Robin Davies
125 lines
4.2 KiB
TypeScript
125 lines
4.2 KiB
TypeScript
// Copyright (c) 2022 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import React,{ Component, SyntheticEvent } from 'react';
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import { Theme } from '@mui/material/styles';
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import { WithStyles } from '@mui/styles';
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import createStyles from '@mui/styles/createStyles';
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import withStyles from '@mui/styles/withStyles';
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const styles = ({ palette }: Theme) => createStyles({
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frame: {
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position: "absolute",
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width: "100%",
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height: "100%"
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},
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hover: {
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position: "absolute",
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width: "100%",
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height: "100%",
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background: palette.action.hover,
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//opacity: palette.action.hoverOpacity
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},
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selected: {
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position: "absolute",
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width: "100%",
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height: "100%",
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background: palette.action.selected,
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//opacity: palette.action.selectedOpacity
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}
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});
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interface HoverProps extends WithStyles<typeof styles> {
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selected: boolean;
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showHover?: boolean;
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borderRadius?: number;
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theme: Theme;
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children?: React.ReactNode;
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}
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interface HoverState {
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}
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export const SelectHoverBackground =
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withStyles(styles, { withTheme: true })(
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class extends Component<HoverProps, HoverState>
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{
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constructor(props: HoverProps) {
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super(props);
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this.state = {
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};
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this.selfRef = React.createRef<HTMLDivElement>();
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this.hoverElementRef = React.createRef<HTMLDivElement>();
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this.handleMouseOver = this.handleMouseOver.bind(this);
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this.handleMouseLeave = this.handleMouseLeave.bind(this);
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}
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handleMouseOver(e: SyntheticEvent): void {
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if (this.props.showHover ?? true) {
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if (this.hoverElementRef.current)
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{
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this.hoverElementRef.current.style.display = "block";
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}
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}
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}
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handleMouseLeave(e: SyntheticEvent): void {
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if (this.props.showHover ?? true) {
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if (this.hoverElementRef.current)
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{
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this.hoverElementRef.current.style.display = "none";
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}
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}
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}
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private selfRef: React.RefObject<HTMLDivElement>;
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private hoverElementRef: React.RefObject<HTMLDivElement>;
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render() {
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let classes = this.props.classes;
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let isSelected = this.props.selected;
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return (<div className={classes.frame} ref={this.selfRef}
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onMouseOver={(e) => { this.handleMouseOver(e); }} onMouseLeave={(e) => { this.handleMouseLeave(e) }}
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>
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<div className={classes.selected} style={{ display: (isSelected ? "block" : "none"), borderRadius: this.props.borderRadius }} />
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<div ref={this.hoverElementRef} className={classes.hover} style={{ display: "none", borderRadius: this.props.borderRadius }} />
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{
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this.props.children
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}
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</div>);
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}
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}
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);
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export default SelectHoverBackground;
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