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72 lines
2.3 KiB
72 lines
2.3 KiB
import {DataRowModel} from 'app/client/models/DataRowModel';
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import {ViewFieldRec} from 'app/client/models/entities/ViewFieldRec';
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import {colors, testId} from 'app/client/ui2018/cssVars';
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import {icon} from 'app/client/ui2018/icons';
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import {NTextBox} from 'app/client/widgets/NTextBox';
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import {dom, styled} from 'grainjs';
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/**
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* Creates a widget for displaying links. Links can entered directly or following a title.
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* The last entry following a space is used as the url.
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* ie 'google https://www.google.com' would apears as 'google' to the user but link to the url.
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*/
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export class HyperLinkTextBox extends NTextBox {
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constructor(field: ViewFieldRec) {
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super(field);
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}
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public buildDom(row: DataRowModel) {
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const value = row.cells[this.field.colId()];
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return cssFieldClip(
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dom.style('text-align', this.alignment),
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dom.cls('text_wrapping', this.wrapping),
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dom.maybe(value, () =>
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dom('a',
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dom.attr('href', (use) => _constructUrl(use(value))),
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dom.attr('target', '_blank'),
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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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cssLinkIcon('FieldLink'),
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testId('tb-link')
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)
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),
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dom.text((use) => _formatValue(use(value))),
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);
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}
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}
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/**
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* Formats value like `foo bar baz` by discarding `baz` and returning `foo bar`.
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*/
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function _formatValue(value: string|null|undefined): string {
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if (typeof value !== 'string') { return ''; }
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const index = value.lastIndexOf(' ');
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return index >= 0 ? value.slice(0, index) : value;
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}
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/**
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* Given value like `foo bar baz`, constructs URL by checking if `baz` is a valid URL and,
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* if not, prepending `http://`.
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*/
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function _constructUrl(value: string): string {
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const url = value.slice(value.lastIndexOf(' ') + 1);
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try {
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// Try to construct a valid URL
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return (new URL(url)).toString();
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} catch (e) {
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// Not a valid URL, so try to prefix it with http
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return 'http://' + url;
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}
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}
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const cssFieldClip = styled('div.field_clip', `
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color: ${colors.lightGreen};
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`);
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const cssLinkIcon = styled(icon, `
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background-color: ${colors.lightGreen};
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margin: -1px 2px 2px 0;
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`);
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