traits.ts
214 lines
| 6.9 KiB
| video/mp2t
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r89 | import { IDestroyable } from "@implab/core-amd/interfaces"; | |
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r65 | import { isDestroyable } from "@implab/core-amd/safe"; | |
| import _WidgetBase = require("dijit/_WidgetBase"); | |||
| import registry = require("dijit/registry"); | |||
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r97 | interface _WidgetBaseConstructor { | |
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r108 | new <E extends { [k in keyof E]: Event } = object>(params?: Partial<_WidgetBase<E>> & ThisType<_WidgetBase<E>>, srcNodeRef?: string | Node): _WidgetBase<E> & dojo._base.DeclareCreatedObject; | |
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r107 | prototype: _WidgetBase; | |
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r97 | } | |
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r65 | ||
| export type DojoNodePosition = "first" | "after" | "before" | "last" | "replace" | "only" | number; | |||
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r96 | export type DojoNodeLocation = [Node, DojoNodePosition]; | |
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r94 | ||
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r65 | export interface Rendition<TNode extends Node = Node> { | |
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r101 | getDomNode(): TNode; | |
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r65 | ||
| placeAt(refNode: string | Node, position?: DojoNodePosition): void; | |||
| } | |||
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r72 | /** | |
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r65 | * @deprecated use Rendition | |
| */ | |||
| export type BuildContext<TNode extends Node = Node> = Rendition<TNode>; | |||
| export interface IRecursivelyDestroyable { | |||
| destroyRecursive(): void; | |||
| } | |||
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r96 | export const isNode = (el: unknown): el is Node => !!(el && (el as Node).nodeName && (el as Node).nodeType); | |
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r65 | ||
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r96 | export const isElementNode = (el: unknown): el is Element => isNode(el) && el.nodeType === 1; | |
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r65 | ||
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r96 | export const isTextNode = (el: unknown): el is Text => isNode(el) && el.nodeType === 3; | |
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r65 | ||
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r96 | export const isProcessingInstructionNode = (el: unknown): el is ProcessingInstruction => isNode(el) && el.nodeType === 7; | |
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r65 | ||
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r96 | export const isCommentNode = (el: unknown): el is Comment => isNode(el) && el.nodeType === 8; | |
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r65 | ||
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r96 | export const isDocumentNode = (el: unknown): el is Document => isNode(el) && el.nodeType === 9; | |
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r65 | ||
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r96 | export const isDocumentTypeNode = (el: unknown): el is DocumentType => isNode(el) && el.nodeType === 10; | |
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r65 | ||
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r107 | export const isDocumentFragmentNode = (el: unknown): el is DocumentFragment => isNode(el) && el.nodeType === 11; | |
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r65 | ||
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r96 | export const isWidget = (v: unknown): v is _WidgetBase => !!(v && "domNode" in (v as _WidgetBase)); | |
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r65 | ||
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r96 | export const isRendition = (v: unknown): v is Rendition => !!(v && typeof (v as Rendition).getDomNode === "function"); | |
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r65 | ||
| /** | |||
| * @deprecated use isRendition | |||
| */ | |||
| export const isBuildContext = isRendition; | |||
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r96 | export const isPlainObject = (v: object) => { | |
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r65 | if (typeof v !== "object") | |
| return false; | |||
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r107 | const vp = Object.getPrototypeOf(v) as object; | |
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r65 | return !vp || vp === Object.prototype; | |
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r107 | }; | |
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r65 | ||
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r96 | export const isWidgetConstructor = (v: unknown): v is _WidgetBaseConstructor => | |
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r107 | typeof v === "function" && !!v.prototype && ( | |
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r65 | "domNode" in v.prototype || | |
| "buildRendering" in v.prototype | |||
| ); | |||
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r96 | ||
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r65 | ||
| /** Tests whether the specified node is placed in visible dom. | |||
| * @param {Node} node The node to test | |||
| */ | |||
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r96 | export const isInPage = (node: Node) => node === document.body ? false : document.body.contains(node); | |
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r65 | ||
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r96 | export const isRecursivelyDestroyable = (target: unknown): target is IRecursivelyDestroyable => | |
| !!(target && typeof (target as IRecursivelyDestroyable).destroyRecursive === "function"); | |||
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r65 | ||
| /** Destroys DOM Node with all contained widgets. | |||
| * If the specified node is the root node of a widget, then the | |||
| * widget will be destroyed. | |||
| * | |||
| * @param target DOM Node or widget to destroy | |||
| */ | |||
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r96 | export const destroy = (target: Node | IDestroyable | IRecursivelyDestroyable) => { | |
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r65 | if (isRecursivelyDestroyable(target)) { | |
| target.destroyRecursive(); | |||
| } else if (isDestroyable(target)) { | |||
| target.destroy(); | |||
| } else if (isNode(target)) { | |||
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r93 | if (isElementNode(target)) { | |
| const w = registry.byNode(target); | |||
| if (w) { | |||
| w.destroyRecursive(); | |||
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r102 | return; | |
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r93 | } else { | |
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r96 | emptyNode(target); | |
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r93 | } | |
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r65 | } | |
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r102 | const parent = target.parentNode; | |
| if (parent) | |||
| parent.removeChild(target); | |||
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r65 | } | |
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r107 | }; | |
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r65 | ||
| /** Empties a content of the specified node and destroys all contained widgets. | |||
| * | |||
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r96 | * @param target DOM node to empty. | |
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r65 | */ | |
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r96 | export const emptyNode = (target: Node) => { | |
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r65 | registry.findWidgets(target).forEach(destroy); | |
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r96 | ||
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r107 | // eslint-disable-next-line no-cond-assign | |
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r101 | for (let c; c = target.lastChild;) { // intentional assignment | |
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r96 | target.removeChild(c); | |
| } | |||
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r107 | }; | |
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r65 | ||
| /** This function starts all widgets inside the DOM node if the target is a node | |||
| * or starts widget itself if the target is the widget. If the specified node | |||
| * associated with the widget that widget will be started. | |||
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r72 | * | |
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r65 | * @param target DOM node to find and start widgets or the widget itself. | |
| */ | |||
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r96 | export const startupWidgets = (target: Node | _WidgetBase, skipNode?: Node) => { | |
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r65 | if (isNode(target)) { | |
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r93 | if (isElementNode(target)) { | |
| const w = registry.byNode(target); | |||
| if (w) { | |||
| if (w.startup) | |||
| w.startup(); | |||
| } else { | |||
| registry.findWidgets(target, skipNode).forEach(x => x.startup()); | |||
| } | |||
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r65 | } | |
| } else { | |||
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r72 | if (target.startup) | |
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r69 | target.startup(); | |
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r65 | } | |
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r107 | }; | |
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r94 | ||
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r96 | /** Places the specified DOM node at the specified location. | |
| * | |||
| * @param node The node which should be placed | |||
| * @param refNodeOrId The reference node where the created | |||
| * DOM should be placed. | |||
| * @param position Optional parameter, specifies the | |||
| * position relative to refNode. Default is "last" (i.e. last child). | |||
| */ | |||
| export const placeAt = (node: Node, refNodeOrId: string | Node, position: DojoNodePosition = "last") => { | |||
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r95 | const ref = typeof refNodeOrId == "string" ? document.getElementById(refNodeOrId) : refNodeOrId; | |
| if (!ref) | |||
| return; | |||
| const parent = ref.parentNode; | |||
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r96 | if (typeof position == "number") { | |
| if (ref.childNodes.length <= position) { | |||
| ref.appendChild(node); | |||
| } else { | |||
| ref.insertBefore(node, ref.childNodes[position]); | |||
| } | |||
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r95 | } else { | |
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r96 | switch (position) { | |
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r95 | case "before": | |
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r99 | parent && parent.insertBefore(node, ref); | |
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r96 | break; | |
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r95 | case "after": | |
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r99 | parent && parent.insertBefore(node, ref.nextSibling); | |
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r96 | break; | |
| case "first": | |||
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r101 | ref.insertBefore(node, ref.firstChild); | |
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r96 | break; | |
| case "last": | |||
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r99 | ref.appendChild(node); | |
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r96 | break; | |
| case "only": | |||
| emptyNode(ref); | |||
| ref.appendChild(node); | |||
| break; | |||
| case "replace": | |||
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r95 | if (parent) | |
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r96 | parent.replaceChild(node, ref); | |
| destroy(ref); | |||
| break; | |||
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r95 | } | |
| } | |||
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r107 | }; | |
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r95 | ||
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r96 | /** Collects nodes from collection to an array. | |
| * | |||
| * @param collection The collection of nodes. | |||
| * @returns The array of nodes. | |||
| */ | |||
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r102 | export const collectNodes = (collection: NodeListOf<ChildNode>) => { | |
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r96 | const items = []; | |
| for (let i = 0, n = collection.length; i < n; i++) { | |||
| items.push(collection[i]); | |||
| } | |||
| return items; | |||
| }; | |||
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r95 | ||
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r102 | ||
| export const isMounted = (node: Node) => { | |||
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r96 | if (node.parentNode) { | |
| const parentWidget = registry.getEnclosingWidget(node.parentNode); | |||
| if (parentWidget && parentWidget._started) | |||
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r102 | return true; | |
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r96 | } | |
| if (isInPage(node)) | |||
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r102 | return true; | |
| return false; | |||
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r96 | }; |