Update

Areas/Inventory/Views/Item/ItemRegistration.cshtml

@@ -32,8 +32,8 @@
                 </div>
                 <div class="modal-body d-flex justify-content-center align-items-center">
                     <div class="container">
-                        <div class="row" >
-                            <div class="col-6 text-center">
+                        <div class="row" ref="qrInfo" id="qrInfo">
+                            <div class="col-5 text-center">
                                 <div class="row">
                                     <div id="QrContainer"></div>
                                 </div>
@@ -43,19 +43,24 @@
                                     </div>
                                 </div>
                             </div>
-                            <div class="col-6 text-center">
-                                <div class="col-12 text-center">
-                                    Department: {{thisQRInfo.departmentName}}
+                            <div class="col-7 d-flex align-items-center justify-content-center">
+                                <div class="text-center fs-4 text">
+                                    <div class="col-12 my-3">
+                                        {{thisQRInfo.departmentName}}
                                     </div>
-                                <div class="col-12 text-center">
-                                    Item: {{thisQRInfo.productName}}
+                                    <div class="col-12 my-3">
+                                        {{thisQRInfo.productName}}
                                     </div>
-                                <div class="col-12 text-center">
-                                    Warranty: {{thisQRInfo.endWDate}}
+                                    <div class="col-12 my-3">
+                                        {{thisQRInfo.endWDate}}
                                     </div>
                                 </div>
                             </div>
                         </div>
+                        <div class="row">
+                            <button v-on:click="printQRInfo">Print QR Info</button>
+                        </div>
+                    </div>
                 </div>
             </div>
         </div>
@@ -622,11 +627,27 @@
                 });
 
                 $('#itemDatatable tbody').on('click', '.print-btn', function () {
-                    const itemId = $(this).data('id');
-                    var $row = $(this).closest('tr'); // get the row containing the button
-                    var imageSrc = $row.find('img').attr('src'); // find the img element in the row and get its src
-                    // console.log(imageSrc);
-                    self.printItem(itemId, imageSrc);
+                    const $button = $(this); // The clicked button
+                    const $row = $button.closest('tr'); // The parent row of the button
+                    const itemId = $button.data('id'); // Get the item ID from the button's data attribute
+
+                    let imageSrc;
+
+                    // Check if the table is collapsed
+                    if ($row.hasClass('child')) {
+                        // For collapsed view: Look for the closest `.dtr-data` that contains the img
+                        imageSrc = $row.prev('tr').find('td:first-child img').attr('src');
+                    } else {
+                        // For expanded view: Find the img in the first column of the current row
+                        imageSrc = $row.find('td:first-child img').attr('src');
+                    }
+
+                    if (imageSrc) {
+                        console.log(imageSrc);
+                        self.printItem(itemId, imageSrc); // Call the print function with the itemId and imageSrc
+                    } else {
+                        console.error("Image source not found.");
+                    }
                 });
 
                 this.loading = false;
@@ -898,6 +919,120 @@
                 }
                 return this.items.find(item => item.uniqueID === uniqueID);
             },
+            // printQRInfo() {
+            //     const qrElement = this.$refs.qrInfo;
+
+            //     if (qrElement) {
+            //         const qrElement = this.$refs.qrInfo;
+            //         if (qrElement) {
+            //             domtoimage.toPng(qrElement,{
+            //                 quality: 1,
+            //             })
+            //             .then(function (dataUrl) {
+            //                 // Print the image using printJS
+            //                 printJS({
+            //                     printable: dataUrl,  // Image data URL
+            //                     type: 'image',
+            //                     css: '/../lib/bootstrap/dist/css/bootstrap.css',
+            //                     style: `
+            //                     @@media print {
+            //                         @@page { margin-top: 15px; margin-bottom: 15px; }
+            //                             body { margin: 0; }
+            //                             img {
+            //                                 display: block;
+            //                                 margin: auto;
+            //                                 width: auto;
+            //                                 max-width: 100%;
+            //                                 height: auto;
+            //                                 max-height: 100vh;
+            //                             }
+            //                     }
+            //                     `
+            //                 });
+            //             })
+            //             .catch(function (error) {
+            //                 console.error("Error generating image:", error);
+            //             });
+            //         } 
+            //         else {
+            //         console.error("QR Info element not found.");
+            //         }
+            //     }
+            // },
+                    printQRInfo() {
+            // Create a virtual DOM element
+            const virtualElement = document.createElement('div');
+            virtualElement.style.width = '500px'; // Set dimensions
+            virtualElement.style.height = 'auto';
+            virtualElement.style.position = 'absolute';
+            virtualElement.style.left = '-9999px'; // Position offscreen
+
+            // Populate the virtual DOM with content
+            virtualElement.innerHTML = `
+                <div class="row" id="qrInfo">
+                    <div class="col-5 text-center">
+                        <div id="QrContainer">
+                            <!-- QR Code can be dynamically inserted here -->
+                        </div>
+                        <div>
+                            <p>${this.thisQRInfo.uniqueID}</p>
+                        </div>
+                    </div>
+                    <div class="col-7 d-flex align-items-center justify-content-center">
+                        <div class="text-center fs-4 text">
+                            <div>${this.thisQRInfo.departmentName}</div>
+                            <div>${this.thisQRInfo.productName}</div>
+                            <div>${this.thisQRInfo.endWDate}</div>
+                        </div>
+                    </div>
+                </div>
+            `;
+
+            // Append the virtual DOM to the body (temporarily)
+            document.body.appendChild(virtualElement);
+
+            // Use html2canvas to convert the virtual DOM to an image
+            html2canvas(virtualElement, {
+                scale: 10, // Increase scale for sharper image
+                useCORS: true,
+                allowTaint: true,
+            }).then((canvas) => {
+                // Convert the canvas to an image
+                const imgData = canvas.toDataURL('image/png');
+
+                // Use printJS to print the image
+                printJS({
+                    printable: imgData,
+                    type: 'image',
+                    css: '/../lib/bootstrap/dist/css/bootstrap.css',
+                    style: `
+                        @@media print {
+                            @@page {
+                                margin-top: 15px;
+                                margin-bottom: 15px;
+                            }
+                            body { margin: 0; }
+                            img {
+                                display: block;
+                                margin: auto;
+                                width: auto;
+                                max-width: 100%;
+                                height: auto;
+                                max-height: 100vh;
+                            }
+                        }
+                    `
+                });
+
+                // Remove the virtual DOM from the body after use
+                document.body.removeChild(virtualElement);
+            }).catch((error) => {
+                console.error("Error generating image:", error);
+                // Remove the virtual DOM if an error occurs
+                document.body.removeChild(virtualElement);
+            });
+        },
+
         },
     });
 </script>

Controllers/API/Inventory/InvMainAPI.cs

@@ -1,4 +1,5 @@
 using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
 using Mono.TextTemplating;
@@ -19,11 +20,13 @@ namespace PSTW_CentralSystem.Controllers.API.Inventory
     {
         private readonly ILogger<InvMainAPI> _logger;
         private readonly CentralSystemContext _centralDbContext;
+        private readonly UserManager<UserModel> _userManager;
 
-        public InvMainAPI(ILogger<InvMainAPI> logger, CentralSystemContext centralDbContext)
+        public InvMainAPI(ILogger<InvMainAPI> logger, CentralSystemContext centralDbContext, UserManager<UserModel> userManager)
         {
             _logger = logger;
             _centralDbContext = centralDbContext;
+            _userManager = userManager;
         }
 
         public class DepartmentCompany
@@ -209,8 +212,30 @@ namespace PSTW_CentralSystem.Controllers.API.Inventory
         [HttpPost("ItemList")]
         public async Task<IActionResult> ItemList()
         {
+            try
+            {
+                var user = await _userManager.GetUserAsync(User);
+                if (user == null)
+                {
+                    return BadRequest("User not found");
+                }
+                else
+                {
+                    user.departmentId = user.departmentId != null ? user.departmentId : 0;
+                }
+
+                var userRole = await _userManager.GetRolesAsync(user);
+                var isAdmin = userRole.Contains("SystemAdmin") || userRole.Contains("SuperAdmin");
+                List<ItemModel> itemList = new List<ItemModel>();
                 // Get the item list
-            var itemList = await _centralDbContext.Items.Include("CreatedBy").Include("Department").Include("Product").ToListAsync();
+                if (isAdmin)
+                {
+                    itemList = await _centralDbContext.Items.Include("CreatedBy").Include("Department").Include("Product").ToListAsync();
+                }
+                else
+                {
+                    itemList = await _centralDbContext.Items.Include("CreatedBy").Include("Department").Include("Product").Where(i => i.DepartmentId == user.departmentId).ToListAsync();
+                }
 
                 // Get the departments list (DepartmentId references Departments)
                 var departments = await _centralDbContext.Departments.ToListAsync();
@@ -226,7 +251,7 @@ namespace PSTW_CentralSystem.Controllers.API.Inventory
                     item.SerialNumber,
                     item.Quantity,
                     item.Supplier,
-                item.PurchaseDate,
+                    PurchaseDate = item.PurchaseDate.ToString("dd/MM/yyyy"),
                     item.PONo,
                     item.Currency,
                     item.DefaultPrice,
@@ -234,7 +259,7 @@ namespace PSTW_CentralSystem.Controllers.API.Inventory
                     item.ConvertPrice,
                     item.DODate,
                     item.Warranty,
-                item.EndWDate,
+                    EndWDate = item.EndWDate.ToString("dd/MM/yyyy"),
                     item.InvoiceDate,
                     item.Department?.DepartmentName,
                     item.CreatedBy!.UserName,
@@ -244,8 +269,11 @@ namespace PSTW_CentralSystem.Controllers.API.Inventory
 
                 return Json(itemListWithDetails);
             }
-
-
+            catch (Exception ex)
+            {
+                return BadRequest(ex.Message);
+            }
+        }
 
         [HttpPost("GenerateItemQr/{id}")]
         public IActionResult GenerateItemQr(string id)

Views/Shared/_Layout.cshtml

@@ -28,7 +28,7 @@
     <link rel="stylesheet" href="~/assets/libs/bootstrap-datepicker/dist/css/bootstrap-datepicker.min.css" />
     <link rel="stylesheet" href="~/assets/libs/quill/dist/quill.snow.css" />
     <link href="~/dist/css/style.min.css" rel="stylesheet" />
-
+    <link href="~/lib/printjs/print.min.css" rel="stylesheet" />
     <!-- DataTables CSS-->
     <link href="~/lib/datatables/datatables.css" rel="stylesheet" />
     <!-- Vue Js -->
@@ -740,6 +740,9 @@
     <script src="~/assets/libs/jquery-minicolors/jquery.minicolors.min.js"></script>
     <script src="~/assets/libs/bootstrap-datepicker/dist/js/bootstrap-datepicker.min.js"></script>
     <script src="~/assets/libs/quill/dist/quill.min.js"></script>
+    <script src="~/lib/printjs/print.min.js"></script>
+    <script src="~/lib/html2canvas/html2canvas.min.js"></script>
+    <script src="~/lib/html2canvas/dom-to-image.min.js"></script>
     <!-- Datatables JS-->
     <script src="~/lib/datatables/datatables.js"></script>
     @await RenderSectionAsync("Scripts", required: false)

wwwroot/lib/PrintJs/browser.js

@@ -0,0 +1,29 @@
+const Browser = {
+  // Firefox 1.0+
+  isFirefox: () => {
+    return typeof InstallTrigger !== 'undefined'
+  },
+  // Internet Explorer 6-11
+  isIE: () => {
+    return navigator.userAgent.indexOf('MSIE') !== -1 || !!document.documentMode
+  },
+  // Edge 20+
+  isEdge: () => {
+    return !Browser.isIE() && !!window.StyleMedia
+  },
+  // Chrome 1+
+  isChrome: (context = window) => {
+    return !!context.chrome
+  },
+  // At least Safari 3+: "[object HTMLElementConstructor]"
+  isSafari: () => {
+    return Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0 ||
+        navigator.userAgent.toLowerCase().indexOf('safari') !== -1
+  },
+  // IOS Chrome
+  isIOSChrome: () => {
+    return navigator.userAgent.toLowerCase().indexOf('crios') !== -1
+  }
+}
+
+export default Browser

wwwroot/lib/PrintJs/functions.js

@@ -0,0 +1,103 @@
+import Modal from './modal'
+import Browser from './browser'
+
+export function addWrapper (htmlData, params) {
+  const bodyStyle = 'font-family:' + params.font + ' !important; font-size: ' + params.font_size + ' !important; width:100%;'
+  return '<div style="' + bodyStyle + '">' + htmlData + '</div>'
+}
+
+export function capitalizePrint (obj) {
+  return obj.charAt(0).toUpperCase() + obj.slice(1)
+}
+
+export function collectStyles (element, params) {
+  const win = document.defaultView || window
+
+  // String variable to hold styling for each element
+  let elementStyle = ''
+
+  // Loop over computed styles
+  const styles = win.getComputedStyle(element, '')
+
+  for (let key = 0; key < styles.length; key++) {
+    // Check if style should be processed
+    if (params.targetStyles.indexOf('*') !== -1 || params.targetStyle.indexOf(styles[key]) !== -1 || targetStylesMatch(params.targetStyles, styles[key])) {
+      if (styles.getPropertyValue(styles[key])) elementStyle += styles[key] + ':' + styles.getPropertyValue(styles[key]) + ';'
+    }
+  }
+
+  // Print friendly defaults (deprecated)
+  elementStyle += 'max-width: ' + params.maxWidth + 'px !important; font-size: ' + params.font_size + ' !important;'
+
+  return elementStyle
+}
+
+function targetStylesMatch (styles, value) {
+  for (let i = 0; i < styles.length; i++) {
+    if (typeof value === 'object' && value.indexOf(styles[i]) !== -1) return true
+  }
+  return false
+}
+
+export function addHeader (printElement, params) {
+  // Create the header container div
+  const headerContainer = document.createElement('div')
+
+  // Check if the header is text or raw html
+  if (isRawHTML(params.header)) {
+    headerContainer.innerHTML = params.header
+  } else {
+    // Create header element
+    const headerElement = document.createElement('h1')
+
+    // Create header text node
+    const headerNode = document.createTextNode(params.header)
+
+    // Build and style
+    headerElement.appendChild(headerNode)
+    headerElement.setAttribute('style', params.headerStyle)
+    headerContainer.appendChild(headerElement)
+  }
+
+  printElement.insertBefore(headerContainer, printElement.childNodes[0])
+}
+
+export function cleanUp (params) {
+  // If we are showing a feedback message to user, remove it
+  if (params.showModal) Modal.close()
+
+  // Check for a finished loading hook function
+  if (params.onLoadingEnd) params.onLoadingEnd()
+
+  // If preloading pdf files, clean blob url
+  if (params.showModal || params.onLoadingStart) window.URL.revokeObjectURL(params.printable)
+
+  // Run onPrintDialogClose callback
+  let event = 'mouseover'
+
+  if (Browser.isChrome() || Browser.isFirefox()) {
+    // Ps.: Firefox will require an extra click in the document to fire the focus event.
+    event = 'focus'
+  }
+
+  const handler = () => {
+    // Make sure the event only happens once.
+    window.removeEventListener(event, handler)
+
+    params.onPrintDialogClose()
+
+    // Remove iframe from the DOM
+    const iframe = document.getElementById(params.frameId)
+
+    if (iframe) {
+      iframe.remove()
+    }
+  }
+
+  window.addEventListener(event, handler)
+}
+
+export function isRawHTML (raw) {
+  const regexHtml = new RegExp('<([A-Za-z][A-Za-z0-9]*)\\b[^>]*>(.*?)</\\1>')
+  return regexHtml.test(raw)
+}

wwwroot/lib/PrintJs/html.js

@@ -0,0 +1,65 @@
+import { collectStyles, addHeader } from './functions'
+import Print from './print'
+
+export default {
+  print: (params, printFrame) => {
+    // Get the DOM printable element
+    const printElement = document.getElementById(params.printable)
+
+    // Check if the element exists
+    if (!printElement) {
+      window.console.error('Invalid HTML element id: ' + params.printable)
+      return
+    }
+
+    // Clone the target element including its children (if available)
+    params.printableElement = cloneElement(printElement, params)
+
+    // Add header
+    if (params.header) {
+      addHeader(params.printableElement, params)
+    }
+
+    // Print html element contents
+    Print.send(params, printFrame)
+  }
+}
+
+function cloneElement (element, params) {
+  // Clone the main node (if not already inside the recursion process)
+  const clone = element.cloneNode()
+
+  // Loop over and process the children elements / nodes (including text nodes)
+  const childNodesArray = Array.prototype.slice.call(element.childNodes)
+  for (let i = 0; i < childNodesArray.length; i++) {
+    // Check if we are skiping the current element
+    if (params.ignoreElements.indexOf(childNodesArray[i].id) !== -1) {
+      continue
+    }
+
+    // Clone the child element
+    const clonedChild = cloneElement(childNodesArray[i], params)
+
+    // Attach the cloned child to the cloned parent node
+    clone.appendChild(clonedChild)
+  }
+
+  // Get all styling for print element (for nodes of type element only)
+  if (params.scanStyles && element.nodeType === 1) {
+    clone.setAttribute('style', collectStyles(element, params))
+  }
+
+  // Check if the element needs any state processing (copy user input data)
+  switch (element.tagName) {
+    case 'SELECT':
+      // Copy the current selection value to its clone
+      clone.value = element.value
+      break
+    case 'CANVAS':
+      // Copy the canvas content to its clone
+      clone.getContext('2d').drawImage(element, 0, 0)
+      break
+  }
+
+  return clone
+}

wwwroot/lib/PrintJs/image.js

@@ -0,0 +1,48 @@
+import { addHeader } from './functions'
+import Print from './print'
+import Browser from './browser'
+
+export default {
+  print: (params, printFrame) => {
+    // Check if we are printing one image or multiple images
+    if (params.printable.constructor !== Array) {
+      // Create array with one image
+      params.printable = [params.printable]
+    }
+
+    // Create printable element (container)
+    params.printableElement = document.createElement('div')
+
+    // Create all image elements and append them to the printable container
+    params.printable.forEach(src => {
+      // Create the image element
+      const img = document.createElement('img')
+      img.setAttribute('style', params.imageStyle)
+
+      // Set image src with the file url
+      img.src = src
+
+      // The following block is for Firefox, which for some reason requires the image's src to be fully qualified in
+      // order to print it
+      if (Browser.isFirefox()) {
+        const fullyQualifiedSrc = img.src
+        img.src = fullyQualifiedSrc
+      }
+
+      // Create the image wrapper
+      const imageWrapper = document.createElement('div')
+
+      // Append image to the wrapper element
+      imageWrapper.appendChild(img)
+
+      // Append wrapper to the printable element
+      params.printableElement.appendChild(imageWrapper)
+    })
+
+    // Check if we are adding a print header
+    if (params.header) addHeader(params.printableElement, params)
+
+    // Print image
+    Print.send(params, printFrame)
+  }
+}

wwwroot/lib/PrintJs/init.js

@@ -0,0 +1,168 @@
+'use strict'
+
+import Browser from './browser'
+import Modal from './modal'
+import Pdf from './pdf'
+import Html from './html'
+import RawHtml from './raw-html'
+import Image from './image'
+import Json from './json'
+
+const printTypes = ['pdf', 'html', 'image', 'json', 'raw-html']
+
+export default {
+  init () {
+    const params = {
+      printable: null,
+      fallbackPrintable: null,
+      type: 'pdf',
+      header: null,
+      headerStyle: 'font-weight: 300;',
+      maxWidth: 800,
+      properties: null,
+      gridHeaderStyle: 'font-weight: bold; padding: 5px; border: 1px solid #dddddd;',
+      gridStyle: 'border: 1px solid lightgray; margin-bottom: -1px;',
+      showModal: false,
+      onError: (error) => { throw error },
+      onLoadingStart: null,
+      onLoadingEnd: null,
+      onPrintDialogClose: () => {},
+      onIncompatibleBrowser: () => {},
+      modalMessage: 'Retrieving Document...',
+      frameId: 'printJS',
+      printableElement: null,
+      documentTitle: 'Document',
+      targetStyle: ['clear', 'display', 'width', 'min-width', 'height', 'min-height', 'max-height'],
+      targetStyles: ['border', 'box', 'break', 'text-decoration'],
+      ignoreElements: [],
+      repeatTableHeader: true,
+      css: null,
+      style: null,
+      scanStyles: true,
+      base64: false,
+
+      // Deprecated
+      onPdfOpen: null,
+      font: 'TimesNewRoman',
+      font_size: '12pt',
+      honorMarginPadding: true,
+      honorColor: false,
+      imageStyle: 'max-width: 100%;'
+    }
+
+    // Check if a printable document or object was supplied
+    const args = arguments[0]
+    if (args === undefined) {
+      throw new Error('printJS expects at least 1 attribute.')
+    }
+
+    // Process parameters
+    switch (typeof args) {
+      case 'string':
+        params.printable = encodeURI(args)
+        params.fallbackPrintable = params.printable
+        params.type = arguments[1] || params.type
+        break
+      case 'object':
+        params.printable = args.printable
+        params.fallbackPrintable = typeof args.fallbackPrintable !== 'undefined' ? args.fallbackPrintable : params.printable
+        params.fallbackPrintable = params.base64 ? `data:application/pdf;base64,${params.fallbackPrintable}` : params.fallbackPrintable
+        for (var k in params) {
+          if (k === 'printable' || k === 'fallbackPrintable') continue
+
+          params[k] = typeof args[k] !== 'undefined' ? args[k] : params[k]
+        }
+        break
+      default:
+        throw new Error('Unexpected argument type! Expected "string" or "object", got ' + typeof args)
+    }
+
+    // Validate printable
+    if (!params.printable) throw new Error('Missing printable information.')
+
+    // Validate type
+    if (!params.type || typeof params.type !== 'string' || printTypes.indexOf(params.type.toLowerCase()) === -1) {
+      throw new Error('Invalid print type. Available types are: pdf, html, image and json.')
+    }
+
+    // Check if we are showing a feedback message to the user (useful for large files)
+    if (params.showModal) Modal.show(params)
+
+    // Check for a print start hook function
+    if (params.onLoadingStart) params.onLoadingStart()
+
+    // To prevent duplication and issues, remove any used printFrame from the DOM
+    const usedFrame = document.getElementById(params.frameId)
+
+    if (usedFrame) usedFrame.parentNode.removeChild(usedFrame)
+
+    // Create a new iframe for the print job
+    const printFrame = document.createElement('iframe')
+
+    if (Browser.isFirefox()) {
+      // Set the iframe to be is visible on the page (guaranteed by fixed position) but hidden using opacity 0, because
+      // this works in Firefox. The height needs to be sufficient for some part of the document other than the PDF
+      // viewer's toolbar to be visible in the page
+      printFrame.setAttribute('style', 'width: 1px; height: 100px; position: fixed; left: 0; top: 0; opacity: 0; border-width: 0; margin: 0; padding: 0')
+    } else {
+      // Hide the iframe in other browsers
+      printFrame.setAttribute('style', 'visibility: hidden; height: 0; width: 0; position: absolute; border: 0')
+    }
+
+    // Set iframe element id
+    printFrame.setAttribute('id', params.frameId)
+
+    // For non pdf printing, pass an html document string to srcdoc (force onload callback)
+    if (params.type !== 'pdf') {
+      printFrame.srcdoc = '<html><head><title>' + params.documentTitle + '</title>'
+
+      // Attach css files
+      if (params.css) {
+        // Add support for single file
+        if (!Array.isArray(params.css)) params.css = [params.css]
+
+        // Create link tags for each css file
+        params.css.forEach(file => {
+          printFrame.srcdoc += '<link rel="stylesheet" href="' + file + '">'
+        })
+      }
+
+      printFrame.srcdoc += '</head><body></body></html>'
+    }
+
+    // Check printable type
+    switch (params.type) {
+      case 'pdf':
+        // Check browser support for pdf and if not supported we will just open the pdf file instead
+        if (Browser.isIE()) {
+          try {
+            console.info('Print.js doesn\'t support PDF printing in Internet Explorer.')
+            const win = window.open(params.fallbackPrintable, '_blank')
+            win.focus()
+            params.onIncompatibleBrowser()
+          } catch (error) {
+            params.onError(error)
+          } finally {
+            // Make sure there is no loading modal opened
+            if (params.showModal) Modal.close()
+            if (params.onLoadingEnd) params.onLoadingEnd()
+          }
+        } else {
+          Pdf.print(params, printFrame)
+        }
+        break
+      case 'image':
+        Image.print(params, printFrame)
+        break
+      case 'html':
+        Html.print(params, printFrame)
+        break
+      case 'raw-html':
+        RawHtml.print(params, printFrame)
+        break
+      case 'json':
+        Json.print(params, printFrame)
+        break
+    }
+  }
+}

wwwroot/lib/PrintJs/json.js

@@ -0,0 +1,109 @@
+import { capitalizePrint, addHeader } from './functions'
+import Print from './print'
+
+export default {
+  print: (params, printFrame) => {
+    // Check if we received proper data
+    if (typeof params.printable !== 'object') {
+      throw new Error('Invalid javascript data object (JSON).')
+    }
+
+    // Validate repeatTableHeader
+    if (typeof params.repeatTableHeader !== 'boolean') {
+      throw new Error('Invalid value for repeatTableHeader attribute (JSON).')
+    }
+
+    // Validate properties
+    if (!params.properties || !Array.isArray(params.properties)) {
+      throw new Error('Invalid properties array for your JSON data.')
+    }
+
+    // We will format the property objects to keep the JSON api compatible with older releases
+    params.properties = params.properties.map(property => {
+      return {
+        field: typeof property === 'object' ? property.field : property,
+        displayName: typeof property === 'object' ? property.displayName : property,
+        columnSize: typeof property === 'object' && property.columnSize ? property.columnSize + ';' : 100 / params.properties.length + '%;'
+      }
+    })
+
+    // Create a print container element
+    params.printableElement = document.createElement('div')
+
+    // Check if we are adding a print header
+    if (params.header) {
+      addHeader(params.printableElement, params)
+    }
+
+    // Build the printable html data
+    params.printableElement.innerHTML += jsonToHTML(params)
+
+    // Print the json data
+    Print.send(params, printFrame)
+  }
+}
+
+function jsonToHTML (params) {
+  // Get the row and column data
+  const data = params.printable
+  const properties = params.properties
+
+  // Create a html table
+  let htmlData = '<table style="border-collapse: collapse; width: 100%;">'
+
+  // Check if the header should be repeated
+  if (params.repeatTableHeader) {
+    htmlData += '<thead>'
+  }
+
+  // Add the table header row
+  htmlData += '<tr>'
+
+  // Add the table header columns
+  for (let a = 0; a < properties.length; a++) {
+    htmlData += '<th style="width:' + properties[a].columnSize + ';' + params.gridHeaderStyle + '">' + capitalizePrint(properties[a].displayName) + '</th>'
+  }
+
+  // Add the closing tag for the table header row
+  htmlData += '</tr>'
+
+  // If the table header is marked as repeated, add the closing tag
+  if (params.repeatTableHeader) {
+    htmlData += '</thead>'
+  }
+
+  // Create the table body
+  htmlData += '<tbody>'
+
+  // Add the table data rows
+  for (let i = 0; i < data.length; i++) {
+    // Add the row starting tag
+    htmlData += '<tr>'
+
+    // Print selected properties only
+    for (let n = 0; n < properties.length; n++) {
+      let stringData = data[i]
+
+      // Support nested objects
+      const property = properties[n].field.split('.')
+      if (property.length > 1) {
+        for (let p = 0; p < property.length; p++) {
+          stringData = stringData[property[p]]
+        }
+      } else {
+        stringData = stringData[properties[n].field]
+      }
+
+      // Add the row contents and styles
+      htmlData += '<td style="width:' + properties[n].columnSize + params.gridStyle + '">' + stringData + '</td>'
+    }
+
+    // Add the row closing tag
+    htmlData += '</tr>'
+  }
+
+  // Add the table and body closing tags
+  htmlData += '</tbody></table>'
+
+  return htmlData
+}

wwwroot/lib/PrintJs/modal.js

@@ -0,0 +1,62 @@
+const Modal = {
+  show (params) {
+    // Build modal
+    const modalStyle = 'font-family:sans-serif; ' +
+        'display:table; ' +
+        'text-align:center; ' +
+        'font-weight:300; ' +
+        'font-size:30px; ' +
+        'left:0; top:0;' +
+        'position:fixed; ' +
+        'z-index: 9990;' +
+        'color: #0460B5; ' +
+        'width: 100%; ' +
+        'height: 100%; ' +
+        'background-color:rgba(255,255,255,.9);' +
+        'transition: opacity .3s ease;'
+
+    // Create wrapper
+    const printModal = document.createElement('div')
+    printModal.setAttribute('style', modalStyle)
+    printModal.setAttribute('id', 'printJS-Modal')
+
+    // Create content div
+    const contentDiv = document.createElement('div')
+    contentDiv.setAttribute('style', 'display:table-cell; vertical-align:middle; padding-bottom:100px;')
+
+    // Add close button (requires print.css)
+    const closeButton = document.createElement('div')
+    closeButton.setAttribute('class', 'printClose')
+    closeButton.setAttribute('id', 'printClose')
+    contentDiv.appendChild(closeButton)
+
+    // Add spinner (requires print.css)
+    const spinner = document.createElement('span')
+    spinner.setAttribute('class', 'printSpinner')
+    contentDiv.appendChild(spinner)
+
+    // Add message
+    const messageNode = document.createTextNode(params.modalMessage)
+    contentDiv.appendChild(messageNode)
+
+    // Add contentDiv to printModal
+    printModal.appendChild(contentDiv)
+
+    // Append print modal element to document body
+    document.getElementsByTagName('body')[0].appendChild(printModal)
+
+    // Add event listener to close button
+    document.getElementById('printClose').addEventListener('click', function () {
+      Modal.close()
+    })
+  },
+  close () {
+    const printModal = document.getElementById('printJS-Modal')
+
+    if (printModal) {
+      printModal.parentNode.removeChild(printModal)
+    }
+  }
+}
+
+export default Modal

wwwroot/lib/PrintJs/pdf.js

@@ -0,0 +1,57 @@
+import Print from './print'
+import { cleanUp } from './functions'
+
+export default {
+  print: (params, printFrame) => {
+    // Check if we have base64 data
+    if (params.base64) {
+      const bytesArray = Uint8Array.from(atob(params.printable), c => c.charCodeAt(0))
+      createBlobAndPrint(params, printFrame, bytesArray)
+      return
+    }
+
+    // Format pdf url
+    params.printable = /^(blob|http|\/\/)/i.test(params.printable)
+      ? params.printable
+      : window.location.origin + (params.printable.charAt(0) !== '/' ? '/' + params.printable : params.printable)
+
+    // Get the file through a http request (Preload)
+    const req = new window.XMLHttpRequest()
+    req.responseType = 'arraybuffer'
+
+    req.addEventListener('error', () => {
+      cleanUp(params)
+      params.onError(req.statusText)
+
+      // Since we don't have a pdf document available, we will stop the print job
+    })
+
+    req.addEventListener('load', () => {
+      // Check for errors
+      if ([200, 201].indexOf(req.status) === -1) {
+        cleanUp(params)
+        params.onError(req.statusText)
+
+        // Since we don't have a pdf document available, we will stop the print job
+        return
+      }
+
+      // Print requested document
+      createBlobAndPrint(params, printFrame, req.response)
+    })
+
+    req.open('GET', params.printable, true)
+    req.send()
+  }
+}
+
+function createBlobAndPrint (params, printFrame, data) {
+  // Pass response or base64 data to a blob and create a local object url
+  let localPdf = new window.Blob([data], { type: 'application/pdf' })
+  localPdf = window.URL.createObjectURL(localPdf)
+
+  // Set iframe src with pdf document url
+  printFrame.setAttribute('src', localPdf)
+
+  Print.send(params, printFrame)
+}

wwwroot/lib/PrintJs/print.js

@@ -0,0 +1,102 @@
+import Browser from './browser'
+import { cleanUp } from './functions'
+
+const Print = {
+  send: (params, printFrame) => {
+    // Append iframe element to document body
+    document.getElementsByTagName('body')[0].appendChild(printFrame)
+
+    // Get iframe element
+    const iframeElement = document.getElementById(params.frameId)
+
+    // Wait for iframe to load all content
+    iframeElement.onload = () => {
+      if (params.type === 'pdf') {
+        // Add a delay for Firefox. In my tests, 1000ms was sufficient but 100ms was not
+        if (Browser.isFirefox()) {
+          setTimeout(() => performPrint(iframeElement, params), 1000)
+        } else {
+          performPrint(iframeElement, params)
+        }
+        return
+      }
+
+      // Get iframe element document
+      let printDocument = (iframeElement.contentWindow || iframeElement.contentDocument)
+      if (printDocument.document) printDocument = printDocument.document
+
+      // Append printable element to the iframe body
+      printDocument.body.appendChild(params.printableElement)
+
+      // Add custom style
+      if (params.type !== 'pdf' && params.style) {
+        // Create style element
+        const style = document.createElement('style')
+        style.innerHTML = params.style
+
+        // Append style element to iframe's head
+        printDocument.head.appendChild(style)
+      }
+
+      // If printing images, wait for them to load inside the iframe
+      const images = printDocument.getElementsByTagName('img')
+
+      if (images.length > 0) {
+        loadIframeImages(Array.from(images)).then(() => performPrint(iframeElement, params))
+      } else {
+        performPrint(iframeElement, params)
+      }
+    }
+  }
+}
+
+function performPrint (iframeElement, params) {
+  try {
+    iframeElement.focus()
+
+    // If Edge or IE, try catch with execCommand
+    if (Browser.isEdge() || Browser.isIE()) {
+      try {
+        iframeElement.contentWindow.document.execCommand('print', false, null)
+      } catch (e) {
+        iframeElement.contentWindow.print()
+      }
+    } else {
+      // Other browsers
+      iframeElement.contentWindow.print()
+    }
+  } catch (error) {
+    params.onError(error)
+  } finally {
+    if (Browser.isFirefox()) {
+      // Move the iframe element off-screen and make it invisible
+      iframeElement.style.visibility = 'hidden'
+      iframeElement.style.left = '-1px'
+    }
+
+    cleanUp(params)
+  }
+}
+
+function loadIframeImages (images) {
+  const promises = images.map(image => {
+    if (image.src && image.src !== window.location.href) {
+      return loadIframeImage(image)
+    }
+  })
+
+  return Promise.all(promises)
+}
+
+function loadIframeImage (image) {
+  return new Promise(resolve => {
+    const pollImage = () => {
+      !image || typeof image.naturalWidth === 'undefined' || image.naturalWidth === 0 || !image.complete
+        ? setTimeout(pollImage, 500)
+        : resolve()
+    }
+    pollImage()
+  })
+}
+
+export default Print

wwwroot/lib/PrintJs/print.min.css

@@ -0,0 +1 @@
+.printModal{font-family:sans-serif;display:flex;text-align:center;font-weight:300;font-size:30px;left:0;top:0;position:absolute;color:#045fb4;width:100%;height:100%;background-color:hsla(0,0%,100%,.9)}.printClose{position:absolute;right:10px;top:10px}.printClose:before{content:"\00D7";font-family:Helvetica Neue,sans-serif;font-weight:100;line-height:1px;padding-top:.5em;display:block;font-size:2em;text-indent:1px;overflow:hidden;height:1.25em;width:1.25em;text-align:center;cursor:pointer}.printSpinner{margin-top:3px;margin-left:-40px;position:absolute;display:inline-block;width:25px;height:25px;border:2px solid #045fb4;border-radius:50%;animation:spin .75s linear infinite}.printSpinner:after,.printSpinner:before{left:-2px;top:-2px;display:none;position:absolute;content:"";width:inherit;height:inherit;border:inherit;border-radius:inherit}.printSpinner,.printSpinner:after,.printSpinner:before{display:inline-block;border-color:#045fb4 transparent transparent;animation-duration:1.2s}.printSpinner:before{transform:rotate(120deg)}.printSpinner:after{transform:rotate(240deg)}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}

wwwroot/lib/PrintJs/raw-html.js

@@ -0,0 +1,15 @@
+import Print from './print'
+
+export default {
+  print: (params, printFrame) => {
+    // Create printable element (container)
+    params.printableElement = document.createElement('div')
+    params.printableElement.setAttribute('style', 'width:100%')
+
+    // Set our raw html as the printable element inner html content
+    params.printableElement.innerHTML = params.printable
+
+    // Print html contents
+    Print.send(params, printFrame)
+  }
+}