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-rw-r--r--views/default/output/tagcloud.php66
1 files changed, 66 insertions, 0 deletions
diff --git a/views/default/output/tagcloud.php b/views/default/output/tagcloud.php
new file mode 100644
index 000000000..2fbf1cd0a
--- /dev/null
+++ b/views/default/output/tagcloud.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * Elgg tagcloud
+ * Displays a tagcloud
+ *
+ * @package Elgg
+ * @subpackage Core
+ *
+ * @uses $vars['tagcloud'] An array of stdClass objects with two elements: 'tag' (the text of the tag) and 'total' (the number of elements with this tag)
+ * @uses $vars['value'] Sames as tagcloud
+ * @uses $vars['type'] Entity type
+ * @uses $vars['subtype'] Entity subtype
+ */
+
+if (!empty($vars['subtype'])) {
+ $subtype = "&entity_subtype=" . urlencode($vars['subtype']);
+} else {
+ $subtype = "";
+}
+if (!empty($vars['type'])) {
+ $type = "&entity_type=" . urlencode($vars['type']);
+} else {
+ $type = "";
+}
+
+if (empty($vars['tagcloud']) && !empty($vars['value'])) {
+ $vars['tagcloud'] = $vars['value'];
+}
+
+if (!empty($vars['tagcloud']) && is_array($vars['tagcloud'])) {
+ $counter = 0;
+ $max = 0;
+
+ foreach ($vars['tagcloud'] as $tag) {
+ if ($tag->total > $max) {
+ $max = $tag->total;
+ }
+ }
+
+ $cloud = '';
+ foreach ($vars['tagcloud'] as $tag) {
+ $tag->tag = htmlspecialchars($tag->tag, ENT_QUOTES, 'UTF-8', false);
+
+ if ($cloud != '') {
+ $cloud .= ', ';
+ }
+ // protecting against division by zero warnings
+ $size = round((log($tag->total) / log($max + .0001)) * 100) + 30;
+ if ($size < 100) {
+ $size = 100;
+ }
+ $url = "search?q=". urlencode($tag->tag) . "&search_type=tags$type$subtype";
+
+ $cloud .= elgg_view('output/url', array(
+ 'text' => $tag->tag,
+ 'href' => $url,
+ 'style' => "font-size: $size%;",
+ 'title' => "$tag->tag ($tag->total)",
+ 'rel' => 'tag'
+ ));
+ }
+
+ $cloud .= elgg_view('tagcloud/extend');
+
+ echo "<div class=\"elgg-tagcloud\">$cloud</div>";
+}