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