Disable Commit button when there are no staged files.

Author: brotherbard

PBGitCommitController.h

@@ -19,6 +19,7 @@
 	IBOutlet NSTextView *commitMessageView;
 	IBOutlet NSArrayController *unstagedFilesController;
 	IBOutlet NSArrayController *cachedFilesController;
+	IBOutlet NSButton *commitButton;
 
 	IBOutlet PBGitIndexController *indexController;
 	IBOutlet PBWebChangesController *webController;

PBGitCommitController.m

@@ -177,6 +177,12 @@ - (void)indexChanged:(NSNotification *)notification
 {
 	[cachedFilesController rearrangeObjects];
 	[unstagedFilesController rearrangeObjects];
+    if ([[cachedFilesController arrangedObjects] count]) {
+        [commitButton setEnabled:YES];
+    } else {
+        [commitButton setEnabled:NO];
+    }
+
 }
 
 - (void)indexOperationFailed:(NSNotification *)notification

PBGitCommitView.xib

@@ -1202,6 +1202,14 @@
 					</object>
 					<int key="connectionID">283</int>
 				</object>
+				<object class="IBConnectionRecord">
+					<object class="IBOutletConnection" key="connection">
+						<string key="label">commitButton</string>
+						<reference key="source" ref="1001"/>
+						<reference key="destination" ref="792511503"/>
+					</object>
+					<int key="connectionID">307</int>
+				</object>
 			</object>
 			<object class="IBMutableOrderedSet" key="objectRecords">
 				<object class="NSArray" key="orderedObjects">
@@ -1663,7 +1671,7 @@
 				</object>
 			</object>
 			<nil key="sourceID"/>
-			<int key="maxID">283</int>
+			<int key="maxID">307</int>
 		</object>
 		<object class="IBClassDescriber" key="IBDocument.Classes">
 			<object class="NSMutableArray" key="referencedPartialClassDescriptions">
@@ -1707,6 +1715,7 @@
 						<object class="NSMutableArray" key="dict.sortedKeys">
 							<bool key="EncodedWithXMLCoder">YES</bool>
 							<string>cachedFilesController</string>
+							<string>commitButton</string>
 							<string>commitMessageView</string>
 							<string>indexController</string>
 							<string>unstagedFilesController</string>
@@ -1715,6 +1724,7 @@
 						<object class="NSMutableArray" key="dict.values">
 							<bool key="EncodedWithXMLCoder">YES</bool>
 							<string>NSArrayController</string>
+							<string>NSButton</string>
 							<string>NSTextView</string>
 							<string>PBGitIndexController</string>
 							<string>NSArrayController</string>