gristlabs_grist-core/app/client/components/BaseView.js
Alex Hall 7465af8ce8 (core) Port LinkingState.js to TypeScript
Summary: Converted LinkingState from constructor function to class.

Test Plan: no

Reviewers: dsagal

Reviewed By: dsagal

Differential Revision: https://phab.getgrist.com/D2997
2021-08-26 15:10:34 +02:00

675 lines
26 KiB
JavaScript

var _ = require('underscore');
var ko = require('knockout');
var moment = require('moment-timezone');
var {getSelectionDesc} = require('app/common/DocActions');
var {nativeCompare, roundDownToMultiple, waitObs} = require('app/common/gutil');
var gristTypes = require('app/common/gristTypes');
var koUtil = require('../lib/koUtil');
var tableUtil = require('../lib/tableUtil');
var {DataRowModel} = require('../models/DataRowModel');
var {DynamicQuerySet} = require('../models/QuerySet');
var {SortFunc} = require('app/common/SortFunc');
var rowset = require('../models/rowset');
var Base = require('./Base');
var {Cursor} = require('./Cursor');
var FieldBuilder = require('../widgets/FieldBuilder');
var commands = require('./commands');
var BackboneEvents = require('backbone').Events;
const {LinkingState} = require('./LinkingState');
const {ClientColumnGetters} = require('app/client/models/ClientColumnGetters');
const {reportError, UserError} = require('app/client/models/errors');
const {urlState} = require('app/client/models/gristUrlState');
const {SectionFilter} = require('app/client/models/SectionFilter');
const {copyToClipboard} = require('app/client/lib/copyToClipboard');
const {setTestState} = require('app/client/lib/testState');
const {ExtraRows} = require('app/client/models/DataTableModelWithDiff');
const {createFilterMenu} = require('app/client/ui/ColumnFilterMenu');
const {LinkConfig} = require('app/client/ui/selectBy');
const {encodeObject} = require("app/plugin/objtypes");
/**
* BaseView forms the basis for ViewSection classes.
* @param {Object} viewSectionModel - The model for the viewSection represented.
* @param {Boolean} options.addNewRow - Whether to include an add row in the model.
*/
function BaseView(gristDoc, viewSectionModel, options) {
Base.call(this, gristDoc);
this.options = options || {};
this.viewSection = viewSectionModel;
this._name = this.viewSection.titleDef.peek();
//--------------------------------------------------
// Observable models mapped to the document
// Instantiate the models for the view metadata and for the data itself.
// The table should never change for a given view, so no need to watch the table() observable.
this.schemaModel = this.viewSection.table();
// Check if we are making a comparison with another document.
this.comparison = this.gristDoc.comparison;
// TODO: but accessing by tableId identifier may be problematic when the table is renamed.
this.tableModel = this.gristDoc.getTableModelMaybeWithDiff(this.schemaModel.tableId());
this.extraRows = new ExtraRows(this.schemaModel.tableId(), this.comparison && this.comparison.details);
// We use a DynamicQuerySet as the underlying RowSource, with ColumnFilters applies on top of
// it. It filters based on section linking, re-querying as needed in case of onDemand tables.
this._queryRowSource = DynamicQuerySet.create(this, gristDoc.querySetManager, this.tableModel);
// When we have a summary table, filter out rows corresponding to empty groups.
// (TODO this may be better implemented by deleting empty groups in the data engine.)
if (this.viewSection.table().summarySourceTable()) {
const groupGetter = this.tableModel.tableData.getRowPropFunc('group');
this._mainRowSource = rowset.BaseFilteredRowSource.create(this,
rowId => !gristTypes.isEmptyList(groupGetter(rowId)));
this._mainRowSource.subscribeTo(this._queryRowSource);
} else {
this._mainRowSource = this._queryRowSource;
}
if (this.comparison) {
// Assign extra row ids for any rows added in the remote (right) table or removed in the
// local (left) table.
const extraRowIds = this.extraRows.getExtraRows();
this._mainRowSource = rowset.ExtendedRowSource.create(this, this._mainRowSource, extraRowIds);
}
// Create a section filter and a filtered row source that subscribes to its changes.
// `sectionFilter` also provides an `addTemporaryRow()` to allow views to display newly inserted rows,
// and `setFilterOverride()` to allow controlling a filter from a column menu.
this._sectionFilter = SectionFilter.create(this, this.viewSection.viewFields, this.tableModel.tableData);
this._filteredRowSource = rowset.FilteredRowSource.create(this, this._sectionFilter.sectionFilterFunc.get());
this._filteredRowSource.subscribeTo(this._mainRowSource);
this.autoDispose(this._sectionFilter.sectionFilterFunc.addListener(filterFunc => {
this._filteredRowSource.updateFilter(filterFunc);
}));
// Sorted collection of all rows to show in this view.
this.sortedRows = rowset.SortedRowSet.create(this, null, this.tableModel.tableData);
// Re-sort when sortSpec changes.
this.sortFunc = new SortFunc(new ClientColumnGetters(this.tableModel, {unversioned: true}));
this.autoDispose(this.viewSection.activeDisplaySortSpec.subscribeInit(function(spec) {
this.sortFunc.updateSpec(spec);
this.sortedRows.updateSort((rowId1, rowId2) => {
var value = nativeCompare(rowId1 === "new", rowId2 === "new");
return value || this.sortFunc.compare(rowId1, rowId2);
});
}, this));
// Here we are subscribed to the bulk of the data (main table, possibly filtered).
this.sortedRows.subscribeTo(this._filteredRowSource);
// We create a special one-row RowSource for the "Add new" row, in case we need it.
this.newRowSource = rowset.RowSource.create(this);
this.newRowSource.getAllRows = function() { return ['new']; };
// This is the LazyArrayModel containing DataRowModels, for rendering, e.g. with scrolly.
this.viewData = this.autoDispose(this.tableModel.createLazyRowsModel(this.sortedRows));
// Floating row model that is not destroyed when the row is scrolled out of view. It must be
// assigned manually to a rowId. Additionally, we override the saving of field values with a
// custom method that handles better positioning of cursor on adding a new row.
this.editRowModel = this.autoDispose(this.tableModel.createFloatingRowModel());
this.editRowModel._saveField =
(colName, value) => this._saveEditRowField(this.editRowModel, colName, value);
// Reset heights of rows when there is an action that affects them.
this.listenTo(this.viewData, 'rowModelNotify', rowModels => this.onRowResize(rowModels));
this.listenTo(this.viewSection.events, 'rowHeightChange', this.onResize );
// Create a command group for keyboard shortcuts common to all views.
this.autoDispose(commands.createGroup(BaseView.commonCommands, this, this.viewSection.hasFocus));
//--------------------------------------------------
// Prepare logic for linking with other sections.
// Linking state maintains .filterFunc and .cursorPos observables which we use for
// auto-scrolling and filtering.
this._linkingState = this.autoDispose(koUtil.computedBuilder(() => {
let v = this.viewSection;
let src = v.linkSrcSection();
if (!src.getRowId()) {
return null;
}
try {
const config = new LinkConfig(v);
return LinkingState.create.bind(LinkingState, null, this.gristDoc, config);
} catch (err) {
console.warn(`Can't create LinkingState: ${err.message}`);
return null;
}
}));
this._linkingFilter = this.autoDispose(ko.computed(() => {
const linking = this._linkingState();
const result = linking && linking.filterColValues ? linking.filterColValues() : {filters: {}};
result.operations = result.operations || {};
for (const key in result.filters) {
result.operations[key] = result.operations[key] || 'in';
}
return result;
}));
// A computed for the rowId of the row selected by section linking.
this.linkedRowId = this.autoDispose(ko.computed(() => {
let linking = this._linkingState();
return linking && linking.cursorPos ? linking.cursorPos() : null;
}).extend({deferred: true}));
// Update the cursor whenever linkedRowId() changes.
this.autoDispose(this.linkedRowId.subscribe(rowId => this.setCursorPos({rowId})));
// Indicated whether editing the section should be disabled given the current linking state.
this.disableEditing = this.autoDispose(ko.computed(() => {
const linking = this._linkingState();
return linking && linking.disableEditing();
}));
this.enableAddRow = this.autoDispose(ko.computed(() => this.options.addNewRow &&
!this.viewSection.disableAddRemoveRows() && !this.disableEditing()));
// Hide the add row if editing is disabled via filter linking.
this.autoDispose(this.enableAddRow.subscribeInit(_enableAddRow => {
if (_enableAddRow) {
this.sortedRows.subscribeTo(this.newRowSource);
} else {
this.sortedRows.unsubscribeFrom(this.newRowSource);
}
}));
//--------------------------------------------------
// Observables local to this view
this._isLoading = ko.observable(true);
this._pendingCursorPos = this.viewSection.lastCursorPos;
// Initialize the cursor with the previous cursor position indicies, if they exist.
console.log("%s BaseView viewSection %s (%s) lastCursorPos %s", this._debugName, this.viewSection.getRowId(),
this.viewSection.table().tableId(), JSON.stringify(this.viewSection.lastCursorPos));
this.cursor = this.autoDispose(Cursor.create(null, this, this.viewSection.lastCursorPos));
this.currentColumn = this.autoDispose(ko.pureComputed(() =>
this.viewSection.viewFields().at(this.cursor.fieldIndex()).column()
).extend({rateLimit: 0})); // TODO Test this without the rateLimit
this.currentEditingColumnIndex = ko.observable(-1);
// A koArray of FieldBuilder objects, one for each view-section field.
this.fieldBuilders = this.autoDispose(
FieldBuilder.createAllFieldWidgets(this.gristDoc, this.viewSection.viewFields, this.cursor)
);
// An observable evaluating to the FieldBuilder for the field where the cursor is.
this.activeFieldBuilder = this.autoDispose(ko.pureComputed(() =>
this.fieldBuilders.at(this.cursor.fieldIndex())
));
// Observable for whether the data in this view is truncated, i.e. not all rows are included
// (this can only be true for on-demand tables).
this.isTruncated = ko.observable(false);
// This computed's purpose is the side-effect of calling makeQuery() initially and when any
// dependency changes.
this.autoDispose(ko.computed(() => {
this._isLoading(true);
const linkingFilter = this._linkingFilter();
this._queryRowSource.makeQuery(linkingFilter.filters, linkingFilter.operations, (err) => {
if (this.isDisposed()) { return; }
if (err) { reportError(err); }
this.onTableLoaded();
});
}));
// Reset cursor to the first row when filtering changes.
this.autoDispose(this._linkingFilter.subscribe((x) => this.onLinkFilterChange()));
// When sorting changes, reset the cursor to the first row. (The alternative of moving the
// cursor to stay at the same record is sometimes better, but sometimes more annoying.)
this.autoDispose(this.viewSection.activeSortSpec.subscribe(() => this.setCursorPos({rowIndex: 0})));
this.copySelection = ko.observable(null);
// Whether parts needed for printing should be rendered now.
this._isPrinting = ko.observable(false);
}
Base.setBaseFor(BaseView);
_.extend(Base.prototype, BackboneEvents);
/**
* These commands are common to GridView and DetailView.
*/
BaseView.commonCommands = {
input: function(input) { this.activateEditorAtCursor({init: input}); },
editField: function() { this.activateEditorAtCursor(); },
insertRecordBefore: function() { this.insertRow(this.cursor.rowIndex()); },
insertRecordAfter: function() { this.insertRow(this.cursor.rowIndex() + 1); },
insertCurrentDate: function() { this.insertCurrentDate(false); },
insertCurrentDateTime: function() { this.insertCurrentDate(true); },
copyLink: function() { this.copyLink().catch(reportError); },
};
/**
* Sets the cursor to the given position, deferring if necessary until the current query finishes
* loading.
*/
BaseView.prototype.setCursorPos = function(cursorPos) {
if (!this._isLoading.peek()) {
this.cursor.setCursorPos(cursorPos);
} else {
// This is the first step; the second happens in onTableLoaded.
this._pendingCursorPos = cursorPos;
this.cursor.setLive(false);
}
};
/**
* Returns a promise that's resolved when the query being loaded finishes loading.
* If no query is being loaded, it will resolve immediately.
*/
BaseView.prototype.getLoadingDonePromise = function() {
return waitObs(this._isLoading, (value) => !value);
};
/**
* Start editing the selected cell.
* @param {String} input: If given, initialize the editor with the given input (rather than the
* original content of the cell).
*/
BaseView.prototype.activateEditorAtCursor = function(options) {
var builder = this.activeFieldBuilder();
if (builder.isEditorActive()) {
return;
}
var rowId = this.viewData.getRowId(this.cursor.rowIndex());
// LazyArrayModel row model which is also used to build the cell dom. Needed since
// it may be used as a key to retrieve the cell dom, which is useful for editor placement.
var lazyRow = this.getRenderedRowModel(rowId);
if (!lazyRow) {
// TODO scroll into view. For now, just don't activate the editor.
return;
}
this.editRowModel.assign(rowId);
builder.buildEditorDom(this.editRowModel, lazyRow, options || {});
};
/**
* Move the floating RowModel for editing to the current cursor position, and return it.
*
* This is used for opening the formula editor in the side panel; the current row is used to get
* possible exception info from the formula.
*/
BaseView.prototype.moveEditRowToCursor = function() {
var rowId = this.viewData.getRowId(this.cursor.rowIndex());
this.editRowModel.assign(rowId);
return this.editRowModel;
};
// Copy an anchor link for the current row to the clipboard.
BaseView.prototype.copyLink = async function() {
const rowId = this.viewData.getRowId(this.cursor.rowIndex());
const colRef = this.viewSection.viewFields().peek()[this.cursor.fieldIndex()].colRef();
const sectionId = this.viewSection.getRowId();
try {
const link = urlState().makeUrl({ hash: { sectionId, rowId, colRef } });
await copyToClipboard(link);
setTestState({clipboard: link});
reportError(new UserError('Link copied to clipboard', {key: 'clipboard'}));
} catch (e) {
throw new Error('cannot copy to clipboard');
}
};
/**
* Insert a new row immediately before the row at the given index if given an Integer. Otherwise
* insert a new row at the end.
*/
BaseView.prototype.insertRow = function(index) {
if (this.viewSection.disableAddRemoveRows() || this.disableEditing()) {
return;
}
var rowId = this.viewData.getRowId(index);
var insertPos = Number.isInteger(rowId) ?
this.tableModel.tableData.getValue(rowId, 'manualSort') : null;
return this.sendTableAction(['AddRecord', null, { 'manualSort': insertPos }])
.then(rowId => {
if (!this.isDisposed()) {
this._sectionFilter.addTemporaryRow(rowId);
this.setCursorPos({rowId});
}
return rowId;
});
};
/**
* Given a 2-d paste column-oriented paste data and target cols, transform the data to omit
* fields that shouldn't be pasted over and extract rich paste data if available.
* @param {Array<Array<(RichPasteObject|string)>>} data - Column-oriented 2-d array of either
* plain strings or rich paste data returned by `tableUtil.parsePasteHtml` with `displayValue`
* and, optionally, `colType` and `rawValue` attributes.
* @param {Array<MetaRowModel>} cols - Array of target column objects
* @returns {Object} - Object mapping colId to array of column values, suitable for use in Bulk
* actions.
*/
BaseView.prototype._parsePasteForView = function(data, cols) {
let updateCols = cols.map(col => {
if (col && !col.isRealFormula() && !col.disableEditData()) {
return col;
} else {
return null; // Don't include formulas and missing columns
}
});
let updateColIds = updateCols.map(c => c && c.colId());
let updateColTypes = updateCols.map(c => c && c.type());
let richData = data;
if (data.length > 0 && data[0].length > 0 &&
_.isObject(data[0][0]) && data[0][0].hasOwnProperty('displayValue')) {
richData = data.map((col, idx) => {
if (col[0].colType === updateColTypes[idx]) {
return col.map(v => v && v.hasOwnProperty('rawValue') ? v.rawValue : v.displayValue);
} else {
return col.map(v => v && v.displayValue);
}
});
}
return _.omit(_.object(updateColIds, richData), null);
};
BaseView.prototype._getDefaultColValues = function() {
const {filters, operations} = this._linkingFilter.peek();
return _.mapObject(
_.pick(filters, v => (v.length > 0)),
(value, key) => operations[key] === "intersects" ? encodeObject(value) : value[0]
);
};
/**
* Enhances [Bulk]AddRecord actions to include the default values determined by the current
* section-linking filter.
*/
BaseView.prototype._enhanceAction = function(action) {
if (action[0] === 'AddRecord' || action[0] === 'BulkAddRecord') {
let colValues = this._getDefaultColValues();
let rowIds = action[1];
if (action[0] === 'BulkAddRecord') {
colValues = _.mapObject(colValues, v => rowIds.map(() => v));
}
Object.assign(colValues, action[2]);
return [action[0], rowIds, colValues];
} else {
return action;
}
};
/**
* Enhances a list of table actions and turns them from implicit-table actions into
* proper actions.
*/
BaseView.prototype.prepTableActions = function(actions) {
actions = actions.map(a => this._enhanceAction(a));
actions.forEach(action_ => {
action_.splice(1, 0, this.tableModel.tableData.tableId);
});
return actions;
};
/**
* Shortcut for `.tableModel.tableData.sendTableActions`, which also sets default values
* determined by the current section-linking filter, if any.
*/
BaseView.prototype.sendTableActions = function(actions, optDesc) {
return this.tableModel.sendTableActions(actions.map(a => this._enhanceAction(a)), optDesc);
};
/**
* Shortcut for `.tableModel.tableData.sendTableAction`, which also sets default values
* determined by the current section-linking filter, if any.
*/
BaseView.prototype.sendTableAction = function(action, optDesc) {
return action ? this.tableModel.sendTableAction(this._enhanceAction(action), optDesc) : null;
};
/**
* Inserts the current date/time into the selected cell if the cell is of a compatible type
* (Text/Date/DateTime/Any).
* @param {Boolean} withTime: Whether to include the time in addition to the date. This is ignored
* for Date columns (assumed false) and for DateTime (assumed true).
*/
BaseView.prototype.insertCurrentDate = function(withTime) {
let column = this.currentColumn();
if (column.isRealFormula()) {
// Ignore the shortcut when in a formula column.
return;
}
let type = column.pureType();
let value, now = Date.now();
const docTimezone = this.gristDoc.docInfo.timezone.peek();
if (type === 'Text' || type === 'Any') {
// Use document timezone. Don't forget to use uppercase HH for 24-hour time.
value = moment.tz(now, docTimezone).format('YYYY-MM-DD' + (withTime ? ' HH:mm:ss' : ''));
} else if (type === 'Date') {
// Get UTC midnight for the current date (as seen in docTimezone). This is a bit confusing. If
// it's "2019-11-14 23:30 -05:00", then it's "2019-11-15 04:30" in UTC. Since we measure time
// from Epoch UTC, we want the UTC time to have the correct date, so need to add the offset
// (-05:00) to get "2019-11-14 23:30" in UTC, and then round down to midnight.
const offsetMinutes = moment.tz(now, docTimezone).utcOffset();
value = roundDownToMultiple(now / 1000 + offsetMinutes * 60, 24*3600);
} else if (type === 'DateTime') {
value = now / 1000;
} else {
// Ignore the shortcut when in a column of an inappropriate type.
return;
}
var rowId = this.viewData.getRowId(this.cursor.rowIndex());
this.editRowModel.assign(rowId);
this.editRowModel[column.colId()].setAndSave(value);
};
/**
* Override the saving of field values to add some extra processing:
* - If a new row is saved, then we may need to adjust the row where the cursor is.
* - We add the edited or added row to ensure it's displayed regardless of current columnFilters.
* - We change the main view's row observables to see the new value immediately.
* TODO: When saving a formula in the addRow, the cursor moves down instead of staying in place.
* To fix that behavior, propose to factor out the `isAddRow` overrides from here
* into a `setNewRowColValues` on the editRowModel and have `FieldBuilder._saveEdit` call
* that instead of `updateColValues`.
*/
BaseView.prototype._saveEditRowField = function(editRowModel, colName, value) {
if (editRowModel._isAddRow.peek()) {
this.cursor.setLive(false);
const colValues = this._getDefaultColValues();
colValues[colName] = value;
return editRowModel.updateColValues(colValues)
// Once we know the new row's rowId, add it to column filters to make sure it's displayed.
.then(rowId => {
if (!this.isDisposed()) {
this._sectionFilter.addTemporaryRow(rowId);
this.setCursorPos({rowId});
}
return rowId;
})
.finally(() => !this.isDisposed() && this.cursor.setLive(true));
} else {
var rowId = editRowModel.getRowId();
// We are editing the floating "edit" rowModel, but to ensure that we see data in the main view
// (when the editor closes), we immediately update the main view's rowModel, if such exists.
var mainRowModel = this.getRenderedRowModel(rowId);
if (mainRowModel) {
mainRowModel[colName](value);
}
const ret = DataRowModel.prototype._saveField.call(editRowModel, colName, value)
// Display this rowId, even if it doesn't match the filter
.then((result) => {
if (!this.isDisposed()) {
this._sectionFilter.addTemporaryRow(rowId);
}
return result;
})
.finally(() => !this.isDisposed() && mainRowModel && mainRowModel._assignColumn(colName));
return this.viewSection.isSorted() ? ret : null;
// Do not return the saveField call in the case that the column is unsorted: in this case,
// we assumes optimistically that the action is successful and browser events can
// continue being processed immediately without waiting.
// When sorted, we wait on the saveField call so we may determine where the row ends
// up for cursor movement purposes.
}
};
/**
* Uses the current cursor selection to return a rich paste object with a reference to the data,
* and the selection ranges. See CopySelection.js
*
* @returns {pasteObj} - Paste object
*/
BaseView.prototype.copy = function(selection) {
this.copySelection(selection);
return {
data: this.tableModel.tableData,
selection: selection
};
};
/**
* Uses the current cursor selection to return a rich paste object with a reference to the data,
* the selection ranges and a callback that when called performs all of the actions needed for a cut.
*
* @returns {pasteObj} - Paste object
*/
BaseView.prototype.cut = function(selection) {
this.copySelection(selection);
return {
data: this.tableModel.tableData,
selection: selection,
cutCallback: () => tableUtil.makeDeleteAction(selection)
};
};
/**
* Helper to send paste actions from the cutCallback and a list of paste actions.
*/
BaseView.prototype.sendPasteActions = function(cutCallback, actions) {
let cutAction = null;
// If this is a cut -> paste, add the cut action and a description.
if (cutCallback) {
cutAction = cutCallback();
// If the cut occurs on an edit restricted cell, there may be no cut action.
if (cutAction) { actions.unshift(cutAction); }
}
return this.gristDoc.docData.sendActions(actions,
this._getPasteDesc(actions[actions.length - 1], cutAction));
};
/**
* Returns a string which describes a cut/copy action.
*/
BaseView.prototype._getPasteDesc = function(pasteAction, optCutAction) {
if (optCutAction) {
return `Moved ${getSelectionDesc(optCutAction, true)} to ` +
`${getSelectionDesc(pasteAction, true)}.`;
} else {
return `Pasted data to ${getSelectionDesc(pasteAction, true)}.`;
}
};
BaseView.prototype.buildDom = function() {
throw new Error("Not Implemented");
};
/**
* Called by ViewLayout to return view-specific controls to add into its ViewSection's title bar.
* By default builds nothing. Derived views may override.
*/
BaseView.prototype.buildTitleControls = function() {
return null;
};
/**
* Called when table data gets loaded (if already loaded, then called immediately after the
* constructor). Derived views may override.
*/
BaseView.prototype.onTableLoaded = function() {
// Complete the setting of a pending cursor position (see setCursorPos() for the first half).
if (this._pendingCursorPos) {
this.cursor.setCursorPos(this._pendingCursorPos);
this._pendingCursorPos = null;
}
this._isLoading(false);
this.isTruncated(this._queryRowSource.isTruncated);
this.cursor.setLive(true);
};
/**
* Called when view gets resized. Derived views may override.
*/
BaseView.prototype.onResize = function() {
};
/**
* Called when rows have changed and may potentially need resizing. Derived views may override.
* @param {Array<DataRowModel>} rowModels: Array of row models whose size may have changed.
*/
BaseView.prototype.onRowResize = function(rowModels) {
};
/**
* Called when user selects a different row which drives the link-filtering of this section.
*/
BaseView.prototype.onLinkFilterChange = function(rowId) {
this.setCursorPos({rowIndex: 0});
};
/**
* Called before and after printing this section.
*/
BaseView.prototype.prepareToPrint = function(onOff) {
this._isPrinting(onOff);
};
/**
* Called to obtain the rowModel for the given rowId. Returns a rowModel if it belongs to the
* section and is rendered, otherwise returns null.
* Useful to tie a rendered row to the row being edited. Derived views may override.
*/
BaseView.prototype.getRenderedRowModel = function(rowId) {
return this.viewData.getRowModel(rowId);
};
/**
* Returns the index of the last non-AddNew row in the grid.
*/
BaseView.prototype.getLastDataRowIndex = function() {
let last = this.viewData.peekLength - 1;
return (last >= 0 && this.viewData.getRowId(last) === 'new') ? last - 1 : last;
};
/**
* Creates and opens ColumnFilterMenu for a given field, and returns its PopupControl.
*/
BaseView.prototype.createFilterMenu = function(openCtl, field, onClose) {
return createFilterMenu(openCtl, this._sectionFilter, field, this._mainRowSource, this.tableModel.tableData, onClose);
};
/**
* Whether the rows shown by this view are a proper subset of all rows in the table.
*/
BaseView.prototype.isFiltered = function() {
return this._filteredRowSource.getNumRows() < this.tableModel.tableData.numRecords();
};
module.exports = BaseView;