feat: add resizable image component and rich text editor with image upload support

2026-03-21 20:45:23 +01:00
parent a835af2d71
commit df272e38ef
9 changed files with 1521 additions and 105 deletions
@@ -0,0 +1,135 @@
+"use client";
+
+import React, { useCallback, useEffect, useRef, useState } from "react";
+import { Node, mergeAttributes } from "@tiptap/core";
+import { NodeViewWrapper, ReactNodeViewRenderer } from "@tiptap/react";
+import type { NodeViewProps } from "@tiptap/react";
+
+function ResizableImageView({ node, updateAttributes, selected }: NodeViewProps) {
+  const imgRef = useRef<HTMLImageElement>(null);
+  const [resizing, setResizing] = useState(false);
+  const startState = useRef<{ x: number; y: number; width: number; height: number; handle: string }>({
+    x: 0, y: 0, width: 0, height: 0, handle: "",
+  });
+
+  const onMouseDown = useCallback((e: React.MouseEvent, handle: string) => {
+    e.preventDefault();
+    e.stopPropagation();
+    const img = imgRef.current;
+    if (!img) return;
+    startState.current = {
+      x: e.clientX,
+      y: e.clientY,
+      width: img.offsetWidth,
+      height: img.offsetHeight,
+      handle,
+    };
+    setResizing(true);
+  }, []);
+
+  useEffect(() => {
+    if (!resizing) return;
+
+    const onMouseMove = (e: MouseEvent) => {
+      const { x, width, handle } = startState.current;
+      const dx = e.clientX - x;
+      let newWidth: number;
+
+      if (handle === "right" || handle === "bottom-right" || handle === "top-right") {
+        newWidth = Math.max(50, width + dx);
+      } else {
+        newWidth = Math.max(50, width - dx);
+      }
+
+      updateAttributes({ width: Math.round(newWidth) });
+    };
+
+    const onMouseUp = () => {
+      setResizing(false);
+    };
+
+    document.addEventListener("mousemove", onMouseMove);
+    document.addEventListener("mouseup", onMouseUp);
+    return () => {
+      document.removeEventListener("mousemove", onMouseMove);
+      document.removeEventListener("mouseup", onMouseUp);
+    };
+  }, [resizing, updateAttributes]);
+
+  const width = node.attrs.width;
+  const style: React.CSSProperties = {
+    ...(width ? { width: `${width}px` } : {}),
+    maxWidth: "100%",
+  };
+
+  return (
+    <NodeViewWrapper as="span" className="inline-block relative" draggable data-drag-handle>
+      <span
+        className={`relative inline-block group ${selected ? "ring-2 ring-primary rounded" : ""}`}
+        style={style}
+      >
+        <img
+          ref={imgRef}
+          src={node.attrs.src}
+          alt={node.attrs.alt || ""}
+          title={node.attrs.title || undefined}
+          style={{ width: "100%", height: "auto", display: "block" }}
+          draggable={false}
+        />
+        {selected && (
+          <>
+            {/* Resize handle: right */}
+            <span
+              onMouseDown={(e) => onMouseDown(e, "right")}
+              className="absolute top-1/2 -right-1.5 -translate-y-1/2 w-3 h-8 bg-primary rounded cursor-ew-resize"
+            />
+            {/* Resize handle: left */}
+            <span
+              onMouseDown={(e) => onMouseDown(e, "left")}
+              className="absolute top-1/2 -left-1.5 -translate-y-1/2 w-3 h-8 bg-primary rounded cursor-ew-resize"
+            />
+            {/* Resize handle: bottom-right corner */}
+            <span
+              onMouseDown={(e) => onMouseDown(e, "bottom-right")}
+              className="absolute -bottom-1.5 -right-1.5 w-3 h-3 bg-primary rounded cursor-nwse-resize"
+            />
+          </>
+        )}
+      </span>
+    </NodeViewWrapper>
+  );
+}
+
+export const ResizableImage = Node.create({
+  name: "image",
+  group: "inline",
+  inline: true,
+  draggable: true,
+  selectable: true,
+
+  addAttributes() {
+    return {
+      src: { default: null },
+      alt: { default: null },
+      title: { default: null },
+      width: { default: null },
+    };
+  },
+
+  parseHTML() {
+    return [{ tag: "img[src]" }];
+  },
+
+  renderHTML({ HTMLAttributes }) {
+    const attrs: Record<string, string> = { ...HTMLAttributes };
+    if (attrs.width) {
+      attrs.style = `width: ${attrs.width}px; max-width: 100%;`;
+      delete attrs.width;
+    }
+    return ["img", mergeAttributes(attrs)];
+  },
+
+  addNodeView() {
+    return ReactNodeViewRenderer(ResizableImageView);
+  },
+});