151 lines
4.3 KiB
JavaScript
151 lines
4.3 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from 'react';
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import PropTypes from 'prop-types';
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import * as sdk from '../../../index';
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/**
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* A component which wraps an EditableText, with a spinner while updates take
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* place.
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*
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* Parent components should supply an 'onSubmit' callback which returns a
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* promise; a spinner is shown until the promise resolves.
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*
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* The parent can also supply a 'getInitialValue' callback, which works in a
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* similarly asynchronous way. If this is not provided, the initial value is
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* taken from the 'initialValue' property.
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*/
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export default class EditableTextContainer extends React.Component {
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constructor(props) {
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super(props);
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this._unmounted = false;
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this.state = {
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busy: false,
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errorString: null,
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value: props.initialValue,
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};
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this._onValueChanged = this._onValueChanged.bind(this);
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}
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componentWillMount() {
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if (this.props.getInitialValue === undefined) {
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// use whatever was given in the initialValue property.
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return;
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}
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this.setState({busy: true});
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this.props.getInitialValue().then(
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(result) => {
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if (this._unmounted) { return; }
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this.setState({
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busy: false,
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value: result,
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});
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},
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(error) => {
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if (this._unmounted) { return; }
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this.setState({
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errorString: error.toString(),
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busy: false,
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});
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},
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);
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}
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componentWillUnmount() {
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this._unmounted = true;
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}
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_onValueChanged(value, shouldSubmit) {
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if (!shouldSubmit) {
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return;
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}
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this.setState({
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busy: true,
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errorString: null,
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});
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this.props.onSubmit(value).then(
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() => {
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if (this._unmounted) { return; }
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this.setState({
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busy: false,
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value: value,
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});
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},
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(error) => {
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if (this._unmounted) { return; }
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this.setState({
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errorString: error.toString(),
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busy: false,
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});
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},
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);
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}
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render() {
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if (this.state.busy) {
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const Loader = sdk.getComponent("elements.Spinner");
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return (
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<Loader />
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);
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} else if (this.state.errorString) {
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return (
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<div className="error">{ this.state.errorString }</div>
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);
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} else {
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const EditableText = sdk.getComponent('elements.EditableText');
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return (
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<EditableText initialValue={this.state.value}
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placeholder={this.props.placeholder}
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onValueChanged={this._onValueChanged}
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blurToSubmit={this.props.blurToSubmit}
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/>
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);
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}
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}
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}
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EditableTextContainer.propTypes = {
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/* callback to retrieve the initial value. */
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getInitialValue: PropTypes.func,
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/* initial value; used if getInitialValue is not given */
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initialValue: PropTypes.string,
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/* placeholder text to use when the value is empty (and not being
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* edited) */
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placeholder: PropTypes.string,
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/* callback to update the value. Called with a single argument: the new
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* value. */
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onSubmit: PropTypes.func,
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/* should the input submit when focus is lost? */
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blurToSubmit: PropTypes.bool,
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};
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EditableTextContainer.defaultProps = {
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initialValue: "",
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placeholder: "",
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blurToSubmit: false,
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onSubmit: function(v) {return Promise.resolve(); },
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};
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