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MDL-35655 Navigation - Generalized fetching method of navigation object and renderer in navigation block

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This commit is contained in:
Itamar Tzadok 2012-09-27 14:24:03 -04:00
parent 5d6285c220
commit c8ed28175e
1 changed files with 16 additions and 4 deletions
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20
blocks/navigation/block_navigation.php
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@ -177,9 +177,10 @@ class block_navigation extends block_base {
$trimlength = (int)$this->config->trimlength;
}
// Initialise (only actually happens if it hasn't already been done yet
$this->page->navigation->initialise();
$navigation = clone($this->page->navigation);
// Get the navigation object or don't display the block if none provided.
if (!$navigation = $this->get_navigation()) {
return null;
}
$expansionlimit = null;
if (!empty($this->config->expansionlimit)) {
$expansionlimit = $this->config->expansionlimit;
@ -204,7 +205,7 @@ class block_navigation extends block_base {
$options['linkcategories'] = (!empty($this->config->linkcategories) && $this->config->linkcategories == 'yes');
// Grab the items to display
$renderer = $this->page->get_renderer('block_navigation');
$renderer = $this->page->get_renderer($this->blockname);
$this->content = new stdClass();
$this->content->text = $renderer->navigation_tree($navigation, $expansionlimit, $options);
@ -214,6 +215,17 @@ class block_navigation extends block_base {
return $this->content;
}
/**
* Returns the navigation
*
* @return navigation_node The navigation object to display
*/
protected function get_navigation() {
// Initialise (only actually happens if it hasn't already been done yet)
$this->page->navigation->initialise();
return clone($this->page->navigation);
}
/**
* Returns the attributes to set for this block
*