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import { getClass, makeInstance, register, root } from '../utils/adopter.js'
import { proportionalSize } from '../utils/utils.js'
import { reference } from '../modules/core/regex.js'
import Dom from './Dom.js'
import SVGNumber from '../types/SVGNumber.js'
const Doc = getClass(root)
export default class Element extends Dom {
constructor (node, attrs) {
super(node, attrs)
// initialize data object
this.dom = {}
// create circular reference
this.node.instance = this
if (node.hasAttribute('svgjs:data')) {
// pull svgjs data from the dom (getAttributeNS doesn't work in html5)
this.setData(JSON.parse(node.getAttribute('svgjs:data')) || {})
}
}
// Move element by its center
center (x, y) {
return this.cx(x).cy(y)
}
// Move by center over x-axis
cx (x) {
return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2)
}
// Move by center over y-axis
cy (y) {
return y == null
? this.y() + this.height() / 2
: this.y(y - this.height() / 2)
}
// Get defs
defs () {
return this.doc().defs()
}
// Get parent document
doc () {
let p = this.parent(Doc)
return p && p.doc()
}
getEventHolder () {
return this
}
// Set height of element
height (height) {
return this.attr('height', height)
}
// Checks whether the given point inside the bounding box of the element
inside (x, y) {
let box = this.bbox()
return x > box.x &&
y > box.y &&
x < box.x + box.width &&
y < box.y + box.height
}
// Move element to given x and y values
move (x, y) {
return this.x(x).y(y)
}
// return array of all ancestors of given type up to the root svg
parents (type) {
let parents = []
let parent = this
do {
parent = parent.parent(type)
if (!parent || parent instanceof getClass('HtmlNode')) break
parents.push(parent)
} while (parent.parent)
return parents
}
// Get referenced element form attribute value
reference (attr) {
attr = this.attr(attr)
if (!attr) return null
const m = attr.match(reference)
return m ? makeInstance(m[1]) : null
}
// set given data to the elements data property
setData (o) {
this.dom = o
return this
}
// Set element size to given width and height
size (width, height) {
let p = proportionalSize(this, width, height)
return this
.width(new SVGNumber(p.width))
.height(new SVGNumber(p.height))
}
// Set width of element
width (width) {
return this.attr('width', width)
}
// write svgjs data to the dom
writeDataToDom () {
// remove previously set data
this.node.removeAttribute('svgjs:data')
if (Object.keys(this.dom).length) {
this.node.setAttribute('svgjs:data', JSON.stringify(this.dom)) // see #428
}
return super.writeDataToDom()
}
// Move over x-axis
x (x) {
return this.attr('x', x)
}
// Move over y-axis
y (y) {
return this.attr('y', y)
}
}
register(Element)
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