2012-05-21 20:32:26 +00:00
|
|
|
<!--
|
2013-06-28 19:07:06 +00:00
|
|
|
$Id: contexticons.html,v 1.4 2013/06/20 14:00:53 gaudenz Exp $
|
2012-05-21 20:32:26 +00:00
|
|
|
Copyright (c) 2006-2010, JGraph Ltd
|
|
|
|
|
|
|
|
|
|
Context icons example for mxGraph. This example demonstrates adding
|
|
|
|
|
icons to selected vertices to carry out special operations.
|
|
|
|
|
-->
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<title>Context icons 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">
|
|
|
|
|
// Defines a subclass for mxVertexHandler that adds a set of clickable
|
|
|
|
|
// icons to every selected vertex.
|
|
|
|
|
function mxVertexToolHandler(state)
|
|
|
|
|
{
|
|
|
|
|
mxVertexHandler.apply(this, arguments);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxVertexToolHandler.prototype = new mxVertexHandler();
|
|
|
|
|
mxVertexToolHandler.prototype.constructor = mxVertexToolHandler;
|
|
|
|
|
|
|
|
|
|
mxVertexToolHandler.prototype.domNode = null;
|
|
|
|
|
|
|
|
|
|
mxVertexToolHandler.prototype.init = function()
|
|
|
|
|
{
|
|
|
|
|
mxVertexHandler.prototype.init.apply(this, arguments);
|
|
|
|
|
|
|
|
|
|
// In this example we force the use of DIVs for images in IE. This
|
|
|
|
|
// handles transparency in PNG images properly in IE and fixes the
|
|
|
|
|
// problem that IE routes all mouse events for a gesture via the
|
|
|
|
|
// initial IMG node, which means the target vertices
|
|
|
|
|
this.domNode = document.createElement('div');
|
|
|
|
|
this.domNode.style.position = 'absolute';
|
|
|
|
|
this.domNode.style.whiteSpace = 'nowrap';
|
2013-05-23 16:14:48 +00:00
|
|
|
|
|
|
|
|
// Workaround for event redirection via image tag in quirks and IE8
|
|
|
|
|
function createImage(src)
|
|
|
|
|
{
|
|
|
|
|
if (mxClient.IS_IE && !mxClient.IS_SVG)
|
|
|
|
|
{
|
|
|
|
|
var img = document.createElement('div');
|
|
|
|
|
img.style.backgroundImage = 'url(' + src + ')';
|
|
|
|
|
img.style.backgroundPosition = 'center';
|
|
|
|
|
img.style.backgroundRepeat = 'no-repeat';
|
|
|
|
|
img.style.display = (mxClient.IS_QUIRKS) ? 'inline' : 'inline-block';
|
|
|
|
|
|
|
|
|
|
return img;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
return mxUtils.createImage(src);
|
|
|
|
|
}
|
|
|
|
|
};
|
2012-05-21 20:32:26 +00:00
|
|
|
|
|
|
|
|
// Delete
|
2013-05-23 16:14:48 +00:00
|
|
|
var img = createImage('images/delete2.png');
|
2012-05-21 20:32:26 +00:00
|
|
|
img.style.cursor = 'pointer';
|
|
|
|
|
img.style.width = '16px';
|
|
|
|
|
img.style.height = '16px';
|
2013-05-23 16:14:48 +00:00
|
|
|
mxEvent.addGestureListeners(img,
|
2012-05-21 20:32:26 +00:00
|
|
|
mxUtils.bind(this, function(evt)
|
|
|
|
|
{
|
|
|
|
|
// Disables dragging the image
|
|
|
|
|
mxEvent.consume(evt);
|
|
|
|
|
})
|
|
|
|
|
);
|
|
|
|
|
mxEvent.addListener(img, 'click',
|
|
|
|
|
mxUtils.bind(this, function(evt)
|
|
|
|
|
{
|
|
|
|
|
this.graph.removeCells([this.state.cell]);
|
|
|
|
|
mxEvent.consume(evt);
|
|
|
|
|
})
|
|
|
|
|
);
|
|
|
|
|
this.domNode.appendChild(img);
|
|
|
|
|
|
|
|
|
|
// Size
|
2013-05-23 16:14:48 +00:00
|
|
|
var img = createImage('images/fit_to_size.png');
|
2012-05-21 20:32:26 +00:00
|
|
|
img.style.cursor = 'se-resize';
|
|
|
|
|
img.style.width = '16px';
|
|
|
|
|
img.style.height = '16px';
|
2013-05-23 16:14:48 +00:00
|
|
|
mxEvent.addGestureListeners(img,
|
2012-05-21 20:32:26 +00:00
|
|
|
mxUtils.bind(this, function(evt)
|
|
|
|
|
{
|
|
|
|
|
this.start(mxEvent.getClientX(evt), mxEvent.getClientY(evt), 7);
|
|
|
|
|
this.graph.isMouseDown = true;
|
2013-06-28 19:07:06 +00:00
|
|
|
this.graph.isMouseTrigger = mxEvent.isMouseEvent(evt);
|
2012-05-21 20:32:26 +00:00
|
|
|
mxEvent.consume(evt);
|
|
|
|
|
})
|
|
|
|
|
);
|
|
|
|
|
this.domNode.appendChild(img);
|
|
|
|
|
|
|
|
|
|
// Move
|
2013-05-23 16:14:48 +00:00
|
|
|
var img = createImage('images/plus.png');
|
2012-05-21 20:32:26 +00:00
|
|
|
img.style.cursor = 'move';
|
|
|
|
|
img.style.width = '16px';
|
|
|
|
|
img.style.height = '16px';
|
2013-05-23 16:14:48 +00:00
|
|
|
mxEvent.addGestureListeners(img,
|
2012-05-21 20:32:26 +00:00
|
|
|
mxUtils.bind(this, function(evt)
|
|
|
|
|
{
|
|
|
|
|
this.graph.graphHandler.start(this.state.cell,
|
|
|
|
|
mxEvent.getClientX(evt), mxEvent.getClientY(evt));
|
|
|
|
|
this.graph.graphHandler.cellWasClicked = true;
|
|
|
|
|
this.graph.isMouseDown = true;
|
2013-06-28 19:07:06 +00:00
|
|
|
this.graph.isMouseTrigger = mxEvent.isMouseEvent(evt);
|
2012-05-21 20:32:26 +00:00
|
|
|
mxEvent.consume(evt);
|
|
|
|
|
})
|
|
|
|
|
);
|
|
|
|
|
this.domNode.appendChild(img);
|
|
|
|
|
|
|
|
|
|
// Connect
|
2013-05-23 16:14:48 +00:00
|
|
|
var img = createImage('images/check.png');
|
2012-05-21 20:32:26 +00:00
|
|
|
img.style.cursor = 'pointer';
|
|
|
|
|
img.style.width = '16px';
|
|
|
|
|
img.style.height = '16px';
|
2013-05-23 16:14:48 +00:00
|
|
|
mxEvent.addGestureListeners(img,
|
2012-05-21 20:32:26 +00:00
|
|
|
mxUtils.bind(this, function(evt)
|
|
|
|
|
{
|
|
|
|
|
var pt = mxUtils.convertPoint(this.graph.container,
|
|
|
|
|
mxEvent.getClientX(evt), mxEvent.getClientY(evt));
|
|
|
|
|
this.graph.connectionHandler.start(this.state, pt.x, pt.y);
|
|
|
|
|
this.graph.isMouseDown = true;
|
2013-06-28 19:07:06 +00:00
|
|
|
this.graph.isMouseTrigger = mxEvent.isMouseEvent(evt);
|
2012-05-21 20:32:26 +00:00
|
|
|
mxEvent.consume(evt);
|
|
|
|
|
})
|
|
|
|
|
);
|
|
|
|
|
this.domNode.appendChild(img);
|
|
|
|
|
|
|
|
|
|
this.graph.container.appendChild(this.domNode);
|
|
|
|
|
this.redrawTools();
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxVertexToolHandler.prototype.redraw = function()
|
|
|
|
|
{
|
|
|
|
|
mxVertexHandler.prototype.redraw.apply(this);
|
|
|
|
|
this.redrawTools();
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxVertexToolHandler.prototype.redrawTools = function()
|
|
|
|
|
{
|
|
|
|
|
if (this.state != null && this.domNode != null)
|
|
|
|
|
{
|
|
|
|
|
var dy = (mxClient.IS_VML && document.compatMode == 'CSS1Compat') ? 20 : 4;
|
|
|
|
|
this.domNode.style.left = (this.state.x + this.state.width - 56) + 'px';
|
|
|
|
|
this.domNode.style.top = (this.state.y + this.state.height + dy) + 'px';
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
mxVertexToolHandler.prototype.destroy = function(sender, me)
|
|
|
|
|
{
|
|
|
|
|
mxVertexHandler.prototype.destroy.apply(this, arguments);
|
|
|
|
|
|
|
|
|
|
if (this.domNode != null)
|
|
|
|
|
{
|
|
|
|
|
this.domNode.parentNode.removeChild(this.domNode);
|
|
|
|
|
this.domNode = null;
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// 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);
|
|
|
|
|
graph.setConnectable(true);
|
|
|
|
|
graph.connectionHandler.createTarget = true;
|
|
|
|
|
|
|
|
|
|
graph.createHandler = function(state)
|
|
|
|
|
{
|
|
|
|
|
if (state != null &&
|
|
|
|
|
this.model.isVertex(state.cell))
|
|
|
|
|
{
|
|
|
|
|
return new mxVertexToolHandler(state);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return mxGraph.prototype.createHandler.apply(this, arguments);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Uncomment the following if you want the container
|
|
|
|
|
// to fit the size of the graph
|
|
|
|
|
//graph.setResizeContainer(true);
|
|
|
|
|
|
|
|
|
|
// Enables rubberband selection
|
|
|
|
|
new mxRubberband(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, 'Hello,', 20, 20, 80, 30);
|
|
|
|
|
var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
|
|
|
|
|
var e1 = graph.insertEdge(parent, null, '', v1, v2);
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
// Updates the display
|
|
|
|
|
graph.getModel().endUpdate();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
</head>
|
|
|
|
|
|
2012-07-20 10:35:30 +00:00
|
|
|
<!-- Page passes the container for the graph to the program -->
|
2012-05-21 20:32:26 +00:00
|
|
|
<body onload="main(document.getElementById('graphContainer'))">
|
|
|
|
|
|
|
|
|
|
<!-- Creates a container for the graph with a grid wallpaper -->
|
|
|
|
|
<div id="graphContainer"
|
|
|
|
|
style="overflow:hidden;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
|
|
|
|
|
</div>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
