点中或悬停图片四角出把手,按原比例缩放。宽写回 style、去掉高(学生端高一律 auto): 老题面的图片尺寸都在 style 里,Tiptap 自带的 resize 写的是 width / height 属性, 被 style 盖住,拖完存下来还是原尺寸,所以自己接了 ResizableNodeView。 解析和输出没动,不拖的图片打开再保存和原来一样。 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -692,6 +692,43 @@ const inTable = computed(() => isActive("table"))
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vertical-align: middle;
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}
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/* 图片外面那层可缩放的容器(richText.ts 的 StyledImage):选中或悬停时四个角出把手 */
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.content :deep([data-resize-container]) {
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max-width: 100%;
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vertical-align: middle;
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}
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.content :deep([data-resize-wrapper]) {
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min-width: 0;
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max-width: 100%;
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}
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.content :deep([data-resize-handle]) {
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display: none;
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width: 9px;
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height: 9px;
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margin: -4px;
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border: 1px solid #fff;
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background: v-bind("theme.primaryColor");
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z-index: 1;
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}
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.content :deep([data-resize-container]:hover [data-resize-handle]),
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.content :deep(.ProseMirror-selectednode [data-resize-handle]),
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.content :deep([data-resize-state="true"] [data-resize-handle]) {
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display: block;
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}
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.content :deep([data-resize-handle="top-left"]),
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.content :deep([data-resize-handle="bottom-right"]) {
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cursor: nwse-resize;
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}
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.content :deep([data-resize-handle="top-right"]),
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.content :deep([data-resize-handle="bottom-left"]) {
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cursor: nesw-resize;
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}
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.content :deep(.ProseMirror-selectednode) {
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outline: 2px solid v-bind("theme.primaryColor");
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}
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@@ -1,4 +1,4 @@
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import { Extension } from "@tiptap/core"
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import { Extension, getRenderedAttributes, ResizableNodeView } from "@tiptap/core"
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import { Image } from "@tiptap/extension-image"
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import { TableKit } from "@tiptap/extension-table"
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import { TextAlign } from "@tiptap/extension-text-align"
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@@ -27,6 +27,61 @@ const StyledImage = Image.extend({
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},
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}
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},
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// 拖四个角缩放。Tiptap 自带的 resize 把尺寸写进 width / height 属性,可老图的尺寸在 style 里、
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// 盖过属性,拖完存下来还是原来的大小 —— 所以自己接:宽写回 style,高去掉(学生端高一律 auto)
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addNodeView() {
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return ({ node, getPos, editor }) => {
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const img = document.createElement("img")
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const extensionAttributes = editor.extensionManager.attributes
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/** 节点属性原样落到 <img> 上,编辑区和存下来的 HTML 是同一个样子 */
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const render = (node: Parameters<typeof getRenderedAttributes>[0]) => {
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const attributes = getRenderedAttributes(node, extensionAttributes)
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for (const name of img.getAttributeNames()) {
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if (attributes[name] == null) img.removeAttribute(name)
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}
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for (const [name, value] of Object.entries(attributes)) {
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if (value != null) img.setAttribute(name, value)
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}
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// 拖动的是外面那层容器,图片自己不能被浏览器当成原生拖拽
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img.draggable = false
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}
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render(node)
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const view = new ResizableNodeView({
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element: img,
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editor,
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node,
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getPos,
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onCommit: (width) => {
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const pos = getPos()
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if (pos === undefined) return
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const { style } = document.createElement("img")
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style.cssText = view.node.attrs.style ?? ""
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style.removeProperty("height")
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style.width = `${Math.round(width)}px`
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editor
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.chain()
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.setNodeSelection(pos)
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.updateAttributes(this.name, { style: style.cssText, width: null, height: null })
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.run()
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},
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onUpdate: (node) => {
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render(node)
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return true
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},
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options: {
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directions: ["top-left", "top-right", "bottom-left", "bottom-right"],
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min: { width: 24, height: 24 },
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preserveAspectRatio: true,
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},
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})
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// 它会拿 width 属性往 style 里写一份,和 style 里原有的宽打架;以节点属性为准
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render(node)
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return view
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}
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},
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})
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/** 段落的首行缩进、左边距。老题面里有 `text-indent: 28pt`、`padding-left: 40px` 这种 */
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