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import {
adopt,
nodeOrNew,
register,
wrapWithAttrCheck
} from '../utils/adopter.js'
import { ns, svgjs, xlink, xmlns } from '../modules/core/namespaces.js'
import { registerMethods } from '../utils/methods.js'
import Container from './Container.js'
import Defs from './Defs.js'
import { globals } from '../utils/window.js'
export default class Svg extends Container {
constructor (node) {
super(nodeOrNew('svg', node), node)
this.namespace()
}
isRoot () {
return !this.node.parentNode
|| !(this.node.parentNode instanceof globals.window.SVGElement)
|| this.node.parentNode.nodeName === '#document'
}
// Check if this is a root svg
// If not, call docs from this element
root () {
if (this.isRoot()) return this
return super.root()
}
// Add namespaces
namespace () {
if (!this.isRoot()) return this.root().namespace()
return this
.attr({ xmlns: ns, version: '1.1' })
.attr('xmlns:xlink', xlink, xmlns)
.attr('xmlns:svgjs', svgjs, xmlns)
}
// Creates and returns defs element
defs () {
if (!this.isRoot()) return this.root().defs()
return adopt(this.node.getElementsByTagName('defs')[0])
|| this.put(new Defs())
}
// custom parent method
parent (type) {
if (this.isRoot()) {
return this.node.parentNode.nodeName === '#document'
? null
: adopt(this.node.parentNode)
}
return super.parent(type)
}
clear () {
// remove children
while (this.node.hasChildNodes()) {
this.node.removeChild(this.node.lastChild)
}
return this
}
}
registerMethods({
Container: {
// Create nested svg document
nested: wrapWithAttrCheck(function () {
return this.put(new Svg())
})
}
})
register(Svg, 'Svg', true)
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