Javascript/Ember - 切换变量的布尔值
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Javascript/Ember - Toggle Boolean Value of Variable
提问by Ian S
I know that there is the .set() method to set a boolean to true or false but I want to know if there a method like .set() except it Toggles the value of a boolean.
我知道有 .set() 方法可以将布尔值设置为 true 或 false 但我想知道是否有类似 .set() 的方法，除了它切换布尔值的值。
In this case the boolean isEditing is being set to 'true'.
在这种情况下，布尔值 isEditing 被设置为“true”。
isEditing:false,
actions: {
edit: function(category){
category.set('isEditing', true);
console.log(this.get('isEditing'))
},
}
Here is the html
这是html
{{#if isEditing}}
<div class="category-text">
{{view Ember.TextField valueBinding=name action="turnOffEditMode"}}
</div>
{{else}}
<div class="category-text">
{{#linkTo 'category' this}}
{{name}}
{{/linkTo}}
</div>
{{/if}}
回答by Jake Roby
回答by Triode
isEditing:false,
actions: {
edit: function(category){
category.set('isEditing', !category.isEditing);
console.log(this.get('isEditing'))
}
toggleEditing : function(category){
}
}
Toggling the boolean value is what you need. Or yu can change your function like below.
切换布尔值是您所需要的。或者你可以改变你的功能，如下所示。
isEditing:false,
actions: {
toggleEditing : function(category){
category.set('isEditing', !category.isEditing);
console.log(this.get('isEditing'));
}
}
回答by Cameron
@gravityplanx's answer is great.
@gravityplanx 的回答很棒。
I just want to add that this methodology works beyond the controller as well.
我只想补充一点，这种方法也适用于控制器之外。
For example, if my Model has a Postobject, I can update it from the controller. I just have to pass the object into a controller action.
例如，如果我的模型有一个Post对象，我可以从控制器更新它。我只需要将对象传递给控制器操作。
switch_readiness(post) {
post.toggleProperty('isPublishReady');
}
