add UI for user rule

Author: clowwindy

ShadowWeb/zh-Hans.lproj/Localizable.strings

@@ -53,6 +53,7 @@
 "Please fill in the blanks." = "请填写以下内容。";
 "Show Logs..." = "显示日志...";
 "Edit PAC for Auto Proxy Mode..." = "编辑自动模式的 PAC...";
+"Edit User Rule for GFWList..." = "编辑 GFWList 的用户规则...";
 "Quit" = "退出";
 "https://github.com/shadowsocks/shadowsocks-iOS/wiki/Shadowsocks-for-OSX-Help" = "https://github.com/shadowsocks/shadowsocks-iOS/wiki/Shadowsocks-for-OSX-%E5%B8%AE%E5%8A%A9";
 "Show QR Code..." = "显示二维码...";

ShadowsocksX/SWBAppDelegate.m

@@ -97,8 +97,12 @@ - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
     [menu addItem:[NSMenuItem separatorItem]];
     [menu addItemWithTitle:_L(Edit PAC for Auto Proxy Mode...) action:@selector(editPAC) keyEquivalent:@""];
     [menu addItemWithTitle:_L(Update PAC from GFWList) action:@selector(updatePACFromGFWList) keyEquivalent:@""];
-    qrCodeMenuItem = [[NSMenuItem alloc] initWithTitle:_L(Show QR Code...) action:@selector(showQRCode) keyEquivalent:@""];
+    [menu addItemWithTitle:_L(Edit User Rule for GFWList...) action:@selector(editUserRule) keyEquivalent:@""];
+    [menu addItem:[NSMenuItem separatorItem]];
+    qrCodeMenuItem = [[NSMenuItem alloc] initWithTitle:_L(Generate QR Code...) action:@selector(showQRCode) keyEquivalent:@""];
     [menu addItem:qrCodeMenuItem];
+    [menu addItem:[[NSMenuItem alloc] initWithTitle:_L(Scan QR Code from Screen...) action:@selector(scanQRCode) keyEquivalent:@""]];
+    [menu addItem:[NSMenuItem separatorItem]];
     [menu addItemWithTitle:_L(Show Logs...) action:@selector(showLogs) keyEquivalent:@""];
     [menu addItemWithTitle:_L(Help) action:@selector(showHelp) keyEquivalent:@""];
     [menu addItem:[NSMenuItem separatorItem]];
@@ -264,6 +268,20 @@ - (void)editPAC {
     [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:fileURLs];
 }
 
+
+- (void)editUserRule {
+  
+  if (![[NSFileManager defaultManager] fileExistsAtPath:userRulePath]) {
+    NSError *error = nil;
+    [[NSFileManager defaultManager] createDirectoryAtPath:configPath withIntermediateDirectories:NO attributes:nil error:&error];
+    // TODO check error
+    [@"! Put user rules line by line in this file.\n! See https://adblockplus.org/en/filter-cheatsheet\n" writeToFile:userRulePath atomically:YES encoding:NSUTF8StringEncoding error:&error];
+  }
+  
+  NSArray *fileURLs = @[[NSURL fileURLWithPath:userRulePath]];
+  [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:fileURLs];
+}
+
 - (void)showQRCode {
     NSURL *qrCodeURL = [ShadowsocksRunner generateSSURL];
     if (qrCodeURL) {