haxeui/haxeui-core

package haxe.ui.events;

import haxe.ui.actions.ActionType;
import haxe.ui.core.Component;

@:access(haxe.ui.core.Component)
class Events {
    private var _target:Component;

    public function new(target:Component) {
        _target = target;
    }

    public function register() {
    }

    public function unregister() {
    }

    public function onDispose() {
    }
    
    private function registerEvent<T:UIEvent>(type:EventType<T>, listener:T->Void, priority:Int = 0) {
        if (_target == null || _target._isDisposed) {
            return;
        }
        if (hasEvent(type, listener) == false) {
            _target.registerEvent(type, listener, priority);
        }
    }

    private function hasEvent<T:UIEvent>(type:EventType<T>, listener:T->Void):Bool {
        if (_target == null || _target._isDisposed) {
            return false;
        }
        return _target.hasEvent(type, listener);
    }

    private function unregisterEvent<T:UIEvent>(type:EventType<T>, listener:T->Void) {
        if (_target == null || _target._isDisposed) {
            return;
        }
        _target.unregisterEvent(type, listener);
    }

    private function dispatch<T:UIEvent>(event:T) {
        if (_target == null || _target._isDisposed) {
            return;
        }
        _target.dispatch(event);
    }
}