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@ -26,7 +26,7 @@ interface HistoryProviderProps {
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onHistoryChange: (nodes: Node[], edges: Edge[]) => void;
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onHistoryChange: (nodes: Node[], edges: Edge[]) => void;
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}
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}
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export const HistoryProvider: React.FC<HistoryProviderProps> = ({
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const HistoryProvider: React.FC<HistoryProviderProps> = ({
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children,
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children,
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initialNodes,
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initialNodes,
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initialEdges,
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initialEdges,
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@ -45,7 +45,10 @@ export const HistoryProvider: React.FC<HistoryProviderProps> = ({
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});
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});
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// 检查两个状态是否相等
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// 检查两个状态是否相等
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const isSameState = useCallback((state1: { nodes: Node[]; edges: Edge[] }, state2: { nodes: Node[]; edges: Edge[] }) => {
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const isSameState = useCallback((state1: { nodes: Node[]; edges: Edge[] }, state2: {
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nodes: Node[];
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edges: Edge[]
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}) => {
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// 只比较节点和边的关键属性,忽略拖动过程中的临时状态
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// 只比较节点和边的关键属性,忽略拖动过程中的临时状态
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if (state1.nodes.length !== state2.nodes.length || state1.edges.length !== state2.edges.length) {
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if (state1.nodes.length !== state2.nodes.length || state1.edges.length !== state2.edges.length) {
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return false;
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return false;
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@ -170,3 +173,5 @@ export const HistoryProvider: React.FC<HistoryProviderProps> = ({
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</HistoryContext.Provider>
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</HistoryContext.Provider>
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);
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);
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};
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};
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export default HistoryProvider;
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