mirror of
https://github.com/element-hq/element-web.git
synced 2024-12-16 09:51:30 +03:00
92ea1157be
Fixes https://github.com/vector-im/riot-web/issues/11674 This re-introduces and adapted version of what was there before, but fixed for the new collapsed logic: https://github.com/matrix-org/matrix-react-sdk/pull/3703/files#diff-633a0248e235d7446a8868a9145efce2L77-L93 We no longer have a collapsedRhs variable and only set the panel when it is opened, so we can accurately track expanded/collapsed state through presence of a panel.
106 lines
3.2 KiB
JavaScript
106 lines
3.2 KiB
JavaScript
/*
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Copyright 2018 New Vector Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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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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import React from 'react';
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import ResizeHandle from '../views/elements/ResizeHandle';
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import {Resizer, FixedDistributor} from '../../resizer';
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export default class MainSplit extends React.Component {
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constructor(props) {
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super(props);
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this._setResizeContainerRef = this._setResizeContainerRef.bind(this);
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this._onResized = this._onResized.bind(this);
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}
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_onResized(size) {
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window.localStorage.setItem("mx_rhs_size", size);
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if (this.props.resizeNotifier) {
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this.props.resizeNotifier.notifyRightHandleResized();
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}
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}
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_createResizer() {
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const classNames = {
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handle: "mx_ResizeHandle",
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vertical: "mx_ResizeHandle_vertical",
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reverse: "mx_ResizeHandle_reverse",
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};
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const resizer = new Resizer(
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this.resizeContainer,
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FixedDistributor,
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{onResized: this._onResized},
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);
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resizer.setClassNames(classNames);
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let rhsSize = window.localStorage.getItem("mx_rhs_size");
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if (rhsSize !== null) {
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rhsSize = parseInt(rhsSize, 10);
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} else {
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rhsSize = 350;
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}
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resizer.forHandleAt(0).resize(rhsSize);
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resizer.attach();
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this.resizer = resizer;
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}
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_setResizeContainerRef(div) {
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this.resizeContainer = div;
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}
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componentDidMount() {
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if (this.props.panel) {
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this._createResizer();
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}
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}
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componentWillUnmount() {
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if (this.resizer) {
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this.resizer.detach();
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this.resizer = null;
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}
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}
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componentDidUpdate(prevProps) {
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const wasPanelSet = this.props.panel && !prevProps.panel;
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const wasPanelCleared = !this.props.panel && prevProps.panel;
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if (this.resizeContainer && wasPanelSet) {
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// The resizer can only be created when **both** expanded and the panel is
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// set. Once both are true, the container ref will mount, which is required
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// for the resizer to work.
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this._createResizer();
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} else if (this.resizer && wasPanelCleared) {
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this.resizer.detach();
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this.resizer = null;
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}
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}
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render() {
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const bodyView = React.Children.only(this.props.children);
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const panelView = this.props.panel;
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if (this.props.collapsedRhs || !panelView) {
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return bodyView;
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} else {
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return <div className="mx_MainSplit" ref={this._setResizeContainerRef}>
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{ bodyView }
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<ResizeHandle reverse={true} />
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{ panelView }
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</div>;
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}
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}
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}
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