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MasterPassword/platform-darwin/Source/Mac/MPPasswordWindowController.m

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/**
* Copyright Maarten Billemont (http://www.lhunath.com, lhunath@lyndir.com)
*
* See the enclosed file LICENSE for license information (LGPLv3). If you did
* not receive this file, see http://www.gnu.org/licenses/lgpl-3.0.txt
*
* @author Maarten Billemont <lhunath@lyndir.com>
* @license http://www.gnu.org/licenses/lgpl-3.0.txt
*/
//
// MPPasswordWindowController.h
// MPPasswordWindowController
//
// Created by lhunath on 2014-06-18.
// Copyright, lhunath (Maarten Billemont) 2014. All rights reserved.
//
#import <QuartzCore/QuartzCore.h>
#import "MPPasswordWindowController.h"
#import "MPMacAppDelegate.h"
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#import "MPAppDelegate_Store.h"
#import "MPAppDelegate_Key.h"
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@interface MPPasswordWindowController()
@property(nonatomic, strong) CAGradientLayer *siteGradient;
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@end
@implementation MPPasswordWindowController
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#pragma mark - Life
- (void)windowDidLoad {
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prof_new( @"windowDidLoad" );
[super windowDidLoad];
prof_rewind( @"super" );
[self replaceFonts:self.window.contentView];
prof_rewind( @"replaceFonts" );
[[NSNotificationCenter defaultCenter] addObserverForName:NSWindowDidBecomeKeyNotification object:self.window
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
prof_new( @"didBecomeKey" );
[self.window makeKeyAndOrderFront:nil];
prof_rewind( @"fadeIn" );
[self updateUser];
prof_finish( @"updateUser" );
}];
[[NSNotificationCenter defaultCenter] addObserverForName:NSWindowWillCloseNotification object:self.window
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
NSWindow *sheet = [self.window attachedSheet];
if (sheet)
[self.window endSheet:sheet];
}];
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[[NSNotificationCenter defaultCenter] addObserverForName:NSApplicationWillResignActiveNotification object:nil
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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[self.window close];
}];
[[NSNotificationCenter defaultCenter] addObserverForName:MPSignedInNotification object:nil
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
[self updateUser];
}];
[[NSNotificationCenter defaultCenter] addObserverForName:MPSignedOutNotification object:nil
queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
[self updateUser];
}];
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[self observeKeyPath:@"sitesController.selection"
withBlock:^(id from, id to, NSKeyValueChange cause, id _self) {
prof_new( @"sitesController.selection" );
[_self updateSelection];
prof_finish( @"updateSelection" );
}];
prof_rewind( @"observers" );
NSSearchFieldCell *siteFieldCell = (NSSearchFieldCell *)self.siteField.cell;
siteFieldCell.searchButtonCell = nil;
siteFieldCell.cancelButtonCell = nil;
self.siteGradient = [CAGradientLayer layer];
self.siteGradient.colors = @[ (__bridge id)[NSColor whiteColor].CGColor, (__bridge id)[NSColor clearColor].CGColor ];
self.siteGradient.autoresizingMask = kCALayerWidthSizable | kCALayerHeightSizable;
self.siteGradient.frame = self.siteTable.bounds;
self.siteTable.superview.superview.layer.mask = self.siteGradient;
self.siteTable.controller = self;
prof_finish( @"ui" );
}
- (void)replaceFonts:(NSView *)view {
if (view.window.backingScaleFactor == 1)
[view enumerateViews:^(NSView *subview, BOOL *stop, BOOL *recurse) {
if ([subview respondsToSelector:@selector( setFont: )]) {
NSFont *font = [(id)subview font];
if ([font.fontName isEqualToString:@"HelveticaNeue-Thin"])
[(id)subview setFont:[NSFont fontWithName:@"HelveticaNeue" matrix:font.matrix]];
if ([font.fontName isEqualToString:@"HelveticaNeue-Light"])
[(id)subview setFont:[NSFont fontWithName:@"HelveticaNeue" matrix:font.matrix]];
}
} recurse:YES];
}
- (void)flagsChanged:(NSEvent *)theEvent {
BOOL shiftPressed = (theEvent.modifierFlags & NSShiftKeyMask) != 0;
if (shiftPressed != self.shiftPressed)
self.shiftPressed = shiftPressed;
BOOL alternatePressed = (theEvent.modifierFlags & NSAlternateKeyMask) != 0;
if (alternatePressed != self.alternatePressed) {
self.alternatePressed = alternatePressed;
self.showVersionContainer = self.alternatePressed || self.selectedSite.outdated;
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[self.selectedSite updateContent];
if (self.locked) {
NSTextField *passwordField = self.securePasswordField;
if (self.securePasswordField.isHidden)
passwordField = self.revealPasswordField;
[passwordField becomeFirstResponder];
[[passwordField currentEditor] moveToEndOfLine:nil];
}
}
[super flagsChanged:theEvent];
}
#pragma mark - NSResponder
// Handle any unhandled editor command.
- (void)doCommandBySelector:(SEL)commandSelector {
[self handleCommand:commandSelector];
}
#pragma mark - NSTextFieldDelegate
// Editor command in a text field.
- (BOOL)control:(NSControl *)control textView:(NSTextView *)fieldEditor doCommandBySelector:(SEL)commandSelector {
if (control == self.siteField) {
if ([NSStringFromSelector( commandSelector ) rangeOfString:@"delete"].location == 0)
return NO;
}
if (control == self.securePasswordField || control == self.revealPasswordField) {
if (commandSelector == @selector( insertNewline: ))
return NO;
}
return [self handleCommand:commandSelector];
}
- (BOOL)control:(NSControl *)control textShouldEndEditing:(NSText *)fieldEditor {
if (control == self.siteField)
[fieldEditor replaceCharactersInRange:fieldEditor.selectedRange withString:@""];
return YES;
}
- (IBAction)doUnlockUser:(id)sender {
[self.progressView startAnimation:self];
[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *moc) {
MPUserEntity *activeUser = [[MPMacAppDelegate get] activeUserInContext:moc];
NSString *userName = activeUser.name;
BOOL success = [[MPMacAppDelegate get] signInAsUser:activeUser saveInContext:moc usingMasterPassword:self.masterPassword];
PearlMainQueue( ^{
self.masterPassword = nil;
[self.progressView stopAnimation:self];
if (!success)
[[NSAlert alertWithError:[NSError errorWithDomain:MPErrorDomain code:0 userInfo:@{
NSLocalizedDescriptionKey : strf( @"Incorrect master password for user %@", userName )
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}]] beginSheetModalForWindow:self.window completionHandler:nil];
} );
}];
}
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- (IBAction)doSearchSites:(id)sender {
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[self updateSites];
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}
#pragma mark - NSTextViewDelegate
- (BOOL)textView:(NSTextView *)textView doCommandBySelector:(SEL)commandSelector {
return [self handleCommand:commandSelector];
}
#pragma mark - NSTableViewDataSource
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
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return (NSInteger)[self.sites count];
}
#pragma mark - NSTableViewDelegate
- (void)tableView:(NSTableView *)tableView didAddRowView:(NSTableRowView *)rowView forRow:(NSInteger)row {
[self replaceFonts:rowView];
}
#pragma mark - State
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- (void)insertObject:(MPSiteModel *)model inSitesAtIndex:(NSUInteger)index {
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[self.sites insertObject:model atIndex:index];
}
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- (void)removeObjectFromSitesAtIndex:(NSUInteger)index {
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[self.sites removeObjectAtIndex:index];
}
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- (MPSiteModel *)selectedSite {
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return [self.sitesController.selectedObjects firstObject];
}
#pragma mark - Actions
- (IBAction)settings:(id)sender {
[self.window close];
[[MPMacAppDelegate get] showPopup:sender];
}
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- (IBAction)deleteSite:(id)sender {
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Delete"];
[alert addButtonWithTitle:@"Cancel"];
[alert setMessageText:@"Delete Site?"];
[alert setInformativeText:strf( @"Do you want to delete the site named:\n\n%@", self.selectedSite.name )];
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[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Delete" button.
[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
[context deleteObject:[self.selectedSite entityInContext:context]];
[context saveToStore];
}];
break;
}
default:
break;
}
}];
}
- (IBAction)changeLogin:(id)sender {
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Save"];
[alert addButtonWithTitle:@"Cancel"];
[alert setMessageText:@"Change Login Name"];
[alert setInformativeText:strf( @"Your login name for: %@", self.selectedSite.name )];
NSTextField *loginField = [NSTextField new];
[loginField bind:@"value" toObject:self.selectedSite withKeyPath:@"loginName" options:nil];
NSButton *generatedField = [NSButton new];
[generatedField setButtonType:NSSwitchButton];
[generatedField bind:@"value" toObject:self.selectedSite withKeyPath:@"loginGenerated" options:nil];
generatedField.title = @"Generated";
NSStackView *stackView = [NSStackView stackViewWithViews:@[ loginField, generatedField ]];
stackView.orientation = NSUserInterfaceLayoutOrientationVertical;
stackView.frame = NSMakeRect( 0, 0, 200, 44 );
[stackView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"[loginField(200)]"
options:0 metrics:nil
views:NSDictionaryOfVariableBindings( loginField, stackView )]];
[stackView addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"[generatedField(200)]"
options:0 metrics:nil
views:NSDictionaryOfVariableBindings( generatedField, stackView )]];
[alert setAccessoryView:stackView];
[alert layout];
[loginField selectText:self];
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[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Save" button.
NSString *loginName = [loginField stringValue];
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[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPSiteEntity *entity = [self.selectedSite entityInContext:context];
entity.loginName = !self.selectedSite.loginGenerated && [loginName length]? loginName: nil;
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[context saveToStore];
[self.selectedSite updateContent];
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}];
break;
}
default:
break;
}
}];
}
- (IBAction)resetMasterPassword:(id)sender {
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Reset"];
[alert addButtonWithTitle:@"Cancel"];
[alert setMessageText:@"Reset My Master Password"];
[alert setInformativeText:strf( @"This will allow you to change %@'s master password.\n\n"
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@"WARNING: All your site passwords will change. Do this only if you've forgotten your "
@"master password and are fully prepared to change all your sites' passwords to the new ones.",
[MPMacAppDelegate get].activeUserForMainThread.name )];
[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Reset" button.
[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPUserEntity *activeUser = [[MPMacAppDelegate get] activeUserInContext:context];
NSString *activeUserName = activeUser.name;
activeUser.keyID = nil;
[[MPMacAppDelegate get] forgetSavedKeyFor:activeUser];
[context saveToStore];
PearlMainQueue( ^{
NSAlert *alert_ = [NSAlert new];
alert_.messageText = @"Master Password Reset";
alert_.informativeText = strf( @"%@'s master password has been reset.\n\nYou can now set a new one by logging in.",
activeUserName );
[alert_ beginSheetModalForWindow:self.window completionHandler:nil];
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if ([MPMacAppDelegate get].key)
[[MPMacAppDelegate get] signOutAnimated:YES];
} );
}];
}
default:
break;
}
}];
}
- (IBAction)changePassword:(id)sender {
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if (!self.selectedSite.stored)
return;
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Save"];
[alert addButtonWithTitle:@"Cancel"];
[alert setMessageText:@"Change Password"];
[alert setInformativeText:strf( @"Enter the new password for: %@", self.selectedSite.name )];
NSSecureTextField *passwordField = [[NSSecureTextField alloc] initWithFrame:NSMakeRect( 0, 0, 200, 22 )];
[alert setAccessoryView:passwordField];
[alert layout];
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[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Save" button.
NSString *password = [passwordField stringValue];
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[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPSiteEntity *entity = [self.selectedSite entityInContext:context];
[entity.algorithm savePassword:password toSite:entity usingKey:[MPMacAppDelegate get].key];
[context saveToStore];
[self.selectedSite updateContent];
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}];
break;
}
default:
break;
}
}];
}
- (IBAction)changeType:(id)sender {
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MPSiteModel *site = self.selectedSite;
NSArray *types = [site.algorithm allTypes];
[self.passwordTypesMatrix renewRows:(NSInteger)[types count] columns:1];
for (NSUInteger t = 0; t < [types count]; ++t) {
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MPSiteType type = (MPSiteType)[types[t] unsignedIntegerValue];
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NSString *title = [site.algorithm nameOfType:type];
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if (type & MPSiteTypeClassGenerated)
title = strf( @"%@ %@", [site.algorithm generatePasswordForSiteNamed:site.name ofType:type withCounter:site.counter
usingKey:[MPMacAppDelegate get].key], title );
NSButtonCell *cell = [self.passwordTypesMatrix cellAtRow:(NSInteger)t column:0];
cell.tag = type;
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cell.state = type == site.type? NSOnState: NSOffState;
cell.title = title;
}
self.passwordTypesBox.title = strf( @"Choose a password type for %@:", site.name );
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Save"];
[alert addButtonWithTitle:@"Cancel"];
[alert setMessageText:@"Change Password Type"];
[alert setAccessoryView:self.passwordTypesBox];
[alert layout];
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[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Save" button.
MPSiteType type = (MPSiteType)[self.passwordTypesMatrix.selectedCell tag];
[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPSiteEntity *entity = [[MPMacAppDelegate get] changeSite:[self.selectedSite entityInContext:context]
saveInContext:context toType:type];
if ([entity isKindOfClass:[MPStoredSiteEntity class]] && ![(MPStoredSiteEntity *)entity contentObject].length)
PearlMainQueue( ^{
[self changePassword:nil];
} );
}];
break;
}
default:
break;
}
}];
}
- (IBAction)securityQuestions:(id)sender {
MPSiteModel *site = self.selectedSite;
self.securityQuestionsBox.title = strf( @"Answer to security questions for %@:", site.name );
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Copy Answer"];
[alert addButtonWithTitle:@"Close"];
[alert setMessageText:@"Security Questions"];
[alert setAccessoryView:self.securityQuestionsBox];
[alert layout];
[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Copy Answer" button.
[self copyContent:self.securityAnswerField.stringValue];
[self.window close];
break;
}
default:
break;
}
}];
}
#pragma mark - Private
- (BOOL)handleCommand:(SEL)commandSelector {
if (commandSelector == @selector( moveUp: )) {
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[self.sitesController selectPrevious:self];
return YES;
}
if (commandSelector == @selector( moveDown: )) {
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[self.sitesController selectNext:self];
return YES;
}
if (commandSelector == @selector( insertNewline: )) {
[self useSite];
return YES;
}
if (commandSelector == @selector( cancel: ) || commandSelector == @selector( cancelOperation: )) {
[self.window close];
return YES;
}
return NO;
}
- (void)useSite {
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MPSiteModel *selectedSite = [self selectedSite];
if (!selectedSite)
return;
if (selectedSite.transient) {
[self createNewSite:selectedSite.name];
return;
}
// Performing action while content is available. Copy it.
[self copyContent:self.shiftPressed? selectedSite.answer: selectedSite.content];
[self.window close];
NSUserNotification *notification = [NSUserNotification new];
notification.title = @"Password Copied";
if (selectedSite.loginName.length)
notification.subtitle = strf( @"%@ at %@", selectedSite.loginName, selectedSite.name );
else
notification.subtitle = selectedSite.name;
[[NSUserNotificationCenter defaultUserNotificationCenter] deliverNotification:notification];
}
- (void)updateUser {
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[MPMacAppDelegate managedObjectContextForMainThreadPerformBlock:^(NSManagedObjectContext *mainContext) {
self.locked = YES;
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self.newUser = YES;
self.inputLabel.stringValue = @"";
self.siteField.stringValue = @"";
MPUserEntity *mainActiveUser = [[MPMacAppDelegate get] activeUserInContext:mainContext];
if (mainActiveUser) {
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self.newUser = mainActiveUser.keyID == nil;
if ([MPMacAppDelegate get].key) {
self.inputLabel.stringValue = strf( @"%@'s password for:", mainActiveUser.name );
self.locked = NO;
[self.siteField becomeFirstResponder];
}
else {
self.inputLabel.stringValue = strf( @"Enter %@'s master password:", mainActiveUser.name );
NSTextField *passwordField = self.securePasswordField;
if (self.securePasswordField.isHidden)
passwordField = self.revealPasswordField;
[passwordField becomeFirstResponder];
}
}
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[self updateSites];
}];
}
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- (void)updateSites {
NSAssert( [NSOperationQueue currentQueue] == [NSOperationQueue mainQueue], @"updateSites should be called on the main queue." );
if (![MPMacAppDelegate get].key) {
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self.sites = nil;
return;
}
static NSRegularExpression *fuzzyRE;
static dispatch_once_t once = 0;
dispatch_once( &once, ^{
fuzzyRE = [NSRegularExpression regularExpressionWithPattern:@"(.)" options:0 error:nil];
} );
NSString *queryString = self.siteField.stringValue;
NSString *queryPattern;
if ([queryString length] < 13)
queryPattern = [queryString stringByReplacingMatchesOfExpression:fuzzyRE withTemplate:@"*$1*"];
else
// If query is too long, a wildcard per character makes the CoreData fetch take excessively long.
queryPattern = strf( @"*%@*", queryString );
NSMutableArray *fuzzyGroups = [NSMutableArray new];
[fuzzyRE enumerateMatchesInString:queryString options:0 range:NSMakeRange( 0, queryString.length )
usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) {
[fuzzyGroups addObject:[queryString substringWithRange:result.range]];
}];
[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
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NSFetchRequest *fetchRequest = [NSFetchRequest fetchRequestWithEntityName:NSStringFromClass( [MPSiteEntity class] )];
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fetchRequest.sortDescriptors = @[ [[NSSortDescriptor alloc] initWithKey:@"lastUsed" ascending:NO] ];
fetchRequest.predicate = [NSPredicate predicateWithFormat:@"(%@ == '' OR name LIKE[cd] %@) AND user == %@",
queryPattern, queryPattern, [MPMacAppDelegate get].activeUserOID];
NSError *error = nil;
NSArray *siteResults = [context executeFetchRequest:fetchRequest error:&error];
if (!siteResults) {
err( @"While fetching sites for completion: %@", [error fullDescription] );
return;
}
BOOL exact = NO;
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NSMutableArray *newSites = [NSMutableArray arrayWithCapacity:[siteResults count]];
for (MPSiteEntity *site in siteResults) {
[newSites addObject:[[MPSiteModel alloc] initWithEntity:site fuzzyGroups:fuzzyGroups]];
exact |= [site.name isEqualToString:queryString];
}
if (!exact && [queryString length]) {
MPUserEntity *activeUser = [[MPAppDelegate_Shared get] activeUserInContext:context];
[newSites addObject:[[MPSiteModel alloc] initWithName:queryString forUser:activeUser]];
}
dbg( @"newSites: %@", newSites );
if (![newSites isEqualToArray:self.sites])
PearlMainQueue( ^{
self.sites = newSites;
} );
}];
}
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- (void)updateSelection {
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[self.siteTable scrollRowToVisible:(NSInteger)self.sitesController.selectionIndex];
NSView *siteScrollView = self.siteTable.superview.superview;
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NSRect selectedCellFrame = [self.siteTable frameOfCellAtColumn:0 row:((NSInteger)self.sitesController.selectionIndex)];
CGFloat selectedOffset = [siteScrollView convertPoint:selectedCellFrame.origin fromView:self.siteTable].y;
CGFloat gradientOpacity = selectedOffset / siteScrollView.bounds.size.height;
self.siteGradient.colors = @[
(__bridge id)[NSColor whiteColor].CGColor,
(__bridge id)[NSColor colorWithDeviceWhite:1 alpha:1 - (1 - gradientOpacity) * 4 / 5].CGColor,
(__bridge id)[NSColor colorWithDeviceWhite:1 alpha:gradientOpacity].CGColor
];
self.showVersionContainer = self.alternatePressed || self.selectedSite.outdated;
[self.sitePasswordTipField setAttributedStringValue:straf( @"Your password for %@:", self.selectedSite.displayedName )];
}
- (void)createNewSite:(NSString *)siteName {
PearlMainQueue( ^{
NSAlert *alert = [NSAlert new];
[alert addButtonWithTitle:@"Create"];
[alert addButtonWithTitle:@"Cancel"];
[alert setMessageText:@"Create site?"];
[alert setInformativeText:strf( @"Do you want to create a new site named:\n\n%@", siteName )];
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[alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
switch (returnCode) {
case NSAlertFirstButtonReturn: {
// "Create" button.
[[MPMacAppDelegate get] addSiteNamed:[self.siteField stringValue] completion:
^(MPSiteEntity *site, NSManagedObjectContext *context) {
if (site)
PearlMainQueue( ^{ [self updateSites]; } );
}];
break;
}
default:
break;
}
}];
} );
}
- (void)copyContent:(NSString *)content {
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[[NSPasteboard generalPasteboard] declareTypes:@[ NSStringPboardType ] owner:nil];
if (![[NSPasteboard generalPasteboard] setString:content forType:NSPasteboardTypeString]) {
wrn( @"Couldn't copy password to pasteboard." );
return;
}
[MPMacAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *moc) {
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[[self.selectedSite entityInContext:moc] use];
[moc saveToStore];
}];
}
@end