packages/mermaid/src/diagrams/user-journey/svgDraw.js
import { arc as d3arc } from 'd3';
import * as svgDrawCommon from '../common/svgDrawCommon.js';
export const drawRect = function (elem, rectData) {
return svgDrawCommon.drawRect(elem, rectData);
};
export const drawFace = function (element, faceData) {
const radius = 15;
const circleElement = element
.append('circle')
.attr('cx', faceData.cx)
.attr('cy', faceData.cy)
.attr('class', 'face')
.attr('r', radius)
.attr('stroke-width', 2)
.attr('overflow', 'visible');
const face = element.append('g');
//left eye
face
.append('circle')
.attr('cx', faceData.cx - radius / 3)
.attr('cy', faceData.cy - radius / 3)
.attr('r', 1.5)
.attr('stroke-width', 2)
.attr('fill', '#666')
.attr('stroke', '#666');
//right eye
face
.append('circle')
.attr('cx', faceData.cx + radius / 3)
.attr('cy', faceData.cy - radius / 3)
.attr('r', 1.5)
.attr('stroke-width', 2)
.attr('fill', '#666')
.attr('stroke', '#666');
/** @param {any} face */
function smile(face) {
const arc = d3arc()
.startAngle(Math.PI / 2)
.endAngle(3 * (Math.PI / 2))
.innerRadius(radius / 2)
.outerRadius(radius / 2.2);
//mouth
face
.append('path')
.attr('class', 'mouth')
.attr('d', arc)
.attr('transform', 'translate(' + faceData.cx + ',' + (faceData.cy + 2) + ')');
}
/** @param {any} face */
function sad(face) {
const arc = d3arc()
.startAngle((3 * Math.PI) / 2)
.endAngle(5 * (Math.PI / 2))
.innerRadius(radius / 2)
.outerRadius(radius / 2.2);
//mouth
face
.append('path')
.attr('class', 'mouth')
.attr('d', arc)
.attr('transform', 'translate(' + faceData.cx + ',' + (faceData.cy + 7) + ')');
}
/** @param {any} face */
function ambivalent(face) {
face
.append('line')
.attr('class', 'mouth')
.attr('stroke', 2)
.attr('x1', faceData.cx - 5)
.attr('y1', faceData.cy + 7)
.attr('x2', faceData.cx + 5)
.attr('y2', faceData.cy + 7)
.attr('class', 'mouth')
.attr('stroke-width', '1px')
.attr('stroke', '#666');
}
if (faceData.score > 3) {
smile(face);
} else if (faceData.score < 3) {
sad(face);
} else {
ambivalent(face);
}
return circleElement;
};
export const drawCircle = function (element, circleData) {
const circleElement = element.append('circle');
circleElement.attr('cx', circleData.cx);
circleElement.attr('cy', circleData.cy);
circleElement.attr('class', 'actor-' + circleData.pos);
circleElement.attr('fill', circleData.fill);
circleElement.attr('stroke', circleData.stroke);
circleElement.attr('r', circleData.r);
if (circleElement.class !== undefined) {
circleElement.attr('class', circleElement.class);
}
if (circleData.title !== undefined) {
circleElement.append('title').text(circleData.title);
}
return circleElement;
};
export const drawText = function (elem, textData) {
return svgDrawCommon.drawText(elem, textData);
};
export const drawLabel = function (elem, txtObject) {
/**
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} cut
*/
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, 50, 20, 7));
polygon.attr('class', 'labelBox');
txtObject.y = txtObject.y + txtObject.labelMargin;
txtObject.x = txtObject.x + 0.5 * txtObject.labelMargin;
drawText(elem, txtObject);
};
export const drawSection = function (elem, section, conf) {
const g = elem.append('g');
const rect = svgDrawCommon.getNoteRect();
rect.x = section.x;
rect.y = section.y;
rect.fill = section.fill;
// section width covers all nested tasks
rect.width =
conf.width * section.taskCount + // width of the tasks
conf.diagramMarginX * (section.taskCount - 1); // width of space between tasks
rect.height = conf.height;
rect.class = 'journey-section section-type-' + section.num;
rect.rx = 3;
rect.ry = 3;
drawRect(g, rect);
_drawTextCandidateFunc(conf)(
section.text,
g,
rect.x,
rect.y,
rect.width,
rect.height,
{ class: 'journey-section section-type-' + section.num },
conf,
section.colour
);
};
let taskCount = -1;
/**
* Draws an actor in the diagram with the attached line
*
* @param {any} elem The HTML element
* @param {any} task The task to render
* @param {any} conf The global configuration
*/
export const drawTask = function (elem, task, conf) {
const center = task.x + conf.width / 2;
const g = elem.append('g');
taskCount++;
const maxHeight = 300 + 5 * 30;
g.append('line')
.attr('id', 'task' + taskCount)
.attr('x1', center)
.attr('y1', task.y)
.attr('x2', center)
.attr('y2', maxHeight)
.attr('class', 'task-line')
.attr('stroke-width', '1px')
.attr('stroke-dasharray', '4 2')
.attr('stroke', '#666');
drawFace(g, {
cx: center,
cy: 300 + (5 - task.score) * 30,
score: task.score,
});
const rect = svgDrawCommon.getNoteRect();
rect.x = task.x;
rect.y = task.y;
rect.fill = task.fill;
rect.width = conf.width;
rect.height = conf.height;
rect.class = 'task task-type-' + task.num;
rect.rx = 3;
rect.ry = 3;
drawRect(g, rect);
let xPos = task.x + 14;
task.people.forEach((person) => {
const colour = task.actors[person].color;
const circle = {
cx: xPos,
cy: task.y,
r: 7,
fill: colour,
stroke: '#000',
title: person,
pos: task.actors[person].position,
};
drawCircle(g, circle);
xPos += 10;
});
_drawTextCandidateFunc(conf)(
task.task,
g,
rect.x,
rect.y,
rect.width,
rect.height,
{ class: 'task' },
conf,
task.colour
);
};
/**
* Draws a background rectangle
*
* @param {any} elem The html element
* @param {any} bounds The bounds of the drawing
*/
export const drawBackgroundRect = function (elem, bounds) {
svgDrawCommon.drawBackgroundRect(elem, bounds);
};
const _drawTextCandidateFunc = (function () {
/**
* @param {any} content
* @param {any} g
* @param {any} x
* @param {any} y
* @param {any} width
* @param {any} height
* @param {any} textAttrs
* @param {any} colour
*/
function byText(content, g, x, y, width, height, textAttrs, colour) {
const text = g
.append('text')
.attr('x', x + width / 2)
.attr('y', y + height / 2 + 5)
.style('font-color', colour)
.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
* @param {any} colour
*/
function byTspan(content, g, x, y, width, height, textAttrs, conf, colour) {
const { taskFontSize, taskFontFamily } = conf;
const lines = content.split(/<br\s*\/?>/gi);
for (let i = 0; i < lines.length; i++) {
const dy = i * taskFontSize - (taskFontSize * (lines.length - 1)) / 2;
const text = g
.append('text')
.attr('x', x + width / 2)
.attr('y', y)
.attr('fill', colour)
.style('text-anchor', 'middle')
.style('font-size', taskFontSize)
.style('font-family', taskFontFamily);
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 body = g.append('switch');
const f = body
.append('foreignObject')
.attr('x', x)
.attr('y', y)
.attr('width', width)
.attr('height', height)
.attr('position', 'fixed');
const text = f
.append('xhtml:div')
.style('display', 'table')
.style('height', '100%')
.style('width', '100%');
text
.append('div')
.attr('class', 'label')
.style('display', 'table-cell')
.style('text-align', 'center')
.style('vertical-align', 'middle')
.text(content);
byTspan(content, body, 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 (key in fromTextAttrsDict) {
// noinspection JSUnfilteredForInLoop
toText.attr(key, fromTextAttrsDict[key]);
}
}
}
return function (conf) {
return conf.textPlacement === 'fo' ? byFo : conf.textPlacement === 'old' ? byText : byTspan;
};
})();
const initGraphics = function (graphics) {
graphics
.append('defs')
.append('marker')
.attr('id', 'arrowhead')
.attr('refX', 5)
.attr('refY', 2)
.attr('markerWidth', 6)
.attr('markerHeight', 4)
.attr('orient', 'auto')
.append('path')
.attr('d', 'M 0,0 V 4 L6,2 Z'); // this is actual shape for arrowhead
};
export default {
drawRect,
drawCircle,
drawSection,
drawText,
drawLabel,
drawTask,
drawBackgroundRect,
initGraphics,
};