Merge dev (1.7.2-alpha) into 1.8

VERSION.txt

-1.7.0
\ No newline at end of file
+1.7.1
\ No newline at end of file

qa-include/app/format.php

@@ -1466,15 +1466,10 @@
 		foreach ($keysourceids as $key => $dummy) {
 			$funcscript[]="\tvar e=document.getElementById(".qa_js($key).");";
 			$funcscript[]="\tvar ".$key."=e && (e.checked || (e.options && e.options[e.selectedIndex].value));";
-			$loadscript[]="var e=document.getElementById(".qa_js($key).");";
-			$loadscript[]="if (e) {";
-			$loadscript[]="\t".$key."_oldonclick=e.onclick;";
-			$loadscript[]="\te.onclick=function() {";
-			$loadscript[]="\t\t".$function."(false);";
-			$loadscript[]="\t\tif (typeof ".$key."_oldonclick=='function')";
-			$loadscript[]="\t\t\t".$key."_oldonclick();";
-			$loadscript[]="\t};";
-			$loadscript[]="}";
+
+			$loadscript[]="jQuery(".qa_js('#'.$key).").click(function() {";
+			$loadscript[]="\t".$function."(false);";
+			$loadscript[]="});";
 		}
 
 		foreach ($effects as $target => $sources) {

qa-include/app/post-update.php

@@ -437,6 +437,8 @@
 		if ($oldquestion['type']!='Q_HIDDEN')
 			qa_fatal_error('Tried to delete a non-hidden question');
 
+		qa_report_event('q_delete_before', $userid, $handle, $cookieid, $params);
+
 		if (isset($oldclosepost) && ($oldclosepost['parentid']==$oldquestion['postid'])) {
 			qa_db_post_set_closed($oldquestion['postid'], null); // for foreign key constraint
 			qa_post_unindex($oldclosepost['postid']);
@@ -451,8 +453,6 @@
 			'oldquestion' => $oldquestion,
 		);
 
-		qa_report_event('q_delete_before', $userid, $handle, $cookieid, $params);
-
 		qa_post_unindex($oldquestion['postid']);
 		qa_db_post_delete($oldquestion['postid']); // also deletes any related voteds due to foreign key cascading
 		qa_update_counts_for_q(null);

qa-include/db/selects.php

@@ -1026,8 +1026,8 @@
 	{
 		return array(
 			'columns' => array('wordid', 'word', 'tagcount'),
-			'source' => '^words WHERE word=$',
-			'arguments' => array($tag),
+			'source' => '^words WHERE word=$ AND word=$ COLLATE utf8_bin',
+			'arguments' => array($tag, qa_strtolower($tag)),
 			'single' => true,
 		);
 	}

qa-include/pages/account.php

@@ -77,7 +77,7 @@
 
 			$inprofile=array();
 			foreach ($userfields as $userfield)
-			$inprofile[$userfield['fieldid']] = qa_post_text('field_' . $userfield['fieldid']);
+				$inprofile[$userfield['fieldid']] = qa_post_text('field_' . $userfield['fieldid']);
 
 			if (!qa_check_form_security_code('account', qa_post_text('code')))
 				$errors['page'] = qa_lang_html('misc/form_security_again');

qa-include/pages/admin/admin-default.php

@@ -1235,7 +1235,6 @@
 					$editors = qa_list_modules('editor');
 
 					$selectoptions = array();
-					$optionslinks = false;
 
 					foreach ($editors as $editor) {
 						$selectoptions[qa_html($editor)] = strlen($editor) ? qa_html($editor) : qa_lang_html('admin/basic_editor');

qa-include/pages/default.php

@@ -112,8 +112,6 @@
 		qa_set_template('custom');
 		$qa_content=qa_content_prepare();
 		$qa_content['title']=qa_html(qa_opt('custom_home_heading'));
-		if (qa_opt('show_home_description'))
-			$qa_content['description']=qa_html(qa_opt('home_description'));
 		$qa_content['custom']=qa_opt('custom_home_content');
 		return $qa_content;
 	}
@@ -162,9 +160,6 @@
 		null // category nav params
 	);
 
-	if ( (!$explicitqa) && (!$countslugs) && qa_opt('show_home_description') )
-		$qa_content['description']=qa_html(qa_opt('home_description'));
-
 
 	return $qa_content;
 

qa-include/pages/question-submit.php

@@ -333,6 +333,7 @@
 			$errors['content']=qa_lang_html('misc/form_security_again');
 
 		else {
+			// call any filter plugins
 			$filtermodules=qa_load_modules_with('filter', 'filter_answer');
 			foreach ($filtermodules as $filtermodule) {
 				$oldin=$in;
@@ -340,9 +341,11 @@
 				qa_update_post_text($in, $oldin);
 			}
 
+			// check CAPTCHA
 			if ($usecaptcha)
 				qa_captcha_validate_post($errors);
 
+			// check for duplicate posts
 			if (empty($errors)) {
 				$testwords=implode(' ', qa_string_to_words($in['content']));
 
@@ -352,12 +355,24 @@
 							$errors['content']=qa_lang_html('question/duplicate_content');
 			}
 
+			$userid = qa_get_logged_in_userid();
+
+			// if this is an additional answer, check we can add it
+			if (empty($errors) && !qa_opt('allow_multi_answers')) {
+				foreach ($answers as $answer) {
+					if (qa_post_is_by_user($answer, $userid, qa_cookie_get())) {
+						$errors[] = '';
+						break;
+					}
+				}
+			}
+
+			// create the answer
 			if (empty($errors)) {
-				$userid=qa_get_logged_in_userid();
-				$handle=qa_get_logged_in_handle();
-				$cookieid=isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
+				$handle = qa_get_logged_in_handle();
+				$cookieid = isset($userid) ? qa_cookie_get() : qa_cookie_get_create(); // create a new cookie if necessary
 
-				$answerid=qa_answer_create($userid, $handle, $cookieid, $in['content'], $in['format'], $in['text'], $in['notify'], $in['email'],
+				$answerid = qa_answer_create($userid, $handle, $cookieid, $in['content'], $in['format'], $in['text'], $in['notify'], $in['email'],
 					$question, $in['queued'], $in['name']);
 
 				return $answerid;

qa-include/pages/register.php

@@ -194,17 +194,6 @@
 		));
 	}
 
-	// show T&Cs checkbox
-	if ($show_terms) {
-		$qa_content['form']['fields']['terms'] = array(
-			'type' => 'checkbox',
-			'label' => trim(qa_opt('register_terms')),
-			'tags' => 'name="terms" id="terms"',
-			'value' => qa_html(@$interms),
-			'error' => qa_html(@$errors['terms']),
-		);
-	}
-
 	foreach ($userfields as $userfield) {
 		$value = @$inprofile[$userfield['fieldid']];
 
@@ -224,6 +213,17 @@
 	if (qa_opt('captcha_on_register'))
 		qa_set_up_captcha_field($qa_content, $qa_content['form']['fields'], @$errors);
 
+	// show T&Cs checkbox
+	if ($show_terms) {
+		$qa_content['form']['fields']['terms'] = array(
+			'type' => 'checkbox',
+			'label' => trim(qa_opt('register_terms')),
+			'tags' => 'name="terms" id="terms"',
+			'value' => qa_html(@$interms),
+			'error' => qa_html(@$errors['terms']),
+		);
+	}
+
 	$loginmodules = qa_load_modules_with('login', 'login_html');
 
 	foreach ($loginmodules as $module) {

qa-include/plugins/qa-filter-basic.php

@@ -27,47 +27,64 @@ class qa_filter_basic
 {
 	public function filter_email(&$email, $olduser)
 	{
-		if (!strlen($email))
+		if (!strlen($email)) {
 			return qa_lang('users/email_required');
-
-		if (!qa_email_validate($email))
+		}
+		if (!qa_email_validate($email)) {
 			return qa_lang('users/email_invalid');
-
-		if (qa_strlen($email)>QA_DB_MAX_EMAIL_LENGTH)
+		}
+		if (qa_strlen($email) > QA_DB_MAX_EMAIL_LENGTH) {
 			return qa_lang_sub('main/max_length_x', QA_DB_MAX_EMAIL_LENGTH);
+		}
 	}
 
 	public function filter_handle(&$handle, $olduser)
 	{
-		if (!strlen($handle))
+		if (!strlen($handle)) {
 			return qa_lang('users/handle_empty');
-
-		if (preg_match('/[\\@\\+\\/]/', $handle))
+		}
+		if (preg_match('/[\\@\\+\\/]/', $handle)) {
 			return qa_lang_sub('users/handle_has_bad', '@ + /');
-
-		if (qa_strlen($handle)>QA_DB_MAX_HANDLE_LENGTH)
+		}
+		if (qa_strlen($handle) > QA_DB_MAX_HANDLE_LENGTH) {
 			return qa_lang_sub('main/max_length_x', QA_DB_MAX_HANDLE_LENGTH);
+		}
 	}
 
 	public function filter_question(&$question, &$errors, $oldquestion)
 	{
-		$this->validate_length($errors, 'title', @$question['title'], qa_opt('min_len_q_title'),
-			max(qa_opt('min_len_q_title'), min(qa_opt('max_len_q_title'), QA_DB_MAX_TITLE_LENGTH)));
+		if ($oldquestion === null) {
+			// a new post requires these fields be set
+			$question['title'] = isset($question['title']) ? $question['title'] : '';
+			$question['content'] = isset($question['content']) ? $question['content'] : '';
+			$question['text'] = isset($question['text']) ? $question['text'] : '';
+			$question['tags'] = isset($question['tags']) ? $question['tags'] : array();
+		}
 
-		$this->validate_length($errors, 'content', @$question['content'], 0, QA_DB_MAX_CONTENT_LENGTH); // for storage
+		$qminlength = qa_opt('min_len_q_title');
+		$qmaxlength = max($qminlength, min(qa_opt('max_len_q_title'), QA_DB_MAX_TITLE_LENGTH));
+		$this->validate_field_length($errors, $question, 'title', $qminlength, $qmaxlength);
 
-		$this->validate_length($errors, 'content', @$question['text'], qa_opt('min_len_q_content'), null); // for display
+		$this->validate_field_length($errors, $question, 'content', 0, QA_DB_MAX_CONTENT_LENGTH); // for storage
+		$this->validate_field_length($errors, $question, 'text', qa_opt('min_len_q_content'), null); // for display
 
 		if (isset($question['tags'])) {
-			$counttags=count($question['tags']);
-			$mintags=min(qa_opt('min_num_q_tags'), qa_opt('max_num_q_tags'));
-
-			if ($counttags<$mintags)
-				$errors['tags']=qa_lang_sub('question/min_tags_x', $mintags);
-			elseif ($counttags>qa_opt('max_num_q_tags'))
-				$errors['tags']=qa_lang_sub('question/max_tags_x', qa_opt('max_num_q_tags'));
-			else
-				$this->validate_length($errors, 'tags', qa_tags_to_tagstring($question['tags']), 0, QA_DB_MAX_TAGS_LENGTH); // for storage
+			$counttags = count($question['tags']);
+			$maxtags = qa_opt('max_num_q_tags');
+			$mintags = min(qa_opt('min_num_q_tags'), $maxtags);
+
+			if ($counttags < $mintags) {
+				$errors['tags'] = qa_lang_sub('question/min_tags_x', $mintags);
+			}
+			elseif ($counttags > $maxtags) {
+				$errors['tags'] = qa_lang_sub('question/max_tags_x', $maxtags);
+			}
+			else {
+				$tagstring = qa_tags_to_tagstring($question['tags']);
+				if (qa_strlen($tagstring) > QA_DB_MAX_TAGS_LENGTH) { // for storage
+					$errors['tags'] = qa_lang_sub('main/max_length_x', $maxlength);
+				}
+			}
 		}
 
 		$this->validate_post_email($errors, $question);
@@ -75,32 +92,34 @@ class qa_filter_basic
 
 	public function filter_answer(&$answer, &$errors, $question, $oldanswer)
 	{
-		$this->validate_length($errors, 'content', @$answer['content'], 0, QA_DB_MAX_CONTENT_LENGTH); // for storage
-		$this->validate_length($errors, 'content', @$answer['text'], qa_opt('min_len_a_content'), null); // for display
+		$this->validate_field_length($errors, $answer, 'content', 0, QA_DB_MAX_CONTENT_LENGTH); // for storage
+		$this->validate_field_length($errors, $answer, 'text', qa_opt('min_len_a_content'), null, 'content'); // for display
 		$this->validate_post_email($errors, $answer);
 	}
 
 	public function filter_comment(&$comment, &$errors, $question, $parent, $oldcomment)
 	{
-		$this->validate_length($errors, 'content', @$comment['content'], 0, QA_DB_MAX_CONTENT_LENGTH); // for storage
-		$this->validate_length($errors, 'content', @$comment['text'], qa_opt('min_len_c_content'), null); // for display
+		$this->validate_field_length($errors, $comment, 'content', 0, QA_DB_MAX_CONTENT_LENGTH); // for storage
+		$this->validate_field_length($errors, $comment, 'text', qa_opt('min_len_a_content'), null, 'content'); // for display
 		$this->validate_post_email($errors, $comment);
 	}
 
 	public function filter_profile(&$profile, &$errors, $user, $oldprofile)
 	{
-		foreach ($profile as $field => $value)
-			$this->validate_length($errors, $field, $value, 0, QA_DB_MAX_PROFILE_CONTENT_LENGTH);
+		foreach (array_keys($profile) as $field) {
+			// ensure fields are not NULL
+			$profile[$field] = (string) $profile[$field];
+			$this->validate_field_length($errors, $profile, $field, 0, QA_DB_MAX_CONTENT_LENGTH);
+		}
 	}
 
 
-//	The definitions below are not part of a standard filter module, but just used within this one
+	// The definitions below are not part of a standard filter module, but just used within this one
 
 	/**
 	 * Add textual element $field to $errors if length of $input is not between $minlength and $maxlength.
 	 *
-	 * @deprecated This function will become private in Q2A 1.8. It is specific to this plugin and
-	 * should not be used by outside code.
+	 * @deprecated This function is no longer used and will removed in the future.
 	 */
 	public function validate_length(&$errors, $field, $input, $minlength, $maxlength)
 	{
@@ -113,6 +132,34 @@ class qa_filter_basic
 	}
 
 	/**
+	 * Check that a field meets the length requirements. If we're editing the post we can ignore missing fields.
+	 *
+	 * @param array $errors    Array of errors, with keys matching $post
+	 * @param array $post      The post containing the field we want to validate
+	 * @param string $key      The element of $post to validate
+	 * @param int $minlength
+	 * @param int $maxlength
+	 */
+	private function validate_field_length(&$errors, &$post, $key, $minlength, $maxlength, $errorKey=null)
+	{
+		if (!$errorKey) {
+			$errorKey = $key;
+		}
+
+		// skip the field is key not set (for example, 'title' when recategorizing questions)
+		if (array_key_exists($key, $post)) {
+			$length = qa_strlen($post[$key]);
+
+			if ($length < $minlength) {
+				$errors[$errorKey] = $minlength == 1 ? qa_lang('main/field_required') : qa_lang_sub('main/min_length_x', $minlength);
+			}
+			else if (isset($maxlength) && ($length > $maxlength)) {
+				$errors[$errorKey] = qa_lang_sub('main/max_length_x', $maxlength);
+			}
+		}
+	}
+
+	/**
 	 * Wrapper function for validating a post's email address.
 	 *
 	 * @deprecated This function will become private in Q2A 1.8. It is specific to this plugin and
@@ -121,9 +168,10 @@ class qa_filter_basic
 	public function validate_post_email(&$errors, $post)
 	{
 		if (@$post['notify'] && strlen(@$post['email'])) {
-			$error=$this->filter_email($post['email'], null);
-			if (isset($error))
-				$errors['email']=$error;
+			$error = $this->filter_email($post['email'], null);
+			if (isset($error)) {
+				$errors['email'] = $error;
+			}
 		}
 	}
 }

qa-include/qa-page.php

@@ -522,6 +522,11 @@
 			'widgets' => array(),
 		);
 
+		// add meta description if we're on the home page
+		if ($request === '' || $request === array_search('', qa_get_request_map())) {
+			$qa_content['description'] = qa_html(qa_opt('home_description'));
+		}
+
 		if (qa_opt('show_custom_in_head'))
 			$qa_content['head_lines'][]=qa_opt('custom_in_head');
 

qa-include/qa-theme-base.php

@@ -751,7 +751,7 @@ class qa_html_theme_base
 		}
 
 		// add closed note in title
-		if (!empty($q_view['closed']))
+		if (!empty($q_view['closed']['state']))
 			$this->output(' ['.$q_view['closed']['state'].']');
 	}
 
@@ -1637,7 +1637,7 @@ class qa_html_theme_base
 			'<div class="qa-q-item-title">',
 			'<a href="'.$q_item['url'].'">'.$q_item['title'].'</a>',
 			// add closed note in title
-			empty($q_item['closed']) ? '' : ' ['.$q_item['closed']['state'].']',
+			empty($q_item['closed']['state']) ? '' : ' ['.$q_item['closed']['state'].']',
 			'</div>'
 		);
 	}

qa-plugin/facebook-login/qa-facebook-login-page.php

@@ -22,14 +22,11 @@
 
 class qa_facebook_login_page
 {
-
 	private $directory;
-	private $urltoroot;
 
 	public function load_module($directory, $urltoroot)
 	{
 		$this->directory=$directory;
-		$this->urltoroot=$urltoroot;
 	}
 
 	public function match_request($request)

qa-plugin/wysiwyg-editor/ckeditor/config.js

@@ -33,4 +33,7 @@ CKEDITOR.editorConfig = function( config ) {
 	// Use native spell checking (note: Ctrl+right-click is required for native context menu)
 	config.disableNativeSpellChecker = false;
 
+	// Prevent blank paragraphs
+	config.fillEmptyBlocks = false;
+
 };

qa-plugin/xml-sitemap/qa-xml-sitemap.php

@@ -137,8 +137,6 @@ class qa_xml_sitemap
 	{
 		@ini_set('display_errors', 0); // we don't want to show PHP errors inside XML
 
-		$siteurl=qa_opt('site_url');
-
 		header('Content-type: text/xml; charset=utf-8');
 
 		echo '<?xml version="1.0" encoding="UTF-8"?>'."\n";
@@ -262,9 +260,6 @@ class qa_xml_sitemap
 			}
 		}
 
-
-	//	Finish up...
-
 		echo "</urlset>\n";
 
 		return null;

qa-theme/SnowFlat/qa-styles.css

@@ -2030,7 +2030,7 @@ input[type="submit"], button {
 	margin-top: 0;
 }
 
-#level .qa-form-wide-static a {
+#level .qa-form-wide-static a:first-child {
 	background-color: #27ae60;
 	background-image: url('images/icons/mail-white.png');
 	background-repeat: no-repeat;
@@ -2040,7 +2040,7 @@ input[type="submit"], button {
 	display: inline-block;
 	color: #fff;
 }
-#level .qa-form-wide-static a:hover, #level .qa-form-wide-static a:focus {
+#level .qa-form-wide-static a:hover:first-child, #level .qa-form-wide-static a:focus:first-child {
 	background-color: #2ecc71;
 	background-image: url('images/icons/mail-white.png');
 	border: 1px solid #25a25a;