mirror of
https://github.com/gristlabs/grist-core.git
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f613b68a9e
Summary: The loading spinner would always display 'Building Table widget' when creating or changing a widget. This fixes the title to reflect the selected widget type. Test Plan: Updated existing browser tests to verify the loading spinner title includes the correct widget type. Reviewers: dsagal, paulfitz Reviewed By: dsagal Differential Revision: https://phab.getgrist.com/D2863
307 lines
9.8 KiB
TypeScript
307 lines
9.8 KiB
TypeScript
import {FocusLayer} from 'app/client/lib/FocusLayer';
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import * as Mousetrap from 'app/client/lib/Mousetrap';
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import {reportError} from 'app/client/models/errors';
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import {bigBasicButton, bigPrimaryButton, cssButton} from 'app/client/ui2018/buttons';
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import {colors, testId, vars} from 'app/client/ui2018/cssVars';
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import {loadingSpinner} from 'app/client/ui2018/loaders';
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import {Computed, dom, DomContents, DomElementArg, MultiHolder, Observable, styled} from 'grainjs';
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export interface IModalControl {
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close(): void;
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focus(): void;
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}
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export interface IModalOptions {
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noEscapeKey?: boolean; // If set, escape key does not close the dialog
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noClickAway?: boolean; // If set, clicking into background does not close dialog.
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}
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// A custom error type to signal to the modal that it should stay open, but not report any error
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// (presumably because the error was already reported).
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export class StayOpen extends Error {
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}
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export type ModalWidth =
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'normal' | // Normal dialog, from 428px to 480px in width.
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'fixed-wide'; // Fixed 600px width.
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/**
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* A simple modal. Shows up in the middle of the screen with a tinted backdrop.
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* Created with the given body content and width.
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*
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* Closed via clicking anywhere outside the modal. May also be closed by
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* calling ctl.close().
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*
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* The createFn callback may tie the disposal of temporary objects to its `owner` argument.
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*
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* Example usage:
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* modal((ctl, owner) => [
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* cssModalTitle(`Pin doc`),
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* cssModalBody('Are you sure you want to pin doc?')
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* cssModalButtons(
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* primary('Yes', dom.on('click', () => { onClick(true); ctl.close(); })),
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* secondary('Cancel', dom.on('click', () => { onClick(false); ctl.close(); }))
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* )
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* ])
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*/
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export function modal(createFn: (ctl: IModalControl, owner: MultiHolder) => DomElementArg,
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options: IModalOptions = {}): void {
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function close() {
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if (modalDom.isConnected) {
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document.body.removeChild(modalDom);
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// Ensure we run the disposers for the DOM contained in the modal.
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dom.domDispose(modalDom);
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}
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}
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const modalDom = cssModalBacker(
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dom.create((owner) => {
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// Pause mousetrap keyboard shortcuts while the modal is shown. Without this, arrow keys
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// will navigate in a grid underneath the modal, and Enter may open a cell there.
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Mousetrap.setPaused(true);
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owner.onDispose(() => Mousetrap.setPaused(false));
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const focus = () => dialog.focus();
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const dialog = cssModalDialog(
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createFn({ close, focus }, owner),
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dom.on('click', (ev) => ev.stopPropagation()),
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options.noEscapeKey ? null : dom.onKeyDown({ Escape: close }),
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testId('modal-dialog')
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);
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FocusLayer.create(owner, {
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defaultFocusElem: dialog,
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allowFocus: (elem) => (elem !== document.body),
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});
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return dialog;
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}),
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options.noClickAway ? null : dom.on('click', close),
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);
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document.body.appendChild(modalDom);
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}
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export interface ISaveModalOptions {
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title: DomElementArg; // Normally just a string.
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body: DomElementArg; // Content of the dialog.
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saveLabel?: DomElementArg; // Normally just a string; defaults to "Save".
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saveDisabled?: Observable<boolean>; // Optional observable for when to disable Save button.
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saveFunc: () => Promise<unknown>; // Called on Save; dialog closes when promise is fulfilled.
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hideCancel?: boolean; // If set, hide the Cancel button
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width?: ModalWidth; // Set a width style for the dialog.
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modalArgs?: DomElementArg; // Extra args to apply to the outer cssModalDialog element.
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extraButtons?: DomContents; // More buttons!
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}
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/**
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* Creates a modal dialog with a title, body, and Save/Cancel buttons. The provided createFunc()
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* is called immediately to get the dialog's contents and options (see ISaveModalOptions for
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* details). For example:
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*
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* saveModal((ctl, owner) => {
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* const myObs = Computed.create(owner, ...);
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* return {
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* title: 'My Dialog',
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* body: dom('div', 'Hello', dom.text(myObs)),
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* saveDisabled: Computed.create(owner, (use) => !use(myObs)),
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* saveFunc: () => server.ping(),
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* modalArgs: {style: 'background-color: blue'},
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* };
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* });
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*
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* On Save, the dialog calls saveFunc(), disables the Save button, and stays open until saveFunc()
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* is resolved. It then closes on success, or reports the error and stays open on rejection. To
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* stay open without reporting an error (if one is already reported), throw StayOpen exception.
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*
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* The dialog interprets Enter/Escape keys as if the Save/Cancel buttons were clicked.
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*
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* Note that it's possible to close the dialog via Cancel while saveFunc() is pending. That's
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* probably desirable, but keep in mind that the dialog may be disposed before saveFunc() returns.
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*
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* Error handling examples:
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* 1. saveFunc: doSomething
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* (Most common) If doSomething fails, the error is reported and the dialog stays open.
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* 2. saveFunc: () => doSomething().catch(reportError)
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* If doSomething fails, the error is reported but the dialog closes anyway.
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* 3. saveFunc: () => doSomething().catch((e) => { alert("BOOM"); throw new StayOpen(); })
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* If doSomething fails, an alert is shown, and the dialog stays open.
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*/
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export function saveModal(createFunc: (ctl: IModalControl, owner: MultiHolder) => ISaveModalOptions) {
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return modal((ctl, owner) => {
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const options = createFunc(ctl, owner);
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const isSaving = Observable.create(owner, false);
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const isSaveDisabled = Computed.create(owner, (use) =>
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use(isSaving) || (options.saveDisabled ? use(options.saveDisabled) : false));
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// We mark isSaving() observable to disable the save button while saveFunc() is pending.
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// (I decided against a waitWithObsSet() helper for this, since it's too specific to this case
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// when saveFunc() is prevented from being called multiple times in parallel.)
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async function save() {
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isSaving.set(true);
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try {
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await options.saveFunc();
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ctl.close(); // Close on success.
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} catch (err) {
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// Report errors. If saveFunc() reports its own error and wants the dialog to stay open,
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// it should throw StayOpen().
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if (!(err instanceof StayOpen)) {
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reportError(err);
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}
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isSaving.set(false);
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}
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}
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return [
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cssModalTitle(options.title, testId('modal-title')),
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cssModalBody(options.body),
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cssModalButtons(
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bigPrimaryButton(options.saveLabel || 'Save',
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dom.boolAttr('disabled', isSaveDisabled),
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dom.on('click', save),
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testId('modal-confirm'),
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),
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options.extraButtons,
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options.hideCancel ? null : bigBasicButton('Cancel',
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dom.on('click', () => ctl.close()),
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testId('modal-cancel'),
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),
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),
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dom.onKeyDown({ Enter: () => isSaveDisabled.get() || save() }),
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options.width && cssModalWidth(options.width),
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options.modalArgs,
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];
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});
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}
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/**
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* Builds a simple confirm modal with 'Enter' bound to the confirm action.
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*
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* See saveModal() for error handling notes that here apply to the onConfirm callback.
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*/
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export function confirmModal(
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title: string,
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btnText: string,
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onConfirm: () => Promise<void>,
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explanation?: Element|string,
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{hideCancel, extraButtons}: {hideCancel?: boolean, extraButtons?: DomContents} = {},
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): void {
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return saveModal((ctl, owner): ISaveModalOptions => ({
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title,
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body: explanation || null,
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saveLabel: btnText,
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saveFunc: onConfirm,
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hideCancel,
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width: 'normal',
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extraButtons,
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}));
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}
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/**
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* Builds a simple spinner modal. The modal gets removed when `promise` resolves.
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*/
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export async function spinnerModal<T>(
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title: string,
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promise: Promise<T>): Promise<T> {
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modal((ctl, owner) => {
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// `finally` is missing from es2016, below is a work-around.
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const close = () => ctl.close();
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promise.then(close, close);
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return [
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cssModalSpinner.cls(''),
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cssModalTitle(
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title,
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testId('modal-spinner-title'),
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),
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cssSpinner(loadingSpinner()),
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testId('modal-spinner'),
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];
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}, {
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noClickAway: true,
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noEscapeKey: true,
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});
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return await promise;
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}
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/**
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* Apply this to a modal as
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* modal(() => [cssModalBody(...), cssModalWidth('normal')])
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* or
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* saveModal(() => {..., width: 'normal'})
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*/
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export function cssModalWidth(style: ModalWidth) {
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return cssModalDialog.cls('-' + style);
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}
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/* CSS styled components */
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const cssModalDialog = styled('div', `
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background-color: white;
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min-width: 428px;
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color: black;
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margin: auto;
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border-radius: 3px;
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box-shadow: 0 2px 18px 0 rgba(31,37,50,0.31), 0 0 1px 0 rgba(76,86,103,0.24);
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padding: 40px 64px;
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outline: none;
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&-normal {
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max-width: 480px;
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}
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&-fixed-wide {
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width: 600px;
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}
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`);
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export const cssModalTitle = styled('div', `
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font-size: ${vars.xxxlargeFontSize};
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font-weight: ${vars.headerControlTextWeight};
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color: ${colors.dark};
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margin: 0 0 16px 0;
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line-height: 32px;
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`);
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export const cssModalBody = styled('div', `
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margin: 16px 0;
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`);
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export const cssModalButtons = styled('div', `
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margin: 40px 0 0 0;
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& > button,
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& > .${cssButton.className} {
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margin: 0 8px 0 0;
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}
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`);
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// For centering, we use 'margin: auto' on the flex item instead of 'justify-content: center' on
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// the flex container, to ensure the full item can be scrolled in case of overflow.
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// See https://stackoverflow.com/a/33455342/328565
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const cssModalBacker = styled('div', `
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position: fixed;
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display: flex;
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flex-direction: column;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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z-index: 999;
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background-color: ${colors.backdrop};
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overflow-y: auto;
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`);
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const cssSpinner = styled('div', `
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display: flex;
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align-items: center;
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height: 80px;
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margin: auto;
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`);
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const cssModalSpinner = styled('div', `
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display: flex;
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flex-direction: column;
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`);
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