Dropbox: improve back button title and behavior

AspenProject/VLCDropboxTableViewController.m

@@ -23,6 +23,7 @@
     UIBarButtonItem *_progressBarButtonItem;
     UIBarButtonItem *_downloadingBarLabel;
     UIProgressView *_progressView;
+    UIBarButtonItem *_backButton;
 
     UIActivityIndicatorView *_activityIndicator;
 }
@@ -52,8 +53,10 @@
     UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"BUTTON_DONE", @"") style:UIBarButtonItemStyleDone target:self action:@selector(dismiss:)];
     self.navigationItem.rightBarButtonItem = addButton;
 
-    UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@".." style:UIBarButtonItemStyleBordered target:self action:@selector(folderUp:)];
-    self.navigationItem.leftBarButtonItem = backButton;
+    _backButton = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStyleBordered target:self action:@selector(folderUp:)];
+    [_backButton setBackgroundImage:[UIImage imageNamed:@"button"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
+    [_backButton setBackgroundImage:[UIImage imageNamed:@"buttonHighlight"] forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
+    self.navigationItem.leftBarButtonItem = _backButton;
 
     self.navigationItem.titleView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"dropbox-white"]];
 
@@ -180,6 +183,14 @@
         _numberOfFilesBarButtonItem.title = [NSString stringWithFormat:NSLocalizedString(@"NUM_OF_FILES", @""), count];
     else
         _numberOfFilesBarButtonItem.title = NSLocalizedString(@"ONE_FILE", @"");
+
+    NSString *backButtonTitle = _currentPath.lastPathComponent;
+    if ([backButtonTitle isEqualToString:@"/"]) {
+        backButtonTitle = @"";
+        _backButton.enabled = NO;
+    } else
+        _backButton.enabled = YES;
+    _backButton.title = backButtonTitle;
 }
 
 - (void)operationWithProgressInformationStarted

Resources/VLCDropboxTableViewController.xib

@@ -2,7 +2,7 @@
 <archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
 	<data>
 		<int key="IBDocument.SystemTarget">1296</int>
-		<string key="IBDocument.SystemVersion">12E52</string>
+		<string key="IBDocument.SystemVersion">12E55</string>
 		<string key="IBDocument.InterfaceBuilderVersion">3084</string>
 		<string key="IBDocument.AppKitVersion">1187.39</string>
 		<string key="IBDocument.HIToolboxVersion">626.00</string>
@@ -38,7 +38,6 @@
 				<int key="NSvFlags">274</int>
 				<string key="NSFrame">{{0, 20}, {320, 504}}</string>
 				<reference key="NSSuperview"/>
-				<reference key="NSWindow"/>
 				<object class="NSColor" key="IBUIBackgroundColor" id="651013553">
 					<int key="NSColorSpace">3</int>
 					<bytes key="NSWhite">MAA</bytes>
@@ -87,7 +86,6 @@
 						<int key="NSvFlags">293</int>
 						<string key="NSFrame">{{71, 200}, {179, 60}}</string>
 						<reference key="NSSuperview" ref="338576143"/>
-						<reference key="NSWindow"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIUserInteractionEnabled">NO</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -101,7 +99,6 @@
 						<int key="NSvFlags">293</int>
 						<string key="NSFrame">{{128, 303}, {65, 44}}</string>
 						<reference key="NSSuperview" ref="338576143"/>
-						<reference key="NSWindow"/>
 						<string key="NSReuseIdentifierKey">_NS:9</string>
 						<bool key="IBUIOpaque">NO</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
@@ -134,7 +131,6 @@
 				</array>
 				<string key="NSFrameSize">{320, 568}</string>
 				<reference key="NSSuperview"/>
-				<reference key="NSWindow"/>
 				<reference key="NSNextKeyView" ref="320706770"/>
 				<string key="NSReuseIdentifierKey">_NS:9</string>
 				<reference key="IBUIBackgroundColor" ref="651013553"/>
@@ -256,43 +252,7 @@
 			<nil key="sourceID"/>
 			<int key="maxID">27</int>
 		</object>
-		<object class="IBClassDescriber" key="IBDocument.Classes">
-			<array class="NSMutableArray" key="referencedPartialClassDescriptions">
-				<object class="IBPartialClassDescription">
-					<string key="className">VLCDropboxTableViewController</string>
-					<string key="superclassName">UITableViewController</string>
-					<object class="NSMutableDictionary" key="actions">
-						<string key="NS.key.0">loginToDropboxAction:</string>
-						<string key="NS.object.0">id</string>
-					</object>
-					<object class="NSMutableDictionary" key="actionInfosByName">
-						<string key="NS.key.0">loginToDropboxAction:</string>
-						<object class="IBActionInfo" key="NS.object.0">
-							<string key="name">loginToDropboxAction:</string>
-							<string key="candidateClassName">id</string>
-						</object>
-					</object>
-					<dictionary class="NSMutableDictionary" key="outlets">
-						<string key="loginToDropboxButton">UIButton</string>
-						<string key="loginToDropboxView">UIView</string>
-					</dictionary>
-					<dictionary class="NSMutableDictionary" key="toOneOutletInfosByName">
-						<object class="IBToOneOutletInfo" key="loginToDropboxButton">
-							<string key="name">loginToDropboxButton</string>
-							<string key="candidateClassName">UIButton</string>
-						</object>
-						<object class="IBToOneOutletInfo" key="loginToDropboxView">
-							<string key="name">loginToDropboxView</string>
-							<string key="candidateClassName">UIView</string>
-						</object>
-					</dictionary>
-					<object class="IBClassDescriptionSource" key="sourceIdentifier">
-						<string key="majorKey">IBProjectSource</string>
-						<string key="minorKey">./Classes/VLCDropboxTableViewController.h</string>
-					</object>
-				</object>
-			</array>
-		</object>
+		<object class="IBClassDescriber" key="IBDocument.Classes"/>
 		<int key="IBDocument.localizationMode">0</int>
 		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
 		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencies">