daux.io/libs/Tree/Directory.php
2015-08-16 22:24:49 +02:00

219 regels
5.5 KiB
PHP

<?php namespace Todaymade\Daux\Tree;
use Todaymade\Daux\Daux;
class Directory extends Entry
{
/** @var Entry[] */
protected $children = [];
/** @var Content */
protected $first_page;
public function sort()
{
uasort($this->children, array($this, 'compareEntries'));
}
/**
* @return Entry[]
*/
public function getEntries()
{
return $this->children;
}
public function addChild(Entry $entry)
{
$this->children[$entry->getUri()] = $entry;
}
public function removeChild(Entry $entry)
{
unset($this->children[$entry->getUri()]);
}
/**
* @return \Todaymade\Daux\Config
*/
public function getConfig()
{
if (!$this->parent) {
throw new \RuntimeException("Could not retrieve configuration. Are you sure that your tree has a Root ?");
}
return $this->parent->getConfig();
}
/**
* @return Content|null
*/
public function getIndexPage()
{
$index_key = $this->getConfig()['index_key'];
if (isset($this->children[$index_key])) {
return $this->children[$index_key];
}
/*
If the inherit_index flag is set, then we seek child content
*/
if (
$this->getConfig()['mode'] == Daux::LIVE_MODE
&& !empty($this->getConfig()['live']['inherit_index'])
&& $first_page = $this->seekFirstPage()
) {
return $first_page;
}
return null;
}
/**
* Seek the first available page from descendants
* @return Content|null
*/
public function seekFirstPage(){
if( $this instanceof Directory ){
$index_key = $this->getConfig()['index_key'];
if (isset($this->children[$index_key])) {
return $this->children[$index_key];
}
foreach( $this->children AS $node_key => $node ){
if( $node instanceof Content ){
return $node;
}
if(
$node instanceof Directory
&& strpos($node->getUri(), '.') !== 0
&& $childNode = $node->seekFirstPage() ){
return $childNode;
}
}
}
return null;
}
/**
* @return Content|null
*/
public function getFirstPage()
{
if ($this->first_page) {
return $this->first_page;
}
// First we try to find a real page
foreach ($this->getEntries() as $node) {
if ($node instanceof Content) {
if ($this instanceof Root && $this->getIndexPage() == $node) {
// The homepage should not count as first page
continue;
}
$this->setFirstPage($node);
return $node;
}
}
// If we can't find one we check in the sub-directories
foreach ($this->getEntries() as $node) {
if ($node instanceof Directory && $page = $node->getFirstPage()) {
$this->setFirstPage($page);
return $page;
}
}
return null;
}
/**
* @param Content $first_page
*/
public function setFirstPage($first_page)
{
$this->first_page = $first_page;
}
/**
* Used when creating the navigation.
* Hides folders without showable content
*
* @return bool
*/
public function hasContent()
{
foreach ($this->getEntries() as $node) {
if ($node instanceof Content) {
return true;
} elseif ($node instanceof Directory) {
if ($node->hasContent()) {
return true;
}
}
}
return false;
}
private function compareEntries($a, $b)
{
$name_a = explode('_', $a->name);
$name_b = explode('_', $b->name);
if (is_numeric($name_a[0])) {
$a = intval($name_a[0]);
if (is_numeric($name_b[0])) {
$b = intval($name_b[0]);
if (($a >= 0) == ($b >= 0)) {
$a = abs($a);
$b = abs($b);
if ($a == $b) {
return (strcasecmp($name_a[1], $name_b[1]));
}
return ($a > $b) ? 1 : -1;
}
return ($a >= 0) ? -1 : 1;
}
$t = $name_b[0];
if ($t && $t[0] === '-') {
return -1;
}
return ($a < 0) ? 1 : -1;
} else {
if (is_numeric($name_b[0])) {
$b = intval($name_b[0]);
if ($b >= 0) {
return 1;
}
$t = $name_a[0];
if ($t && $t[0] === '-') {
return 1;
}
return ($b >= 0) ? 1 : -1;
}
$p = $name_a[0];
$q = $name_b[0];
if (($p && $p[0] === '-') == ($q && $q[0] === '-')) {
return strcasecmp($p, $q);
} else {
return ($p[0] === '-') ? 1 : -1;
}
}
}
public function dump()
{
$dump = parent::dump();
$dump['index'] = $this->getIndexPage() ? $this->getIndexPage()->getUrl() : '';
$dump['first'] = $this->getFirstPage() ? $this->getFirstPage()->getUrl() : '';
foreach ($this->getEntries() as $entry) {
$dump['children'][] = $entry->dump();
}
return $dump;
}
}