Imagine I am developing a custom directive called 'wiggleEffect'. The directive is designed to add a specific class to the targeted element, initiate an animation effect, and then remove the class upon completion.
How can I activate the 'wiggle' action without relying on events? I prefer not to use events unless they serve a global broadcasting purpose.
Appreciate your insights :)
Implementing a scope property to monitor the animation status is crucial. Then, ensure to pass this property to your directive:
<div animate-me="myProperty" speed="3000"></div>
Below is an example of how the directive could be structured:
app.directive('animateMe', ['$timeout', function($timeout){
return {
link: function($scope, $element, $attrs){
$scope.$watch($attrs.animateMe, function(isAnimating){
$element.toggleClass('animationClass', isAnimating);
if(isAnimating){
$timeout(function(){
$scope[$attrs.animateMe] = false;
}, $attrs.speed);
}
});
}
}
}]);
What is the purpose of creating a custom directive when Angular already provides the ngClass directive?
In your controller, create a model that triggers shaking.
app.controller('ctrl', function($scope) {
$scope.shakeIt = false;
});
Then, in your HTML,
<p ng-class="{someClass : shakeIt}"> I am shaking </p>
Now you can control when the element shakes by changing the model value to true. Once the animation is complete, set the value back to false.
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