javascript/examples/toolbar.html · opendsl/mxgraph

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mxgraph

javascript

examples

toolbar.html

toolbar.html 5.84 KB

<html>
<head>
	<title>Toolbar 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()
		{
			// Defines an icon for creating new connections in the connection handler.
			// This will automatically disable the highlighting of the source vertex.
			mxConnectionHandler.prototype.connectImage = new mxImage('images/connector.gif', 16, 16);
		
			// 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 div for the toolbar
				var tbContainer = document.createElement('div');
				tbContainer.style.position = 'absolute';
				tbContainer.style.overflow = 'hidden';
				tbContainer.style.padding = '2px';
				tbContainer.style.left = '0px';
				tbContainer.style.top = '26px';
				tbContainer.style.width = '24px';
				tbContainer.style.bottom = '0px';
				
				document.body.appendChild(tbContainer);
			
				// Creates new toolbar without event processing
				var toolbar = new mxToolbar(tbContainer);
				toolbar.enabled = false
				
				// Creates the div for the graph
				container = document.createElement('div');
				container.style.position = 'absolute';
				container.style.overflow = 'hidden';
				container.style.left = '24px';
				container.style.top = '26px';
				container.style.right = '0px';
				container.style.bottom = '0px';
				container.style.background = 'url("editors/images/grid.gif")';

// Enables new connections in the graph
				graph.setConnectable(true);
				graph.setMultigraph(false);

// Stops editing on enter or escape keypress
				var keyHandler = new mxKeyHandler(graph);
				var rubberband = new mxRubberband(graph);
				
				var addVertex = function(icon, w, h, style)
				{
					var vertex = new mxCell(null, new mxGeometry(0, 0, w, h), style);
					vertex.setVertex(true);
				
					addToolbarItem(graph, toolbar, vertex, icon);
				};
				
				addVertex('editors/images/swimlane.gif', 120, 160, 'shape=swimlane;startSize=20;');
				addVertex('editors/images/rectangle.gif', 100, 40, '');
				addVertex('editors/images/rounded.gif', 100, 40, 'shape=rounded');
				addVertex('editors/images/ellipse.gif', 40, 40, 'shape=ellipse');
				addVertex('editors/images/rhombus.gif', 40, 40, 'shape=rhombus');
				addVertex('editors/images/triangle.gif', 40, 40, 'shape=triangle');
				addVertex('editors/images/cylinder.gif', 40, 40, 'shape=cylinder');
				addVertex('editors/images/actor.gif', 30, 40, 'shape=actor');
				toolbar.addLine();
				
				var button = mxUtils.button('Create toolbar entry from selection', function(evt)
				{
					if (!graph.isSelectionEmpty())
					{
						// Creates a copy of the selection array to preserve its state
						var cells = graph.getSelectionCells();
						var bounds = graph.getView().getBounds(cells);
						
						// 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 dx = pt.x - bounds.x;
							var dy = pt.y - bounds.y;
							
							graph.setSelectionCells(graph.importCells(cells, dx, dy, cell));
						}
			
						// Creates the image which is used as the drag icon (preview)
						var img = toolbar.addMode(null, 'editors/images/outline.gif', funct);
						mxUtils.makeDraggable(img, graph, funct);
					}
				});

button.style.position = 'absolute';
				button.style.left = '2px';
				button.style.top = '2px';
				
				document.body.appendChild(button);
			}
		}

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);
		}

</script>
</head>

<body onload="main();">
</body>
</html>

Copy Edit Raw Blame History

Gaudenz Alder authored 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

 Toolbar example for mxGraph. This example demonstrates using
 existing cells as templates for creating new cells.
-->
<html>
<head>
	<title>Toolbar 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()
		{
			// Defines an icon for creating new connections in the connection handler.
			// This will automatically disable the highlighting of the source vertex.
			mxConnectionHandler.prototype.connectImage = new mxImage('images/connector.gif', 16, 16);
		
			// 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 div for the toolbar
				var tbContainer = document.createElement('div');
				tbContainer.style.position = 'absolute';
				tbContainer.style.overflow = 'hidden';
				tbContainer.style.padding = '2px';
				tbContainer.style.left = '0px';
				tbContainer.style.top = '26px';
				tbContainer.style.width = '24px';
				tbContainer.style.bottom = '0px';
				
				document.body.appendChild(tbContainer);
			
				// Creates new toolbar without event processing
				var toolbar = new mxToolbar(tbContainer);
				toolbar.enabled = false
				
				// Creates the div for the graph
				container = document.createElement('div');
				container.style.position = 'absolute';
				container.style.overflow = 'hidden';
				container.style.left = '24px';
				container.style.top = '26px';
				container.style.right = '0px';
				container.style.bottom = '0px';
				container.style.background = 'url("editors/images/grid.gif")';

				document.body.appendChild(container);
				
				// Workaround for Internet Explorer ignoring certain styles
				if (mxClient.IS_QUIRKS)
				{
					document.body.style.overflow = 'hidden';
					new mxDivResizer(tbContainer);
					new mxDivResizer(container);
				}
	
				// Creates the model and the graph inside the container
				// using the fastest rendering available on the browser
				var model = new mxGraphModel();
				var graph = new mxGraph(container, model);
				graph.dropEnabled = true;
				
				// Matches DnD inside the graph
				mxDragSource.prototype.getDropTarget = function(graph, x, y)
				{
					var cell = graph.getCellAt(x, y);
					
					if (!graph.isValidDropTarget(cell))
					{
						cell = null;
					}
					
					return cell;
				};

				// Enables new connections in the graph
				graph.setConnectable(true);
				graph.setMultigraph(false);

				// Stops editing on enter or escape keypress
				var keyHandler = new mxKeyHandler(graph);
				var rubberband = new mxRubberband(graph);
				
				var addVertex = function(icon, w, h, style)
				{
					var vertex = new mxCell(null, new mxGeometry(0, 0, w, h), style);
					vertex.setVertex(true);
				
					addToolbarItem(graph, toolbar, vertex, icon);
				};
				
				addVertex('editors/images/swimlane.gif', 120, 160, 'shape=swimlane;startSize=20;');
				addVertex('editors/images/rectangle.gif', 100, 40, '');
				addVertex('editors/images/rounded.gif', 100, 40, 'shape=rounded');
				addVertex('editors/images/ellipse.gif', 40, 40, 'shape=ellipse');
				addVertex('editors/images/rhombus.gif', 40, 40, 'shape=rhombus');
				addVertex('editors/images/triangle.gif', 40, 40, 'shape=triangle');
				addVertex('editors/images/cylinder.gif', 40, 40, 'shape=cylinder');
				addVertex('editors/images/actor.gif', 30, 40, 'shape=actor');
				toolbar.addLine();
				
				var button = mxUtils.button('Create toolbar entry from selection', function(evt)
				{
					if (!graph.isSelectionEmpty())
					{
						// Creates a copy of the selection array to preserve its state
						var cells = graph.getSelectionCells();
						var bounds = graph.getView().getBounds(cells);
						
						// 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 dx = pt.x - bounds.x;
							var dy = pt.y - bounds.y;
							
							graph.setSelectionCells(graph.importCells(cells, dx, dy, cell));
						}
			
						// Creates the image which is used as the drag icon (preview)
						var img = toolbar.addMode(null, 'editors/images/outline.gif', funct);
						mxUtils.makeDraggable(img, graph, funct);
					}
				});

				button.style.position = 'absolute';
				button.style.left = '2px';
				button.style.top = '2px';
				
				document.body.appendChild(button);
			}
		}

		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);
		}

	</script>
</head>

<!-- Calls the main function after the page has loaded. Container is dynamically created. -->
<body onload="main();">
</body>
</html>