Your IP : 10.10.0.253
<?php
/**
* @version 1.0
* @package mod_qitagcloud
* @author www.huangqi.space
* @copyright Copyright(C)2015 Qi Projects. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*/
// no direct access
defined('_JEXEC') or die('Restricted access');
class modTagcloudhelper
{
public function getTags($params, $moduleid)
{
global $mainframe;
$db = JFactory :: getDBO();
$user = JFactory::getUser();
$groups = implode(',', $user->getAuthorisedViewLevels());
$document = JFactory::getDocument();
$max_tags = $params->get('max_tags');
$selected_tags = $params->get('selected_tags');
$tags = new stdClass();
$count = array();
$tags->size = array();
$tags->color = array();
$tags->id = array();
$tags->alias = array();
$tags->moduleid = $moduleid;
$query = $db->getQuery(true)
->select(
array(
$db->quoteName('m.tag_id') . ' AS tag_id',
$db->quoteName('t.access') . ' AS access',
$db->quoteName('t.alias') . ' AS alias',
$db->quoteName('t.path') . ' AS path',
$db->quoteName('t.title') . ' AS title',
$db->quoteName('t.parent_id') . ' AS parent_id',
$db->quoteName('m.type_alias') . ' AS type_alias',
$db->quoteName('c.core_catid') . ' AS catid'
)
)
->from($db->quoteName('#__contentitem_tag_map') . ' AS m')
->where($db->quoteName('t.access') . ' IN (' . $groups . ')');
// only return accessible content
$query->where($db->quoteName('c.core_access') . ' IN (' . $groups . ')');
// only return published tags
$query->where($db->quoteName('t.published') . ' = 1 ');
// only return published content
$query->where($db->quoteName('c.core_state') . ' = 1 ');
// Optionally filter on language
$language = JComponentHelper::getParams('com_tags')->get('tag_list_language_filter', 'all');
if ($language != 'all')
{
if ($language == 'current_language')
{
$language = JHelperContent::getCurrentLanguage();
}
$query->where($db->quoteName('t.language') . ' IN (' . $db->quote($language) . ', ' . $db->quote('*') . ')');
}
$query->join('INNER', $db->quoteName('#__tags', 't') . ' ON m.tag_id = t.id')
->join('INNER', $db->quoteName('#__ucm_content', 'c') . ' ON m.type_alias = c.core_type_alias AND m.core_content_id = c.core_content_id');
$db->setQuery($query);
//echo $query->__toString();
//exit;
try
{
$results = $db->loadObjectList();
}
catch (RuntimeException $e)
{
$results = array();
JFactory::getApplication()->enqueueMessage($e->getMessage(), 'error');
}
$filtered_array = Array();
$tmp_array = Array();
$categories_filter = $params->get('categories_filter');
// filtered by selected tags and categories
foreach ($results as $result)
{
if (empty($selected_tags) || in_array($result->tag_id, $selected_tags))
{
$type_alias = explode("." , $result->type_alias);
$cat_alias = $type_alias[0].'.'.$result->catid;
if (empty($categories_filter) || in_array($cat_alias, $categories_filter))
{
if (array_key_exists($result->title, $tmp_array))
{
$tmp_array[$result->title]->count ++;
}
else
{
$tmp_array[$result->title] = new stdClass();
$tmp_array[$result->title]->count = 1;
$tmp_array[$result->title]->id = $result->tag_id;
$tmp_array[$result->title]->alias = $result->alias;
}
}
}
}
$i = 0;
$params->get('random_tags') ? self::shuffle_assoc($tmp_array) : arsort($tmp_array);
foreach ($tmp_array as $k => $v)
{
$filtered_array[$i] = new stdClass();
$filtered_array[$i]->tag = $k;
$filtered_array[$i]->count = $v->count;
$filtered_array[$i]->id = $v->id;
$filtered_array[$i]->alias = $v->alias;
$i++;
if ($i == $max_tags)
{
break;
}
}
unset($tmp_array);
$sorted_results = self::tag_sort($filtered_array, $params->get('order'));
foreach ($sorted_results as $a)
{
$tags->count[$a->tag] = $a->count;
$tags->id[$a->tag] = $a->id;
$tags->alias[$a->tag] = $a->alias;
}
$tags->no_tag_found = empty($tags->count) ? true : false;
$min_count = $tags->no_tag_found ? 0 : min($tags->count);
$max_count = $tags->no_tag_found ? 0 : max($tags->count);
$spread = $max_count - $min_count;
if ($spread <= 0)
$spread = 1;
$font_spread = $params->get('max_font_size') - $params->get('min_font_size');
if ($font_spread < 0)
$font_spread = 1;
$font_step = $font_spread / $spread;
foreach($sorted_results as $result)
{
$tags->size[$result->tag] = (int)($params->get('min_font_size') + (($result->count - $min_count) * $font_step));
$tags->color[$result->tag] = $params->get('colorful') ? "color:#".dechex(rand(0,16777215)) : "";
}
$tags->align = $params->get('align').';';
$tags->target = $params->get('target') ? '_blank' : '_self';
$tags->colorful = $params->get('colorful');
$tags->display_count = $params->get('display_count');
// enable google fonts
if ($params->get('google_font') != '')
{
$family = JString::str_ireplace(' ', '+', JString::trim($params->get('google_font')));
$subset = $params->get('script_subset') == '' ? '' : '&subset='.$params->get('script_subset');
$effect = $params->get('google_font_effect') == '' ? '' : '&effect='.JString::substr($params->get('google_font_effect'), 12);
$document->addStyleSheet('http://fonts.googleapis.com/css?family='.$family.$subset.$effect);
$google_font = $params->get('google_font');
$tags->google_font_effect = $params->get('google_font_effect') == '' ? '' : 'class="'.$params->get('google_font_effect').'"';
}
else
{
$google_font = $tags->google_font_effect = "";
}
// build css codes in head
$css['']['width'] = $params->get('width');
$css['']['height'] = $params->get('height');
$css['']['text-align'] = $params->get('align');
$css['']['line-height'] = $params->get('line_height');
$css['a']['margin-left'] = $params->get('horizontal_space');
$css['a']['margin-right'] = $params->get('horizontal_space');
$css['a']['padding'] = $params->get('padding');
$css['a']['-webkit-border-radius'] = $params->get('border_radius');
$css['a']['-moz-border-radius'] = $params->get('border_radius');
$css['a']['border-radius'] = $params->get('border_radius');
$css['a']['font-family'] = $google_font;
$css['a:link']['text-decoration'] = $params->get('underline') ? 'underline' : 'none';
$css['a:link']['color'] = $params->get('color');
$css['a:link']['background-color'] = $params->get('bg_color');
$css['a:link']['font-weight'] = $params->get('bold') ? 'bold' : 'normal';
$css['a:visited']['text-decoration'] = $params->get('underline');
$css['a:visited']['color'] = $params->get('color');
$css['a:visited']['background-color'] = $params->get('bg_color');
$css['a:visited']['font-weight'] = $params->get('bold');
$css['a:hover']['text-decoration'] = $params->get('hover_underline') ? 'underline' : 'none';
$css['a:hover']['color'] = $params->get('hover_color');
$css['a:hover']['background-color'] = $params->get('hover_bg_color');
self::css_builder($css, $moduleid);
return $tags;
}
public function tag_sort($result, $type)
{
$sort_array = Array();
$sort_array2 = Array();
$sort_array3 = Array();
$merge_array = Array();
if($type == 1)
{
return $result; //no need to sort
}
else
{
foreach($result as $r)
{
$sort_array[] = $r->tag;
$sort_array2[] = $r->tag;
$sort_array3[] = $r->count;
}
}
if($type == 0)
{
//sort by tag name
natcasesort($sort_array);
foreach($sort_array as $i => $a)
{
$merge_array[] = $result[$i];
}
}
elseif($type == 2)
{
//sort by most tagged first
natcasesort($sort_array3);
foreach($sort_array3 as $i => $a)
{
$merge_array[] = $result[$i];
}
}
elseif($type == 3)
{
//sort randomly
shuffle($sort_array2);
foreach($sort_array2 as $a)
{
$key = array_keys($sort_array, $a);
$merge_array[] = $result[$key[0]];
}
}
return $merge_array;
}
public function css_builder($blocks, $moduleid)
{
$document = JFactory::getDocument();
$css = '';
foreach ($blocks as $block_k => $block_v)
{
$css .= '#qitagcloud_'.$moduleid.' '.$block_k.'{';
foreach ($block_v as $attr_k => $attr_v)
{
if ($attr_v == '') continue;
$css .= $attr_k.':'.$attr_v.';';
}
$css .= '}';
}
$document->addStyleDeclaration($css);
}
public function shuffle_assoc(&$array)
{
$keys = array_keys($array);
shuffle($keys);
$randomized_array = Array();
foreach ($keys as $key)
{
$randomized_array[$key] = $array[$key];
}
$array = Array();
foreach ($randomized_array as $k => $v)
{
$array[$k] = $v;
}
}
}
?>