<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8"/>
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<title>Timeline | Drag & Drop</title>
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<script src="../../../dist/vis.js"></script>
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<link href="../../../dist/vis.css" rel="stylesheet" type="text/css" />
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<style type="text/css">
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li.item {
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list-style: none;
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width: 150px;
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color: #1A1A1A;
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background-color: #D5DDF6;
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border: 1px solid #97B0F8;
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border-radius: 2px;
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margin-bottom: 5px;
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padding: 5px 12px;
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}
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li.item:before {
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content: "≣";
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font-family: Arial, sans-serif;
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display: inline-block;
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font-size: inherit;
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cursor: move;
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}
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li.object-item {
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list-style: none;
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width: 150px;
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color: #1A1A1A;
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background-color: #D5DDF6;
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border: 1px solid #97B0F8;
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border-radius: 2px;
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margin-bottom: 5px;
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padding: 5px 12px;
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}
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li.object-item:before {
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content: "≣";
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font-family: Arial, sans-serif;
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display: inline-block;
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font-size: inherit;
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cursor: move;
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}
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.items-panel {
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display: flex;
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justify-content: space-around;
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}
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</style>
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</head>
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<body>
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<h1>Timeline Drag & Drop Example</h1>
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<p>For this to work, you will have to define your own <code>'dragstart'</code> eventListener on each item in your list of items (make sure that any new item added to the list is attached to this eventListener 'dragstart' handler). This 'dragstart' handler must set <code>dataTransfer</code> - notice you can set the item's information as you want this way.</p>
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<div id="mytimeline" ></div>
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<div class='items-panel'>
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<div class='side'>
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<h3>Items:</h3>
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<ul class="items">
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<li draggable="true" class="item">
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item 1 - box
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</li>
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<li draggable="true" class="item">
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item 2 - point
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</li>
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<li draggable="true" class="item">
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item 3 - range
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</li>
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<li draggable="true" class="item">
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item 3 - range - fixed times - <br>
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(start: now, end: now + 10 min)
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</li>
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</ul>
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</div>
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<div class='side'>
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<h3>Object with "target:'item'":</h3>
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<li draggable="true" class="object-item">
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object with target:'item'
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</li>
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</div>
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</div>
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<script>
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// create groups
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var numberOfGroups = 3;
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var groups = new vis.DataSet()
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for (var i = 0; i < numberOfGroups; i++) {
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groups.add({
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id: i,
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content: 'Truck ' + i
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})
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}
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// create items
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var numberOfItems = 10;
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var items = new vis.DataSet();
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var itemsPerGroup = Math.round(numberOfItems/numberOfGroups);
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for (var truck = 0; truck < numberOfGroups; truck++) {
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var date = new Date();
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for (var order = 0; order < itemsPerGroup; order++) {
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date.setHours(date.getHours() + 4 * (Math.random() < 0.2));
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var start = new Date(date);
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date.setHours(date.getHours() + 2 + Math.floor(Math.random()*4));
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var end = new Date(date);
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items.add({
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id: order + itemsPerGroup * truck,
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group: truck,
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start: start,
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end: end,
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content: 'Order ' + order
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});
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}
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}
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// specify options
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var options = {
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stack: true,
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start: new Date(),
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end: new Date(1000*60*60*24 + (new Date()).valueOf()),
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editable: true,
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orientation: 'top',
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onDropObjectOnItem: function(objectData, item, callback) {
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if (!item) { return; }
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alert('dropped object with content: "' + objectData.content + '" to item: "' + item.content + '"');
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}
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};
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// create a Timeline
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var container = document.getElementById('mytimeline');
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timeline1 = new vis.Timeline(container, items, groups, options);
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function handleDragStart(event) {
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var dragSrcEl = event.target;
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event.dataTransfer.effectAllowed = 'move';
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var itemType = event.target.innerHTML.split('-')[1].trim();
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var item = {
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id: new Date(),
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type: itemType,
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content: event.target.innerHTML.split('-')[0].trim()
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};
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var isFixedTimes = (event.target.innerHTML.split('-')[2] && event.target.innerHTML.split('-')[2].trim() == 'fixed times')
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if (isFixedTimes) {
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item.start = new Date();
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item.end = new Date(1000*60*10 + (new Date()).valueOf());
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}
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event.dataTransfer.setData("text", JSON.stringify(item));
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}
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function handleObjectItemDragStart(event) {
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var dragSrcEl = event.target;
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event.dataTransfer.effectAllowed = 'move';
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var objectItem = {
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content: 'objectItemData',
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target: 'item'
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};
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event.dataTransfer.setData("text", JSON.stringify(objectItem));
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}
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var items = document.querySelectorAll('.items .item');
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var objectItems = document.querySelectorAll('.object-item');
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for (var i = items.length - 1; i >= 0; i--) {
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var item = items[i];
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item.addEventListener('dragstart', handleDragStart.bind(this), false);
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}
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for (var i = objectItems.length - 1; i >= 0; i--) {
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var objectItem = objectItems[i];
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objectItem.addEventListener('dragstart', handleObjectItemDragStart.bind(this), false);
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}
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</script>
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</body>
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</html>
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