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
|
SVG.Element = function Element(n) {
this.node = n;
this.attrs = {};
};
// Add element-specific functions
SVG.extend(SVG.Element, {
// move element to given x and y values
move: function(x, y) {
this.attr({
x: x,
y: y
});
return this;
},
// set element size to given width and height
size: function(w, h) {
this.attr({
width: w,
height: h
});
return this;
},
// remove element
remove: function() {
return this.parent != null ? this.parent.remove(this) : void 0;
},
// get parent document
parentDoc: function() {
return this._parent(SVG.Doc);
},
// get parent svg wrapper
mother: function() {
return this.parentDoc();
},
// set svg element attribute
attr: function(a, v, n) {
if (arguments.length < 2) {
if (typeof a == 'object')
for (v in a) this.attr(v, a[v]);
else
return this.attrs[a];
} else {
this.attrs[a] = v;
n != null ?
this.node.setAttributeNS(n, a, v) :
this.node.setAttribute(a, v);
}
return this;
},
// transformations
transform: function(t, a) {
var n = [],
s = this.attr('transform') || '',
l = s.match(/([a-z]+\([^\)]+\))/g) || [];
if (a === true) {
var v = t.match(/^([A-Za-z\-]+)/)[1],
r = new RegExp('^' + v);
for (var i = 0, s = l.length; i < s; i++)
if (!r.test(l[i]))
n.push(l[i]);
} else
n = l;
n.push(t);
this.attr('transform', n.join(' '));
return this;
},
// get bounding box
bbox: function() {
var b = this.node.getBBox();
b.cx = b.x + b.width / 2;
b.cy = b.y + b.height / 2;
return b;
},
// private: find svg parent
_parent: function(pt) {
var e = this;
while (e != null && !(e instanceof pt))
e = e.parent;
return e;
}
});
|
