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mxgraph

javascript

examples

graphlayout.html

graphlayout.html 5.97 KB

<html>
<head>
	<title>Graphlayout example for mxGraph</title>

<script type="text/javascript">
		mxBasePath = '../src';
	</script>

<script type="text/javascript" src="../src/js/mxClient.js"></script>

<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 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
			{
				// Creates the graph inside the given container
				var graph = new mxGraph(container);
				
				// Disables basic selection and cell handling
				graph.setEnabled(false);
				
				// Changes the default vertex style in-place
				var style = graph.getStylesheet().getDefaultVertexStyle();
				style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_ELLIPSE;
				style[mxConstants.STYLE_PERIMETER] = mxPerimeter.EllipsePerimeter;
				style[mxConstants.STYLE_GRADIENTCOLOR] = 'white';
				style[mxConstants.STYLE_FONTSIZE] = '10';
								
				// Updates the size of the container to match
				// the size of the graph when it changes. If
				// this is commented-out, and the DIV style's
				// overflow is set to "auto", then scrollbars
				// will appear for the diagram. If overflow is
				// set to "visible", then the diagram will be
				// visible even when outside the parent DIV.
				// With the code below, the parent DIV will be
				// resized to contain the complete graph.
				//graph.setResizeContainer(true);
				
				// Larger grid size yields cleaner layout result
				graph.gridSize = 40;
				
				// Gets the default parent for inserting new cells. This
				// is normally the first child of the root (ie. layer 0).
				var parent = graph.getDefaultParent();

// Creates a layout algorithm to be used
				// with the graph
				var layout = new mxFastOrganicLayout(graph);

// Moves stuff wider apart than usual
				layout.forceConstant = 80;

// Reference to the transition checkbox
				var animate = document.getElementById('animate');
				
				// Adds a button to execute the layout
				document.body.insertBefore(mxUtils.button('Circle Layout',
					function(evt)
					{
						graph.getModel().beginUpdate();
						try
						{
							// Creates a layout algorithm to be used
							// with the graph
							var circleLayout = new mxCircleLayout(graph);
							circleLayout.execute(parent);
						}
						catch (e)
						{
							throw e;
						}
						finally
						{
							if (animate.checked)
							{
								var morph = new mxMorphing(graph);
								morph.addListener(mxEvent.DONE, function()
								{
									graph.getModel().endUpdate();
								});
								
								morph.startAnimation();
							}
							else
							{
								graph.getModel().endUpdate();
							}
						}
					}
				), document.body.firstChild);
												
				// Adds a button to execute the layout
				document.body.insertBefore(mxUtils.button('Organic Layout',
					function(evt)
					{
						graph.getModel().beginUpdate();
						try
						{
							layout.execute(parent);
						}
						catch (e)
						{
							throw e;
						}
						finally
						{
							if (animate.checked)
							{
								// Default values are 6, 1.5, 20
								var morph = new mxMorphing(graph, 10, 1.7, 20);
								morph.addListener(mxEvent.DONE, function()
								{
									graph.getModel().endUpdate();
								});
								morph.startAnimation();
							}
							else
							{
								graph.getModel().endUpdate();
							}
						}
					}
				), document.body.firstChild);

// Adds cells to the model in a single step
				graph.getModel().beginUpdate();
				var w = 30;
				var h = 30;
				try
				{
					var v1 = graph.insertVertex(parent, null, 'A', 0, 0, w, h);
					var v2 = graph.insertVertex(parent, null, 'B', 0, 0, w, h);
					var v3 = graph.insertVertex(parent, null, 'C', 0, 0, w, h);
					var v4 = graph.insertVertex(parent, null, 'D', 0, 0, w, h);
					var v5 = graph.insertVertex(parent, null, 'E', 0, 0, w, h);
					var v6 = graph.insertVertex(parent, null, 'F', 0, 0, w, h);
					var v7 = graph.insertVertex(parent, null, 'G', 0, 0, w, h);
					var v8 = graph.insertVertex(parent, null, 'H', 0, 0, w, h);
					var e1 = graph.insertEdge(parent, null, 'ab', v1, v2);
					var e2 = graph.insertEdge(parent, null, 'ac', v1, v3);
					var e3 = graph.insertEdge(parent, null, 'cd', v3, v4);
					var e4 = graph.insertEdge(parent, null, 'be', v2, v5);
					var e5 = graph.insertEdge(parent, null, 'cf', v3, v6);
					var e6 = graph.insertEdge(parent, null, 'ag', v1, v7);
					var e7 = graph.insertEdge(parent, null, 'gh', v7, v8);
					var e8 = graph.insertEdge(parent, null, 'gc', v7, v3);
					var e9 = graph.insertEdge(parent, null, 'gd', v7, v4);
					var e10 = graph.insertEdge(parent, null, 'eh', v5, v8);
					
					// Executes the layout
					layout.execute(parent);
				}
				finally
				{
					// Updates the display
					graph.getModel().endUpdate();
				}
			}
		};
	</script>
</head>

<body onload="main(document.getElementById('graphContainer'))">

<div id="graphContainer"
		style="position:relative;overflow:auto;width:821px;height:641px;background:url('editors/images/grid.gif');">
	</div>
	<br>
	<input type="checkbox" id="animate" checked="checked"/> Transitions
</body>
</html>

一键复制编辑原始数据按行查看历史

Gaudenz Alder 提交于 2014年10月03日 20:49 +08:00 . 3.1.0.0 release

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<!--
 Copyright (c) 2006-2013, JGraph Ltd

 Graphlayout example for mxGraph. This example demonstrates using
 automatic graph layouts and listening to changes of the graph size
 to keep the container size in sync.
-->
<html>
<head>
	<title>Graphlayout example for mxGraph</title>

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

	<!-- Loads and initializes the library -->
	<script type="text/javascript" src="../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 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
			{
				// Creates the graph inside the given container
				var graph = new mxGraph(container);
				
				// Disables basic selection and cell handling
				graph.setEnabled(false);
				
				// Changes the default vertex style in-place
				var style = graph.getStylesheet().getDefaultVertexStyle();
				style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_ELLIPSE;
				style[mxConstants.STYLE_PERIMETER] = mxPerimeter.EllipsePerimeter;
				style[mxConstants.STYLE_GRADIENTCOLOR] = 'white';
				style[mxConstants.STYLE_FONTSIZE] = '10';
								
				// Updates the size of the container to match
				// the size of the graph when it changes. If
				// this is commented-out, and the DIV style's
				// overflow is set to "auto", then scrollbars
				// will appear for the diagram. If overflow is
				// set to "visible", then the diagram will be
				// visible even when outside the parent DIV.
				// With the code below, the parent DIV will be
				// resized to contain the complete graph.
				//graph.setResizeContainer(true);
				
				// Larger grid size yields cleaner layout result
				graph.gridSize = 40;
				
				// Gets the default parent for inserting new cells. This
				// is normally the first child of the root (ie. layer 0).
				var parent = graph.getDefaultParent();

				// Creates a layout algorithm to be used
				// with the graph
				var layout = new mxFastOrganicLayout(graph);

				// Moves stuff wider apart than usual
				layout.forceConstant = 80;

				// Reference to the transition checkbox
				var animate = document.getElementById('animate');
				
				// Adds a button to execute the layout
				document.body.insertBefore(mxUtils.button('Circle Layout',
					function(evt)
					{
						graph.getModel().beginUpdate();
						try
						{
							// Creates a layout algorithm to be used
							// with the graph
							var circleLayout = new mxCircleLayout(graph);
							circleLayout.execute(parent);
						}
						catch (e)
						{
							throw e;
						}
						finally
						{
							if (animate.checked)
							{
								var morph = new mxMorphing(graph);
								morph.addListener(mxEvent.DONE, function()
								{
									graph.getModel().endUpdate();
								});
								
								morph.startAnimation();
							}
							else
							{
								graph.getModel().endUpdate();
							}
						}
					}
				), document.body.firstChild);
												
				// Adds a button to execute the layout
				document.body.insertBefore(mxUtils.button('Organic Layout',
					function(evt)
					{
						graph.getModel().beginUpdate();
						try
						{
							layout.execute(parent);
						}
						catch (e)
						{
							throw e;
						}
						finally
						{
							if (animate.checked)
							{
								// Default values are 6, 1.5, 20
								var morph = new mxMorphing(graph, 10, 1.7, 20);
								morph.addListener(mxEvent.DONE, function()
								{
									graph.getModel().endUpdate();
								});
								morph.startAnimation();
							}
							else
							{
								graph.getModel().endUpdate();
							}
						}
					}
				), document.body.firstChild);

				// Adds cells to the model in a single step
				graph.getModel().beginUpdate();
				var w = 30;
				var h = 30;
				try
				{
					var v1 = graph.insertVertex(parent, null, 'A', 0, 0, w, h);
					var v2 = graph.insertVertex(parent, null, 'B', 0, 0, w, h);
					var v3 = graph.insertVertex(parent, null, 'C', 0, 0, w, h);
					var v4 = graph.insertVertex(parent, null, 'D', 0, 0, w, h);
					var v5 = graph.insertVertex(parent, null, 'E', 0, 0, w, h);
					var v6 = graph.insertVertex(parent, null, 'F', 0, 0, w, h);
					var v7 = graph.insertVertex(parent, null, 'G', 0, 0, w, h);
					var v8 = graph.insertVertex(parent, null, 'H', 0, 0, w, h);
					var e1 = graph.insertEdge(parent, null, 'ab', v1, v2);
					var e2 = graph.insertEdge(parent, null, 'ac', v1, v3);
					var e3 = graph.insertEdge(parent, null, 'cd', v3, v4);
					var e4 = graph.insertEdge(parent, null, 'be', v2, v5);
					var e5 = graph.insertEdge(parent, null, 'cf', v3, v6);
					var e6 = graph.insertEdge(parent, null, 'ag', v1, v7);
					var e7 = graph.insertEdge(parent, null, 'gh', v7, v8);
					var e8 = graph.insertEdge(parent, null, 'gc', v7, v3);
					var e9 = graph.insertEdge(parent, null, 'gd', v7, v4);
					var e10 = graph.insertEdge(parent, null, 'eh', v5, v8);
					
					// Executes the layout
					layout.execute(parent);
				}
				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. Make sure to define the position
		and overflow attributes! See comments on the adding of the size-listener on line 54 ff! -->
	<div id="graphContainer"
		style="position:relative;overflow:auto;width:821px;height:641px;background:url('editors/images/grid.gif');">
	</div>
	<br>
	<input type="checkbox" id="animate" checked="checked"/> Transitions
</body>
</html>