Started rework of inspector layout using separate view controllers for attribute editiors

MacPass/MPEntryAttributeViewController.m

@@ -0,0 +1,151 @@
+//
+//  MPEntryAttributeViewController.m
+//  MacPass
+//
+//  Created by Michael Starke on 14.10.21.
+//  Copyright © 2021 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "MPEntryAttributeViewController.h"
+#import <HNHUi/HNHUi.h>
+#import <KeePassKit/KeePassKit.h>
+#import "MPPasteBoardController.h"
+
+@interface MPEntryAttributeViewController () {
+  BOOL _isDefaultAttribute;
+}
+@property (strong) IBOutlet NSTextField *keyTextField;
+@property (strong) IBOutlet HNHUITextField *valueTextField;
+@property (readonly, nullable, strong) KPKAttribute *representedAttribute;
+
+@end
+
+@implementation MPEntryAttributeViewController
+
+@synthesize isEditor = _isEditor;
+
+- (instancetype)initWithNibName:(NSNibName)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+  if(self) {
+    _isEditor = NO;
+    _isDefaultAttribute = NO;
+  }
+  return self;
+}
+
+- (instancetype)initWithCoder:(NSCoder *)coder {
+  self = [super initWithCoder:coder];
+  // set editor to false?
+  return self;
+}
+
+- (void)viewDidLoad {
+  NSString *placeHolder = NSLocalizedString(@"NONE", "Placeholder text for input fields if no entry or group is selected");
+  self.keyTextField.placeholderString = placeHolder;
+  self.valueTextField.placeholderString = placeHolder;
+  
+  [super viewDidLoad];
+  [self _updateValues];
+  [self _updateEditing];
+  
+  __weak MPEntryAttributeViewController *welf = self;
+  self.valueTextField.copyActionBlock =  ^void(NSTextField *tf) {
+    NSText *text = [welf.view.window fieldEditor:NO forObject:welf.valueTextField];
+    if([text isKindOfClass:NSTextView.class]) {
+      [welf textField:welf.valueTextField textView:(NSTextView *)text performAction:@selector(copy:)];
+    }
+  };
+}
+
+- (KPKAttribute *)representedAttribute {
+  if([self.representedObject isKindOfClass:KPKAttribute.class]) {
+    return (KPKAttribute *)self.representedObject;
+  }
+  return nil;
+}
+
+- (void)setIsEditor:(BOOL)isEditor {
+  _isEditor = isEditor;
+  [self _updateEditing];
+}
+
+- (void)setRepresentedObject:(id)representedObject {
+  if(self.representedAttribute) {
+    [NSNotificationCenter.defaultCenter removeObserver:self name:KPKWillChangeAttributeNotification object:self.representedObject];
+    [NSNotificationCenter.defaultCenter removeObserver:self name:KPKDidChangeAttributeNotification object:self.representedObject];
+  }
+  super.representedObject = representedObject;
+  if(self.representedAttribute) {
+    [NSNotificationCenter.defaultCenter addObserver:self
+                                           selector:(@selector(_willChangeAttribute:))
+                                               name:KPKWillChangeAttributeNotification
+                                             object:self.representedAttribute];
+    [NSNotificationCenter.defaultCenter addObserver:self
+                                           selector:(@selector(_didChangeAttribute:))
+                                               name:KPKDidChangeAttributeNotification
+                                             object:self.representedAttribute];
+
+  }
+  _isDefaultAttribute = self.representedAttribute.isDefault;
+  [self _updateValues];
+}
+
+- (BOOL)textField:(NSTextField *)textField textView:(NSTextView *)textView performAction:(SEL)action {
+  if(action != @selector(copy:)) {
+    return YES;
+  }
+  
+  
+  // Only copy action
+  MPPasteboardOverlayInfoType info = MPPasteboardOverlayInfoCustom;
+  NSMutableString *selectedValue = [[NSMutableString alloc] init];
+  for(NSValue *rangeValue in textView.selectedRanges) {
+    [selectedValue appendString:[textView.string substringWithRange:rangeValue.rangeValue]];
+  }
+  if(selectedValue.length == 0) {
+    [selectedValue setString:textView.string];
+  }
+  NSString *name = @"";
+  if([self.representedAttribute.key isEqual:kKPKUsernameKey]) {
+    info = MPPasteboardOverlayInfoUsername;
+  }
+  else if([self.representedAttribute.key isEqual:kKPKPasswordKey]) {
+    info = MPPasteboardOverlayInfoPassword;
+  }
+  else if([self.representedAttribute.key isEqual:kKPKURLKey]) {
+    info = MPPasteboardOverlayInfoURL;
+  }
+  else if([self.representedAttribute.key isEqual:kKPKTitleKey]) {
+    name = NSLocalizedString(@"TITLE", "Displayed name when title field was copied");
+  }
+  else {
+    name = self.representedAttribute.key;
+  }
+  [MPPasteBoardController.defaultController copyObject:selectedValue overlayInfo:info name:name atView:self.view];
+  return NO;
+}
+
+
+- (void)_willChangeAttribute:(NSNotification *)notification {
+  // nothing to d
+}
+
+- (void)_didChangeAttribute:(NSNotification *)notification {
+  [self _updateValues];
+}
+
+- (void)_updateValues {
+  self.view.hidden = (!self.isEditor && self.representedAttribute.value.length == 0);
+  self.keyTextField.stringValue = self.representedAttribute.key ? self.representedAttribute.key : @"";
+  self.valueTextField.stringValue = self.representedAttribute.value ? self.representedAttribute.value : @"";
+}
+
+- (void)_updateEditing {
+  self.keyTextField.editable = !_isDefaultAttribute && self.isEditor;
+  self.valueTextField.editable = self.isEditor;
+  self.keyTextField.selectable = YES;
+  self.valueTextField.selectable = YES;
+}
+
+@end
+