deblan-mirror/24eme-signaturepdf
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Drag and drop

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This commit is contained in:
Vincent LAURENT 2021-10-03 23:48:54 +02:00
parent 3691f24520
commit ba3fd22677
1 changed files with 46 additions and 29 deletions
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75
public/js/app.js
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@ -52,9 +52,15 @@ loadingTask.promise.then(function(pdf) {
}
svgButton.innerHTML += '<a title="Supprimer" data-index="'+i+'" class="btn-svg-list-suppression opacity-50 link-dark position-absolute" style="right: 6px; top: 2px;"><i class="bi bi-trash"></i></a>';
svgButton.draggable = true;
svgButton.addEventListener('dragstart', function(event) {
document.getElementById(this.htmlFor).checked = true;
});
var svgImg = document.createElement('img');
svgImg.src = svg.svg;
svgImg.style = "max-width: 180px;max-height: 70px;";
svgImg.draggable = false;
svgImg.style = "max-width: 180px;max-height: 70px;cursor: grab;";
svgButton.appendChild(svgImg);
var svgContainer = document.createElement('div');
svgContainer.classList.add('d-grid');
@ -296,6 +302,32 @@ loadingTask.promise.then(function(pdf) {
}
});
var addSvgInCanvas = function(canvas, item, x, y) {
save.removeAttribute('disabled');
if(item == 'text') {
var textbox = new fabric.Textbox('Texte à modifier', {
left: x - 10,
top: y - 10,
width: 300,
fontSize: 20
});
canvas.add(textbox).setActiveObject(textbox);
textbox.enterEditing();
textbox.selectAll();
return;
}
fabric.loadSVGFromURL(item, function(objects, options) {
var svg = fabric.util.groupSVGElements(objects, options);
svg.scaleToHeight(100);
svg.top = y - (svg.getScaledHeight() / 2);
svg.left = x - (svg.getScaledWidth() / 2);
canvas.add(svg).renderAll();
});
}
for(var pageNumber = 1; pageNumber <= pdf.numPages; pageNumber++ ) {
pdf.getPage(pageNumber).then(function(page) {
var scale = 1.5;
@ -303,7 +335,7 @@ loadingTask.promise.then(function(pdf) {
var pageIndex = page.pageNumber - 1;
document.getElementById('form_pdf').insertAdjacentHTML('beforeend', '<input name="svg[' + pageIndex + ']" id="data-svg-' + pageIndex + '" type="hidden" value="" />');
document.getElementById('container-pages').insertAdjacentHTML('beforeend', '<div class="position-relative mt-2 d-inline-block"><canvas id="canvas-pdf-'+pageIndex+'" class="shadow"></canvas><div class="position-absolute top-0 start-0"><canvas id="canvas-edition-'+pageIndex+'"></canvas></div></div><div></div>');
document.getElementById('container-pages').insertAdjacentHTML('beforeend', '<div class="position-relative mt-2 d-inline-block" id="canvas-container-' + pageIndex +'"><canvas id="canvas-pdf-'+pageIndex+'" class="shadow"></canvas><div class="position-absolute top-0 start-0"><canvas id="canvas-edition-'+pageIndex+'"></canvas></div></div><div></div>');
var canvasPDF = document.getElementById('canvas-pdf-' + pageIndex);
var canvasEditionHTML = document.getElementById('canvas-edition-' + pageIndex);
@ -317,6 +349,17 @@ loadingTask.promise.then(function(pdf) {
var canvasEdition = new fabric.Canvas('canvas-edition-' + pageIndex, {'selection' : false});
document.getElementById('canvas-container-' + pageIndex).addEventListener('drop', function(event) {
var input_selected = document.querySelector('input[name="svg_2_add"]:checked');
if(!input_selected) {
return;
}
addSvgInCanvas(canvasEdition, input_selected.value, event.layerX, event.layerY);
});
canvasEdition.on('mouse:move', function(event) {
activeCanvas = this;
activeCanvasPointer = event.pointer;
@ -329,33 +372,7 @@ loadingTask.promise.then(function(pdf) {
return;
}
save.removeAttribute('disabled');
x = event.pointer.x
y = event.pointer.y
if(input_selected.value == 'text') {
var textbox = new fabric.Textbox('Texte à modifier', {
left: x - 10,
top: y - 10,
width: 300,
fontSize: 20
});
canvasEdition.add(textbox).setActiveObject(textbox);
textbox.enterEditing();
textbox.selectAll();
return;
}
fabric.loadSVGFromURL(input_selected.value, function(objects, options) {
var svg = fabric.util.groupSVGElements(objects, options);
svg.scaleToHeight(100);
svg.top = y - (svg.getScaledHeight() / 2);
svg.left = x - (svg.getScaledWidth() / 2);
canvasEdition.add(svg).renderAll();
});
addSvgInCanvas(this, input_selected.value, event.pointer.x, event.pointer.y);
});
canvasEditions.push(canvasEdition);