canvas-lms/app/jsx/shared/SVGWrapper.js

71 lines
1.9 KiB
JavaScript

/*
* Copyright (C) 2015 - present Instructure, Inc.
*
* This file is part of Canvas.
*
* Canvas is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the Free
* Software Foundation, version 3 of the License.
*
* Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import React from 'react'
import PropTypes from 'prop-types'
import $ from 'jquery'
const DOCUMENT_NODE = 9;
const ELEMENT_NODE = 1;
class SVGWrapper extends React.Component {
static propTypes = {
url: PropTypes.string.isRequired,
fillColor: PropTypes.string
}
componentDidMount () {
this.fetchSVG();
}
componentWillReceiveProps (newProps) {
if (newProps.url !== this.props.url) {
this.fetchSVG();
}
}
fetchSVG () {
$.ajax(this.props.url, {
success: data => {
this.svg = data;
if (data.nodeType === DOCUMENT_NODE) {
this.svg = data.firstChild;
}
if (this.svg.nodeType !== ELEMENT_NODE && this.svg.nodeName !== 'SVG') {
throw new Error(`SVGWrapper: SVG Element must be returned by request to ${this.props.url}`);
}
if (this.props.fillColor) {
this.svg.setAttribute('style', `fill:${this.props.fillColor}`);
}
this.svg.setAttribute('focusable', false);
this.rootSpan.appendChild(this.svg);
}
});
}
render () {
return <span ref={(c) => { this.rootSpan = c; }} />;
}
}
export default SVGWrapper