// gridstack-dd.ts 2.0.2-dev @preserve

/**

* https://gridstackjs.com/

* (c) 2014-2020 Alain Dumesny, Dylan Weiss, Pavel Reznikov

* gridstack.js may be freely distributed under the MIT license.

*/

/* eslint-disable @typescript-eslint/no-unused-vars */

import { GridStack, GridStackElement } from './gridstack';

import { GridItemHTMLElement, DDDragInOpt } from './types';

/** Drag&Drop drop options */

export type DDDropOpt = {

/** function or class type that this grid will accept as dropped items (see GridStackOptions.acceptWidgets) */

accept?: (el: GridItemHTMLElement) => boolean;

}

/** drag&drop options currently called from the main code, but others can be passed in grid options */

// eslint-disable-next-line @typescript-eslint/no-explicit-any

export type DDOpts = 'enable' | 'disable' | 'destroy' | 'option' | string | {} | any;

export type DDKey = 'minWidth' | 'minHeight' | string;

export type DDValue = number | string;

/** drag&drop events callbacks */

export type DDCallback = (event: Event, arg2: GridItemHTMLElement, helper?: GridItemHTMLElement) => void;

/**

* Base class for drag'n'drop plugin.

*/

export class GridStackDD {

protected grid: GridStack;

static registeredPlugins: typeof GridStackDD;

/** call this method to register your plugin instead of the default no-op one */

static registerPlugin(pluginClass: typeof GridStackDD) {

GridStackDD.registeredPlugins = pluginClass;

}

/** get the current registered plugin to use */

static get(): typeof GridStackDD {

return GridStackDD.registeredPlugins || GridStackDD;

}

public constructor(grid: GridStack) {

this.grid = grid;

}

public resizable(el: GridItemHTMLElement, opts: DDOpts, key?: DDKey, value?: DDValue): GridStackDD {

return this;

}

public draggable(el: GridItemHTMLElement, opts: DDOpts, key?: DDKey, value?: DDValue): GridStackDD {

return this;

}

public dragIn(el: GridStackElement, opts: DDDragInOpt): GridStackDD {

return this;

}

public isDraggable(el: GridStackElement): boolean {

return false;

}

public droppable(el: GridItemHTMLElement, opts: DDOpts | DDDropOpt, key?: DDKey, value?: DDValue): GridStackDD {

return this;

}

public isDroppable(el: GridItemHTMLElement): boolean {

return false;

}

public on(el: GridItemHTMLElement, eventName: string, callback: DDCallback): GridStackDD {

return this;

}

public off(el: GridItemHTMLElement, eventName: string): GridStackDD {

return this;

}

}