Preserve QPowerPoint subtitle lists in PPTX

src/io/powerPointOffice.test.ts

@@ -173,6 +173,86 @@ describe("powerPointOffice helpers", () => {
     expect(imported.slides[0].subtitle).toBe("Plan\nBuild\nShip");
   });
 
+  it("импортирует маркированные и нумерованные списки подзаголовка PPTX", async () => {
+    const bulletZip = new JSZip();
+    bulletZip.file(
+      "ppt/presentation.xml",
+      `<p:presentation xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><p:sldIdLst><p:sldId id="256" r:id="rId1"/></p:sldIdLst></p:presentation>`
+    );
+    bulletZip.file(
+      "ppt/_rels/presentation.xml.rels",
+      `<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide" Target="slides/slide1.xml"/></Relationships>`
+    );
+    bulletZip.file("ppt/slides/slide1.xml", slideXmlWithListSubtitle("План", ["Собрать требования", "Проверить импорт"], "bullet"));
+
+    const bulletBlob = await bulletZip.generateAsync({
+      type: "blob",
+      mimeType: "application/vnd.openxmlformats-officedocument.presentationml.presentation"
+    });
+    const importedBullet = await importPptxFile(new File([bulletBlob], "Маркированный.pptx", { type: bulletBlob.type }));
+
+    expect(importedBullet.slides[0].subtitle).toBe("Собрать требования\nПроверить импорт");
+    expect(importedBullet.slides[0].subtitleListStyle).toBe("bullet");
+
+    const numberZip = new JSZip();
+    numberZip.file(
+      "ppt/presentation.xml",
+      `<p:presentation xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><p:sldIdLst><p:sldId id="256" r:id="rId1"/></p:sldIdLst></p:presentation>`
+    );
+    numberZip.file(
+      "ppt/_rels/presentation.xml.rels",
+      `<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide" Target="slides/slide1.xml"/></Relationships>`
+    );
+    numberZip.file("ppt/slides/slide1.xml", slideXmlWithListSubtitle("План", ["Шаг один", "Шаг два"], "number"));
+
+    const numberBlob = await numberZip.generateAsync({
+      type: "blob",
+      mimeType: "application/vnd.openxmlformats-officedocument.presentationml.presentation"
+    });
+    const importedNumber = await importPptxFile(new File([numberBlob], "Нумерованный.pptx", { type: numberBlob.type }));
+
+    expect(importedNumber.slides[0].subtitle).toBe("Шаг один\nШаг два");
+    expect(importedNumber.slides[0].subtitleListStyle).toBe("number");
+  });
+
+  it("экспортирует списки подзаголовка PPTX как OOXML bullets", async () => {
+    const bulletBlob = await exportPptxBlob({
+      title: "Маркированный.pptx",
+      slides: [
+        {
+          id: "slide-1",
+          title: "План",
+          subtitle: "Собрать требования\nПроверить импорт",
+          subtitleListStyle: "bullet",
+          notes: "",
+          theme: "classic"
+        }
+      ]
+    });
+    const bulletZip = await JSZip.loadAsync(await bulletBlob.arrayBuffer());
+    const bulletSlideXml = (await bulletZip.file("ppt/slides/slide1.xml")?.async("string")) ?? "";
+
+    expect(bulletSlideXml).toContain("<a:buChar");
+
+    const numberBlob = await exportPptxBlob({
+      title: "Нумерованный.pptx",
+      slides: [
+        {
+          id: "slide-1",
+          title: "План",
+          subtitle: "Шаг один\nШаг два",
+          subtitleListStyle: "number",
+          notes: "",
+          theme: "classic"
+        }
+      ]
+    });
+    const numberZip = await JSZip.loadAsync(await numberBlob.arrayBuffer());
+    const numberSlideXml = (await numberZip.file("ppt/slides/slide1.xml")?.async("string")) ?? "";
+
+    expect(numberSlideXml).toContain("<a:buAutoNum");
+  });
+
   it("импортирует изображения слайда из PPTX media relationships", async () => {
     const zip = new JSZip();
     zip.file(
@@ -486,6 +566,14 @@ function slideXmlWithManualBreakSubtitle(title: string, subtitleLines: string[])
     .join("")}</a:p></p:txBody></p:sp></p:spTree></p:cSld></p:sld>`;
 }
 
+function slideXmlWithListSubtitle(title: string, subtitleLines: string[], listStyle: "bullet" | "number") {
+  const paragraphProperties =
+    listStyle === "number" ? '<a:pPr><a:buAutoNum type="arabicPeriod"/></a:pPr>' : '<a:pPr><a:buChar char="•"/></a:pPr>';
+  return `<p:sld xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main"><p:cSld><p:spTree><p:sp><p:txBody><a:p><a:r><a:t>${title}</a:t></a:r></a:p></p:txBody></p:sp><p:sp><p:txBody>${subtitleLines
+    .map((text) => `<a:p>${paragraphProperties}<a:r><a:t>${text}</a:t></a:r></a:p>`)
+    .join("")}</p:txBody></p:sp></p:spTree></p:cSld></p:sld>`;
+}
+
 function slideXmlWithPicture(title: string) {
   return `<p:sld xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><p:cSld><p:spTree><p:sp><p:txBody><a:p><a:r><a:t>${title}</a:t></a:r></a:p></p:txBody></p:sp><p:pic><p:nvPicPr><p:cNvPr id="4" name="Picture 1" descr="Логотип"/></p:nvPicPr><p:blipFill><a:blip r:embed="rIdImage"/></p:blipFill><p:spPr><a:xfrm><a:off x="914400" y="1828800"/><a:ext cx="2743200" cy="1371600"/></a:xfrm></p:spPr></p:pic></p:spTree></p:cSld></p:sld>`;
 }