DjxWidgetBase.ts
88 lines
| 3.2 KiB
| video/mp2t
|
TypeScriptLexer
cin
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r65 | import { djbase, djclass } from "../declare"; | ||
import _WidgetBase = require("dijit/_WidgetBase"); | ||||
import _AttachMixin = require("dijit/_AttachMixin"); | ||||
import { Rendition, isNode, startupWidgets } from "./traits"; | ||||
import registry = require("dijit/registry"); | ||||
// type Handle = dojo.Handle; | ||||
export interface EventArgs { | ||||
bubbles?: boolean; | ||||
cancelable?: boolean; | ||||
composed?: boolean; | ||||
} | ||||
export interface DjxWidgetBase<Attrs = any, Events extends { [name in keyof Events]: Event } = any> { | ||||
set<K extends keyof Attrs & string>(key: K, value: Attrs[K]): this; | ||||
set(props: Partial<Attrs>): this; | ||||
get<K extends keyof Attrs & string>(key: K): Attrs[K]; | ||||
on<K extends keyof Events & string>(eventName: K, cb: (evt: Events[K]) => void): dojo.WatchHandle; | ||||
emit<K extends keyof Events & string>(eventName: K, evt: Omit<Events[K], keyof Event> & EventArgs): void; | ||||
} | ||||
@djclass | ||||
export abstract class DjxWidgetBase<Attrs = any, Events = any> extends djbase(_WidgetBase, _AttachMixin) { | ||||
buildRendering() { | ||||
this.domNode = this.render().getDomNode(); | ||||
super.buildRendering(); | ||||
// now we should get assigned data-dojo-attach-points | ||||
// place the contents of the original srcNode to the containerNode | ||||
const src = this.srcNodeRef; | ||||
const dest = this.containerNode; | ||||
if (src && dest) { | ||||
while (src.firstChild) | ||||
dest.appendChild(src.firstChild); | ||||
} | ||||
} | ||||
abstract render(): Rendition<HTMLElement>; | ||||
_processTemplateNode<T extends (Element | Node | _WidgetBase)>( | ||||
baseNode: T, | ||||
getAttrFunc: (baseNode: T, attr: string) => string, | ||||
// tslint:disable-next-line: ban-types | ||||
attachFunc: (node: T, type: string, func?: Function) => dojo.Handle | ||||
): boolean { | ||||
if (isNode(baseNode)) { | ||||
const w = registry.byNode(baseNode); | ||||
if (w) { | ||||
// from dijit/_WidgetsInTemplateMixin | ||||
this._processTemplateNode(w, | ||||
(n, p) => n.get(p), // callback to get a property of a widget | ||||
(widget, type, callback) => { | ||||
if (!callback) | ||||
throw new Error("The callback must be specified"); | ||||
// callback to do data-dojo-attach-event to a widget | ||||
if (type in widget) { | ||||
// back-compat, remove for 2.0 | ||||
return widget.connect(widget, type, callback as EventListener); | ||||
} else { | ||||
// 1.x may never hit this branch, but it's the default for 2.0 | ||||
return widget.on(type, callback); | ||||
} | ||||
}); | ||||
// don't process widgets internals | ||||
return false; | ||||
} | ||||
} | ||||
return super._processTemplateNode(baseNode, getAttrFunc, attachFunc); | ||||
} | ||||
/** Starts current widget and all its supporting widgets (placed outside | ||||
* `containerNode`) and child widgets (placed inside `containerNode`) | ||||
*/ | ||||
startup() { | ||||
// startup supporting widgets | ||||
registry.findWidgets(this.domNode, this.containerNode).forEach(w => w.startup()); | ||||
super.startup(); | ||||
} | ||||
} | ||||