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/* global proportionalSize */
SVG.Line = SVG.invent({
// Initialize node
create: 'line',
// Inherit from
inherit: SVG.Shape,
// Add class methods
extend: {
// Get array
array: function () {
return new SVG.PointArray([
[ this.attr('x1'), this.attr('y1') ],
[ this.attr('x2'), this.attr('y2') ]
])
},
// Overwrite native plot() method
plot: function (x1, y1, x2, y2) {
if (x1 == null) {
return this.array()
} else if (typeof y1 !== 'undefined') {
x1 = { x1: x1, y1: y1, x2: x2, y2: y2 }
} else {
x1 = new SVG.PointArray(x1).toLine()
}
return this.attr(x1)
},
// Move by left top corner
move: function (x, y) {
return this.attr(this.array().move(x, y).toLine())
},
// Set element size to given width and height
size: function (width, height) {
var p = proportionalSize(this, width, height)
return this.attr(this.array().size(p.width, p.height).toLine())
}
},
// Add parent method
construct: {
// Create a line element
line: function (x1, y1, x2, y2) {
// make sure plot is called as a setter
// x1 is not necessarily a number, it can also be an array, a string and a SVG.PointArray
return SVG.Line.prototype.plot.apply(
this.put(new SVG.Line())
, x1 != null ? [x1, y1, x2, y2] : [0, 0, 0, 0]
)
}
}
})
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