message,
           css:             css,
-          onUnblock:       this.unBlockUI,
-          ignoreIfBlocked: true,
         };
 
-        if (t != false) {
-          params.timeout = t;
+        if (timeout != false) {
+          params.timeout = timeout;
         }
 
         this.blockUI(params);
@@ -77,7 +103,7 @@ function gmapArcgis(config) {
         this.showOverlay(this.config[section][element].overlayTime);
       }
       else if (this.config[section][element].overlayTime != false) {
-        this.showOverlay();
+        this.showOverlay(section + '_' + element);
       }
     },
 
@@ -128,12 +154,14 @@ function gmapArcgis(config) {
       if (params.callback == undefined) {
         // Default callback: remove the blockUI once the layer is shown
         google.maps.event.addListener(params.overlay, 'drawend', function() {
+          // TODO
           self.unblockUI();
         });
       }
       else {
         google.maps.event.addListener(params.overlay, 'drawend', function() {
           params.callback(this.map, params);
+          // TODO
           self.unblockUI();
         });
       }
@@ -210,7 +238,7 @@ function gmapArcgis(config) {
 
       this.config['kmls'][element].overlay.setMap(this.map);
       this.config['kmls'][element].isVisible = true;
-      this.unblockUI();
+      this.unblockUI('kmls_' + element);
     },
 
     // Add a KML layer into the map
@@ -243,7 +271,7 @@ function gmapArcgis(config) {
           }
         }
 
-        this.unblockUI();
+        this.unblockUI('layers_' + element);
         return;
       }
     
@@ -258,7 +286,7 @@ function gmapArcgis(config) {
 
       if (typeof this.config['sliders'][slider].overlays[layer] != 'undefined') {
         this.config['sliders'][slider].overlays[layer].setOpacity(this.config['sliders'][slider].opacity);
-        this.unblockUI();
+        this.unblockUI('sliders_' + slider);
       }
 
       this.showOverlayIf('sliders', slider);
@@ -342,7 +370,7 @@ function gmapArcgis(config) {
           self.config['markers'][element].overlay[i].addListener();
         }
     
-        self.unblockUI();
+        self.unblockUI('markers_' + element);
       }
     },
 
@@ -576,6 +604,7 @@ function gmapArcgis(config) {
           self.setCenter(center, true);
         }
 
+        // TODO
         self.unblockUI();
         return params.overlay;
       });
@@ -619,7 +648,7 @@ function gmapArcgis(config) {
     addPanoramio: function() {
       if (this.config.panoramio.panoramioLayer == undefined) {
         var self = this;
-        this.showOverlay();
+        this.showOverlay('panoramio');
 
         var photoDiv                         = document.createElement('div');
         var photoWidgetOptions               = this.config.panoramio.photoWidgetOptions;
@@ -663,7 +692,7 @@ function gmapArcgis(config) {
         }
       }
 
-      this.unblockUI();
+      this.unblockUI('panoramio');
     },
 
     // Set the current map center, optionally updating the map
-- 
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