jiti-meet/react/features/base/dialog/components/StatelessDialog.web.js

376 lines
11 KiB
JavaScript

// @flow
import Button, { ButtonGroup } from '@atlaskit/button';
import { withContextFromProps } from '@atlaskit/layer-manager';
import Modal, { ModalFooter } from '@atlaskit/modal-dialog';
import _ from 'lodash';
import PropTypes from 'prop-types';
import React, { Component } from 'react';
import { translate } from '../../i18n';
import type { DialogProps } from '../constants';
/**
* The ID to be used for the cancel button if enabled.
* @type {string}
*/
const CANCEL_BUTTON_ID = 'modal-dialog-cancel-button';
/**
* The ID to be used for the ok button if enabled.
* @type {string}
*/
const OK_BUTTON_ID = 'modal-dialog-ok-button';
/**
* The type of the React {@code Component} props of {@link StatelessDialog}.
*
* @static
*/
type Props = {
...DialogProps,
i18n: Object,
/**
* Disables dismissing the dialog when the blanket is clicked. Enabled
* by default.
*/
disableBlanketClickDismiss: boolean,
/**
* If true, the cancel button will not display but cancel actions, like
* clicking the blanket, will cancel.
*/
hideCancelButton: boolean,
/**
* Whether the dialog is modal. This means clicking on the blanket will
* leave the dialog open. No cancel button.
*/
isModal: boolean,
/**
* Disables rendering of the submit button.
*/
submitDisabled: boolean,
/**
* Width of the dialog, can be:
* - 'small' (400px), 'medium' (600px), 'large' (800px),
* 'x-large' (968px)
* - integer value for pixel width
* - string value for percentage
*/
width: string
};
/**
* ContexTypes is used as a workaround for Atlaskit's modal being displayed
* outside of the normal App hierarchy, thereby losing context. ContextType
* is responsible for taking its props and passing them into children.
*
* @type {ReactElement}
*/
const ContextProvider = withContextFromProps({
i18n: PropTypes.object
});
/**
* Web dialog that uses atlaskit modal-dialog to display dialogs.
*/
class StatelessDialog extends Component<Props> {
/**
* The functional component to be used for rendering the modal footer.
*/
_Footer: ?Function
_dialogElement: ?HTMLElement;
/**
* Initializes a new {@code StatelessDialog} instance.
*
* @param {Object} props - The read-only properties with which the new
* instance is to be initialized.
*/
constructor(props) {
super(props);
// Bind event handlers so they are only bound once for every instance.
this._onCancel = this._onCancel.bind(this);
this._onDialogDismissed = this._onDialogDismissed.bind(this);
this._onKeyDown = this._onKeyDown.bind(this);
this._onSubmit = this._onSubmit.bind(this);
this._setDialogElement = this._setDialogElement.bind(this);
this._Footer = this._createFooterConstructor(props);
}
/**
* React Component method that executes before the component is updated.
*
* @inheritdoc
* @param {Object} nextProps - The next properties, before the update.
* @returns {void}
*/
componentWillUpdate(nextProps) {
// If button states have changed, update the Footer constructor function
// so buttons of the proper state are rendered.
if (nextProps.okDisabled !== this.props.okDisabled
|| nextProps.cancelDisabled !== this.props.cancelDisabled
|| nextProps.submitDisabled !== this.props.submitDisabled) {
this._Footer = this._createFooterConstructor(nextProps);
}
}
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const {
children,
t /* The following fixes a flow error: */ = _.identity,
titleString,
titleKey,
width
} = this.props;
return (
<Modal
autoFocus = { true }
footer = { this._Footer }
heading = { titleString || t(titleKey) }
i18n = { this.props.i18n }
onClose = { this._onDialogDismissed }
onDialogDismissed = { this._onDialogDismissed }
shouldCloseOnEscapePress = { true }
width = { width || 'medium' }>
{
/**
* Wrapping the contents of {@link Modal} with
* {@link ContextProvider} is a workaround for the
* i18n context becoming undefined as modal gets rendered
* outside of the normal react app context.
*/
}
<ContextProvider i18n = { this.props.i18n }>
<div
onKeyDown = { this._onKeyDown }
ref = { this._setDialogElement }>
<form
className = 'modal-dialog-form'
id = 'modal-dialog-form'
onSubmit = { this._onSubmit }>
{ children }
</form>
</div>
</ContextProvider>
</Modal>
);
}
_onCancel: () => Function;
/**
* Returns a functional component to be used for the modal footer.
*
* @param {Object} options - The configuration for how the buttons in the
* footer should display. Essentially {@code StatelessDialog} props should
* be passed in.
* @private
* @returns {ReactElement}
*/
_createFooterConstructor(options) {
// Filter out falsy (null) values because {@code ButtonGroup} will error
// if passed in anything but buttons with valid type props.
const buttons = [
this._renderOKButton(options),
this._renderCancelButton(options)
].filter(Boolean);
return function Footer(modalFooterProps) {
return (
<ModalFooter showKeyline = { modalFooterProps.showKeyline } >
{
/**
* Atlaskit has this empty span (JustifySim) so...
*/
}
<span />
<ButtonGroup>
{ buttons }
</ButtonGroup>
</ModalFooter>
);
};
}
_onCancel: () => void;
/**
* Dispatches action to hide the dialog.
*
* @returns {void}
*/
_onCancel() {
if (!this.props.isModal) {
const { onCancel } = this.props;
onCancel && onCancel();
}
}
_onDialogDismissed: () => void;
/**
* Handles click on the blanket area.
*
* @returns {void}
*/
_onDialogDismissed() {
if (!this.props.disableBlanketClickDismiss) {
this._onCancel();
}
}
_onSubmit: (?string) => void;
/**
* Dispatches the action when submitting the dialog.
*
* @private
* @param {string} value - The submitted value if any.
* @returns {void}
*/
_onSubmit(value) {
const { onSubmit } = this.props;
onSubmit && onSubmit(value);
}
/**
* Renders Cancel button.
*
* @param {Object} options - The configuration for the Cancel button.
* @param {boolean} options.cancelDisabled - True if the cancel button
* should not be rendered.
* @param {string} options.cancelTitleKey - The translation key to use as
* text on the button.
* @param {boolean} options.isModal - True if the cancel button should not
* be rendered.
* @private
* @returns {ReactElement|null} The Cancel button if enabled and dialog is
* not modal.
*/
_renderCancelButton(options = {}) {
if (options.cancelDisabled
|| options.isModal
|| options.hideCancelButton) {
return null;
}
const {
t /* The following fixes a flow error: */ = _.identity
} = this.props;
return (
<Button
appearance = 'subtle'
id = { CANCEL_BUTTON_ID }
key = 'cancel'
onClick = { this._onCancel }
type = 'button'>
{ t(options.cancelTitleKey || 'dialog.Cancel') }
</Button>
);
}
/**
* Renders OK button.
*
* @param {Object} options - The configuration for the OK button.
* @param {boolean} options.okDisabled - True if the button should display
* as disabled and clicking should have no effect.
* @param {string} options.okTitleKey - The translation key to use as text
* on the button.
* @param {boolean} options.submitDisabled - True if the button should not
* be rendered.
* @private
* @returns {ReactElement|null} The OK button if enabled.
*/
_renderOKButton(options = {}) {
if (options.submitDisabled) {
return null;
}
const {
t /* The following fixes a flow error: */ = _.identity
} = this.props;
return (
<Button
appearance = 'primary'
form = 'modal-dialog-form'
id = { OK_BUTTON_ID }
isDisabled = { options.okDisabled }
key = 'submit'
onClick = { this._onSubmit }
type = 'button'>
{ t(options.okTitleKey || 'dialog.Ok') }
</Button>
);
}
_setDialogElement: (?HTMLElement) => void;
/**
* Sets the instance variable for the div containing the component's dialog
* element so it can be accessed directly.
*
* @param {HTMLElement} element - The DOM element for the component's
* dialog.
* @private
* @returns {void}
*/
_setDialogElement(element: ?HTMLElement) {
this._dialogElement = element;
}
_onKeyDown: (Object) => void;
/**
* Handles 'Enter' key in the dialog to submit/hide dialog depending on
* the available buttons and their disabled state.
*
* @param {Object} event - The key event.
* @private
* @returns {void}
*/
_onKeyDown(event) {
// If the event coming to the dialog has been subject to preventDefault
// we don't handle it here.
if (event.defaultPrevented) {
return;
}
if (event.key === 'Enter') {
event.preventDefault();
event.stopPropagation();
if (this.props.submitDisabled && !this.props.cancelDisabled) {
this._onCancel();
} else if (!this.props.okDisabled) {
this._onSubmit();
}
}
}
}
export default translate(StatelessDialog);