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51 lines
1.7 KiB
51 lines
1.7 KiB
import { sameDocumentUrlState, urlState } from 'app/client/models/gristUrlState';
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import { theme } from 'app/client/ui2018/cssVars';
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import { CellValue } from 'app/plugin/GristData';
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import { dom, IDomArgs, Observable, styled } from 'grainjs';
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/**
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* Styling for a simple <A HREF> link.
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*/
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export const cssLink = styled('a', `
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color: ${theme.link};
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--icon-color: ${theme.link};
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text-decoration: none;
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&:hover, &:focus {
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color: ${theme.linkHover};
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--icon-color: ${theme.linkHover};
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text-decoration: underline;
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}
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`);
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export function gristLink(href: string|Observable<string>, ...args: IDomArgs<HTMLElement>) {
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return dom("a",
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dom.attr("href", href),
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dom.attr("target", "_blank"),
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dom.on("click", ev => onClickHyperLink(ev, typeof href === 'string' ? href : href.get())),
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// stop propagation to prevent the grist custom context menu to show up and let the default one
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// to show up instead.
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dom.on("contextmenu", ev => ev.stopPropagation()),
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// As per Google and Mozilla recommendations to prevent opened links
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// from running on the same process as Grist:
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// https://developers.google.com/web/tools/lighthouse/audits/noopener
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dom.attr("rel", "noopener noreferrer"),
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args
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);
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}
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/**
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* If possible (i.e. if `url` points to somewhere in the current document)
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* use pushUrl to navigate without reloading or opening a new tab
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*/
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export async function onClickHyperLink(ev: MouseEvent, url: CellValue) {
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// Only override plain-vanilla clicks.
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if (ev.shiftKey || ev.metaKey || ev.ctrlKey || ev.altKey) { return; }
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const newUrlState = sameDocumentUrlState(url);
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if (!newUrlState) { return; }
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ev.preventDefault();
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await urlState().pushUrl(newUrlState);
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}
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