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

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import { fromKoSave } from 'app/client/lib/fromKoSave';
import { findLinks } from 'app/client/lib/textUtils';
import { DataRowModel } from 'app/client/models/DataRowModel';
import { ViewFieldRec } from 'app/client/models/entities/ViewFieldRec';
import { cssRow } from 'app/client/ui/RightPanel';
import { alignmentSelect, makeButtonSelect } from 'app/client/ui2018/buttonSelect';
import { colors, testId } from 'app/client/ui2018/cssVars';
import { cssIconBackground, icon } from 'app/client/ui2018/icons';
import { gristLink } from 'app/client/ui2018/links';
import { NewAbstractWidget, Options } from 'app/client/widgets/NewAbstractWidget';
import { dom, DomArg, DomContents, fromKo, Observable, styled } from 'grainjs';
/**
* TextBox - The most basic widget for displaying text information.
*/
export class NTextBox extends NewAbstractWidget {
protected alignment: Observable<string>;
protected wrapping: Observable<boolean>;
constructor(field: ViewFieldRec, options: Options = {}) {
super(field, options);
this.alignment = fromKoSave<string>(this.options.prop('alignment'));
this.wrapping = fromKo(this.field.wrapping);
this.autoDispose(this.wrapping.addListener(() => {
this.field.viewSection().events.trigger('rowHeightChange');
}));
}
public buildConfigDom(): DomContents {
return [
cssRow(
alignmentSelect(this.alignment),
dom('div', {style: 'margin-left: 8px;'},
makeButtonSelect(this.wrapping, [{value: true, icon: 'Wrap'}], this._toggleWrap.bind(this), {}),
testId('tb-wrap-text')
)
)
];
}
public buildDom(row: DataRowModel) {
const value = row.cells[this.field.colId.peek()];
return dom('div.field_clip',
dom.style('text-align', this.alignment),
dom.cls('text_wrapping', this.wrapping),
dom.domComputed((use) => use(row._isAddRow) ? null : makeLinks(use(this.valueFormatter).formatAny(use(value))))
);
}
private _toggleWrap() {
const newValue = !this.wrapping.get();
this.options.update({wrap: newValue});
(this.options as any).save();
}
}
function makeLinks(text: string) {
try {
const domElements: DomArg[] = [];
for (const {value, isLink} of findLinks(text)) {
if (isLink) {
// Wrap link with a span to provide hover on and to override wrapping.
domElements.push(cssMaybeWrap(
gristLink(value,
cssIconBackground(
icon("FieldLink", testId('tb-link-icon')),
dom.cls(cssHoverInText.className),
),
),
linkColor(value),
testId("text-link")
));
} else {
domElements.push(value);
}
}
return domElements;
} catch(ex) {
// In case when something went wrong, simply log and return original text, as showing
// links is not that important.
console.warn("makeLinks failed", ex);
return text;
}
}
// For links we want to break all the parts, not only words.
const cssMaybeWrap = styled('span', `
white-space: inherit;
.text_wrapping & {
word-break: break-all;
white-space: pre-wrap;
}
`);
// A gentle transition effect on hover in, and the same effect on hover out with a little delay.
export const cssHoverIn = (parentClass: string) => styled('span', `
--icon-color: var(--grist-actual-cell-color, ${colors.lightGreen});
margin: -1px 2px 2px 0;
border-radius: 3px;
transition-property: background-color;
transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
transition-duration: 150ms;
transition-delay: 90ms;
.${parentClass}:hover & {
--icon-background: ${colors.lightGreen};
--icon-color: white;
transition-duration: 80ms;
transition-delay: 0ms;
}
`);
const cssHoverInText = cssHoverIn(cssMaybeWrap.className);
const linkColor = styled('span', `
color: var(--grist-actual-cell-color, ${colors.lightGreen});;
`);