| @@ 329-335 (lines=7) @@ | ||
| 326 | * @return AbstractNode |
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| 327 | * @uses $this->getChild() |
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| 328 | */ |
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| 329 | public function nextChild($id) |
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| 330 | { |
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| 331 | $child = $this->getChild($id); |
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| 332 | $next = $this->children[$child->id()]['next']; |
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| 333 | ||
| 334 | return $this->getChild($next); |
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| 335 | } |
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| 336 | ||
| 337 | /** |
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| 338 | * Attempts to get the previous child. |
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| @@ 344-350 (lines=7) @@ | ||
| 341 | * @return AbstractNode |
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| 342 | * @uses $this->getChild() |
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| 343 | */ |
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| 344 | public function previousChild($id) |
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| 345 | { |
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| 346 | $child = $this->getchild($id); |
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| 347 | $next = $this->children[$child->id()]['prev']; |
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| 348 | ||
| 349 | return $this->getChild($next); |
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| 350 | } |
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| 351 | ||
| 352 | /** |
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| 353 | * Checks if the given node id is a child of the |
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