我正在尝试更新集合更新时仅由骨干视图使用的模板的一部分。以下代码成功执行search()
和render_list()
方法。此外,console.log(html)
显示完整模板的html。但是当我执行replaceWith
时,它将空选择替换为选择器。如果我用一个字符串替换$(selector,html)
(即:'test'),它会成功替换'test'。如何更新集合时更新模板的一部分?
因此,出于某种原因,$(selector, html)
选择器没有按照它的意思去做。更奇怪的是,更新的html选择器中的图像被浏览器请求,即使没有更新的html被插入到文档中。
define([
'jquery',
'underscore',
'backbone',
'collections/tracks',
'collections/genres',
'text!templates/search_view_title.html',
'text!templates/search_view.html'
],function($,_,Backbone,Tracks_collection,Genres_collection,Search_view_title_template,Search_view_template){
var Search_view = Backbone.View.extend({
el: $('#app'),
events: {
'change #genre_select': function(){this.search('genre')},
'click #search_btn': function(){this.search('search')}
},
template: _.template(Search_view_template),
initialize: function(){
// SET SOME IMPORTANT LAYOUT SETTINGS
$('#pagetitle').html(_.template(Search_view_title_template));
$('body').css('padding-top','124px');
this.genre_collection = new Genres_collection();
this.listenTo(this.genre_collection,'update',this.render);
this.genre_collection.fetch();
this.collection = new Tracks_collection();
this.listenTo(this.collection,'update',this.render_list);
},
search: function(searchtype){
switch(searchtype){
case 'genre':
console.log('genre changed');
this.collection.fetch({
data: {limit: 30, type:'genre',genre_id:$('#genre_select').val()}
});
break;
case 'search':
console.log('search changed');
this.collection.fetch({
data: {limit: 30, type:'search',keyword:$('#keyword').val()}
});
break;
}
console.log(this.collection);
},
render_list: function(){
var that = this;
console.log('render list');
var html = that.template({genres: this.genre_collection.models,tracks: this.collection.models});
console.log(html);
var selector = '#tracklist';
console.log($(selector,html));
that.$el.find(selector).replaceWith($(selector,html));
return this;
},
render: function(){
// MAKE 'THIS' ACCESSIBLE
var that = this;
console.log('render');
that.$el.find('#container').html(that.template({genres: this.genre_collection.models}));
return this;
}
});
return Search_view;
});