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

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import {makeT} from 'app/client/lib/localization';
import {GristDoc} from 'app/client/components/GristDoc';
import {ColumnRec} from 'app/client/models/DocModel';
import {KoSaveableObservable} from 'app/client/models/modelUtil';
import {RuleOwner} from 'app/client/models/RuleOwner';
import {Style} from 'app/client/models/Styles';
import {cssFieldFormula} from 'app/client/ui/FieldConfig';
import {GristTooltips} from 'app/client/ui/GristTooltips';
import {withInfoTooltip} from 'app/client/ui/tooltips';
import {textButton} from 'app/client/ui2018/buttons';
import {ColorOption, colorSelect} from 'app/client/ui2018/ColorSelect';
import {theme, vars} from 'app/client/ui2018/cssVars';
import {icon} from 'app/client/ui2018/icons';
import {setupEditorCleanup} from 'app/client/widgets/FieldEditor';
import {cssError, openFormulaEditor} from 'app/client/widgets/FormulaEditor';
import {isRaisedException, isValidRuleValue} from 'app/common/gristTypes';
import {RowRecord} from 'app/plugin/GristData';
import {Computed, Disposable, dom, DomContents, makeTestId, Observable, styled} from 'grainjs';
import debounce = require('lodash/debounce');
const testId = makeTestId('test-widget-style-');
const t = makeT('ConditionalStyle');
export class ConditionalStyle extends Disposable {
// Holds data from currently selected record (holds data only when this field has conditional styles).
private _currentRecord: Computed<RowRecord | undefined>;
// Helper field for refreshing current record data.
private _dataChangeTrigger = Observable.create(this, 0);
constructor(
private _label: string,
private _ruleOwner: RuleOwner,
private _gristDoc: GristDoc,
private _disabled?: Observable<boolean>
) {
super();
this._currentRecord = Computed.create(this, use => {
if (!use(this._ruleOwner.hasRules)) {
return;
}
// As we are not subscribing to data change, we will monitor actions
// that are sent from the server to refresh this computed observable.
void use(this._dataChangeTrigger);
const tableId = use(_ruleOwner.tableId);
const tableData = _gristDoc.docData.getTable(tableId)!;
const cursor = use(_gristDoc.cursorPosition);
// Make sure we are not on the new row.
if (!cursor || typeof cursor.rowId !== 'number') {
return undefined;
}
return tableData.getRecord(cursor.rowId);
});
// Here we will subscribe to tableActionEmitter, and update currentRecord observable.
// We have 'dataChangeTrigger' that is just a number that will be updated every time
// we received some table actions.
const debouncedUpdate = debounce(() => {
if (this._dataChangeTrigger.isDisposed()) {
return;
}
this._dataChangeTrigger.set(this._dataChangeTrigger.get() + 1);
}, 0);
Computed.create(this, (use) => {
const tableId = use(_ruleOwner.tableId);
const tableData = _gristDoc.docData.getTable(tableId);
return tableData ? use.owner.autoDispose(tableData.tableActionEmitter.addListener(debouncedUpdate)) : null;
});
}
public buildDom(): DomContents {
return [
cssRow(
{ style: 'margin-top: 16px' },
withInfoTooltip(
textButton(
t('Add conditional style'),
testId('add-conditional-style'),
dom.on('click', () => this._ruleOwner.addEmptyRule()),
dom.prop('disabled', this._disabled),
),
(this._label === t('Row Style')
? GristTooltips.addRowConditionalStyle()
: GristTooltips.addColumnConditionalStyle()
),
),
dom.hide(use => use(this._ruleOwner.hasRules))
),
dom.domComputedOwned(
use => use(this._ruleOwner.rulesCols),
(owner, rules) =>
cssRuleList(
dom.show(use => rules.length > 0 && (!this._disabled || !use(this._disabled))),
...rules.map((column, ruleIndex) => {
const textColor = this._buildStyleOption(owner, ruleIndex, 'textColor');
const fillColor = this._buildStyleOption(owner, ruleIndex, 'fillColor');
const fontBold = this._buildStyleOption(owner, ruleIndex, 'fontBold');
const fontItalic = this._buildStyleOption(owner, ruleIndex, 'fontItalic');
const fontUnderline = this._buildStyleOption(owner, ruleIndex, 'fontUnderline');
const fontStrikethrough = this._buildStyleOption(owner, ruleIndex, 'fontStrikethrough');
const save = async () => {
// This will save both options.
await this._ruleOwner.rulesStyles.save();
};
const currentValue = Computed.create(owner, use => {
const record = use(this._currentRecord);
if (!record) {
return null;
}
const value = record[use(column.colId)];
return value ?? null;
});
const hasError = Computed.create(owner, use => {
return !isValidRuleValue(use(currentValue));
});
const errorMessage = Computed.create(owner, use => {
const value = use(currentValue);
return (!use(hasError) ? '' :
isRaisedException(value) ? t('Error in style rule') :
t('Rule must return True or False'));
});
return dom('div',
testId(`conditional-rule-${ruleIndex}`),
testId(`conditional-rule`), // for testing
cssLineLabel('IF...'),
cssColumnsRow(
cssLeftColumn(
this._buildRuleFormula(column.formula, column, hasError),
cssRuleError(
dom.text(errorMessage),
dom.show(hasError),
testId(`rule-error-${ruleIndex}`),
),
colorSelect(
{
textColor: new ColorOption({color:textColor, allowsNone: true, noneText: 'default'}),
fillColor: new ColorOption({color:fillColor, allowsNone: true, noneText: 'none'}),
fontBold,
fontItalic,
fontUnderline,
fontStrikethrough
}, {
onSave: save,
placeholder: this._label || 'Conditional Style',
}
)
),
cssRemoveButton(
'Remove',
testId(`remove-rule-${ruleIndex}`),
dom.on('click', () => this._ruleOwner.removeRule(ruleIndex))
)
)
);
})
)
),
cssRow(
textButton(t('Add another rule'),
dom.on('click', () => this._ruleOwner.addEmptyRule()),
testId('add-another-rule'),
dom.prop('disabled', use => this._disabled && use(this._disabled))
),
dom.show(use => use(this._ruleOwner.hasRules))
),
];
}
private _buildStyleOption<T extends keyof Style>(owner: Disposable, index: number, option: T) {
const obs = Computed.create(owner, use => {
const styles = use(this._ruleOwner.rulesStyles);
return styles?.[index]?.[option];
});
obs.onWrite(value => {
const list = Array.from(this._ruleOwner.rulesStyles.peek() ?? []);
list[index] = list[index] ?? {};
list[index][option] = value;
this._ruleOwner.rulesStyles(list);
});
return obs;
}
private _buildRuleFormula(
formula: KoSaveableObservable<string>,
column: ColumnRec,
hasError: Observable<boolean>
) {
return cssFieldFormula(
formula,
{ gristTheme: this._gristDoc.currentTheme, maxLines: 1 },
dom.cls('formula_field_sidepane'),
dom.cls(cssErrorBorder.className, hasError),
{ tabIndex: '-1' },
dom.on('focus', (_, refElem) => {
const section = this._gristDoc.viewModel.activeSection();
const vsi = section.viewInstance();
const editorHolder = openFormulaEditor({
gristDoc: this._gristDoc,
editingFormula: section.editingFormula,
column,
editRow: vsi?.moveEditRowToCursor(),
refElem,
setupCleanup: setupEditorCleanup,
canDetach: false,
});
// Add editor to document holder - this will prevent multiple formula editor instances.
this._gristDoc.fieldEditorHolder.autoDispose(editorHolder);
})
);
}
}
const cssIcon = styled(icon, `
flex: 0 0 auto;
`);
const cssLabel = styled('div', `
text-transform: uppercase;
margin: 16px 16px 12px 16px;
color: ${theme.text};
font-size: ${vars.xsmallFontSize};
`);
const cssRow = styled('div', `
display: flex;
margin: 8px 16px;
align-items: center;
&-top-space {
margin-top: 24px;
}
&-disabled {
color: ${theme.disabledText};
}
`);
const cssRemoveButton = styled(cssIcon, `
flex: none;
margin: 6px;
margin-right: 0px;
transform: translateY(4px);
cursor: pointer;
--icon-color: ${theme.controlSecondaryFg};
&:hover {
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--icon-color: ${theme.controlFg};
}
`);
const cssLineLabel = styled(cssLabel, `
margin-top: 0px;
margin-bottom: 0px;
`);
const cssRuleList = styled('div', `
display: flex;
flex-direction: column;
gap: 12px;
margin-top: 16px;
margin-bottom: 12px;
`);
const cssErrorBorder = styled('div', `
border-color: ${theme.inputInvalid};
`);
const cssRuleError = styled(cssError, `
margin: 2px 0px 10px 0px;
`);
const cssColumnsRow = styled(cssRow, `
align-items: flex-start;
margin-top: 0px;
margin-bottom: 0px;
`);
const cssLeftColumn = styled('div', `
overflow: hidden;
flex: 1;
display: flex;
flex-direction: column;
gap: 4px;
`);