start class states
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@ -41,18 +41,6 @@ export default ()=>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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<C.Group>
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<C.Button></C.Button>
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<C.Menu>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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</C.Menu>
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</C.Group>
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<p>hello!</p>
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<p>hello!</p>
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<p>hello!</p>
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@ -18,18 +18,30 @@ export const Menu =(props:{children:React.JSX.Element|React.JSX.Element[]})=>
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const refElement:React.MutableRefObject<HTMLElement|null> = React.useRef( null );
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const refControl:React.MutableRefObject<CollapseControls|null> = React.useRef( null );
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const classDefault = "relative transition-all duration-700 border";
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const classOpen = "h-auto w-auto top-10 px-4 ";
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const classShut = "h-0 w-[300px] top-0 px-0";
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window.TwindInst(classDefault);
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window.TwindInst(classOpen);
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window.TwindInst(classShut);
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type MenuClassStates = {Keep:string, Open:string, Shut:string, Move:string, Exit:string};
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const Classes:MenuClassStates =
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{
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Keep: "relative transition-all border",
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Open: "h-auto w-auto top-10 duration-1000",
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Shut: "h-0 w-[300px] top-0 duration-1000",
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Move: "",
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Exit: "h-auto w-auto top-36 px-4 opacity-0"
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};
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const Window = window as {TwindInst?:(c:string)=>string};
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if(Window.TwindInst)
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{
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for(let stateName in Classes)
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{
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Classes[stateName as keyof MenuClassStates] = Window.TwindInst(Classes[stateName as keyof MenuClassStates]);
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}
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}
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React.useEffect(()=>refControl.current = Collapser(refElement.current as HTMLElement, true), []);
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React.useEffect(()=> {refControl.current && refControl.current(stateGet.open, 1000, ()=>stateSet({done:true}))}, [stateGet.open])
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return <div class={classDefault} data-class={classDefault} data-class-open={classOpen} data-class-shut={classShut} ref={refElement as React.Ref<HTMLDivElement>}>{props.children}</div>;
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return <div class={Classes.Keep} data-class-keep={Classes.Keep} data-class-open={Classes.Open} data-class-shut={Classes.Shut} ref={refElement as React.Ref<HTMLDivElement>}>
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{ (!stateGet.open && stateGet.done) ? null : props.children}
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</div>;
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};
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export const Button =()=>
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@ -50,21 +62,36 @@ export function Collapser(inElement:HTMLElement, initialState = false)
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let userMode = initialState;
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let frameRequest = 0;
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const done = (inEvent:TransitionEvent)=>
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let transitions = new Set();
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const run = (inEvent:TransitionEvent)=>
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{
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if (inEvent.propertyName == "height" && inEvent.target == inElement)
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if (inEvent.target == inElement)
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{
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console.log("transition", inEvent.target)
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transitions.add(inEvent.propertyName);
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}
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};
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const end = (inEvent:TransitionEvent)=>
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{
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if (inEvent.target == inElement)
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{
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transitions.delete(inEvent.propertyName);
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if(transitions.size === 0)
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{
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inEvent.stopPropagation();
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if (userMode)
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{
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inElement.style.height = "";
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inElement.style.width = "";
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inElement.style.overflow = "visible";
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inElement.setAttribute("style", "");
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}
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userDone(userMode);
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}
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}
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};
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inElement.addEventListener("transitionend", done);
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inElement.addEventListener("transitionend", end);
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inElement.addEventListener("transitionrun", run);
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return function(inOpen, inMs, inDone)
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{
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@ -79,16 +106,15 @@ export function Collapser(inElement:HTMLElement, initialState = false)
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const h1 = inElement.clientHeight;
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const w1 = inElement.clientWidth;
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const classesInitial = inElement.getAttribute("class");
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const classesStart = inElement.getAttribute("data-class");
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const classesKeep = inElement.getAttribute("data-class-keep");
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const classesEnd = inElement.getAttribute(`data-class-${inOpen?"open":"shut"}`);
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// 2) disable transitions to get immediate results
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inElement.style.transition = "none";
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inElement.style.height = "";
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inElement.style.width = "";
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inElement.setAttribute("style", "");
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inElement.style.transition = "width none, height none";
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// 3) add new classes and capture new height
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inElement.className = classesStart + " " + classesEnd;
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inElement.className = classesKeep + " " + classesEnd;
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const h2 = inElement.clientHeight;
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const w2 = inElement.clientWidth;
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@ -96,18 +122,19 @@ export function Collapser(inElement:HTMLElement, initialState = false)
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inElement.style.height = h1+"px";
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inElement.style.width = w1+"px";
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inElement.style.overflow = "hidden";
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inElement.className = classesInitial;
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inElement.className = classesInitial ?? "";
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console.log(`BEFORE classes:"${inElement.className}" width:"${w1}" height:"${h1}"`);
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frameRequest = requestAnimationFrame(()=>
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{
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inElement.style.transition = "";
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frameRequest = requestAnimationFrame(()=>
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{
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inElement.style.height = `${h2}px`;
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inElement.style.width = `${w2}px`;
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inElement.className = classesStart + " " + classesEnd;
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inElement.className = classesKeep + " " + classesEnd;
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console.log(`AFTER classes:"${inElement.className}" width:"${w2}" height:"${h2}"`);
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});
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@ -115,7 +142,8 @@ export function Collapser(inElement:HTMLElement, initialState = false)
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}
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else
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{
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inElement.removeEventListener("transitionend", done);
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inElement.removeEventListener("transitionrun", run);
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inElement.removeEventListener("transitionend", end);
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}
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} as CollapseControls;
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}
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