380c0773d1
* array chunking utility * add SectionList component * Add TODOs to indicate possible future work * Add missing overlay style (as used in dapps at present)
96 lines
2.8 KiB
JavaScript
96 lines
2.8 KiB
JavaScript
// Copyright 2015, 2016 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import React, { Component, PropTypes } from 'react';
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import { chunkArray } from '~/util/array';
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import { arrayOrObjectProptype, nodeOrStringProptype } from '~/util/proptypes';
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import styles from './sectionList.css';
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// TODO: We probably want this to be passed via props - additional work required in that case to
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// support the styling for both the hover and no-hover CSS for the pre/post sizes. Future work only
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// if/when required.
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const ITEMS_PER_ROW = 3;
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export default class SectionList extends Component {
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static propTypes = {
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className: PropTypes.string,
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items: arrayOrObjectProptype().isRequired,
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renderItem: PropTypes.func.isRequired,
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overlay: nodeOrStringProptype()
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}
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render () {
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const { className, items } = this.props;
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if (!items || !items.length) {
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return null;
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}
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return (
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<section className={ [styles.section, className].join(' ') }>
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{ this.renderOverlay() }
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{ chunkArray(items, ITEMS_PER_ROW).map(this.renderRow) }
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</section>
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);
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}
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renderOverlay () {
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const { overlay } = this.props;
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if (!overlay) {
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return null;
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}
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return (
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<div className={ styles.overlay }>
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{ overlay }
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</div>
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);
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}
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renderRow = (row, index) => {
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return (
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<div
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className={ styles.row }
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key={ `row_${index}` }
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>
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{ row.map(this.renderItem) }
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</div>
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);
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}
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renderItem = (item, index) => {
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const { renderItem } = this.props;
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// NOTE: Any children that is to be showed or hidden (depending on hover state)
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// should have the data-hover="show|hide" attributes. For the current implementation
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// this does the trick, however there may be a case for adding a hover attribute
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// to an item (mouseEnter/mouseLeave events) and then adjusting the styling with
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// :root[hover]/:root:not[hover] for the tragetted elements. Currently it is a
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// CSS-only solution to let the browser do all the work via selectors.
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return (
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<div
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className={ styles.item }
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key={ `item_${index}` }
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>
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{ renderItem(item, index) }
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</div>
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);
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}
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}
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