scrollable sticky widgets attempt
This commit is contained in:
Freeplay
parent
f5945269bf
commit
27a935a2ff
|
|
@ -2,79 +2,56 @@ export class StickySidebar {
|
|||
private lastScrollTop = 0;
|
||||
private container: HTMLElement;
|
||||
private el: HTMLElement;
|
||||
private spacer: HTMLElement;
|
||||
private marginTop: number;
|
||||
private isTop = false;
|
||||
private isBottom = false;
|
||||
private offsetTop: number;
|
||||
private globalHeaderHeight = 59;
|
||||
|
||||
constructor(
|
||||
container: StickySidebar["container"],
|
||||
marginTop = 0,
|
||||
globalHeaderHeight = 0,
|
||||
) {
|
||||
this.container = container;
|
||||
this.container.style.display = "flex";
|
||||
this.el = this.container.children[0] as HTMLElement;
|
||||
this.el.style.position = "sticky";
|
||||
this.spacer = document.createElement("div");
|
||||
this.container.prepend(this.spacer);
|
||||
this.marginTop = marginTop;
|
||||
this.offsetTop = this.container.getBoundingClientRect().top;
|
||||
this.globalHeaderHeight = globalHeaderHeight;
|
||||
}
|
||||
|
||||
public calc(scrollTop: number) {
|
||||
if (scrollTop > this.lastScrollTop) {
|
||||
// downscroll
|
||||
const overflow = Math.max(
|
||||
0,
|
||||
this.globalHeaderHeight +
|
||||
(this.el.clientHeight + this.marginTop) -
|
||||
window.innerHeight,
|
||||
);
|
||||
this.el.style.bottom = null;
|
||||
this.el.style.top = `${
|
||||
-overflow + this.marginTop + this.globalHeaderHeight
|
||||
}px`;
|
||||
|
||||
this.isTop = false;
|
||||
this.isBottom =
|
||||
scrollTop + window.innerHeight >=
|
||||
scrollTop + window.innerHeight >
|
||||
this.el.offsetTop + this.el.clientHeight;
|
||||
|
||||
if (this.isTop) {
|
||||
this.isTop = false;
|
||||
this.spacer.style.marginTop = `${Math.max(
|
||||
0,
|
||||
this.globalHeaderHeight +
|
||||
this.lastScrollTop +
|
||||
this.marginTop -
|
||||
this.offsetTop,
|
||||
)}px`;
|
||||
}
|
||||
} else {
|
||||
// upscroll
|
||||
const overflow =
|
||||
this.globalHeaderHeight +
|
||||
(this.el.clientHeight + this.marginTop) -
|
||||
window.innerHeight;
|
||||
this.el.style.top = null;
|
||||
this.el.style.bottom = `${-overflow}px`;
|
||||
this.isBottom = false;
|
||||
this.isTop = scrollTop < this.el.offsetTop + 1;
|
||||
}
|
||||
|
||||
this.isTop =
|
||||
scrollTop + this.marginTop + this.globalHeaderHeight <=
|
||||
this.el.offsetTop;
|
||||
|
||||
if (this.isBottom) {
|
||||
this.isBottom = false;
|
||||
this.spacer.style.marginTop = `${
|
||||
this.globalHeaderHeight +
|
||||
this.lastScrollTop +
|
||||
this.marginTop -
|
||||
this.offsetTop -
|
||||
overflow
|
||||
}px`;
|
||||
if (this.isTop) {
|
||||
if (this.el.style.alignSelf != "flex-start") {
|
||||
this.el.style.position = "sticky";
|
||||
this.el.style.bottom = null;
|
||||
this.el.style.top = "0px";
|
||||
this.el.style.alignSelf = "flex-start";
|
||||
console.log("top");
|
||||
}
|
||||
this.offsetTop = scrollTop;
|
||||
} else if (this.isBottom) {
|
||||
if (this.el.style.alignSelf != "flex-end") {
|
||||
this.el.style.position = "sticky";
|
||||
this.el.style.bottom = "0px";
|
||||
this.el.style.top = null;
|
||||
this.el.style.alignSelf = "flex-end";
|
||||
console.log("bottom");
|
||||
}
|
||||
this.offsetTop = window.innerHeight + scrollTop - this.el.scrollHeight;
|
||||
} else {
|
||||
this.el.style.position = "relative";
|
||||
this.el.style.top = this.offsetTop + "px";
|
||||
this.el.style.bottom = null;
|
||||
this.el.style.alignSelf = null;
|
||||
}
|
||||
|
||||
this.lastScrollTop = scrollTop <= 0 ? 0 : scrollTop;
|
||||
|
|
|
|||
|
|
@ -20,7 +20,7 @@
|
|||
</MkStickyContainer>
|
||||
|
||||
<div v-if="isDesktop" ref="widgetsEl" class="widgets-container">
|
||||
<XWidgets />
|
||||
<XWidgets @mounted="attachSticky" />
|
||||
</div>
|
||||
|
||||
<button
|
||||
|
|
@ -380,6 +380,13 @@ const onContextmenu = (ev: MouseEvent) => {
|
|||
);
|
||||
};
|
||||
|
||||
const attachSticky = (el: any) => {
|
||||
const sticky = new StickySidebar(widgetsEl);
|
||||
addEventListener("scroll", () => {
|
||||
sticky.calc(window.scrollY)
|
||||
}, { passive: true });
|
||||
};
|
||||
|
||||
function top() {
|
||||
window.scroll({ top: 0, behavior: "smooth" });
|
||||
}
|
||||
|
|
@ -440,7 +447,7 @@ console.log(mainRouter.currentRoute.value.name);
|
|||
$widgets-hide-threshold: 1090px;
|
||||
|
||||
// ほんとは単に 100vh と書きたいところだが... https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
|
||||
height: 100%;
|
||||
min-height: calc(var(--vh, 1vh) * 100);
|
||||
box-sizing: border-box;
|
||||
display: flex;
|
||||
|
||||
|
|
@ -550,14 +557,9 @@ console.log(mainRouter.currentRoute.value.name);
|
|||
}
|
||||
|
||||
> .widgets-container {
|
||||
margin-right: calc(var(--margin) / 2);
|
||||
width: calc(300px + (var(--margin) * 1.5));
|
||||
flex: 0 0 auto;
|
||||
padding: 0 var(--margin);
|
||||
width: 300px;
|
||||
box-sizing: content-box;
|
||||
> :deep(.widgets) {
|
||||
padding-left: var(--margin);
|
||||
padding-right: calc(var(--margin) / 2);
|
||||
}
|
||||
|
||||
@media (max-width: $widgets-hide-threshold) {
|
||||
display: none;
|
||||
|
|
|
|||
|
|
@ -85,22 +85,18 @@ function updateWidgets(widgets) {
|
|||
<style lang="scss" scoped>
|
||||
.widgets {
|
||||
position: sticky;
|
||||
top: var(--stickyTop, 0px);
|
||||
height: min-content;
|
||||
min-height: 100vh;
|
||||
max-height: 100vh;
|
||||
box-sizing: content-box;
|
||||
overflow: hidden auto;
|
||||
&:not(:hover):not(:focus-within)::-webkit-scrollbar {
|
||||
width: 0;
|
||||
}
|
||||
padding: var(--margin) 0;
|
||||
box-sizing: border-box;
|
||||
|
||||
> * {
|
||||
margin: var(--margin) 0;
|
||||
width: 300px;
|
||||
}
|
||||
> :first-child {
|
||||
margin-top: calc(var(--margin) * 2);
|
||||
|
||||
&:first-child {
|
||||
margin-top: 0;
|
||||
}
|
||||
}
|
||||
|
||||
> .add {
|
||||
|
|
|
|||
Loading…
Reference in New Issue