gristlabs_grist-core/app/client/ui/FieldConfig.ts

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import type {GristDoc} from 'app/client/components/GristDoc';
import type {ColumnRec} from 'app/client/models/entities/ColumnRec';
import {buildHighlightedCode, cssCodeBlock} from 'app/client/ui/CodeHighlight';
import {cssLabel, cssRow} from 'app/client/ui/RightPanel';
import {colors, testId, vars} from 'app/client/ui2018/cssVars';
import {textInput} from 'app/client/ui2018/editableLabel';
import {cssIconButton, icon} from 'app/client/ui2018/icons';
import {menu, menuItem} from 'app/client/ui2018/menus';
import {sanitizeIdent} from 'app/common/gutil';
import {Computed, dom, fromKo, MultiHolder, Observable, styled, subscribe} from 'grainjs';
import debounce = require('lodash/debounce');
export function buildNameConfig(owner: MultiHolder, origColumn: ColumnRec) {
const untieColId = origColumn.untieColIdFromLabel;
const editedLabel = Observable.create(owner, '');
const editableColId = Computed.create(owner, editedLabel, (use, edited) =>
'$' + (edited ? sanitizeIdent(edited) : use(origColumn.colId)));
const saveColId = (val: string) => origColumn.colId.saveOnly(val.startsWith('$') ? val.slice(1) : val);
return [
cssLabel('COLUMN LABEL AND ID'),
cssRow(
cssColLabelBlock(
textInput(fromKo(origColumn.label),
async val => { await origColumn.label.saveOnly(val); editedLabel.set(''); },
dom.on('input', (ev, elem) => { if (!untieColId.peek()) { editedLabel.set(elem.value); } }),
dom.boolAttr('disabled', origColumn.disableModify),
testId('field-label'),
),
textInput(editableColId,
saveColId,
dom.boolAttr('disabled', use => use(origColumn.disableModify) || !use(origColumn.untieColIdFromLabel)),
cssCodeBlock.cls(''),
{style: 'margin-top: 8px'},
testId('field-col-id'),
),
),
cssColTieBlock(
cssColTieConnectors(),
cssToggleButton(icon('FieldReference'),
cssToggleButton.cls('-selected', (use) => !use(untieColId)),
dom.on('click', () => untieColId.saveOnly(!untieColId.peek())),
testId('field-derive-id')
),
)
),
];
}
type BuildEditor = (cellElem: Element) => void;
export function buildFormulaConfig(
owner: MultiHolder, origColumn: ColumnRec, gristDoc: GristDoc, buildEditor: BuildEditor
) {
const clearColumn = () => gristDoc.clearColumns([origColumn.id.peek()]);
const convertToData = () => gristDoc.convertFormulasToData([origColumn.id.peek()]);
const errorMessage = createFormulaErrorObs(owner, gristDoc, origColumn);
return dom.maybe(use => {
if (!use(origColumn.id)) { return null; } // Invalid column, show nothing.
if (use(origColumn.isEmpty)) { return "empty"; }
return use(origColumn.isFormula) ? "formula" : "data";
},
(type: "empty"|"formula"|"data") => {
function buildHeader(label: string, menuFunc: () => Element[]) {
return cssRow(
cssInlineLabel(label,
testId('field-is-formula-label'),
),
cssDropdownLabel('Actions', icon('Dropdown'), menu(menuFunc),
cssDropdownLabel.cls('-disabled', origColumn.disableModify),
testId('field-actions-menu'),
)
);
}
function buildFormulaRow(placeholder = 'Enter formula') {
return [
cssRow(dom.create(buildFormula, origColumn, buildEditor, placeholder)),
dom.maybe(errorMessage, errMsg => cssRow(cssError(errMsg), testId('field-error-count'))),
];
}
if (type === "empty") {
return [
buildHeader('EMPTY COLUMN', () => [
menuItem(clearColumn, 'Clear column', dom.cls('disabled', true)),
menuItem(convertToData, 'Make into data column'),
]),
buildFormulaRow(),
];
} else if (type === "formula") {
return [
buildHeader('FORMULA COLUMN', () => [
menuItem(clearColumn, 'Clear column'),
menuItem(convertToData, 'Convert to data column'),
]),
buildFormulaRow(),
];
} else {
return [
buildHeader('DATA COLUMN', () => [
menuItem(clearColumn, 'Clear and make into formula'),
]),
buildFormulaRow('Default formula'),
cssHintRow('Default formula for new records'),
];
}
}
);
}
function buildFormula(owner: MultiHolder, column: ColumnRec, buildEditor: BuildEditor, placeholder: string) {
return cssFieldFormula(column.formula, {placeholder, maxLines: 2},
dom.cls('formula_field_sidepane'),
cssFieldFormula.cls('-disabled', column.disableModify),
cssFieldFormula.cls('-disabled-icon', use => !use(column.formula)),
dom.cls('disabled'),
{tabIndex: '-1'},
dom.on('focus', (ev, elem) => buildEditor(elem)),
);
}
/**
* Create and return an observable for the count of errors in a column, which gets updated in
* response to changes in origColumn and in user data.
*/
function createFormulaErrorObs(owner: MultiHolder, gristDoc: GristDoc, origColumn: ColumnRec) {
const errorMessage = Observable.create(owner, '');
// Count errors in origColumn when it's a formula column. Counts get cached by the
// tableData.countErrors() method, and invalidated on relevant data changes.
function countErrors() {
if (owner.isDisposed()) { return; }
const tableData = gristDoc.docData.getTable(origColumn.table.peek().tableId.peek());
if (tableData && origColumn.isRealFormula.peek()) {
const colId = origColumn.colId.peek();
const numCells = tableData.getColValues(colId)?.length || 0;
const numErrors = tableData.countErrors(colId) || 0;
errorMessage.set(
(numErrors === 0) ? '' :
(numCells === 1) ? `Error in the cell` :
(numErrors === numCells) ? `Errors in all ${numErrors} cells` :
`Errors in ${numErrors} of ${numCells} cells`
);
} else {
errorMessage.set('');
}
}
// Debounce the count calculation to defer it to the end of a bundle of actions.
const debouncedCountErrors = debounce(countErrors, 0);
// If there is an update to the data in the table, count errors again. Since the same UI is
// reused when different page widgets are selected, we need to re-create this subscription
// whenever the selected table changes. We use a Computed to both react to changes and dispose
// the previous subscription when it changes.
Computed.create(owner, (use) => {
const tableData = gristDoc.docData.getTable(use(use(origColumn.table).tableId));
return tableData ? use.owner.autoDispose(tableData.tableActionEmitter.addListener(debouncedCountErrors)) : null;
});
// The counts depend on the origColumn and its isRealFormula status, but with the debounced
// callback and subscription to data, subscribe to relevant changes manually (rather than using
// a Computed).
owner.autoDispose(subscribe(use => { use(origColumn.id); use(origColumn.isRealFormula); debouncedCountErrors(); }));
return errorMessage;
}
const cssFieldFormula = styled(buildHighlightedCode, `
flex: auto;
cursor: pointer;
margin-top: 4px;
padding-left: 24px;
--icon-color: ${colors.lightGreen};
&-disabled-icon.formula_field_sidepane::before {
--icon-color: ${colors.slate};
}
&-disabled {
pointer-events: none;
}
`);
const cssToggleButton = styled(cssIconButton, `
margin-left: 8px;
background-color: var(--grist-color-medium-grey-opaque);
box-shadow: inset 0 0 0 1px ${colors.darkGrey};
&-selected, &-selected:hover {
box-shadow: none;
background-color: ${colors.dark};
--icon-color: ${colors.light};
}
&-selected:hover {
--icon-color: ${colors.darkGrey};
}
`);
const cssInlineLabel = styled(cssLabel, `
padding: 4px 8px;
margin: 4px 0 -4px -8px;
`);
const cssDropdownLabel = styled(cssInlineLabel, `
margin-left: auto;
display: flex;
align-items: center;
border-radius: ${vars.controlBorderRadius};
cursor: pointer;
color: ${colors.lightGreen};
--icon-color: ${colors.lightGreen};
&:hover, &:focus, &.weasel-popup-open {
background-color: ${colors.mediumGrey};
}
&-disabled {
color: ${colors.slate};
--icon-color: ${colors.slate};
pointer-events: none;
}
`);
const cssHintRow = styled('div', `
margin: -4px 16px 8px 16px;
color: ${colors.slate};
text-align: center;
`);
const cssColLabelBlock = styled('div', `
display: flex;
flex-direction: column;
`);
const cssColTieBlock = styled('div', `
position: relative;
`);
const cssColTieConnectors = styled('div', `
position: absolute;
border: 2px solid var(--grist-color-dark-grey);
top: -9px;
bottom: -9px;
right: 11px;
left: 0px;
border-left: none;
z-index: -1;
`);
const cssError = styled('div', `
color: ${colors.error};
`);