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SVG.Wrap = function(element) {
this.constructor.call(this, SVG.create('g'))
/* insert and store child */
this.node.insertBefore(element.node, null)
this.child = element
this.type = element.node.nodeName
}
// inherit from SVG.Shape
SVG.Wrap.prototype = new SVG.Shape()
SVG.extend(SVG.Wrap, {
// Move wrapper around
move: function(x, y) {
return this.transform({
x: x
, y: y
})
}
// Set the actual size in pixels
, size: function(width, height) {
var scale = width / this._b.width
this.child.transform({
scaleX: scale
, scaleY: height != null ? height / this._b.height : scale
})
return this
}
// Move by center
, center: function(x, y) {
return this.move(
x + (this._b.width * this.child.trans.scaleX) / -2
, y + (this._b.height * this.child.trans.scaleY) / -2
)
}
// Create distributed attr
, attr: function(a, v, n) {
/* call individual attributes if an object is given */
if (typeof a == 'object') {
for (v in a) this.attr(v, a[v])
/* act as a getter if only one argument is given */
} else if (arguments.length < 2) {
return a == 'transform' ? this.attrs[a] : this.child.attrs[a]
/* apply locally for certain attributes */
} else if (a == 'transform') {
this.attrs[a] = v
n != null ?
this.node.setAttributeNS(n, a, v) :
this.node.setAttribute(a, v)
/* apply attributes to child */
} else {
this.child.attr(a, v, n)
}
return this
}
// Distribute plot method to child
, plot: function(data) {
/* plot new shape */
this.child.plot(data)
/* get and store new bbox */
this._b = this.child.bbox()
/* reposition element withing wrapper */
this.child.transform({
x: -this._b.x
, y: -this._b.y
})
return this
}
})
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