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NotesAgentic/frontend/src/features/editor/VisualMarkdownEditor.vue
T

284 lines
15 KiB
Vue

<script setup lang="ts">
import { onBeforeUnmount, onMounted, ref } from 'vue'
import { Link } from '@element-plus/icons-vue'
import { Crepe } from '@milkdown/crepe'
import {
createCodeBlockCommand,
toggleEmphasisCommand,
toggleInlineCodeCommand,
toggleLinkCommand,
toggleStrongCommand,
turnIntoTextCommand,
wrapInBulletListCommand,
wrapInHeadingCommand,
wrapInOrderedListCommand,
} from '@milkdown/kit/preset/commonmark'
import { commandsCtx, editorViewCtx } from '@milkdown/kit/core'
import { TextSelection } from '@milkdown/kit/prose/state'
import { callCommand } from '@milkdown/kit/utils'
import AppIcon from '@/components/common/AppIcon.vue'
import { useEditorStore } from '@/stores/editor'
import { useSettingsStore } from '@/stores/settings'
import { applyMarkdownFontSize, fontSizeMarkdownPlugin } from './fontSizeMarkdown'
import '@milkdown/crepe/theme/common/style.css'
import '@milkdown/crepe/theme/frame.css'
const props = defineProps<{ initialContent: string }>()
const editorStore = useEditorStore()
const settingsStore = useSettingsStore()
const editorRoot = ref<HTMLElement | null>(null)
const loading = ref(true)
const fontSizeInput = ref(16)
let crepe: Crepe | null = null
type ToolbarCommand = 'bold' | 'italic' | 'ordered-list' | 'bullet-list' | 'inline-code' | 'code-block' | 'inline-math' | 'math-block'
function runCommand(command: ToolbarCommand) {
const editor = crepe?.editor
if (!editor) return
const actions = {
bold: callCommand(toggleStrongCommand.key),
italic: callCommand(toggleEmphasisCommand.key),
'ordered-list': callCommand(wrapInOrderedListCommand.key),
'bullet-list': callCommand(wrapInBulletListCommand.key),
'inline-code': callCommand(toggleInlineCodeCommand.key),
'code-block': callCommand(createCodeBlockCommand.key, ''),
'inline-math': callCommand('ToggleLatex'),
'math-block': callCommand(createCodeBlockCommand.key, 'LaTeX'),
}
editor.action(actions[command])
editorRoot.value?.querySelector<HTMLElement>('.ProseMirror')?.focus()
}
function applyLink() {
if (!crepe) return
const href = window.prompt('请输入链接地址', 'https://')?.trim()
if (!href) return
crepe.editor.action((ctx) => {
const view = ctx.get(editorViewCtx)
const commands = ctx.get(commandsCtx)
if (view.state.selection.empty) {
const label = window.prompt('请输入链接文字', href)?.trim() || href
const from = view.state.selection.from
const transaction = view.state.tr.insertText(label, from)
transaction.setSelection(TextSelection.create(transaction.doc, from, from + label.length))
view.dispatch(transaction)
}
return commands.call(toggleLinkCommand.key, { href })
})
editorRoot.value?.querySelector<HTMLElement>('.ProseMirror')?.focus()
}
function applyHeading(event: Event) {
const value = (event.target as HTMLSelectElement).value
if (!value || !crepe) return
crepe.editor.action(value === 'paragraph'
? callCommand(turnIntoTextCommand.key)
: callCommand(wrapInHeadingCommand.key, Number(value)))
editorRoot.value?.querySelector<HTMLElement>('.ProseMirror')?.focus()
;(event.target as HTMLSelectElement).value = ''
}
function applyFontSize(event: Event) {
const size = Number((event.target as HTMLSelectElement).value)
if (!size || !crepe) return
fontSizeInput.value = size
applyFontSizeValue()
;(event.target as HTMLSelectElement).value = ''
}
function applyFontSizeValue() {
if (!crepe) return
const size = Math.min(96, Math.max(8, Math.round(Number(fontSizeInput.value))))
if (!Number.isFinite(size)) return
fontSizeInput.value = size
applyMarkdownFontSize(crepe.editor, size)
}
onMounted(async () => {
crepe = new Crepe({
root: editorRoot.value,
defaultValue: props.initialContent,
features: { [Crepe.Feature.TopBar]: false },
featureConfigs: {
[Crepe.Feature.Placeholder]: { text: '开始记录你的想法…' },
[Crepe.Feature.CodeMirror]: {
previewOnlyByDefault: false,
searchPlaceholder: '搜索语言',
noResultText: '没有匹配的语言',
copyText: '复制',
},
[Crepe.Feature.Latex]: {
inlineEditConfirm: '确认',
},
[Crepe.Feature.LinkTooltip]: {
editButton: '编辑',
removeButton: '移除',
confirmButton: '确认',
inputPlaceholder: '粘贴链接地址…',
},
[Crepe.Feature.Toolbar]: {
boldLabel: '加粗',
italicLabel: '斜体',
strikethroughLabel: '删除线',
codeLabel: '行内代码',
latexLabel: '行内公式',
linkLabel: '链接',
},
[Crepe.Feature.BlockEdit]: {
textGroup: {
label: '文本',
text: { label: '正文' },
h1: { label: '一级标题' },
h2: { label: '二级标题' },
h3: { label: '三级标题' },
h4: { label: '四级标题' },
h5: { label: '五级标题' },
h6: { label: '六级标题' },
quote: { label: '引用' },
divider: { label: '分割线' },
},
listGroup: {
label: '列表',
bulletList: { label: '无序列表' },
orderedList: { label: '有序列表' },
taskList: { label: '任务列表' },
},
advancedGroup: {
label: '插入',
image: { label: '图片' },
codeBlock: { label: '代码块' },
table: { label: '表格' },
math: { label: '公式块' },
},
},
},
})
crepe.editor.use(fontSizeMarkdownPlugin)
crepe.on((listener) => {
listener.markdownUpdated((_ctx, markdown, previousMarkdown) => {
if (markdown === previousMarkdown || markdown === editorStore.content) return
editorStore.updateContent(markdown)
editorStore.scheduleAutoSave(settingsStore.autoSaveInterval)
})
})
await crepe.create()
loading.value = false
})
onBeforeUnmount(() => { void crepe?.destroy() })
defineExpose({ getEditor: () => crepe?.editor })
</script>
<template>
<div class="visual-editor">
<div class="markdown-toolbar" role="toolbar" aria-label="Markdown 格式工具栏">
<label class="toolbar-select heading-select" title="设置标题级别">
<span class="format-glyph heading-glyph">H</span>
<select aria-label="标题级别" @change="applyHeading">
<option value="" selected>标题</option>
<option value="paragraph">正文</option>
<option v-for="level in 6" :key="level" :value="level">H{{ level }}</option>
</select>
</label>
<button type="button" title="加粗 (Ctrl+B)" aria-label="加粗" @pointerdown.prevent="runCommand('bold')"><strong class="format-glyph">B</strong></button>
<button type="button" title="斜体 (Ctrl+I)" aria-label="斜体" @pointerdown.prevent="runCommand('italic')"><em class="format-glyph">I</em></button>
<span class="toolbar-divider" />
<button type="button" class="list-glyph" title="有序列表" aria-label="有序列表" @pointerdown.prevent="runCommand('ordered-list')"><span class="list-marker">1</span><span class="list-lines"></span></button>
<button type="button" class="list-glyph" title="无序列表" aria-label="无序列表" @pointerdown.prevent="runCommand('bullet-list')"><span class="list-marker"></span><span class="list-lines"></span></button>
<span class="toolbar-divider" />
<label class="toolbar-select font-size-select" title="选择预设字号">
<span class="format-glyph font-size-glyph">A</span>
<select aria-label="文字字号" @change="applyFontSize">
<option value="" selected>字号</option>
<option v-for="size in [12, 14, 16, 18, 20, 24, 28, 32]" :key="size" :value="size">{{ size }} px</option>
</select>
</label>
<div class="font-size-input" title="输入字号后按 Enter 或点击应用">
<input v-model.number="fontSizeInput" type="number" min="8" max="96" step="1" aria-label="自定义字号"
@keydown.enter.prevent="applyFontSizeValue" />
<span>px</span>
<button type="button" aria-label="应用自定义字号" @pointerdown.prevent="applyFontSizeValue">应用</button>
</div>
<span class="toolbar-divider" />
<button type="button" title="行内代码" aria-label="行内代码" @pointerdown.prevent="runCommand('inline-code')"><code class="code-glyph">&lt;/&gt;</code></button>
<button type="button" title="代码块" aria-label="代码块" @pointerdown.prevent="runCommand('code-block')"><span class="block-glyph">{ }</span></button>
<button type="button" title="行内公式" aria-label="行内公式" @pointerdown.prevent="runCommand('inline-math')"><span class="math-glyph">ƒx</span></button>
<button type="button" title="公式块" aria-label="公式块" @pointerdown.prevent="runCommand('math-block')"><span class="math-glyph"></span></button>
<button type="button" title="插入链接" aria-label="插入链接" @pointerdown.prevent="applyLink"><AppIcon :icon="Link" :size="17" /></button>
</div>
<div v-if="loading" class="editor-loading">正在加载编辑器</div>
<div ref="editorRoot" class="milkdown-host" :class="{ loading }" />
</div>
</template>
<style scoped>
.visual-editor { display: flex; flex: 1; min-height: 0; flex-direction: column; background: var(--color-background-primary); }
.markdown-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 2px; min-height: 42px; padding: 5px var(--space-lg); border-bottom: 1px solid var(--color-border-subtle); background: var(--color-surface-primary); }
.markdown-toolbar button { display: inline-grid; place-items: center; min-width: 32px; min-height: 30px; padding: 4px 8px; border-radius: var(--radius-sm); color: var(--color-text-primary); }
.markdown-toolbar button:hover, .toolbar-select:hover { background: var(--color-background-hover); color: var(--color-text-primary); }
.markdown-toolbar button:focus-visible, .toolbar-select:focus-within { outline: 2px solid var(--color-border-focus); outline-offset: 1px; }
.format-glyph { font-family: Georgia, 'Times New Roman', serif; font-size: 17px; line-height: 1; }
.heading-glyph { font-weight: 800; }
.font-size-glyph { font-size: 18px; }
.list-glyph { grid-template-columns: 8px 14px; column-gap: 2px; font-weight: 700; }
.list-marker { font: 700 12px/1 var(--font-ui-sans); }
.list-lines { overflow: hidden; width: 14px; font-size: 15px; line-height: 1; transform: scaleX(1.2); }
.code-glyph, .block-glyph { padding: 0; background: transparent; color: inherit; font: 700 13px/1 var(--font-editor-mono); }
.math-glyph { font: italic 700 16px/1 Georgia, 'Times New Roman', serif; }
.toolbar-select { display: inline-flex; align-items: center; gap: 4px; min-height: 30px; padding: 3px 5px 3px 8px; border-radius: var(--radius-sm); color: var(--color-text-primary); }
.toolbar-select select { min-width: 58px; border: 0; outline: 0; background: transparent; color: inherit; cursor: pointer; font-size: var(--font-size-sm); }
.font-size-select select { min-width: 62px; }
.font-size-input { display: inline-flex; align-items: center; height: 30px; margin-left: 2px; overflow: hidden; border: 1px solid var(--color-border-default); border-radius: var(--radius-sm); color: var(--color-text-secondary); background: var(--color-background-primary); }
.font-size-input:focus-within { border-color: var(--color-border-focus); box-shadow: 0 0 0 1px var(--color-border-focus); }
.font-size-input input { width: 42px; height: 100%; padding-left: 7px; border: 0; outline: 0; background: transparent; color: var(--color-text-primary); }
.font-size-input span { font-size: var(--font-size-xs); }
.font-size-input button { min-width: auto; min-height: 100%; margin-left: 4px; padding: 3px 7px; border-left: 1px solid var(--color-border-default); border-radius: 0; font-size: var(--font-size-xs); }
.toolbar-divider { width: 1px; height: 20px; margin: 0 var(--space-xs); background: var(--color-border-default); }
.milkdown-host { flex: 1; min-height: 0; overflow: auto; color: var(--color-text-primary); }
.milkdown-host.loading { visibility: hidden; }
.editor-loading { padding: var(--space-xl); color: var(--color-text-tertiary); }
.milkdown-host :deep(.milkdown) {
min-height: 100%;
background: transparent;
color: inherit;
--crepe-color-background: var(--color-background-primary);
--crepe-color-on-background: var(--color-text-primary);
--crepe-color-surface: var(--color-surface-primary);
--crepe-color-surface-low: var(--color-background-secondary);
--crepe-color-on-surface: var(--color-text-primary);
--crepe-color-on-surface-variant: var(--color-text-secondary);
--crepe-color-outline: var(--color-markdown-grid);
--crepe-color-primary: var(--color-accent-primary);
--crepe-color-secondary: var(--color-accent-soft);
--crepe-color-on-secondary: var(--color-text-primary);
--crepe-color-inverse: var(--color-text-primary);
--crepe-color-on-inverse: var(--color-background-primary);
--crepe-color-inline-code: var(--color-error);
--crepe-color-error: var(--color-error);
--crepe-color-hover: var(--color-background-hover);
--crepe-color-selected: var(--color-accent-soft);
--crepe-color-inline-area: var(--color-background-tertiary);
--crepe-font-default: var(--font-editor-sans);
--crepe-font-code: var(--font-editor-mono);
}
.milkdown-host :deep(.ProseMirror) { box-sizing: border-box; width: min(100%, var(--editor-line-width, 80ch)); min-height: 100%; margin: 0 auto; padding: var(--space-3xl) var(--space-xl); outline: none; font-family: var(--font-editor-sans); font-size: var(--font-editor-size); line-height: var(--font-editor-line-height); caret-color: var(--color-accent-primary); }
.milkdown-host :deep(.ProseMirror-selectednode) { outline-color: var(--color-accent-primary); }
.milkdown-host :deep(.ProseMirror p) { font-weight: 400; }
.milkdown-host :deep(.ProseMirror h1), .milkdown-host :deep(.ProseMirror h2), .milkdown-host :deep(.ProseMirror h3), .milkdown-host :deep(.ProseMirror h4), .milkdown-host :deep(.ProseMirror h5), .milkdown-host :deep(.ProseMirror h6) { font-weight: 700; }
.milkdown-host :deep(.font-size-marker) { display: none; }
:global(.milkdown-toolbar) { border: 1px solid var(--color-border-default) !important; background: var(--color-surface-elevated) !important; box-shadow: var(--shadow-md) !important; }
:global(.milkdown-toolbar .toolbar-item svg), :global(.milkdown-toolbar .toolbar-item.active svg) { color: var(--color-text-primary) !important; fill: var(--color-text-primary) !important; opacity: 1 !important; }
:global(.milkdown-toolbar .toolbar-item:hover svg), :global(.milkdown-toolbar .toolbar-item.active svg) { color: var(--color-accent-primary) !important; fill: var(--color-accent-primary) !important; }
.milkdown-host :deep(.milkdown-table-block th),
.milkdown-host :deep(.milkdown-table-block td) { border-color: var(--color-markdown-grid); }
.milkdown-host :deep(.milkdown-table-block th) { background: var(--color-markdown-table-header); font-weight: 700; }
.milkdown-host :deep(.milkdown-list-item-block li .label-wrapper) { color: var(--color-markdown-marker); font-weight: 700; }
.milkdown-host :deep(.milkdown-list-item-block li .label-wrapper svg) { fill: var(--color-markdown-marker); }
.milkdown-host :deep(code) { font-family: var(--font-editor-mono); }
:global([data-theme='dark']) .milkdown-host :deep(.milkdown) { color-scheme: dark; }
@media (max-width: 680px) { .toolbar-select select { min-width: 46px; width: 46px; } }
</style>