/*!
 * GridStack 12.1.1
 * https://gridstackjs.com/
 *
 * Copyright (c) 2021-2024  Alain Dumesny
 * see root license https://github.com/gridstack/gridstack.js/tree/master/LICENSE
 */
import { GridStackEngine } from './gridstack-engine';
import { Utils } from './utils';
import { ColumnOptions, GridItemHTMLElement, GridStackElement, GridStackEventHandlerCallback, GridStackNode, GridStackWidget, numberOrString, DDDragOpt, GridStackOptions, GridStackEventHandler, GridStackNodesHandler, AddRemoveFcn, SaveFcn, CompactOptions, ResizeToContentFcn, GridStackDroppedHandler, GridStackElementHandler, Position, RenderFcn } from './types';
import { DDGridStack } from './dd-gridstack';
export * from './types';
export * from './utils';
export * from './gridstack-engine';
export * from './dd-gridstack';
export interface GridHTMLElement extends HTMLElement {
    gridstack?: GridStack;
}
/** list of possible events, or space separated list of them */
export type GridStackEvent = 'added' | 'change' | 'disable' | 'drag' | 'dragstart' | 'dragstop' | 'dropped' | 'enable' | 'removed' | 'resize' | 'resizestart' | 'resizestop' | 'resizecontent';
/** Defines the coordinates of an object */
export interface MousePosition {
    top: number;
    left: number;
}
/** Defines the position of a cell inside the grid*/
export interface CellPosition {
    x: number;
    y: number;
}
/**
 * Main gridstack class - you will need to call `GridStack.init()` first to initialize your grid.
 * Note: your grid elements MUST have the following classes for the CSS layout to work:
 * @example
 * <div class="grid-stack">
 *   <div class="grid-stack-item">
 *     <div class="grid-stack-item-content">Item 1</div>
 *   </div>
 * </div>
 */
export declare class GridStack {
    el: GridHTMLElement;
    opts: GridStackOptions;
    /**
     * initializing the HTML element, or selector string, into a grid will return the grid. Calling it again will
     * simply return the existing instance (ignore any passed options). There is also an initAll() version that support
     * multiple grids initialization at once. Or you can use addGrid() to create the entire grid from JSON.
     * @param options grid options (optional)
     * @param elOrString element or CSS selector (first one used) to convert to a grid (default to '.grid-stack' class selector)
     *
     * @example
     * const grid = GridStack.init();
     *
     * Note: the HTMLElement (of type GridHTMLElement) will store a `gridstack: GridStack` value that can be retrieve later
     * const grid = document.querySelector('.grid-stack').gridstack;
     */
    static init(options?: GridStackOptions, elOrString?: GridStackElement): GridStack;
    /**
     * Will initialize a list of elements (given a selector) and return an array of grids.
     * @param options grid options (optional)
     * @param selector elements selector to convert to grids (default to '.grid-stack' class selector)
     *
     * @example
     * const grids = GridStack.initAll();
     * grids.forEach(...)
     */
    static initAll(options?: GridStackOptions, selector?: string): GridStack[];
    /**
     * call to create a grid with the given options, including loading any children from JSON structure. This will call GridStack.init(), then
     * grid.load() on any passed children (recursively). Great alternative to calling init() if you want entire grid to come from
     * JSON serialized data, including options.
     * @param parent HTML element parent to the grid
     * @param opt grids options used to initialize the grid, and list of children
     */
    static addGrid(parent: HTMLElement, opt?: GridStackOptions): GridStack;
    /** call this method to register your engine instead of the default one.
     * See instead `GridStackOptions.engineClass` if you only need to
     * replace just one instance.
     */
    static registerEngine(engineClass: typeof GridStackEngine): void;
    /**
     * callback method use when new items|grids needs to be created or deleted, instead of the default
     * item: <div class="grid-stack-item"><div class="grid-stack-item-content">w.content</div></div>
     * grid: <div class="grid-stack">grid content...</div>
     * add = true: the returned DOM element will then be converted to a GridItemHTMLElement using makeWidget()|GridStack:init().
     * add = false: the item will be removed from DOM (if not already done)
     * grid = true|false for grid vs grid-items
     */
    static addRemoveCB?: AddRemoveFcn;
    /**
     * callback during saving to application can inject extra data for each widget, on top of the grid layout properties
     */
    static saveCB?: SaveFcn;
    /**
     * callback to create the content of widgets so the app can control how to store and restore it
     * By default this lib will do 'el.textContent = w.content' forcing text only support for avoiding potential XSS issues.
     */
    static renderCB?: RenderFcn;
    /** callback to use for resizeToContent instead of the built in one */
    static resizeToContentCB?: ResizeToContentFcn;
    /** parent class for sizing content. defaults to '.grid-stack-item-content' */
    static resizeToContentParent: string;
    /** scoping so users can call GridStack.Utils.sort() for example */
    static Utils: typeof Utils;
    /** scoping so users can call new GridStack.Engine(12) for example */
    static Engine: typeof GridStackEngine;
    /** engine used to implement non DOM grid functionality */
    engine: GridStackEngine;
    /** point to a parent grid item if we're nested (inside a grid-item in between 2 Grids) */
    parentGridNode?: GridStackNode;
    /** time to wait for animation (if enabled) to be done so content sizing can happen */
    animationDelay: number;
    protected static engineClass: typeof GridStackEngine;
    protected resizeObserver: ResizeObserver;
    protected responseLayout: ColumnOptions;
    private _skipInitialResize;
    /**
     * Construct a grid item from the given element and options
     * @param el the HTML element tied to this grid after it's been initialized
     * @param opts grid options - public for classes to access, but use methods to modify!
     */
    constructor(el: GridHTMLElement, opts?: GridStackOptions);
    private _updateColumnVar;
    /**
     * add a new widget and returns it.
     *
     * Widget will be always placed even if result height is more than actual grid height.
     * You need to use `willItFit()` before calling addWidget for additional check.
     * See also `makeWidget(el)` for DOM element.
     *
     * @example
     * const grid = GridStack.init();
     * grid.addWidget({w: 3, content: 'hello'});
     *
     * @param w GridStackWidget definition. used MakeWidget(el) if you have dom element instead.
     */
    addWidget(w: GridStackWidget): GridItemHTMLElement;
    /** create the default grid item divs, and content (possibly lazy loaded) by using GridStack.renderCB() */
    createWidgetDivs(n: GridStackNode): HTMLElement;
    /**
     * Convert an existing gridItem element into a sub-grid with the given (optional) options, else inherit them
     * from the parent's subGrid options.
     * @param el gridItem element to convert
     * @param ops (optional) sub-grid options, else default to node, then parent settings, else defaults
     * @param nodeToAdd (optional) node to add to the newly created sub grid (used when dragging over existing regular item)
     * @param saveContent if true (default) the html inside .grid-stack-content will be saved to child widget
     * @returns newly created grid
     */
    makeSubGrid(el: GridItemHTMLElement, ops?: GridStackOptions, nodeToAdd?: GridStackNode, saveContent?: boolean): GridStack;
    /**
     * called when an item was converted into a nested grid to accommodate a dragged over item, but then item leaves - return back
     * to the original grid-item. Also called to remove empty sub-grids when last item is dragged out (since re-creating is simple)
     */
    removeAsSubGrid(nodeThatRemoved?: GridStackNode): void;
    /**
     * saves the current layout returning a list of widgets for serialization which might include any nested grids.
     * @param saveContent if true (default) the latest html inside .grid-stack-content will be saved to GridStackWidget.content field, else it will
     * be removed.
     * @param saveGridOpt if true (default false), save the grid options itself, so you can call the new GridStack.addGrid()
     * to recreate everything from scratch. GridStackOptions.children would then contain the widget list instead.
     * @param saveCB callback for each node -> widget, so application can insert additional data to be saved into the widget data structure.
     * @returns list of widgets or full grid option, including .children list of widgets
     */
    save(saveContent?: boolean, saveGridOpt?: boolean, saveCB?: SaveFcn): GridStackWidget[] | GridStackOptions;
    /**
     * load the widgets from a list. This will call update() on each (matching by id) or add/remove widgets that are not there.
     *
     * @param items list of widgets definition to update/create
     * @param addRemove boolean (default true) or callback method can be passed to control if and how missing widgets can be added/removed, giving
     * the user control of insertion.
     *
     * @example
     * see http://gridstackjs.com/demo/serialization.html
     */
    load(items: GridStackWidget[], addRemove?: boolean | AddRemoveFcn): GridStack;
    /**
     * use before calling a bunch of `addWidget()` to prevent un-necessary relayouts in between (more efficient)
     * and get a single event callback. You will see no changes until `batchUpdate(false)` is called.
     */
    batchUpdate(flag?: boolean): GridStack;
    /**
     * Gets current cell height.
     */
    getCellHeight(forcePixel?: boolean): number;
    /**
     * Update current cell height - see `GridStackOptions.cellHeight` for format.
     * This method rebuilds an internal CSS style sheet.
     * Note: You can expect performance issues if call this method too often.
     *
     * @param val the cell height. If not passed (undefined), cells content will be made square (match width minus margin),
     * if pass 0 the CSS will be generated by the application instead.
     *
     * @example
     * grid.cellHeight(100); // same as 100px
     * grid.cellHeight('70px');
     * grid.cellHeight(grid.cellWidth() * 1.2);
     */
    cellHeight(val?: numberOrString): GridStack;
    /** Gets current cell width. */
    cellWidth(): number;
    /** return our expected width (or parent) , and optionally of window for dynamic column check */
    protected _widthOrContainer(forBreakpoint?: boolean): number;
    /** checks for dynamic column count for our current size, returning true if changed */
    protected checkDynamicColumn(): boolean;
    /**
     * re-layout grid items to reclaim any empty space. Options are:
     * 'list' keep the widget left->right order the same, even if that means leaving an empty slot if things don't fit
     * 'compact' might re-order items to fill any empty space
     *
     * doSort - 'false' to let you do your own sorting ahead in case you need to control a different order. (default to sort)
     */
    compact(layout?: CompactOptions, doSort?: boolean): GridStack;
    /**
     * set the number of columns in the grid. Will update existing widgets to conform to new number of columns,
     * as well as cache the original layout so you can revert back to previous positions without loss.
     * @param column - Integer > 0 (default 12).
     * @param layout specify the type of re-layout that will happen (position, size, etc...).
     * Note: items will never be outside of the current column boundaries. default ('moveScale'). Ignored for 1 column
     */
    column(column: number, layout?: ColumnOptions): GridStack;
    /**
     * get the number of columns in the grid (default 12)
     */
    getColumn(): number;
    /** returns an array of grid HTML elements (no placeholder) - used to iterate through our children in DOM order */
    getGridItems(): GridItemHTMLElement[];
    /** true if changeCB should be ignored due to column change, sizeToContent, loading, etc... which caller can ignore for dirty flag case */
    isIgnoreChangeCB(): boolean;
    /**
     * Destroys a grid instance. DO NOT CALL any methods or access any vars after this as it will free up members.
     * @param removeDOM if `false` grid and items HTML elements will not be removed from the DOM (Optional. Default `true`).
     */
    destroy(removeDOM?: boolean): GridStack;
    /**
     * enable/disable floating widgets (default: `false`) See [example](http://gridstackjs.com/demo/float.html)
     */
    float(val: boolean): GridStack;
    /**
     * get the current float mode
     */
    getFloat(): boolean;
    /**
     * Get the position of the cell under a pixel on screen.
     * @param position the position of the pixel to resolve in
     * absolute coordinates, as an object with top and left properties
     * @param useDocRelative if true, value will be based on document position vs parent position (Optional. Default false).
     * Useful when grid is within `position: relative` element
     *
     * Returns an object with properties `x` and `y` i.e. the column and row in the grid.
     */
    getCellFromPixel(position: MousePosition, useDocRelative?: boolean): CellPosition;
    /** returns the current number of rows, which will be at least `minRow` if set */
    getRow(): number;
    /**
     * Checks if specified area is empty.
     * @param x the position x.
     * @param y the position y.
     * @param w the width of to check
     * @param h the height of to check
     */
    isAreaEmpty(x: number, y: number, w: number, h: number): boolean;
    /**
     * If you add elements to your grid by hand (or have some framework creating DOM), you have to tell gridstack afterwards to make them widgets.
     * If you want gridstack to add the elements for you, use `addWidget()` instead.
     * Makes the given element a widget and returns it.
     * @param els widget or single selector to convert.
     * @param options widget definition to use instead of reading attributes or using default sizing values
     *
     * @example
     * const grid = GridStack.init();
     * grid.el.innerHtml = '<div id="1" gs-w="3"></div><div id="2"></div>';
     * grid.makeWidget('1');
     * grid.makeWidget('2', {w:2, content: 'hello'});
     */
    makeWidget(els: GridStackElement, options?: GridStackWidget): GridItemHTMLElement;
    /**
     * Event handler that extracts our CustomEvent data out automatically for receiving custom
     * notifications (see doc for supported events)
     * @param name of the event (see possible values) or list of names space separated
     * @param callback function called with event and optional second/third param
     * (see README documentation for each signature).
     *
     * @example
     * grid.on('added', function(e, items) { log('added ', items)} );
     * or
     * grid.on('added removed change', function(e, items) { log(e.type, items)} );
     *
     * Note: in some cases it is the same as calling native handler and parsing the event.
     * grid.el.addEventListener('added', function(event) { log('added ', event.detail)} );
     *
     */
    on(name: 'dropped', callback: GridStackDroppedHandler): GridStack;
    on(name: 'enable' | 'disable', callback: GridStackEventHandler): GridStack;
    on(name: 'change' | 'added' | 'removed' | 'resizecontent', callback: GridStackNodesHandler): GridStack;
    on(name: 'resizestart' | 'resize' | 'resizestop' | 'dragstart' | 'drag' | 'dragstop', callback: GridStackElementHandler): GridStack;
    on(name: string, callback: GridStackEventHandlerCallback): GridStack;
    /**
     * unsubscribe from the 'on' event GridStackEvent
     * @param name of the event (see possible values) or list of names space separated
     */
    off(name: GridStackEvent | string): GridStack;
    /** remove all event handlers */
    offAll(): GridStack;
    /**
     * Removes widget from the grid.
     * @param el  widget or selector to modify
     * @param removeDOM if `false` DOM element won't be removed from the tree (Default? true).
     * @param triggerEvent if `false` (quiet mode) element will not be added to removed list and no 'removed' callbacks will be called (Default? true).
     */
    removeWidget(els: GridStackElement, removeDOM?: boolean, triggerEvent?: boolean): GridStack;
    /**
     * Removes all widgets from the grid.
     * @param removeDOM if `false` DOM elements won't be removed from the tree (Default? `true`).
     * @param triggerEvent if `false` (quiet mode) element will not be added to removed list and no 'removed' callbacks will be called (Default? true).
     */
    removeAll(removeDOM?: boolean, triggerEvent?: boolean): GridStack;
    /**
     * Toggle the grid animation state.  Toggles the `grid-stack-animate` class.
     * @param doAnimate if true the grid will animate.
     * @param delay if true setting will be set on next event loop.
     */
    setAnimation(doAnimate?: boolean, delay?: boolean): GridStack;
    /**
     * Toggle the grid static state, which permanently removes/add Drag&Drop support, unlike disable()/enable() that just turns it off/on.
     * Also toggle the grid-stack-static class.
     * @param val if true the grid become static.
     * @param updateClass true (default) if css class gets updated
     * @param recurse true (default) if sub-grids also get updated
     */
    setStatic(val: boolean, updateClass?: boolean, recurse?: boolean): GridStack;
    /**
     * Updates the passed in options on the grid (similar to update(widget) for for the grid options).
     * @param options PARTIAL grid options to update - only items specified will be updated.
     * NOTE: not all options updating are currently supported (lot of code, unlikely to change)
     */
    updateOptions(o: GridStackOptions): GridStack;
    /**
     * Updates widget position/size and other info. Note: if you need to call this on all nodes, use load() instead which will update what changed.
     * @param els  widget or selector of objects to modify (note: setting the same x,y for multiple items will be indeterministic and likely unwanted)
     * @param opt new widget options (x,y,w,h, etc..). Only those set will be updated.
     */
    update(els: GridStackElement, opt: GridStackWidget): GridStack;
    private moveNode;
    /**
     * Updates widget height to match the content height to avoid v-scrollbar or dead space.
     * Note: this assumes only 1 child under resizeToContentParent='.grid-stack-item-content' (sized to gridItem minus padding) that is at the entire content size wanted.
     * @param el grid item element
     * @param useNodeH set to true if GridStackNode.h should be used instead of actual container height when we don't need to wait for animation to finish to get actual DOM heights
     */
    resizeToContent(el: GridItemHTMLElement): void;
    /** call the user resize (so they can do extra work) else our build in version */
    private resizeToContentCBCheck;
    /** rotate (by swapping w & h) the passed in node - called when user press 'r' during dragging
     * @param els  widget or selector of objects to modify
     * @param relative optional pixel coord relative to upper/left corner to rotate around (will keep that cell under cursor)
     */
    rotate(els: GridStackElement, relative?: Position): GridStack;
    /**
     * Updates the margins which will set all 4 sides at once - see `GridStackOptions.margin` for format options (CSS string format of 1,2,4 values or single number).
     * @param value margin value
     */
    margin(value: numberOrString): GridStack;
    /** returns current margin number value (undefined if 4 sides don't match) */
    getMargin(): number;
    /**
     * Returns true if the height of the grid will be less than the vertical
     * constraint. Always returns true if grid doesn't have height constraint.
     * @param node contains x,y,w,h,auto-position options
     *
     * @example
     * if (grid.willItFit(newWidget)) {
     *   grid.addWidget(newWidget);
     * } else {
     *   alert('Not enough free space to place the widget');
     * }
     */
    willItFit(node: GridStackWidget): boolean;
    /**
     * called when we are being resized - check if the one Column Mode needs to be turned on/off
     * and remember the prev columns we used, or get our count from parent, as well as check for cellHeight==='auto' (square)
     * or `sizeToContent` gridItem options.
     */
    onResize(clientWidth?: number): GridStack;
    /** resizes content for given node (or all) if shouldSizeToContent() is true */
    private resizeToContentCheck;
    /** add or remove the grid element size event handler */
    protected _updateResizeEvent(forceRemove?: boolean): GridStack;
    static GDRev: string;
    /** get the global (but static to this code) DD implementation */
    static getDD(): DDGridStack;
    /**
     * call to setup dragging in from the outside (say toolbar), by specifying the class selection and options.
     * Called during GridStack.init() as options, but can also be called directly (last param are used) in case the toolbar
     * is dynamically create and needs to be set later.
     * @param dragIn string selector (ex: '.sidebar-item') or list of dom elements
     * @param dragInOptions options - see DDDragOpt. (default: {handle: '.grid-stack-item-content', appendTo: 'body'}
     * @param widgets GridStackWidget def to assign to each element which defines what to create on drop
     * @param root optional root which defaults to document (for shadow dom pass the parent HTMLDocument)
     */
    static setupDragIn(dragIn?: string | HTMLElement[], dragInOptions?: DDDragOpt, widgets?: GridStackWidget[], root?: HTMLElement | Document): void;
    /**
     * Enables/Disables dragging by the user of specific grid element. If you want all items, and have it affect future items, use enableMove() instead. No-op for static grids.
     * IF you are looking to prevent an item from moving (due to being pushed around by another during collision) use locked property instead.
     * @param els widget or selector to modify.
     * @param val if true widget will be draggable, assuming the parent grid isn't noMove or static.
     */
    movable(els: GridStackElement, val: boolean): GridStack;
    /**
     * Enables/Disables user resizing of specific grid element. If you want all items, and have it affect future items, use enableResize() instead. No-op for static grids.
     * @param els  widget or selector to modify
     * @param val  if true widget will be resizable, assuming the parent grid isn't noResize or static.
     */
    resizable(els: GridStackElement, val: boolean): GridStack;
    /**
     * Temporarily disables widgets moving/resizing.
     * If you want a more permanent way (which freezes up resources) use `setStatic(true)` instead.
     * Note: no-op for static grid
     * This is a shortcut for:
     * @example
     *  grid.enableMove(false);
     *  grid.enableResize(false);
     * @param recurse true (default) if sub-grids also get updated
     */
    disable(recurse?: boolean): GridStack;
    /**
     * Re-enables widgets moving/resizing - see disable().
     * Note: no-op for static grid.
     * This is a shortcut for:
     * @example
     *  grid.enableMove(true);
     *  grid.enableResize(true);
     * @param recurse true (default) if sub-grids also get updated
     */
    enable(recurse?: boolean): GridStack;
    /**
     * Enables/disables widget moving. No-op for static grids, and locally defined items still overrule
     * @param recurse true (default) if sub-grids also get updated
     */
    enableMove(doEnable: boolean, recurse?: boolean): GridStack;
    /**
     * Enables/disables widget resizing. No-op for static grids.
     * @param recurse true (default) if sub-grids also get updated
     */
    enableResize(doEnable: boolean, recurse?: boolean): GridStack;
    /**
     * prepares the element for drag&drop - this is normally called by makeWidget() unless are are delay loading
     * @param el GridItemHTMLElement of the widget
     * @param [force=false]
     * */
    prepareDragDrop(el: GridItemHTMLElement, force?: boolean): GridStack;
    /** call given event callback on our main top-most grid (if we're nested) */
    protected triggerEvent(event: Event, target: GridItemHTMLElement): void;
    commit(): GridStack;
}