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Document-base app fixes

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@14904 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Adam Fedor 2002-11-01 22:42:52 +00:00
parent 356e452793
commit 00f196e1c0
5 changed files with 90 additions and 27 deletions
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56
Source/NSDocumentController.m
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@ -70,11 +70,16 @@ static NSDictionary *TypeInfoForName (NSArray *types, NSString *typeName)
/** <p>
NSDocumentController is a class that controls a set of NSDocuments
for an application. As the application delegate, it responds to
the typical File Menu commands for opening and creating new
documents, and making sure all documents have been saved when an
application quits. It also registers itself for the
NSWorkspaceWillPowerOffNotification.
for an application. As an application delegate, it responds to the
typical File Menu commands for opening and creating new documents,
and making sure all documents have been saved when an application
quits. It also registers itself for the
NSWorkspaceWillPowerOffNotification. Note that
NSDocumentController isn't truly the application delegate, but it
works in a similar way. You can still have your own application
delegate - but beware, if it responds to the same methods as
NSDocumentController, your delegate methods will get called, not
the NSDocumentController's.
</p>
<p>
NSDocumentController also manages document types and the related
@ -91,14 +96,14 @@ static NSDictionary *TypeInfoForName (NSArray *types, NSString *typeName)
<item>NSUnixExtensions - Array of strings</item>
<item>NSDOSExtensions - Array of strings</item>
<item>NSIcon - Icon name for these documents</item>
<item>NSRole - Class is a Viewer or Editor</item>
<item>NSRole - Viewer or Editor</item>
</list>
<p>
You can also use NSDocumentController to get a list of all open
You can use NSDocumentController to get a list of all open
documents, the current document (The one whose window is Key) and
other information about these documents. It also remebers the most
recently opened documents (through the user default key
_GSRecentDocuments). .
NSRecentDocuments). .
</p>
<p>
You can subclass NSDocumentController to customize the behavior of
@ -115,15 +120,20 @@ static NSDictionary *TypeInfoForName (NSArray *types, NSString *typeName)
if (sharedController == nil)
{
sharedController = [[self alloc] init];
/* Need to verify this is the correct behavior. Set ourselves as
the app delegate if there isn't one already */
if ([NSApp delegate] == nil)
[NSApp setDelegate: self];
}
return sharedController;
}
/* Private method for use by NSApplication to determine if it should
instantiate an NSDocumentController.
*/
+ (BOOL) isDocumentBasedApplication
{
return ([[[NSBundle mainBundle] infoDictionary] objectForKey: NSTypesKey])
? YES : NO;
}
/** </init>Initializes the document controller class. The first
instance of a document controller class that gets initialized
becomes the shared instance.
@ -422,19 +432,23 @@ static NSDictionary *TypeInfoForName (NSArray *types, NSString *typeName)
*/
- (BOOL) closeAllDocuments
{
NSDocument *document;
NSEnumerator *docEnum = [_documents objectEnumerator];
while ((document = [docEnum nextObject]))
int count;
count = [_documents count];
if (count > 0)
{
if (![document canCloseDocument])
NSDocument *array[count];
[_documents getObjects: array];
while (count-- > 0)
{
return NO;
NSDocument *document = array[count];
if (![document canCloseDocument])
{
return NO;
}
[document close];
}
[document close];
[self removeDocument: document];
}
return YES;
}