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SVG.Element = SVG.invent({
// Initialize node
create: function(node) {
// last fired event on node
this._event = null
// initialize data object
this.dom = {}
// create circular reference
if (this.node = node) {
this.type = node.nodeName
this.node.instance = this
}
}
// Add class methods
, extend: {
// Move over x-axis
x: function(x) {
return this.attr('x', x)
}
// Move over y-axis
, y: function(y) {
return this.attr('y', y)
}
// Move by center over x-axis
, cx: function(x) {
return x == null ? this.x() + this.width() / 2 : this.x(x - this.width() / 2)
}
// Move by center over y-axis
, cy: function(y) {
return y == null ? this.y() + this.height() / 2 : this.y(y - this.height() / 2)
}
// Move element to given x and y values
, move: function(x, y) {
return this.x(x).y(y)
}
// Move element by its center
, center: function(x, y) {
return this.cx(x).cy(y)
}
// Set width of element
, width: function(width) {
return this.attr('width', width)
}
// Set height of element
, height: function(height) {
return this.attr('height', height)
}
// Set element size to given width and height
, size: function(width, height) {
var p = proportionalSize(this, width, height)
return this
.width(new SVG.Number(p.width))
.height(new SVG.Number(p.height))
}
// Clone element
, clone: function(parent, withData) {
// write dom data to the dom so the clone can pickup the data
this.writeDataToDom()
// clone element and assign new id
var clone = assignNewId(this.node.cloneNode(true))
// insert the clone in the given parent or after myself
if(parent) parent.add(clone)
else this.after(clone)
return clone
}
// Remove element
, remove: function() {
if (this.parent())
this.parent().removeElement(this)
return this
}
// Replace element
, replace: function(element) {
this.after(element).remove()
return element
}
// Add element to given container and return self
, addTo: function(parent) {
return parent.put(this)
}
// Add element to given container and return container
, putIn: function(parent) {
return parent.add(this)
}
// Get / set id
, id: function(id) {
return this.attr('id', id)
}
// Checks whether the given point inside the bounding box of the element
, inside: function(x, y) {
var box = this.bbox()
return x > box.x
&& y > box.y
&& x < box.x + box.width
&& y < box.y + box.height
}
// Show element
, show: function() {
return this.css('display', '')
}
// Hide element
, hide: function() {
return this.css('display', 'none')
}
// Is element visible?
, visible: function() {
return this.css('display') != 'none'
}
// Return id on string conversion
, toString: function() {
return this.attr('id')
}
// Return array of classes on the node
, classes: function() {
var attr = this.attr('class')
return attr == null ? [] : attr.trim().split(SVG.regex.delimiter)
}
// Return true if class exists on the node, false otherwise
, hasClass: function(name) {
return this.classes().indexOf(name) != -1
}
// Add class to the node
, addClass: function(name) {
if (!this.hasClass(name)) {
var array = this.classes()
array.push(name)
this.attr('class', array.join(' '))
}
return this
}
// Remove class from the node
, removeClass: function(name) {
if (this.hasClass(name)) {
this.attr('class', this.classes().filter(function(c) {
return c != name
}).join(' '))
}
return this
}
// Toggle the presence of a class on the node
, toggleClass: function(name) {
return this.hasClass(name) ? this.removeClass(name) : this.addClass(name)
}
// Get referenced element form attribute value
, reference: function(attr) {
return SVG.get(this.attr(attr))
}
// Returns the parent element instance
, parent: function(type) {
var parent = this
// check for parent
if(!parent.node.parentNode) return null
// get parent element
parent = SVG.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 = SVG.adopt(parent.node.parentNode)
}
}
// Get parent document
, doc: function() {
return this instanceof SVG.Doc ? this : this.parent(SVG.Doc)
}
// return array of all ancestors of given type up to the root svg
, parents: function(type) {
var parents = [], parent = this
do{
parent = parent.parent(type)
if(!parent || !parent.node) break
parents.push(parent)
} while(parent.parent)
return parents
}
// matches the element vs a css selector
, matches: function(selector){
return matches(this.node, selector)
}
// Returns the svg node to call native svg methods on it
, native: function() {
return this.node
}
// Import raw svg
, svg: function(svg) {
var well, len
// act as a setter if svg is given
if (svg && this instanceof SVG.Parent) {
// create temporary holder
well = document.createElementNS(SVG.ns, 'svg')
// dump raw svg
well.innerHTML = svg
// transplant nodes
for (len = well.childNodes.length;len--;)
if(well.firstChild.nodeType != 1)
well.removeChild(well.firstChild)
else
this.node.appendChild(well.firstChild)
// otherwise act as a getter
} else {
return this.node.outerHTML
}
return this
}
// write svgjs data to the dom
, writeDataToDom: function() {
// dump variables recursively
if(this.is(SVG.Parent)){
this.each(function(){
this.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 this
}
// set given data to the elements data property
, setData: function(o){
this.dom = o
return this
}
, is: function(obj){
return is(this, obj)
}
}
})
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