Prepare for merging into main ZeroTier repo

macui/ZeroTier One/JoinNetworkViewController.m

@@ -0,0 +1,184 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2016  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#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