Arrow key support signing (#1143)
* Added Arrow Key functionality for the Sign page. * Added Arrow Key functionality for the Sign page. * Adjusted step size, so it is relative to the size of the draggable * Enabled Arrow Key support also for Add-Image --------- Co-authored-by: Eric <71648843+sbplat@users.noreply.github.com>
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1 changed files with 120 additions and 50 deletions
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@ -5,74 +5,130 @@ const DraggableUtils = {
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pdfDoc: null,
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pageIndex: 0,
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documentsMap: new Map(),
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lastInteracted: null,
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init() {
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interact(".draggable-canvas")
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.draggable({
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listeners: {
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move: (event) => {
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const target = event.target;
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const x = (parseFloat(target.getAttribute("data-bs-x")) || 0) + event.dx;
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const y = (parseFloat(target.getAttribute("data-bs-y")) || 0) + event.dy;
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.draggable({
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listeners: {
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move: (event) => {
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const target = event.target;
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const x = (parseFloat(target.getAttribute("data-bs-x")) || 0)
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+ event.dx;
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const y = (parseFloat(target.getAttribute("data-bs-y")) || 0)
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+ event.dy;
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target.style.transform = `translate(${x}px, ${y}px)`;
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target.setAttribute("data-bs-x", x);
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target.setAttribute("data-bs-y", y);
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target.style.transform = `translate(${x}px, ${y}px)`;
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target.setAttribute("data-bs-x", x);
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target.setAttribute("data-bs-y", y);
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this.onInteraction(target);
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},
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this.onInteraction(target);
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//update the last interacted element
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this.lastInteracted = event.target;
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},
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})
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.resizable({
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edges: { left: true, right: true, bottom: true, top: true },
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listeners: {
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move: (event) => {
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var target = event.target;
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var x = parseFloat(target.getAttribute("data-bs-x")) || 0;
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var y = parseFloat(target.getAttribute("data-bs-y")) || 0;
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},
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})
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.resizable({
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edges: { left: true, right: true, bottom: true, top: true },
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listeners: {
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move: (event) => {
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var target = event.target;
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var x = parseFloat(target.getAttribute("data-bs-x")) || 0;
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var y = parseFloat(target.getAttribute("data-bs-y")) || 0;
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// check if control key is pressed
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if (event.ctrlKey) {
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const aspectRatio = target.offsetWidth / target.offsetHeight;
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// preserve aspect ratio
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let width = event.rect.width;
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let height = event.rect.height;
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// check if control key is pressed
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if (event.ctrlKey) {
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const aspectRatio = target.offsetWidth / target.offsetHeight;
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// preserve aspect ratio
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let width = event.rect.width;
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let height = event.rect.height;
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if (Math.abs(event.deltaRect.width) >= Math.abs(event.deltaRect.height)) {
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height = width / aspectRatio;
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} else {
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width = height * aspectRatio;
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}
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event.rect.width = width;
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event.rect.height = height;
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if (Math.abs(event.deltaRect.width) >= Math.abs(
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event.deltaRect.height)) {
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height = width / aspectRatio;
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} else {
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width = height * aspectRatio;
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}
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target.style.width = event.rect.width + "px";
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target.style.height = event.rect.height + "px";
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event.rect.width = width;
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event.rect.height = height;
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}
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// translate when resizing from top or left edges
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x += event.deltaRect.left;
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y += event.deltaRect.top;
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target.style.width = event.rect.width + "px";
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target.style.height = event.rect.height + "px";
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target.style.transform = "translate(" + x + "px," + y + "px)";
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// translate when resizing from top or left edges
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x += event.deltaRect.left;
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y += event.deltaRect.top;
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target.setAttribute("data-bs-x", x);
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target.setAttribute("data-bs-y", y);
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target.textContent = Math.round(event.rect.width) + "\u00D7" + Math.round(event.rect.height);
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target.style.transform = "translate(" + x + "px," + y + "px)";
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this.onInteraction(target);
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},
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target.setAttribute("data-bs-x", x);
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target.setAttribute("data-bs-y", y);
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target.textContent = Math.round(event.rect.width) + "\u00D7"
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+ Math.round(event.rect.height);
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this.onInteraction(target);
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},
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},
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modifiers: [
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interact.modifiers.restrictSize({
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min: { width: 5, height: 5 },
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}),
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],
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inertia: true,
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modifiers: [
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interact.modifiers.restrictSize({
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min: {width: 5, height: 5},
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}),
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],
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inertia: true,
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});
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//Arrow key Support for Add-Image and Sign pages
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if(window.location.pathname.endsWith('sign') || window.location.pathname.endsWith('add-image')) {
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window.addEventListener('keydown', (event) => {
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//Check for last interacted element
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if (!this.lastInteracted){
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return;
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}
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// Get the currently selected element
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const target = this.lastInteracted;
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// Step size relatively to the elements size
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const stepX = target.offsetWidth * 0.05;
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const stepY = target.offsetHeight * 0.05;
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// Get the current x and y coordinates
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let x = (parseFloat(target.getAttribute('data-bs-x')) || 0);
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let y = (parseFloat(target.getAttribute('data-bs-y')) || 0);
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// Check which key was pressed and update the coordinates accordingly
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switch (event.key) {
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case 'ArrowUp':
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y -= stepY;
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event.preventDefault(); // Prevent the default action
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break;
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case 'ArrowDown':
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y += stepY;
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event.preventDefault();
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break;
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case 'ArrowLeft':
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x -= stepX;
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event.preventDefault();
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break;
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case 'ArrowRight':
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x += stepX;
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event.preventDefault();
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break;
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default:
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return; // Listen only to arrow keys
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}
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// Update position
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target.style.transform = `translate(${x}px, ${y}px)`;
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target.setAttribute('data-bs-x', x);
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target.setAttribute('data-bs-y', y);
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DraggableUtils.onInteraction(target);
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});
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}
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},
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onInteraction(target) {
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this.boxDragContainer.appendChild(target);
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},
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@ -88,9 +144,18 @@ const DraggableUtils = {
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createdCanvas.setAttribute("data-bs-x", x);
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createdCanvas.setAttribute("data-bs-y", y);
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//Click element in order to enable arrow keys
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createdCanvas.addEventListener('click', () => {
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this.lastInteracted = createdCanvas;
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});
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createdCanvas.onclick = (e) => this.onInteraction(e.target);
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this.boxDragContainer.appendChild(createdCanvas);
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//Enable Arrow keys directly after the element is created
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this.lastInteracted = createdCanvas;
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return createdCanvas;
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},
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createDraggableCanvasFromUrl(dataUrl) {
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@ -134,6 +199,11 @@ const DraggableUtils = {
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},
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deleteDraggableCanvas(element) {
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if (element) {
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//Check if deleted element is the last interacted
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if (this.lastInteracted === element) {
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// If it is, set lastInteracted to null
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this.lastInteracted = null;
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}
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element.remove();
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}
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},
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