GeneIT/geneit_app/src/widgets/simple_family_tree/SimpleFamilyTree.tsx
2023-08-31 20:36:33 +02:00

464 lines
12 KiB
TypeScript

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 "./simpletree.css";
import "./Roboto-normal";
const FACE_WIDTH = 60;
const FACE_HEIGHT = 70;
/**
* Vertical space between faces and text
*/
const FACE_TEXT_SPACING = 2;
/**
* Cards height
*/
const CARD_HEIGHT = 114;
/**
* Space between spouse cards
*/
const SPOUSE_SPACING = 10;
/**
* Space between two siblings hierachy
*/
const SIBLINGS_SPACING = 15;
/**
* Vertical space between two generations
*/
const LEVEL_SPACING = 25;
const NAME_FONT = "13px Roboto";
const BIRTH_FONT = "10px Roboto";
interface SimpleTreeSpouseInfo {
member: Member;
couple: Couple;
}
interface SimpleTreeNode {
member: Member;
spouse?: SimpleTreeSpouseInfo;
down: SimpleTreeNode[];
/**
* The width of the parent and its children
*/
width: number;
/**
* The width of the parents
*/
parentWidth: number;
/**
* The sum of the width of the children
*/
childrenWidth: number;
}
/**
* Get the width of a member card
*/
function memberCardWidth(m?: Member): number {
if (!m) return 0;
const firstNameWidth = getTextWidth(m.first_name ?? "", NAME_FONT);
const lastNameWidth = getTextWidth(m.lastNameUpperCase ?? "", NAME_FONT);
const birthDeathWidth = getTextWidth(m.displayBirthDeath, BIRTH_FONT);
return Math.max(FACE_WIDTH, firstNameWidth, lastNameWidth, birthDeathWidth);
}
function center(container_width: number, el_width: number): number {
return Math.floor((container_width - el_width) / 2);
}
function buildSimpleTreeNode(
tree: FamilyTreeNode,
depth: number
): SimpleTreeNode {
if (depth === 0) throw new Error("Too much recursion reached!");
const lastCouple = tree.couples?.[tree.couples?.length - 1 ?? 0];
// Preprocess children
let childrenToProcess = tree.down;
if (depth > 1)
tree.couples?.forEach(
(c) => (childrenToProcess = childrenToProcess?.concat(c.down))
);
else childrenToProcess = [];
const node: SimpleTreeNode = {
down:
childrenToProcess?.map((c) => buildSimpleTreeNode(c, depth - 1)) ?? [],
member: tree.member,
spouse: lastCouple
? {
couple: lastCouple.couple,
member: lastCouple.member,
}
: undefined,
parentWidth: -1,
childrenWidth: -1,
width: -1,
};
// Compute current level width
let levelWidth: number;
if (node.spouse) {
levelWidth =
SPOUSE_SPACING +
memberCardWidth(node.member) +
memberCardWidth(node.spouse.member);
} else {
levelWidth = memberCardWidth(node.member);
}
// Compute down level width
const downWidth =
SIBLINGS_SPACING * node.down.length -
SIBLINGS_SPACING +
node.down.reduce((prev, n) => prev + n.width, 0);
node.parentWidth = levelWidth;
node.childrenWidth = downWidth;
node.width = Math.max(levelWidth, downWidth);
return node;
}
/**
* Simple family tree
*
* Only one couple can be shown in this version
*/
export function SimpleFamilyTree(p: {
tree: FamilyTreeNode;
depth: number;
}): React.ReactElement {
const darkTheme = useDarkTheme();
const tree = React.useMemo(
() => 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: HTMLElement = 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;
const PDF_MAX_SIZE = 14400 - PDF_MARGIN * 2;
const tree_width = Math.min(tree.width, PDF_MAX_SIZE);
const tree_height = Math.min(height, PDF_MAX_SIZE);
console.info(`pdf tree w=${tree_width} h=${tree_height}`);
// Download in PDF format
const doc = new jsPDF({
orientation: "l",
unit: "px",
format: [tree_height + PDF_MARGIN * 2, tree_width + PDF_MARGIN * 2],
});
doc.setFont("Roboto", "normal");
await doc.svg(el, {
x: PDF_MARGIN,
y: PDF_MARGIN,
height: tree_height,
width: tree_width,
});
// Save the created pdf
doc.save("ArbreGenealogique.pdf");
};
const exportPDF = () => doExport(false);
const exportSVG = () => doExport(true);
return (
<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>
);
}
function NodeArea(p: {
x: number;
y: number;
childrenLinkDestX?: number;
childrenLinkDestY?: number;
node: SimpleTreeNode;
}): React.ReactElement {
let parent_x_offset: number;
let pers1 = p.node.member;
let pers2 = p.node.spouse?.member;
let didSwap = false;
// Show male of the left (all the time)
if (pers2?.sex === "M") {
let s = pers1;
pers1 = pers2;
pers2 = s;
didSwap = true;
}
parent_x_offset = p.x + center(p.node.width, p.node.parentWidth);
let unusedChildrenWidth = p.node.width - p.node.childrenWidth;
let downXOffset = p.x + Math.floor(unusedChildrenWidth / 2);
let endFirstFaceX =
parent_x_offset +
Math.floor((memberCardWidth(pers1) - FACE_WIDTH) / 2) +
FACE_WIDTH;
let beginingOfSecondCardX =
parent_x_offset + p.node.parentWidth - memberCardWidth(pers2);
let beginSecondFaceX =
p.node.spouse &&
beginingOfSecondCardX + (memberCardWidth(pers2) - FACE_WIDTH) / 2;
let middleParentFaceY = p.y + Math.floor(FACE_HEIGHT / 2);
// Compute points for link between children and parent
let parentLinkX = didSwap
? beginSecondFaceX! + Math.floor(FACE_WIDTH / 2)
: parent_x_offset + Math.floor(memberCardWidth(pers1) / 2);
let parentLinkY = p.y;
// Remove ugly little shifts
if (Math.abs(parentLinkX - (p.childrenLinkDestX ?? 0)) < 10)
parentLinkX = p.childrenLinkDestX!;
let childrenLinkX: number;
let childrenLinkY: number;
// If the father is the father of all the children, while the
// mother is not the mother of any of the children
if (
pers2 &&
p.node.down.every(
(n) => n.member.father === pers1.id && n.member.mother !== pers2!.id
)
) {
childrenLinkX = parent_x_offset + Math.floor(memberCardWidth(pers1) / 2);
childrenLinkY = p.y + CARD_HEIGHT + 2;
}
// If the mother is the mother of all the children, while the
// father is not the father of any of the children
else if (
pers2 &&
p.node.down.every(
(n) => n.member.father !== pers1.id && n.member.mother === pers2!.id
)
) {
childrenLinkX = beginSecondFaceX! + Math.floor(memberCardWidth(pers2) / 2);
childrenLinkY = p.y + CARD_HEIGHT + 2;
}
// Normal couple
else if (p.node.spouse) {
childrenLinkX = Math.floor((endFirstFaceX + beginSecondFaceX!) / 2);
childrenLinkY = middleParentFaceY;
}
// Single person
else {
childrenLinkX = parent_x_offset + Math.floor(memberCardWidth(pers1) / 2);
childrenLinkY = p.y + CARD_HEIGHT + 2;
}
return (
<>
{/* Parent link */}
{p.childrenLinkDestX && (
<path
className="link"
fill="none"
stroke="#000"
d={`M${p.childrenLinkDestX} ${p.childrenLinkDestY} V ${
parentLinkY - Math.floor(LEVEL_SPACING / 2)
} H${parentLinkX} V${parentLinkY}`}
></path>
)}
<MemberCard x={parent_x_offset} y={p.y} member={pers1} />
{p.node.spouse && (
<>
{/* Couple link */}
<path
className="link"
fill="none"
stroke="#000"
d={`M${endFirstFaceX} ${middleParentFaceY} H ${beginSecondFaceX}`}
></path>
<MemberCard x={beginingOfSecondCardX} y={p.y} member={pers2!} />
</>
)}
{p.node.down.map((n) => {
const el = (
<NodeArea
x={downXOffset}
y={p.y + CARD_HEIGHT + LEVEL_SPACING}
childrenLinkDestX={childrenLinkX}
childrenLinkDestY={childrenLinkY}
node={n}
/>
);
downXOffset += n.width + SIBLINGS_SPACING;
return el;
})}
{/*<circle cx={childrenLinkX} cy={childrenLinkY} r="2" fill="red" />
<circle cx={parentLinkX} cy={parentLinkY} r="2" fill="green" />*/}
</>
);
}
function MemberCard(p: {
x: number;
y: number;
member: Member;
}): React.ReactElement {
const w = memberCardWidth(p.member);
return (
<g transform={`translate(${p.x} ${p.y})`} width={w} height={CARD_HEIGHT}>
{/* Member image */}
{p.member.hasPhoto ? (
<image
x={center(w, FACE_WIDTH)}
href={p.member.thumbnailURL!}
height={FACE_HEIGHT}
width={FACE_WIDTH}
preserveAspectRatio="xMidYMin slice"
></image>
) : (
<GenderlessIcon
x={center(w, FACE_WIDTH)}
width={FACE_WIDTH}
height={FACE_HEIGHT}
/>
)}
{/* Member text */}
<text y={FACE_HEIGHT + FACE_TEXT_SPACING}>
<tspan
x={center(w, getTextWidth(p.member.first_name ?? "", NAME_FONT))}
dy="14"
font-size="13"
fontFamily="Roboto"
>
{p.member.first_name ?? ""}
</tspan>
<tspan
x={center(
w,
getTextWidth(p.member.lastNameUpperCase ?? "", NAME_FONT)
)}
dy="14"
font-size="13"
fontFamily="Roboto"
>
{p.member.lastNameUpperCase ?? ""}
</tspan>
<tspan
x={center(
w,
getTextWidth(p.member.displayBirthDeathShort, BIRTH_FONT)
)}
dy="14"
font-size="10"
fontFamily="Roboto"
>
{p.member.displayBirthDeathShort}
</tspan>
</text>
</g>
);
}
function GenderlessIcon(p: {
x?: number;
width: number;
height: number;
}): React.ReactElement {
return (
<g transform={`translate(${p.x ?? 0} 0)`}>
<rect height={p.height} width={p.width} fill="rgb(59, 85, 96)" />
<g transform={`scale(${p.width * 0.001616})`}>
<path
transform="translate(50,40)"
fill="lightgrey"
d="M256 288c79.5 0 144-64.5 144-144S335.5 0 256 0 112
64.5 112 144s64.5 144 144 144zm128 32h-55.1c-22.2 10.2-46.9 16-72.9 16s-50.6-5.8-72.9-16H128C57.3 320 0 377.3
0 448v16c0 26.5 21.5 48 48 48h416c26.5 0 48-21.5 48-48v-16c0-70.7-57.3-128-128-128z"
/>
</g>
</g>
);
}