gristlabs_grist-core/app/client/widgets/HyperLinkTextBox.ts

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import { DataRowModel } from 'app/client/models/DataRowModel';
import { ViewFieldRec } from 'app/client/models/entities/ViewFieldRec';
import { constructUrl } from 'app/client/models/gristUrlState';
import { colors, testId } from 'app/client/ui2018/cssVars';
import { cssIconBackground, icon } from 'app/client/ui2018/icons';
import { gristLink } from 'app/client/ui2018/links';
import { cssHoverIn, NTextBox } from 'app/client/widgets/NTextBox';
import { CellValue } from 'app/common/DocActions';
import { Computed, dom, styled } from 'grainjs';
/**
* Creates a widget for displaying links. Links can entered directly or following a title.
* The last entry following a space is used as the url.
* ie 'google https://www.google.com' would apears as 'google' to the user but link to the url.
*/
export class HyperLinkTextBox extends NTextBox {
constructor(field: ViewFieldRec) {
super(field, {defaultTextColor: colors.lightGreen.value});
}
public buildDom(row: DataRowModel) {
const value = row.cells[this.field.colId()];
const url = Computed.create(null, (use) => constructUrl(use(value)));
return cssFieldClip(
dom.autoDispose(url),
dom.style('text-align', this.alignment),
dom.cls('text_wrapping', this.wrapping),
dom.maybe((use) => Boolean(use(value)), () =>
gristLink(url,
cssIconBackground(
icon("FieldLink", testId('tb-link-icon')),
dom.cls(cssHoverOnField.className),
),
testId('tb-link'),
),
),
dom.text((use) => _formatValue(use(value))),
);
}
}
/**
* Formats value like `foo bar baz` by discarding `baz` and returning `foo bar`.
*/
function _formatValue(value: CellValue): string {
if (typeof value !== 'string') { return ''; }
const index = value.lastIndexOf(' ');
return index >= 0 ? value.slice(0, index) : value;
}
const cssFieldClip = styled('div.field_clip', `
color: var(--grist-actual-cell-color, ${colors.lightGreen});
`);
const cssHoverOnField = cssHoverIn(cssFieldClip.className);