Changeset 257

Timestamp:

May 16, 2007 5:36:18 AM (17 years ago)

Author:

quinn

Message:

Added a function to highlight words matching a search query highlightWords().

Location:

trunk

Files:

• css/codebase.inc.css (modified) (3 diffs)
• lib/Utilities.inc.php (modified) (5 diffs)

trunk/css/codebase.inc.css

@@ -9 +9 @@
  */
 
-/*_____________________ SC Messaging ____________________*/
+/*_____________________ App.inc.php ____________________*/
 .sc-msg { font-family: verdana,geneva,arial,sans-serif; }
 
@@ -25 +25 @@
 .sc-msg-notice { color: #C60; border-color: #C60; }
 
-/*_____________________ PEdit Forms ____________________*/
+/*_____________________ PEdit.inc.php ____________________*/
 
 .sc-pedit-form {}
@@ -49 +49 @@
     white-space: nowrap;
 }
+
+/*_____________________ Utilities.inc.php ____________________*/
+
+.sc-highlightwords {
+    background-color: #EBFE00;
+    color: #000;
+}

trunk/lib/Utilities.inc.php

@@ -67 +67 @@
  * Returns text with appropriate html translations.
  *
- * @param  string $txt              Text to clean.
+ * @param  string $text             Text to clean.
  * @param  bool   $preserve_html    If set to true, oTxt will not translage <, >, ", or '
  *                                  characters into HTML entities. This allows HTML to pass
@@ -73 +73 @@
  * @return string                   Cleaned text.
  */
-function oTxt($txt, $preserve_html=false)
+function oTxt($text, $preserve_html=false)
 {
     $app =& App::getInstance();
@@ -103 +103 @@
     $replace['ampersand']       = '&amp;';
 
-    return preg_replace($search, $replace, htmlentities($txt, ENT_QUOTES, $app->getParam('character_set')));
+    return preg_replace($search, $replace, htmlentities($text, ENT_QUOTES, $app->getParam('character_set')));
 }
 
@@ -110 +110 @@
  * TODO: Allow a string such as this to be passted: <a href="javascript:openPopup('/foo/bar.php')">Click here</a>
  *
- * @param  string   $txt  Text to clean.
+ * @param  string   $text Text to clean.
  * @return string         Cleaned text.
  */
-function fancyTxt($txt)
+function fancyTxt($text)
 {
     $search = array();
@@ -138 +138 @@
     $replace['em_dash']         = '$1&mdash;$2';
 
-    return preg_replace($search, $replace, $txt);
+    return preg_replace($search, $replace, $text);
+}
+
+/**
+ * Applies a class to search terms to highlight them ala-google results.
+ *
+ * @param  string   $text   Input text to search.
+ * @param  string   $search String of word(s) that will be highlighted.
+ * @param  string   $class  CSS class to apply.
+ * @return string           Text with searched words wrapped in <span>.
+ */
+function highlightWords($text, $search, $class='sc-highlightwords')
+{
+    $words = preg_split('/[^\w]/', $search, -1, PREG_SPLIT_NO_EMPTY);
+    
+    $search = array();
+    $replace = array();
+    
+    foreach ($words as $w) {
+        $search[] = '/\b(' . preg_quote($w) . ')\b/i';
+        $replace[] = '<span class="' . $class . '">$1</span>';
+    }
+
+    return preg_replace($search, $replace, $text);
 }