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fix: drag handle scrolling fixed (#5619)

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* fix: drag handle scrolling fixed

* fix: closest scrollable parent found and scrolled

* fix: removed overflow auto from framerenderer

* fix: make dragging dynamic and smoother
This commit is contained in:
M. Palanikannan 2024-10-08 16:44:05 +05:30 • committed by GitHub
parent 328b6961a2
commit 5fb7e98b7c
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GPG key ID: B5690EEEBB952194
2 changed files with 39 additions and 7 deletions
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2
packages/editor/src/core/extensions/side-menu.tsx
View file

@ -42,7 +42,7 @@ export const SideMenuExtension = (props: Props) => {
ai: aiEnabled,
dragDrop: dragDropEnabled,
},
scrollThreshold: { up: 300, down: 100 },
scrollThreshold: { up: 200, down: 100 },
}),
];
},

44
packages/editor/src/core/plugins/drag-handle.ts
View file

@ -233,14 +233,46 @@ export const DragHandlePlugin = (options: SideMenuPluginProps): SideMenuHandleOp
dragHandleElement.addEventListener("click", (e) => handleClick(e, view));
dragHandleElement.addEventListener("contextmenu", (e) => handleClick(e, view));
const isScrollable = (node: HTMLElement | SVGElement) => {
if (!(node instanceof HTMLElement || node instanceof SVGElement)) {
return false;
}
const style = getComputedStyle(node);
return ["overflow", "overflow-y"].some((propertyName) => {
const value = style.getPropertyValue(propertyName);
return value === "auto" || value === "scroll";
});
};
const getScrollParent = (node: HTMLElement | SVGElement) => {
let currentParent = node.parentElement;
while (currentParent) {
if (isScrollable(currentParent)) {
return currentParent;
}
currentParent = currentParent.parentElement;
}
return document.scrollingElement || document.documentElement;
};
const maxScrollSpeed = 100;
dragHandleElement.addEventListener("drag", (e) => {
hideDragHandle();
const frameRenderer = document.querySelector(".frame-renderer");
if (!frameRenderer) return;
if (e.clientY < options.scrollThreshold.up) {
frameRenderer.scrollBy({ top: -70, behavior: "smooth" });
} else if (window.innerHeight - e.clientY < options.scrollThreshold.down) {
frameRenderer.scrollBy({ top: 70, behavior: "smooth" });
const scrollableParent = getScrollParent(dragHandleElement);
if (!scrollableParent) return;
const scrollThreshold = options.scrollThreshold;
if (e.clientY < scrollThreshold.up) {
const overflow = scrollThreshold.up - e.clientY;
const ratio = Math.min(overflow / scrollThreshold.up, 1);
const scrollAmount = -maxScrollSpeed * ratio;
scrollableParent.scrollBy({ top: scrollAmount });
} else if (window.innerHeight - e.clientY < scrollThreshold.down) {
const overflow = e.clientY - (window.innerHeight - scrollThreshold.down);
const ratio = Math.min(overflow / scrollThreshold.down, 1);
const scrollAmount = maxScrollSpeed * ratio;
scrollableParent.scrollBy({ top: scrollAmount });
}
});