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export_overview_controller.js
108 lines
| 1 | import {Controller} from "@hotwired/stimulus" |
| 2 | import html2pdf from 'html2pdf.js' |
| 3 | import {Chart} from 'chart.js' |
| 4 | import {svgToPng} from "../utils/svg-to-png"; |
| 5 | |
| 6 | export default class extends Controller { |
| 7 | static values = { |
| 8 | loadingText: String |
| 9 | } |
| 10 | |
| 11 | export() { |
| 12 | this.element.classList.add('sending') |
| 13 | this.element.setAttribute('disabled', 'disabled') |
| 14 | |
| 15 | setTimeout(async () => { |
| 16 | const charts = Object.values(Chart.instances) |
| 17 | const mapElements = window.iawpMaps || [] |
| 18 | |
| 19 | // Assign a temporary unique id to every chart |
| 20 | charts.forEach((chart) => { |
| 21 | chart.canvas.dataset.chartExportId = Math.random() |
| 22 | }) |
| 23 | |
| 24 | // Assign a temporary unique id to every map |
| 25 | mapElements.forEach((map) => { |
| 26 | map.container.dataset.chartExportId = Math.random() |
| 27 | }) |
| 28 | |
| 29 | const clonedPage = document.getElementById('wpwrap').cloneNode(true) |
| 30 | |
| 31 | // Set the width to the PDFs page width |
| 32 | clonedPage.style.width = 1056 + 'px' |
| 33 | |
| 34 | charts.forEach((chart) => { |
| 35 | // Get an image of the chart |
| 36 | const base64Image = chart.toBase64Image('image/png', 1); |
| 37 | |
| 38 | // Generate an image element to inline |
| 39 | const imageElement = document.createElement('img') |
| 40 | imageElement.src = base64Image |
| 41 | imageElement.classList.add('chart-converted-to-image') |
| 42 | |
| 43 | // Swap the chart for the image |
| 44 | const chartExportId = chart.canvas.dataset.chartExportId |
| 45 | clonedPage.querySelector(`[data-chart-export-id='${chartExportId}']`).replaceWith(imageElement) |
| 46 | |
| 47 | // Remove the temporary export id |
| 48 | delete chart.canvas.dataset.chartExportId |
| 49 | }) |
| 50 | |
| 51 | for (const map of mapElements) { |
| 52 | // Generate an image element to inline |
| 53 | const imageElement = await svgToPng(map.mapImage) |
| 54 | imageElement.classList.add('chart-converted-to-image') |
| 55 | |
| 56 | // Swap the chart for the image |
| 57 | const chartExportId = map.container.dataset.chartExportId |
| 58 | clonedPage.querySelector(`[data-chart-export-id='${chartExportId}']`).replaceWith(imageElement) |
| 59 | |
| 60 | // Remove the temporary export id |
| 61 | delete map.container.dataset.chartExportId |
| 62 | } |
| 63 | |
| 64 | // Prevent stimulus controllers from firing |
| 65 | clonedPage.querySelectorAll('[data-controller]').forEach((element) => { |
| 66 | element.removeAttribute('data-controller') |
| 67 | }) |
| 68 | |
| 69 | // Remove module picker |
| 70 | clonedPage.querySelectorAll('.module-picker').forEach((element) => { |
| 71 | element.remove() |
| 72 | }) |
| 73 | |
| 74 | // Remove toolbar |
| 75 | clonedPage.querySelectorAll('#report-header-container .toolbar').forEach((element) => { |
| 76 | element.remove() |
| 77 | }) |
| 78 | |
| 79 | // Remove refresh content |
| 80 | clonedPage.querySelectorAll('#report-header-container .last-updated-container').forEach((element) => { |
| 81 | element.remove() |
| 82 | }) |
| 83 | |
| 84 | // Remove pagination |
| 85 | clonedPage.querySelectorAll('.iawp-module .module-pagination').forEach((element) => { |
| 86 | element.remove() |
| 87 | }) |
| 88 | |
| 89 | const options = { |
| 90 | filename: 'overview.pdf', |
| 91 | jsPDF: { |
| 92 | unit: 'in', |
| 93 | format: 'letter', |
| 94 | orientation: 'landscape', |
| 95 | }, |
| 96 | } |
| 97 | html2pdf().set(options).from(clonedPage).toContainer().save().then(() => { |
| 98 | this.element.classList.add('sent') |
| 99 | this.element.classList.remove('sending') |
| 100 | this.element.removeAttribute('disabled') |
| 101 | |
| 102 | setTimeout(() => { |
| 103 | this.element.classList.remove('sent') |
| 104 | }, 1000) |
| 105 | }) |
| 106 | }, 250) // Allow animations to finish before exporting blocks things up |
| 107 | } |
| 108 | } |