Changeset 336399

Timestamp:

01/24/2011 05:23:12 AM (15 years ago)

Author:

mgolawala

Message:

Add Check for compatible PHP Version before initializing. Also add deactivation hook, that will clean up the option entry for the plugin

Location:

wp-category-manager/trunk

Files:

• readme.txt (modified) (1 diff)
• wp-category-manager.php (modified) (9 diffs)
• wpcm-options.php (modified) (4 diffs)

wp-category-manager/trunk/readme.txt

@@ -39 +39 @@
 == Changelog ==
 
+= 2.0.0.2 =
+* Checks for compatible version of PHP before allowing plugin to be activated.
+* Better cleanup on plugin deactivation. (Also means loss of settings on deactivation)
+
 = 2.0.0.1 =
 * Minor Patch to stop loading of JS & CSS files outside the Admin section

wp-category-manager/trunk/wp-category-manager.php

@@ -35 +35 @@
 {
     var $plugin_url;
-    
+
     function CategoryManager()
     {
@@ -50 +50 @@
         }
     }
-    
-    function add_dashboard_widgets() 
+
+    function add_dashboard_widgets()
     {
         if(wpcm_options::get_option('OnDashboard') == 'on' && (function_exists('current_user_can') ?  current_user_can('edit_posts') : true) )
@@ -59 +59 @@
                 , array(&$this, 'dashboard_widget_render_function'));
         }
-    } 
-    
-    function dashboard_widget_render_function() 
+    }
+
+    function dashboard_widget_render_function()
     {
         $term = wpcm_options::get_option('defaultTerm');
         $postlist = wpcm_functions::get_posts($term, 0);
-        
+
 
         if(wpcm_options::get_option('enableDropdown') == 'on')
@@ -75 +75 @@
             echo '<div class="catmanheader" style="display:none;">';
         }
-        
+
         echo '<span class="catmanpostcount"></span>';
         echo '<span class="catmanselection">';
@@ -81 +81 @@
         echo '</span>';
         echo '</div>';
-        
+
 
         echo '<div id="catmanpostlist" class="list:catmanpost" >';
@@ -100 +100 @@
         echo '<span class="catmannextPage"><a href="javascript:void(0);">[Next]</a></span>';
         echo '</div>';
-    } 
-    
+    }
+
     // Set up default values
-    function install() 
-    {
-        wpcm_options::get_options();
+    function install()
+    {
+        if (version_compare(PHP_VERSION, '5.0.0', '<') )
+        {
+            exit("Sorry, this version of WP-Category-Manager will only run on PHP version 5 or greater!\n");
+        }
+        wpcm_options::set_options();
+    }
+
+    // Uninstall the options set for this plugin
+    function uninstall()
+    {
+        wpcm_options::delete_options();
     }
 
@@ -207 +217 @@
         echo '</div>';
     }
-    
+
     function admin_menu()
     {
         add_options_page('Category Manager Options', 'Category Manager', 8, basename(__FILE__), array('wpcm_options', 'render_option_settings'));
     }
-    
+
     function print_scripts()
     {
         $nonce = wp_create_nonce("wp-category-manager");
-                        
+
         wp_enqueue_script('jquery');
         wp_enqueue_script('categoryManager_script', $this->plugin_url . 'wp-category-manager.js', array('jquery'));
@@ -227 +237 @@
                 , 'showConfirm' => wpcm_options::get_option('showConfirm')
                 ,'nonce' => $nonce));
-                
-    }
-    
+
+    }
+
     function print_styles()
     {
@@ -237 +247 @@
 }
 
-endif; 
+endif;
 
 if ( class_exists('CategoryManager') ) :
-    
+
     $categoryManager = new CategoryManager();
     if (isset($categoryManager)) {
         register_activation_hook( __FILE__, array(&$categoryManager, 'install') );
-    }
-    
+        register_deactivation_hook(__FILE__, array(&$categoryManager, 'uninstall') );
+    }
+
 endif;
 

wp-category-manager/trunk/wpcm-options.php

@@ -1 +1 @@
 <?php
-/* 
+/*
  * This class acts as the interface to the wordpress options table and is used to get and set the option values
+ * for the current plugin.
+ * It is a simple wrapper around the WordPress Options API such that it abstracts out the maintenance
+ * of a single options array for a given plugin.
+ * ToDo : refactor the class such as the options array maintained by this class is defined by the
+ *          plugin using this class. Right now it is hardcoded to maintain the specific options array
+ *          associated with the category manager.
  */
 if ( !class_exists('wpcm_options') ) :
@@ -8 +14 @@
 {
     private static $db_option = 'CategoryManager_options';
-    
+
     // handle the settings/options page
     public static function render_option_settings()
     {
-        $options = self::get_options();
+        $options = self::set_options();
 
         if( isset($_POST['submitted']))
@@ -49 +55 @@
 
     // Save/Update the options from the DB
-    public static function get_options()
+    public static function set_options()
     {
         $options = array
@@ -79 +85 @@
     }
 
+    // Retrieve the value of a specific option from the plugin's option set
     public static function get_option($optionName)
     {
-        $options = self::get_options();
+        $options = self::set_options();
 
         return $options[$optionName];
     }
-    
+
+    // removes any option entries associated with the plugin from the options table
+    public static function delete_options()
+    {
+        delete_option(self::$db_option);
+    }
 }
 endif;