我想将一个Ember组件ComponentB
附加到一个DOM元素,该元素由didInsertElement
ComponentA
上的某个非Ember UI库生成,结果类似于
<div class='ember-view component-a'>
<div class='i-know-nothing-of-ember'>
<div class='ember-view component-b'></div>
</div>
</div>
我知道appendTo(element)
方法,但它失败了断言
您无法附加到现有的Ember.View。请考虑使用Ember.ContainerView。
我还尝试在组件B上调用createElement
,然后通过jQuery将其附加到DOM - 这种方式有效,但最终失败并出现错误
无法设置属性&#39; _elementInserted&#39;为null
请参阅http://emberjs.jsbin.com/cofebo/2/
实现上述目的的正确的方法是什么?如果可能的话,行为和其他行为应该像组件A模板生成i-know-nothing-of-ember
一样。
答案 0 :(得分:5)
我建议使用容器查找组件,并在需要时将其附加到任何位置。
方法1 - 在路线中检索容器
http://emberjs.jsbin.com/libipazavu/1/edit?html,js,output
<强> JS 强>
App = Ember.Application.create();
App.IndexRoute = Em.Route.extend({
setupController:function(controller,model){
controller.set("container",this.container);
}
});
App.IndexView = Em.View.extend({
appendNonEmberUILibrary:function(){
callNonEmberUILibrary();
var componentB = this.get("controller.container").lookup("component:component-b");
componentB.appendTo(".non-ember-ui");
}.on("didInsertElement")
});
App.ComponentBComponent = Em.Component.extend({
layoutName:"components/component-b",
prop1:"test-option-1"
});
function callNonEmberUILibrary(){
$("body").append("<div class='non-ember-ui' style='border:1px solid;'>element from non-ember ui lib</div>");
}
<强> HBS 强>
<script type="text/x-handlebars">
<h2>Welcome to Ember.js</h2>
<h3>Adding Ember Component to non-Ember DOM Element using <u><i>container</i></u></h3>
{{outlet}}
</script>
<script type="text/x-handlebars" data-template-name="components/component-b">
<br/>
<div style="border:1px dashed #F5664D">
This is componentB -> {{prop1}}
</div>
<br/>
</script>
方法2 - 在初始化程序中检索容器
http://emberjs.jsbin.com/hijedowacu/1/edit?html,js,output
<强> JS 强>
App = Ember.Application.create();
App.initializer({
name:"main",
initialize:function(container,application){
application.register('main:compB', container.lookup("component:component-b"), { instantiate: false });
application.inject("controller:index","theComponentB","main:compB");
}
});
App.IndexView = Em.View.extend({
appendNonEmberUILibrary:function(){
callNonEmberUILibrary();
var componentB = this.get("controller.theComponentB");
componentB.appendTo(".non-ember-ui");
}.on("didInsertElement")
});
App.ComponentBComponent = Em.Component.extend({
layoutName:"components/component-b",
prop1:"test-option-1"
});
function callNonEmberUILibrary(){
$("body").append("<div class='non-ember-ui' style='border:1px solid;'>element from non-ember ui lib</div>");
}
<强> HBS 强>
<script type="text/x-handlebars">
<h2>Welcome to Ember.js</h2>
<h3>Adding Ember Component to non-Ember DOM Element using <u><i>container</i></u></h3>
{{outlet}}
</script>
<script type="text/x-handlebars" data-template-name="components/component-b">
<br/>
<div style="border:1px dashed #F5664D">
This is componentB -> {{prop1}}
</div>
<br/>
</script>
Approach3 - 使用jquery重新分配添加的组件(从评论中更新)
或者您可以将模板中的component-b
添加为不可见,并且在didInsertElement
内您可以重新分配并使用jquery在任何需要的位置显示它。
示例http://jsbin.com/maginovexa/1/edit?html,js,output
<强> JS 强>
App.IndexView = Em.View.extend({
prop2:"prop-from-index-view",
appendNonEmberUILibrary:function(){
callNonEmberUILibrary();
//var componentB = this.get("controller.container").lookup("component:component-b");
//componentB.appendTo(".non-ember-ui");
var componentBDOM = this.get("componentB").$().detach();
$(".non-ember-ui").append(componentBDOM);
}.on("didInsertElement"),
click:function(){this.set("prop2",Date.now());}
});
App.ComponentBComponent = Em.Component.extend({
layoutName:"components/component-b",
prop1:"test-option-1"
});
function callNonEmberUILibrary(){
$(".inner").append("<div class='non-ember-ui' style='border:1px solid;'>element from non-ember ui lib</div>");
}
<强> HBS 强>
<script type="text/x-handlebars">
<h2>Welcome to Ember.js</h2>
<h3>Adding Ember Component to non-Ember DOM Element using <u><i>container</i></u></h3>
<div class='inner'></div>
{{outlet}}
</script>
<script type="text/x-handlebars" data-template-name="index">
this is index (click here to change prop2 of component)
<div style="display:none">
{{component-b prop2=view.prop2 viewName="componentB"}}
</div>
</script>
....
这是一个完全有效的解决方案,用于按照Simon Jesenko(操作手册)的要求,将余烬控制的元素重新分配到ember视图中的非余烬元素。
答案 1 :(得分:0)
您是否尝试过运行循环?像这样,
//after comp.createElement();
parent = this;
Ember.run.schedule('afterRender', this, function() {
parent.$('.i-know-nothing-of-ember').append($(comp.element));
});