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allow for width transitions

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This commit is contained in:
Seth Trowbridge 2023-05-20 07:20:30 -04:00
parent 4ed9239212
commit 52c731c794
1 changed files with 11 additions and 8 deletions
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19
example/tree-menu.tsx
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@ -18,9 +18,9 @@ export const Menu =(props:{children:React.JSX.Element|React.JSX.Element[]})=>
const refElement:React.MutableRefObject<HTMLElement|null> = React.useRef( null );
const refControl:React.MutableRefObject<CollapseControls|null> = React.useRef( null );
const classDefault = "relative transition-all duration-700";
const classOpen = "h-auto top-10 px-4";
const classShut = "h-0 top-0 px-0";
const classDefault = "relative transition-all duration-700 border";
const classOpen = "h-auto w-auto top-10 px-4 ";
const classShut = "h-0 w-[300px] top-0 px-0";
window.TwindInst(classDefault);
window.TwindInst(classOpen);
@ -74,8 +74,9 @@ export function Collapser(inElement:HTMLElement, initialState = false)
userDone = inDone|| ((m)=>{}) as DoneCallback;
userMode = inOpen === true;
// 1) capture current height and possible classes
// 1) capture current state and possible classes
const h1 = inElement.clientHeight;
const w1 = inElement.clientWidth;
const classesInitial = inElement.getAttribute("class");
const classesStart = inElement.getAttribute("data-class");
const classesEnd = inElement.getAttribute(`data-class-${inOpen?"open":"shut"}`);
@ -83,19 +84,20 @@ export function Collapser(inElement:HTMLElement, initialState = false)
// 2) disable transitions to get immediate results
inElement.style.transition = "none";
inElement.style.height = "";
inElement.style.width = "";
// 3) add new classes and capture new height
inElement.className = classesStart + " " + classesEnd;
const h2 = inElement.clientHeight;
const w2 = inElement.clientWidth;
// 4) put everything back (and turn on overflow hidden)
inElement.style.height = h1+"px";
inElement.style.width = w1+"px";
inElement.style.overflow = "hidden";
inElement.className = classesInitial;
console.log(`before: classes are "${inElement.className}"`);
console.log("LOOK", h1, h2);
console.log(`BEFORE classes:"${inElement.className}" width:"${w1}" height:"${h1}"`);
frameRequest = requestAnimationFrame(()=>
{
@ -103,8 +105,9 @@ export function Collapser(inElement:HTMLElement, initialState = false)
frameRequest = requestAnimationFrame(()=>
{
inElement.style.height = `${h2}px`;
inElement.style.width = `${w2}px`;
inElement.className = classesStart + " " + classesEnd;
console.log(`after: classes are "${inElement.className}"`);
console.log(`AFTER classes:"${inElement.className}" width:"${w2}" height:"${h2}"`);
});
});