webcol/Calima

(function () {
   'use strict';

   angular.module('mobile-angular-ui.core.capture', [])

   .run([
     'Capture', 
     '$rootScope', 
     function(Capture, $rootScope) {
       $rootScope.$on('$routeChangeStart', function() {
         Capture.resetAll();
       });
     }
   ])

   .factory('Capture', [
     '$compile', 
     function($compile) {
       var yielders = {};

       return {
         resetAll: function() {
           for (var name in yielders) {
             this.resetYielder(name);
           }
         },
         
         resetYielder: function(name) {
           var b = yielders[name];
           this.setContentFor(name, b.defaultContent, b.defaultScope);
         },

         putYielder: function(name, element, defaultScope, defaultContent) {
           var yielder = {};
           yielder.name = name;
           yielder.element = element;
           yielder.defaultContent = defaultContent || '';
           yielder.defaultScope = defaultScope;
           yielders[name] = yielder;
         },

         getYielder: function(name) {
           return yielders[name];
         },

         removeYielder: function(name) {
           delete yielders[name];
         },
         
         setContentFor: function(name, content, scope) {
           var b = yielders[name];
           if (!b) {
             return;
           }
           b.element.html(content);
           $compile(b.element.contents())(scope);
         }

       };
     }
   ])

   .directive('uiContentFor', [
     'Capture', 
     function(Capture) {
       return {
         compile: function(tElem, tAttrs) {
           var rawContent = tElem.html();
           if(tAttrs.uiDuplicate === null || tAttrs.uiDuplicate === undefined) {
             // no need to compile anything!
             tElem.html('');
             tElem.remove();
           }
           return function(scope, elem, attrs) {
             Capture.setContentFor(attrs.uiContentFor, rawContent, scope);
           };
         }
       };
     }
   ])

   .directive('uiYieldTo', [
     '$compile', 'Capture', function($compile, Capture) {
       return {
         link: function(scope, element, attr) {
           Capture.putYielder(attr.uiYieldTo, element, scope, element.html());
           element.contents().remove();

           scope.$on('$destroy', function(){
             Capture.removeYielder(attr.uiYieldTo);
           });
         }
       };
     }
   ]);

}());