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import {
extend,
nodeOrNew,
register,
wrapWithAttrCheck
} from '../utils/adopter.js'
import { proportionalSize } from '../utils/utils.js'
import { registerMethods } from '../utils/methods.js'
import PointArray from '../types/PointArray.js'
import Shape from './Shape.js'
import * as pointed from '../modules/core/pointed.js'
export default class Line extends Shape {
// Initialize node
constructor ( node ) {
super( nodeOrNew( 'line', node ), node )
}
// Get array
array () {
return new PointArray( [
[ this.attr( 'x1' ), this.attr( 'y1' ) ],
[ this.attr( 'x2' ), this.attr( 'y2' ) ]
] )
}
// Overwrite native plot() method
plot ( 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 PointArray( x1 ).toLine()
}
return this.attr( x1 )
}
// Move by left top corner
move ( x, y ) {
return this.attr( this.array().move( x, y ).toLine() )
}
// Set element size to given width and height
size ( width, height ) {
var p = proportionalSize( this, width, height )
return this.attr( this.array().size( p.width, p.height ).toLine() )
}
}
extend( Line, pointed )
registerMethods( {
Container: {
// Create a line element
line: wrapWithAttrCheck( function ( ...args ) {
// make sure plot is called as a setter
// x1 is not necessarily a number, it can also be an array, a string and a PointArray
return Line.prototype.plot.apply(
this.put( new Line() )
, args[0] != null ? args : [ 0, 0, 0, 0 ]
)
} )
}
} )
register( Line )
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