mirror of
https://github.com/24eme/signaturepdf.git
synced 2023-08-25 09:33:08 +02:00
242 lines
11 KiB
JavaScript
242 lines
11 KiB
JavaScript
var windowWidth = window.innerWidth;
|
|
var is_mobile = function() {
|
|
return !(window.getComputedStyle(document.getElementById('is_mobile')).display === "none");
|
|
};
|
|
var nbPagePerLine = 5;
|
|
if(is_mobile()) {
|
|
nbPagePerLine = 2;
|
|
}
|
|
var pdfjsLib = window['pdfjs-dist/build/pdf'];
|
|
pdfjsLib.GlobalWorkerOptions.workerSrc = '/vendor/pdf.worker.js?legacy';
|
|
var nbPDF = 0;
|
|
|
|
var loadPDF = async function(pdfBlob, filename, pdfIndex) {
|
|
let url = await URL.createObjectURL(pdfBlob);
|
|
|
|
let dataTransfer = new DataTransfer();
|
|
for (var i = 0; i < document.getElementById('input_pdf').files.length; i++) {
|
|
dataTransfer.items.add(document.getElementById('input_pdf').files[i]);
|
|
}
|
|
dataTransfer.items.add(new File([pdfBlob], filename, {
|
|
type: 'application/pdf'
|
|
}));
|
|
document.getElementById('input_pdf').files = dataTransfer.files;
|
|
|
|
let loadingTask = pdfjsLib.getDocument(url);
|
|
loadingTask.promise.then(function(pdf) {
|
|
for(var pageNumber = 1; pageNumber <= pdf.numPages; pageNumber++ ) {
|
|
pdf.getPage(pageNumber).then(function(page) {
|
|
let viewport = page.getViewport({scale: 1});
|
|
let scale = (document.getElementById('container-pages').clientWidth - (12*nbPagePerLine) - 12) / viewport.width / nbPagePerLine;
|
|
viewport = page.getViewport({scale: scale});
|
|
|
|
var pageIndex = page.pageNumber - 1;
|
|
|
|
document.getElementById('container-pages').insertAdjacentHTML('beforeend', '<div class="position-relative mt-0 ms-1 me-1 mb-0 d-inline-block canvas-container" id="canvas-container-' + pdfIndex + "_" + pageIndex +'" draggable="true"><canvas class="shadow-sm canvas-pdf" style="border: 2px solid transparent;"></canvas><div class="position-absolute top-50 start-50 translate-middle p-2 ps-3 pe-3 rounded-circle container-resize btn-drag"><i class="bi bi-arrows-move"></i></div><div class="position-absolute text-center w-100 pt-1 container-checkbox pb-4" style="background: rgb(255,255,255,0.8); bottom: 7px; cursor: pointer;"><div class="form-switch"><input form="form_pdf" class="form-check-input checkbox-page" role="switch" type="checkbox" checked="checked" style="cursor: pointer;" value="'+page.pageNumber+'"" /></div></div><p class="position-absolute text-center w-100 ps-2 pe-2 pb-0 mb-1 opacity-75" style="bottom: 7px; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; overflow: hidden;">Page '+page.pageNumber+' - '+filename+'</p></div>');
|
|
|
|
let canvasContainer = document.getElementById('canvas-container-' + pdfIndex + "_" + pageIndex);
|
|
canvasContainer.addEventListener('dragstart', function(e) {
|
|
this.querySelector('.container-checkbox').classList.add('d-none');
|
|
this.querySelector('.container-resize').classList.add('d-none');
|
|
this.querySelector('.canvas-pdf').classList.add('shadow-lg');
|
|
this.querySelector('.canvas-pdf').style.border = '2px dashed #777';
|
|
e.dataTransfer.setData('element', this.id);
|
|
this.style.opacity = 0.4;
|
|
document.querySelector('#container-bar').classList.add('d-none');
|
|
});
|
|
canvasContainer.addEventListener('dragend', function(e) {
|
|
this.querySelector('.container-checkbox').classList.remove('d-none');
|
|
this.querySelector('.container-resize').classList.remove('d-none');
|
|
this.querySelector('.canvas-pdf').classList.remove('shadow-lg');
|
|
this.querySelector('.canvas-pdf').style.border = '2px solid transparent';
|
|
this.style.opacity = 1;
|
|
document.querySelector('#container-bar').classList.remove('d-none');
|
|
stateCheckbox(this.querySelector('input[type=checkbox]'));
|
|
});
|
|
canvasContainer.addEventListener('dragover', function(e) {
|
|
if (e.preventDefault) {
|
|
e.preventDefault();
|
|
}
|
|
if(e.layerX > e.target.clientWidth / 2) {
|
|
this.insertAdjacentElement('beforebegin', document.querySelector('#'+e.dataTransfer.getData('element')));
|
|
} else {
|
|
this.insertAdjacentElement('afterend', document.querySelector('#'+e.dataTransfer.getData('element')));
|
|
}
|
|
|
|
return false;
|
|
});
|
|
|
|
canvasContainer.querySelector('input[type=checkbox]').addEventListener('click', function(e) {
|
|
e.stopPropagation();
|
|
});
|
|
canvasContainer.querySelector('input[type=checkbox]').addEventListener('change', function(e) {
|
|
stateCheckbox(this);
|
|
stateCheckboxAll();
|
|
});
|
|
canvasContainer.addEventListener('click', function(e) {
|
|
let checkbox = this.querySelector('input[type=checkbox]');
|
|
checkbox.checked = !checkbox.checked;
|
|
stateCheckbox(checkbox);
|
|
stateCheckboxAll();
|
|
});
|
|
|
|
var canvasPDF = canvasContainer.querySelector('.canvas-pdf');
|
|
|
|
// Prepare canvas using PDF page dimensions
|
|
var context = canvasPDF.getContext('2d');
|
|
canvasPDF.height = viewport.height;
|
|
canvasPDF.width = viewport.width;
|
|
|
|
var renderContext = {
|
|
canvasContext: context,
|
|
viewport: viewport,
|
|
enhanceTextSelection: true
|
|
};
|
|
page.render(renderContext);
|
|
});
|
|
}
|
|
}, function (reason) {
|
|
console.error(reason);
|
|
});
|
|
};
|
|
|
|
var stateCheckbox = function(checkbox) {
|
|
let checkboxContainer = checkbox.parentNode.parentNode.parentNode;
|
|
|
|
if(checkbox.checked) {
|
|
checkboxContainer.querySelector('.canvas-pdf').style.opacity = '1';
|
|
checkboxContainer.querySelector('.canvas-pdf').style.cursor = 'inherit';
|
|
checkboxContainer.querySelector('.container-resize').classList.remove('d-none');
|
|
checkboxContainer.querySelector('.container-checkbox').style.background = 'rgb(255,255,255,0.8)';
|
|
} else {
|
|
checkboxContainer.querySelector('.canvas-pdf').style.opacity = '0.3';
|
|
checkboxContainer.querySelector('.canvas-pdf').style.cursor = 'pointer';
|
|
checkboxContainer.querySelector('.container-resize').classList.add('d-none');
|
|
checkboxContainer.querySelector('.container-checkbox').style.background = 'transparent';
|
|
}
|
|
};
|
|
|
|
var stateCheckboxAll = function() {
|
|
document.querySelector('#checkbox_all_pages').checked = (document.querySelectorAll('.checkbox-page:checked').length == document.querySelectorAll('.checkbox-page').length);
|
|
};
|
|
|
|
var createEventsListener = function() {
|
|
document.querySelector('#checkbox_all_pages').addEventListener('change', function() {
|
|
let checkboxAll = this;
|
|
document.querySelectorAll('.checkbox-page').forEach(function(checkbox) {
|
|
checkbox.checked = checkboxAll.checked;
|
|
stateCheckbox(checkbox);
|
|
});
|
|
});
|
|
document.getElementById('save').addEventListener('click', function(event) {
|
|
let order = [];
|
|
document.querySelectorAll('.checkbox-page').forEach(function(checkbox) {
|
|
if(checkbox.checked) {
|
|
order.push(checkbox.value);
|
|
}
|
|
});
|
|
document.querySelector('#input_pages').value = order.join(',');
|
|
});
|
|
document.getElementById('input_pdf_upload_2').addEventListener('change', async function(event) {
|
|
if(this.files[0].size > maxSize) {
|
|
|
|
alert("Le PDF ne doit pas dépasser " + Math.round(maxSize/1024/1024) + " Mo");
|
|
this.value = "";
|
|
return;
|
|
}
|
|
const cache = await caches.open('pdf');
|
|
let filename = this.files[0].name;
|
|
let response = new Response(this.files[0], { "status" : 200, "statusText" : "OK" });
|
|
let urlPdf = '/pdf/'+filename;
|
|
await cache.put(urlPdf, response);
|
|
let pdfBlob = await getPDFBlobFromCache(urlPdf);
|
|
nbPDF++;
|
|
loadPDF(pdfBlob, filename, nbPDF);
|
|
this.value = '';
|
|
});
|
|
}
|
|
|
|
async function getPDFBlobFromCache(cacheUrl) {
|
|
const cache = await caches.open('pdf');
|
|
let responsePdf = await cache.match(cacheUrl);
|
|
|
|
if(!responsePdf) {
|
|
return null;
|
|
}
|
|
|
|
let pdfBlob = await responsePdf.blob();
|
|
|
|
return pdfBlob;
|
|
}
|
|
|
|
async function uploadFromUrl(url) {
|
|
history.replaceState({}, '', '/organization');
|
|
var response = await fetch(url);
|
|
if(response.status != 200) {
|
|
return;
|
|
}
|
|
var pdfBlob = await response.blob();
|
|
|
|
if(pdfBlob.type != 'application/pdf' && pdfBlob.type != 'application/octet-stream') {
|
|
return;
|
|
}
|
|
let dataTransfer = new DataTransfer();
|
|
let filename = url.replace(/^.*\//, '');
|
|
dataTransfer.items.add(new File([pdfBlob], filename, {
|
|
type: 'application/pdf'
|
|
}));
|
|
document.getElementById('input_pdf_upload').files = dataTransfer.files;
|
|
document.getElementById('input_pdf_upload').dispatchEvent(new Event("change"));
|
|
}
|
|
|
|
var pageUpload = async function() {
|
|
document.getElementById('input_pdf_upload').value = '';
|
|
document.getElementById('page-upload').classList.remove('d-none');
|
|
document.getElementById('page-organization').classList.add('d-none');
|
|
document.getElementById('input_pdf_upload').focus();
|
|
const cache = await caches.open('pdf');
|
|
document.getElementById('input_pdf_upload').addEventListener('change', async function(event) {
|
|
if(document.getElementById('input_pdf_upload').files[0].size > maxSize) {
|
|
|
|
alert("Le PDF ne doit pas dépasser " + Math.round(maxSize/1024/1024) + " Mo");
|
|
document.getElementById('input_pdf_upload').value = "";
|
|
return;
|
|
}
|
|
let filename = document.getElementById('input_pdf_upload').files[0].name;
|
|
let response = new Response(document.getElementById('input_pdf_upload').files[0], { "status" : 200, "statusText" : "OK" });
|
|
let urlPdf = '/pdf/'+filename;
|
|
await cache.put(urlPdf, response);
|
|
history.pushState({}, '', '/organization#'+filename);
|
|
pageOrganization(urlPdf)
|
|
});
|
|
}
|
|
|
|
var pageOrganization = async function(url) {
|
|
let filename = url.replace('/pdf/', '');
|
|
document.title = filename + ' - ' + document.title;
|
|
document.getElementById('page-upload').classList.add('d-none');
|
|
document.getElementById('page-organization').classList.remove('d-none');
|
|
|
|
let pdfBlob = await getPDFBlobFromCache(url);
|
|
if(!pdfBlob) {
|
|
document.location = '/organization';
|
|
return;
|
|
}
|
|
createEventsListener();
|
|
loadPDF(pdfBlob, filename, nbPDF);
|
|
};
|
|
|
|
(function () {
|
|
if(window.location.hash && window.location.hash.match(/^\#http/)) {
|
|
let hashUrl = window.location.hash.replace(/^\#/, '');
|
|
pageUpload();
|
|
uploadFromUrl(hashUrl);
|
|
} else if(window.location.hash) {
|
|
pageOrganization('/pdf/'+window.location.hash.replace(/^\#/, ''));
|
|
} else {
|
|
pageUpload();
|
|
}
|
|
window.addEventListener('hashchange', function() {
|
|
window.location.reload();
|
|
})
|
|
})(); |