Move all function related with invitation styles to InvitationStyle class

src/mibew/libs/classes/invitation_style.php

@@ -0,0 +1,94 @@
+<?php
+/*
+ * Copyright 2005-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Represents a style for invitations
+ */
+class InvitationStyle extends Style implements StyleInterface {
+	/**
+	 * Builds base path for style files. This path is relative Mibew root and
+	 * does not contain neither leading nor trailing slash.
+	 *
+	 * @return string Base path for style files
+	 */
+	public function filesPath() {
+		return 'styles/invitations/' . $this->name();
+	}
+
+	/**
+	 * Loads configurations of the style.
+	 *
+	 * @return array Style configurations
+	 */
+	public function configurations() {
+		return array();
+	}
+
+	/**
+	 * Stub for StyleInterface::render method.
+	 *
+	 * The method does not contain actual code because inviation styles are not
+	 * renderable now.
+	 */
+	public function render($template_name) {
+		return FALSE;
+	}
+
+	/**
+	 * Returns name of the style which is currently used in the system
+	 *
+	 * @return string Name of a style
+	 */
+	public static function currentStyle() {
+		// Load value from system settings
+		return Settings::get('invitationstyle');
+	}
+
+	/**
+	 * Sets style which is currently used in the system
+	 *
+	 * @param string $style_name Name of a style
+	 */
+	public static function setCurrentStyle($style_name) {
+		Settings::set('invitationstyle', $style_name);
+		Settings::update();
+	}
+
+	/**
+	 * Returns an array which contains names of available styles.
+	 *
+	 * @param array List of styles names
+	 */
+	public static function availableStyles() {
+		$styles_root = dirname(dirname(dirname(__FILE__))) .
+			'/styles/invitations';
+
+		return self::getStyleList($styles_root);
+	}
+
+	/**
+	 * Returns array of default configurations for concrete style object. This
+	 * method uses "Template method" design pattern.
+	 *
+	 * @return array Default configurations of the style
+	 */
+	protected function defaultConfigurations() {
+		return array();
+	}
+}
+
+?>

src/mibew/libs/getcode.php

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-function generate_button($title, $locale, $style, $invitationstyle, $group, $inner, $showhost, $forcesecure, $modsecurity, $operator_code)
+function generate_button($title, $locale, $style, $invitation_style_name, $group, $inner, $showhost, $forcesecure, $modsecurity, $operator_code)
 {
 	$app_location = get_app_location($showhost, $forcesecure);
 	$link = $app_location . "/client.php";
@@ -48,12 +48,16 @@ function generate_button($title, $locale, $style, $invitationstyle, $group, $inn
 	if (Settings::get('enabletracking')) {
 		$widget_data = array();
 
+		// Get actual invitation style instance
+		if (!$invitation_style_name) {
+			$invitation_style_name = InvitationStyle::currentStyle();
+		}
+		$invitation_style = new InvitationStyle($invitation_style_name);
+
 		// URL of file with additional CSS rules for invitation popup
-		$widget_data['inviteStyle'] = $app_location . '/styles/invitations/' .
+		$widget_data['inviteStyle'] = $app_location . '/' .
-			($invitationstyle
+			$invitation_style->filesPath() .
-				? $invitationstyle
+			'/invite.css';
-				: (Settings::get('invitationstyle'))
-			) .	'/invite.css';
 
 		// Time between requests to the server in milliseconds
 		$widget_data['requestTimeout'] = Settings::get('updatefrequency_tracking')

src/mibew/libs/styles.php

@@ -1,32 +0,0 @@
-<?php
-/*
- * Copyright 2005-2013 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-function get_style_list($stylesfolder)
-{
-	$stylelist = array();
-	if ($handle = opendir($stylesfolder)) {
-		while (false !== ($file = readdir($handle))) {
-			if (preg_match("/^\w+$/", $file) && is_dir("$stylesfolder/$file")) {
-				$stylelist[$file] = $file;
-			}
-		}
-		closedir($handle);
-	}
-	return $stylelist;
-}
-
-?>

src/mibew/operator/getcode.php

@@ -19,11 +19,11 @@ require_once(dirname(dirname(__FILE__)).'/libs/init.php');
 require_once(dirname(dirname(__FILE__)).'/libs/operator.php');
 require_once(dirname(dirname(__FILE__)).'/libs/groups.php');
 require_once(dirname(dirname(__FILE__)).'/libs/getcode.php');
-require_once(dirname(dirname(__FILE__)).'/libs/styles.php');
 require_once(dirname(dirname(__FILE__)).'/libs/interfaces/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/chat_style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/page_style.php');
+require_once(dirname(dirname(__FILE__)).'/libs/classes/invitation_style.php');
 
 $operator = check_login();
 force_password($operator);
@@ -44,7 +44,7 @@ if ($style && !in_array($style, $stylelist)) {
 	$style = "";
 }
 
-$invitationstylelist = get_style_list(dirname(dirname(__FILE__)).'/styles/invitations');
+$invitationstylelist = InvitationStyle::availableStyles();
 $invitationstylelist[""] = getlocal("page.preview.style_default");
 $invitationstyle = verifyparam("invitationstyle", "/^\w*$/", "");
 if ($invitationstyle && !in_array($invitationstyle, $invitationstylelist)) {

src/mibew/operator/invitationthemes.php

@@ -21,14 +21,14 @@ require_once(dirname(dirname(__FILE__)).'/libs/operator.php');
 require_once(dirname(dirname(__FILE__)).'/libs/groups.php');
 require_once(dirname(dirname(__FILE__)).'/libs/expand.php');
 require_once(dirname(dirname(__FILE__)).'/libs/settings.php');
-require_once(dirname(dirname(__FILE__)).'/libs/styles.php');
 require_once(dirname(dirname(__FILE__)).'/libs/interfaces/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/page_style.php');
+require_once(dirname(dirname(__FILE__)).'/libs/classes/invitation_style.php');
 
 $operator = check_login();
 
-$stylelist = get_style_list(dirname(dirname(__FILE__)).'/styles/invitations');
+$stylelist = InvitationStyle::availableStyles();
 
 $preview = verifyparam("preview", "/^\w+$/", "default");
 if (!in_array($preview, $stylelist)) {

src/mibew/operator/page_themes.php

@@ -18,7 +18,6 @@
 require_once(dirname(dirname(__FILE__)).'/libs/init.php');
 require_once(dirname(dirname(__FILE__)).'/libs/operator.php');
 require_once(dirname(dirname(__FILE__)).'/libs/settings.php');
-require_once(dirname(dirname(__FILE__)).'/libs/styles.php');
 require_once(dirname(dirname(__FILE__)).'/libs/interfaces/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/page_style.php');

src/mibew/operator/settings.php

@@ -18,12 +18,12 @@
 require_once(dirname(dirname(__FILE__)).'/libs/init.php');
 require_once(dirname(dirname(__FILE__)).'/libs/operator.php');
 require_once(dirname(dirname(__FILE__)).'/libs/settings.php');
-require_once(dirname(dirname(__FILE__)).'/libs/styles.php');
 require_once(dirname(dirname(__FILE__)).'/libs/cron.php');
 require_once(dirname(dirname(__FILE__)).'/libs/interfaces/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/chat_style.php');
 require_once(dirname(dirname(__FILE__)).'/libs/classes/page_style.php');
+require_once(dirname(dirname(__FILE__)).'/libs/classes/invitation_style.php');
 
 $operator = check_login();
 force_password($operator);
@@ -52,7 +52,7 @@ $options = array(
 
 if (Settings::get('enabletracking')) {
 	$options[] = 'invitationstyle';
-	$invitationstylelist = get_style_list(dirname(dirname(__FILE__)).'/styles/invitations');
+	$invitationstylelist = InvitationStyle::availableStyles();
 }
 
 $params = array();