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// ### This module adds backward / forward functionality to elements.
//
SVG.extend(SVG.Element, {
// Get all siblings, including myself
siblings: function() {
return this.parent.children();
},
// Get the curent position siblings
position: function() {
return this.siblings().indexOf(this);
},
// Get the next element (will return null if there is none)
next: function() {
return this.siblings()[this.position() + 1];
},
// Get the next element (will return null if there is none)
previous: function() {
return this.siblings()[this.position() - 1];
},
// Send given element one step forward
forward: function() {
return this.parent.remove(this).put(this, this.position() + 1);
},
// Send given element one step backward
backward: function() {
var i, parent = this.parent.level();
i = this.position();
if (i > 1)
parent.remove(this).add(this, i - 1);
return this;
},
// Send given element all the way to the front
front: function() {
return this.parent.remove(this).put(this);
},
// Send given element all the way to the back
back: function() {
var parent = this.parent.level();
if (this.position() > 1)
parent.remove(this).add(this, 0);
return this;
}
});
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