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| 1 | +import { useCallback, useEffect, useLayoutEffect, useRef } from 'react'; |
| 2 | +import ResizeObserver from 'resize-observer-polyfill'; |
| 3 | + |
| 4 | +import { ICodeEditor, IDiffEditor } from '@opensumi/ide-monaco'; |
| 5 | + |
| 6 | +export interface Size { |
| 7 | + width?: number; |
| 8 | + height?: number; |
| 9 | +} |
| 10 | + |
| 11 | +function useLatest<T>(value: T) { |
| 12 | + const ref = useRef(value); |
| 13 | + ref.current = value; |
| 14 | + |
| 15 | + return ref; |
| 16 | +} |
| 17 | + |
| 18 | +export default useLatest; |
| 19 | +export function useSize(fn: () => void, ref: React.ForwardedRef<HTMLDivElement>): void { |
| 20 | + // eslint-disable-next-line @typescript-eslint/no-unused-vars |
| 21 | + const callback = useLatest((size: Size) => { |
| 22 | + fn(); |
| 23 | + }); |
| 24 | + useLayoutEffect(() => { |
| 25 | + if (typeof ref !== 'object') { |
| 26 | + return () => {}; |
| 27 | + } |
| 28 | + const el = ref?.current; |
| 29 | + if (!el || !fn) { |
| 30 | + return () => {}; |
| 31 | + } |
| 32 | + const resizeObserver = new ResizeObserver((entries) => { |
| 33 | + entries.forEach((entry) => { |
| 34 | + callback.current({ |
| 35 | + width: entry.target.clientWidth, |
| 36 | + height: entry.target.clientHeight, |
| 37 | + }); |
| 38 | + }); |
| 39 | + }); |
| 40 | + |
| 41 | + resizeObserver.observe(el as HTMLElement); |
| 42 | + return () => { |
| 43 | + resizeObserver.disconnect(); |
| 44 | + }; |
| 45 | + }, [callback, ref, fn]); |
| 46 | +} |
| 47 | + |
| 48 | +const setEditorHeight = ( |
| 49 | + editor: ICodeEditor | undefined, |
| 50 | + editorTarget: HTMLDivElement, |
| 51 | + editorContainer: HTMLDivElement, |
| 52 | +) => { |
| 53 | + if (!editor) { |
| 54 | + return; |
| 55 | + } |
| 56 | + const curLenght = editor.getModel()?.getLineCount() || 1; |
| 57 | + const diffItemHeight = `${curLenght * 20 + 16 + 12 + 22}px`; |
| 58 | + const _height = `${curLenght * 20}px`; |
| 59 | + if (editorTarget.style.height !== _height) { |
| 60 | + editorTarget.style.height = _height; |
| 61 | + editorContainer.style.height = diffItemHeight; |
| 62 | + editor.layout(); |
| 63 | + } |
| 64 | +}; |
| 65 | + |
| 66 | +const setDiffEditorHeight = ( |
| 67 | + editor: IDiffEditor | undefined, |
| 68 | + editorTarget: HTMLDivElement, |
| 69 | + editorContainer: HTMLDivElement, |
| 70 | +) => { |
| 71 | + const originalLineCount = editor?.getModel()?.original.getLineCount() || 0; |
| 72 | + |
| 73 | + editor?.onDidUpdateDiff(() => { |
| 74 | + let finalLineCount = originalLineCount; |
| 75 | + for (const change of editor?.getLineChanges() || []) { |
| 76 | + if (!change.originalEndLineNumber) { |
| 77 | + finalLineCount += change.modifiedEndLineNumber - change.modifiedStartLineNumber + 1; |
| 78 | + } else if ( |
| 79 | + change.originalStartLineNumber === change.modifiedStartLineNumber && |
| 80 | + change.modifiedEndLineNumber > change.originalEndLineNumber |
| 81 | + ) { |
| 82 | + finalLineCount += change.modifiedEndLineNumber - change.originalEndLineNumber; |
| 83 | + } |
| 84 | + } |
| 85 | + editorTarget.style.height = `${finalLineCount * 20 + 12}px`; |
| 86 | + editorContainer.style.height = `${finalLineCount * 20 + 16 + 12 + 22}px`; |
| 87 | + editor.layout(); |
| 88 | + }); |
| 89 | +}; |
| 90 | + |
| 91 | +export function useEditorLayout( |
| 92 | + editor: ICodeEditor | IDiffEditor | undefined, |
| 93 | + editorTargetRef: React.RefObject<HTMLDivElement>, |
| 94 | + editorContainerRef: React.RefObject<HTMLDivElement>, |
| 95 | +) { |
| 96 | + const editorTarget = editorTargetRef.current; |
| 97 | + const editorContainer = editorContainerRef.current; |
| 98 | + |
| 99 | + const editorLaylout = useCallback(() => { |
| 100 | + if (editor) { |
| 101 | + editor.layout(); |
| 102 | + } |
| 103 | + }, [editor]); |
| 104 | + |
| 105 | + useEffect(() => { |
| 106 | + if (editor) { |
| 107 | + if (!editorTarget || !editorContainer) { |
| 108 | + return; |
| 109 | + } |
| 110 | + if ((editor as IDiffEditor).renderSideBySide !== undefined) { |
| 111 | + setDiffEditorHeight(editor as IDiffEditor, editorTarget, editorContainer); |
| 112 | + } else { |
| 113 | + setEditorHeight(editor as ICodeEditor, editorTarget, editorContainer); |
| 114 | + } |
| 115 | + } |
| 116 | + window.addEventListener('resize', editorLaylout); |
| 117 | + return () => { |
| 118 | + window.removeEventListener('resize', editorLaylout); |
| 119 | + }; |
| 120 | + }, [editor, editorLaylout]); |
| 121 | + |
| 122 | + useSize(editorLaylout, editorContainerRef); |
| 123 | +} |
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