-
Notifications
You must be signed in to change notification settings - Fork 4
/
orthogonal.html
147 lines (123 loc) · 4.96 KB
/
orthogonal.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
<!--
Copyright (c) 2006-2013, JGraph Ltd
Orthogonal example for mxGraph. This example demonstrates the use
of port constraints and orthogonal edge styles and handlers.
-->
<html>
<head>
<title>Orthogonal 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
{
// 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;
// Enables orthogonal connect preview in IE
mxConnectionHandler.prototype.movePreviewAway = false;
// Creates the graph inside the given container
var graph = new mxGraph(container);
graph.disconnectOnMove = false;
graph.foldingEnabled = false;
graph.cellsResizable = false;
graph.extendParents = false;
graph.setConnectable(true);
// Implements perimeter-less connection points as fixed points (computed before the edge style).
graph.view.updateFixedTerminalPoint = function(edge, terminal, source, constraint)
{
mxGraphView.prototype.updateFixedTerminalPoint.apply(this, arguments);
var pts = edge.absolutePoints;
var pt = pts[(source) ? 0 : pts.length - 1];
if (terminal != null && pt == null && this.getPerimeterFunction(terminal) == null)
{
edge.setAbsoluteTerminalPoint(new mxPoint(this.getRoutingCenterX(terminal),
this.getRoutingCenterY(terminal)), source)
}
};
// Changes the default edge style
graph.getStylesheet().getDefaultEdgeStyle()['edgeStyle'] = 'orthogonalEdgeStyle';
delete graph.getStylesheet().getDefaultEdgeStyle()['endArrow'];
// Implements the connect preview
graph.connectionHandler.createEdgeState = function(me)
{
var edge = graph.createEdge(null, null, null, null, null);
return new mxCellState(this.graph.view, edge, this.graph.getCellStyle(edge));
};
// 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, '', 40, 40, 40, 30);
v1.setConnectable(false);
var v11 = graph.insertVertex(v1, null, '', 0.5, 0, 10, 40,
'portConstraint=northsouth;', true);
v11.geometry.offset = new mxPoint(-5, -5);
var v12 = graph.insertVertex(v1, null, '', 0, 0.5, 10, 10,
'portConstraint=west;shape=triangle;direction=west;perimeter=none;' +
'routingCenterX=-0.5;routingCenterY=0;', true);
v12.geometry.offset = new mxPoint(-10, -5);
var v13 = graph.insertVertex(v1, null, '', 1, 0.5, 10, 10,
'portConstraint=east;shape=triangle;direction=east;perimeter=none;' +
'routingCenterX=0.5;routingCenterY=0;', true);
v13.geometry.offset = new mxPoint(0, -5);
var v2 = graph.addCell(graph.getModel().cloneCell(v1));
v2.geometry.x = 200;
v2.geometry.y = 60;
var v3 = graph.addCell(graph.getModel().cloneCell(v1));
v3.geometry.x = 40;
v3.geometry.y = 150;
var v4 = graph.addCell(graph.getModel().cloneCell(v1));
v4.geometry.x = 200;
v4.geometry.y = 170;
graph.insertEdge(parent, null, '', v1.getChildAt(2), v2.getChildAt(1));
graph.insertEdge(parent, null, '', v2.getChildAt(2), v3.getChildAt(1));
graph.insertEdge(parent, null, '', v3.getChildAt(2), v4.getChildAt(1));
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
}
};
</script>
</head>
<!-- Page passes the container for the graph to the program -->
<body onload="main(document.getElementById('graphContainer'))">
<!-- Creates a container for the graph with a grid wallpaper -->
<div id="graphContainer"
style="overflow:hidden;position:relative;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
</div>
</body>
</html>