import { DeclareConstructor } from "dojo/_base/declare";
import _WidgetBase = require("./_WidgetBase");

interface _Container {
    buildRendering(): void;

    /**
     * Makes the given widget a child of this widget.
     */
    addChild<T extends _WidgetBase>(widget: T, insertIndex?: number): void;

    /**
     * Removes the passed widget instance from this widget but does
     * not destroy it.  You can also pass in an integer indicating
     * the index within the container to remove (ie, removeChild(5) removes the sixth widget)
     */
    removeChild<T extends _WidgetBase>(widget: T): void;
    removeChild<T extends number>(widget: number): void;

    /**
     * Returns true if widget has child widgets, i.e. if this.containerNode contains widgets.
     */
    hasChildren(): boolean;

    /**
     * Gets the index of the child in this container or -1 if not found
     */
    getIndexOfChild<T extends _WidgetBase>(widget: T): number;
}

declare module "dojo/_base/kernel" {
    interface Dijit {
        _Container: _ContainerConstructor
    }
}

type _ContainerConstructor = DeclareConstructor<_Container>;
declare const _Container: _ContainerConstructor;
export = _Container;