Add PDF export

geneit_app/src/routes/family/FamilyMemberTreeRoute.tsx

@@ -158,11 +158,7 @@ export function FamilyMemberTreeRoute(): React.ReactElement {
         {currTab === CurrTab.BasicTree ? (
           <BasicFamilyTree tree={tree!} depth={currDepth} />
         ) : currTab === CurrTab.SimpleTree ? (
-          <SimpleFamilyTree
-            tree={tree!}
-            isUp={currMode === TreeMode.Ascending}
-            depth={currDepth}
-          />
+          <SimpleFamilyTree tree={tree!} depth={currDepth} />
         ) : (
           <ComplexFamilyTree
             tree={tree!}

geneit_app/src/widgets/simple_family_tree/SimpleFamilyTree.tsx

@@ -1,9 +1,18 @@
+import { mdiXml } from "@mdi/js";
+import Icon from "@mdi/react";
+import PictureAsPdfIcon from "@mui/icons-material/PictureAsPdf";
+import { IconButton, Tooltip } from "@mui/material";
+import jsPDF from "jspdf";
 import React from "react";
+import { TransformComponent, TransformWrapper } from "react-zoom-pan-pinch";
 import { Couple } from "../../api/CoupleApi";
 import { Member } from "../../api/MemberApi";
+import { useDarkTheme } from "../../hooks/context_providers/DarkThemeProvider";
 import { FamilyTreeNode } from "../../utils/family_tree";
+import { downloadBlob } from "../../utils/files_utils";
 import { getTextWidth } from "../../utils/render_utils";
-import { TransformComponent, TransformWrapper } from "react-zoom-pan-pinch";
+import "./simpletree.css";
+import "./Roboto-normal";
 
 const FACE_WIDTH = 60;
 const FACE_HEIGHT = 70;
@@ -76,7 +85,7 @@ function center(container_width: number, el_width: number): number {
   return Math.floor((container_width - el_width) / 2);
 }
 
-function buildSimpleDownTreeNode(
+function buildSimpleTreeNode(
   tree: FamilyTreeNode,
   depth: number
 ): SimpleTreeNode {
@@ -94,8 +103,7 @@ function buildSimpleDownTreeNode(
 
   const node: SimpleTreeNode = {
     down:
-      childrenToProcess?.map((c) => buildSimpleDownTreeNode(c, depth - 1)) ??
-      [],
+      childrenToProcess?.map((c) => buildSimpleTreeNode(c, depth - 1)) ?? [],
     member: tree.member,
     spouse: lastCouple
       ? {
@@ -131,23 +139,6 @@ function buildSimpleDownTreeNode(
   return node;
 }
 
-// TODO : if useless, remove and merge up and down techniques
-function buildSimpleUpTreeNode(
-  tree: FamilyTreeNode,
-  depth: number
-): SimpleTreeNode {
-  /*if (depth === 0) throw new Error("Too much recursion reached!");
-
-  return {
-    member: tree.member,
-    children:
-      depth === 1
-        ? []
-        : tree.down?.map((c) => buildSimpleUpTreeNode(c, depth - 1)) ?? [],
-  };*/
-  return buildSimpleDownTreeNode(tree, depth);
-}
-
 /**
  * Simple family tree
  *
@@ -156,33 +147,88 @@ function buildSimpleUpTreeNode(
 
 export function SimpleFamilyTree(p: {
   tree: FamilyTreeNode;
-  isUp: boolean;
   depth: number;
 }): React.ReactElement {
+  const darkTheme = useDarkTheme();
+
   const tree = React.useMemo(
-    () =>
-      p.isUp
-        ? buildSimpleUpTreeNode(p.tree, p.depth)
-        : buildSimpleDownTreeNode(p.tree, p.depth),
-    [p.tree, p.isUp, p.depth]
+    () => buildSimpleTreeNode(p.tree, p.depth),
+    [p.tree, p.depth]
   );
 
   const height = p.depth * (CARD_HEIGHT + LEVEL_SPACING) - LEVEL_SPACING;
 
   console.info(`tree width=${tree.width} height=${height}`);
 
+  const doExport = async (onlySVG: boolean) => {
+    const el = document.querySelector(".simpletree")!;
+    const svg = el.outerHTML;
+
+    // Download in SVG format
+    if (onlySVG) {
+      const blob = new Blob([svg], {
+        type: "image/svg+xml",
+      });
+
+      downloadBlob(blob, "ArbreGenealogique.svg");
+
+      return;
+    }
+
+    const PDF_MARGIN = 10;
+
+    // Download in PDF format
+    const doc = new jsPDF({
+      orientation: "l",
+      format: [height + PDF_MARGIN * 2, tree.width + PDF_MARGIN * 2],
+    });
+
+    doc.setFont("Roboto", "normal");
+
+    await doc.svg(el, {
+      x: PDF_MARGIN,
+      y: PDF_MARGIN,
+      height: height,
+      width: tree.width,
+    });
+
+    // Save the created pdf
+    doc.save("ArbreGenealogique.pdf");
+  };
+
+  const exportPDF = () => doExport(false);
+
+  const exportSVG = () => doExport(true);
+
   return (
-    <TransformWrapper maxScale={15} minScale={0.2}>
-      <TransformComponent wrapperStyle={{ width: "100%", flex: "1" }}>
-        <svg
-          width={tree.width}
-          height={height}
-          xmlns="http://www.w3.org/2000/svg"
-        >
-          <NodeArea node={tree} x={0} y={0} />
-        </svg>
-      </TransformComponent>
-    </TransformWrapper>
+    <div>
+      <div style={{ textAlign: "right" }}>
+        <Tooltip title="Exporter le graphique au format PDF">
+          <IconButton onClick={exportPDF}>
+            <PictureAsPdfIcon />
+          </IconButton>
+        </Tooltip>
+        <Tooltip title="Exporter le graphique au format SVG">
+          <IconButton onClick={exportSVG}>
+            <Icon path={mdiXml} size={1} />
+          </IconButton>
+        </Tooltip>
+      </div>
+      <TransformWrapper maxScale={15} minScale={0.2}>
+        <TransformComponent wrapperStyle={{ width: "100%", flex: "1" }}>
+          <svg
+            className={`simpletree ${
+              darkTheme.enabled ? "simpletree-dark" : ""
+            }`}
+            width={tree.width}
+            height={height}
+            xmlns="http://www.w3.org/2000/svg"
+          >
+            <NodeArea node={tree} x={0} y={0} />
+          </svg>
+        </TransformComponent>
+      </TransformWrapper>
+    </div>
   );
 }
 

geneit_app/src/widgets/simple_family_tree/simpletree.css

@@ -0,0 +1,7 @@
+.simpletree-dark path {
+  stroke: white;
+}
+
+.simpletree-dark tspan {
+  fill: white;
+}