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import { on, off } from '../core/event.js'
import { registerMethods } from '../../utils/methods.js'
import Color from '../../types/Color.js'
import Element from '../../elements/Element.js'
import Matrix from '../../types/Matrix.js'
import Point from '../../types/Point.js'
import SVGNumber from '../../types/SVGNumber.js'
// Define list of available attributes for stroke and fill
var sugar = {
stroke: [ 'color', 'width', 'opacity', 'linecap', 'linejoin', 'miterlimit', 'dasharray', 'dashoffset' ],
fill: [ 'color', 'opacity', 'rule' ],
prefix: function (t, a) {
return a === 'color' ? t : t + '-' + a
}
}
// Add sugar for fill and stroke
;[ 'fill', 'stroke' ].forEach(function (m) {
var extension = {}
var i
extension[m] = function (o) {
if (typeof o === 'undefined') {
return this.attr(m)
}
if (typeof o === 'string' || Color.isRgb(o) || (o instanceof Element)) {
this.attr(m, o)
} else {
// set all attributes from sugar.fill and sugar.stroke list
for (i = sugar[m].length - 1; i >= 0; i--) {
if (o[sugar[m][i]] != null) {
this.attr(sugar.prefix(m, sugar[m][i]), o[sugar[m][i]])
}
}
}
return this
}
registerMethods([ 'Shape', 'Runner' ], extension)
})
registerMethods([ 'Element', 'Runner' ], {
// Let the user set the matrix directly
matrix: function (mat, b, c, d, e, f) {
// Act as a getter
if (mat == null) {
return new Matrix(this)
}
// Act as a setter, the user can pass a matrix or a set of numbers
return this.attr('transform', new Matrix(mat, b, c, d, e, f))
},
// Map rotation to transform
rotate: function (angle, cx, cy) {
return this.transform({ rotate: angle, ox: cx, oy: cy }, true)
},
// Map skew to transform
skew: function (x, y, cx, cy) {
return arguments.length === 1 || arguments.length === 3
? this.transform({ skew: x, ox: y, oy: cx }, true)
: this.transform({ skew: [ x, y ], ox: cx, oy: cy }, true)
},
shear: function (lam, cx, cy) {
return this.transform({ shear: lam, ox: cx, oy: cy }, true)
},
// Map scale to transform
scale: function (x, y, cx, cy) {
return arguments.length === 1 || arguments.length === 3
? this.transform({ scale: x, ox: y, oy: cx }, true)
: this.transform({ scale: [ x, y ], ox: cx, oy: cy }, true)
},
// Map translate to transform
translate: function (x, y) {
return this.transform({ translate: [ x, y ] }, true)
},
// Map relative translations to transform
relative: function (x, y) {
return this.transform({ relative: [ x, y ] }, true)
},
// Map flip to transform
flip: function (direction, around) {
var directionString = typeof direction === 'string' ? direction
: isFinite(direction) ? 'both'
: 'both'
var origin = (direction === 'both' && isFinite(around)) ? [ around, around ]
: (direction === 'x') ? [ around, 0 ]
: (direction === 'y') ? [ 0, around ]
: isFinite(direction) ? [ direction, direction ]
: [ 0, 0 ]
this.transform({ flip: directionString, origin: origin }, true)
},
// Opacity
opacity: function (value) {
return this.attr('opacity', value)
},
// Relative move over x and y axes
dmove: function (x, y) {
return this.dx(x).dy(y)
}
})
registerMethods('Element', {
// Relative move over x axis
dx: function (x) {
return this.x(new SVGNumber(x).plus(this.x()))
},
// Relative move over y axis
dy: function (y) {
return this.y(new SVGNumber(y).plus(this.y()))
}
})
registerMethods('radius', {
// Add x and y radius
radius: function (x, y) {
var type = (this._element || this).type
return type === 'radialGradient' || type === 'radialGradient'
? this.attr('r', new SVGNumber(x))
: this.rx(x).ry(y == null ? x : y)
}
})
registerMethods('Path', {
// Get path length
length: function () {
return this.node.getTotalLength()
},
// Get point at length
pointAt: function (length) {
return new Point(this.node.getPointAtLength(length))
}
})
registerMethods([ 'Element', 'Runner' ], {
// Set font
font: function (a, v) {
if (typeof a === 'object') {
for (v in a) this.font(v, a[v])
}
return a === 'leading'
? this.leading(v)
: a === 'anchor'
? this.attr('text-anchor', v)
: a === 'size' || a === 'family' || a === 'weight' || a === 'stretch' || a === 'variant' || a === 'style'
? this.attr('font-' + a, v)
: this.attr(a, v)
}
})
registerMethods('Text', {
ax (x) {
return this.attr('x', x)
},
ay (y) {
return this.attr('y', y)
},
amove (x, y) {
return this.ax(x).ay(y)
}
})
// Add events to elements
const methods = [ 'click',
'dblclick',
'mousedown',
'mouseup',
'mouseover',
'mouseout',
'mousemove',
'mouseenter',
'mouseleave',
'touchstart',
'touchmove',
'touchleave',
'touchend',
'touchcancel' ].reduce(function (last, event) {
// add event to Element
const fn = function (f) {
if (f === null) {
off(this, event)
} else {
on(this, event, f)
}
return this
}
last[event] = fn
return last
}, {})
registerMethods('Element', methods)
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