Fix: Path correction to draggable.js #2154 + little makeup (#2159)

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Ludy 2024-11-03 08:26:45 +01:00 committed by GitHub
parent cf13803fd4
commit 6f42d976f6
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@ -1,12 +1,10 @@
<!DOCTYPE html>
<html th:lang="${#locale.language}" th:dir="#{language.direction}" th:data-language="${#locale.toString()}"
xmlns:th="https://www.thymeleaf.org">
<head>
<html th:lang="${#locale.language}" th:dir="#{language.direction}" th:data-language="${#locale.toString()}" xmlns:th="https://www.thymeleaf.org">
<head>
<th:block th:insert="~{fragments/common :: head(title=#{sign.title}, header=#{sign.header})}"></th:block>
<link rel="stylesheet" th:href="@{'/css/sign.css'}">
<link rel="stylesheet" th:href="@{'/css/sign.css'}">
<th:block th:each="font : ${fonts}">
<th:block th:each="font : ${fonts}">
<style th:inline="text">
@font-face {
font-family: "[[${font.name}]]";
@ -18,429 +16,372 @@
cursive;
}
</style>
</th:block>
</th:block>
<script th:src="@{'/js/thirdParty/signature_pad.umd.min.js'}"></script>
<script th:src="@{'/js/thirdParty/interact.min.js'}"></script>
</head>
<script th:src="@{'/js/thirdParty/signature_pad.umd.min.js'}"></script>
<script th:src="@{'/js/thirdParty/interact.min.js'}"></script>
</head>
<body>
<div id="page-container">
<div id="content-wrap">
<th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>
<br><br>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-6 bg-card">
<div class="tool-header">
<span class="material-symbols-rounded tool-header-icon sign">signature</span>
<span class="tool-header-text" th:text="#{sign.header}"></span>
</div>
<body>
<div id="page-container">
<div id="content-wrap">
<th:block th:insert="~{fragments/navbar.html :: navbar}"></th:block>
<br><br>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-6 bg-card">
<div class="tool-header">
<span class="material-symbols-rounded tool-header-icon sign">signature</span>
<span class="tool-header-text" th:text="#{sign.header}"></span>
</div>
<!-- pdf selector -->
<div
th:replace="~{fragments/common :: fileSelector(name='pdf-upload', multipleInputsForSingleRequest=false, disableMultipleFiles=true, accept='application/pdf')}">
</div>
<script type="module" th:src="@{'/pdfjs-legacy/pdf.mjs'}"></script>
<script>
let currentPreviewSrc = null;
<!-- pdf selector -->
<div th:replace="~{fragments/common :: fileSelector(name='pdf-upload', multipleInputsForSingleRequest=false, disableMultipleFiles=true, accept='application/pdf')}"></div>
<script type="module" th:src="@{'/pdfjs-legacy/pdf.mjs'}"></script>
<script>
let currentPreviewSrc = null;
function toggleSignatureView() {
function toggleSignatureView() {
const gridView = document.getElementById('gridView');
const listView = document.getElementById('listView');
const gridText = document.querySelector('.grid-view-text');
const listText = document.querySelector('.list-view-text');
if (gridView.style.display !== 'none') {
gridView.style.display = 'none';
listView.style.display = 'block';
gridText.style.display = 'none';
listText.style.display = 'inline';
gridView.style.display = 'none';
listView.style.display = 'block';
gridText.style.display = 'none';
listText.style.display = 'inline';
} else {
gridView.style.display = 'block';
listView.style.display = 'none';
gridText.style.display = 'inline';
listText.style.display = 'none';
gridView.style.display = 'block';
listView.style.display = 'none';
gridText.style.display = 'inline';
listText.style.display = 'none';
}
}
function previewSignature(element) {
const src = element.dataset.src;
currentPreviewSrc = src;
// Extract filename from the data source path
const filename = element.querySelector('.signature-list-name').textContent;
// Update preview modal
const previewImage = document.getElementById('previewImage');
const previewFileName = document.getElementById('previewFileName');
previewImage.src = src;
previewFileName.textContent = filename;
const modal = new bootstrap.Modal(document.getElementById('signaturePreview'));
modal.show();
}
function addSignatureFromPreview() {
if (currentPreviewSrc) {
DraggableUtils.createDraggableCanvasFromUrl(currentPreviewSrc);
bootstrap.Modal.getInstance(document.getElementById('signaturePreview')).hide();
}
}
let originalFileName = '';
document.querySelector('input[name=pdf-upload]').addEventListener('change', async (event) => {
const file = event.target.files[0];
if (file) {
originalFileName = file.name.replace(/\.[^/.]+$/, "");
const pdfData = await file.arrayBuffer();
pdfjsLib.GlobalWorkerOptions.workerSrc = './pdfjs-legacy/pdf.worker.mjs';
const pdfDoc = await pdfjsLib.getDocument({ data: pdfData }).promise;
await DraggableUtils.renderPage(pdfDoc, 0);
document.querySelectorAll(".show-on-file-selected").forEach(el => {
el.style.cssText = '';
});
}
});
document.addEventListener("DOMContentLoaded", () => {
document.querySelectorAll(".show-on-file-selected").forEach(el => {
el.style.cssText = "display:none !important";
function previewSignature(element) {
const src = element.dataset.src;
currentPreviewSrc = src;
// Extract filename from the data source path
const filename = element.querySelector('.signature-list-name').textContent;
// Update preview modal
const previewImage = document.getElementById('previewImage');
const previewFileName = document.getElementById('previewFileName');
previewImage.src = src;
previewFileName.textContent = filename;
const modal = new bootstrap.Modal(document.getElementById('signaturePreview'));
modal.show();
}
function addSignatureFromPreview() {
if (currentPreviewSrc) {
DraggableUtils.createDraggableCanvasFromUrl(currentPreviewSrc);
bootstrap.Modal.getInstance(document.getElementById('signaturePreview')).hide();
}
}
let originalFileName = '';
document.querySelector('input[name=pdf-upload]').addEventListener('change', async (event) => {
const file = event.target.files[0];
if (file) {
originalFileName = file.name.replace(/\.[^/.]+$/, "");
const pdfData = await file.arrayBuffer();
pdfjsLib.GlobalWorkerOptions.workerSrc = './pdfjs-legacy/pdf.worker.mjs';
const pdfDoc = await pdfjsLib.getDocument({ data: pdfData }).promise;
await DraggableUtils.renderPage(pdfDoc, 0);
document.querySelectorAll(".show-on-file-selected").forEach(el => {
el.style.cssText = '';
});
}
});
});
</script>
<div class="tab-group show-on-file-selected">
<div class="tab-container" th:title="#{sign.upload}">
<div
th:replace="~{fragments/common :: fileSelector(name='image-upload', disableMultipleFiles=true, multipleInputsForSingleRequest=true, accept='image/*', inputText=#{imgPrompt})}">
</div>
<script>
const imageUpload = document.querySelector('input[name=image-upload]');
imageUpload.addEventListener('change', e => {
if (!e.target.files) return;
for (const imageFile of e.target.files) {
var reader = new FileReader();
reader.readAsDataURL(imageFile);
reader.onloadend = function (e) {
DraggableUtils.createDraggableCanvasFromUrl(e.target.result);
};
}
document.addEventListener("DOMContentLoaded", () => {
document.querySelectorAll(".show-on-file-selected").forEach(el => {
el.style.cssText = "display:none !important";
});
</script>
</div>
});
</script>
<div class="tab-container drawing-pad-container" th:title="#{sign.draw}">
<canvas id="drawing-pad-canvas"></canvas>
<br>
<button id="clear-signature" class="btn btn-outline-danger mt-2" onclick="signaturePad.clear()"
th:text="#{sign.clear}"></button>
<button id="save-signature" class="btn btn-outline-success mt-2" onclick="addDraggableFromPad()"
th:text="#{sign.add}"></button>
<script>
const signaturePadCanvas = document.getElementById('drawing-pad-canvas');
const signaturePad = new SignaturePad(signaturePadCanvas, {
minWidth: 1,
maxWidth: 2,
penColor: 'black',
});
function addDraggableFromPad() {
if (signaturePad.isEmpty()) return;
const startTime = Date.now();
const croppedDataUrl = getCroppedCanvasDataUrl(signaturePadCanvas);
console.log(Date.now() - startTime);
DraggableUtils.createDraggableCanvasFromUrl(croppedDataUrl);
}
function getCroppedCanvasDataUrl(canvas) {
let originalCtx = canvas.getContext('2d');
let originalWidth = canvas.width;
let originalHeight = canvas.height;
let imageData = originalCtx.getImageData(0, 0, originalWidth, originalHeight);
let minX = originalWidth + 1, maxX = -1, minY = originalHeight + 1, maxY = -1, x = 0, y = 0, currentPixelColorValueIndex;
for (y = 0; y < originalHeight; y++) {
for (x = 0; x < originalWidth; x++) {
currentPixelColorValueIndex = (y * originalWidth + x) * 4;
let currentPixelAlphaValue = imageData.data[currentPixelColorValueIndex + 3];
if (currentPixelAlphaValue > 0) {
if (minX > x) minX = x;
if (maxX < x) maxX = x;
if (minY > y) minY = y;
if (maxY < y) maxY = y;
}
<div class="tab-group show-on-file-selected">
<div class="tab-container" th:title="#{sign.upload}">
<div th:replace="~{fragments/common :: fileSelector(name='image-upload', disableMultipleFiles=true, multipleInputsForSingleRequest=true, accept='image/*', inputText=#{imgPrompt})}"></div>
<script>
const imageUpload = document.querySelector('input[name=image-upload]');
imageUpload.addEventListener('change', e => {
if (!e.target.files) return;
for (const imageFile of e.target.files) {
var reader = new FileReader();
reader.readAsDataURL(imageFile);
reader.onloadend = function (e) {
DraggableUtils.createDraggableCanvasFromUrl(e.target.result);
};
}
}
let croppedWidth = maxX - minX;
let croppedHeight = maxY - minY;
if (croppedWidth < 0 || croppedHeight < 0) return null;
let cuttedImageData = originalCtx.getImageData(minX, minY, croppedWidth, croppedHeight);
let croppedCanvas = document.createElement('canvas'),
croppedCtx = croppedCanvas.getContext('2d');
croppedCanvas.width = croppedWidth;
croppedCanvas.height = croppedHeight;
croppedCtx.putImageData(cuttedImageData, 0, 0);
return croppedCanvas.toDataURL();
}
function resizeCanvas() {
var ratio = Math.max(window.devicePixelRatio || 1, 1);
var additionalFactor = 10;
signaturePadCanvas.width = signaturePadCanvas.offsetWidth * ratio * additionalFactor;
signaturePadCanvas.height = signaturePadCanvas.offsetHeight * ratio * additionalFactor;
signaturePadCanvas.getContext("2d").scale(ratio * additionalFactor, ratio * additionalFactor);
signaturePad.clear();
}
new IntersectionObserver((entries, observer) => {
if (entries.some(entry => entry.intersectionRatio > 0)) {
resizeCanvas();
}
}).observe(signaturePadCanvas);
new ResizeObserver(resizeCanvas).observe(signaturePadCanvas);
</script>
</div>
<div class="tab-container" th:title="#{sign.saved}">
<div class="saved-signatures-section" th:if="${not #lists.isEmpty(signatures)}">
<!-- View Toggle Button -->
<div class="view-toggle mb-3">
<button class="btn btn-outline-secondary btn-sm" onclick="toggleSignatureView()">
<span class="material-symbols-rounded grid-view-text">view_list</span>
<span class="material-symbols-rounded list-view-text" style="display: none;">grid_view</span>
</button>
</div>
<!-- Preview Modal -->
<div class="modal fade" id="signaturePreview" tabindex="-1">
<div class="modal-dialog modal-dialog-centered">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title"><span id="previewFileName"></span></h5>
<button type="button" class="btn-close" data-bs-dismiss="modal"></button>
</div>
<div class="modal-body text-center">
<img id="previewImage" src="" alt="Signature Preview" style="max-width: 100%;">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal" th:text="#{close}"></button>
<button type="button" class="btn btn-primary" onclick="addSignatureFromPreview()" th:text="#{addToDoc}">Add to Document</button>
</div>
</div>
</div>
</div>
<!-- Grid View -->
<div id="gridView">
<!-- Personal Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Personal'])}">
<h5 th:text="#{sign.personalSigs}"></h5>
<div class="signature-grid">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Personal'}" class="signature-item">
<img th:src="@{'/api/v1/general/sign/' + ${sig.fileName}}"
th:alt="${sig.fileName}"
th:data-filename="${sig.fileName}"
style="max-width: 200px; cursor: pointer;"
onclick="DraggableUtils.createDraggableCanvasFromUrl(this.src)"/>
<div class="signature-name" th:text="${sig.fileName}"></div>
</div>
});
</script>
</div>
</div>
<!-- Shared Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Shared'])}">
<h5 th:text="#{sign.sharedSigs}"></h5>
<div class="signature-grid">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Shared'}" class="signature-item">
<img th:src="@{'/api/v1/general/sign/' + ${sig.fileName}}"
th:alt="${sig.fileName}"
th:data-filename="${sig.fileName}"
style="max-width: 200px; cursor: pointer;"
onclick="DraggableUtils.createDraggableCanvasFromUrl(this.src)"/>
<div class="signature-name" th:text="${sig.fileName}"></div>
</div>
</div>
</div>
</div>
<!-- List View (Initially Hidden) -->
<div id="listView" style="display: none;">
<!-- Personal Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Personal'])}">
<h5 th:text="#{sign.personalSigs}"></h5>
<div class="signature-list">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Personal'}"
class="signature-list-item"
th:data-src="@{'/api/v1/general/sign/' + ${sig.fileName}}"
onclick="previewSignature(this)">
<div class="signature-list-info">
<span th:text="${sig.fileName}" class="signature-list-name"></span>
</div>
</div>
</div>
</div>
<!-- Shared Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Shared'])}">
<h5 th:text="#{sign.sharedSigs}"></h5>
<div class="signature-list">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Shared'}"
class="signature-list-item"
th:data-src="@{'/api/v1/general/sign/' + ${sig.fileName}}"
onclick="previewSignature(this)">
<div class="signature-list-info">
<span th:text="${sig.fileName}" class="signature-list-name"></span>
</div>
</div>
</div>
</div>
</div>
</div>
<div th:if="${#lists.isEmpty(signatures)}" class="text-center p-3">
<p th:text="#{sign.noSavedSigs}">No saved signatures found</p>
</div>
</div>
<div class="tab-container" th:title="#{sign.text}">
<label class="form-check-label" for="sigText" th:text="#{text}"></label>
<textarea class="form-control" id="sigText" name="sigText" rows="3"></textarea>
<label th:text="#{font}"></label>
<select class="form-control" name="font" id="font-select">
<option th:each="font : ${fonts}" th:value="${font.name}" th:text="${font.name}"
th:class="${font.name.toLowerCase()+'-font'}"></option>
</select>
<div class="margin-auto-parent">
<button id="save-text-signature" class="btn btn-outline-success mt-2 margin-center"
onclick="addDraggableFromText()" th:text="#{sign.add}"></button>
</div>
<script>
function addDraggableFromText() {
const sigText = document.getElementById('sigText').value;
const font = document.querySelector('select[name=font]').value;
const fontSize = 100;
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
ctx.font = `${fontSize}px ${font}`;
const textWidth = ctx.measureText(sigText).width;
const textHeight = fontSize;
let paragraphs = sigText.split(/\r?\n/);
canvas.width = textWidth;
canvas.height = paragraphs.length * textHeight * 1.35; // for tails
ctx.font = `${fontSize}px ${font}`;
ctx.textBaseline = 'top';
let y = 0;
paragraphs.forEach(paragraph => {
ctx.fillText(paragraph, 0, y);
y += fontSize;
<div class="tab-container drawing-pad-container" th:title="#{sign.draw}">
<canvas id="drawing-pad-canvas"></canvas>
<br>
<button id="clear-signature" class="btn btn-outline-danger mt-2" onclick="signaturePad.clear()" th:text="#{sign.clear}"></button>
<button id="save-signature" class="btn btn-outline-success mt-2" onclick="addDraggableFromPad()" th:text="#{sign.add}"></button>
<script>
const signaturePadCanvas = document.getElementById('drawing-pad-canvas');
const signaturePad = new SignaturePad(signaturePadCanvas, {
minWidth: 1,
maxWidth: 2,
penColor: 'black',
});
const dataURL = canvas.toDataURL();
DraggableUtils.createDraggableCanvasFromUrl(dataURL);
}
</script>
function addDraggableFromPad() {
if (signaturePad.isEmpty()) return;
const startTime = Date.now();
const croppedDataUrl = getCroppedCanvasDataUrl(signaturePadCanvas);
console.log(Date.now() - startTime);
DraggableUtils.createDraggableCanvasFromUrl(croppedDataUrl);
}
function getCroppedCanvasDataUrl(canvas) {
let originalCtx = canvas.getContext('2d');
let originalWidth = canvas.width;
let originalHeight = canvas.height;
let imageData = originalCtx.getImageData(0, 0, originalWidth, originalHeight);
let minX = originalWidth + 1, maxX = -1, minY = originalHeight + 1, maxY = -1, x = 0, y = 0, currentPixelColorValueIndex;
for (y = 0; y < originalHeight; y++) {
for (x = 0; x < originalWidth; x++) {
currentPixelColorValueIndex = (y * originalWidth + x) * 4;
let currentPixelAlphaValue = imageData.data[currentPixelColorValueIndex + 3];
if (currentPixelAlphaValue > 0) {
if (minX > x) minX = x;
if (maxX < x) maxX = x;
if (minY > y) minY = y;
if (maxY < y) maxY = y;
}
}
}
let croppedWidth = maxX - minX;
let croppedHeight = maxY - minY;
if (croppedWidth < 0 || croppedHeight < 0) return null;
let cuttedImageData = originalCtx.getImageData(minX, minY, croppedWidth, croppedHeight);
let croppedCanvas = document.createElement('canvas'),
croppedCtx = croppedCanvas.getContext('2d');
croppedCanvas.width = croppedWidth;
croppedCanvas.height = croppedHeight;
croppedCtx.putImageData(cuttedImageData, 0, 0);
return croppedCanvas.toDataURL();
}
function resizeCanvas() {
var ratio = Math.max(window.devicePixelRatio || 1, 1);
var additionalFactor = 10;
signaturePadCanvas.width = signaturePadCanvas.offsetWidth * ratio * additionalFactor;
signaturePadCanvas.height = signaturePadCanvas.offsetHeight * ratio * additionalFactor;
signaturePadCanvas.getContext("2d").scale(ratio * additionalFactor, ratio * additionalFactor);
signaturePad.clear();
}
new IntersectionObserver((entries, observer) => {
if (entries.some(entry => entry.intersectionRatio > 0)) {
resizeCanvas();
}
}).observe(signaturePadCanvas);
new ResizeObserver(resizeCanvas).observe(signaturePadCanvas);
</script>
</div>
<div class="tab-container" th:title="#{sign.saved}">
<div class="saved-signatures-section" th:if="${not #lists.isEmpty(signatures)}">
<!-- View Toggle Button -->
<div class="view-toggle mb-3">
<button class="btn btn-outline-secondary btn-sm" onclick="toggleSignatureView()">
<span class="material-symbols-rounded grid-view-text">view_list</span>
<span class="material-symbols-rounded list-view-text" style="display: none;">grid_view</span>
</button>
</div>
<!-- Preview Modal -->
<div class="modal fade" id="signaturePreview" tabindex="-1">
<div class="modal-dialog modal-dialog-centered">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title"><span id="previewFileName"></span></h5>
<button type="button" class="btn-close" data-bs-dismiss="modal"></button>
</div>
<div class="modal-body text-center">
<img id="previewImage" src="" alt="Signature Preview" style="max-width: 100%;">
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal" th:text="#{close}"></button>
<button type="button" class="btn btn-primary" onclick="addSignatureFromPreview()" th:text="#{addToDoc}">Add to Document</button>
</div>
</div>
</div>
</div>
<!-- Grid View -->
<div id="gridView">
<!-- Personal Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Personal'])}">
<h5 th:text="#{sign.personalSigs}"></h5>
<div class="signature-grid">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Personal'}" class="signature-item">
<img th:src="@{'/api/v1/general/sign/' + ${sig.fileName}}" th:alt="${sig.fileName}" th:data-filename="${sig.fileName}" style="max-width: 200px; cursor: pointer;" onclick="DraggableUtils.createDraggableCanvasFromUrl(this.src)"/>
<div class="signature-name" th:text="${sig.fileName}"></div>
</div>
</div>
</div>
<!-- Shared Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Shared'])}">
<h5 th:text="#{sign.sharedSigs}"></h5>
<div class="signature-grid">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Shared'}" class="signature-item">
<img th:src="@{'/api/v1/general/sign/' + ${sig.fileName}}" th:alt="${sig.fileName}" th:data-filename="${sig.fileName}" style="max-width: 200px; cursor: pointer;" onclick="DraggableUtils.createDraggableCanvasFromUrl(this.src)"/>
<div class="signature-name" th:text="${sig.fileName}"></div>
</div>
</div>
</div>
</div>
<!-- List View (Initially Hidden) -->
<div id="listView" style="display: none;">
<!-- Personal Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Personal'])}">
<h5 th:text="#{sign.personalSigs}"></h5>
<div class="signature-list">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Personal'}" class="signature-list-item" th:data-src="@{'/api/v1/general/sign/' + ${sig.fileName}}" onclick="previewSignature(this)">
<div class="signature-list-info">
<span th:text="${sig.fileName}" class="signature-list-name"></span>
</div>
</div>
</div>
</div>
<!-- Shared Signatures -->
<div class="signature-category" th:if="${not #lists.isEmpty(signatures.?[category == 'Shared'])}">
<h5 th:text="#{sign.sharedSigs}"></h5>
<div class="signature-list">
<div th:each="sig : ${signatures}" th:if="${sig.category == 'Shared'}" class="signature-list-item" th:data-src="@{'/api/v1/general/sign/' + ${sig.fileName}}" onclick="previewSignature(this)">
<div class="signature-list-info">
<span th:text="${sig.fileName}" class="signature-list-name"></span>
</div>
</div>
</div>
</div>
</div>
</div>
<div th:if="${#lists.isEmpty(signatures)}" class="text-center p-3">
<p th:text="#{sign.noSavedSigs}">No saved signatures found</p>
</div>
</div>
<div class="tab-container" th:title="#{sign.text}">
<label class="form-check-label" for="sigText" th:text="#{text}"></label>
<textarea class="form-control" id="sigText" name="sigText" rows="3"></textarea>
<label th:text="#{font}"></label>
<select class="form-control" name="font" id="font-select">
<option th:each="font : ${fonts}" th:value="${font.name}" th:text="${font.name}" th:class="${font.name.toLowerCase()+'-font'}"></option>
</select>
<div class="margin-auto-parent">
<button id="save-text-signature" class="btn btn-outline-success mt-2 margin-center" onclick="addDraggableFromText()" th:text="#{sign.add}"></button>
</div>
<script>
function addDraggableFromText() {
const sigText = document.getElementById('sigText').value;
const font = document.querySelector('select[name=font]').value;
const fontSize = 100;
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
ctx.font = `${fontSize}px ${font}`;
const textWidth = ctx.measureText(sigText).width;
const textHeight = fontSize;
let paragraphs = sigText.split(/\r?\n/);
canvas.width = textWidth;
canvas.height = paragraphs.length * textHeight * 1.35; // for tails
ctx.font = `${fontSize}px ${font}`;
ctx.textBaseline = 'top';
let y = 0;
paragraphs.forEach(paragraph => {
ctx.fillText(paragraph, 0, y);
y += fontSize;
});
const dataURL = canvas.toDataURL();
DraggableUtils.createDraggableCanvasFromUrl(dataURL);
}
</script>
</div>
</div>
</div>
<!-- draggables box -->
<div id="box-drag-container" class="show-on-file-selected">
<canvas id="pdf-canvas"></canvas>
<script th:src="@{'/js/thirdParty/pdf-lib.min.js'}"></script>
<script th:src="@{'/js/draggable-utils.js'}"></script>
<div class="draggable-buttons-box ignore-rtl">
<button class="btn btn-outline-secondary"
onclick="DraggableUtils.deleteDraggableCanvas(DraggableUtils.getLastInteracted())">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-trash"
viewBox="0 0 16 16">
<path
d="M5.5 5.5A.5.5 0 0 1 6 6v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm2.5 0a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm3 .5a.5.5 0 0 0-1 0v6a.5.5 0 0 0 1 0V6Z" />
<path
d="M14.5 3a1 1 0 0 1-1 1H13v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V4h-.5a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1H6a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1h3.5a1 1 0 0 1 1 1v1ZM4.118 4 4 4.059V13a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V4.059L11.882 4H4.118ZM2.5 3h11V2h-11v1Z" />
</svg>
</button>
<button class="btn btn-outline-secondary"
onclick="document.documentElement.getAttribute('dir')==='rtl' ? DraggableUtils.incrementPage() : DraggableUtils.decrementPage()"
style="margin-left:auto">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor"
class="bi bi-chevron-left" viewBox="0 0 16 16">
<path fill-rule="evenodd"
d="M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z" />
</svg>
</button>
<button class="btn btn-outline-secondary"
onclick="document.documentElement.getAttribute('dir')==='rtl' ? DraggableUtils.decrementPage() : DraggableUtils.incrementPage()">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor"
class="bi bi-chevron-right" viewBox="0 0 16 16">
<path fill-rule="evenodd"
d="M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z" />
</svg>
</button>
<!-- draggables box -->
<div id="box-drag-container" class="show-on-file-selected">
<canvas id="pdf-canvas"></canvas>
<script th:src="@{'/js/thirdParty/pdf-lib.min.js'}"></script>
<script th:src="@{'/js/draggable-utils.js'}"></script>
<div class="draggable-buttons-box ignore-rtl">
<button class="btn btn-outline-secondary" onclick="DraggableUtils.deleteDraggableCanvas(DraggableUtils.getLastInteracted())">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-trash" viewBox="0 0 16 16">
<path d="M5.5 5.5A.5.5 0 0 1 6 6v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm2.5 0a.5.5 0 0 1 .5.5v6a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5Zm3 .5a.5.5 0 0 0-1 0v6a.5.5 0 0 0 1 0V6Z" />
<path d="M14.5 3a1 1 0 0 1-1 1H13v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V4h-.5a1 1 0 0 1-1-1V2a1 1 0 0 1 1-1H6a1 1 0 0 1 1-1h2a1 1 0 0 1 1 1h3.5a1 1 0 0 1 1 1v1ZM4.118 4 4 4.059V13a1 1 0 0 0 1 1h6a1 1 0 0 0 1-1V4.059L11.882 4H4.118ZM2.5 3h11V2h-11v1Z" />
</svg>
</button>
<button class="btn btn-outline-secondary" onclick="document.documentElement.getAttribute('dir')==='rtl' ? DraggableUtils.incrementPage() : DraggableUtils.decrementPage()" style="margin-left:auto">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-chevron-left" viewBox="0 0 16 16">
<path fill-rule="evenodd" d="M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z" />
</svg>
</button>
<button class="btn btn-outline-secondary" onclick="document.documentElement.getAttribute('dir')==='rtl' ? DraggableUtils.decrementPage() : DraggableUtils.incrementPage()">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-chevron-right" viewBox="0 0 16 16">
<path fill-rule="evenodd" d="M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z" />
</svg>
</button>
</div>
</div>
</div>
<!-- download button -->
<div class="margin-auto-parent">
<button id="download-pdf" class="btn btn-primary mb-2 show-on-file-selected margin-center"
th:text="#{downloadPdf}"></button>
</div>
<!-- download button -->
<div class="margin-auto-parent">
<button id="download-pdf" class="btn btn-primary mb-2 show-on-file-selected margin-center" th:text="#{downloadPdf}"></button>
</div>
<script>
document.getElementById("download-pdf").addEventListener('click', async () => {
const modifiedPdf = await DraggableUtils.getOverlayedPdfDocument();
const modifiedPdfBytes = await modifiedPdf.save();
const blob = new Blob([modifiedPdfBytes], { type: 'application/pdf' });
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.download = originalFileName + '_signed.pdf';
link.click();
});
</script>
<script>
document.getElementById("download-pdf").addEventListener('click', async () => {
const modifiedPdf = await DraggableUtils.getOverlayedPdfDocument();
const modifiedPdfBytes = await modifiedPdf.save();
const blob = new Blob([modifiedPdfBytes], { type: 'application/pdf' });
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.download = originalFileName + '_signed.pdf';
link.click();
});
</script>
</div>
</div>
</div>
</div>
<th:block th:insert="~{fragments/footer.html :: footer}"></th:block>
</div>
<th:block th:insert="~{fragments/footer.html :: footer}"></th:block>
</div>
<!-- Link the draggable.js file -->
<script src="/path/to/your/draggable.js"></script>
</body>
<!-- Link the draggable.js file -->
<script th:src="@{'/js/draggable.js'}"></script>
</body>
</html>