/* Copyright 2015, 2016 OpenMarket Ltd Copyright 2017 Vector Creations Ltd Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ 'use strict'; import React from 'react'; import sdk from '../../../index'; import classNames from 'classnames'; import { UserAddressType } from '../../../UserAddress'; export default React.createClass({ displayName: 'AddressSelector', propTypes: { onSelected: React.PropTypes.func.isRequired, // List of the addresses to display addressList: React.PropTypes.arrayOf(UserAddressType).isRequired, truncateAt: React.PropTypes.number.isRequired, selected: React.PropTypes.number, // Element to put as a header on top of the list header: React.PropTypes.node, }, getInitialState: function() { return { selected: this.props.selected === undefined ? 0 : this.props.selected, hover: false, }; }, componentWillReceiveProps: function(props) { // Make sure the selected item isn't outside the list bounds var selected = this.state.selected; var maxSelected = this._maxSelected(props.addressList); if (selected > maxSelected) { this.setState({ selected: maxSelected }); } }, componentDidUpdate: function() { // As the user scrolls with the arrow keys keep the selected item // at the top of the window. if (this.scrollElement && this.props.addressList.length > 0 && !this.state.hover) { var elementHeight = this.addressListElement.getBoundingClientRect().height; this.scrollElement.scrollTop = (this.state.selected * elementHeight) - elementHeight; } }, moveSelectionTop: function() { if (this.state.selected > 0) { this.setState({ selected: 0, hover: false, }); } }, moveSelectionUp: function() { if (this.state.selected > 0) { this.setState({ selected: this.state.selected - 1, hover : false, }); } }, moveSelectionDown: function() { if (this.state.selected < this._maxSelected(this.props.addressList)) { this.setState({ selected: this.state.selected + 1, hover : false, }); } }, chooseSelection: function() { this.selectAddress(this.state.selected); }, onClick: function(index) { this.selectAddress(index); }, onMouseEnter: function(index) { this.setState({ selected: index, hover: true, }); }, onMouseLeave: function() { this.setState({ hover : false }); }, selectAddress: function(index) { // Only try to select an address if one exists if (this.props.addressList.length !== 0) { this.props.onSelected(index); this.setState({ hover: false }); } }, createAddressListTiles: function() { var self = this; var AddressTile = sdk.getComponent("elements.AddressTile"); var maxSelected = this._maxSelected(this.props.addressList); var addressList = []; // Only create the address elements if there are address if (this.props.addressList.length > 0) { for (var i = 0; i <= maxSelected; i++) { var classes = classNames({ "mx_AddressSelector_addressListElement": true, "mx_AddressSelector_selected": this.state.selected === i, }); // NOTE: Defaulting to "vector" as the network, until the network backend stuff is done. // Saving the addressListElement so we can use it to work out, in the componentDidUpdate // method, how far to scroll when using the arrow keys addressList.push(
{ this.addressListElement = ref; }} >
); } } return addressList; }, _maxSelected: function(list) { var listSize = list.length === 0 ? 0 : list.length - 1; var maxSelected = listSize > (this.props.truncateAt - 1) ? (this.props.truncateAt - 1) : listSize; return maxSelected; }, render: function() { var classes = classNames({ "mx_AddressSelector": true, "mx_AddressSelector_empty": this.props.addressList.length === 0, }); return (
{this.scrollElement = ref;}}> { this.props.header } { this.createAddressListTiles() }
); } });