mirror of https://github.com/dirtbags/moth.git
85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
// jshint asi:true
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var dragSrcEl_
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function draggableHandleDragStart(e) {
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e.target.dataset.moveId = e.timeStamp.toString()
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e.dataTransfer.effectAllowed = 'move'
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e.dataTransfer.setData('text/plain', e.target.dataset.moveId)
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// this/e.target is the source node.
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e.target.classList.add('moving')
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}
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function draggableHandleDragOver(e) {
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if (e.target.attributes.draggable) {
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e.preventDefault() // Allows us to drop.
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}
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e.dataTransfer.dropEffect = 'move'
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return false
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}
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function draggableHandleDragEnter(e) {
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let element = e.target
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if (!element.classList) {
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element = element.parentElement
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}
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element.classList.add('over')
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}
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function draggableHandleDragLeave(e) {
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// this/e.target is previous target element.
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let element = e.target
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if (!element.classList) {
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element = element.parentElement
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}
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element.classList.remove('over')
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}
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function draggableHandleDrop(e) {
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// this/e.target is current target element.
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e.preventDefault()
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let tgt = e.target
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let src = document.querySelector("[data-move-id=\"" + e.dataTransfer.getData("text/plain") + "\"]")
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// Don't do anything if we're dropping on the same column we're dragging.
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if (src == tgt) {
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return false
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}
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let tgtPrev = tgt.previousSibling
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src.replaceWith(tgt)
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tgtPrev.after(src)
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tgt.dispatchEvent(new InputEvent("input", {bubbles: true}))
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}
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function draggableHandleDragEnd(e) {
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// this/e.target is the source node.
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for (e of document.querySelectorAll("[draggable].over")) {
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e.classList.remove("over")
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}
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for (e of document.querySelectorAll("[draggable].moving")) {
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e.classList.remove("moving")
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}
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}
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function sortableInit(event) {
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for (let e of document.querySelectorAll("[draggable]")) {
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e.addEventListener('dragstart', draggableHandleDragStart)
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e.addEventListener('dragenter', draggableHandleDragEnter)
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e.addEventListener('dragover', draggableHandleDragOver)
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e.addEventListener('dragleave', draggableHandleDragLeave)
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e.addEventListener('drop', draggableHandleDrop)
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e.addEventListener('dragend', draggableHandleDragEnd)
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}
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}
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if (document.readyState === "loading") {
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document.addEventListener("DOMContentLoaded", sortableInit)
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} else {
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sortableInit()
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}
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