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implement code-block using container
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,127 +1,29 @@ | ||
| import Delta from 'quill-delta'; | ||
| import Parchment from 'parchment'; | ||
| import Block from '../blots/block'; | ||
| import Inline from '../blots/inline'; | ||
| import TextBlot from '../blots/text'; | ||
| import Container from '../blots/container'; | ||
|
|
||
| class Code extends Inline {} | ||
| Code.blotName = 'code'; | ||
| Code.tagName = 'CODE'; | ||
|
|
||
| class CodeBlock extends Block { | ||
| class CodeBlock extends Block {} | ||
| CodeBlock.blotName = 'code-block'; | ||
| CodeBlock.className = 'ql-code-block'; | ||
| CodeBlock.tagName = 'DIV'; | ||
|
|
||
| class CodeBlockContainer extends Container { | ||
| static create(value) { | ||
| const domNode = super.create(value); | ||
| domNode.setAttribute('spellcheck', false); | ||
| return domNode; | ||
| } | ||
|
|
||
| static formats() { | ||
| return true; | ||
| } | ||
|
|
||
| delta() { | ||
| let text = this.domNode.textContent; | ||
| if (text.endsWith('\n')) { | ||
| // Should always be true | ||
| text = text.slice(0, -1); | ||
| } | ||
| return text.split('\n').reduce((delta, frag) => { | ||
| return delta.insert(frag).insert('\n', this.formats()); | ||
| }, new Delta()); | ||
| } | ||
|
|
||
| format(name, value) { | ||
| if (name === this.statics.blotName && value) return; | ||
| const [text] = this.descendant(TextBlot, this.length() - 1); | ||
| if (text != null) { | ||
| text.deleteAt(text.length() - 1, 1); | ||
| } | ||
| super.format(name, value); | ||
| } | ||
|
|
||
| formatAt(index, length, name, value) { | ||
| if (length === 0) return; | ||
| if ( | ||
| Parchment.query(name, Parchment.Scope.BLOCK) == null || | ||
| (name === this.statics.blotName && | ||
| value === this.statics.formats(this.domNode)) | ||
| ) { | ||
| return; | ||
| } | ||
| const nextNewline = this.newlineIndex(index); | ||
| if (nextNewline < 0 || nextNewline >= index + length) return; | ||
| const prevNewline = this.newlineIndex(index, true) + 1; | ||
| const isolateLength = nextNewline - prevNewline + 1; | ||
| const blot = this.isolate(prevNewline, isolateLength); | ||
| const { next } = blot; | ||
| blot.format(name, value); | ||
| if (next instanceof CodeBlock) { | ||
| next.formatAt( | ||
| 0, | ||
| index - prevNewline + length - isolateLength, | ||
| name, | ||
| value, | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| insertAt(index, value, def) { | ||
| if (def != null) return; | ||
| const [text, offset] = this.descendant(TextBlot, index); | ||
| text.insertAt(offset, value); | ||
| } | ||
|
|
||
| length() { | ||
| const { length } = this.domNode.textContent; | ||
| if (!this.domNode.textContent.endsWith('\n')) { | ||
| return length + 1; | ||
| } | ||
| return length; | ||
| } | ||
|
|
||
| newlineIndex(searchIndex, reverse = false) { | ||
| if (!reverse) { | ||
| const offset = this.domNode.textContent.slice(searchIndex).indexOf('\n'); | ||
| return offset > -1 ? searchIndex + offset : -1; | ||
| } | ||
| return this.domNode.textContent.slice(0, searchIndex).lastIndexOf('\n'); | ||
| } | ||
|
|
||
| optimize(context) { | ||
| if (!this.domNode.textContent.endsWith('\n')) { | ||
| this.appendChild(Parchment.create('text', '\n')); | ||
| } | ||
| super.optimize(context); | ||
| const { next } = this; | ||
| if ( | ||
| next != null && | ||
| next.prev === this && | ||
| next.statics.blotName === this.statics.blotName && | ||
| this.statics.formats(this.domNode) === next.statics.formats(next.domNode) | ||
| ) { | ||
| next.optimize(context); | ||
| next.moveChildren(this); | ||
| next.remove(); | ||
| } | ||
| } | ||
|
|
||
| // TODO no longer a thing | ||
| replace(target) { | ||
| super.replace(target); | ||
| [].slice.call(this.domNode.querySelectorAll('*')).forEach(node => { | ||
| const blot = Parchment.find(node); | ||
| if (blot == null) { | ||
| node.parentNode.removeChild(node); | ||
| } else if (blot instanceof Parchment.Embed) { | ||
| blot.remove(); | ||
| } else { | ||
| blot.unwrap(); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| CodeBlock.blotName = 'code-block'; | ||
| CodeBlock.tagName = 'PRE'; | ||
| CodeBlockContainer.blotName = 'code-block-container'; | ||
| CodeBlockContainer.className = 'ql-code-block-container'; | ||
| CodeBlockContainer.tagName = 'DIV'; | ||
|
|
||
| CodeBlockContainer.allowedChildren = [CodeBlock]; | ||
| CodeBlock.requiredContainer = CodeBlockContainer; | ||
| CodeBlock.TAB = ' '; | ||
|
|
||
| export { Code, CodeBlock as default }; | ||
| export { Code, CodeBlockContainer, CodeBlock as default }; |
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