|
| 1 | +import * as React from 'react' |
| 2 | + |
| 3 | +import { defaultEditorOptions } from './config' |
| 4 | + |
| 5 | +import CodeMirror from 'codemirror'; |
| 6 | +import './languages/log'; |
| 7 | +import './languages/simpleLog'; |
| 8 | +import 'codemirror/lib/codemirror.css' |
| 9 | +import 'codemirror/addon/lint/lint.css' |
| 10 | +import 'codemirror/addon/scroll/simplescrollbars.css' |
| 11 | +import './style.scss' |
| 12 | +import { getLinkMark, getLogMark } from './utils' |
| 13 | + |
| 14 | +require('codemirror/mode/sql/sql') |
| 15 | +require('codemirror/mode/python/python') |
| 16 | +require('codemirror/mode/javascript/javascript') |
| 17 | +require('codemirror/mode/properties/properties') |
| 18 | +require('codemirror/addon/display/placeholder') |
| 19 | +require('codemirror/addon/edit/matchbrackets') |
| 20 | +require('codemirror/addon/scroll/simplescrollbars') |
| 21 | + |
| 22 | +type EditorEventCallback = (prevValue: string, nextValue: string, editorDoc: CodeMirror.Doc) => void; |
| 23 | + |
| 24 | +interface CodeMirrorEditorProps { |
| 25 | + |
| 26 | + value: string; |
| 27 | + /** |
| 28 | + * The cursor position |
| 29 | + */ |
| 30 | + cursor?: CodeMirror.Position; |
| 31 | + /** |
| 32 | + * Whether sync the editor value when props value changed |
| 33 | + */ |
| 34 | + sync?: boolean; |
| 35 | + /** |
| 36 | + * Editor option |
| 37 | + */ |
| 38 | + options?: CodeMirror.EditorConfiguration; |
| 39 | + /** |
| 40 | + * Always show cursor in the end. |
| 41 | + * This option be used when streaming output, such as typing logs. |
| 42 | + */ |
| 43 | + cursorAlwaysInEnd?: boolean; |
| 44 | + editorRef?: (inst: CodeMirror.Editor) => void; |
| 45 | + cursorActivity?: EditorEventCallback; |
| 46 | + onChange?: EditorEventCallback; |
| 47 | + onFocus?: EditorEventCallback; |
| 48 | + focusOut?: EditorEventCallback; |
| 49 | + |
| 50 | + className?: string; |
| 51 | + style?: React.CSSProperties; |
| 52 | + |
| 53 | +} |
| 54 | + |
| 55 | +class CodeMirrorEditor extends React.Component<CodeMirrorEditorProps, any> { |
| 56 | + private _editorRef: HTMLTextAreaElement; |
| 57 | + private _codeMirrorInstance: CodeMirror.Editor; |
| 58 | + |
| 59 | + componentDidMount () { |
| 60 | + const ele = this._editorRef; |
| 61 | + if (!ele) return; |
| 62 | + |
| 63 | + const { |
| 64 | + value, onChange, onFocus, cursor, options, |
| 65 | + focusOut, cursorActivity, editorRef |
| 66 | + } = this.props; |
| 67 | + |
| 68 | + const editorConfig = Object.assign({}, defaultEditorOptions, options); |
| 69 | + |
| 70 | + this._codeMirrorInstance = CodeMirror.fromTextArea(ele, editorConfig); |
| 71 | + const editorIns = this._codeMirrorInstance; |
| 72 | + this.renderTextMark(); |
| 73 | + |
| 74 | + // 设置 cursor 位置 |
| 75 | + if (cursor) editorIns.setCursor(cursor) |
| 76 | + |
| 77 | + editorIns.on('change', (doc: CodeMirror.Doc) => { |
| 78 | + if (onChange) { |
| 79 | + onChange(value, doc.getValue(), doc) |
| 80 | + } |
| 81 | + }) |
| 82 | + editorIns.on('focus', (doc: CodeMirror.Doc) => { |
| 83 | + if (onFocus) { |
| 84 | + onFocus(value, doc.getValue(), doc) |
| 85 | + } |
| 86 | + }) |
| 87 | + |
| 88 | + editorIns.on('blur', (doc: CodeMirror.Doc) => { |
| 89 | + if (focusOut) { |
| 90 | + focusOut(value, doc.getValue(), doc) |
| 91 | + } |
| 92 | + }) |
| 93 | + |
| 94 | + editorIns.on('cursorActivity', (doc: CodeMirror.Doc) => { |
| 95 | + if (cursorActivity) { |
| 96 | + cursorActivity(value, doc.getValue(), doc) |
| 97 | + } |
| 98 | + }) |
| 99 | + if (editorRef) { |
| 100 | + editorRef(editorIns); |
| 101 | + } |
| 102 | + } |
| 103 | + |
| 104 | + static fromTextArea(ele: HTMLTextAreaElement, options: CodeMirror.EditorConfiguration): any { |
| 105 | + throw new Error("Method not implemented."); |
| 106 | + } |
| 107 | + |
| 108 | + // eslint-disable-next-line |
| 109 | + UNSAFE_componentWillReceiveProps(nextProps: any) { |
| 110 | + const editorIns = this._codeMirrorInstance; |
| 111 | + const { value, sync, cursor, cursorAlwaysInEnd, options = {} } = nextProps; |
| 112 | + if (options) { |
| 113 | + editorIns.setOption('readOnly', options.readOnly) |
| 114 | + } |
| 115 | + |
| 116 | + if (this.props.value !== value) { |
| 117 | + if (cursor) editorIns.setCursor(cursor) |
| 118 | + if (sync) { |
| 119 | + |
| 120 | + const scrollInfo = editorIns.getScrollInfo(); |
| 121 | + /** |
| 122 | + * 判断滚动条是不是在底部 |
| 123 | + */ |
| 124 | + const isInBottom = (scrollInfo.top + scrollInfo.clientHeight) - scrollInfo.height > -10; |
| 125 | + console.log(isInBottom); |
| 126 | + if (!value) { |
| 127 | + editorIns.setValue('') |
| 128 | + } else { |
| 129 | + editorIns.setValue(value); |
| 130 | + } |
| 131 | + if (cursorAlwaysInEnd) { |
| 132 | + editorIns.setCursor(editorIns.lineCount()); |
| 133 | + } else if (!isInBottom) { |
| 134 | + /** |
| 135 | + * 不在底部并且不设置自动滚到底部，则滚到原来位置 |
| 136 | + */ |
| 137 | + editorIns.scrollTo(scrollInfo.left, scrollInfo.top) |
| 138 | + } else if (isInBottom) { |
| 139 | + /** |
| 140 | + * 在底部，则自动到底部 |
| 141 | + * 需要等setValue这个动作结束之后，再获取内容的高度。 |
| 142 | + */ |
| 143 | + Promise.resolve().then(() => { |
| 144 | + let nowScrollInfo = editorIns.getScrollInfo(); |
| 145 | + editorIns.scrollTo(nowScrollInfo.left, nowScrollInfo.height) |
| 146 | + }) |
| 147 | + } |
| 148 | + } |
| 149 | + this.renderTextMark(); |
| 150 | + } |
| 151 | + } |
| 152 | + renderTextMark () { |
| 153 | + const editorIns = this._codeMirrorInstance; |
| 154 | + |
| 155 | + const marks = editorIns.getAllMarks(); |
| 156 | + for (let mark of marks) { // 重置marks |
| 157 | + mark.clear(); |
| 158 | + } |
| 159 | + const value = editorIns.getValue(); |
| 160 | + const linkMarks: any = [].concat(getLinkMark(value)).concat(getLogMark(value)); |
| 161 | + for (let _i = 0; _i < linkMarks.length; _i++) { |
| 162 | + let mark = linkMarks[_i]; |
| 163 | + editorIns.markText( |
| 164 | + editorIns.posFromIndex(mark.start), |
| 165 | + editorIns.posFromIndex(mark.end), |
| 166 | + { replacedWith: mark.node } |
| 167 | + ) |
| 168 | + } |
| 169 | + } |
| 170 | + |
| 171 | + render () { |
| 172 | + const { className, style } = this.props |
| 173 | + let renderClass = `code-editor ${className || ''}`; |
| 174 | + let renderStyle: React.CSSProperties = { |
| 175 | + position: 'relative' |
| 176 | + }; |
| 177 | + |
| 178 | + Object.assign(renderStyle, style); |
| 179 | + |
| 180 | + return ( |
| 181 | + <div |
| 182 | + className={renderClass} |
| 183 | + style={renderStyle}> |
| 184 | + <textarea |
| 185 | + ref={(e: HTMLTextAreaElement) => { this._editorRef = e }} |
| 186 | + defaultValue={this.props.value || ''} |
| 187 | + /> |
| 188 | + </div> |
| 189 | + ) |
| 190 | + } |
| 191 | +} |
| 192 | + |
| 193 | +export default CodeMirrorEditor |
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