fixed depth info when added overlapping layer

src/components/cards.js

@@ -247,8 +247,10 @@ var STWkit;
                             default:
                                 break;
                         }
-                        if (self.forcingBoundary)
+                        if (self.forcingBoundary) {
                             self.forcingBoundary.validate(coordinates);
+                            self.forcingBoundary.addListener(self.control.layers);
+                        }
                         self.control.showTable();
                         self.hasPosition = true;
                         validate();
@@ -381,8 +383,10 @@ var STWkit;
         LocationCard.prototype.clear = function () {
             var self = this;
             _super.prototype.clear.call(this);
-            if (self.forcingBoundary)
+            if (self.forcingBoundary) {
                 self.forcingBoundary.hide();
+                self.forcingBoundary.removeListener(self.control.layers);
+            }
             self.control.clear();
             self.control.hideTable();
             if (self.nextButton)

src/components/cards.ts

@@ -270,7 +270,10 @@ module STWkit {
                             default:
                                 break;
                         }
-                        if (self.forcingBoundary) self.forcingBoundary.validate(coordinates);
+                        if (self.forcingBoundary) {
+                            self.forcingBoundary.validate(coordinates);
+                            self.forcingBoundary.addListener(self.control.layers);
+                        }
                         self.control.showTable();
                         self.hasPosition = true;
                         validate();
@@ -412,7 +415,10 @@ module STWkit {
         public clear() {
             var self = this;
             super.clear();
-            if (self.forcingBoundary) self.forcingBoundary.hide();        
+            if (self.forcingBoundary) {
+                self.forcingBoundary.hide();
+                self.forcingBoundary.removeListener(self.control.layers);
+            }        
             self.control.clear();
             self.control.hideTable();
             if (self.nextButton) AccordionCard.enableNext(self.nextButton, false);