admin管理员组文章数量:1322361
Imagine I create an ember object, then add it to an arbitrary unknown number of array controllers. Is there a simple way of destroying the object so that all the array controllers get notified and remove it?
/
destroy from Ember.CoreObject doesn't seem to notify the collections that their objects have been destroyed, or the collections don't remove their objects. I'm not even sure if they're meant to or not.
Imagine I create an ember object, then add it to an arbitrary unknown number of array controllers. Is there a simple way of destroying the object so that all the array controllers get notified and remove it?
http://jsfiddle/FcsRP/
destroy from Ember.CoreObject doesn't seem to notify the collections that their objects have been destroyed, or the collections don't remove their objects. I'm not even sure if they're meant to or not.
Share Improve this question edited May 10, 2012 at 21:35 mattvonb 1901 silver badge5 bronze badges asked Apr 29, 2012 at 22:39 user1158559user1158559 1,9531 gold badge18 silver badges24 bronze badges1 Answer
Reset to default 7The easiest way that I can think of is adding an observer on the object's isDestroyed
property. That way when you destroy something and that property bees true
you can run whatever code you need to.
See this jsfiddle: http://jsfiddle/ud3323/FSCyF/
Code:
obj = Ember.Object.create({});
a1 = Ember.ArrayController.create({
content: [],
destroyedObj: function() {
alert('destroyed obj observer in a1');
}.observes('[email protected]')
});
a2 = Ember.ArrayController.create({
content: [],
destroyedObj: function() {
alert('destroyed obj observer in a2');
}.observes('[email protected]')
});
a1.pushObject(obj);
a1.pushObject(obj);
a2.pushObject(obj);
obj.destroy()
alert(a1.get('content').length)
本文标签: javascriptDestroying objects in EmberjsStack Overflow
版权声明:本文标题:javascript - Destroying objects in Ember.js - Stack Overflow 内容由网友自发贡献,该文观点仅代表作者本人, 转载请联系作者并注明出处:http://www.betaflare.com/web/1742110530a2421233.html, 本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌抄袭侵权/违法违规的内容,一经查实,本站将立刻删除。
发表评论