forked from varia/web-narrowcast
revised clean code DRAG and RESIZE library
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index.html
128
index.html
@ -81,99 +81,75 @@
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</div>
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</div>
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<!-- drag and resize library: https://interactjs.io/docs/installation#cdn-streamlined -->
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<script src="interact.min.js"></script>
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<!-- also found this other options:
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https://www.webcomponents.org/element/jifalops/drag-resize
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https://codepen.io/zz85/pen/gbOoVP -->
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<script type="text/javascript">
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<!-- BBUTTON HIDE side pannel -->
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function fside() {
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<script type="text/javascript">
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var element = document.getElementById("side");
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element.classList.toggle("sideminclicked");
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function fside() {
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}
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var element = document.getElementById("side");
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element.classList.toggle("sideminclicked");
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}
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</script>
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interact('.resize-drag')
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<!-- DRAG and RESIZE library -->
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.resizable({
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// resize from all edges and corners
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edges: { left: true, right: true, bottom: true, top: true },
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listeners: {
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<!-- source: https://interactjs.io/docs/installation#cdn-streamlined -->
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move (event) {
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<script src="interact.min.js"></script>
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var target = event.target
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<!-- script above same as https://cdnjs.cloudflare.com/ajax/libs/interact.js/1.2.6/interact.min.js -->
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var x = (parseFloat(target.getAttribute('data-x')) || 0)
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var y = (parseFloat(target.getAttribute('data-y')) || 0)
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// update the element's style
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<!-- also found this other options:
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target.style.width = event.rect.width + 'px'
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https://www.webcomponents.org/element/jifalops/drag-resize
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target.style.height = event.rect.height + 'px'
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https://codepen.io/zz85/pen/gbOoVP -->
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// translate when resizing from top or left edges
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<script>
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x += event.deltaRect.left
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interact('.resize-drag')
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y += event.deltaRect.top
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.draggable({
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onmove: window.dragMoveListener
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})
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.resizable({
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preserveAspectRatio: true,
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edges: { left: true, right: true, bottom: true, top: true }
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})
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.on('resizemove', function (event) {
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var target = event.target,
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x = (parseFloat(target.getAttribute('data-x')) || 0),
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y = (parseFloat(target.getAttribute('data-y')) || 0);
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target.style.webkitTransform = target.style.transform =
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// update the element's style
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'translate(' + x + 'px,' + y + 'px)'
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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.setAttribute('data-x', x)
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// translate when resizing from top or left edges
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target.setAttribute('data-y', y)
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x += event.deltaRect.left;
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target.textContent = Math.round(event.rect.width) + '\u00D7' + Math.round(event.rect.height)
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y += event.deltaRect.top;
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}
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},
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modifiers: [
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// keep the edges inside the parent
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interact.modifiers.restrictEdges({
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outer: 'parent'
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}),
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// minimum size
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target.style.webkitTransform = target.style.transform =
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interact.modifiers.restrictSize({
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'translate(' + x + 'px,' + y + 'px)';
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min: { width: 100, height: 50 }
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})
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],
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inertia: true
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})
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.draggable({
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listeners: { move: window.dragMoveListener },
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inertia: true,
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modifiers: [
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interact.modifiers.restrictRect({
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restriction: 'parent',
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endOnly: true
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})
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]
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})
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target.setAttribute('data-x', x);
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target.setAttribute('data-y', y);
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target.textContent = event.rect.width + '×' + event.rect.height;
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});
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function dragMoveListener (event) {
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function dragMoveListener (event) {
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var target = event.target
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var target = event.target,
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// keep the dragged position in the data-x/data-y attributes
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// keep the dragged position in the data-x/data-y attributes
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var x = (parseFloat(target.getAttribute('data-x')) || 0) + event.dx
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x = (parseFloat(target.getAttribute('data-x')) || 0) + event.dx,
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var y = (parseFloat(target.getAttribute('data-y')) || 0) + event.dy
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y = (parseFloat(target.getAttribute('data-y')) || 0) + event.dy;
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// translate the element
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// translate the element
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target.style.webkitTransform =
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target.style.webkitTransform =
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target.style.transform =
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target.style.transform =
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'translate(' + x + 'px, ' + y + 'px)'
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'translate(' + x + 'px, ' + y + 'px)';
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// update the posiion attributes
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// update the posiion attributes
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target.setAttribute('data-x', x)
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target.setAttribute('data-x', x);
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target.setAttribute('data-y', y)
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target.setAttribute('data-y', y);
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}
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}
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</script>
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reset.onclick = () => location.reload()
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window.onunload = () => {
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interact.debug().interactables.list.filter(i => {
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try {
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return document.contains(i.context())
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} catch (e) {}
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}).forEach(i => i.unset())
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}
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</script>
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</body>
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</body>
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</html>
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</html>
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