我正在尝试在木偶应用程序中渲染事件部分。我采用了包含我收藏夹的复合视图的方法。
我认为CompositeView将渲染CollectionView,然后CollectionView将渲染我的ItemViews(events(。
当前,CompositeView呈现CollectionView,但没有实例化或渲染。
这是我的第一个Marrionette应用程序。我正在为DEP使用节点。管理。吞噬建造,浏览和bab。我关注了这个项目,以使一切顺利进行:https://github.com/thejameskyle/marionette-wires
您的帮助非常感谢!!谢谢!
CompositeView
import {
CompositeView
} from 'backbone.marionette';
import {
CollectionView
} from 'backbone.marionette';
import {
Collection
} from 'backbone';
import template from './events-template.hbs';
import EventsService from '../services/events-service';
import EventsView from './events-view';
import EventModel from '../models/events-model';
import EventsCollection from '../collections/events-collection';
export default CompositeView.extend({
template: template,
className: 'col-md-3 calendar',
childViewContainer: "ul",
model:EventModel,
regions: {
events: '.events-list',
},
initialize: function(){
let self = this;
EventsService.find().then(collection => {
self.collection = collection;
console.log('Events CompositeView '+self.collection);
self.childView = new EventsView({collection:self.collection});
});
},
setup(options = {}) {
this.container = options.container;
console.log("setup");
},
modelsChanged() {
console.log('Events ModelChanged' + this.model);
}
});
events-template.hbs
<section class="panel">
<div class="panel-body">
<div class="monthly-stats pink">
<div class="clearfix">
<h4 class="pull-left">Calendar</h4>
<!-- Nav tabs -->
<div class="btn-group pull-right stat-tab">
<a href="#line-chart" class="btn stat-btn active" data-toggle="tab">Week</a>
<a href="#bar-chart" class="btn stat-btn" data-toggle="tab">Month</a>
</div>
</div>
</div>
<div class="events-list">
</div>
</div>
</section>
CollectionView
import {
CollectionView
} from 'backbone.marionette';
import {
Collection
} from 'backbone';
import EventView from './event-view';
export default CollectionView.extend({
tagName: 'ul',
childView: EventView,
childViewContainer: '.events-list',
getChildView: function(item) {
console.log('ChildView' +item);
},
initialize: function() {
console.log('EVENTs CollectionView '+this.collection);
for(let val of this.collection.models) {
console.log(val.attributes);
}
},
onBeforeRender: function() {
console.log('Before EVENT CollectionView '+this.collection);
},
collectionEvents: {
all: 'render'
},
childEvents: {
// This callback will be called whenever a child is rendered or emits a `render` event
render: function() {
console.log('A child view has been rendered.');
}
}
});
itemView //ItemView中的所有记录都只是为了查看是否在调用任何内容。不是。
import {
ItemView
} from 'backbone.marionette';
import {
Collection
} from 'backbone';
import template from './event-template.hbs';
export default ItemView.extend({
template: template,
tagName:'div',
className: 'col-md-3',
attributes() {
},
onShow: function() {
console.log('Single EVENT');
},
initialize: function(o) {
console.log('init itemView');
},
show() {
console.log("ITEM");
},
modelEvents: {
all: 'render'
},
onBeforeRender() {
console.log("EVENZT VIEW");
},
render() {
console.log("EVENZT VIEW");
},
modelsChanged() {
console.log('Events ModelChanged' + this.model);
}
});
event-template.hbs
<div class="alert alert-info clearfix">
<span class="alert-icon"><i class="fa fa-envelope-o"></i></span>
<div class="notification-info">
<ul class="clearfix notification-meta">
<li class="pull-left notification-sender"><span><a href="#">{{eventName}}</a></span></li>
</ul>
<p>
<span>{{program}}</span><span>
</p>
</div>
</div>
添加到@j的注释中。提图(Titus
var ItemView = Backbone.Marionette.ItemView.extend({
onShow: function () {
this.trigger('childOnShow');
}
});
var View = Backbone.Marionette.CollectionView.extend({
childView: ItemView,
childEvents: {
'childOnShow': 'onChildShowHandler'
},
onChildShowHandler: function () {
this.count++;
if (this.count === this.collection.length) {
// call your function here
}
},
onShow: function () {
this.count = 0;
}
});
希望这能解决您的关注。
as @j。泰特斯已经评论过,您可以使用CompositeView或CollectionView。
我建议使用CollectionView
,因为您只需要 region 即可显示列表模型视图。
关于您的收藏的事情是,您永远不会在代码中填充它。当您创建一个新集合时,除非您专门通过一系列模型,否则它是空的。因此,您需要致电.fetch()
或.reset()
(我建议后者首次使用并一次获得很多型号(。
由于在您的collectionEvents
中,您正在捕获 all 将其渲染,因此在加载模型时,视图应自行更新。