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export_overview_controller.js
111 lines
| 1 | import {Controller} from "@hotwired/stimulus" |
| 2 | import html2pdf from 'html2pdf.js' |
| 3 | import {Chart} from 'chart.js' |
| 4 | |
| 5 | export default class extends Controller { |
| 6 | static values = { |
| 7 | loadingText: String |
| 8 | } |
| 9 | |
| 10 | export() { |
| 11 | this.element.classList.add('sending') |
| 12 | this.element.setAttribute('disabled', 'disabled') |
| 13 | |
| 14 | setTimeout(() => { |
| 15 | const charts = Object.values(Chart.instances) |
| 16 | const mapElements = window.mapInstances || [] |
| 17 | |
| 18 | // Assign a temporary unique id to every chart |
| 19 | charts.forEach((chart) => { |
| 20 | chart.canvas.dataset.chartExportId = Math.random() |
| 21 | }) |
| 22 | |
| 23 | // Assign a temporary unique id to every map |
| 24 | mapElements.forEach((map) => { |
| 25 | map.container.dataset.chartExportId = Math.random() |
| 26 | }) |
| 27 | |
| 28 | const clonedPage = document.getElementById('wpwrap').cloneNode(true) |
| 29 | |
| 30 | // Set the width to the PDFs page width |
| 31 | clonedPage.style.width = 1056 + 'px' |
| 32 | |
| 33 | charts.forEach((chart) => { |
| 34 | // Get an image of the chart |
| 35 | const base64Image = chart.toBase64Image('image/png', 1); |
| 36 | |
| 37 | // Generate an image element to inline |
| 38 | const imageElement = document.createElement('img') |
| 39 | imageElement.src = base64Image |
| 40 | imageElement.classList.add('chart-converted-to-image') |
| 41 | |
| 42 | // Swap the chart for the image |
| 43 | const chartExportId = chart.canvas.dataset.chartExportId |
| 44 | clonedPage.querySelector(`[data-chart-export-id='${chartExportId}']`).replaceWith(imageElement) |
| 45 | |
| 46 | // Remove the temporary export id |
| 47 | delete chart.canvas.dataset.chartExportId |
| 48 | }) |
| 49 | |
| 50 | mapElements.forEach((map) => { |
| 51 | // Get an image of the chart |
| 52 | const base64Image = map.getImageURI() |
| 53 | |
| 54 | // Generate an image element to inline |
| 55 | const imageElement = document.createElement('img') |
| 56 | imageElement.src = base64Image |
| 57 | imageElement.classList.add('chart-converted-to-image') |
| 58 | |
| 59 | // Swap the chart for the image |
| 60 | const chartExportId = map.container.dataset.chartExportId |
| 61 | clonedPage.querySelector(`[data-chart-export-id='${chartExportId}']`).replaceWith(imageElement) |
| 62 | |
| 63 | // Remove the temporary export id |
| 64 | delete map.container.dataset.chartExportId |
| 65 | }) |
| 66 | |
| 67 | // Prevent stimulus controllers from firing |
| 68 | clonedPage.querySelectorAll('[data-controller]').forEach((element) => { |
| 69 | element.removeAttribute('data-controller') |
| 70 | }) |
| 71 | |
| 72 | // Remove module picker |
| 73 | clonedPage.querySelectorAll('.module-picker').forEach((element) => { |
| 74 | element.remove() |
| 75 | }) |
| 76 | |
| 77 | // Remove toolbar |
| 78 | clonedPage.querySelectorAll('#report-header-container .toolbar').forEach((element) => { |
| 79 | element.remove() |
| 80 | }) |
| 81 | |
| 82 | // Remove refresh content |
| 83 | clonedPage.querySelectorAll('#report-header-container .last-updated-container').forEach((element) => { |
| 84 | element.remove() |
| 85 | }) |
| 86 | |
| 87 | // Remove pagination |
| 88 | clonedPage.querySelectorAll('.iawp-module .module-pagination').forEach((element) => { |
| 89 | element.remove() |
| 90 | }) |
| 91 | |
| 92 | const options = { |
| 93 | filename: 'overview.pdf', |
| 94 | jsPDF: { |
| 95 | unit: 'in', |
| 96 | format: 'letter', |
| 97 | orientation: 'landscape', |
| 98 | }, |
| 99 | } |
| 100 | html2pdf().set(options).from(clonedPage).toContainer().save().then(() => { |
| 101 | this.element.classList.add('sent') |
| 102 | this.element.classList.remove('sending') |
| 103 | this.element.removeAttribute('disabled') |
| 104 | |
| 105 | setTimeout(() => { |
| 106 | this.element.classList.remove('sent') |
| 107 | }, 1000) |
| 108 | }) |
| 109 | }, 250) // Allow animations to finish before exporting blocks things up |
| 110 | } |
| 111 | } |