98 lines
3.4 KiB
HTML
98 lines
3.4 KiB
HTML
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<!--
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Copyright (c) 2006-2013, JGraph Ltd
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Indicators example for mxGraph. This example demonstrates the use of
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indicators, which are small subshapes inside a parent shape, typically
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an mxLabel.
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-->
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<html>
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<head>
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<title>Indicators 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 the 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 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 given container
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var graph = new mxGraph(container);
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graph.setConnectable(true);
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new mxKeyHandler(graph);
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// Enables moving of vertex labels
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graph.vertexLabelsMovable = true;
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// Creates a style with an indicator
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var style = graph.getStylesheet().getDefaultVertexStyle();
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style[mxConstants.STYLE_SHAPE] = 'label';
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style[mxConstants.STYLE_VERTICAL_ALIGN] = 'bottom';
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style[mxConstants.STYLE_INDICATOR_SHAPE] = 'ellipse';
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style[mxConstants.STYLE_INDICATOR_WIDTH] = 34;
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style[mxConstants.STYLE_INDICATOR_HEIGHT] = 34;
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style[mxConstants.STYLE_IMAGE_VERTICAL_ALIGN] = 'top'; // indicator v-alignment
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style[mxConstants.STYLE_IMAGE_ALIGN] = 'center';
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style[mxConstants.STYLE_INDICATOR_COLOR] = 'green';
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delete style[mxConstants.STYLE_STROKECOLOR]; // transparent
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delete style[mxConstants.STYLE_FILLCOLOR]; // transparent
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// Creates a style with an indicator
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var style = graph.getStylesheet().getDefaultEdgeStyle();
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style[mxConstants.STYLE_EDGE] = mxEdgeStyle.ElbowConnector;
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style[mxConstants.STYLE_ELBOW] = mxConstants.ELBOW_VERTICAL;
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style[mxConstants.STYLE_ROUNDED] = true;
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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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graph.insertVertex(parent, null, 'Bottom Label', 80, 80, 80, 60);
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graph.insertVertex(parent, null, 'Top Label', 200, 80, 60, 60,
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'indicatorShape=actor;indicatorWidth=28;indicatorColor=blue;imageVerticalAlign=bottom;verticalAlign=top');
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graph.insertVertex(parent, null, 'Right Label', 300, 80, 120, 60,
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'indicatorShape=cloud;indicatorWidth=40;indicatorColor=#00FFFF;imageVerticalAlign=center;verticalAlign=middle;imageAlign=left;align=left;spacingLeft=44');
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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="position:absolute;top:0px;left:0px;overflow:hidden;width:100%;height:100%;">
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</div>
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</body>
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</html>
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