traits.ts
145 lines
| 4.2 KiB
| video/mp2t
|
TypeScriptLexer
cin
|
r65 | import { IDestroyable } from "@implab/core-amd/interfaces"; | |
import { isDestroyable } from "@implab/core-amd/safe"; | |||
import _WidgetBase = require("dijit/_WidgetBase"); | |||
import registry = require("dijit/registry"); | |||
import dom = require("dojo/dom-construct"); | |||
type _WidgetBaseConstructor = typeof _WidgetBase; | |||
export type DojoNodePosition = "first" | "after" | "before" | "last" | "replace" | "only" | number; | |||
export interface Rendition<TNode extends Node = Node> { | |||
getDomNode(): TNode; | |||
placeAt(refNode: string | Node, position?: DojoNodePosition): void; | |||
} | |||
/** | |||
* @deprecated use Rendition | |||
*/ | |||
export type BuildContext<TNode extends Node = Node> = Rendition<TNode>; | |||
export interface IRecursivelyDestroyable { | |||
destroyRecursive(): void; | |||
} | |||
export function isNode(el: any): el is Node { | |||
return el && el.nodeName && el.nodeType; | |||
} | |||
export function isElementNode(el: any): el is Element { | |||
return isNode(el) && el.nodeType === 1; | |||
} | |||
export function isTextNode(el: any): el is Text { | |||
return isNode(el) && el.nodeType === 3; | |||
} | |||
export function isProcessingInstructionNode(el: any): el is ProcessingInstruction { | |||
return isNode(el) && el.nodeType === 7; | |||
} | |||
export function isCommentNode(el: any): el is Comment { | |||
return isNode(el) && el.nodeType === 8; | |||
} | |||
export function isDocumentNode(el: any): el is Document { | |||
return isNode(el) && el.nodeType === 9; | |||
} | |||
export function isDocumentTypeNode(el: any): el is DocumentType { | |||
return isNode(el) && el.nodeType === 10; | |||
} | |||
export function isDocumentFragmentNode(el: any): el is DocumentFragment { | |||
return isNode(el) && el.nodeType === 11; | |||
} | |||
export function isWidget(v: any): v is _WidgetBase { | |||
return v && "domNode" in v; | |||
} | |||
export function isRendition(v: any): v is Rendition { | |||
return typeof v === "object" && typeof v.getDomElement === "function"; | |||
} | |||
/** | |||
* @deprecated use isRendition | |||
*/ | |||
export const isBuildContext = isRendition; | |||
export function isPlainObject(v: object) { | |||
if (typeof v !== "object") | |||
return false; | |||
const vp = Object.getPrototypeOf(v); | |||
return !vp || vp === Object.prototype; | |||
} | |||
export function isWidgetConstructor(v: any): v is _WidgetBaseConstructor { | |||
return typeof v === "function" && v.prototype && ( | |||
"domNode" in v.prototype || | |||
"buildRendering" in v.prototype | |||
); | |||
} | |||
/** Tests whether the specified node is placed in visible dom. | |||
* @param {Node} node The node to test | |||
*/ | |||
export function isInPage(node: Node) { | |||
return (node === document.body) ? false : document.body.contains(node); | |||
} | |||
export function isRecursivelyDestroyable(target: any): target is IRecursivelyDestroyable { | |||
return target && typeof target.destroyRecursive === "function"; | |||
} | |||
/** 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 | |||
*/ | |||
export function destroy(target: Node | IDestroyable | IRecursivelyDestroyable) { | |||
if (isRecursivelyDestroyable(target)) { | |||
target.destroyRecursive(); | |||
} else if (isDestroyable(target)) { | |||
target.destroy(); | |||
} else if (isNode(target)) { | |||
const self = registry.byNode(target); | |||
if (self) { | |||
self.destroyRecursive(); | |||
} else { | |||
registry.findWidgets(target).forEach(destroy); | |||
dom.destroy(target); | |||
} | |||
} | |||
} | |||
/** Empties a content of the specified node and destroys all contained widgets. | |||
* | |||
* @param target DOM node to . | |||
*/ | |||
export function emptyNode(target: Node) { | |||
registry.findWidgets(target).forEach(destroy); | |||
dom.empty(target); | |||
} | |||
/** 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. | |||
* | |||
* @param target DOM node to find and start widgets or the widget itself. | |||
*/ | |||
export function startupWidgets(target: Node | _WidgetBase, skipNode?: Node) { | |||
if (isNode(target)) { | |||
const w = registry.byNode(target); | |||
if (w) { | |||
w.startup && w.startup(); | |||
} else { | |||
registry.findWidgets(target, skipNode).forEach(w => w.startup()); | |||
} | |||
} else { | |||
target.startup && target.startup(); | |||
} | |||
} |