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start class states

This commit is contained in:
Seth Trowbridge 2023-05-21 22:12:47 -04:00
parent de6115248a
commit eb64cb95b1
2 changed files with 58 additions and 42 deletions
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12
example/app.tsx
View File

@ -41,18 +41,6 @@ export default ()=>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>
<C.Group>
<C.Button></C.Button>
<C.Menu>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>
</C.Menu>
</C.Group>
<p>hello!</p>
<p>hello!</p>
<p>hello!</p>

88
example/tree-menu.tsx
View File

@ -17,19 +17,31 @@ export const Menu =(props:{children:React.JSX.Element|React.JSX.Element[]})=>
const [stateGet, stateSet] = React.useContext(CTX);
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 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);
window.TwindInst(classShut);
type MenuClassStates = {Keep:string, Open:string, Shut:string, Move:string, Exit:string};
const Classes:MenuClassStates =
{
Keep: "relative transition-all border",
Open: "h-auto w-auto top-10 duration-1000",
Shut: "h-0 w-[300px] top-0 duration-1000",
Move: "",
Exit: "h-auto w-auto top-36 px-4 opacity-0"
};
const Window = window as {TwindInst?:(c:string)=>string};
if(Window.TwindInst)
{
for(let stateName in Classes)
{
Classes[stateName as keyof MenuClassStates] = Window.TwindInst(Classes[stateName as keyof MenuClassStates]);
}
}
React.useEffect(()=>refControl.current = Collapser(refElement.current as HTMLElement, true), []);
React.useEffect(()=> {refControl.current && refControl.current(stateGet.open, 1000, ()=>stateSet({done:true}))}, [stateGet.open])
return <div class={classDefault} data-class={classDefault} data-class-open={classOpen} data-class-shut={classShut} ref={refElement as React.Ref<HTMLDivElement>}>{props.children}</div>;
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}
</div>;
};
export const Button =()=>
@ -50,21 +62,36 @@ export function Collapser(inElement:HTMLElement, initialState = false)
let userMode = initialState;
let frameRequest = 0;
const done = (inEvent:TransitionEvent)=>
let transitions = new Set();
const run = (inEvent:TransitionEvent)=>
{
if (inEvent.propertyName == "height" && inEvent.target == inElement)
if (inEvent.target == inElement)
{
inEvent.stopPropagation();
if (userMode)
{
inElement.style.height = "";
inElement.style.width = "";
inElement.style.overflow = "visible";
}
userDone(userMode);
console.log("transition", inEvent.target)
transitions.add(inEvent.propertyName);
}
};
inElement.addEventListener("transitionend", done);
const end = (inEvent:TransitionEvent)=>
{
if (inEvent.target == inElement)
{
transitions.delete(inEvent.propertyName);
if(transitions.size === 0)
{
if (userMode)
{
inElement.setAttribute("style", "");
}
userDone(userMode);
}
}
};
inElement.addEventListener("transitionend", end);
inElement.addEventListener("transitionrun", run);
return function(inOpen, inMs, inDone)
{
@ -79,16 +106,15 @@ export function Collapser(inElement:HTMLElement, initialState = false)
const h1 = inElement.clientHeight;
const w1 = inElement.clientWidth;
const classesInitial = inElement.getAttribute("class");
const classesStart = inElement.getAttribute("data-class");
const classesKeep = inElement.getAttribute("data-class-keep");
const classesEnd = inElement.getAttribute(`data-class-${inOpen?"open":"shut"}`);
// 2) disable transitions to get immediate results
inElement.style.transition = "none";
inElement.style.height = "";
inElement.style.width = "";
inElement.setAttribute("style", "");
inElement.style.transition = "width none, height none";
// 3) add new classes and capture new height
inElement.className = classesStart + " " + classesEnd;
inElement.className = classesKeep + " " + classesEnd;
const h2 = inElement.clientHeight;
const w2 = inElement.clientWidth;
@ -96,26 +122,28 @@ export function Collapser(inElement:HTMLElement, initialState = false)
inElement.style.height = h1+"px";
inElement.style.width = w1+"px";
inElement.style.overflow = "hidden";
inElement.className = classesInitial;
inElement.className = classesInitial ?? "";
console.log(`BEFORE classes:"${inElement.className}" width:"${w1}" height:"${h1}"`);
frameRequest = requestAnimationFrame(()=>
{
inElement.style.transition = "";
frameRequest = requestAnimationFrame(()=>
{
inElement.style.height = `${h2}px`;
inElement.style.width = `${w2}px`;
inElement.className = classesStart + " " + classesEnd;
console.log(`AFTER classes:"${inElement.className}" width:"${w2}" height:"${h2}"`);
inElement.style.height = `${h2}px`;
inElement.style.width = `${w2}px`;
inElement.className = classesKeep + " " + classesEnd;
console.log(`AFTER classes:"${inElement.className}" width:"${w2}" height:"${h2}"`);
});
});
}
else
{
inElement.removeEventListener("transitionend", done);
inElement.removeEventListener("transitionrun", run);
inElement.removeEventListener("transitionend", end);
}
} as CollapseControls;
}