load orgchart

package.json

@@ -29,9 +29,11 @@
     "arcgis-js-api": "^4.28.10",
     "axios": "^1.6.7",
     "bma-org-chart": "^0.0.8",
+    "dom-to-image-more": "^3.6.0",
     "esri-loader": "^3.7.0",
     "keycloak-js": "^20.0.2",
     "moment": "^2.29.4",
+    "pdf-lib": "^1.17.1",
     "pinia": "^2.0.29",
     "quasar": "^2.11.1",
     "socket.io-client": "^4.7.4",

src/modules/02_organization/components/StructureMain.vue

@@ -8,6 +8,11 @@ import http from "@/plugins/http";
 import config from "@/app.config";
 import { useCounterMixin } from "@/stores/mixin";
 import { useOrganizational } from "@/modules/02_organization/store/organizational";
+import {
+  showLoadingSpinner,
+  exportChartToPDF,
+  exportChartToPNG,
+} from "@/plugins/exportChart";
 
 const $q = useQuasar();
 const mixin = useCounterMixin();
@@ -23,28 +28,45 @@ const scrollContainer = ref<HTMLElement | null>(null);
 
 /** function ดาวน์โหลดไฟล์โครงสร้าง PNG*/
 async function savePNG() {
-  try {
-    showLoader();
-    await scrollToCenter();
-    await chartRef.value.savePNG();
-  } catch {
-    messageError($q);
-  } finally {
-    hideLoader();
-  }
+  // try {
+  //   showLoader();
+  //   await scrollToCenter();
+  //   await chartRef.value.savePNG();
+  // } catch {
+  //   messageError($q);
+  // } finally {
+  //   hideLoader();
+  // }
+  showLoadingSpinner();
+  setTimeout(async () => {
+    try {
+      // export แบบเต็มๆ
+      scrollContainer.value && (await exportChartToPNG(scrollContainer.value));
+    } finally {
+    }
+  }, 500);
 }
 
 /** function ดาวน์โหลดไฟล์โครงสร้าง PDF*/
 async function savePDF() {
-  try {
-    showLoader();
-    await scrollToCenter();
-    await chartRef.value.savePDF();
-  } catch {
-    messageError($q);
-  } finally {
-    hideLoader();
-  }
+  // try {
+  //   showLoader();
+  //   await scrollToCenter();
+  //   await chartRef.value.savePDF();
+  // } catch {
+  //   messageError($q);
+  // } finally {
+  //   hideLoader();
+  // }
+
+  showLoadingSpinner();
+  setTimeout(async () => {
+    try {
+      // export แบบเต็มๆ
+      scrollContainer.value && (await exportChartToPDF(scrollContainer.value));
+    } finally {
+    }
+  }, 500);
 }
 
 /**

src/plugins/exportChart.ts

@@ -0,0 +1,115 @@
+import domtoimage from "dom-to-image-more";
+import { PDFDocument } from "pdf-lib";
+
+/** ฟังก์ชันสำหรับแสดง loading spinner */
+export function showLoadingSpinner() {
+  const loading = document.createElement("div");
+  loading.id = "loading-spinner";
+  loading.style.position = "fixed";
+  loading.style.top = "0";
+  loading.style.left = "0";
+  loading.style.width = "100vw";
+  loading.style.height = "100vh";
+  loading.style.background = "rgba(0,0,0,0.2)";
+  loading.style.display = "flex";
+  loading.style.alignItems = "center";
+  loading.style.justifyContent = "center";
+  loading.style.zIndex = "9999";
+  loading.innerHTML = `
+    <div style="display:flex;flex-direction:column;align-items:center;">
+      <div style="
+        border: 8px solid #f3f3f3;
+        border-top: 8px solid #3498db;
+        border-radius: 50%;
+        width: 60px;
+        height: 60px;
+        animation: spin 1s linear infinite;
+      "></div>
+     
+    </div>
+    <style>
+      @keyframes spin {
+        0% { transform: rotate(0deg);}
+        100% { transform: rotate(360deg);}
+      }
+    </style>
+  `;
+  document.body.appendChild(loading);
+}
+
+/** ฟังก์ชันสำหรับซ่อน loading spinner */
+function hideLoadingSpinner() {
+  const loading = document.getElementById("loading-spinner");
+  if (loading) loading.remove();
+}
+
+/**
+ * ฟังก์ชันสำหรับ export โครงสร้างองค์กรเป็น PNG
+ * @param node HTMLElement ที่ต้องการ export เป็น PNG
+ */
+export async function exportChartToPNG(node: HTMLElement): Promise<void> {
+  if (node) {
+    try {
+      // สร้าง PNG จาก DOM ขนาดเต็ม
+      const imageData = await domtoimage.toPng(node, {
+        bgcolor: "#fff",
+        quality: 1,
+        width: node.scrollWidth,
+        height: node.scrollHeight,
+      });
+
+      const link = document.createElement("a");
+      link.download = "orgchart.png";
+      link.href = imageData;
+      link.click();
+    } catch (error: any) {
+      alert("Export ไม่สำเร็จ: " + error.message);
+    } finally {
+      hideLoadingSpinner();
+    }
+  }
+}
+
+/**
+ * ฟังก์ชันสำหรับ export โครงสร้างองค์กรเป็น PNG
+ * @param node HTMLElement ที่ต้องการ export เป็น PNG
+ */
+export async function exportChartToPDF(node: HTMLElement): Promise<void> {
+  // ใช้ scrollWidth/scrollHeight เพื่อขนาดเต็ม
+  const width = node.scrollWidth;
+  const height = node.scrollHeight;
+
+  try {
+    // สร้าง PNG จาก DOM ขนาดเต็ม
+    const imageData = await domtoimage.toPng(node, {
+      width,
+      height,
+      bgcolor: "#fff",
+    });
+    // สร้าง PDF ด้วย pdf-lib
+    const pdfDoc = await PDFDocument.create();
+    const page = pdfDoc.addPage([width, height]);
+    const pngImage = await pdfDoc.embedPng(imageData);
+    page.drawImage(pngImage, {
+      x: 0,
+      y: 0,
+      width,
+      height,
+    });
+    const pdfBytes = await pdfDoc.save();
+    // ดาวน์โหลด PDF
+    const blob = new Blob([pdfBytes], { type: "application/pdf" });
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = "orgchart.pdf";
+    a.click();
+    URL.revokeObjectURL(url);
+  } catch (err: any) {
+    alert("Export ไม่สำเร็จ: " + err.message);
+
+    console.error(err);
+  } finally {
+    hideLoadingSpinner();
+  }
+}

src/types/dom-to-image-more.d.ts

@@ -0,0 +1,36 @@
+declare module "dom-to-image-more" {
+  export interface Options {
+    filter?: (node: Node) => boolean;
+    bgcolor?: string;
+    width?: number;
+    height?: number;
+    style?: any;
+    quality?: number;
+    imagePlaceholder?: string;
+    cacheBust?: boolean;
+  }
+
+  export function toPng(node: HTMLElement, options?: Options): Promise<string>;
+  export function toJpeg(node: HTMLElement, options?: Options): Promise<string>;
+  export function toSvg(node: HTMLElement, options?: Options): Promise<string>;
+  export function toPixelData(
+    node: HTMLElement,
+    options?: Options
+  ): Promise<Uint8ClampedArray>;
+  export function toCanvas(
+    node: HTMLElement,
+    options?: Options
+  ): Promise<HTMLCanvasElement>;
+  export function toBlob(node: HTMLElement, options?: Options): Promise<Blob>;
+
+  const domtoimage: {
+    toPng: typeof toPng;
+    toJpeg: typeof toJpeg;
+    toSvg: typeof toSvg;
+    toPixelData: typeof toPixelData;
+    toCanvas: typeof toCanvas;
+    toBlob: typeof toBlob;
+  };
+
+  export default domtoimage;
+}