149 lines
5.0 KiB
HTML
149 lines
5.0 KiB
HTML
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Copyright (c) 2006-2013, JGraph Ltd
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Stylesheet example for mxGraph. This example demonstrates using
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a custom stylesheet and control points in edges, as well as
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overriding the getLabel and getTooltip function to return
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dynamic information, and making a supercall in JavaScript.
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-->
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<html>
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<head>
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<title>Stylesheet example for mxGraph</title>
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<!-- Sets the basepath for the library if not in same directory -->
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<script type="text/javascript">
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mxBasePath = '../src';
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</script>
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<!-- Loads and initializes the library -->
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<script type="text/javascript" src="../src/js/mxClient.js"></script>
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<!-- Example code -->
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<script type="text/javascript">
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// Program starts here. Creates a sample graph in the
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// DOM node with the specified ID. This function is invoked
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// from the onLoad event handler of the document (see below).
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function main(container)
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{
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// Checks if browser is supported
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if (!mxClient.isBrowserSupported())
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{
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// Displays an error message if the browser is
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// not supported.
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mxUtils.error('Browser is not supported!', 200, false);
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}
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else
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{
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// Creates the graph inside the DOM node.
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var graph = new mxGraph(container);
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// Disables basic selection and cell handling
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graph.setEnabled(false);
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// Returns a special label for edges. Note: This does
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// a supercall to use the default implementation.
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graph.getLabel = function(cell)
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{
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var label = mxGraph.prototype.getLabel.apply(this, arguments);
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if (this.getModel().isEdge(cell))
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{
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return 'Transfer '+label;
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}
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else
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{
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return label;
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}
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};
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// Installs a custom global tooltip
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graph.setTooltips(true);
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graph.getTooltip = function(state)
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{
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var cell = state.cell;
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var model = this.getModel();
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if (model.isEdge(cell))
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{
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var source = this.getLabel(model.getTerminal(cell, true));
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var target = this.getLabel(model.getTerminal(cell, false));
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return source+' -> '+target;
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}
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else
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{
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return this.getLabel(cell);
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}
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};
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// Creates the default style for vertices
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var style = [];
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style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_RECTANGLE;
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style[mxConstants.STYLE_PERIMETER] = mxPerimeter.RectanglePerimeter;
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style[mxConstants.STYLE_STROKECOLOR] = 'gray';
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style[mxConstants.STYLE_ROUNDED] = true;
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style[mxConstants.STYLE_FILLCOLOR] = '#EEEEEE';
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style[mxConstants.STYLE_GRADIENTCOLOR] = 'white';
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style[mxConstants.STYLE_FONTCOLOR] = '#774400';
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style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_CENTER;
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style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_MIDDLE;
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style[mxConstants.STYLE_FONTSIZE] = '12';
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style[mxConstants.STYLE_FONTSTYLE] = 1;
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graph.getStylesheet().putDefaultVertexStyle(style);
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// Creates the default style for edges
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style = [];
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style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_CONNECTOR;
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style[mxConstants.STYLE_STROKECOLOR] = '#6482B9';
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style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_CENTER;
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style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_MIDDLE;
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style[mxConstants.STYLE_EDGE] = mxEdgeStyle.ElbowConnector;
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style[mxConstants.STYLE_ENDARROW] = mxConstants.ARROW_CLASSIC;
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style[mxConstants.STYLE_FONTSIZE] = '10';
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graph.getStylesheet().putDefaultEdgeStyle(style);
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// Gets the default parent for inserting new cells. This
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// is normally the first child of the root (ie. layer 0).
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var parent = graph.getDefaultParent();
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// Adds cells to the model in a single step
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graph.getModel().beginUpdate();
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try
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{
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var v1 = graph.insertVertex(parent, null, 'Interval 1', 20, 20, 180, 30);
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var v2 = graph.insertVertex(parent, null, 'Interval 2', 140, 80, 280, 30);
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var v3 = graph.insertVertex(parent, null, 'Interval 3', 200, 140, 360, 30);
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var v4 = graph.insertVertex(parent, null, 'Interval 4', 480, 200, 120, 30);
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var v5 = graph.insertVertex(parent, null, 'Interval 5', 60, 260, 400, 30);
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var e1 = graph.insertEdge(parent, null, '1', v1, v2);
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e1.getGeometry().points = [{x: 160, y: 60}];
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var e2 = graph.insertEdge(parent, null, '2', v1, v5);
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e2.getGeometry().points = [{x: 80, y: 60}];
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var e3 = graph.insertEdge(parent, null, '3', v2, v3);
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e3.getGeometry().points = [{x: 280, y: 120}];
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var e4 = graph.insertEdge(parent, null, '4', v3, v4);
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e4.getGeometry().points = [{x: 500, y: 180}];
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var e5 = graph.insertEdge(parent, null, '5', v3, v5);
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e5.getGeometry().points = [{x: 380, y: 180}];
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}
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finally
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{
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// Updates the display
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graph.getModel().endUpdate();
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}
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}
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};
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</script>
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</head>
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<!-- Page passes the container for the graph to the program -->
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<body onload="main(document.getElementById('graphContainer'))">
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<!-- Creates a container for the graph with a grid wallpaper -->
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<div id="graphContainer"
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style="overflow:hidden;position:relative;width:621px;height:311px;cursor:default;">
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</div>
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</body>
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</html>
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