summaryrefslogtreecommitdiffstats
path: root/src/group.js
blob: f0d3d8b5e79ef07b7a9c997d15517325a49e09c3 (plain)
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
SVG.G = SVG.invent({
  // Initialize node
  create: 'g',

  // Inherit from
  inherit: SVG.Container,

  // Add class methods
  extend: {
    // Move over x-axis
    x: function (x) {
      return x == null ? this.transform('x') : this.transform({ x: x - this.x() }, true)
    },
    // Move over y-axis
    y: function (y) {
      return y == null ? this.transform('y') : this.transform({ y: y - this.y() }, true)
    },
    // Move by center over x-axis
    cx: function (x) {
      return x == null ? this.gbox().cx : this.x(x - this.gbox().width / 2)
    },
    // Move by center over y-axis
    cy: function (y) {
      return y == null ? this.gbox().cy : this.y(y - this.gbox().height / 2)
    },
    gbox: function () {
      var bbox = this.bbox()
      var trans = this.transform()

      bbox.x += trans.x
      bbox.x2 += trans.x
      bbox.cx += trans.x

      bbox.y += trans.y
      bbox.y2 += trans.y
      bbox.cy += trans.y

      return bbox
    }
  },

  // Add parent method
  construct: {
    // Create a group element
    group: function () {
      return this.put(new SVG.G())
    }
  }
})