![]() ![]() But I'm not sure that's the best way either. On mousedown, I could then check for the event.target accordingly. ![]() But that feels messy.Īlternatively, I could apply my directive to the via setting the selector. hostListenercan also be used to capture events that occur outside the component. This decorator is quite useful to listen to events emitted by hostelement when creating a custom directive. I suppose I could create a JS function that grabs the parent, checks for a matching class name of 'draggableContainer' and if so, done, if not, grabs the parent of that element, checks again, and so on until it finds the parent that matches. HostListener decorator in Angular is used to declare a DOM event (like click, mouseenter) to listen for and define a handler method to execute when that event occurs. This allows me to set a mousedown HostListener to determine when a user has clicked on that object.īut.I don't see a clean 'angular way' to now change the css of the div two parents up. For Angular 11 you can use version 2.1.0 which internally uses uses ResizeSensor from CSS Element Queries that is supported in IE. For example if you need to set a property or an attribute whose name is not statically known, use the setProperty () or setAttribute () method. Use a custom renderer to bypass Angular's templating and make custom UI changes that can't be expressed declaratively. To use Hostlistener in a respective component first we need to import in component from angular/core. ![]() There is Multiple Event we can Listen and manipulate Don Using HostListener Here we will see some of the Examples. It is as simple as: It internally uses browser native ResizeObserver. Create your custom renderer using RendererFactory2. HostListener() Decorator in Angular allows us to handle events of the host element in the directive class.I initially set up a directive using as the selector. Angular 14 directive for detecting changes of an element size. The goal here is to make ContainerBox movable on screen when a user clicks and drags on the child element DragHandle (note, the HTML for ContainerBox is in one component template, the HTML for DragHandle is in a different component template) The premise is that I have this type of structure: ![]() I still have some plain-js/jquery thinking in my head and struggling to get the 'angular way' to handle this. ![]()
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