DjxWidgetBase.ts
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| 2.5 KiB
| video/mp2t
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r7 | import { djbase, djclass } from "../declare"; | ||
| import _WidgetBase = require("dijit/_WidgetBase"); | ||||
| import _AttachMixin = require("dijit/_AttachMixin"); | ||||
| import { BuildContext, isNode } from "./traits"; | ||||
| import registry = require("dijit/registry"); | ||||
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r15 | |||
| // type Handle = dojo.Handle; | ||||
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r30 | 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; | ||||
| } | ||||
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r7 | @djclass | ||
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r30 | export abstract class DjxWidgetBase<Attrs = any, Events = any> extends djbase(_WidgetBase, _AttachMixin) { | ||
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r7 | |||
| buildRendering() { | ||||
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r19 | this.domNode = this.render().getDomNode(); | ||
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r7 | super.buildRendering(); | ||
| } | ||||
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r22 | abstract render(): BuildContext<HTMLElement>; | ||
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r7 | |||
| _processTemplateNode<T extends (Element | Node | _WidgetBase)>( | ||||
| baseNode: T, | ||||
| getAttrFunc: (baseNode: T, attr: string) => string, | ||||
| // tslint:disable-next-line: ban-types | ||||
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r22 | attachFunc: (node: T, type: string, func?: Function) => dojo.Handle | ||
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r7 | ): 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); | ||||
| } | ||||
| } | ||||