Is it possible to call a translation dynamically using interpolation in a template? I'd like to get something like that from this version:
<label for="{{media.type}}">{{t 'social.labels.twitter'}}</label>
to the below one using interpolation:
<label for="{{media.type}}">{{t 'social.labels.'{{model.some_media_name}}}}</label>
As you see, I' like to call a label translation for a specified social media based on its model value. The above snippet does not work.
Any ideas ? Thank you
I fond the answer at one of ember-i18n issues, you should just use concat function as follows:
<label for="{{media.type}}">{{t (concat "social.labels." media.type)}}</label>
What will look for a translation key social.labels.twiiter in case of media.type equals to twitter.
Related
It's 2022 and sadly I'm learning AngularJS (already past end of life!)
I need need to use what might be called a dynamic element/component. Pseudocode example:
In controller:
this.theElementName = 'b';
In the template:
<{{$ctrl.theElementName}}>this is some text</{{$ctrl.theElementName}}>
I would want this to create <b>this is some text</b>.
The reason is that I want to generate an array of different directives to render, and I don't want code like:
<b ng-if="$ctrl.theElementName === 'b'">this is some text</b>
<div ng-if="$ctrl.theElementName === 'div'">this is some text</div>
<directive-abc ng-if="$ctrl.theElementName === 'directive-abc'">this is some text</directive-abc>
...
In Svelte, it's
<svelte:element this={theElementName} />
In Vue it's
<div :is="theElementName" />
EDIT: in response to the reluctant 'that person', clarifying the use-case
Consider a user-configurable UI. The result of the configuration might be an array list of components desired. I would then need to loop and output those different components in my template. Of course the components would need a standard interface for properties passesd in, events emitted etc. but that can all be designed for.
My code could do a big switch statement, but that requires prior knowledge of every possible component that might be used now or in the future. By doing it the way I intend to, however, a future person could add a component without needing to touch this code.
You can write directive my-directive to use:
<div my-directive="$ctrl.theElementName">...
to generate:
<div><component-a>...
<div><component-b>...
<div><component-c>...
All directive should do is to generate html string and compile it:
element.append($compile('<' + scope.myDirective + '>...')(scope))
(also remember to update content in onChanges if you want to support it)
Directive may also copy certain/all attributes from original element etc.
P.S. you should be cautious e.g. if component name comes from database that may allow injections.
Not a brilliant solution, but documenting what is more of a workaround.
ng-include can be used to source another template file. That file can contain the component you need to include.
<ng-include src="'/path/to/' + theElementName + '.html'"></ng-include>
I have to track down a bug related to work of ng-class (sometimes it adds new value without removing old).
So I need a quick reference to see it's current value.
Is there any short (or not) way to bind that to the content?
I mean something like this:
<div ng-class="something">
{{ngClassValueDisplayedHere}}
</div>
I had exactly the same problem with ng-class not removing old value. After days of investigation it turned out that it was ngAnimate who was messing with class changes. removing it from angular module dependencies solved the problem (Angular 1.3).
ng-class can bind to many different things. From the documentation:
Expression to eval. The result of the evaluation can be a string representing
space delimited class names, an array, or a map of class names to boolean
values. In the case of a map, the names of the properties whose values
are truthy will be added as css classes to the element.
So in your example, just display whatever your something is. It's supposed to be an angular expression, which can be evaluated like any other with double-curlies. This will help you debug your ng-class
<div ng-class="something">
{{something}}
</div>
Demo
In case someone else stumbles upon this problem like I did just recently with angular version 1.5.8: https://github.com/angular/angular.js/issues/14582
P.S. Update to 1.5.11 solved the issue related to ngAnimate, prior versions still had the same issue.
I am starting with angular and I often see two different approaches of using a module:
<input autocomplete options="..."/>
And:
<autocomplete options="..."/>
I think the first one is a better options since it uses the native HTML tags.
Is there a reason, or advantage of using the second approach?
In my opinion the HTML code becomes quite strange ...
I like a directive that conditionally puts a tag outside some content (but always prints the content), like this:
<p><strong ng-if-always-keep-inner-content="model.condition">{{model.text}}</strong>/p>
so if condition is true I get
<p><strong>yada yada</strong></p>
otherwise I get
<p>yada yada</p>
I could write it myself, but I want to know if it is possible to do with built in directives/options.
I should perhaps say this is used together with Bootstrap, which afaiu recommends using <strong> vs some class with a bold font.
I don't think there is a built in directive. You should write it.
I suggest to use a classic ng-if
<p ng-if="model.condition"><strong>{{model.text}}</strong></p>
<p ng-if="!model.condition">{{model.text}}</p>
In your specific case, you can also use ng-class and set the strong style via css.
I have the component and have a problem setting the css class to it.
I want it to always have a class of "box", then to have additional classes specified by the directive "class" argument and one conditional class "mini".
Conceptually what I want to achieve is something like this:
<div class="box {{class}}" data-ng-class="{mini: !isMaximized}">
...
</div>
The problem is that when I set the class html attribute, the ng-class attribute is omitted.
How to make my example work without changing the controller? Is it even possible, or should I set the class in the controller instead (which I wish to avoid)?
A quick solution would be define the box class inside ng-class attribute:
<div data-ng-class="{mini: !isMaximized, box: true}"></div>
If you want to include a scope variable as a class, you can't use ng-class:
<div class="{{class}} box {{!isMaximized && 'mini' || ''}}">
Angular expressions do not support the ternary operator, but it can be emulated like this:
condition && (answer if true) || (answer if false)
I needed multiple classes where one was $scope derived and others were literal classes. Thanks to the hint from Andre, below worked for me.
<h2 class="{{workStream.LatestBuildStatus}}"
ng-class="{'expandedIcon':workStream.isVisible, 'collapsedIcon':!workstream.isvisible}">{{workStream.Name}}</h2>
Edit: for newer versions of Angular see Nitins answer as it is the best one atm
For me, this worked (I'm working on AngularJS v1.2.14 at the moment so I guess 1.2.X+ should support this, not sure about the earlier versions):
<div class="box" data-ng-class="{ {{myScopedObj.classesToAdd}}: true, mini: !isMaximized }"></div>
I replaced your {{class}} with {{myScopedObj.classesToAdd}} to show that any scoped variable or even a bit more complex object can be used this way.
So, every DIV element crated this way will have "box" class and any class contained within myScopedObj.classesToAdd (useful when using ng-repeat and every element in the array needs to have a different class applied), and it will have the "mini" class if !isMaximized.
Another way to do this without double curly braces and includes scope variables, tested with angular v1.2+.
<div ng-class="['box',
aClass,
{true:'large': false: 'mini'}[isMaximized]]"></div>
It's also rather nice because the variable can use different types as a index without increasing complexity using ternaries. It can also remove any need for negations ;)
Here is a fiddle link
You can use simple expression given below
ng-class="{'active' : itemCount, 'activemenu' : showCart}"