bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/whiteboard/pan-tool-injector/component.jsx
2023-03-01 03:32:24 +00:00

126 lines
3.5 KiB
JavaScript

import * as React from "react";
import ReactDOM from 'react-dom';
import { HUNDRED_PERCENT } from '/imports/utils/slideCalcUtils';
import Styled from '../styles';
const DEFAULT_TOOL_COUNT = 9;
class PanToolInjector extends React.Component {
componentDidMount() {
this.addPanTool();
}
componentDidUpdate(prevProps) {
const {
zoomValue,
fitToWidth,
isPanning,
setIsPanning,
formatMessage,
tldrawAPI,
panSelected,
setPanSelected
} = this.props;
if (prevProps.zoomValue !== zoomValue
|| prevProps.fitToWidth !== fitToWidth
|| prevProps.isPanning !== isPanning
|| prevProps.tldrawAPI !== tldrawAPI
|| prevProps.panSelected !== panSelected
) {
this.addPanTool();
if (panSelected) {
setIsPanning(true);
setPanSelected(true);
} else {
setIsPanning(false);
setPanSelected(false);
}
}
}
addPanTool() {
const {
zoomValue,
fitToWidth,
isPanning,
setIsPanning,
formatMessage,
tldrawAPI,
panSelected,
setPanSelected
} = this.props;
if (panSelected) {
tldrawAPI?.selectTool('select');
}
const tools = document.querySelectorAll('[id*="TD-PrimaryTools-"]');
tools.forEach(tool => {
const classList = tool.firstElementChild.classList;
if (panSelected) {
classList.add('overrideSelect');
} else {
classList.remove('overrideSelect');
}
});
const parentElement = document.getElementById('TD-PrimaryTools');
if (!parentElement) return;
if (parentElement.childElementCount === DEFAULT_TOOL_COUNT) {
parentElement.removeChild(parentElement.children[1]);
}
if (parentElement.childElementCount < DEFAULT_TOOL_COUNT) {
const label = formatMessage({
id: 'app.whiteboard.toolbar.tools.hand',
description: 'presentation toolbar pan label',
});
const disabledLabel = formatMessage({
id: `app.whiteboard.toolbar.tools.disabled.pan`,
description: 'pan label when disabled',
});
const disabled = (zoomValue <= HUNDRED_PERCENT && !fitToWidth);
const container = document.createElement('span');
parentElement.appendChild(container);
ReactDOM.render(
<Styled.PanTool
key={'bbb-panBtn'}
role="button"
data-test="panButton"
data-zoom={zoomValue}
className={panSelected ? "select" : "overrideSelect"}
color="light"
icon="hand"
size="md"
label={disabled ? disabledLabel : label}
aria-label={disabled ? disabledLabel : label}
disabled={disabled}
onClick={() => {
setPanSelected(true);
setIsPanning(true);
if (!(zoomValue <= HUNDRED_PERCENT && !fitToWidth)) {
const panButton = document.querySelector('[data-test="panButton"]');
if (panButton) {
panButton.classList.remove('selectOverride');
panButton.classList.add('select');
}
}
}}
hideLabel
/>,
container
);
const lastChild = parentElement.lastChild;
const secondChild = parentElement.children[1];
parentElement.insertBefore(lastChild, secondChild);
}
}
render() {
return null;
}
}
export default PanToolInjector;