forked from jgraph/mxgraph
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathhandles.html
More file actions
192 lines (155 loc) · 5.69 KB
/
handles.html
File metadata and controls
192 lines (155 loc) · 5.69 KB
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
<!--
Copyright (c) 2006-2014, JGraph Ltd
Handles example for mxGraph. This example demonstrates using mxHandle to change custom styles interactively.
-->
<html>
<head>
<title>Handles 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">
function MyShape()
{
mxCylinder.call(this);
};
mxUtils.extend(MyShape, mxCylinder);
MyShape.prototype.defaultPos1 = 20;
MyShape.prototype.defaultPos2 = 60;
MyShape.prototype.getLabelBounds = function(rect)
{
var pos1 = mxUtils.getValue(this.style, 'pos1', this.defaultPos1) * this.scale;
var pos2 = mxUtils.getValue(this.style, 'pos2', this.defaultPos2) * this.scale;
return new mxRectangle(rect.x, rect.y + pos1, rect.width, Math.min(rect.height, pos2) - Math.max(0, pos1));
};
MyShape.prototype.redrawPath = function(path, x, y, w, h, isForeground)
{
var pos1 = mxUtils.getValue(this.style, 'pos1', this.defaultPos1);
var pos2 = mxUtils.getValue(this.style, 'pos2', this.defaultPos2);
if (isForeground)
{
if (pos1 < h)
{
path.moveTo(0, pos1);
path.lineTo(w, pos1);
}
if (pos2 < h)
{
path.moveTo(0, pos2);
path.lineTo(w, pos2);
}
}
else
{
path.rect(0, 0, w, h);
}
};
mxCellRenderer.registerShape('myShape', MyShape);
mxVertexHandler.prototype.createCustomHandles = function()
{
if (this.state.style['shape'] == 'myShape')
{
// Implements the handle for the first divider
var firstHandle = new mxHandle(this.state);
firstHandle.getPosition = function(bounds)
{
var pos2 = Math.max(0, Math.min(bounds.height, parseFloat(mxUtils.getValue(this.state.style, 'pos2', MyShape.prototype.defaultPos2))));
var pos1 = Math.max(0, Math.min(pos2, parseFloat(mxUtils.getValue(this.state.style, 'pos1', MyShape.prototype.defaultPos1))));
return new mxPoint(bounds.getCenterX(), bounds.y + pos1);
};
firstHandle.setPosition = function(bounds, pt)
{
var pos2 = Math.max(0, Math.min(bounds.height, parseFloat(mxUtils.getValue(this.state.style, 'pos2', MyShape.prototype.defaultPos2))));
this.state.style['pos1'] = Math.round(Math.max(0, Math.min(pos2, pt.y - bounds.y)));
};
firstHandle.execute = function()
{
this.copyStyle('pos1');
}
firstHandle.ignoreGrid = true;
// Implements the handle for the second divider
var secondHandle = new mxHandle(this.state);
secondHandle.getPosition = function(bounds)
{
var pos1 = Math.max(0, Math.min(bounds.height, parseFloat(mxUtils.getValue(this.state.style, 'pos1', MyShape.prototype.defaultPos1))));
var pos2 = Math.max(pos1, Math.min(bounds.height, parseFloat(mxUtils.getValue(this.state.style, 'pos2', MyShape.prototype.defaultPos2))));
return new mxPoint(bounds.getCenterX(), bounds.y + pos2);
};
secondHandle.setPosition = function(bounds, pt)
{
var pos1 = Math.max(0, Math.min(bounds.height, parseFloat(mxUtils.getValue(this.state.style, 'pos1', MyShape.prototype.defaultPos1))));
this.state.style['pos2'] = Math.round(Math.max(pos1, Math.min(bounds.height, pt.y - bounds.y)));
};
secondHandle.execute = function()
{
this.copyStyle('pos2');
}
secondHandle.ignoreGrid = true;
return [firstHandle, secondHandle];
}
return null;
};
mxVertexHandler.prototype.livePreview = true;
mxVertexHandler.prototype.rotationEnabled = true;
// 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
{
// Disables the built-in context menu
mxEvent.disableContextMenu(container);
// Creates the graph inside the given container
var graph = new mxGraph(container);
graph.setCellsCloneable(true);
graph.setHtmlLabels(true);
graph.setPanning(true);
graph.centerZoom = false;
// 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, 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
20, 20, 240, 120, 'shape=myShape;whiteSpace=wrap;overflow=hidden;pos1=30;pos2=80;');
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
document.body.appendChild(mxUtils.button('+', function()
{
graph.zoomIn();
}));
document.body.appendChild(mxUtils.button('-', function()
{
graph.zoomOut();
}));
}
};
</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="position:relative;overflow:hidden;width:621px;height:441px;background:url('editors/images/grid.gif');cursor:default;">
</div>
</body>
</html>