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Improve paste behavior in styled blocks and multi-line content

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- Preserve block styles (headings, blockquotes, list items) when pasting single-line text
- Handle multi-line paste content by converting markdown to HTML
- Maintain existing plain text insertion for mid-line pastes in content blocks
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suyao 2025-10-24 04:48:50 +08:00
parent 99de3eeff7
commit d5dd8bc123
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1 changed files with 18 additions and 5 deletions
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23
src/renderer/src/components/RichEditor/useRichEditor.ts
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@ -422,18 +422,31 @@ export const useRichEditor = (options: UseRichEditorOptions = {}): UseRichEditor
const text = event.clipboardData?.getData('text/plain') ?? ''
if (text) {
const { $from } = selection
const parentNode = $from.parent
const atStartOfLine = $from.parentOffset === 0
const inEmptyParagraph = $from.parent.type.name === 'paragraph' && $from.parent.textContent === ''
const isEmptyBlock = parentNode.textContent === ''
const hasMultipleLines = text.includes('\n')
// If pasting in the middle of a line, insert as plain text to avoid unwanted line breaks
if (!atStartOfLine && !inEmptyParagraph) {
// Insert plain text without creating new paragraphs
// Check if we're in a styled block (heading, blockquote, etc.) that should preserve its style
const styledBlocks = ['heading', 'blockquote', 'listItem']
const isInStyledBlock = styledBlocks.includes(parentNode.type.name)
// If in a styled block (like H1), always insert as plain text to preserve the style
// even if the block is empty or we're at the start
if (isInStyledBlock && !hasMultipleLines) {
const tr = view.state.tr.insertText(text, selection.from, selection.to)
view.dispatch(tr)
return true
}
// At start of line or in empty paragraph: convert markdown to HTML and insert
// If pasting in the middle of a line (not at start, block has content), insert plain text
if (!atStartOfLine && !isEmptyBlock && !hasMultipleLines) {
const tr = view.state.tr.insertText(text, selection.from, selection.to)
view.dispatch(tr)
return true
}
// Otherwise (at start of paragraph, or multi-line paste): convert markdown to HTML
const html = markdownToHtml(text)
editor.commands.insertContent(html)
onPaste?.(html)