85 lines
1.9 KiB
JavaScript
85 lines
1.9 KiB
JavaScript
// ### This module adds backward / forward functionality to elements.
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//
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SVG.extend(SVG.Element, {
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// Get all siblings, including myself
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siblings: function() {
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return this.parent().children()
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}
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// Get the curent position siblings
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, position: function() {
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return this.parent().index(this)
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}
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// Get the next element (will return null if there is none)
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, next: function() {
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return this.siblings()[this.position() + 1]
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}
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// Get the next element (will return null if there is none)
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, previous: function() {
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return this.siblings()[this.position() - 1]
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}
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// Send given element one step forward
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, forward: function() {
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var i = this.position() + 1
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, p = this.parent()
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// move node one step forward
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p.removeElement(this).add(this, i)
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// make sure defs node is always at the top
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if (p instanceof SVG.Doc)
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p.node.appendChild(p.defs().node)
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return this
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}
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// Send given element one step backward
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, backward: function() {
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var i = this.position()
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if (i > 0)
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this.parent().removeElement(this).add(this, i - 1)
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return this
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}
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// Send given element all the way to the front
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, front: function() {
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var p = this.parent()
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// Move node forward
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p.node.appendChild(this.node)
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// Make sure defs node is always at the top
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if (p instanceof SVG.Doc)
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p.node.appendChild(p.defs().node)
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return this
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}
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// Send given element all the way to the back
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, back: function() {
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if (this.position() > 0)
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this.parent().removeElement(this).add(this, 0)
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return this
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}
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// Inserts a given element before the targeted element
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, before: function(element) {
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element.remove()
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var i = this.position()
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this.parent().add(element, i)
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return this
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}
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// Insters a given element after the targeted element
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, after: function(element) {
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element.remove()
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var i = this.position()
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this.parent().add(element, i + 1)
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return this
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}
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}) |