import BaseView from 'app/client/components/BaseView'; import {SequenceNEVER, SequenceNum} from 'app/client/components/Cursor'; import {EmptyFilterColValues, LinkingState} from 'app/client/components/LinkingState'; import {KoArray} from 'app/client/lib/koArray'; import {fieldInsertPositions} from 'app/client/lib/tableUtil'; import {ColumnToMapImpl} from 'app/client/models/ColumnToMap'; import { ColumnRec, DocModel, FilterRec, IRowModel, recordSet, refListRecords, refRecord, TableRec, ViewFieldRec, ViewRec } from 'app/client/models/DocModel'; import {BEHAVIOR} from 'app/client/models/entities/ColumnRec'; import * as modelUtil from 'app/client/models/modelUtil'; import {removeRule, RuleOwner} from 'app/client/models/RuleOwner'; import {LinkConfig} from 'app/client/ui/selectBy'; import {getWidgetTypes} from "app/client/ui/widgetTypesMap"; import {FilterColValues} from "app/common/ActiveDocAPI"; import {AccessLevel, ICustomWidget} from 'app/common/CustomWidget'; import {UserAction} from 'app/common/DocActions'; import {RecalcWhen} from 'app/common/gristTypes'; import {arrayRepeat} from 'app/common/gutil'; import {Sort} from 'app/common/SortSpec'; import {WidgetType} from 'app/common/widgetTypes'; import {ColumnsToMap, WidgetColumnMap} from 'app/plugin/CustomSectionAPI'; import {CursorPos, UIRowId} from 'app/plugin/GristAPI'; import {GristObjCode} from 'app/plugin/GristData'; import {Computed, Holder, Observable} from 'grainjs'; import * as ko from 'knockout'; import defaults = require('lodash/defaults'); export interface InsertColOptions { colInfo?: ColInfo; index?: number; nestInActiveBundle?: boolean; } export interface ColInfo { label?: string; type?: string; isFormula?: boolean; formula?: string; recalcWhen?: RecalcWhen; recalcDeps?: [GristObjCode.List, ...number[]]|null; widgetOptions?: string; } export interface NewColInfo { colId: string; colRef: number; } export interface NewFieldInfo extends NewColInfo { fieldRef: number; } // Represents a section of user views, now also known as a "page widget" (e.g. a view may contain // a grid section and a chart section). export interface ViewSectionRec extends IRowModel<"_grist_Views_section">, RuleOwner { viewFields: ko.Computed>; // List of sections linked from this one, i.e. for whom this one is the selector or link source. linkedSections: ko.Computed>; // All table columns associated with this view section, excluding hidden helper columns. columns: ko.Computed; optionsObj: modelUtil.SaveableObjObservable; shareOptionsObj: modelUtil.SaveableObjObservable; customDef: CustomViewSectionDef; themeDef: modelUtil.KoSaveableObservable; chartTypeDef: modelUtil.KoSaveableObservable; view: ko.Computed; table: ko.Computed; // Widget title with a default value titleDef: modelUtil.KoSaveableObservable; // Default widget title (the one that is used in titleDef). defaultWidgetTitle: ko.PureComputed; description: modelUtil.KoSaveableObservable; // true if this record is its table's rawViewSection, i.e. a 'raw data view' // in which case the UI prevents various things like hiding columns or changing the widget type. isRaw: ko.Computed; tableRecordCard: ko.Computed isRecordCard: ko.Computed; /** True if this section is disabled. Currently only used by Record Card sections. */ disabled: modelUtil.KoSaveableObservable; /** True if the Record Card section of this section's table is disabled. */ isTableRecordCardDisabled: ko.Computed; isVirtual: ko.Computed; isCollapsed: ko.Computed; borderWidthPx: ko.Computed; layoutSpecObj: modelUtil.SaveableObjObservable; _savedFilters: ko.Computed>; /** * Unsaved client-side filters, keyed by original col ref. Currently only wiped when unsaved filters * are applied or reverted. * * If saved filters exist for a col ref, unsaved filters take priority and are applied instead. This * prevents disruption when changes are made to saved filters for the same field/column, but there * may be some cases where we'd want to reset _unsavedFilters on some indirect change to the document. * * NOTE: See `filters`, where `_unsavedFilters` is merged with `savedFilters`. */ _unsavedFilters: Map>; /** * Filter information for all fields/section in the section. * * Re-computed on changes to `savedFilters`, as well as any changes to `viewFields` or `columns`. Any * unsaved filters saved in `_unsavedFilters` are applied on computation, taking priority over saved * filters for the same field/column, if any exist. */ filters: ko.Computed; // Subset of `filters` containing non-blank active filters. activeFilters: Computed; // Subset of `activeFilters` that are pinned. pinnedActiveFilters: Computed; // Helper metadata item which indicates whether any of the section's fields/columns have unsaved // changes to their filters. (True indicates unsaved changes) filterSpecChanged: Computed; // Set to true when a second pinned filter is added, to trigger a behavioral prompt. Note that // the popup is only shown once, even if this observable is set to true again in the future. showNestedFilteringPopup: Observable; // Customizable version of the JSON-stringified sort spec. It may diverge from the saved one. activeSortJson: modelUtil.CustomComputed; // is an array (parsed from JSON) of colRefs (i.e. rowIds into the columns table), with a // twist: a rowId may be positive or negative, for ascending or descending respectively. activeSortSpec: modelUtil.ObjObservable; // Modified sort spec to take into account any active display columns. activeDisplaySortSpec: ko.Computed; // Evaluates to an array of column models, which are not referenced by anything in viewFields. hiddenColumns: ko.Computed; hasFocus: ko.Computed; // Section-linking affects table if linkSrcSection is set. The controller value of the // link is the value of srcCol at activeRowId of linkSrcSection, or activeRowId itself when // srcCol is unset. If targetCol is set, we filter for all rows whose targetCol is equal to // the controller value. Otherwise, the controller value determines the rowId of the cursor. /** * Section selected in the `Select By` dropdown. Used for filtering this section. */ linkSrcSection: ko.Computed; /** * Column selected in the `Select By` dropdown in the remote section. It points to a column in remote section * that contains a reference to this table (or common table - because we can be linked by having the same reference * to some other section). * Used for filtering this section. Can be empty as user can just link by section. * Watch out, it is not cleared, so it is only valid when we have linkSrcSection. * In UI it is shown as Target Section (dot) Target Column. */ linkSrcCol: ko.Computed; /** * In case we have multiple reference columns, that are shown as * Target Section -> My Column or * Target Section . Target Column -> My Column * store the reference to the column (my column) to use. */ linkTargetCol: ko.Computed; // Linking state maintains .filterFunc and .cursorPos observables which we use for // auto-scrolling and filtering. linkingState: ko.Computed; _linkingState: Holder; // Holder for the current value of linkingState linkingFilter: ko.Computed; activeRowId: ko.Observable; // May be null when there are no rows. lastCursorEdit: ko.Observable; // If the view instance for section is instantiated, it will be accessible here. viewInstance: ko.Observable; // Describes the most recent cursor position in the section. Only rowId and fieldIndex are used. lastCursorPos: CursorPos; // Describes the most recent scroll position. lastScrollPos: { rowIndex: number; // Used for scrolly sections. Indicates the index of the first visible row. offset: number; // Pixel distance past the top of row indicated by rowIndex. scrollLeft: number; // Used for grid sections. Indicates the scrollLeft value of the scroll pane. }; disableAddRemoveRows: ko.Computed; isSorted: ko.Computed; disableDragRows: ko.Computed; // Number of frozen columns rawNumFrozen: modelUtil.CustomComputed; // Number for frozen columns to display. // We won't freeze all the columns on a grid, it will leave at least 1 column unfrozen. numFrozen: ko.Computed; activeCustomOptions: modelUtil.CustomComputed; // Temporary fields used to communicate with the Custom Widget. There are set through the Widget API. // Temporary variable holding columns mapping requested by the widget (set by API). columnsToMap: ko.Observable; // Temporary variable holding columns mapped by the user; mappedColumns: ko.Computed; // Temporary variable holding flag that describes if the widget supports custom options (set by API). hasCustomOptions: ko.Observable; // Temporary variable holding widget desired access (changed either from manifest or via API). desiredAccessLevel: ko.Observable; // Show widget as linking source. Used by custom widget. allowSelectBy: ko.Observable; // List of selected rows from a custom widget, or null if a filter shouldn't be applied. selectedRows: ko.Observable; // If the row filter is active (i.e. if selectedRows is non-null). Separate computed to avoid // re-computing the filter when selectedRows changes. selectedRowsActive: ko.Computed; editingFormula: ko.Computed; // Selected fields (columns) for the section. selectedFields: ko.Observable; // Some computed observables for multi-select, used in the creator panel, by more than one widgets. // Common column behavior or mixed. columnsBehavior: ko.PureComputed; // If all selected columns are empty or formula column. columnsAllIsFormula: ko.PureComputed; // Common type of selected columns or mixed. columnsType: ko.PureComputed; widgetType: modelUtil.KoSaveableObservable; // Save all filters of fields/columns in the section. saveFilters(): Promise; // Revert all filters of fields/columns in the section. revertFilters(): void; // Set `filter` for the field or column identified by `colRef`. setFilter(colRef: number, filter: Partial): void; // Revert the filter of the field or column identified by `colRef`. revertFilter(colRef: number): void; // Saves custom definition (bundles change) saveCustomDef(): Promise; insertColumn(colId?: string|null, options?: InsertColOptions): Promise; /** * Shows column (by adding a view field) * @param col ColId or ColRef * @param index Position to insert the column at * @returns ViewField rowId */ showColumn(col: number|string, index?: number): Promise /** * Removes one or multiple fields. * @param colRef */ removeField(colRef: number|Array): Promise; } export type WidgetMappedColumn = number|number[]|null; export type WidgetColumnMapping = Record export interface CustomViewSectionDef { /** * The mode. */ mode: modelUtil.KoSaveableObservable<"url"|"plugin">; /** * The url. */ url: modelUtil.KoSaveableObservable; /** * A widgetId, if available. Preferred to url. * For bundled custom widgets, it is important to refer * to them by something other than url, since url will * vary with deployment, and it should be possible to move * documents between deployments if they have compatible * widgets available. */ widgetId: modelUtil.KoSaveableObservable; /** * Custom widget information. This is a record of what was * in a custom widget manifest entry when the widget was * configured. Its contents should not be relied on too much. * In particular, any URL contained may come from an entirely * different installation of Grist. */ widgetDef: modelUtil.KoSaveableObservable; /** * Custom widget options. */ widgetOptions: modelUtil.KoSaveableObservable|null>; /** * Custom widget interaction options. */ columnsMapping: modelUtil.KoSaveableObservable; /** * Access granted to url. */ access: modelUtil.KoSaveableObservable; /** * The plugin id. */ pluginId: modelUtil.KoSaveableObservable; /** * The section id. */ sectionId: modelUtil.KoSaveableObservable; /** * If set, render the widget after `grist.ready()`. * * This is used to defer showing a widget on initial load until it has finished * applying the Grist theme. */ renderAfterReady: modelUtil.KoSaveableObservable; } /** Information about filters for a field or hidden column. */ export interface FilterInfo { /** The section that's being filtered. */ viewSection: ViewSectionRec; /** The field or column that's being filtered. (Field if column is visible.) */ fieldOrColumn: ViewFieldRec|ColumnRec; /** Filter that applies to this field/column, if any. */ filter: modelUtil.CustomComputed; /** Whether this filter is pinned to the filter bar. */ pinned: modelUtil.CustomComputed; /** True if `filter` has a non-blank value. */ isFiltered: ko.PureComputed; /** True if `pinned` is true. */ isPinned: ko.PureComputed; } export interface Filter { filter: string; pinned: boolean; } export function createViewSectionRec(this: ViewSectionRec, docModel: DocModel): void { this.widgetType = this.parentKey as any; this.viewFields = recordSet(this, docModel.viewFields, 'parentId', {sortBy: 'parentPos'}); this.linkedSections = recordSet(this, docModel.viewSections, 'linkSrcSectionRef'); // All table columns associated with this view section, excluding any hidden helper columns. this.columns = this.autoDispose(ko.pureComputed(() => this.table().visibleColumns())); this.editingFormula = ko.pureComputed({ read: () => docModel.editingFormula(), write: val => { docModel.editingFormula(val); } }); const defaultOptions = { verticalGridlines: true, horizontalGridlines: true, zebraStripes: false, customView: '', numFrozen: 0 }; this.optionsObj = modelUtil.jsonObservable(this.options, (obj: any) => defaults(obj || {}, defaultOptions)); this.shareOptionsObj = modelUtil.jsonObservable(this.shareOptions); const customViewDefaults = { mode: 'url', url: null, widgetDef: null, access: '', pluginId: '', sectionId: '', renderAfterReady: false, }; const customDefObj = modelUtil.jsonObservable(this.optionsObj.prop('customView'), (obj: any) => defaults(obj || {}, customViewDefaults)); this.customDef = { mode: customDefObj.prop('mode'), url: customDefObj.prop('url'), widgetId: customDefObj.prop('widgetId'), widgetDef: customDefObj.prop('widgetDef'), widgetOptions: customDefObj.prop('widgetOptions'), columnsMapping: customDefObj.prop('columnsMapping'), access: customDefObj.prop('access'), pluginId: customDefObj.prop('pluginId'), sectionId: customDefObj.prop('sectionId'), renderAfterReady: customDefObj.prop('renderAfterReady'), }; this.selectedFields = ko.observable([]); // During schema change, some columns/fields might be disposed beyond our control. const selectedColumns = this.autoDispose(ko.pureComputed(() => this.selectedFields() .filter(f => !f.isDisposed()) .map(f => f.column()) .filter(c => !c.isDisposed()))); this.columnsBehavior = ko.pureComputed(() => { const list = new Set(selectedColumns().map(c => c.behavior())); return list.size === 1 ? list.values().next().value : 'mixed'; }); this.columnsType = ko.pureComputed(() => { const list = new Set(selectedColumns().map(c => c.type())); return list.size === 1 ? list.values().next().value : 'mixed'; }); this.columnsAllIsFormula = ko.pureComputed(() => { return selectedColumns().every(c => c.isFormula()); }); this.activeCustomOptions = modelUtil.customValue(this.customDef.widgetOptions); this.saveCustomDef = async () => { await customDefObj.save(); this.activeCustomOptions.revert(); }; this.themeDef = modelUtil.fieldWithDefault(this.theme, 'form'); this.chartTypeDef = modelUtil.fieldWithDefault(this.chartType, 'bar'); this.view = refRecord(docModel.views, this.parentId); this.table = refRecord(docModel.tables, this.tableRef); // The user-friendly name of the table, which is the same as tableId for non-summary tables, // and is 'tableId[groupByCols...]' for summary tables. // Consist of 3 parts // - TableId (or primary table id for summary tables) capitalized // - Grouping description (table record contains this for summary tables) // - Widget type description (if not grid) // All concatenated separated by space. this.defaultWidgetTitle = this.autoDispose(ko.pureComputed(() => { const widgetTypeDesc = this.parentKey() !== 'record' ? `${getWidgetTypes(this.parentKey.peek() as any).getLabel()}` : ''; const table = this.table(); return [ table.tableNameDef()?.toUpperCase(), // Due to ACL this can be null. table.groupDesc(), widgetTypeDesc ].filter(part => Boolean(part?.trim())).join(' '); })); // Widget title. this.titleDef = modelUtil.fieldWithDefault(this.title, this.defaultWidgetTitle); // Widget description this.description = modelUtil.fieldWithDefault(this.description, this.description()); // true if this record is its table's rawViewSection, i.e. a 'raw data view' // in which case the UI prevents various things like hiding columns or changing the widget type. this.isRaw = this.autoDispose(ko.pureComputed(() => this.table().rawViewSectionRef() === this.id())); this.tableRecordCard = this.autoDispose(ko.pureComputed(() => this.table().recordCardViewSection())); this.isRecordCard = this.autoDispose(ko.pureComputed(() => this.table().recordCardViewSectionRef() === this.id())); this.disabled = modelUtil.fieldWithDefault(this.optionsObj.prop('disabled'), false); this.isTableRecordCardDisabled = this.autoDispose(ko.pureComputed(() => this.tableRecordCard().disabled() || this.table().summarySourceTable() !== 0)); this.isVirtual = this.autoDispose(ko.pureComputed(() => typeof this.id() === 'string')); this.borderWidthPx = ko.pureComputed(() => this.borderWidth() + 'px'); this.layoutSpecObj = modelUtil.jsonObservable(this.layoutSpec); this._savedFilters = recordSet(this, docModel.filters, 'viewSectionRef'); /** * Unsaved client-side filters, keyed by original col ref. Currently only wiped when unsaved filters * are applied or reverted. * * If saved filters exist for a col ref, unsaved filters take priority and are applied instead. This * prevents disruption when changes are made to saved filters for the same field/column, but there * may be some cases where we'd want to reset _unsavedFilters on some indirect change to the document. * * NOTE: See `filters`, where `_unsavedFilters` is merged with `savedFilters`. */ this._unsavedFilters = new Map(); /** * Filter information for all fields/columns in the section. * * Re-computed on changes to `savedFilters`, as well as any changes to `viewFields` or `columns`. Any * unsaved filters saved in `_unsavedFilters` are applied on computation, taking priority over saved * filters for the same field/column, if any exist. */ this.filters = this.autoDispose(ko.computed(() => { const savedFiltersByColRef = new Map(this._savedFilters().all().map(f => [f.colRef(), f])); const viewFieldsByColRef = new Map(this.viewFields().all().map(f => [f.origCol().getRowId(), f])); return this.columns().map(column => { const savedFilter = savedFiltersByColRef.get(column.origColRef()); // Initialize with a saved filter, if one exists. Otherwise, use a blank filter. const filter = modelUtil.customComputed({ read: () => { return savedFilter ? savedFilter.activeFilter() : ''; }, }); const pinned = modelUtil.customComputed({ read: () => { return savedFilter ? savedFilter.pinned() : false; }, }); // If an unsaved filter exists, overwrite the filter with it. const unsavedFilter = this._unsavedFilters.get(column.origColRef()); if (unsavedFilter) { const {filter: f, pinned: p} = unsavedFilter; if (f !== undefined) { filter(f); } if (p !== undefined) { pinned(p); } } return { viewSection: this, filter, pinned, fieldOrColumn: viewFieldsByColRef.get(column.origColRef()) ?? column, isFiltered: ko.pureComputed(() => filter() !== ''), isPinned: ko.pureComputed(() => pinned()), }; }); })); // List of `filters` that have non-blank active filters. this.activeFilters = Computed.create(this, use => use(this.filters).filter(f => use(f.isFiltered))); // List of `activeFilters` that are pinned. this.pinnedActiveFilters = Computed.create(this, use => use(this.activeFilters).filter(f => use(f.isPinned))); // Helper metadata item which indicates whether any of the section's fields/columns have unsaved // changes to their filters. (True indicates unsaved changes) this.filterSpecChanged = Computed.create(this, use => { return use(this.filters).some(col => !use(col.filter.isSaved) || !use(col.pinned.isSaved)); }); this.showNestedFilteringPopup = Observable.create(this, false); // Save all filters of fields/columns in the section. this.saveFilters = () => { return docModel.docData.bundleActions(`Save all filters in ${this.titleDef()}`, async () => { const savedFiltersByColRef = new Map(this._savedFilters().all().map(f => [f.colRef(), f])); const updatedFilters: [number, Filter][] = []; // Pairs of row ids and filters to update. const removedFilterIds: number[] = []; // Row ids of filters to remove. const newFilters: [number, Filter][] = []; // Pairs of column refs and filters to add. for (const f of this.filters()) { const {fieldOrColumn, filter, pinned} = f; // Skip saved filters (i.e. filters whose local values are unchanged from server). if (filter.isSaved() && pinned.isSaved()) { continue; } const savedFilter = savedFiltersByColRef.get(fieldOrColumn.origCol().origColRef()); if (!savedFilter) { // Never save blank filters. (This is primarily a sanity check.) if (filter() === '') { continue; } // Since no saved filter exists, we must add a new record to the filters table. newFilters.push([fieldOrColumn.origCol().origColRef(), { filter: filter(), pinned: pinned(), }]); } else if (filter() === '') { // Mark the saved filter for removal from the filters table. removedFilterIds.push(savedFilter.id()); } else { // Mark the saved filter for update in the filters table. updatedFilters.push([savedFilter.id(), { filter: filter(), pinned: pinned(), }]); } } const actions: UserAction[] = []; // Remove records of any deleted filters. if (removedFilterIds.length > 0) { actions.push(['BulkRemoveRecord', removedFilterIds]); } // Update existing filter records with new filter values. if (updatedFilters.length > 0) { actions.push(['BulkUpdateRecord', updatedFilters.map(([id]) => id), { filter: updatedFilters.map(([, {filter}]) => filter), pinned: updatedFilters.map(([, {pinned}]) => pinned), } ]); } // Add new filter records. if (newFilters.length > 0) { actions.push(['BulkAddRecord', arrayRepeat(newFilters.length, null), { viewSectionRef: arrayRepeat(newFilters.length, this.id()), colRef: newFilters.map(([colRef]) => colRef), filter: newFilters.map(([, {filter}]) => filter), pinned: newFilters.map(([, {pinned}]) => pinned), } ]); } if (actions.length > 0) { await docModel.filters.sendTableActions(actions); } // Reset client filter state. this.revertFilters(); } ); }; // Revert all filters of fields/columns in the section. this.revertFilters = () => { this._unsavedFilters.clear(); this.filters().forEach(c => { c.filter.revert(); c.pinned.revert(); }); }; // Set `filter` for the field or column identified by `colRef`. this.setFilter = (colRef: number, filter: Partial) => { this._unsavedFilters.set(colRef, {...this._unsavedFilters.get(colRef), ...filter}); const filterInfo = this.filters().find(c => c.fieldOrColumn.origCol().origColRef() === colRef); if (!filterInfo) { return; } const {filter: newFilter, pinned: newPinned} = filter; if (newFilter !== undefined) { filterInfo.filter(newFilter); } if (newPinned !== undefined) { filterInfo.pinned(newPinned); } }; // Revert the filter of the field or column identified by `colRef`. this.revertFilter = (colRef: number) => { this._unsavedFilters.delete(colRef); const filterInfo = this.filters().find(c => c.fieldOrColumn.origCol().origColRef() === colRef); if (!filterInfo) { return; } filterInfo.filter.revert(); filterInfo.pinned.revert(); }; // Customizable version of the JSON-stringified sort spec. It may diverge from the saved one. this.activeSortJson = modelUtil.customValue(this.sortColRefs); // This is an array (parsed from JSON) of colRefs (i.e. rowIds into the columns table), with a // twist: a rowId may be positive or negative, for ascending or descending respectively. // TODO: This method of ignoring columns which are deleted is inefficient and may cause conflicts // with sharing. this.activeSortSpec = modelUtil.jsonObservable(this.activeSortJson, (obj: Sort.SortSpec|null) => { return (obj || []).filter((sortRef: Sort.ColSpec) => { const colModel = docModel.columns.getRowModel(Sort.getColRef(sortRef) as number /* HACK: for virtual tables */); return !colModel._isDeleted() && colModel.getRowId(); }); }); // Modified sort spec to take into account any active display columns. this.activeDisplaySortSpec = this.autoDispose(ko.computed(() => { return this.activeSortSpec().map(directionalColRef => { const colRef = Sort.getColRef(directionalColRef); const field = this.viewFields().all().find(f => f.column().origColRef() === colRef); const effectiveColRef = field ? field.displayColRef() : colRef; return Sort.swapColRef(directionalColRef, effectiveColRef); }); })); // Evaluates to an array of column models, which are not referenced by anything in viewFields. this.hiddenColumns = this.autoDispose(ko.pureComputed(() => { const included = new Set(this.viewFields().all().map((f) => f.column().origColRef())); return this.columns().filter(c => !included.has(c.getRowId())); })); this.hasFocus = ko.pureComputed({ // Read may occur for recently disposed sections, must check condition first. read: () => !this.isDisposed() && this.view().activeSectionId() === this.id(), write: (val) => { this.view().activeSectionId(val ? this.id() : 0); } }); // Section-linking affects this table if linkSrcSection is set. The controller value of the // link is the value of srcCol at activeRowId of linkSrcSection, or activeRowId itself when // srcCol is unset. If targetCol is set, we filter for all rows whose targetCol is equal to // the controller value. Otherwise, the controller value determines the rowId of the cursor. this.linkSrcSection = refRecord(docModel.viewSections, this.linkSrcSectionRef); this.linkSrcCol = refRecord(docModel.columns, this.linkSrcColRef); this.linkTargetCol = refRecord(docModel.columns, this.linkTargetColRef); this.activeRowId = ko.observable(null); this.lastCursorEdit = ko.observable(SequenceNEVER); this._linkingState = Holder.create(this); this.linkingState = this.autoDispose(ko.pureComputed(() => { if (!this.linkSrcSectionRef()) { // This view section isn't selected by anything. return null; } try { const config = new LinkConfig(this); return LinkingState.create(this._linkingState, docModel, config); } catch (err) { console.warn(err); // Dispose old LinkingState in case creating the new one failed. this._linkingState.clear(); return null; } })); this.linkingFilter = this.autoDispose(ko.pureComputed(() => { return this.linkingState()?.filterColValues?.() || EmptyFilterColValues; })); // If the view instance for this section is instantiated, it will be accessible here. this.viewInstance = ko.observable(null); // Describes the most recent cursor position in the section. this.lastCursorPos = { rowId: 0, fieldIndex: 0 }; // Describes the most recent scroll position. this.lastScrollPos = { rowIndex: 0, // Used for scrolly sections. Indicates the index of the first visible row. offset: 0, // Pixel distance past the top of row indicated by rowIndex. scrollLeft: 0 // Used for grid sections. Indicates the scrollLeft value of the scroll pane. }; this.disableAddRemoveRows = ko.pureComputed(() => this.table().disableAddRemoveRows()); this.isSorted = ko.pureComputed(() => this.activeSortSpec().length > 0); this.disableDragRows = ko.pureComputed(() => this.isSorted() || !this.table().supportsManualSort()); // Number of frozen columns this.rawNumFrozen = modelUtil.customValue(this.optionsObj.prop('numFrozen')); // Number for frozen columns to display this.numFrozen = ko.pureComputed(() => Math.max( 0, Math.min( this.rawNumFrozen(), this.viewFields().all().length - 1 ) ) ); this.hasCustomOptions = ko.observable(false); this.desiredAccessLevel = ko.observable(null); this.columnsToMap = ko.observable(null); // Calculate mapped columns for Custom Widget. this.mappedColumns = ko.pureComputed(() => { // First check if widget has requested a custom column mapping and // if we have a saved configuration. const request = this.columnsToMap(); const mapping = this.customDef.columnsMapping(); if (!request || !mapping) { return null; } // Convert simple column expressions (widget can just specify a name of a column) to a rich column definition. const columnsToMap = request.map(r => new ColumnToMapImpl(r)); const result: WidgetColumnMap = {}; // Prepare map of existing column, will need this for translating colRefs to colIds. const colMap = new Map(this.columns().map(f => [f.id.peek(), f])); for(const widgetCol of columnsToMap) { // Start with marking this column as not mapped. result[widgetCol.name] = widgetCol.allowMultiple ? [] : null; const mappedCol = mapping[widgetCol.name]; if (!mappedCol) { continue; } if (widgetCol.allowMultiple) { // We expect a list of colRefs be mapped; if (!Array.isArray(mappedCol)) { continue; } const columns = mappedCol // Remove all colRefs saved but deleted .filter(cId => colMap.has(cId)) // And those with wrong type. .filter(cId => widgetCol.canByMapped(colMap.get(cId)!.pureType())) .map(cId => colMap.get(cId)!); // Make a subscription to get notified when widget options are changed. columns.forEach(c => c.widgetOptions()); result[widgetCol.name] = columns.map(c => c.colId()); } else { // Widget expects a single value and existing column if (Array.isArray(mappedCol) || !colMap.has(mappedCol)) { continue; } const selectedColumn = colMap.get(mappedCol)!; // Make a subscription to the column to get notified when it changes. void selectedColumn.widgetOptions(); result[widgetCol.name] = widgetCol.canByMapped(selectedColumn.pureType()) ? selectedColumn.colId() : null; } } return result; }); this.allowSelectBy = ko.observable(false); this.selectedRows = ko.observable(null as number[]|null); this.selectedRowsActive = this.autoDispose(ko.pureComputed(() => this.selectedRows() !== null)); this.tableId = this.autoDispose(ko.pureComputed(() => this.table().tableId())); const rawSection = this.autoDispose(ko.pureComputed(() => this.table().rawViewSection())); this.rulesList = modelUtil.savingComputed({ read: () => rawSection().rules(), write: (setter, val) => setter(rawSection().rules, val) }); this.rulesCols = refListRecords(docModel.columns, ko.pureComputed(() => rawSection().rules())); this.rulesColsIds = ko.pureComputed(() => this.rulesCols().map(c => c.colId())); this.rulesStyles = modelUtil.savingComputed({ read: () => rawSection().optionsObj.prop("rulesOptions")() ?? [], write: (setter, val) => setter(rawSection().optionsObj.prop("rulesOptions"), val) }); this.hasRules = ko.pureComputed(() => this.rulesCols().length > 0); this.addEmptyRule = async () => { const action = [ 'AddEmptyRule', this.tableId.peek(), null, null ]; await docModel.docData.sendAction(action, `Update rules for ${this.table.peek().tableId.peek()}`); }; this.removeRule = (index: number) => removeRule(docModel, this, index); this.isCollapsed = this.autoDispose(ko.pureComputed(() => { const list = this.view().activeCollapsedSections(); return list.includes(this.id()); })); this.insertColumn = async (colId: string|null = null, options: InsertColOptions = {}) => { const {colInfo = {}, index = this.viewFields().peekLength} = options; const parentPos = fieldInsertPositions(this.viewFields(), index)[0]; const action = ['AddColumn', colId, { ...colInfo, '_position': parentPos, }]; let newColInfo: NewFieldInfo; await docModel.docData.bundleActions('Insert column', async () => { newColInfo = await docModel.dataTables[this.tableId.peek()].sendTableAction(action); if (!this.isRaw.peek() && !this.isRecordCard.peek()) { const fieldInfo = { colRef: newColInfo.colRef, parentId: this.id.peek(), parentPos, }; const fieldRef = await docModel.viewFields.sendTableAction(['AddRecord', null, fieldInfo]); newColInfo.fieldRef = fieldRef; } }, {nestInActiveBundle: options.nestInActiveBundle}); return newColInfo!; }; this.showColumn = async (col: string|number, index = this.viewFields().peekLength) => { const parentPos = fieldInsertPositions(this.viewFields(), index, 1)[0]; const colRef = typeof col === 'string' ? this.table().columns().all().find(c => c.colId() === col)?.getRowId() : col; const colInfo = { colRef, parentId: this.id.peek(), parentPos, }; return await docModel.viewFields.sendTableAction(['AddRecord', null, colInfo]); }; this.removeField = async (fieldRef: number|number[]) => { if (Array.isArray(fieldRef)) { const action = ['BulkRemoveRecord', fieldRef]; await docModel.viewFields.sendTableAction(action); } else { const action = ['RemoveRecord', fieldRef]; await docModel.viewFields.sendTableAction(action); } }; }