From b339fd125870bb0b084cf54b03cdacd257cc560b Mon Sep 17 00:00:00 2001
From: Steve Clay <steve@mrclay.org>
Date: Thu, 17 Jan 2013 10:24:54 -0500
Subject: Corrects encoding and other small tweaks in Twitter widget

---
 mod/twitter/languages/en.php                       |  9 ++---
 .../views/default/widgets/twitter/content.php      | 41 ++++++++++++++--------
 mod/twitter/views/default/widgets/twitter/edit.php | 34 +++++++++++-------
 3 files changed, 54 insertions(+), 30 deletions(-)

diff --git a/mod/twitter/languages/en.php b/mod/twitter/languages/en.php
index 29700744a..11e745ba1 100644
--- a/mod/twitter/languages/en.php
+++ b/mod/twitter/languages/en.php
@@ -4,13 +4,14 @@
  */
 
 $english = array(
-
 	'twitter:title' => 'Twitter',
 	'twitter:info' => 'Display your latest tweets',
-	'twitter:username' => 'Enter your twitter username.',
-	'twitter:num' => 'The number of tweets to show.',
+	'twitter:username' => 'Your twitter username',
+	'twitter:num' => 'Number of tweets to show*',
 	'twitter:visit' => 'visit my twitter',
-	'twitter:notset' => 'This Twitter widget is not yet set to go. To display your latest tweets, click on - edit - and fill in your details',
+	'twitter:notset' => 'This widget needs to be configured. To display your latest tweets, click the customize icon and fill in your Twitter username.',
+	'twitter:invalid' => 'This widget is configured with an invalid Twitter username. Click the customize icon to correct it.',
+	'twitter:apibug' => "*Due to a bug in the Twitter 1.0 API, you may see fewer tweets than you ask for.",
 );
 
 add_translation("en", $english);
diff --git a/mod/twitter/views/default/widgets/twitter/content.php b/mod/twitter/views/default/widgets/twitter/content.php
index c616d944c..dd741745e 100644
--- a/mod/twitter/views/default/widgets/twitter/content.php
+++ b/mod/twitter/views/default/widgets/twitter/content.php
@@ -6,26 +6,39 @@
  * @package ElggTwitter
  */
 
-//some required params
-
 $username = $vars['entity']->twitter_username;
+
+if (empty($username)) {
+	echo "<p>" . elgg_echo("twitter:notset") . "</p>";
+	return;
+}
+
+$username_is_valid = preg_match('~^[a-zA-Z0-9_]{1,20}$~', $username);
+
+if (!$username_is_valid) {
+	echo "<p>" . elgg_echo("twitter:invalid") . "</p>";
+	return;
+}
+
+
+
 $num = $vars['entity']->twitter_num;
+if (empty($num)) {
+	$num = 5;
+}
 
-// if the twitter username is empty, then do not show
-if ($username) {
+// @todo upgrade to 1.1 API https://dev.twitter.com/docs/api/1.1/get/statuses/home_timeline
+$script_url = "https://api.twitter.com/1/statuses/user_timeline/" . urlencode($username) . ".json"
+            . "?callback=twitterCallback2&count=" . (int) $num;
 
 ?>
-
 <div id="twitter_widget">
 	<ul id="twitter_update_list"></ul>
-	<p class="visit_twitter"><a href="http://twitter.com/<?php echo $username; ?>"><?php echo elgg_echo("twitter:visit"); ?></a></p>
+	<p class="visit_twitter"><?php echo elgg_view('output/url', array(
+		'text' => elgg_echo("twitter:visit"),
+		'href' => 'http://twitter.com/' . urlencode($username),
+		'is_trusted' => true,
+	)) ?></p>
 	<script type="text/javascript" src="http://twitter.com/javascripts/blogger.js"></script>
-	<script type="text/javascript" src="https://api.twitter.com/1/statuses/user_timeline/<?php echo $username; ?>.json?callback=twitterCallback2&count=<?php echo $num; ?>"></script>
+	<script type="text/javascript" src="<?php echo htmlspecialchars($script_url, ENT_QUOTES, 'UTF-8') ?>"></script>
 </div>
-
-<?php
-} else {
-
-	echo "<p>" . elgg_echo("twitter:notset") . ".</p>";
-
-}
diff --git a/mod/twitter/views/default/widgets/twitter/edit.php b/mod/twitter/views/default/widgets/twitter/edit.php
index 5da3a7e55..5dd291257 100644
--- a/mod/twitter/views/default/widgets/twitter/edit.php
+++ b/mod/twitter/views/default/widgets/twitter/edit.php
@@ -1,16 +1,26 @@
 <?php
 
-    /**
-	 * Elgg twitter edit page
-	 *
-	 * @package ElggTwitter
-	 */
+/**
+ * Elgg twitter edit page
+ *
+ * @package ElggTwitter
+ */
 
 ?>
-	<p>
-		<?php echo elgg_echo("twitter:username"); ?>
-		<input type="text" name="params[twitter_username]" value="<?php echo htmlentities($vars['entity']->twitter_username); ?>" />	
-		<br /><?php echo elgg_echo("twitter:num"); ?>
-		<input type="text" name="params[twitter_num]" value="<?php echo htmlentities($vars['entity']->twitter_num); ?>" />	
-	
-	</p>
\ No newline at end of file
+<p>
+	<label><?php echo elgg_echo("twitter:username"); ?>
+	<?php echo elgg_view('input/text', array(
+		'name' => 'params[twitter_username]',
+		'value' => $vars['entity']->twitter_username,
+	)) ?>
+	</label>
+</p>
+<p>
+	<label><?php echo elgg_echo("twitter:num"); ?>
+	<?php echo elgg_view('input/text', array(
+		'name' => 'params[twitter_num]',
+		'value' => $vars['entity']->twitter_num,
+	)) ?>
+	</label>
+	<small style="font-size:.9em"><?php echo elgg_echo("twitter:apibug") ?></small>
+</p>
\ No newline at end of file
-- 
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