vbv/client/src/components/circle/LearningPathDiagram.vue

377 lines
9.4 KiB
Vue

<script>
import * as d3 from 'd3';
import {useLearningPathStore} from '../../stores/learningPath';
export default {
props: {
learningPathContents: {
default: {
topics: [
{
id: 4,
title: 'Basissdf',
slug: 'basissdf',
type: 'learnpath.Topic',
translation_key: 'fdabcf72-728a-4279-ba34-e079761a14ad',
is_visible: false,
circles: [
{
id: 5,
title: 'Basis',
slug: 'basis',
type: 'learnpath.Circle',
translation_key: '13951cfd-b36d-42d5-b84a-178f0a7da106',
learning_sequences: [
{
id: 11,
title: 'Starten',
done: false,
},
{
id: 13,
title: 'Beobachten',
done: false,
},
],
},
],
},
],
},
type: Object,
},
width: {
default: 1640,
type: Number,
},
height: {
default: 256 * 3,
type: Number,
},
vertical: {
default: false,
type: Boolean
}
},
setup() {
const learningPathStore = useLearningPathStore()
return {learningPathStore}
},
computed: {
viewBox() {
return `0 0 ${this.width} ${this.height * 1.5}`
},
circles() {
if (this.learningPathStore.learningPath) {
let internalCircles = this.learningPathStore.learningPath.circles;
internalCircles.forEach((circle) => {
let pieWeights = new Array(Math.max(circle.learningSequences.length, 1)).fill(1)
let pieGenerator = d3.pie()
let pieData = pieGenerator(pieWeights)
pieData.forEach((pie) => {
pie.startAngle = pie.startAngle + Math.PI
pie.endAngle = pie.endAngle + Math.PI
const lp = circle.learningSequences[parseInt(pie.index)];
pie.done = circle.someFinishedInLearningSequence(lp.translation_key);
});
circle.pieData = pieData.reverse()
});
return internalCircles
}
return [];
},
svg() {
return d3.select('.learning-path-visualization')
},
},
mounted() {
const circleWidth = this.vertical ? 100 : 200
const radius = (circleWidth * 0.8) / 2
const blue900 = '#00224D',
blue700 = '#1A5197',
gray100 = '#EDF2F6',
gray300 = '#E0E5EC',
gray500 = '#B1C1CA',
sky400 = '#72CAFF',
sky500 = '#41B5FA'
let vueRouter = this.$router
// Create append pie charts to the main svg
const circle_groups = this.svg
.selectAll('.circle')
.data(this.circles)
.enter()
.append('g')
.attr('class', 'circle')
.on('mouseover', function (d, i) {
d3.select(this)
.selectAll('.learningSegmentArc')
.transition()
.duration(200)
.attr('fill', (d) => {
return d.done ? sky400 : gray100
})
})
.on('mouseout', function (d, i) {
d3.select(this)
.selectAll('.learningSegmentArc')
.transition()
.duration(200)
.attr('fill', (d) => {
return d.done ? sky500 : gray300
})
})
.on('click', function (d, i) {
vueRouter.push('/circle/' + i.slug)
})
.attr('role', 'button')
const arcGenerator = d3
.arc()
.innerRadius(radius / 2)
.padAngle(12 / 360)
.outerRadius(radius)
//Generate groups
const arcs = this.svg
.selectAll('g')
.selectAll('.learningSegmentArc')
.data((d) => {
return d.pieData
})
.enter()
.append('g')
.attr('class', 'learningSegmentArc')
.attr('fill', gray300)
arcs
.transition()
.duration(1000)
.attr('fill', (d) => {
return d.done ? sky500 : gray300
})
//Draw arc paths
arcs.append('path').attr('d', arcGenerator)
const circlesText = circle_groups
.append('text')
.attr('fill', blue900)
.style('font-size', 19)
.text((d) => d.title)
.attr('class', 'circlesText text-xl font-bold hidden lg:block')
const topicHeightOffset = 20
const topicHeight = 35
const circleHeigth = circleWidth + 20
function getTopicPosition(i, d, topics) {
let pos = topicHeightOffset
for (let index = 0; index < i; index++) {
let topic = topics[index]
if (topic.is_visible) {
pos += topicHeight
}
pos += circleHeigth * topic.circles.length
}
return pos + topicHeightOffset
}
function getCircleVerticalPostion(i, d, topics) {
let y = circleHeigth / 2 + topicHeightOffset + 10
for (let topic_index = 0; topic_index < topics.length; topic_index++) {
const topic = topics[topic_index]
console.log(topic.title)
if (topic.is_visible) {
y += topicHeight
}
for (let circle_index = 0; circle_index < topic.circles.length; circle_index++) {
let circle = topic.circles[circle_index]
console.log('- ' + circle.title)
if (circle.id === d.id) {
console.log('found')
return y
}
y += circleHeigth
}
}
}
const topicGroups = this.svg
.selectAll('.topic')
.data(this.learningPathStore.learningPath.topics)
.enter()
.append('g')
.attr('class', (d) => {
return 'topic '.concat(d.is_visible ? "hidden lg:block" : "hidden")
})
const topicLines = topicGroups
.append('line')
.attr('class', 'stroke-gray-500')
.attr('stroke-width', 1.76)
const ç = topicGroups
.append('text')
.attr('fill', blue900)
.style('font-size', 19)
.text((d) => d.title)
// Calculate positions of objects
if (this.vertical) {
circle_groups
.attr('transform', (d, i) => {
return 'translate(100,' + getCircleVerticalPostion(i, d, this.learningPathStore.learningPath.topics) + ')'
})
circlesText
.attr('y', 7)
.attr('x', radius + 40)
const Topics_X = 100 - radius
topicGroups.attr('transform', (d, i) => {
return "translate(" + Topics_X + ", " + getTopicPosition(i, d, this.learningPathStore.learningPath.topics) + ")"
})
.attr('class', 'topicTitles')
topicLines.attr('x1', 0)
.attr('y1', -20)
.attr('x2', 0)
.attr('y2', -20)
.transition().duration('1000').attr('x2', this.width * 0.8)
} else {
circle_groups.attr('transform', (d, i) => {
let x_coord = (i + 1) * circleWidth - radius
return 'translate(' + x_coord + ', 200)'
})
circlesText.attr('y', radius + 30)
.style('text-anchor', 'middle')
.call(wrap, circleWidth - 20)
topicGroups.attr('transform', (d, i) => {
return "translate(" + getTopicPosition(i, d, this.learningPathStore.learningPath.topics) + ",0)"
})
topicLines.attr('x1', -10)
.attr('y1', 0)
.attr('x2', -10)
.attr('y2', 0)
.transition().duration('1000').attr('y2', 350)
topicGroups.attr('y', 20)
.call(wrap, circleWidth)
.attr('class', 'topicTitles font-bold')
}
function flipToVertical() {
this.height = 2000
const animationTime = 1000
circle_groups
.transition().duration(animationTime).attr('transform', (d, i) => {
let y_coord = ((i + 1) * circleWidth - radius) * 0.5
return 'translate(200, ' + y_coord + ') scale(0.5)'
}).on("end", d => {
addTexts()
})
circle_groups.selectAll('.circlesText').attr('class', 'hidden')
topicGroups.attr('class', 'hidden')
function addTexts() {
circle_groups
.append('text')
.attr('fill', blue900)
.style('font-size', 45)
.text((d) => d.title)
.attr('y', 0)
.attr('x', radius + 30)
.attr('class', 'circlesText text-xl font-bold')
.style('text-anchor', 'left')
}
}
function wrap(text, width) {
text.each(function () {
let text = d3.select(this),
words = text.text().split(/\s+/).reverse(),
word,
line = [],
lineNumber = 0,
lineHeight = 1.1, // ems
y = text.attr('y'),
dy = 0, //parseFloat(text.attr('dy')),
tspan = text
.text(null)
.append('tspan')
.attr('x', 0)
.attr('y', y)
.attr('dy', dy + 'em')
while ((word = words.pop())) {
line.push(word)
tspan.text(line.join(' '))
if (tspan.node().getComputedTextLength() > width) {
line.pop()
tspan.text(line.join(' '))
line = [word]
tspan = text
.append('tspan')
.attr('x', 0)
.attr('y', y)
.attr('dy', ++lineNumber * lineHeight + dy + 'em')
.text(word)
}
}
})
}
},
}
</script>
<template>
<div class="flex flex-col">
<button class="content-center">
<it-icon-list/>
Listen ansicht anzeigen
</button>
<div class="svg-container h-full content-start">
<svg class="learning-path-visualization h-full" :viewBox="viewBox">
</svg>
</div>
</div>
</template>