public function matrixnavigation_action()
{
$tag_matrix_entries_number = 9;
$tag_subtags_number = 6;
if (!Request::get("tags")) {
$this->topics = LernmarktplatzTag::findBest($tag_matrix_entries_number);
$this->materialien = array();
} else {
$tags = $this->tag_history = explode(",", Request::get("tags"));
$this->without_tags = array();
$tag_to_search_for = array_pop($tags);
foreach (LernmarktplatzTag::findBest($tag_matrix_entries_number, true) as $related_tag) {
if ($related_tag['tag_hash'] !== $this->tag_history[0]) {
$this->without_tags[] = $related_tag['tag_hash'];
}
}
//array_shift($this->tag_history);
foreach ($tags as $tag) {
foreach (LernmarktplatzTag::findRelated($tag, $this->without_tags, $tag_subtags_number, true) as $related_tag) {
$this->without_tags[] = $related_tag['tag_hash'];
}
}
$this->topics = LernmarktplatzTag::findRelated($tag_to_search_for, $this->without_tags, $tag_subtags_number);
$this->materialien = LernmarktplatzMaterial::findByTagHash($tag_to_search_for);
}
$output = array();
$output['breadcrumb'] = $this->render_template_as_string("market/_breadcrumb");
$output['matrix'] = $this->render_template_as_string("market/_matrix");
$output['materials'] = $this->render_template_as_string("market/_materials");
$this->render_json($output);
}
public function addTag($tag_name)
{
$tag_hash = md5($tag_name);
if (!LernmarktplatzTag::find($tag_hash)) {
$tag = new LernmarktplatzTag();
$tag->setId($tag_hash);
$tag['name'] = $tag_name;
$tag->store();
}
$statement = DBManager::get()->prepare("\n INSERT IGNORE INTO lernmarktplatz_tags_material\n SET tag_hash = :tag_hash,\n material_id = :material_id\n ");
return $statement->execute(array('tag_hash' => $tag_hash, 'material_id' => $this->getId()));
}
?>
>
<? $breadcrump_tags = array() ?>
<li>
<a href="<?php
echo PluginEngine::getLink($plugin, array(), "market/overview");
?>
" data-tags="">
<?php
echo _("Zum Anfang");
?>
</a>
</li>
<? foreach ($tag_history as $key => $tag) : ?>
<li>
<? $breadcrump_tags[] = $tag ?>
<? $new_tag_history = implode(",", $breadcrump_tags) ?>
<a href="<?php
echo PluginEngine::getLink($plugin, array('tags' => $new_tag_history), "market/overview");
?>
" data-tags="<?php
echo $new_tag_history;
?>
">
<?php
echo htmlReady(LernmarktplatzTag::find($tag)->name);
?>
</a>
</li>
<? endforeach ?>
</ol>
