maxGraph/javascript/examples/editors/diagrameditor.html

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Executable File

<html>
<head>
<title>mxDraw Example</title>
<link rel="stylesheet" href="css/wordpress.css" type="text/css" media="screen" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style type="text/css" media="screen">
#page { background: url("images/draw/drawbg.jpg") repeat-y top; border: none; }
</style>
<script type="text/javascript">
mxBasePath = '../../src';
</script>
<script type="text/javascript" src="../../src/js/mxClient.js"></script>
<script type="text/javascript" src="js/mxApplication.js"></script>
<script type="text/javascript">
// Program starts here. The document.onLoad executes the
// mxApplication constructor with a given configuration.
// In the config file, the mxEditor.onInit method is
// overridden to invoke this global function as the
// last step in the editor constructor.
function onInit(editor)
{
// Crisp rendering in SVG except for connectors, actors, cylinder, ellipses
mxShape.prototype.crisp = true;
mxActor.prototype.crisp = false;
mxCylinder.prototype.crisp = false;
mxEllipse.prototype.crisp = false;
mxDoubleEllipse.prototype.crisp = false;
mxConnector.prototype.crisp = false;
// Enables guides
mxGraphHandler.prototype.guidesEnabled = true;
// Alt disables guides
mxGuide.prototype.isEnabledForEvent = function(evt)
{
return !mxEvent.isAltDown(evt);
};
// Enables snapping waypoints to terminals
mxEdgeHandler.prototype.snapToTerminals = true;
// 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);
// Enables connections in the graph and disables
// reset of zoom and translate on root change
// (ie. switch between XML and graphical mode).
editor.graph.setConnectable(true);
// Clones the source if new connection has no target
editor.graph.connectionHandler.setCreateTarget(true);
// Displays information about the session
// in the status bar
editor.addListener(mxEvent.SESSION, function(editor, evt)
{
var session = evt.getProperty('session');
if (session.connected)
{
var tstamp = new Date().toLocaleString();
editor.setStatus(tstamp+':'+
' '+session.sent+' bytes sent, '+
' '+session.received+' bytes received');
}
else
{
editor.setStatus('Not connected');
}
});
// Updates the title if the root changes
var title = document.getElementById('title');
if (title != null)
{
var f = function(sender)
{
title.innerHTML = 'mxDraw - ' + sender.getTitle();
};
editor.addListener(mxEvent.ROOT, f);
f(editor);
}
// Changes the zoom on mouseWheel events
mxEvent.addMouseWheelListener(function (evt, up)
{
if (!mxEvent.isConsumed(evt))
{
if (up)
{
editor.execute('zoomIn');
}
else
{
editor.execute('zoomOut');
}
mxEvent.consume(evt);
}
});
// Defines a new action to switch between
// XML and graphical display
var textNode = document.getElementById('xml');
var graphNode = editor.graph.container;
var sourceInput = document.getElementById('source');
sourceInput.checked = false;
var funct = function(editor)
{
if (sourceInput.checked)
{
graphNode.style.display = 'none';
textNode.style.display = 'inline';
var enc = new mxCodec();
var node = enc.encode(editor.graph.getModel());
textNode.value = mxUtils.getPrettyXml(node);
textNode.originalValue = textNode.value;
textNode.focus();
}
else
{
graphNode.style.display = '';
if (textNode.value != textNode.originalValue)
{
var doc = mxUtils.parseXml(textNode.value);
var dec = new mxCodec(doc);
dec.decode(doc.documentElement, editor.graph.getModel());
}
textNode.originalValue = null;
// Makes sure nothing is selected in IE
if (mxClient.IS_IE)
{
mxUtils.clearSelection();
}
textNode.style.display = 'none';
// Moves the focus back to the graph
textNode.blur();
editor.graph.container.focus();
}
};
editor.addAction('switchView', funct);
// Client-side code for new image export
var newExportImage = function(editor)
{
var scale = 1;
var bounds = editor.graph.getGraphBounds();
// Creates XML node to hold output
var xmlDoc = mxUtils.createXmlDocument();
var root = xmlDoc.createElement('output');
xmlDoc.appendChild(root);
// Creates interface for rendering output
var xmlCanvas = new mxXmlCanvas2D(root);
xmlCanvas.scale(scale);
xmlCanvas.translate(Math.round(-bounds.x * scale), Math.round(-bounds.y * scale));
// Renders output to interface
var imgExport = new mxImageExport();
imgExport.drawState(editor.graph.getView().getState(editor.graph.model.root), xmlCanvas);
// Puts request data together
var filename = 'export.png';
var format = 'png';
var bg = '#FFFFFF';
var w = Math.round((bounds.width + 4) * scale);
var h = Math.round((bounds.height + 4) * scale);
var xml = mxUtils.getXml(root);
// Compression is currently not used in this example
// Requires base64.js and redeflate.js
// xml = encodeURIComponent(Base64.encode(RawDeflate.deflate(xml), true));
new mxXmlRequest('/New' + editor.urlImage.substring(1), 'filename=' + filename +
'&format=' + format + '&bg=' + bg + '&w=' + w + '&h=' + h + '&xml=' +
encodeURIComponent(xml)).simulate(document, '_blank');
};
editor.addAction('newExportImage', newExportImage);
// Defines a new action to switch between
// XML and graphical display
mxEvent.addListener(sourceInput, 'click', function()
{
editor.execute('switchView');
});
// Create select actions in page
var node = document.getElementById('mainActions');
var buttons = ['group', 'delete', 'undo', 'print'];
for (var i = 0; i < buttons.length; i++)
{
var button = document.createElement('button');
mxUtils.write(button, mxResources.get(buttons[i]));
var factory = function(name)
{
return function()
{
editor.execute(name);
};
};
mxEvent.addListener(button, 'click', factory(buttons[i]));
node.appendChild(button);
}
var select = document.createElement('select');
var option = document.createElement('option');
mxUtils.writeln(option, 'More Actions...');
select.appendChild(option);
var items = ['redo', 'ungroup', 'cut', 'copy', 'paste', 'show', 'exportImage', 'newExportImage'];
for (var i=0; i<items.length; i++)
{
var option = document.createElement('option');
mxUtils.writeln(option, mxResources.get(items[i]));
option.setAttribute('value', items[i]);
select.appendChild(option);
}
mxEvent.addListener(select, 'change', function(evt)
{
if (select.selectedIndex > 0)
{
var option = select.options[select.selectedIndex];
select.selectedIndex = 0;
if (option.value != null)
{
editor.execute(option.value);
}
}
});
node.appendChild(select);
// Create select actions in page
var node = document.getElementById('selectActions');
mxUtils.write(node, 'Select: ');
mxUtils.linkAction(node, 'All', editor, 'selectAll');
mxUtils.write(node, ', ');
mxUtils.linkAction(node, 'None', editor, 'selectNone');
mxUtils.write(node, ', ');
mxUtils.linkAction(node, 'Vertices', editor, 'selectVertices');
mxUtils.write(node, ', ');
mxUtils.linkAction(node, 'Edges', editor, 'selectEdges');
// Create select actions in page
var node = document.getElementById('zoomActions');
mxUtils.write(node, 'Zoom: ');
mxUtils.linkAction(node, 'In', editor, 'zoomIn');
mxUtils.write(node, ', ');
mxUtils.linkAction(node, 'Out', editor, 'zoomOut');
mxUtils.write(node, ', ');
mxUtils.linkAction(node, 'Actual', editor, 'actualSize');
mxUtils.write(node, ', ');
mxUtils.linkAction(node, 'Fit', editor, 'fit');
}
window.onbeforeunload = function() { return mxResources.get('changesLost'); };
</script>
</head>
<body onload="new mxApplication('config/diagrameditor.xml');">
<div id="page">
<div id="header">
<div id="headerimg" style="overflow:hidden;">
<h1 id="title">mxDraw</h1>
</div>
</div>
<div id="mainActions"
style="width:100%;padding-top:8px;padding-left:24px;padding-bottom:8px;">
</div>
<div id="selectActions" style="width:100%;padding-left:54px;padding-bottom:4px;">
</div>
<table border="0" width="730px">
<tr>
<td id="toolbar" style="width:16px;padding-left:20px;" valign="top">
<!-- Toolbar Here -->
</td>
<td valign="top" style="border-width:1px;border-style:solid;border-color:black;">
<div id="graph" style="position:relative;height:480px;width:684px;overflow:hidden;cursor:default;">
<!-- Graph Here -->
<center id="splash" style="padding-top:230px;">
<img src="images/loading.gif">
</center>
</div>
<textarea id="xml" style="height:480;width:684px;display:none;border-style:none;"></textarea>
</td>
</tr>
</table>
<span style="float:right;padding-right:36px;">
<input id="source" type="checkbox"/>Source
</span>
<div id="zoomActions" style="width:100%;padding-left:54px;padding-top:4px;">
</div>
<div id="footer">
<p id="status">
<!-- Status Here -->Loading...
</p>
<br/>
</div>
</div>
</body>
</html>