Merge pull request #112 from andrewschleifer/validation

Centralise the Validation

MacPass/MPActionHelper.h

@@ -20,6 +20,7 @@ typedef NS_ENUM(NSUInteger, MPActionType) {
   MPActionToggleInspector,
   MPActionLock, // show the lock screen
   MPActionEmptyTrash, // empties the trashcan, if there is one
+  MPActionEditPassword, // change the database password
   MPActionDatabaseSettings, // Show the settings for the database
   MPActionEditTemplateGroup
 };

MacPass/MPActionHelper.m

@@ -21,6 +21,7 @@
                    @(MPActionCopyURL) : @"copyURL:",
                    @(MPActionCopyUsername) : @"copyUsername:",
                    @(MPActionDelete) : @"deleteNode:",
+                   @(MPActionEditPassword) : @"editPassword:",
                    @(MPActionOpenURL) : @"openURL:",
                    @(MPActionToggleInspector) : @"toggleInspector:",
                    @(MPActionLock) : @"lock:",

MacPass/MPDocument.m

@@ -509,14 +509,46 @@ typedef NS_ENUM(NSUInteger, MPAlertType) {
   return;
 }
 
-- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)anItem {
-  if([anItem action] == [MPActionHelper actionOfType:MPActionEmptyTrash]) {
-    BOOL hasGroups = [self.trash.groups count] > 0;
-    BOOL hasEntries = [self.trash.entries count] > 0;
-    return (hasEntries || hasGroups);
-  }
+- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
+  return [self validateUserInterfaceItem:menuItem];
+}
 
-  return [super validateUserInterfaceItem:anItem];
+- (BOOL)validateToolbarItem:(NSToolbarItem *)theItem {
+  return [self validateUserInterfaceItem:theItem];
+}
+
+- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)anItem {
+  if(self.encrypted || self.isReadOnly) { return NO; }
+
+  BOOL valid = YES;
+  switch([MPActionHelper typeForAction:[anItem action]]) {
+    case MPActionAddGroup:
+      valid &= (nil != self.selectedGroup);
+      // fall-through
+    case MPActionAddEntry:
+      // fall-through
+    case MPActionDelete: {
+      valid &= (nil != self.selectedItem);
+      valid &= (self.trash != self.selectedItem);
+      valid &= ![self isItemTrashed:self.selectedItem];
+      break;
+    }
+    case MPActionEmptyTrash: {
+      valid &= [self.trash.groups count] > 0;
+      valid &= [self.trash.entries count] > 0;
+      break;
+    }
+    case MPActionDatabaseSettings:
+    case MPActionEditPassword:
+      valid &= !self.encrypted;
+      break;
+    case MPActionLock:
+      valid &= self.compositeKey.hasPasswordOrKeyFile;
+      break;
+    default:
+      valid = YES;
+  }
+  return valid;
 }
 
 - (void)_storeKeyURL:(NSURL *)keyURL {

MacPass/MPDocumentWindowController.h

@@ -22,13 +22,6 @@
 @property (readonly, strong) MPOutlineViewController *outlineViewController;
 @property (readonly, strong) MPInspectorViewController *inspectorViewController;
 
-/**
- @param action The action that should be validatet
- @param item The item that the action affects. Pass nil to fall back for default item
- @returns YES if the action is valid, NO otherwise
- */
-- (BOOL)validateAction:(SEL)action forItem:(id)item;
-
 - (void)showEntries;
 - (void)showPasswordInput;
 - (void)performFindPanelAction:(id)sender;

MacPass/MPDocumentWindowController.m

@@ -206,80 +206,6 @@ typedef NS_ENUM(NSUInteger, MPAlertContext) {
   [self.entryViewController showFilter:sender];
 }
 
-- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
-  MPDocument *document = [self document];
-  SEL itemAction = [menuItem action];
-  if(itemAction == @selector(showDatabaseSettings:)
-     || itemAction == @selector(editPassword:)) {
-    return !document.encrypted;
-  }
-  
-  BOOL enabled = YES;
-  if(itemAction == [MPActionHelper actionOfType:MPActionDelete]) {
-    enabled &= (nil != document.selectedItem) && (document.selectedItem != document.trash);
-  }
-  
-  enabled &= !( document.encrypted || document.isReadOnly );
-  return enabled;
-}
-
-- (BOOL)validateToolbarItem:(NSToolbarItem *)theItem {
-  MPDocument *document = [self document];
-  if(document.encrypted || document.isReadOnly) {
-    return NO;
-  }
-  MPActionType actionType = [MPActionHelper typeForAction:[theItem action]];
-  switch (actionType) {
-    case MPActionAddGroup:
-    case MPActionAddEntry:
-      return (nil != document.selectedGroup);
-    case MPActionDelete: {
-      BOOL valid = (nil != document.selectedItem);
-      valid &= (document.selectedItem != document.trash);
-      valid &= ![document isItemTrashed:document.selectedItem];
-      return valid;
-    }
-    case MPActionLock:
-      return document.compositeKey.hasPasswordOrKeyFile;
-      
-    case MPActionToggleInspector:
-      return (nil != [_splitView superview]);
-      
-    default:
-      return YES;
-  }
-  return YES;
-}
-
-- (BOOL)validateAction:(SEL)action forItem:(id)item {
-  MPDocument *document = [self document];
-  if(document.encrypted || document.isReadOnly) {
-    return NO;
-  }
-  MPActionType actionType = [MPActionHelper typeForAction:action];
-  switch (actionType) {
-    case MPActionAddGroup:
-    case MPActionAddEntry:
-      // test if Group is in trash
-      return (nil != document.selectedGroup);
-    case MPActionDelete: {
-      BOOL valid = (nil != document.selectedItem);
-      valid &= (document.selectedItem != document.trash);
-      valid &= ![document isItemTrashed:document.selectedItem];
-      return valid;
-    }
-    case MPActionLock:
-      return document.compositeKey.hasPasswordOrKeyFile;
-      
-    case MPActionToggleInspector:
-      return (nil != [_splitView superview]);
-      
-    default:
-      return YES;
-  }
-  return YES;
-}
-
 - (void)showPasswordInput {
   if(!self.passwordInputController) {
     self.passwordInputController = [[MPPasswordInputController alloc] init];

MacPass/MPEntryViewController.m

@@ -676,11 +676,6 @@ NSString *const _MPTAbleSecurCellView = @"PasswordCell";
 //  //
 //}
 
-#pragma mark Validation
-- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
-  return YES;
-}
-
 - (IBAction)_toggleFilterSpace:(id)sender {
   if(![sender isKindOfClass:[NSButton class]]) {
     return; // Wrong sender

MacPass/MPOutlineViewController.m

@@ -158,29 +158,6 @@ NSString *const _MPOutlinveViewHeaderViewIdentifier = @"HeaderCell";
   return [[self.outlineView itemAtRow:row] representedObject];
 }
 
-#pragma mark Validation
-
-- (BOOL)validateMenuItem:(NSMenuItem *)menuItem {
-  MPActionType actionType = [MPActionHelper typeForAction:[menuItem action]];
-  switch(actionType) {
-    case MPActionAddEntry:
-    case MPActionAddGroup:
-    case MPActionDelete: {
-      MPDocument *document = [[self windowController] document];
-      id selected = [self _clickedOrSelectedGroup];
-      if(!selected) {
-        return NO;
-      }
-      if(selected == document.trash) {
-        return NO;
-      }
-      return ![document isItemTrashed:selected];
-    }
-    default:
-      return YES; // We are only validated for three targets
-  }
-}
-
 #pragma mark -
 #pragma mark Actions