From 6ec259a0e71174651bae95d4628138bf6fd68742 Mon Sep 17 00:00:00 2001
From: kj_sh604
Date: Sun, 15 Mar 2026 16:19:35 -0400
Subject: refactor: packages/

---
 .../excalidraw/components/PasteChartDialog.tsx     | 136 +++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 packages/excalidraw/components/PasteChartDialog.tsx

(limited to 'packages/excalidraw/components/PasteChartDialog.tsx')

diff --git a/packages/excalidraw/components/PasteChartDialog.tsx b/packages/excalidraw/components/PasteChartDialog.tsx
new file mode 100644
index 0000000..08a5634
--- /dev/null
+++ b/packages/excalidraw/components/PasteChartDialog.tsx
@@ -0,0 +1,136 @@
+import oc from "open-color";
+import React, { useLayoutEffect, useRef, useState } from "react";
+import { trackEvent } from "../analytics";
+import type { ChartElements, Spreadsheet } from "../charts";
+import { renderSpreadsheet } from "../charts";
+import type { ChartType } from "../element/types";
+import { t } from "../i18n";
+import { exportToSvg } from "../scene/export";
+import type { UIAppState } from "../types";
+import { useApp } from "./App";
+import { Dialog } from "./Dialog";
+
+import "./PasteChartDialog.scss";
+
+type OnInsertChart = (chartType: ChartType, elements: ChartElements) => void;
+
+const ChartPreviewBtn = (props: {
+  spreadsheet: Spreadsheet | null;
+  chartType: ChartType;
+  selected: boolean;
+  onClick: OnInsertChart;
+}) => {
+  const previewRef = useRef<HTMLDivElement | null>(null);
+  const [chartElements, setChartElements] = useState<ChartElements | null>(
+    null,
+  );
+
+  useLayoutEffect(() => {
+    if (!props.spreadsheet) {
+      return;
+    }
+
+    const elements = renderSpreadsheet(
+      props.chartType,
+      props.spreadsheet,
+      0,
+      0,
+    );
+    setChartElements(elements);
+    let svg: SVGSVGElement;
+    const previewNode = previewRef.current!;
+
+    (async () => {
+      svg = await exportToSvg(
+        elements,
+        {
+          exportBackground: false,
+          viewBackgroundColor: oc.white,
+        },
+        null, // files
+        {
+          skipInliningFonts: true,
+        },
+      );
+      svg.querySelector(".style-fonts")?.remove();
+      previewNode.replaceChildren();
+      previewNode.appendChild(svg);
+
+      if (props.selected) {
+        (previewNode.parentNode as HTMLDivElement).focus();
+      }
+    })();
+
+    return () => {
+      previewNode.replaceChildren();
+    };
+  }, [props.spreadsheet, props.chartType, props.selected]);
+
+  return (
+    <button
+      type="button"
+      className="ChartPreview"
+      onClick={() => {
+        if (chartElements) {
+          props.onClick(props.chartType, chartElements);
+        }
+      }}
+    >
+      <div ref={previewRef} />
+    </button>
+  );
+};
+
+export const PasteChartDialog = ({
+  setAppState,
+  appState,
+  onClose,
+}: {
+  appState: UIAppState;
+  onClose: () => void;
+  setAppState: React.Component<any, UIAppState>["setState"];
+}) => {
+  const { onInsertElements } = useApp();
+  const handleClose = React.useCallback(() => {
+    if (onClose) {
+      onClose();
+    }
+  }, [onClose]);
+
+  const handleChartClick = (chartType: ChartType, elements: ChartElements) => {
+    onInsertElements(elements);
+    trackEvent("paste", "chart", chartType);
+    setAppState({
+      currentChartType: chartType,
+      pasteDialog: {
+        shown: false,
+        data: null,
+      },
+    });
+  };
+
+  return (
+    <Dialog
+      size="small"
+      onCloseRequest={handleClose}
+      title={t("labels.pasteCharts")}
+      className={"PasteChartDialog"}
+      autofocus={false}
+    >
+      <div className={"container"}>
+        <ChartPreviewBtn
+          chartType="bar"
+          spreadsheet={appState.pasteDialog.data}
+          selected={appState.currentChartType === "bar"}
+          onClick={handleChartClick}
+        />
+        <ChartPreviewBtn
+          chartType="line"
+          spreadsheet={appState.pasteDialog.data}
+          selected={appState.currentChartType === "line"}
+          onClick={handleChartClick}
+        />
+      </div>
+    </Dialog>
+  );
+};
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