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Added tag v1.0.8 for changeset dd0d589acfbb

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traits.ts
129 lines | 3.8 KiB | video/mp2t | TypeScriptLexer
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 BuildContext<TNode extends Node = Node> {
getDomNode(): TNode;
placeAt(refNode: string | Node, position?: DojoNodePosition): void;
}
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 isBuildContext(v: any): v is BuildContext {
return typeof v === "object" && typeof v.getDomElement === "function";
}
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.
*
* @param target DOM node to find and start widgets or the widget itself.
*/
export function startupWidgets(target: Node | _WidgetBase, skipNode?: Node) {
if (isNode(target)) {
registry.findWidgets(target, skipNode).forEach(w => w.startup());
} else {
target.startup();
}
}