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Diffstat (limited to 'src/client/util/ParagraphNodeSpec.ts')
-rw-r--r-- | src/client/util/ParagraphNodeSpec.ts | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/client/util/ParagraphNodeSpec.ts b/src/client/util/ParagraphNodeSpec.ts deleted file mode 100644 index 0a3b68217..000000000 --- a/src/client/util/ParagraphNodeSpec.ts +++ /dev/null @@ -1,143 +0,0 @@ -import clamp from './clamp'; -import convertToCSSPTValue from './convertToCSSPTValue'; -import toCSSLineSpacing from './toCSSLineSpacing'; -import { Node, DOMOutputSpec } from 'prosemirror-model'; - -//import type { NodeSpec } from './Types'; -type NodeSpec = { - attrs?: { [key: string]: any }, - content?: string, - draggable?: boolean, - group?: string, - inline?: boolean, - name?: string, - parseDOM?: Array<any>, - toDOM?: (node: any) => DOMOutputSpec, -}; - -// This assumes that every 36pt maps to one indent level. -export const INDENT_MARGIN_PT_SIZE = 36; -export const MIN_INDENT_LEVEL = 0; -export const MAX_INDENT_LEVEL = 7; -export const ATTRIBUTE_INDENT = 'data-indent'; - -export const EMPTY_CSS_VALUE = new Set(['', '0%', '0pt', '0px']); - -const ALIGN_PATTERN = /(left|right|center|justify)/; - -// https://github.com/ProseMirror/prosemirror-schema-basic/blob/master/src/schema-basic.js -// :: NodeSpec A plain paragraph textblock. Represented in the DOM -// as a `<p>` element. -const ParagraphNodeSpec: NodeSpec = { - attrs: { - align: { default: null }, - color: { default: null }, - id: { default: null }, - indent: { default: null }, - inset: { default: null }, - lineSpacing: { default: null }, - // TODO: Add UI to let user edit / clear padding. - paddingBottom: { default: null }, - // TODO: Add UI to let user edit / clear padding. - paddingTop: { default: null }, - }, - content: 'inline*', - group: 'block', - parseDOM: [{ tag: 'p', getAttrs }], - toDOM, -}; - -function getAttrs(dom: HTMLElement): Object { - const { - lineHeight, - textAlign, - marginLeft, - paddingTop, - paddingBottom, - } = dom.style; - - let align = dom.getAttribute('align') || textAlign || ''; - align = ALIGN_PATTERN.test(align) ? align : ""; - - let indent = parseInt(dom.getAttribute(ATTRIBUTE_INDENT) || "", 10); - - if (!indent && marginLeft) { - indent = convertMarginLeftToIndentValue(marginLeft); - } - - indent = indent || MIN_INDENT_LEVEL; - - const lineSpacing = lineHeight ? toCSSLineSpacing(lineHeight) : null; - - const id = dom.getAttribute('id') || ''; - return { align, indent, lineSpacing, paddingTop, paddingBottom, id }; -} - -function toDOM(node: Node): DOMOutputSpec { - const { - align, - indent, - inset, - lineSpacing, - paddingTop, - paddingBottom, - id, - } = node.attrs; - const attrs: { [key: string]: any } | null = {}; - - let style = ''; - if (align && align !== 'left') { - style += `text-align: ${align};`; - } - - if (lineSpacing) { - const cssLineSpacing = toCSSLineSpacing(lineSpacing); - style += - `line-height: ${cssLineSpacing};` + - // This creates the local css variable `--czi-content-line-height` - // that its children may apply. - `--czi-content-line-height: ${cssLineSpacing}`; - } - - if (paddingTop && !EMPTY_CSS_VALUE.has(paddingTop)) { - style += `padding-top: ${paddingTop};`; - } - - if (paddingBottom && !EMPTY_CSS_VALUE.has(paddingBottom)) { - style += `padding-bottom: ${paddingBottom};`; - } - - if (indent) { - style += `text-indent: ${indent}; padding-left: ${indent < 0 ? -indent : undefined};`; - } - - if (inset) { - style += `margin-left: ${inset}; margin-right: ${inset};`; - } - - style && (attrs.style = style); - - if (indent) { - attrs[ATTRIBUTE_INDENT] = String(indent); - } - - if (id) { - attrs.id = id; - } - - return ['p', attrs, 0]; -} - -export const toParagraphDOM = toDOM; -export const getParagraphNodeAttrs = getAttrs; - -export function convertMarginLeftToIndentValue(marginLeft: string): number { - const ptValue = convertToCSSPTValue(marginLeft); - return clamp( - MIN_INDENT_LEVEL, - Math.floor(ptValue / INDENT_MARGIN_PT_SIZE), - MAX_INDENT_LEVEL - ); -} - -export default ParagraphNodeSpec;
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