gristlabs_grist-core/app/client/models/ClientColumnGetters.ts

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import DataTableModel from 'app/client/models/DataTableModel';
import { ColumnGetter, ColumnGetters } from 'app/common/ColumnGetters';
import * as gristTypes from 'app/common/gristTypes';
import { choiceGetter } from 'app/common/SortFunc';
import { Sort } from 'app/common/SortSpec';
/**
*
* An implementation of ColumnGetters for the client, drawing
* on the observables and models available in that context.
*
*/
export class ClientColumnGetters implements ColumnGetters {
// If the "unversioned" option is set, then cells with multiple
// versions will be read as a single version - the first version
// available of parent, local, or remote. This can make sense for
// sorting, so cells appear in a reasonably sensible place.
constructor(private _tableModel: DataTableModel, private _options: {
unversioned?: boolean} = {}) {
}
public getColGetter(colSpec: Sort.ColSpec): ColumnGetter | null {
const rowModel = this._tableModel.docModel.columns.getRowModel(Sort.getColRef(colSpec));
const colId = rowModel.colId();
let getter: ColumnGetter|undefined = this._tableModel.tableData.getRowPropFunc(colId);
if (!getter) { return null; }
if (this._options.unversioned && this._tableModel.tableData.mayHaveVersions()) {
const valueGetter = getter;
getter = (rowId) => {
const value = valueGetter(rowId);
if (value && gristTypes.isVersions(value)) {
const versions = value[1];
return ('parent' in versions) ? versions.parent :
('local' in versions) ? versions.local : versions.remote;
}
return value;
};
}
const details = Sort.specToDetails(colSpec);
if (details.orderByChoice) {
if (rowModel.pureType() === 'Choice') {
const choices: string[] = rowModel.widgetOptionsJson.peek()?.choices || [];
getter = choiceGetter(getter, choices);
}
}
return getter;
}
public getManualSortGetter(): ((rowId: number) => any) | null {
const manualSortCol = this._tableModel.tableMetaRow.columns().peek().find(
(c: any) => c.colId() === gristTypes.MANUALSORT);
if (!manualSortCol) {
return null;
}
return this.getColGetter(manualSortCol.getRowId());
}
}