Display a generic description text if the appropriate key is present in the InfoDictionary of the plugin bundle

MacPass/MPPlugin.h

@@ -30,6 +30,7 @@ NS_ASSUME_NONNULL_BEGIN
 @class KPKTree;
 
 FOUNDATION_EXPORT NSString *const MPPluginUnkownVersion;
+FOUNDATION_EXPORT NSString *const MPPluginDescriptionInfoDictionaryKey;
 
 @interface MPPlugin : NSObject
 
@@ -37,8 +38,10 @@ FOUNDATION_EXPORT NSString *const MPPluginUnkownVersion;
 @property (copy, readonly) NSString *name;
 @property (nonatomic, copy, readonly, nullable) NSString *shortVersionString;
 @property (nonatomic, copy, readonly) NSString *versionString;
+@property (nonatomic, copy, readonly) NSString *localizedDescription;
 @property (nonatomic, strong, readonly) NSBundle *bundle;
 
+
 /**
  If your plugin needs initalization override this method but you have to call [super initWithPluginHost:]
  Otherwise your plugin might not get registered correctly

MacPass/MPPlugin.m

@@ -28,6 +28,7 @@
 #import "MPPluginVersionComparator.h"
 
 NSString *const MPPluginUnkownVersion = @"unkown.plugin.version";
+NSString *const MPPluginDescriptionInfoDictionaryKey = @"MPPluginDescription";
 
 @implementation MPPlugin
 
@@ -90,6 +91,16 @@ NSString *const MPPluginUnkownVersion = @"unkown.plugin.version";
   return MPPluginUnkownVersion;
 }
 
+- (NSString *)localizedDescription {
+  if([self.bundle.localizedInfoDictionary objectForKey:MPPluginDescriptionInfoDictionaryKey]) {
+    return self.bundle.localizedInfoDictionary[MPPluginDescriptionInfoDictionaryKey];
+  }
+  if([self.bundle.infoDictionary objectForKey:MPPluginDescriptionInfoDictionaryKey]) {
+    return self.bundle.infoDictionary[MPPluginDescriptionInfoDictionaryKey];
+  }
+  return @"";
+}
+
 
 - (void)didLoadPlugin {
 

MacPass/MPPluginPreferencesController.m

@@ -124,22 +124,29 @@ typedef NS_ENUM(NSUInteger, MPPluginSegmentType) {
       [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[view]|" options:0 metrics:nil views:dict]];
       [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[view]|" options:0 metrics:nil views:dict]];
     }
+    else {
+      [self _showInfoMessageForPlugin:plugin.localizedDescription];
+    }
   }
   else if(nil != plugin) {
-    [self.settingsView addSubview:self.fallbackSettingsView];
-    NSDictionary *dict = @{ @"view" : self.fallbackSettingsView,
-                            @"table" : self.pluginTableView.enclosingScrollView };
-    [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[view]|" options:0 metrics:nil views:dict]];
-    [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[view]|" options:0 metrics:nil views:dict]];
     if(plugin.errorMessage.length > 0) {
-      self.fallbackDescriptionTextField.stringValue = plugin.errorMessage;
+      [self _showInfoMessageForPlugin:plugin.errorMessage];
     }
     else {
-      self.fallbackDescriptionTextField.stringValue = NSLocalizedString(@"PLUGIN_SETTINGS_GENERIC_ERROR_MESSAGE", "Generic message displayed if no details are know why a plugin was not loaded.");
+      [self _showInfoMessageForPlugin:NSLocalizedString(@"PLUGIN_SETTINGS_GENERIC_ERROR_MESSAGE", "Generic message displayed if no details are know why a plugin was not loaded.")];
     }
   }
 }
 
+- (void)_showInfoMessageForPlugin:(NSString *)message {
+  [self.settingsView addSubview:self.fallbackSettingsView];
+  NSDictionary *dict = @{ @"view" : self.fallbackSettingsView,
+                          @"table" : self.pluginTableView.enclosingScrollView };
+  [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"H:|[view]|" options:0 metrics:nil views:dict]];
+  [self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[view]|" options:0 metrics:nil views:dict]];
+  self.fallbackDescriptionTextField.stringValue = message.length > 0 ? message : @"";
+}
+
 - (MPPlugin *)pluginForRow:(NSInteger)row {
   NSArray<MPPlugin __kindof *> *plugins = [MPPluginHost sharedHost].plugins;
   if(0 > row || row >= plugins.count) {