gristlabs_grist-core/app/client/widgets/NewBaseEditor.ts

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/**
* NewBaseEditor is equivalent to BaseEditor for outside code, but is in typescript, and
* so is friendlier and clearer to derive TypeScript classes from.
*/
import {GristDoc} from 'app/client/components/GristDoc';
import {ViewFieldRec} from 'app/client/models/entities/ViewFieldRec';
import {CellValue} from "app/common/DocActions";
import {Disposable, IDisposableOwner, Observable} from 'grainjs';
export interface IEditorCommandGroup {
fieldEditCancel: () => void;
fieldEditSaveHere: () => void;
[cmd: string]: () => void;
}
export interface Options {
gristDoc: GristDoc;
field: ViewFieldRec;
cellValue: CellValue;
formulaError?: Observable<CellValue>;
editValue?: string;
cursorPos: number;
commands: IEditorCommandGroup;
}
/**
* Required parameters:
* @param {RowModel} options.field: ViewSectionField (i.e. column) being edited.
* @param {String} options.cellValue: The value in the underlying cell being edited.
* @param {String} options.editValue: String to be edited, or undefined to use cellValue.
* @param {Number} options.cursorPos: The initial position where to place the cursor.
* @param {Object} options.commands: Object mapping command names to functions, to enable as part
* of the command group that should be activated while the editor exists.
*/
export abstract class NewBaseEditor extends Disposable {
/**
* Override the create() method to allow the parameters of create() expected by old-style
* Editors and provided by FieldBuilder. TODO: remove this method once all editors have been
* updated to new-style Disposables.
*/
public static create<Opt extends Options>(owner: IDisposableOwner|null, options: Opt): NewBaseEditor;
public static create(options: Options): NewBaseEditor;
public static create(ownerOrOptions: any, options?: any): NewBaseEditor {
return options ?
Disposable.create.call(this as any, ownerOrOptions, options) :
Disposable.create.call(this as any, null, ownerOrOptions);
}
/**
* Check if the typed-in value should change the cell without opening the editor, and if so,
* returns the value to save. E.g. on typing " ", CheckBoxEditor toggles value without opening.
*/
public static skipEditor(typedVal: string|undefined, origVal: CellValue): CellValue|undefined {
return undefined;
}
constructor(protected options: Options) {
super();
}
/**
* Called after the editor is instantiated to attach its DOM to the page.
* - cellElem: The element representing the cell that this editor should match
* in size and position. Used by derived classes, e.g. to construct an EditorPlacement object.
*/
public abstract attach(cellElem: Element): void;
/**
* Returns DOM container with the editor, typically present and attached after attach() has been
* called.
*/
public getDom(): HTMLElement|null { return null; }
/**
* Called to get the value to save back to the cell.
*/
public abstract getCellValue(): CellValue;
/**
* Used if an editor needs preform any actions before a save
*/
public prepForSave(): void | Promise<void> {
// No-op by default.
}
/**
* Called to get the text in the editor, used when switching between editing data and formula.
*/
public abstract getTextValue(): string;
/**
* Called to get the position of the cursor in the editor. Used when switching between editing
* data and formula.
*/
public abstract getCursorPos(): number;
}