PoC Click to focus on element through URL param
This commit is contained in:
parent
2260b08c30
commit
df2204cb45
@ -1,4 +1,4 @@
|
||||
import React from 'react';
|
||||
import React, { useEffect, useRef, useState } from 'react';
|
||||
import Container from 'react-bootstrap/Container';
|
||||
|
||||
export type Props = {
|
||||
@ -8,9 +8,48 @@ export type Props = {
|
||||
style?: 'primary' | 'light'
|
||||
}
|
||||
|
||||
const focusChangedEventName = "focus-changed"
|
||||
|
||||
function useFocusedElement(elementKey: string) {
|
||||
const [isFocusedElement, setFocusedElement] = useState(false);
|
||||
const focusedClass = isFocusedElement ? 'focused-element' : ''
|
||||
const elementRef = useRef<HTMLSpanElement>(null)
|
||||
|
||||
useEffect(() => {
|
||||
function getFocusedState() {
|
||||
const params = new URLSearchParams(window.location.search)
|
||||
const focusedElement = params.get('focus')
|
||||
const focused: boolean = focusedElement && focusedElement == elementKey || false
|
||||
setFocusedElement(focused)
|
||||
}
|
||||
|
||||
getFocusedState()
|
||||
addEventListener(focusChangedEventName, getFocusedState)
|
||||
return () => {
|
||||
removeEventListener(focusChangedEventName, getFocusedState)
|
||||
}
|
||||
}, [elementKey, setFocusedElement])
|
||||
|
||||
isFocusedElement && elementRef.current?.scrollIntoView()
|
||||
|
||||
return {isFocusedElement, focusedClass, elementRef}
|
||||
}
|
||||
|
||||
function setFocusedElement(elementKey: string) {
|
||||
const url = new URL(window.location.href);
|
||||
url.searchParams.set('focus', elementKey);
|
||||
const focusChangeEvent = new Event(focusChangedEventName);
|
||||
history.pushState({}, "", url);
|
||||
window.dispatchEvent(focusChangeEvent)
|
||||
}
|
||||
|
||||
function Tag(props: {text: string}) {
|
||||
const tagKey = 'tag_' + props.text;
|
||||
const {focusedClass, elementRef} = useFocusedElement(tagKey)
|
||||
return (
|
||||
<span className='badge text-bg-light'>{props.text}</span>
|
||||
<span ref={elementRef}
|
||||
onClick={() => setFocusedElement(tagKey)}
|
||||
className={`badge text-bg-light ${focusedClass}`}>{props.text}</span>
|
||||
)
|
||||
}
|
||||
|
||||
|
@ -29,3 +29,6 @@
|
||||
.tag-badges > span:hover {
|
||||
filter: brightness(95%);
|
||||
}
|
||||
.focused-element {
|
||||
border: 2px solid red;
|
||||
}
|
Loading…
Reference in New Issue
Block a user