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import { nodeOrNew, register, wrapWithAttrCheck } from '../utils/adopter.js'
import { registerMethods } from '../utils/methods.js'
import Container from './Container.js'
export default class Marker extends Container {
// Initialize node
constructor(node, attrs = node) {
super(nodeOrNew('marker', node), attrs)
}
// Set height of element
height(height) {
return this.attr('markerHeight', height)
}
orient(orient) {
return this.attr('orient', orient)
}
// Set marker refX and refY
ref(x, y) {
return this.attr('refX', x).attr('refY', y)
}
// Return the fill id
toString() {
return 'url(#' + this.id() + ')'
}
// Update marker
update(block) {
// remove all content
this.clear()
// invoke passed block
if (typeof block === 'function') {
block.call(this, this)
}
return this
}
// Set width of element
width(width) {
return this.attr('markerWidth', width)
}
}
registerMethods({
Container: {
marker(...args) {
// Create marker element in defs
return this.defs().marker(...args)
}
},
Defs: {
// Create marker
marker: wrapWithAttrCheck(function (width, height, block) {
// Set default viewbox to match the width and height, set ref to cx and cy and set orient to auto
return this.put(new Marker())
.size(width, height)
.ref(width / 2, height / 2)
.viewbox(0, 0, width, height)
.attr('orient', 'auto')
.update(block)
})
},
marker: {
// Create and attach markers
marker(marker, width, height, block) {
let attr = ['marker']
// Build attribute name
if (marker !== 'all') attr.push(marker)
attr = attr.join('-')
// Set marker attribute
marker =
arguments[1] instanceof Marker
? arguments[1]
: this.defs().marker(width, height, block)
return this.attr(attr, marker)
}
}
})
register(Marker, 'Marker')
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