improve draggable-item custom element interface
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32106b96ee
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4f6dc18162
@ -780,13 +780,16 @@ function addBootLine (container, data, before = null) {
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}
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function deleteBootLine (id) {
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const query = `#${id}`;
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const enabled = document.querySelector("#enabled");
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const disabled = document.querySelector("#disabled");
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if (enabled.getItemByID(id)) {
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enabled.deleteItemByID(id);
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const inEnabled = enabled.querySelector(query);
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const inDisabled = disabled.querySelector(query);
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if (inEnabled) {
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enabled.removeChild(inEnabled);
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}
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if (disabled.getItemByID(id)) {
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disabled.deleteItemByID(id);
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if (inDisabled) {
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disabled.removeChild(inDisabled);
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}
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}
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@ -29,13 +29,12 @@ class DraggableContainer extends HTMLElement {
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this.content.insertBefore(newNode, referenceNode);
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}
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getItemByID (nodeid) {
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return this.content.querySelector(`#${nodeid}`);
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querySelector (query) {
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return this.content.querySelector(query);
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}
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deleteItemByID (nodeid) {
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const node = this.content.querySelector(`#${nodeid}`);
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if (node) {
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removeChild (node) {
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if (node && this.content.contains(node)) {
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this.content.removeChild(node);
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return true;
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}
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@ -93,16 +92,14 @@ class DraggableItem extends HTMLElement {
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}
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});
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this.addEventListener("dragenter", (event) => {
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if (event.target.classList.contains("drop-target")) {
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event.target.classList.add("drag-over");
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event.target.borderTop = true;
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if (event.target.dropTarget) {
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event.target.dragOver = true;
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}
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event.preventDefault();
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});
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this.addEventListener("dragleave", (event) => {
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if (event.target.classList.contains("drag-over")) {
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event.target.classList.remove("drag-over");
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event.target.borderTop = false;
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if (event.target.dragOver) {
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event.target.dragOver = false;
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}
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event.preventDefault();
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});
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@ -110,17 +107,16 @@ class DraggableItem extends HTMLElement {
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event.preventDefault();
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});
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this.addEventListener("drop", (event) => {
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if (event.target.classList.contains("drag-over")) {
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event.target.classList.remove("drag-over");
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event.target.borderTop = false;
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if (event.target.dragOver) {
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event.target.dragOver = false;
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}
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if (event.target.classList.contains("drop-target")) {
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if (event.target.dropTarget) {
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const transfer = JSON.parse(event.dataTransfer.getData("application/json"));
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const item = document.createElement("draggable-item");
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item.data = transfer.data;
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item.innerHTML = transfer.content;
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item.draggable = true;
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item.classList.add("drop-target");
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item.dropTarget = true;
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item.id = transfer.id;
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item.value = transfer.data.value;
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event.target.parentElement.insertBefore(item, event.target);
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@ -138,15 +134,32 @@ class DraggableItem extends HTMLElement {
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this.content.innerHTML = innerHTML;
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}
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get borderTop () {
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return this.content.style.borderTop === "";
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get dropTarget () {
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return this.classList.contains("drop-target");
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}
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set borderTop (borderTop) {
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if (borderTop) {
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set dropTarget (dropTarget) {
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if (dropTarget) {
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this.classList.add("drop-target");
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}
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else {
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this.classList.remove("drop-target");
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}
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}
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get dragOver () {
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return this.classList.contains("drag-over");
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}
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set dragOver (dragOver) {
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if (dragOver) {
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this.classList.add("drag-over");
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// temp hover over effect
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this.content.style.borderTop = "1px dotted";
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}
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else {
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this.classList.remove("drag-over");
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// temp hover over effect
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this.content.style.borderTop = "";
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}
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}
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