javascript - AngularJS - 如何对动态编译和添加的 ng-include 进行动画处理

标签 javascript css animation angularjs

我有以下 AngularJS (v1.1.4) 代码,并尝试在将 ng-include 添加到 DOM 时淡入(动画)它。我究竟做错了什么?另外,如果有人可以建议一种更好的方法将添加/设置/删除命令传递给指令而不是观察“action”属性,我们将不胜感激。

Plunker在这里:http://plnkr.co/edit/rcgpI0n8fGWj6o01Mp3b?p=preview

index.html

<!doctype html>
<html ng-app="plunker" >
<head>
  <meta charset="utf-8">
  <title>AngularJS Plunker</title>
  <link rel="stylesheet" href="styles.css" />
  <script>document.write('<base href="' + document.location + '" />');</script>
  <script src="http://code.angularjs.org/1.1.4/angular.js"></script>
  <script src="app.js"></script>
</head>
<body ng-controller="MainCtrl">

  <button ng-click="loadPartial('partial1.html')">Click to load partial 1</button>
  <button ng-click="loadPartial('partial2.html')">Click to load partial 2</button>
  <button ng-click="loadPartial('partial3.html')">Click to load partial 3</button>

  <div views></div>

</body>
</html>

app.js

var app = angular.module('plunker', []);

app.controller('MainCtrl', ['$scope', 'viewsAPI', function(scope, viewsAPI) {

  scope.loadPartial = function (name) {
    viewsAPI.addView(name);
  };

}]);


app.factory('viewsAPI', function () {

    return {
        views: [],
        action: null,
        addView: function (viewName, options) {
            var view = { name: viewName, options: options };
            this.action = { type: 'add', view: view };
        },
        setView: function (viewName, options) {
            var view = { name: viewName, options: options };
            this.action = { type: 'set', view: view };
        },
        removeView: function () {
            this.action = { type: 'remove' };
        }
    }
});


app.directive('views', ['$compile', function (compile) {

    return {
        restrict: 'A',
        scope: {},
        replace: true,
        template: '<div class="views"></div>',

        controller: ['$scope', 'viewsAPI', function (scope, viewsAPI) {

            scope.api = viewsAPI;

            scope.$watch('api.action', actionChange, true);

            function actionChange (action) {

                if (!action) return;

                if (action.type == 'add') {
                    var view = scope.addView(action.view);
                    scope.api.views.push(view);
                }
                else if (action.type == 'set') {
                    scope.setView(action.view);
                }
                else if (action.type == 'remove') {
                    scope.removeView();
                }
            }
        }],

        link: function (scope, elm) {

            scope.addView = function (view) {
                var v = compile('<div class="view-wrapper" ng-include="\'' + view.name + '\'" ng-animate="fade"></div>')(scope);
                elm.append(v);
                return v;
            };

            scope.setView = function (view) {
            };

            scope.removeView = function () {
            };
        }
    };
}]);

样式.css

.fade-enter-setup { -webkit-transition: all 3s linear; opacity: 0; }
.fade-enter-setup { opacity: 1; }

part1.html

<div>Hello I am a partial 1</div>

partial2.html

<div>PARTIAL 2-------------------</div>

partial3.html

<div>
33333333333333333333333333
<br />
this is partial 3
<br />
33333333333333333333333333
</div>

最佳答案

如果您仍然感兴趣,我今天无意中创建了一个 plunker,它应该可以回答您很久以前的问题。

http://plnkr.co/Gd5f6J

现在,在最新的 1.2 稳定版本中,如果 Angular 找到 ngAnimate 模块,它会向 dom 添加特定的 css 类,当检测到 ng-if、ng-switch、ng-view 等内置指令时,该子元素将被添加到 dom 中。已经改变。这些类会触发您的 CSS 转换,因此如果您的 View 部分需要很长时间才能加载,动画将在完全加载后开始。

index.html:

<div class="view-animate-container">
  <div class="well slide" ng-view>
    <!-- view container. Asynchronously loaded view templates are placed here -->
  </div>
</div>

app.js:

angular.module('myApp', ['ngRoute', 'ngAnimate'])
.run(function($rootScope, $location){
  $rootScope.matchesRoute = function() {
    for(var i=0; i<arguments.length; i++) {
      if($location.path() === arguments[i]) {
        return true;
      }
    }
    return false;
  }
})
.config(function($routeProvider) {
    $routeProvider
      .when('/bellsAndWhistles', {templateUrl: 'bellsAndWhistles.html', controller: angular.noop()})
      .when('/about',            {templateUrl: 'about.html',            controller: angular.noop()})
      .otherwise({redirectTo: '', templateUrl: 'home.html'});
});

样式.css:

html, body{
  height: 100%;
}

.view-animate-container {
    position: relative;
    overflow: hidden;
    height:100%;
}

.view-animate-container > .slide.ng-enter,
.view-animate-container > .slide.ng-leave {
    -webkit-transition: all ease 0.5s;
       -moz-transition: all ease 0.5s;
         -o-transition: all ease 0.5s;
            transition: all ease 0.5s;  
    width: 100%;
    position:absolute;
}

.view-animate-container > .slide.ng-enter {
    left:100%;
    opacity: 0;
}
.view-animate-container > .slide.ng-enter.ng-enter-active {
    left:0;
    opacity: 1;
}
.view-animate-container > .slide.ng-leave.ng-leave-active {
    left: -100%;
    opacity: 0;
}

关于javascript - AngularJS - 如何对动态编译和添加的 ng-include 进行动画处理,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16462183/

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