ember.js

问题 At the moment of this question i'm running the latest Ember and Ember Data versions. I'm working with the DS.RESTAdapter calling for a /places this way: this.store.findAll('place'); The model only have a name attribute name: DS.attr('string') The JSON is the following: { places: [ { id: 1, name: "San Francisco" }, { id: 2, name: "Havana" } ] } I made the template and with the corresponding each and everything shows up and works so far but i get a deprecation warnings that tells the following:

问题 I'd like to add some drawing functionality in my ember based application. I plan to use the html5 canvas element. Basically, in my DOM I have <canvas id="my-canvas"> And I need to get my canvas context when the DOM is loaded with var c = document.getElementById('my-canvas') // ... do something with c If the canvas is represented with an Ember.View : App.Canvas = Em.View.extend({ tagName: 'canvas' }) What is the equivalent of document.getElementById ? 回答1: var view = App.Canvas.create().append

问题 In Ember, defining a property as a computed alias to another property (or another object's property) using Ember.computed.alias('otherProperty') seems to have basically the same result as defining it as a binding to that property using propertyNameBinding: 'otherProperty' . I've looked at the source and the documentation but I can't find any reason why one would be preferred over the other. Obviously templates use bindings, which is fine, but for properties in e.g. controllers, or for

问题 I have an issue with deleting records from an Ember.JS model. I have an overview of records in my handlebars template with a delete button for each row. When clicking the button I would like to remove that row from the table (and execute a DELETE on my REST API). My handlebars template contains the following table + delete button for every record. <table class="table table-hover"> <tr> <th>Latitude</th> <th>Longitude</th> <th>Accuracy</th> <th></th> </tr> {{#each model}} <tr> <td>{{latitude}}

问题 Here are issues if click on an updating column (to sort) blink feature does not work. if i try to filter, blink feature goes crazy. i am not sure if there are better ways to implement 'Blink'. Because i'm not sure the way i keep 'previousValue' and apply'clearStyles' method are correct. here is the link to previous discussion. How to apply 'Blink' feature in Ember Table? Kindly add suggestions. 来源： https://stackoverflow.com/questions/29071528/add-blink-feature-in-ember-table

问题 So my models are set up like this : App.Post = DS.Model.extend comments: DS.hasMany 'App.Comment' App.Comment = DS.Model.extend post: DS.belongsTo 'App.Post' I'm trying to create a view that has all posts and all comments display, but I need to decorate the comment objects. This is what I'd like to do but, to no avail : <ul> {{#each post in controller}} <li>{{post.title}}</li> <ol> {{#each comment in post.comments itemController="comment"}} <li>{{comment.body}}</li> {{/each}} </ol> {{/each}}

问题 Premise: My question is based on my research of Ember-data, which may or may not be correct. So please correct me if I have any misunderstanding. The examples are running with the latest ember as of July 2, 2013. To edit a record of my model, just 1 record, you need to call this.get('store').commit() or this.get('model').save() . However, downstream of either of these functions actually have to update all of the records of the model, even those left untouched. So this is quite inefficient,

问题 Views are deprecated in ember js. I want to set the tagName for the application template to "empty" because I don't want my content wrapped in a div - it messes up my css. Previously I have don this by creating an views/application.js and setting tagName: '' but views are deprecated - how can I do this without views? 回答1: While I agree with the comments that this may not be something you want to do, you can use the ember-legacy-views addon until routable components are released. Tagless

问题 I'm working with Ember RC3 Ember Data Revision 12 Handlebars RC3 I have Ember Data sideloading relationships on many of my models, so that I can template the sideloaded relationships like so: // Models App.Client = DS.Model.extend({ company: DS.attr('string'), accountNumber: DS.attr('string'), startDate: DS.attr('mysqlDate'), // Relationships campaigns: DS.hasMany('App.Campaign'), users: DS.hasMany('App.User'), phones: DS.hasMany('App.Phone'), addresses: DS.hasMany('App.Address') }); App.User

问题 The Ember guide on binding data attributes says that "If you use data binding with a Boolean value, it will add or remove the specified attribute." I'm trying to use this feature to dynamically set the selected attributes on <option> s. I'm finding that I can dynamically set the disabled attribute, but the selected attribute is always omitted, no whether the boolean is true or false. Given this handlebars template: <option disabled={{false}} selected={{false}}>One</option> <option disabled={