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 {textButton} from 'app/client/ui2018/buttons'; import {ColorOption, colorSelect} from 'app/client/ui2018/ColorSelect'; import {colors, 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-'); export class ConditionalStyle extends Disposable { // Holds data from currently selected record (holds data only when this field has conditional styles). private _currentRecord: Computed; // Helper field for refreshing current record data. private _dataChangeTrigger = Observable.create(this, 0); constructor( private _label: string, private _ruleOwner: RuleOwner, private _gristDoc: GristDoc, ) { 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' }, textButton( 'Add conditional style', testId('add-conditional-style'), dom.on('click', () => this._ruleOwner.addEmptyRule()) ), dom.hide(use => use(this._ruleOwner.hasRules)) ), dom.domComputedOwned( use => use(this._ruleOwner.rulesCols), (owner, rules) => cssRuleList( dom.show(rules.length > 0), ...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) ? 'Error in style rule' : '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 }, save, this._label || 'Conditional Style' ) ), cssRemoveButton( 'Remove', testId(`remove-rule-${ruleIndex}`), dom.on('click', () => this._ruleOwner.removeRule(ruleIndex)) ) ) ); }) ) ), cssRow( textButton('Add another rule', dom.on('click', () => this._ruleOwner.addEmptyRule()), testId('add-another-rule'), ), dom.show(use => use(this._ruleOwner.hasRules)) ), ]; } private _buildStyleOption(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, column: ColumnRec, hasError: Observable ) { return cssFieldFormula( formula, { 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, }); // 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; --icon-color: ${colors.slate}; `); const cssLabel = styled('div', ` text-transform: uppercase; margin: 16px 16px 12px 16px; font-size: ${vars.xsmallFontSize}; `); const cssRow = styled('div', ` display: flex; margin: 8px 16px; align-items: center; &-top-space { margin-top: 24px; } &-disabled { color: ${colors.slate}; } `); const cssRemoveButton = styled(cssIcon, ` flex: none; margin: 6px; margin-right: 0px; transform: translateY(4px); cursor: pointer; --icon-color: ${colors.slate}; &:hover { --icon-color: ${colors.lightGreen}; } `); 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: ${colors.error}; `); 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; `);