<!--
Copyright (c) 2006-2013, JGraph Ltd
Images example for mxGraph. This example demonstrates using
background images and images for for the label- and image-shape.
-->
<html>
<head>
<title>Images 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 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
{
// Creates the graph inside the given container
var graph = new mxGraph(container);
// Sets a background image and restricts child movement to its bounds
graph.setBackgroundImage(new mxImage('images/gradient_background.jpg', 360, 200));
graph.maximumGraphBounds = new mxRectangle(0, 0, 360, 200);
// Resizes the container but never make it bigger than the background
graph.minimumContainerSize = new mxRectangle(0, 0, 360, 200);
graph.setResizeContainer(true);
// Disables basic selection and cell handling
//graph.setEnabled(false);
configureStylesheet(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, 'First Line\nSecond Line', 20, 10, 80, 100, 'bottom');
var v1 = graph.insertVertex(parent, null, 'First Line\nSecond Line', 130, 10, 80, 100, 'top');
var v1 = graph.insertVertex(parent, null, '', 230, 10, 100, 100, 'image');
var v2 = graph.insertVertex(parent, null, 'First Line\nSecond Line', 20, 130, 140, 60, 'right');
var v2 = graph.insertVertex(parent, null, 'First Line\nSecond Line', 180, 130, 140, 60, 'left');
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
}
};
function configureStylesheet(graph)
{
var style = new Object();
style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_IMAGE;
style[mxConstants.STYLE_PERIMETER] = mxPerimeter.RectanglePerimeter;
style[mxConstants.STYLE_IMAGE] = 'images/icons48/keys.png';
style[mxConstants.STYLE_FONTCOLOR] = '#FFFFFF';
graph.getStylesheet().putCellStyle('image', style);
style = mxUtils.clone(style);
style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_LABEL;
style[mxConstants.STYLE_STROKECOLOR] = '#000000';
style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_CENTER;
style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_TOP;
style[mxConstants.STYLE_IMAGE_ALIGN] = mxConstants.ALIGN_CENTER;
style[mxConstants.STYLE_IMAGE_VERTICAL_ALIGN] = mxConstants.ALIGN_TOP;
style[mxConstants.STYLE_IMAGE] = 'images/icons48/gear.png';
style[mxConstants.STYLE_IMAGE_WIDTH] = '48';
style[mxConstants.STYLE_IMAGE_HEIGHT] = '48';
style[mxConstants.STYLE_SPACING_TOP] = '56';
style[mxConstants.STYLE_SPACING] = '8';
graph.getStylesheet().putCellStyle('bottom', style);
style = mxUtils.clone(style);
style[mxConstants.STYLE_IMAGE_VERTICAL_ALIGN] = mxConstants.ALIGN_BOTTOM;
style[mxConstants.STYLE_IMAGE] = 'images/icons48/server.png';
delete style[mxConstants.STYLE_SPACING_TOP];
graph.getStylesheet().putCellStyle('top', style);
style = mxUtils.clone(style);
style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_LEFT;
style[mxConstants.STYLE_IMAGE_ALIGN] = mxConstants.ALIGN_LEFT;
style[mxConstants.STYLE_VERTICAL_ALIGN] = mxConstants.ALIGN_MIDDLE;
style[mxConstants.STYLE_IMAGE_VERTICAL_ALIGN] = mxConstants.ALIGN_MIDDLE;
style[mxConstants.STYLE_IMAGE] = 'images/icons48/earth.png';
style[mxConstants.STYLE_SPACING_LEFT] = '55';
style[mxConstants.STYLE_SPACING] = '4';
graph.getStylesheet().putCellStyle('right', style);
style = mxUtils.clone(style);
style[mxConstants.STYLE_ALIGN] = mxConstants.ALIGN_RIGHT;
style[mxConstants.STYLE_IMAGE_ALIGN] = mxConstants.ALIGN_RIGHT;
delete style[mxConstants.STYLE_SPACING_LEFT];
style[mxConstants.STYLE_SPACING_RIGHT] = '55';
graph.getStylesheet().putCellStyle('left', style);
};
</script>
</head>
<!-- Page passes the container for the graph to the program -->
<body onload="main(document.getElementById('graphContainer'))">
<!-- Creates a container for the graph -->
<div id="graphContainer" style="position:relative;overflow:hidden;width:360px;height:200px;cursor:default;">
</div>
</body>
</html>