added Thomas Niepraschk's tag autocomplete feature

[scuttle] / jsScuttle.php

diff --git a/jsScuttle.php b/jsScuttle.php
index 93fa85bd7ab906982b7c13077237311e4cfa1050..60e403ac7db2d3af5e9571ecc31d81289d202a03 100644 (file)
--- a/jsScuttle.php
+++ b/jsScuttle.php
@@ -3,6 +3,12 @@ header('Content-Type: text/javascript');
 require_once 'header.inc.php';
 require_once 'functions.inc.php';
 $player_root = $root .'includes/player/';
+
+$userservice     =& ServiceFactory::getServiceInstance('UserService');
+if ($userservice->isLoggedOn()) {
+    $currentUser = $userservice->getCurrentUser();
+    $currentUsername = $currentUser[$userservice->getFieldName('username')];
+}
 ?>
 
 var deleted = false;
@@ -49,8 +55,65 @@ function getTitle(input) {
   }
 }
 
+function autocomplete() {
+       $.ajax({
+               url: '<?php echo $root?>alltags/<?php echo $currentUsername?>',
+               success: function(data) {
+                       //console.log($(data));
+                       var availableTags = new Array();
+                       $(data).find('a').each(function() {
+                               availableTags.push($(this).html());
+                               //console.log($(this).html());
+                       });
+                       
+                       $( ".autocomplete" )
+                               // don't navigate away from the field on tab when selecting an item
+                               .bind( "keydown", function( event ) {
+                                       if ( event.keyCode === $.ui.keyCode.TAB &&
+                                                       $( this ).data( "autocomplete" ).menu.active ) {
+                                               event.preventDefault();
+                                       }
+                               })
+                               .autocomplete({
+                                       minLength: 0,
+                                       source: function( request, response ) {
+                                               // delegate back to autocomplete, but extract the last term
+                                               response( $.ui.autocomplete.filter(
+                                                       availableTags, extractLast( request.term ) ) );
+                                       },
+                                       focus: function() {
+                                               // prevent value inserted on focus
+                                               return false;
+                                       },
+                                       select: function( event, ui ) {
+                                               var terms = split( this.value );
+                                               // remove the current input
+                                               terms.pop();
+                                               // add the selected item
+                                               terms.push( ui.item.value );
+                                               // add placeholder to get the comma-and-space at the end
+                                               terms.push( "" );
+                                               this.value = terms.join( ", " );
+                                               return false;
+                                       }
+                               });
+               }
+       });
+       
+}
+
+function split( val ) {
+               return val.split( /,\s*/ );
+       }
+function extractLast( term ) {
+       return split( term ).pop();
+}
+
 /* Page load */
 $(function() {
+       
+       autocomplete();
+       
   // Insert Flash player for MP3 links
   if ($("#bookmarks").length > 0) {
     $("a[href$=.mp3].taggedlink").each(function() {