packages/mermaid/src/diagrams/sequence/svgDraw.js
import common, { calculateMathMLDimensions, hasKatex, renderKatex } from '../common/common.js';
import * as svgDrawCommon from '../common/svgDrawCommon.js';
import { addFunction } from '../../interactionDb.js';
import { ZERO_WIDTH_SPACE, parseFontSize } from '../../utils.js';
import { sanitizeUrl } from '@braintree/sanitize-url';
import * as configApi from '../../config.js';
export const ACTOR_TYPE_WIDTH = 18 * 2;
const TOP_ACTOR_CLASS = 'actor-top';
const BOTTOM_ACTOR_CLASS = 'actor-bottom';
export const drawRect = function (elem, rectData) {
return svgDrawCommon.drawRect(elem, rectData);
};
export const drawPopup = function (elem, actor, minMenuWidth, textAttrs, forceMenus) {
if (actor.links === undefined || actor.links === null || Object.keys(actor.links).length === 0) {
return { height: 0, width: 0 };
}
const links = actor.links;
const actorCnt = actor.actorCnt;
const rectData = actor.rectData;
var displayValue = 'none';
if (forceMenus) {
displayValue = 'block !important';
}
const g = elem.append('g');
g.attr('id', 'actor' + actorCnt + '_popup');
g.attr('class', 'actorPopupMenu');
g.attr('display', displayValue);
var actorClass = '';
if (rectData.class !== undefined) {
actorClass = ' ' + rectData.class;
}
let menuWidth = rectData.width > minMenuWidth ? rectData.width : minMenuWidth;
const rectElem = g.append('rect');
rectElem.attr('class', 'actorPopupMenuPanel' + actorClass);
rectElem.attr('x', rectData.x);
rectElem.attr('y', rectData.height);
rectElem.attr('fill', rectData.fill);
rectElem.attr('stroke', rectData.stroke);
rectElem.attr('width', menuWidth);
rectElem.attr('height', rectData.height);
rectElem.attr('rx', rectData.rx);
rectElem.attr('ry', rectData.ry);
if (links != null) {
var linkY = 20;
for (let key in links) {
var linkElem = g.append('a');
var sanitizedLink = sanitizeUrl(links[key]);
linkElem.attr('xlink:href', sanitizedLink);
linkElem.attr('target', '_blank');
_drawMenuItemTextCandidateFunc(textAttrs)(
key,
linkElem,
rectData.x + 10,
rectData.height + linkY,
menuWidth,
20,
{ class: 'actor' },
textAttrs
);
linkY += 30;
}
}
rectElem.attr('height', linkY);
return { height: rectData.height + linkY, width: menuWidth };
};
const popupMenuToggle = function (popId) {
return (
"var pu = document.getElementById('" +
popId +
"'); if (pu != null) { pu.style.display = pu.style.display == 'block' ? 'none' : 'block'; }"
);
};
export const drawKatex = async function (elem, textData, msgModel = null) {
let textElem = elem.append('foreignObject');
const lines = await renderKatex(textData.text, configApi.getConfig());
const divElem = textElem
.append('xhtml:div')
.attr('style', 'width: fit-content;')
.attr('xmlns', 'http://www.w3.org/1999/xhtml')
.html(lines);
const dim = divElem.node().getBoundingClientRect();
textElem.attr('height', Math.round(dim.height)).attr('width', Math.round(dim.width));
if (textData.class === 'noteText') {
const rectElem = elem.node().firstChild;
rectElem.setAttribute('height', dim.height + 2 * textData.textMargin);
const rectDim = rectElem.getBBox();
textElem
.attr('x', Math.round(rectDim.x + rectDim.width / 2 - dim.width / 2))
.attr('y', Math.round(rectDim.y + rectDim.height / 2 - dim.height / 2));
} else if (msgModel) {
let { startx, stopx, starty } = msgModel;
if (startx > stopx) {
const temp = startx;
startx = stopx;
stopx = temp;
}
textElem.attr('x', Math.round(startx + Math.abs(startx - stopx) / 2 - dim.width / 2));
if (textData.class === 'loopText') {
textElem.attr('y', Math.round(starty));
} else {
textElem.attr('y', Math.round(starty - dim.height));
}
}
return [textElem];
};
export const drawText = function (elem, textData) {
let prevTextHeight = 0;
let textHeight = 0;
const lines = textData.text.split(common.lineBreakRegex);
const [_textFontSize, _textFontSizePx] = parseFontSize(textData.fontSize);
let textElems = [];
let dy = 0;
let yfunc = () => textData.y;
if (
textData.valign !== undefined &&
textData.textMargin !== undefined &&
textData.textMargin > 0
) {
switch (textData.valign) {
case 'top':
case 'start':
yfunc = () => Math.round(textData.y + textData.textMargin);
break;
case 'middle':
case 'center':
yfunc = () =>
Math.round(textData.y + (prevTextHeight + textHeight + textData.textMargin) / 2);
break;
case 'bottom':
case 'end':
yfunc = () =>
Math.round(
textData.y +
(prevTextHeight + textHeight + 2 * textData.textMargin) -
textData.textMargin
);
break;
}
}
if (
textData.anchor !== undefined &&
textData.textMargin !== undefined &&
textData.width !== undefined
) {
switch (textData.anchor) {
case 'left':
case 'start':
textData.x = Math.round(textData.x + textData.textMargin);
textData.anchor = 'start';
textData.dominantBaseline = 'middle';
textData.alignmentBaseline = 'middle';
break;
case 'middle':
case 'center':
textData.x = Math.round(textData.x + textData.width / 2);
textData.anchor = 'middle';
textData.dominantBaseline = 'middle';
textData.alignmentBaseline = 'middle';
break;
case 'right':
case 'end':
textData.x = Math.round(textData.x + textData.width - textData.textMargin);
textData.anchor = 'end';
textData.dominantBaseline = 'middle';
textData.alignmentBaseline = 'middle';
break;
}
}
for (let [i, line] of lines.entries()) {
if (
textData.textMargin !== undefined &&
textData.textMargin === 0 &&
_textFontSize !== undefined
) {
dy = i * _textFontSize;
}
const textElem = elem.append('text');
textElem.attr('x', textData.x);
textElem.attr('y', yfunc());
if (textData.anchor !== undefined) {
textElem
.attr('text-anchor', textData.anchor)
.attr('dominant-baseline', textData.dominantBaseline)
.attr('alignment-baseline', textData.alignmentBaseline);
}
if (textData.fontFamily !== undefined) {
textElem.style('font-family', textData.fontFamily);
}
if (_textFontSizePx !== undefined) {
textElem.style('font-size', _textFontSizePx);
}
if (textData.fontWeight !== undefined) {
textElem.style('font-weight', textData.fontWeight);
}
if (textData.fill !== undefined) {
textElem.attr('fill', textData.fill);
}
if (textData.class !== undefined) {
textElem.attr('class', textData.class);
}
if (textData.dy !== undefined) {
textElem.attr('dy', textData.dy);
} else if (dy !== 0) {
textElem.attr('dy', dy);
}
const text = line || ZERO_WIDTH_SPACE;
if (textData.tspan) {
const span = textElem.append('tspan');
span.attr('x', textData.x);
if (textData.fill !== undefined) {
span.attr('fill', textData.fill);
}
span.text(text);
} else {
textElem.text(text);
}
if (
textData.valign !== undefined &&
textData.textMargin !== undefined &&
textData.textMargin > 0
) {
textHeight += (textElem._groups || textElem)[0][0].getBBox().height;
prevTextHeight = textHeight;
}
textElems.push(textElem);
}
return textElems;
};
export const drawLabel = function (elem, txtObject) {
/**
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} cut
* @returns {any}
*/
function genPoints(x, y, width, height, cut) {
return (
x +
',' +
y +
' ' +
(x + width) +
',' +
y +
' ' +
(x + width) +
',' +
(y + height - cut) +
' ' +
(x + width - cut * 1.2) +
',' +
(y + height) +
' ' +
x +
',' +
(y + height)
);
}
const polygon = elem.append('polygon');
polygon.attr('points', genPoints(txtObject.x, txtObject.y, txtObject.width, txtObject.height, 7));
polygon.attr('class', 'labelBox');
txtObject.y = txtObject.y + txtObject.height / 2;
drawText(elem, txtObject);
return polygon;
};
let actorCnt = -1;
export const fixLifeLineHeights = (diagram, actors, actorKeys, conf) => {
if (!diagram.select) {
return;
}
actorKeys.forEach((actorKey) => {
const actor = actors[actorKey];
const actorDOM = diagram.select('#actor' + actor.actorCnt);
if (!conf.mirrorActors && actor.stopy) {
actorDOM.attr('y2', actor.stopy + actor.height / 2);
} else if (conf.mirrorActors) {
actorDOM.attr('y2', actor.stopy);
}
});
};
/**
* Draws an actor in the diagram with the attached line
*
* @param {any} elem - The diagram we'll draw to.
* @param {any} actor - The actor to draw.
* @param {any} conf - DrawText implementation discriminator object
* @param {boolean} isFooter - If the actor is the footer one
*/
const drawActorTypeParticipant = async function (elem, actor, conf, isFooter) {
const actorY = isFooter ? actor.stopy : actor.starty;
const center = actor.x + actor.width / 2;
const centerY = actorY + 5;
const boxplusLineGroup = elem.append('g').lower();
var g = boxplusLineGroup;
if (!isFooter) {
actorCnt++;
if (Object.keys(actor.links || {}).length && !conf.forceMenus) {
g.attr('onclick', popupMenuToggle(`actor${actorCnt}_popup`)).attr('cursor', 'pointer');
}
g.append('line')
.attr('id', 'actor' + actorCnt)
.attr('x1', center)
.attr('y1', centerY)
.attr('x2', center)
.attr('y2', 2000)
.attr('class', 'actor-line')
.attr('class', '200')
.attr('stroke-width', '0.5px')
.attr('stroke', '#999');
g = boxplusLineGroup.append('g');
actor.actorCnt = actorCnt;
if (actor.links != null) {
g.attr('id', 'root-' + actorCnt);
}
}
const rect = svgDrawCommon.getNoteRect();
var cssclass = 'actor';
if (actor.properties != null && actor.properties['class']) {
cssclass = actor.properties['class'];
} else {
rect.fill = '#eaeaea';
}
if (isFooter) {
cssclass += ` ${BOTTOM_ACTOR_CLASS}`;
} else {
cssclass += ` ${TOP_ACTOR_CLASS}`;
}
rect.x = actor.x;
rect.y = actorY;
rect.width = actor.width;
rect.height = actor.height;
rect.class = cssclass;
rect.rx = 3;
rect.ry = 3;
rect.name = actor.name;
const rectElem = drawRect(g, rect);
actor.rectData = rect;
if (actor.properties != null && actor.properties['icon']) {
const iconSrc = actor.properties['icon'].trim();
if (iconSrc.charAt(0) === '@') {
svgDrawCommon.drawEmbeddedImage(g, rect.x + rect.width - 20, rect.y + 10, iconSrc.substr(1));
} else {
svgDrawCommon.drawImage(g, rect.x + rect.width - 20, rect.y + 10, iconSrc);
}
}
await _drawTextCandidateFunc(conf, hasKatex(actor.description))(
actor.description,
g,
rect.x,
rect.y,
rect.width,
rect.height,
{ class: 'actor' },
conf
);
let height = actor.height;
if (rectElem.node) {
const bounds = rectElem.node().getBBox();
actor.height = bounds.height;
height = bounds.height;
}
return height;
};
const drawActorTypeActor = async function (elem, actor, conf, isFooter) {
const actorY = isFooter ? actor.stopy : actor.starty;
const center = actor.x + actor.width / 2;
const centerY = actorY + 80;
elem.lower();
if (!isFooter) {
actorCnt++;
elem
.append('line')
.attr('id', 'actor' + actorCnt)
.attr('x1', center)
.attr('y1', centerY)
.attr('x2', center)
.attr('y2', 2000)
.attr('class', 'actor-line')
.attr('class', '200')
.attr('stroke-width', '0.5px')
.attr('stroke', '#999');
actor.actorCnt = actorCnt;
}
const actElem = elem.append('g');
let cssClass = 'actor-man';
if (isFooter) {
cssClass += ` ${BOTTOM_ACTOR_CLASS}`;
} else {
cssClass += ` ${TOP_ACTOR_CLASS}`;
}
actElem.attr('class', cssClass);
actElem.attr('name', actor.name);
const rect = svgDrawCommon.getNoteRect();
rect.x = actor.x;
rect.y = actorY;
rect.fill = '#eaeaea';
rect.width = actor.width;
rect.height = actor.height;
rect.class = 'actor';
rect.rx = 3;
rect.ry = 3;
actElem
.append('line')
.attr('id', 'actor-man-torso' + actorCnt)
.attr('x1', center)
.attr('y1', actorY + 25)
.attr('x2', center)
.attr('y2', actorY + 45);
actElem
.append('line')
.attr('id', 'actor-man-arms' + actorCnt)
.attr('x1', center - ACTOR_TYPE_WIDTH / 2)
.attr('y1', actorY + 33)
.attr('x2', center + ACTOR_TYPE_WIDTH / 2)
.attr('y2', actorY + 33);
actElem
.append('line')
.attr('x1', center - ACTOR_TYPE_WIDTH / 2)
.attr('y1', actorY + 60)
.attr('x2', center)
.attr('y2', actorY + 45);
actElem
.append('line')
.attr('x1', center)
.attr('y1', actorY + 45)
.attr('x2', center + ACTOR_TYPE_WIDTH / 2 - 2)
.attr('y2', actorY + 60);
const circle = actElem.append('circle');
circle.attr('cx', actor.x + actor.width / 2);
circle.attr('cy', actorY + 10);
circle.attr('r', 15);
circle.attr('width', actor.width);
circle.attr('height', actor.height);
const bounds = actElem.node().getBBox();
actor.height = bounds.height;
await _drawTextCandidateFunc(conf, hasKatex(actor.description))(
actor.description,
actElem,
rect.x,
rect.y + 35,
rect.width,
rect.height,
{ class: 'actor' },
conf
);
return actor.height;
};
export const drawActor = async function (elem, actor, conf, isFooter) {
switch (actor.type) {
case 'actor':
return await drawActorTypeActor(elem, actor, conf, isFooter);
case 'participant':
return await drawActorTypeParticipant(elem, actor, conf, isFooter);
}
};
export const drawBox = async function (elem, box, conf) {
const boxplusTextGroup = elem.append('g');
const g = boxplusTextGroup;
drawBackgroundRect(g, box);
if (box.name) {
await _drawTextCandidateFunc(conf)(
box.name,
g,
box.x,
box.y + (box.textMaxHeight || 0) / 2,
box.width,
0,
{ class: 'text' },
conf
);
}
g.lower();
};
export const anchorElement = function (elem) {
return elem.append('g');
};
/**
* Draws an activation in the diagram
*
* @param {any} elem - Element to append activation rect.
* @param {any} bounds - Activation box bounds.
* @param {any} verticalPos - Precise y coordinate of bottom activation box edge.
* @param {any} conf - Sequence diagram config object.
* @param {any} actorActivations - Number of activations on the actor.
*/
export const drawActivation = function (elem, bounds, verticalPos, conf, actorActivations) {
const rect = svgDrawCommon.getNoteRect();
const g = bounds.anchored;
rect.x = bounds.startx;
rect.y = bounds.starty;
rect.class = 'activation' + (actorActivations % 3); // Will evaluate to 0, 1 or 2
rect.width = bounds.stopx - bounds.startx;
rect.height = verticalPos - bounds.starty;
drawRect(g, rect);
};
/**
* Draws a loop in the diagram
*
* @param {any} elem - Element to append the loop to.
* @param {any} loopModel - LoopModel of the given loop.
* @param {any} labelText - Text within the loop.
* @param {any} conf - Diagram configuration
* @returns {any}
*/
export const drawLoop = async function (elem, loopModel, labelText, conf) {
const {
boxMargin,
boxTextMargin,
labelBoxHeight,
labelBoxWidth,
messageFontFamily: fontFamily,
messageFontSize: fontSize,
messageFontWeight: fontWeight,
} = conf;
const g = elem.append('g');
const drawLoopLine = function (startx, starty, stopx, stopy) {
return g
.append('line')
.attr('x1', startx)
.attr('y1', starty)
.attr('x2', stopx)
.attr('y2', stopy)
.attr('class', 'loopLine');
};
drawLoopLine(loopModel.startx, loopModel.starty, loopModel.stopx, loopModel.starty);
drawLoopLine(loopModel.stopx, loopModel.starty, loopModel.stopx, loopModel.stopy);
drawLoopLine(loopModel.startx, loopModel.stopy, loopModel.stopx, loopModel.stopy);
drawLoopLine(loopModel.startx, loopModel.starty, loopModel.startx, loopModel.stopy);
if (loopModel.sections !== undefined) {
loopModel.sections.forEach(function (item) {
drawLoopLine(loopModel.startx, item.y, loopModel.stopx, item.y).style(
'stroke-dasharray',
'3, 3'
);
});
}
let txt = svgDrawCommon.getTextObj();
txt.text = labelText;
txt.x = loopModel.startx;
txt.y = loopModel.starty;
txt.fontFamily = fontFamily;
txt.fontSize = fontSize;
txt.fontWeight = fontWeight;
txt.anchor = 'middle';
txt.valign = 'middle';
txt.tspan = false;
txt.width = labelBoxWidth || 50;
txt.height = labelBoxHeight || 20;
txt.textMargin = boxTextMargin;
txt.class = 'labelText';
drawLabel(g, txt);
txt = getTextObj();
txt.text = loopModel.title;
txt.x = loopModel.startx + labelBoxWidth / 2 + (loopModel.stopx - loopModel.startx) / 2;
txt.y = loopModel.starty + boxMargin + boxTextMargin;
txt.anchor = 'middle';
txt.valign = 'middle';
txt.textMargin = boxTextMargin;
txt.class = 'loopText';
txt.fontFamily = fontFamily;
txt.fontSize = fontSize;
txt.fontWeight = fontWeight;
txt.wrap = true;
let textElem = hasKatex(txt.text) ? await drawKatex(g, txt, loopModel) : drawText(g, txt);
if (loopModel.sectionTitles !== undefined) {
for (const [idx, item] of Object.entries(loopModel.sectionTitles)) {
if (item.message) {
txt.text = item.message;
txt.x = loopModel.startx + (loopModel.stopx - loopModel.startx) / 2;
txt.y = loopModel.sections[idx].y + boxMargin + boxTextMargin;
txt.class = 'loopText';
txt.anchor = 'middle';
txt.valign = 'middle';
txt.tspan = false;
txt.fontFamily = fontFamily;
txt.fontSize = fontSize;
txt.fontWeight = fontWeight;
txt.wrap = loopModel.wrap;
if (hasKatex(txt.text)) {
loopModel.starty = loopModel.sections[idx].y;
await drawKatex(g, txt, loopModel);
} else {
drawText(g, txt);
}
let sectionHeight = Math.round(
textElem
.map((te) => (te._groups || te)[0][0].getBBox().height)
.reduce((acc, curr) => acc + curr)
);
loopModel.sections[idx].height += sectionHeight - (boxMargin + boxTextMargin);
}
}
}
loopModel.height = Math.round(loopModel.stopy - loopModel.starty);
return g;
};
/**
* Draws a background rectangle
*
* @param {any} elem Diagram (reference for bounds)
* @param {any} bounds Shape of the rectangle
*/
export const drawBackgroundRect = function (elem, bounds) {
svgDrawCommon.drawBackgroundRect(elem, bounds);
};
export const insertDatabaseIcon = function (elem) {
elem
.append('defs')
.append('symbol')
.attr('id', 'database')
.attr('fill-rule', 'evenodd')
.attr('clip-rule', 'evenodd')
.append('path')
.attr('transform', 'scale(.5)')
.attr(
'd',
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);
};
export const insertComputerIcon = function (elem) {
elem
.append('defs')
.append('symbol')
.attr('id', 'computer')
.attr('width', '24')
.attr('height', '24')
.append('path')
.attr('transform', 'scale(.5)')
.attr(
'd',
'M2 2v13h20v-13h-20zm18 11h-16v-9h16v9zm-10.228 6l.466-1h3.524l.467 1h-4.457zm14.228 3h-24l2-6h2.104l-1.33 4h18.45l-1.297-4h2.073l2 6zm-5-10h-14v-7h14v7z'
);
};
export const insertClockIcon = function (elem) {
elem
.append('defs')
.append('symbol')
.attr('id', 'clock')
.attr('width', '24')
.attr('height', '24')
.append('path')
.attr('transform', 'scale(.5)')
.attr(
'd',
'M12 2c5.514 0 10 4.486 10 10s-4.486 10-10 10-10-4.486-10-10 4.486-10 10-10zm0-2c-6.627 0-12 5.373-12 12s5.373 12 12 12 12-5.373 12-12-5.373-12-12-12zm5.848 12.459c.202.038.202.333.001.372-1.907.361-6.045 1.111-6.547 1.111-.719 0-1.301-.582-1.301-1.301 0-.512.77-5.447 1.125-7.445.034-.192.312-.181.343.014l.985 6.238 5.394 1.011z'
);
};
/**
* Setup arrow head and define the marker. The result is appended to the svg.
*
* @param elem
*/
export const insertArrowHead = function (elem) {
elem
.append('defs')
.append('marker')
.attr('id', 'arrowhead')
.attr('refX', 7.9)
.attr('refY', 5)
.attr('markerUnits', 'userSpaceOnUse')
.attr('markerWidth', 12)
.attr('markerHeight', 12)
.attr('orient', 'auto')
.append('path')
.attr('d', 'M 0 0 L 10 5 L 0 10 z'); // this is actual shape for arrowhead
};
/**
* Setup arrow head and define the marker. The result is appended to the svg.
*
* @param {any} elem
*/
export const insertArrowFilledHead = function (elem) {
elem
.append('defs')
.append('marker')
.attr('id', 'filled-head')
.attr('refX', 15.5)
.attr('refY', 7)
.attr('markerWidth', 20)
.attr('markerHeight', 28)
.attr('orient', 'auto')
.append('path')
.attr('d', 'M 18,7 L9,13 L14,7 L9,1 Z');
};
/**
* Setup node number. The result is appended to the svg.
*
* @param {any} elem
*/
export const insertSequenceNumber = function (elem) {
elem
.append('defs')
.append('marker')
.attr('id', 'sequencenumber')
.attr('refX', 15)
.attr('refY', 15)
.attr('markerWidth', 60)
.attr('markerHeight', 40)
.attr('orient', 'auto')
.append('circle')
.attr('cx', 15)
.attr('cy', 15)
.attr('r', 6);
// .style("fill", '#f00');
};
/**
* Setup cross head and define the marker. The result is appended to the svg.
*
* @param {any} elem
*/
export const insertArrowCrossHead = function (elem) {
const defs = elem.append('defs');
const marker = defs
.append('marker')
.attr('id', 'crosshead')
.attr('markerWidth', 15)
.attr('markerHeight', 8)
.attr('orient', 'auto')
.attr('refX', 4)
.attr('refY', 4.5);
// The cross
marker
.append('path')
.attr('fill', 'none')
.attr('stroke', '#000000')
.style('stroke-dasharray', '0, 0')
.attr('stroke-width', '1pt')
.attr('d', 'M 1,2 L 6,7 M 6,2 L 1,7');
// this is actual shape for arrowhead
};
export const getTextObj = function () {
return {
x: 0,
y: 0,
fill: undefined,
anchor: undefined,
style: '#666',
width: undefined,
height: undefined,
textMargin: 0,
rx: 0,
ry: 0,
tspan: true,
valign: undefined,
};
};
export const getNoteRect = function () {
return {
x: 0,
y: 0,
fill: '#EDF2AE',
stroke: '#666',
width: 100,
anchor: 'start',
height: 100,
rx: 0,
ry: 0,
};
};
const _drawTextCandidateFunc = (function () {
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
*/
function byText(content, g, x, y, width, height, textAttrs) {
const text = g
.append('text')
.attr('x', x + width / 2)
.attr('y', y + height / 2 + 5)
.style('text-anchor', 'middle')
.text(content);
_setTextAttrs(text, textAttrs);
}
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
* @param {any} conf
*/
function byTspan(content, g, x, y, width, height, textAttrs, conf) {
const { actorFontSize, actorFontFamily, actorFontWeight } = conf;
const [_actorFontSize, _actorFontSizePx] = parseFontSize(actorFontSize);
const lines = content.split(common.lineBreakRegex);
for (let i = 0; i < lines.length; i++) {
const dy = i * _actorFontSize - (_actorFontSize * (lines.length - 1)) / 2;
const text = g
.append('text')
.attr('x', x + width / 2)
.attr('y', y)
.style('text-anchor', 'middle')
.style('font-size', _actorFontSizePx)
.style('font-weight', actorFontWeight)
.style('font-family', actorFontFamily);
text
.append('tspan')
.attr('x', x + width / 2)
.attr('dy', dy)
.text(lines[i]);
text
.attr('y', y + height / 2.0)
.attr('dominant-baseline', 'central')
.attr('alignment-baseline', 'central');
_setTextAttrs(text, textAttrs);
}
}
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
* @param {any} conf
*/
function byFo(content, g, x, y, width, height, textAttrs, conf) {
const s = g.append('switch');
const f = s
.append('foreignObject')
.attr('x', x)
.attr('y', y)
.attr('width', width)
.attr('height', height);
const text = f
.append('xhtml:div')
.style('display', 'table')
.style('height', '100%')
.style('width', '100%');
text
.append('div')
.style('display', 'table-cell')
.style('text-align', 'center')
.style('vertical-align', 'middle')
.text(content);
byTspan(content, s, x, y, width, height, textAttrs, conf);
_setTextAttrs(text, textAttrs);
}
/**
*
* @param content
* @param g
* @param x
* @param y
* @param width
* @param height
* @param textAttrs
* @param conf
*/
async function byKatex(content, g, x, y, width, height, textAttrs, conf) {
// TODO duplicate render calls, optimize
const dim = await calculateMathMLDimensions(content, configApi.getConfig());
const s = g.append('switch');
const f = s
.append('foreignObject')
.attr('x', x + width / 2 - dim.width / 2)
.attr('y', y + height / 2 - dim.height / 2)
.attr('width', dim.width)
.attr('height', dim.height);
const text = f.append('xhtml:div').style('height', '100%').style('width', '100%');
text
.append('div')
.style('text-align', 'center')
.style('vertical-align', 'middle')
.html(await renderKatex(content, configApi.getConfig()));
byTspan(content, s, x, y, width, height, textAttrs, conf);
_setTextAttrs(text, textAttrs);
}
/**
* @param {any} toText
* @param {any} fromTextAttrsDict
*/
function _setTextAttrs(toText, fromTextAttrsDict) {
for (const key in fromTextAttrsDict) {
if (fromTextAttrsDict.hasOwnProperty(key)) {
toText.attr(key, fromTextAttrsDict[key]);
}
}
}
return function (conf, hasKatex = false) {
if (hasKatex) {
return byKatex;
}
return conf.textPlacement === 'fo' ? byFo : conf.textPlacement === 'old' ? byText : byTspan;
};
})();
const _drawMenuItemTextCandidateFunc = (function () {
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
*/
function byText(content, g, x, y, width, height, textAttrs) {
const text = g
.append('text')
.attr('x', x)
.attr('y', y)
.style('text-anchor', 'start')
.text(content);
_setTextAttrs(text, textAttrs);
}
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
* @param {any} conf
*/
function byTspan(content, g, x, y, width, height, textAttrs, conf) {
const { actorFontSize, actorFontFamily, actorFontWeight } = conf;
const lines = content.split(common.lineBreakRegex);
for (let i = 0; i < lines.length; i++) {
const dy = i * actorFontSize - (actorFontSize * (lines.length - 1)) / 2;
const text = g
.append('text')
.attr('x', x)
.attr('y', y)
.style('text-anchor', 'start')
.style('font-size', actorFontSize)
.style('font-weight', actorFontWeight)
.style('font-family', actorFontFamily);
text.append('tspan').attr('x', x).attr('dy', dy).text(lines[i]);
text
.attr('y', y + height / 2.0)
.attr('dominant-baseline', 'central')
.attr('alignment-baseline', 'central');
_setTextAttrs(text, textAttrs);
}
}
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
* @param {any} conf
*/
function byFo(content, g, x, y, width, height, textAttrs, conf) {
const s = g.append('switch');
const f = s
.append('foreignObject')
.attr('x', x)
.attr('y', y)
.attr('width', width)
.attr('height', height);
const text = f
.append('xhtml:div')
.style('display', 'table')
.style('height', '100%')
.style('width', '100%');
text
.append('div')
.style('display', 'table-cell')
.style('text-align', 'center')
.style('vertical-align', 'middle')
.text(content);
byTspan(content, s, x, y, width, height, textAttrs, conf);
_setTextAttrs(text, textAttrs);
}
/**
* @param {any} toText
* @param {any} fromTextAttrsDict
*/
function _setTextAttrs(toText, fromTextAttrsDict) {
for (const key in fromTextAttrsDict) {
if (fromTextAttrsDict.hasOwnProperty(key)) {
toText.attr(key, fromTextAttrsDict[key]);
}
}
}
return function (conf) {
return conf.textPlacement === 'fo' ? byFo : conf.textPlacement === 'old' ? byText : byTspan;
};
})();
export default {
drawRect,
drawText,
drawLabel,
drawActor,
drawBox,
drawPopup,
anchorElement,
drawActivation,
drawLoop,
drawBackgroundRect,
insertArrowHead,
insertArrowFilledHead,
insertSequenceNumber,
insertArrowCrossHead,
insertDatabaseIcon,
insertComputerIcon,
insertClockIcon,
getTextObj,
getNoteRect,
fixLifeLineHeights,
sanitizeUrl,
};