@blueprintjs/core
Version:
Core styles & components
54 lines • 1.98 kB
JavaScript
/*
* Copyright 2017 Palantir Technologies, Inc. All rights reserved.
*
* 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.
*/
import classNames from "classnames";
import * as React from "react";
import * as Classes from "../../common/classes";
import { DISPLAYNAME_PREFIX } from "../../common/props";
export class Text extends React.PureComponent {
constructor() {
super(...arguments);
this.state = {
isContentOverflowing: false,
textContent: "",
};
this.textRef = null;
}
componentDidMount() {
this.update();
}
componentDidUpdate() {
this.update();
}
render() {
const classes = classNames({
[Classes.TEXT_OVERFLOW_ELLIPSIS]: this.props.ellipsize,
}, this.props.className);
const { tagName: TagName = "div" } = this.props;
return (React.createElement(TagName, { className: classes, ref: (ref) => (this.textRef = ref), title: this.state.isContentOverflowing ? this.state.textContent : undefined }, this.props.children));
}
update() {
if (this.textRef == null) {
return;
}
const newState = {
isContentOverflowing: this.props.ellipsize && this.textRef.scrollWidth > this.textRef.clientWidth,
textContent: this.textRef.textContent,
};
this.setState(newState);
}
}
Text.displayName = `${DISPLAYNAME_PREFIX}.Text`;
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