2018-07-08 06:38:13 +02:00
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import { createElement } from "./createElement";
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2018-07-08 07:11:34 +02:00
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/**
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* Possible configuration parameters when creating the accordion element.
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*/
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2018-07-08 06:38:13 +02:00
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interface IAccordionConfigurationParameters {
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/**
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* The HTML to appear in the accordion header.
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*/
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hdrText?: string;
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/**
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* A (hopefully) unique identifier for the accordion.
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*/
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id?: string;
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/**
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* The HTML to appear in the expanded accordion.
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*/
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panelText?: string;
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}
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2018-07-08 07:11:34 +02:00
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2018-07-08 06:38:13 +02:00
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/**
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* Creates both the header and panel element of an accordion and sets the click handler
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* @param params The creation parameters.
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*/
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2021-05-01 09:17:31 +02:00
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export function createAccordionElement(params: IAccordionConfigurationParameters): any[] {
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2018-07-08 06:38:13 +02:00
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const liElem: HTMLLIElement = createElement("li") as HTMLLIElement;
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const header: HTMLButtonElement = createElement("button", {
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2018-07-18 18:49:46 +02:00
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class: "accordion-header",
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2018-07-08 06:38:13 +02:00
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clickListener() {
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this.classList.toggle("active");
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const pnl: CSSStyleDeclaration = (this.nextElementSibling as HTMLDivElement).style;
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pnl.display = pnl.display === "block" ? "none" : "block";
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},
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2018-07-08 07:11:34 +02:00
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id: params.id !== undefined ? `${params.id}-hdr` : undefined,
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2018-07-08 06:38:13 +02:00
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innerHTML: params.hdrText,
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}) as HTMLButtonElement;
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const panel: HTMLDivElement = createElement("div", {
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2018-07-18 18:49:46 +02:00
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class: "accordion-panel",
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2018-07-08 07:11:34 +02:00
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id: params.id !== undefined ? `${params.id}-panel` : undefined,
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2018-07-08 06:38:13 +02:00
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innerHTML: params.panelText,
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}) as HTMLDivElement;
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liElem.appendChild(header);
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liElem.appendChild(panel);
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return [
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liElem,
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header,
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panel,
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];
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}
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