From c5cc2821311012a8a4385a304a043c4b41f2afbb Mon Sep 17 00:00:00 2001 From: brettp Date: Mon, 31 Aug 2009 19:05:21 +0000 Subject: All line endings are now Unix-style. git-svn-id: https://code.elgg.org/elgg/trunk@3451 36083f99-b078-4883-b0ff-0f9b5a30f544 --- engine/lib/tags.php | 322 ++++++++++++++++++++++++++-------------------------- 1 file changed, 161 insertions(+), 161 deletions(-) (limited to 'engine/lib/tags.php') diff --git a/engine/lib/tags.php b/engine/lib/tags.php index 8fdb6ecb7..d3db842d1 100644 --- a/engine/lib/tags.php +++ b/engine/lib/tags.php @@ -1,138 +1,138 @@ - + * @author Curverider Ltd - * @link http://elgg.org/ - */ - - - /** - * The algorithm working out the size of font based on the number of tags. - * This is quick and dirty. - */ - function calculate_tag_size($min, $max, $number_of_tags, $buckets = 6) - { - - $delta = (($max - $min) / $buckets); - $thresholds = array(); - - for ($n=1; $n <= $buckets; $n++) { - $thresholds[$n-1] = ($min + $n) * $delta; - } - - // Correction - if ($thresholds[$buckets-1]>$max) $thresholds[$buckets-1] = $max; - - $size = 0; - for ($n = 0; $n < count($thresholds); $n++) { - if ($number_of_tags >= $thresholds[$n]) - $size = $n; - } - - return $size; - } - - /** - * This function generates an array of tags with a weighting. - * - * @param array $tags The array of tags. - * @return An associated array of tags with a weighting, this can then be mapped to a display class. - */ - function generate_tag_cloud(array $tags, $buckets = 6) - { - $cloud = array(); - - $min = 65535; - $max = 0; - - foreach ($tags as $tag) - { - $cloud[$tag]++; - - if ($cloud[$tag]>$max) $max = $cloud[$tag]; - if ($cloud[$tag]<$min) $min = $cloud[$tag]; - } - - foreach ($cloud as $k => $v) - $cloud[$k] = calculate_tag_size($min, $max, $v, $buckets); - - return $cloud; - } - - /** - * Get an array of tags with weights for use with the output/tagcloud view. - * - * @param int $threshold Get the threshold of minimum number of each tags to bother with (ie only show tags where there are more than $threshold occurances) - * @param int $limit Number of tags to return - * @param string $metadata_name Optionally, the name of the field you want to grab for - * @param string $entity_type Optionally, the entity type ('object' etc) - * @param string $entity_subtype The entity subtype, optionally - * @param int $owner_guid The GUID of the tags owner, optionally + * @link http://elgg.org/ + */ + + + /** + * The algorithm working out the size of font based on the number of tags. + * This is quick and dirty. + */ + function calculate_tag_size($min, $max, $number_of_tags, $buckets = 6) + { + + $delta = (($max - $min) / $buckets); + $thresholds = array(); + + for ($n=1; $n <= $buckets; $n++) { + $thresholds[$n-1] = ($min + $n) * $delta; + } + + // Correction + if ($thresholds[$buckets-1]>$max) $thresholds[$buckets-1] = $max; + + $size = 0; + for ($n = 0; $n < count($thresholds); $n++) { + if ($number_of_tags >= $thresholds[$n]) + $size = $n; + } + + return $size; + } + + /** + * This function generates an array of tags with a weighting. + * + * @param array $tags The array of tags. + * @return An associated array of tags with a weighting, this can then be mapped to a display class. + */ + function generate_tag_cloud(array $tags, $buckets = 6) + { + $cloud = array(); + + $min = 65535; + $max = 0; + + foreach ($tags as $tag) + { + $cloud[$tag]++; + + if ($cloud[$tag]>$max) $max = $cloud[$tag]; + if ($cloud[$tag]<$min) $min = $cloud[$tag]; + } + + foreach ($cloud as $k => $v) + $cloud[$k] = calculate_tag_size($min, $max, $v, $buckets); + + return $cloud; + } + + /** + * Get an array of tags with weights for use with the output/tagcloud view. + * + * @param int $threshold Get the threshold of minimum number of each tags to bother with (ie only show tags where there are more than $threshold occurances) + * @param int $limit Number of tags to return + * @param string $metadata_name Optionally, the name of the field you want to grab for + * @param string $entity_type Optionally, the entity type ('object' etc) + * @param string $entity_subtype The entity subtype, optionally + * @param int $owner_guid The GUID of the tags owner, optionally * @param int $site_guid Optionally, the site to restrict to (default is the current site) * @param int $start_ts Optionally specify a start timestamp for tags used to generate cloud. - * @param int $ent_ts Optionally specify an end timestamp for tags used to generate cloud. - * @return array|false Array of objects with ->tag and ->total values, or false on failure - */ - - function get_tags($threshold = 1, $limit = 10, $metadata_name = "", $entity_type = "object", $entity_subtype = "", $owner_guid = "", $site_guid = -1, $start_ts = "", $end_ts = "") { - - global $CONFIG; - - $threshold = (int) $threshold; - $limit = (int) $limit; - - if (!empty($metadata_name)) { - $metadata_name = (int) get_metastring_id($metadata_name); - } else { - $metadata_name = 0; - } - $entity_subtype = get_subtype_id($entity_type, $entity_subtype); - $entity_type = sanitise_string($entity_type); - - if ($owner_guid != "") - if (is_array($owner_guid)) { - foreach($owner_guid as $key => $val) - $owner_guid[$key] = (int) $val; - } else { - $owner_guid = (int) $owner_guid; - } - - if ($site_guid < 0) { - $site_guid = $CONFIG->site_id; - } - - //$access = get_access_list(); - - $query = "SELECT msvalue.string as tag, count(msvalue.id) as total "; + * @param int $ent_ts Optionally specify an end timestamp for tags used to generate cloud. + * @return array|false Array of objects with ->tag and ->total values, or false on failure + */ + + function get_tags($threshold = 1, $limit = 10, $metadata_name = "", $entity_type = "object", $entity_subtype = "", $owner_guid = "", $site_guid = -1, $start_ts = "", $end_ts = "") { + + global $CONFIG; + + $threshold = (int) $threshold; + $limit = (int) $limit; + + if (!empty($metadata_name)) { + $metadata_name = (int) get_metastring_id($metadata_name); + } else { + $metadata_name = 0; + } + $entity_subtype = get_subtype_id($entity_type, $entity_subtype); + $entity_type = sanitise_string($entity_type); + + if ($owner_guid != "") + if (is_array($owner_guid)) { + foreach($owner_guid as $key => $val) + $owner_guid[$key] = (int) $val; + } else { + $owner_guid = (int) $owner_guid; + } + + if ($site_guid < 0) { + $site_guid = $CONFIG->site_id; + } + + //$access = get_access_list(); + + $query = "SELECT msvalue.string as tag, count(msvalue.id) as total "; $query .= "FROM {$CONFIG->dbprefix}entities e join {$CONFIG->dbprefix}metadata md on md.entity_guid = e.guid "; - if ($entity_subtype > 0) - $query .= " join {$CONFIG->dbprefix}entity_subtypes subtype on subtype.id = e.subtype "; - $query .= " join {$CONFIG->dbprefix}metastrings msvalue on msvalue.id = md.value_id "; - - $query .= " where msvalue.string != '' "; - - if ($metadata_name > 0) { - $query .= " and md.name_id = {$metadata_name} "; - } - if ($site_guid > 0) { - $query .= " and e.site_guid = {$site_guid} "; - } - if ($entity_subtype > 0) { - $query .= " and e.subtype = {$entity_subtype} "; - } - if ($entity_type != "") { - $query .= " and e.type = '{$entity_type}' "; - } - if (is_array($owner_guid)) { - $query .= " and e.container_guid in (".implode(",",$owner_guid).")"; - } else if (is_int($owner_guid)) { - $query .= " and e.container_guid = {$owner_guid} "; + if ($entity_subtype > 0) + $query .= " join {$CONFIG->dbprefix}entity_subtypes subtype on subtype.id = e.subtype "; + $query .= " join {$CONFIG->dbprefix}metastrings msvalue on msvalue.id = md.value_id "; + + $query .= " where msvalue.string != '' "; + + if ($metadata_name > 0) { + $query .= " and md.name_id = {$metadata_name} "; + } + if ($site_guid > 0) { + $query .= " and e.site_guid = {$site_guid} "; + } + if ($entity_subtype > 0) { + $query .= " and e.subtype = {$entity_subtype} "; + } + if ($entity_type != "") { + $query .= " and e.type = '{$entity_type}' "; + } + if (is_array($owner_guid)) { + $query .= " and e.container_guid in (".implode(",",$owner_guid).")"; + } else if (is_int($owner_guid)) { + $query .= " and e.container_guid = {$owner_guid} "; } if ($start_ts) { $start_ts = (int)$start_ts; @@ -142,35 +142,35 @@ if ($end_ts) { $end_ts = (int)$end_ts; $query .= " and e.time_created<=$end_ts"; - } - - //$userid = get_loggedin_userid(); - //$query .= " and (e.access_id in {$access} or (e.access_id = " . ACCESS_PRIVATE . " and e.owner_guid = {$userid}))"; - $query .= ' and ' . get_access_sql_suffix("e"); // Add access controls - - $query .= " group by msvalue.string having total > {$threshold} order by total desc limit {$limit} "; - - return get_data($query); - - } - - /** - * Loads and displays a tagcloud given particular criteria. - * - * @param int $threshold Get the threshold of minimum number of each tags to bother with (ie only show tags where there are more than $threshold occurances) - * @param int $limit Number of tags to return - * @param string $metadata_name Optionally, the name of the field you want to grab for - * @param string $entity_type Optionally, the entity type ('object' etc) - * @param string $entity_subtype The entity subtype, optionally - * @param int $owner_guid The GUID of the tags owner, optionally - * @param int $site_guid Optionally, the site to restrict to (default is the current site) - * @return string THe HTML (or other, depending on view type) of the tagcloud. - */ - - function display_tagcloud($threshold = 1, $limit = 10, $metadata_name = "", $entity_type = "object", $entity_subtype = "", $owner_guid = "", $site_guid = -1) { - - return elgg_view("output/tagcloud",array('value' => get_tags($threshold, $limit, $metadata_name, $entity_type, $entity_subtype, $owner_guid, $site_guid),'object' => $entity_type, 'subtype' => $entity_subtype)); - - } - + } + + //$userid = get_loggedin_userid(); + //$query .= " and (e.access_id in {$access} or (e.access_id = " . ACCESS_PRIVATE . " and e.owner_guid = {$userid}))"; + $query .= ' and ' . get_access_sql_suffix("e"); // Add access controls + + $query .= " group by msvalue.string having total > {$threshold} order by total desc limit {$limit} "; + + return get_data($query); + + } + + /** + * Loads and displays a tagcloud given particular criteria. + * + * @param int $threshold Get the threshold of minimum number of each tags to bother with (ie only show tags where there are more than $threshold occurances) + * @param int $limit Number of tags to return + * @param string $metadata_name Optionally, the name of the field you want to grab for + * @param string $entity_type Optionally, the entity type ('object' etc) + * @param string $entity_subtype The entity subtype, optionally + * @param int $owner_guid The GUID of the tags owner, optionally + * @param int $site_guid Optionally, the site to restrict to (default is the current site) + * @return string THe HTML (or other, depending on view type) of the tagcloud. + */ + + function display_tagcloud($threshold = 1, $limit = 10, $metadata_name = "", $entity_type = "object", $entity_subtype = "", $owner_guid = "", $site_guid = -1) { + + return elgg_view("output/tagcloud",array('value' => get_tags($threshold, $limit, $metadata_name, $entity_type, $entity_subtype, $owner_guid, $site_guid),'object' => $entity_type, 'subtype' => $entity_subtype)); + + } + ?> \ No newline at end of file -- cgit v1.2.3