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我需要具有固定大小的矩形形状，并且必须是draggable容器，以便我可以连接它们。

我搜索了很多，但没有找到任何解决方案。

问题：单个rectangle形状（固定大小）应该dragged是容器

完整查看代码笔：https ://codepen.io/eabangalore/pen/LvzXxX

方法如下：

在此处输入图像描述

代码演示：

<!--
  $Id: helloworld.html,v 1.6 2013/10/28 08:44:54 gaudenz Exp $
  Copyright (c) 2006-2013, JGraph Ltd
  
  Hello, World! example for mxGraph. This example demonstrates using
  a DOM node to create a graph and adding vertices and edges.
-->
<html>
<head>
	<title>Hello, World! example for mxGraph</title>

	<!-- Sets the basepath for the library if not in same directory -->
	<script type="text/javascript">
		mxBasePath = 'https://jgraph.github.io/mxgraph/javascript/src';
	</script>

	<!-- Loads and initializes the library -->
	<script type="text/javascript" src="https://jgraph.github.io/mxgraph/javascript/src/js/mxClient.js"></script>

	<!-- Example code -->
	<script type="text/javascript">
		// Program starts here. Creates a sample graph in the
		// DOM node with the specified ID. This function is invoked
		// from the onLoad event handler of the document (see below).
		function main(container)
		{
			// Checks if the browser is supported
			if (!mxClient.isBrowserSupported())
			{
				// Displays an error message if the browser is not supported.
				mxUtils.error('Browser is not supported!', 200, false);
			}
			else
			{
				// Disables the built-in context menu
				mxEvent.disableContextMenu(container);
				
				// Creates the graph inside the given container
				var graph = new mxGraph(container);

				// Enables rubberband selection
				new mxRubberband(graph);
				
				// Gets the default parent for inserting new cells. This
				// is normally the first child of the root (ie. layer 0).
				var parent = graph.getDefaultParent();
								
				// Adds cells to the model in a single step
				graph.getModel().beginUpdate();
				try
				{
					var v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
					var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
					var e1 = graph.insertEdge(parent, null, '', v1, v2);
				}
				finally
				{
					// Updates the display
					graph.getModel().endUpdate();
				}
			}
		};
	</script>
</head>

<!-- Page passes the container for the graph to the program -->
<body onload="main(document.getElementById('graphContainer'))">

	<!-- Creates a container for the graph with a grid wallpaper -->
	<div id="graphContainer"
		style="position:relative;overflow:scroll;width:321px;height:241px;background:url('https://jgraph.github.io/mxgraph/javascript/examples/editors/images/grid.gif');cursor:default;">
	</div>
</body>
</html>

请帮助我提前谢谢！！！！！！！

4

2 回答 2

0

你可以尝试类似的东西

$(".rectagle").draggable({helper: 'clone'});

$("#canvas").droppable({
    accept: ".rectagle",
    drop: function(ev,ui){
        $(ui.draggable).clone().appendTo(this);
    }
});
#canvas {
    height: 100px;
    border: 1px solid lightgrey;
}
.rectagle {
    display: inline-block;
    height: 50px;
    width: 50px;
    border: 1px solid lightblue;
    text-align: center;
    background-color: lightgreen;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script src="//code.jquery.com/ui/1.11.2/jquery-ui.js"></script>
<div class="rectagle"></div>
<div id="canvas"></div>

于 2019-04-15T10:39:24.790 回答
0 
function addToolbarItem(graph, toolbar, prototype, image)
     {
        // Function that is executed when the image is dropped on
        // the graph. The cell argument points to the cell under
        // the mousepointer if there is one.
        var funct = function(graph, evt, cell)
        {
            graph.stopEditing(false);
            var pt = graph.getPointForEvent(evt);
            var vertex = graph.getModel().cloneCell(prototype);
            vertex.geometry.x = pt.x;
            vertex.geometry.y = pt.y;

            graph.setSelectionCells(graph.importCells([vertex], 0, 0, cell));
        }
        // Creates the image which is used as the drag icon (preview)
        var img = toolbar.addMode(null, image, funct);
        mxUtils.makeDraggable(img, graph, funct);
    }

试试这个例子

于 2019-05-28T16:26:47.310 回答