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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 );
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 =
{
Keep: "relative transition-all border(8 black) ",
Open: "h-auto w-1/2 top-8 duration-700",
Shut: "h-0 w-[300px] top-0 duration-300",
Move: "",
Exit: "h-auto w-auto top-36 px-4 opacity-0"
Open: `${base} h-auto top-8 duration-700`,
Shut: `${base} h-0 top-0 duration-300`,
};
const Window = window as {TwindInst?:(c:string)=>string};
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 && refControl.current(stateGet.open, 1000, ()=>stateSet({done:true}))}, [stateGet.open])
React.useEffect(()=>refControl.current = Collapser(refElement.current as HTMLElement, "Shut", Classes), []);
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>}>
{ (!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;
export type CollapseControls =(inOpen?:boolean, inMs?:number, inDone?:DoneCallback)=>void;
export function Collapser(inElement:HTMLElement, initialState = false)
export type CollapseControls =(inOpen?:string, inDone?:DoneCallback)=>void;
export function Collapser(inElement:HTMLElement, initialState:string, library:Record<string, string>)
{
let userDone:DoneCallback = (openState) => {};
let userMode = initialState;
let frameRequest = 0;
let inTransition = false;
let transitions = new Set();
let measurements:false|Record<string, { width: number; height: number; }>
let measurements:StyleCalc;
const transitions:Set<string> = new Set();
const run = (inEvent:TransitionEvent)=>
{
if (inEvent.target == inElement)
{
transitions.add(inEvent.propertyName);
}
console.log("+", inEvent.propertyName);
(inEvent.target == inElement) && transitions.add(inEvent.propertyName);
};
const end = (inEvent:TransitionEvent)=>
{
console.log("-", inEvent.propertyName);
if (inEvent.target == inElement)
{
transitions.delete(inEvent.propertyName);
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.clientHeight;
frameRequest = requestAnimationFrame(()=>{inElement.setAttribute("style", "")});
}
inTransition = false;
userDone(userMode);
inElement.setAttribute("style", "");
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("transitionrun", run);
return function(inOpen, inMs, inDone)
return function(inState:string, inDone)
{
cancelAnimationFrame(frameRequest);
if(arguments.length)
{
userDone = inDone|| ((m)=>{}) as DoneCallback;
userMode = inOpen === true;
if(!library[inState]){ return; }
if((inOpen || !measurements) && !inTransition)
userDone = inDone|| ((m)=>{}) as DoneCallback;
userMode = inState;
if(!inTransition)
{
const keep = inElement.getAttribute("data-class-keep")+" ";
measurements = getMeasurements({
Open: keep + inElement.getAttribute("data-class-open"),
Shut: keep + inElement.getAttribute("data-class-shut"),
});
measurements = StyleCalc(inElement, library);
console.log("measurements taken", measurements)
}
inElement.style.overflow = "hidden";
inElement.style.width = inElement.offsetWidth + "px";
inElement.style.height = inElement.offsetHeight + "px";
inTransition = true;
frameRequest = requestAnimationFrame(()=>
if(measurements)
{
const measure = inOpen ? measurements.Open : measurements.Shut;
inElement.style.width = measure.width + "px";
inElement.style.height = measure.height + "px";
inElement.className = inElement.getAttribute("data-class-keep") + " " + inElement.getAttribute(`data-class-${inOpen?"open":"shut"}`);
});
const [classes, width, height] = measurements[inState] as StyleSize;
inElement.style.overflow = "hidden";
inElement.style.width = inElement.offsetWidth + "px";
inElement.style.height = inElement.offsetHeight + "px";
inTransition = true;
console.log(`from: {${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
{
@ -151,4 +158,5 @@ export function Collapser(inElement:HTMLElement, initialState = false)
inElement.removeEventListener("transitionend", end);
}
} as CollapseControls;
}