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import EventTarget from './EventTarget.js'
import { assignNewId, adopt, makeInstance, eid } from './adopter.js'
import { map } from './utils.js'
import { matcher } from './helpers.js'
import { ns } from './namespaces.js'
import { extend } from './tools.js'
import attr from './attr.js'
export default class Dom extends EventTarget {
constructor (node) {
super(node)
this.node = node
this.type = node.nodeName
}
// Add given element at a position
add (element, i) {
element = makeInstance(element)
if (i == null) {
this.node.appendChild(element.node)
} else if (element.node !== this.node.childNodes[i]) {
this.node.insertBefore(element.node, this.node.childNodes[i])
}
return this
}
// Add element to given container and return self
addTo (parent) {
return makeInstance(parent).put(this)
}
// Returns all child elements
children () {
return map(this.node.children, function (node) {
return adopt(node)
})
}
// Remove all elements in this container
clear () {
// remove children
while (this.node.hasChildNodes()) {
this.node.removeChild(this.node.lastChild)
}
// remove defs reference
delete this._defs
return this
}
// Clone element
clone (parent) {
// write dom data to the dom so the clone can pickup the data
this.writeDataToDom()
// clone element and assign new id
let clone = assignNewId(this.node.cloneNode(true))
// insert the clone in the given parent or after myself
if (parent) parent.add(clone)
// FIXME: after might not be available here
else this.after(clone)
return clone
}
// Iterates over all children and invokes a given block
each (block, deep) {
var children = this.children()
var i, il
for (i = 0, il = children.length; i < il; i++) {
block.apply(children[i], [i, children])
if (deep) {
children[i].each(block, deep)
}
}
return this
}
// Get first child
first () {
return adopt(this.node.firstChild)
}
// Get a element at the given index
get (i) {
return adopt(this.node.childNodes[i])
}
getEventHolder () {
return this.node
}
getEventTarget () {
return this.node
}
// Checks if the given element is a child
has (element) {
return this.index(element) >= 0
}
// Get / set id
id (id) {
// generate new id if no id set
if (typeof id === 'undefined' && !this.node.id) {
this.node.id = eid(this.type)
}
// dont't set directly width this.node.id to make `null` work correctly
return this.attr('id', id)
}
// Gets index of given element
index (element) {
return [].slice.call(this.node.childNodes).indexOf(element.node)
}
// Get the last child
last () {
return adopt(this.node.lastChild)
}
// matches the element vs a css selector
matches (selector) {
return matcher(this.node, selector)
}
// Returns the svg node to call native svg methods on it
native () {
return this.node
}
// Returns the parent element instance
parent (type) {
var parent = this
// check for parent
if (!parent.node.parentNode) return null
// get parent element
parent = adopt(parent.node.parentNode)
if (!type) return parent
// loop trough ancestors if type is given
while (parent && parent.node instanceof window.SVGElement) {
if (typeof type === 'string' ? parent.matches(type) : parent instanceof type) return parent
parent = adopt(parent.node.parentNode)
}
}
// Basically does the same as `add()` but returns the added element instead
put (element, i) {
this.add(element, i)
return element
}
// Add element to given container and return container
putIn (parent) {
return makeInstance(parent).add(this)
}
// Remove element
remove () {
if (this.parent()) {
this.parent().removeElement(this)
}
return this
}
// Remove a given child
removeElement (element) {
this.node.removeChild(element.node)
return this
}
// Replace element
replace (element) {
// FIXME: after() might not be available here
this.after(element).remove()
return element
}
// Return id on string conversion
toString () {
return this.id()
}
// Import raw svg
svg (svg) {
var well, len
// act as a setter if svg is given
if (svg) {
// create temporary holder
well = document.createElementNS(ns, 'svg')
// dump raw svg
well.innerHTML = svg
// transplant nodes
for (len = well.children.length; len--;) {
this.node.appendChild(well.firstElementChild)
}
// otherwise act as a getter
} else {
// write svgjs data to the dom
this.writeDataToDom()
return this.node.outerHTML
}
return this
}
// write svgjs data to the dom
writeDataToDom () {
// dump variables recursively
this.each(function () {
this.writeDataToDom()
})
return this
}
}
extend(Dom, { attr })
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