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//
// JoinNetworkViewController.m
// ZeroTier One
//
// Created by Grant Limberg on 8/7/16.
// Copyright © 2016 ZeroTier, Inc. All rights reserved.
//
#import "JoinNetworkViewController.h"
#import "ServiceCom.h"
#import "AppDelegate.h"
NSString * const JoinedNetworksKey = @"com.zerotier.one.joined-networks";
@interface NSString (extra)
- (BOOL)contains:(NSString*)find;
@end
@implementation NSString (extra)
- (BOOL)contains:(NSString*)find {
NSRange range = [self rangeOfString:find];
return range.location != NSNotFound;
}
@end
@implementation JoinNetworkViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do view setup here.
[self.network setDelegate:self];
[self.network setDataSource:self];
}
- (void)viewWillAppear {
[super viewWillAppear];
self.allowManagedCheckBox.state = NSOnState;
self.allowGlobalCheckBox.state = NSOffState;
self.allowDefaultCheckBox.state = NSOffState;
self.network.stringValue = @"";
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSMutableArray<NSString*> *vals = [[defaults stringArrayForKey:JoinedNetworksKey] mutableCopy];
if(vals) {
self.values = vals;
}
}
- (void)viewWillDisappear {
[super viewWillDisappear];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:self.values forKey:JoinedNetworksKey];
}
- (IBAction)onJoinClicked:(id)sender {
NSString *networkId = self.network.stringValue;
NSError *error = nil;
[[ServiceCom sharedInstance] joinNetwork:networkId
allowManaged:(self.allowManagedCheckBox.state == NSOnState)
allowGlobal:(self.allowGlobalCheckBox.state == NSOnState)
allowDefault:(self.allowDefaultCheckBox.state == NSOnState)
error:&error];
if(error) {
NSAlert *alert = [NSAlert alertWithError:error];
alert.alertStyle = NSCriticalAlertStyle;
[alert addButtonWithTitle:@"Ok"];
[alert runModal];
return;
}
self.network.stringValue = @"";
if(![self.values containsObject:networkId]) {
[self.values insertObject:networkId atIndex:0];
while([self.values count] > 20) {
[self.values removeLastObject];
}
}
[self.appDelegate closeJoinNetworkPopover];
}
// NSComboBoxDelegate methods
- (void)controlTextDidChange:(NSNotification *)obj {
NSComboBox *cb = (NSComboBox*)obj.object;
NSString *value = cb.stringValue;
NSString *allowedCharacters = @"abcdefABCDEF0123456789";
NSString *outValue = @"";
for(int i = 0; i < [value length]; ++i) {
if(![allowedCharacters contains:[NSString stringWithFormat:@"%C", [value characterAtIndex:i]]]) {
NSBeep();
}
else {
outValue = [outValue stringByAppendingString:[NSString stringWithFormat:@"%C", [value characterAtIndex:i]]];
}
}
if([outValue lengthOfBytesUsingEncoding:NSUTF8StringEncoding] == 16) {
self.joinButton.enabled = YES;
}
else {
if([outValue lengthOfBytesUsingEncoding:NSUTF8StringEncoding] > 16) {
NSRange range = {0, 16};
range = [outValue rangeOfComposedCharacterSequencesForRange:range];
outValue = [outValue substringWithRange:range];
NSBeep();
self.joinButton.enabled = YES;
}
else {
self.joinButton.enabled = NO;
}
}
cb.stringValue = outValue;
}
// end NSComboBoxDelegate methods
// NSComboBoxDataSource methods
- (NSInteger)numberOfItemsInComboBox:(NSComboBox *)aComboBox {
return [self.values count];
}
- (id)comboBox:(NSComboBox *)aComboBox objectValueForItemAtIndex:(NSInteger)index {
return [self.values objectAtIndex:index];
}
- (NSUInteger)comboBox:(NSComboBox *)aComboBox indexOfItemWithStringValue:(NSString *)string {
NSUInteger counter = 0;
for(NSString *val in self.values) {
if([val isEqualToString:string]) {
return counter;
}
counter += 1;
}
return NSNotFound;
}
- (NSString*)comboBox:(NSComboBox *)aComboBox completedString:(NSString *)string {
for(NSString *val in self.values) {
if([val hasPrefix:string]) {
return val;
}
}
return nil;
}
// end NSComboBoxDataSource methods
@end
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