domplayer/assets/js/playlist.js

let initPlaylist = function() {
    
    let el = document.getElementById('playlist')

    window.playlist = new Sortable(el, {
        group: "videos",  // or { name: "...", pull: [true, false, 'clone', array], put: [true, false, array] }
        sort: true,  // sorting inside list
        delay: 0, // time in milliseconds to define when the sorting should start
        delayOnTouchOnly: false, // only delay if user is using touch
        touchStartThreshold: 0, // px, how many pixels the point should move before cancelling a delayed drag event
        store: null,  // @see Store
        animation: 150,  // ms, animation speed moving items when sorting, `0` — without animation
        easing: "cubic-bezier(1, 0, 0, 1)", // Easing for animation. Defaults to null. See https://easings.net/ for examples.
        handle: ".hand",  // Drag handle selector within list items
        // filter: ".ignore-elements",  // Selectors that do not lead to dragging (String or Function)
        preventOnFilter: true, // Call `event.preventDefault()` when triggered `filter`
        // draggable: ".item",  // Specifies which items inside the element should be draggable

        dataIdAttr: 'data-id', // HTML attribute that is used by the `toArray()` method

        ghostClass: "sortable-ghost",  // Class name for the drop placeholder
        chosenClass: "sortable-chosen",  // Class name for the chosen item
        dragClass: "sortable-drag",  // Class name for the dragging item

        swapThreshold: 1, // Threshold of the swap zone
        invertSwap: false, // Will always use inverted swap zone if set to true
        invertedSwapThreshold: 1, // Threshold of the inverted swap zone (will be set to swapThreshold value by default)
        direction: 'horizontal', // Direction of Sortable (will be detected automatically if not given)

        forceFallback: false,  // ignore the HTML5 DnD behaviour and force the fallback to kick in

        fallbackClass: "sortable-fallback",  // Class name for the cloned DOM Element when using forceFallback
        fallbackOnBody: false,  // Appends the cloned DOM Element into the Document's Body
        fallbackTolerance: 0, // Specify in pixels how far the mouse should move before it's considered as a drag.

        removeCloneOnHide: true, // Remove the clone element when it is not showing, rather than just hiding it
        emptyInsertThreshold: 5, // px, distance mouse must be from empty sortable to insert drag element into it


        setData: function (/** DataTransfer */dataTransfer, /** HTMLElement*/dragEl) {
            dataTransfer.setData('Text', dragEl.textContent); // `dataTransfer` object of HTML5 DragEvent
        },

        // Element is chosen
        onChoose: function (/**Event*/evt) {
            evt.oldIndex;  // element index within parent
        },

        // Element is unchosen
        onUnchoose: function(/**Event*/evt) {
            // same properties as onEnd
        },

        // Element dragging started
        onStart: function (/**Event*/evt) {
            evt.oldIndex;  // element index within parent
        },

        // Element dragging ended
        onEnd: function (/**Event*/evt) {
            var itemEl = evt.item;  // dragged HTMLElement
            evt.to;    // target list
            evt.from;  // previous list
            evt.oldIndex;  // element's old index within old parent
            evt.newIndex;  // element's new index within new parent
            evt.oldDraggableIndex; // element's old index within old parent, only counting draggable elements
            evt.newDraggableIndex; // element's new index within new parent, only counting draggable elements
            evt.clone // the clone element
            evt.pullMode;  // when item is in another sortable: `"clone"` if cloning, `true` if moving
        },

        // Element is dropped into the list from another list
        onAdd: function (/**Event*/evt) {
            // same properties as onEnd
            console.log("vidéo Ajouté", evt)
        },

        // Changed sorting within list
        onUpdate: function (/**Event*/evt) {
            // same properties as onEnd
            console.log("Update VidéoList", evt);
        },

        // Called by any change to the list (add / update / remove)
        onSort: function (/**Event*/evt) {
            // same properties as onEnd
        },

        // Element is removed from the list into another list
        onRemove: function (/**Event*/evt) {
            // same properties as onEnd
        },

        // Attempt to drag a filtered element
        onFilter: function (/**Event*/evt) {
            var itemEl = evt.item;  // HTMLElement receiving the `mousedown|tapstart` event.
        },

        // Event when you move an item in the list or between lists
        onMove: function (/**Event*/evt, /**Event*/originalEvent) {
            // Example: https://jsbin.com/nawahef/edit?js,output
            evt.dragged; // dragged HTMLElement
            evt.draggedRect; // DOMRect {left, top, right, bottom}
            evt.related; // HTMLElement on which have guided
            evt.relatedRect; // DOMRect
            evt.willInsertAfter; // Boolean that is true if Sortable will insert drag element after target by default
            originalEvent.clientY; // mouse position
            // return false; — for cancel
            // return -1; — insert before target
            // return 1; — insert after target
            // return true; — keep default insertion point based on the direction
            // return void; — keep default insertion point based on the direction
        },

        // Called when creating a clone of element
        onClone: function (/**Event*/evt) {
            var origEl = evt.item;
            var cloneEl = evt.clone;
        },

        // Called when dragging element changes position
        onChange: function(evt) {
            evt.newIndex // most likely why this event is used is to get the dragging element's current index
            // same properties as onEnd
            // console.log("change", evt.oldIndex, evt.newIndex);
            if (evt.oldIndex == window.curVideo) {
                window.curVideo = evt.newIndex
            }
            let currentPlaylist = window.playlist.el.getElementsByTagName("li")
                
            for (let index = 0; index < currentPlaylist.length; index++) {
                const element = currentPlaylist[index];
                element.setAttribute('index', index)
            }
        }
    });
}

export { initPlaylist };