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corrected tear down logic handling in observables. Added support for observable query results
corrected tear down logic handling in observables. Added support for observable query results

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r109:4a375b9c654a default
r110:1a190b3a757d v1.4.0 default
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MyWidget.tsx
86 lines | 2.2 KiB | text/x-typescript | TypeScriptLexer
import { djbase, djclass, bind, prototype, AbstractConstructor } from "../declare";
import { DjxWidgetBase } from "../tsx/DjxWidgetBase";
import { createElement, on } from "../tsx";
import { argumentNotNull } from "@implab/core-amd/safe";
interface MyWidgetAttrs {
title: string;
counter: number;
}
interface MyWidgetEvents {
"count-inc": Event & {
detail: number;
};
"count-dec": Event & {
detail: number;
};
}
interface FrameProps {
ref?: JSX.Ref<HTMLDivElement>;
children?: unknown[];
}
const Frame = ({children, ref}: FrameProps) => <div ref={ref} >{children}</div>;
@djclass
export class MyWidget extends djbase(DjxWidgetBase as AbstractConstructor<DjxWidgetBase<MyWidgetAttrs, MyWidgetEvents>>) {
@bind({ node: "titleNode", type: "innerHTML" })
title = "";
@prototype(0)
counter = 0;
frameNode?: HTMLDivElement;
render() {
return <div className="myWidget" onsubmit={this._onSubmit} tabIndex={3} style={{ alignContent: "center", border: "1px solid" }} >
<h1 data-dojo-attach-point="titleNode"></h1>
<Frame ref={this._setFrameElement}>
<span class="up-button" onclick={this._onIncClick}>[+]</span>
<span class="down-button" onclick={() => this._onDecClick()}>[-]</span>
</Frame>
</div>;
}
private readonly _setFrameElement = (node?: HTMLDivElement) => {
this.frameNode = node;
};
postCreate() {
super.postCreate();
this.on("click", () => {});
}
private readonly _onSubmit = (evt: Event) => {
argumentNotNull(evt, "evt");
};
private readonly _onIncClick = (evt: MouseEvent) => {
argumentNotNull(evt, "evt");
this.set("counter", this.counter + 1);
this.emit("count-inc", { bubbles: false });
};
_onDecClick() {
this.emit("count-dec", { bubbles: false, detail: this.counter });
}
@on("count-inc")
private _onCounterInc(evt: Event & { detail: number; x?: number; }) {
argumentNotNull(evt, "evt");
}
@on("click", "keydown")
protected _onClick(evt: MouseEvent | KeyboardEvent) {
argumentNotNull(evt, "evt");
}
}