130 lines
4.6 KiB
JavaScript
130 lines
4.6 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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'use strict';
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var React = require('react');
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var ReactDOM = require('react-dom');
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var dis = require('matrix-react-sdk/lib/dispatcher');
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module.exports = React.createClass({
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displayName: 'RoomTooltip',
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propTypes: {
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// The 'parent' can either be a React component or a DOM element
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parent: React.PropTypes.object.isRequired,
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// The tooltip is derived from either the room name or a label
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room: React.PropTypes.object,
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label: React.PropTypes.string,
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// The tooltip position can be tweaked by passing in additional positional information
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top: React.PropTypes.number,
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botom: React.PropTypes.number,
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left: React.PropTypes.number,
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right: React.PropTypes.number,
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},
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// Create a wrapper for the tooltip outside the parent and attach to the body element
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componentDidMount: function() {
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this.tooltipContainer = document.createElement("div");
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this.tooltipContainer.className = "mx_RoomTileTooltip_wrapper";
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document.body.appendChild(this.tooltipContainer);
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this._renderTooltip();
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},
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componentDidUpdate: function() {
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this._renderTooltip();
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},
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// Remove the wrapper element, as the tooltip has finished using it
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componentWillUnmount: function() {
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dis.dispatch({
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action: 'view_tooltip',
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tooltip: null,
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parent: null,
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});
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ReactDOM.unmountComponentAtNode(this.tooltipContainer);
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document.body.removeChild(this.tooltipContainer);
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},
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_isDOMElement: function(obj) {
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return (obj && typeof obj === "object" && obj instanceof HTMLElement);
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},
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_isReactComponent: function(obj) {
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var ReactComponentPrototype = React.Component.prototype;
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var ReactClassComponentPrototype = (Object.getPrototypeOf(Object.getPrototypeOf(new (React.createClass({ render () {} }))())));
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return (obj && typeof obj === "object" && (ReactComponentPrototype.isPrototypeOf(obj) || ReactClassComponentPrototype.isPrototypeOf(obj)));
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},
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_renderTooltip: function() {
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var label = this.props.room ? this.props.room.name : this.props.label;
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var style = {};
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if (this.props.top) { style.top = this.props.top; }
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if (this.props.bottom) { style.bottom = this.props.bottom; }
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if (this.props.left) { style.left = this.props.left; }
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if (this.props.right) { style.right = this.props.right; }
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let parent;
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if (this._isDOMElement(this.props.parent)) {
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parent = this.props.parent;
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} else if (this._isReactComponent(this.props.parent)) {
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parent = ReactDOM.findDOMNode(this.props.parent);
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} else {
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parent = null;
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}
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// If a parent exist, add the parents position to the tooltips, so it's correctly
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// positioned, also taking into account any window zoom
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// NOTE: The additional 6 pixels for the left position, is to take account of the
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// tooltips chevron
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if (parent) {
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style.top = (+style.top || 0) + parent.getBoundingClientRect().top + window.pageYOffset;
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style.left = (+style.left || 0) + 6 + parent.getBoundingClientRect().right + window.pageXOffset;
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style.display = "block";
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var tooltip = (
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<div className="mx_RoomTooltip" style={style} >
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<div className="mx_RoomTooltip_chevron"></div>
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{ label }
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</div>
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);
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// Render the tooltip manually, as we wish it to not be render within the parent
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this.tooltip = ReactDOM.render(tooltip, this.tooltipContainer);
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// tell the roomlist about us so it can position us
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dis.dispatch({
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action: 'view_tooltip',
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tooltip: this.tooltip,
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parent: parent,
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});
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}
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},
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render: function() {
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// Render a placeholder
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return (
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<div className="mx_RoomToolTip_placeholder" >
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</div>
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);
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}
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});
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