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import { IDestroyable } from "@implab/core-amd/interfaces";
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import { isDestroyable } from "@implab/core-amd/safe";
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import _WidgetBase = require("dijit/_WidgetBase");
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import registry = require("dijit/registry");
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interface _WidgetBaseConstructor {
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new <A = {}, E extends { [k in keyof E]: Event } = {}>(params?: Partial<_WidgetBase<E> & A>, srcNodeRef?: dojo.NodeOrString): _WidgetBase<E> & dojo._base.DeclareCreatedObject;
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prototype: _WidgetBase<any>;
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}
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export type DojoNodePosition = "first" | "after" | "before" | "last" | "replace" | "only" | number;
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export type DojoNodeLocation = [Node, DojoNodePosition];
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export interface Rendition<TNode extends Node = Node> {
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getDomNode(): TNode;
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placeAt(refNode: string | Node, position?: DojoNodePosition): void;
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}
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/**
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* @deprecated use Rendition
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*/
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export type BuildContext<TNode extends Node = Node> = Rendition<TNode>;
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export interface IRecursivelyDestroyable {
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destroyRecursive(): void;
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}
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export const isNode = (el: unknown): el is Node => !!(el && (el as Node).nodeName && (el as Node).nodeType);
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export const isElementNode = (el: unknown): el is Element => isNode(el) && el.nodeType === 1;
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export const isTextNode = (el: unknown): el is Text => isNode(el) && el.nodeType === 3;
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export const isProcessingInstructionNode = (el: unknown): el is ProcessingInstruction => isNode(el) && el.nodeType === 7;
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export const isCommentNode = (el: unknown): el is Comment => isNode(el) && el.nodeType === 8;
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export const isDocumentNode = (el: unknown): el is Document => isNode(el) && el.nodeType === 9;
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export const isDocumentTypeNode = (el: unknown): el is DocumentType => isNode(el) && el.nodeType === 10;
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export const isDocumentFragmentNode = (el: any): el is DocumentFragment => isNode(el) && el.nodeType === 11;
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export const isWidget = (v: unknown): v is _WidgetBase => !!(v && "domNode" in (v as _WidgetBase));
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export const isRendition = (v: unknown): v is Rendition => !!(v && typeof (v as Rendition).getDomNode === "function");
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/**
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* @deprecated use isRendition
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*/
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export const isBuildContext = isRendition;
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export const isPlainObject = (v: object) => {
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if (typeof v !== "object")
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return false;
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const vp = Object.getPrototypeOf(v);
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return !vp || vp === Object.prototype;
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}
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export const isWidgetConstructor = (v: unknown): v is _WidgetBaseConstructor =>
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typeof v === "function" && v.prototype && (
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"domNode" in v.prototype ||
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"buildRendering" in v.prototype
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);
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/** Tests whether the specified node is placed in visible dom.
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* @param {Node} node The node to test
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*/
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export const isInPage = (node: Node) => node === document.body ? false : document.body.contains(node);
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export const isRecursivelyDestroyable = (target: unknown): target is IRecursivelyDestroyable =>
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!!(target && typeof (target as IRecursivelyDestroyable).destroyRecursive === "function");
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/** Destroys DOM Node with all contained widgets.
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* If the specified node is the root node of a widget, then the
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* widget will be destroyed.
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*
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* @param target DOM Node or widget to destroy
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*/
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export const destroy = (target: Node | IDestroyable | IRecursivelyDestroyable) => {
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if (isRecursivelyDestroyable(target)) {
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target.destroyRecursive();
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} else if (isDestroyable(target)) {
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target.destroy();
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} else if (isNode(target)) {
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if (isElementNode(target)) {
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const w = registry.byNode(target);
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if (w) {
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w.destroyRecursive();
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return;
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} else {
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emptyNode(target);
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}
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}
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const parent = target.parentNode;
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if (parent)
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parent.removeChild(target);
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}
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}
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/** Empties a content of the specified node and destroys all contained widgets.
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*
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* @param target DOM node to empty.
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*/
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export const emptyNode = (target: Node) => {
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registry.findWidgets(target).forEach(destroy);
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for (let c; c = target.lastChild;) { // intentional assignment
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target.removeChild(c);
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}
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}
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/** This function starts all widgets inside the DOM node if the target is a node
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* or starts widget itself if the target is the widget. If the specified node
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* associated with the widget that widget will be started.
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*
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* @param target DOM node to find and start widgets or the widget itself.
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*/
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export const startupWidgets = (target: Node | _WidgetBase, skipNode?: Node) => {
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if (isNode(target)) {
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if (isElementNode(target)) {
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const w = registry.byNode(target);
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if (w) {
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if (w.startup)
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w.startup();
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} else {
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registry.findWidgets(target, skipNode).forEach(x => x.startup());
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}
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}
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} else {
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if (target.startup)
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target.startup();
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}
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}
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/** Places the specified DOM node at the specified location.
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*
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* @param node The node which should be placed
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* @param refNodeOrId The reference node where the created
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* DOM should be placed.
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* @param position Optional parameter, specifies the
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* position relative to refNode. Default is "last" (i.e. last child).
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*/
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export const placeAt = (node: Node, refNodeOrId: string | Node, position: DojoNodePosition = "last") => {
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const ref = typeof refNodeOrId == "string" ? document.getElementById(refNodeOrId) : refNodeOrId;
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if (!ref)
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return;
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const parent = ref.parentNode;
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if (typeof position == "number") {
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if (ref.childNodes.length <= position) {
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ref.appendChild(node);
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} else {
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ref.insertBefore(node, ref.childNodes[position]);
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}
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} else {
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switch (position) {
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case "before":
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parent && parent.insertBefore(node, ref);
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break;
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case "after":
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parent && parent.insertBefore(node, ref.nextSibling);
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break;
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case "first":
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ref.insertBefore(node, ref.firstChild);
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break;
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case "last":
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ref.appendChild(node);
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break;
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case "only":
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emptyNode(ref);
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ref.appendChild(node);
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break;
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case "replace":
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if (parent)
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parent.replaceChild(node, ref);
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destroy(ref);
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break;
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}
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}
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}
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/** Collects nodes from collection to an array.
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*
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* @param collection The collection of nodes.
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* @returns The array of nodes.
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*/
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export const collectNodes = (collection: NodeListOf<ChildNode>) => {
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const items = [];
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for (let i = 0, n = collection.length; i < n; i++) {
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items.push(collection[i]);
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}
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return items;
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};
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export const isMounted = (node: Node) => {
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if (node.parentNode) {
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const parentWidget = registry.getEnclosingWidget(node.parentNode);
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if (parentWidget && parentWidget._started)
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return true;
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}
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if (isInPage(node))
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return true;
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return false;
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};
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