widgets.md

Events

    class MyWidget extends S.Widget {
        constructor(w: S.WidgetInfo) {
            super(w)

            this.sendEvent("load")
        }
    }

To receive events the class must expose a public method onEvent:

    class MyWidget extends S.Widget {
        constructor(w: S.WidgetInfo) {
            super(w)
        }

        onEvent(event: S.WidgetEvent) {
            switch (event.name) {
                case "load":
                    // do stuff
                    return;
            }
        }
    }

The event object:

    export interface WidgetEvent {
        name: string
        source: Widget
        asrgs?: any
    }

To make a widget listen to events in the declaration file:

"listeners": {
    "urlChange": "onURLChange"
},