Fixed CPDocumentController missing method currentDocument

AppKit/CPDocument.j

@@ -261,38 +261,29 @@ var CPDocumentUntitledCount = 0;
 - (void)makeViewAndWindowControllers
 {
     var viewCibName = [self viewCibName],
+        windowCibName = [self windowCibName],
         viewController = nil,
         windowController = nil;
 
     // Create our view controller if we have a cib for it.
     if ([viewCibName length])
         viewController = [[CPViewController alloc] initWithCibName:viewCibName bundle:nil owner:self];
 
-    // If we have a view controller, check if we have a free window for it.
-    if (viewController)
-        windowController = [self firstEligibleExistingWindowController];
+    // From a cib if we have one.
+    if ([windowCibName length])
+        windowController = [[CPWindowController alloc] initWithWindowCibName:windowCibName owner:self];
 
-    // If not, create one.
-    if (!windowController)
+    // If not you get a standard window capable of displaying multiple documents and view
+    else if (viewController)
     {
-        var windowCibName = [self windowCibName];
-
-        // From a cib if we have one.
-        if ([windowCibName length])
-            windowController = [[CPWindowController alloc] initWithWindowCibName:windowCibName owner:self];
+        var view = [viewController view],
+            viewFrame = [view frame];
 
-        // If not you get a standard window capable of displaying multiple documents and view
-        else if (viewController)
-        {
-            var view = [viewController view],
-                viewFrame = [view frame];
+        viewFrame.origin = CGPointMake(50, 50);
 
-            viewFrame.origin = CGPointMake(50, 50);
+        var theWindow = [[CPWindow alloc] initWithContentRect:viewFrame styleMask:CPTitledWindowMask | CPClosableWindowMask | CPMiniaturizableWindowMask | CPResizableWindowMask];
 
-            var theWindow = [[CPWindow alloc] initWithContentRect:viewFrame styleMask:CPTitledWindowMask | CPClosableWindowMask | CPMiniaturizableWindowMask | CPResizableWindowMask];
-
-            windowController = [[CPWindowController alloc] initWithWindow:theWindow];
-        }
+        windowController = [[CPWindowController alloc] initWithWindow:theWindow];
     }
 
     if (windowController && viewController)

AppKit/CPDocumentController.j

@@ -253,6 +253,14 @@ var CPSharedDocumentController = nil;
     return _documents;
 }
 
+/*!
+    Returns the CPDocument object associated with the main window.
+*/
+- (CPDocument)currentDocument
+{
+    return [[[CPApp mainWindow] windowController] document];
+}
+
 /*!
     Adds \c aDocument under the control of the receiver.
     @param aDocument the document to add
@@ -271,6 +279,33 @@ var CPSharedDocumentController = nil;
     [_documents removeObjectIdenticalTo:aDocument];
 }
 
+/*!
+    Returns the document object whose window controller
+    owns a specified window.
+*/
+- (CPDocument)documentForWindow:(CPWindow)aWindow
+{
+   return [[aWindow windowController] document];
+}
+
+/*!
+    Returns a Boolean value that indicates whether the receiver
+    has any documents with unsaved changes.
+*/
+- (BOOL)hasEditedDocuments
+{
+    var iter =  [_documents objectEnumerator],
+        obj;
+
+    while ((obj = [iter nextObject]) !== nil)
+    {
+        if ([obj isDocumentEdited])
+            return YES;
+    }
+
+    return NO;
+}
+
 - (CPString)defaultType
 {
     return [_documentTypes[0] objectForKey:@"CPBundleTypeName"];