Use for questions about Angular 2+ directives
Questions tagged [angular2-directives]
1806 questions
0
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0 answers
Is there a way to bind an html template file to directive @input?
What I mean is that I have already a directive in angular 2 that one of its input is string or html string like that:
some text
some text
AngularOne
- 2,760
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- 46
0
votes
1 answer
Adding API javascript to an angular 2 directive?
I couldn't find any good documentation on this.
Say I had a third party library / api and I wanted to implement it into an angular 2 directive. How would I do that?
Given the following:
QueSo
- 269
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- 11
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1 answer
List of events built into Angular 2?
I find many tutorials on using events in Angular 2, but I cannot find a concrete, comprehensive list of events for reference. I would like a list sort of like the one provided for the Lifecycle Hooks, only for common events, such as (click),…
0
votes
1 answer
How to auto unchecked all checkbox if click another checkbox in angular2?
I am angular2 beginner. I am creates a section hide and show using one common checkbox. On checked this checkbox show another checkbox list and unchecked hide the these checkbox list.
But problem is if I am checked checkbox list and then hide the…
Harleen Kaur Arora
- 1,949
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0
votes
3 answers
Angular2 access a function/variable from another class
I want to access a method from parent class to child class.
My parent class is
export class Parent{
constructor() {}
present() {
}
}
and my child class is:
export class Child {
constructor() {}
submit(){
…
Ricky
- 693
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0
votes
1 answer
Pass string to directive from html
I'm trying to add a "clipboard" directive using this example.
However I want to compute the string to copy to the clipboard.
I want to pass the result of a function which returns a string, to my directive.
Currently, it passes…
BeniaminoBaggins
- 11,202
- 41
- 152
- 287
0
votes
1 answer
Hide items in list dynamically with [hidden]
I did that and I think it could work because I see in the console that [hidden] is updated for each element but it doesn't hide elements. It seems like I should refresh the page. I don't understand why it's not display dynamically :…
Julien
- 25
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- 8
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1 answer
How one service (not singleton) can be used by one directive and one component?
I have created a directive that is using component as its template. Both of them use the same service included in providers:
@Component({
selector: 'my-component',
providers: [MyService],
..
}
@Directive({
selector: '[myDirective]',
…
AngularOne
- 2,760
- 6
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- 46
0
votes
0 answers
Create factory with resolver.resolveComponentFactory fails when using directive more than once at the same page
When I have 1 instance of my directive at my HTML page, everything works great. But when I use the same directive at the same page more than once, I get error on the creation of the component template the directive use.
Seems like this line of code…
AngularOne
- 2,760
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- 32
- 46
0
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2 answers
Ionic2: How do you select which input to focus when you come to the page?
When I show the login form it focuses on the password field instead of the email field. I tried a few different solutions to get to focus on the email field but both of them go out of the page. One is the "autofocus" directive which is built into…
rashadb
- 2,515
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- 57
0
votes
1 answer
Directive declaration
I have a project on Angular. I learn that I need to declare every module that has a lot of features on a higher level on my app and it will be available on all my components and sub-modules. But I have a special case with a directive. I made a…
Ali Briceño
- 1,096
- 2
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- 44
0
votes
1 answer
Angular @Hostbinding does not work
i've similar problem with @Hostbinding like other questions, but i could not solve that.
My template:
And my directive
@Directive({
…
Roma Kap
- 517
- 1
- 8
- 23
0
votes
0 answers
What are the options to detect a change on parameter between components and directives?
How myDirective can be notify/noticed when the componentText parameter has changed?
How my-component can be notify/noticed when the directiveText parameter has changed?
simple directive
@Directive({
selector: '[myDirective]'
})
export class…
AngularOne
- 2,760
- 6
- 32
- 46
0
votes
1 answer
Why does this EventEmitter return an Event instead of a string?
I'm trying to communicate components on Angular2 and found out that using the Output decorator was the best way in my case, so I followed the documentation's guide and did exactly the same steps. Although when I try to log on console what I'm…
Luis Paulo
- 129
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