[AngularJS] Build Your Own ng-controller Directive

浏览数：54 / 时间：2015年06月09日

/**
 * Created by Answer1215 on 12/21/2014.
 */
angular.module(‘app‘, [])
    .controller(‘FirstCtrl‘ , function(){
        var vm = this;
        vm.message = "I am the first controller";
    })

.controller(‘SecondCtrl‘, function() {
        var vm = this;
        vm.message = "I am the second controller";
    })


.directive(‘customerController‘, function() {
        return{

            scope: true, //create a new scope
            controller: ‘@‘, //assing the directive name to this controller
            priority: 500,
            restrict: ‘A‘
        }
    })

<!DOCTYPE html>
<html ng-app="app">
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet" href="bower_components/bootstrap/dist/css/bootstrap.min.css"/>
</head>
<body>

    <div customer-controller="FirstCtrl as first" class="well">{{first.message}}</div>
    <div customer-controller="SecondCtrl as second" class="well">{{second.message}}</div>

<script src="bower_components/angular/angular.min.js"></script>
<script src="app.js"></script>
</body>
</html>

In angular.js src:

var ngControllerDirective = [function() {
  return {
    restrict: ‘A‘,
    scope: true,
    controller: ‘@‘,
    priority: 500
  };
}];

  this.directive = function registerDirective(name, directiveFactory) {
    assertNotHasOwnProperty(name, ‘directive‘);
    if (isString(name)) {
      assertArg(directiveFactory, ‘directiveFactory‘);
      if (!hasDirectives.hasOwnProperty(name)) {
        hasDirectives[name] = [];
        $provide.factory(name + Suffix, [‘$injector‘, ‘$exceptionHandler‘,
          function($injector, $exceptionHandler) {
            var directives = [];
            forEach(hasDirectives[name], function(directiveFactory, index) {
              try {
                var directive = $injector.invoke(directiveFactory);
                if (isFunction(directive)) {
                  directive = { compile: valueFn(directive) };
                } else if (!directive.compile && directive.link) {
                  directive.compile = valueFn(directive.link);
                }
                directive.priority = directive.priority || 0;
                directive.index = index;
                directive.name = directive.name || name;
                directive.require = directive.require || (directive.controller && directive.name);
                directive.restrict = directive.restrict || ‘EA‘;
                if (isObject(directive.scope)) {
                  directive.$$isolateBindings = parseIsolateBindings(directive.scope, directive.name);
                }
                directives.push(directive);
              } catch (e) {
                $exceptionHandler(e);
              }
            });
            return directives;
          }]);
      }
      hasDirectives[name].push(directiveFactory);
    } else {
      forEach(name, reverseParams(registerDirective));
    }
    return this;
  };