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StyleCalc started

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Seth Trowbridge 2023-05-24 15:40:03 -04:00
parent 73ecde256b
commit 049e4c0f0e
1 changed files with 70 additions and 62 deletions
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132
example/tree-menu.tsx
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@ -19,13 +19,11 @@ export const Menu =(props:{children:React.JSX.Element|React.JSX.Element[]})=>
const refControl:React.MutableRefObject<CollapseControls|null> = React.useRef( null ); const refControl:React.MutableRefObject<CollapseControls|null> = React.useRef( null );
type MenuClassStates = {Keep:string, Open:string, Shut:string, Move:string, Exit:string}; type MenuClassStates = {Keep:string, Open:string, Shut:string, Move:string, Exit:string};
const base = `relative transition-all border(8 black) overflow-hidden`;
const Classes:MenuClassStates = const Classes:MenuClassStates =
{ {
Keep: "relative transition-all border(8 black) ", Open: `${base} h-auto top-8 duration-700`,
Open: "h-auto w-1/2 top-8 duration-700", Shut: `${base} h-0 top-0 duration-300`,
Shut: "h-0 w-[300px] top-0 duration-300",
Move: "",
Exit: "h-auto w-auto top-36 px-4 opacity-0"
}; };
const Window = window as {TwindInst?:(c:string)=>string}; const Window = window as {TwindInst?:(c:string)=>string};
if(Window.TwindInst) if(Window.TwindInst)
@ -36,8 +34,8 @@ export const Menu =(props:{children:React.JSX.Element|React.JSX.Element[]})=>
} }
} }
React.useEffect(()=>refControl.current = Collapser(refElement.current as HTMLElement, true), []); React.useEffect(()=>refControl.current = Collapser(refElement.current as HTMLElement, "Shut", Classes), []);
React.useEffect(()=> {refControl.current && refControl.current(stateGet.open, 1000, ()=>stateSet({done:true}))}, [stateGet.open]) React.useEffect(()=> {refControl.current && refControl.current(stateGet.open ? "Open" : "Shut", ()=>stateSet({done:true}))}, [stateGet.open])
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>}> 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>}>
{ (!stateGet.open && stateGet.done) ? null : props.children} { (!stateGet.open && stateGet.done) ? null : props.children}
@ -54,96 +52,105 @@ export const Button =()=>
</>; </>;
}; };
type StyleSize = [classes:string, width:number, height:number];
type StylePack = Record<string, string>;
type StyleCalc = Record<string, StyleSize>;
const StyleCalc =(inElement:HTMLElement, inClasses:StylePack)=>
{
const initialStyle = inElement.getAttribute("style")||"";
const initialClass = inElement.getAttribute("class")||"";
const output = {} as StyleCalc;
inElement.setAttribute("style", `transition: none; overflow: hidden;`);
inElement.clientHeight;
Object.entries(inClasses).forEach(([key, value])=>
{
inElement.setAttribute("class", value);
inElement.clientHeight;
output[key] = [value, inElement.offsetWidth, inElement.offsetHeight];
});
inElement.setAttribute("style", initialStyle);
inElement.setAttribute("class", initialClass);
inElement.clientHeight;
return output;
};
type DoneCallback =(openState:boolean)=>void; type DoneCallback =(openState:boolean)=>void;
export type CollapseControls =(inOpen?:boolean, inMs?:number, inDone?:DoneCallback)=>void; export type CollapseControls =(inOpen?:string, inDone?:DoneCallback)=>void;
export function Collapser(inElement:HTMLElement, initialState = false) export function Collapser(inElement:HTMLElement, initialState:string, library:Record<string, string>)
{ {
let userDone:DoneCallback = (openState) => {}; let userDone:DoneCallback = (openState) => {};
let userMode = initialState; let userMode = initialState;
let frameRequest = 0; let frameRequest = 0;
let inTransition = false; let inTransition = false;
let measurements:StyleCalc;
let transitions = new Set(); const transitions:Set<string> = new Set();
let measurements:false|Record<string, { width: number; height: number; }>
const run = (inEvent:TransitionEvent)=> const run = (inEvent:TransitionEvent)=>
{ {
if (inEvent.target == inElement) console.log("+", inEvent.propertyName);
{ (inEvent.target == inElement) && transitions.add(inEvent.propertyName);
transitions.add(inEvent.propertyName);
}
}; };
const end = (inEvent:TransitionEvent)=> const end = (inEvent:TransitionEvent)=>
{ {
console.log("-", inEvent.propertyName);
if (inEvent.target == inElement) if (inEvent.target == inElement)
{ {
transitions.delete(inEvent.propertyName); transitions.delete(inEvent.propertyName);
if(transitions.size === 0) if(transitions.size === 0)
{ {
if (userMode) console.log("--done--", userMode);
inElement.setAttribute("style", "transition:none;");
inElement.clientHeight;
frameRequest = requestAnimationFrame(()=>
{ {
inElement.setAttribute("style", "transition:none;"); inElement.setAttribute("style", "");
inElement.clientHeight; inTransition = false;
frameRequest = requestAnimationFrame(()=>{inElement.setAttribute("style", "")}); userDone(userMode);
} });
inTransition = false;
userDone(userMode);
} }
} }
}; };
const getMeasurements =(inClasses:Record<string, string>)=>
{
inElement.setAttribute("style", `transition: none;`);
const initialClasses = inElement.getAttribute("class")||"";
const output = {} as Record<string, {width:number, height:number}>;
Object.entries(inClasses).forEach(([key, value])=>
{
inElement.setAttribute("class", value);
output[key] = { width: inElement.offsetWidth, height: inElement.offsetHeight };
});
inElement.removeAttribute("style");
inElement.setAttribute("class", initialClasses);
return output;
};
inElement.addEventListener("transitionend", end); inElement.addEventListener("transitionend", end);
inElement.addEventListener("transitionrun", run); inElement.addEventListener("transitionrun", run);
return function(inOpen, inMs, inDone) return function(inState:string, inDone)
{ {
cancelAnimationFrame(frameRequest); cancelAnimationFrame(frameRequest);
if(arguments.length) if(arguments.length)
{ {
userDone = inDone|| ((m)=>{}) as DoneCallback; if(!library[inState]){ return; }
userMode = inOpen === true;
if((inOpen || !measurements) && !inTransition) userDone = inDone|| ((m)=>{}) as DoneCallback;
userMode = inState;
if(!inTransition)
{ {
const keep = inElement.getAttribute("data-class-keep")+" "; measurements = StyleCalc(inElement, library);
measurements = getMeasurements({ console.log("measurements taken", measurements)
Open: keep + inElement.getAttribute("data-class-open"),
Shut: keep + inElement.getAttribute("data-class-shut"),
});
} }
inElement.style.overflow = "hidden"; if(measurements)
inElement.style.width = inElement.offsetWidth + "px";
inElement.style.height = inElement.offsetHeight + "px";
inTransition = true;
frameRequest = requestAnimationFrame(()=>
{ {
const measure = inOpen ? measurements.Open : measurements.Shut; const [classes, width, height] = measurements[inState] as StyleSize;
inElement.style.width = measure.width + "px"; inElement.style.overflow = "hidden";
inElement.style.height = measure.height + "px"; inElement.style.width = inElement.offsetWidth + "px";
inElement.className = inElement.getAttribute("data-class-keep") + " " + inElement.getAttribute(`data-class-${inOpen?"open":"shut"}`); inElement.style.height = inElement.offsetHeight + "px";
inTransition = true;
}); console.log(`from: {${inElement.offsetWidth} ${inElement.offsetHeight}}`)
frameRequest = requestAnimationFrame(()=>
{
inElement.style.width = width + "px";
inElement.style.height = height + "px";
inElement.className = classes;
console.log(` to: {${width} ${height}}`)
});
}
} }
else else
{ {
@ -151,4 +158,5 @@ export function Collapser(inElement:HTMLElement, initialState = false)
inElement.removeEventListener("transitionend", end); inElement.removeEventListener("transitionend", end);
} }
} as CollapseControls; } as CollapseControls;
} }