Added delete warning sheet

Cocoa/Classes/ApplicationDelegate.m

@@ -56,6 +56,7 @@
 #pragma unused( application )
 	// bug: check if application was an external editor (e.g. Iconographer) and update existing open file instead
 	[[NSDocumentController sharedDocumentController] openDocumentWithContentsOfFile:file display:YES];
+	return YES;
 }
 
 - (BOOL)applicationShouldHandleReopen:(NSApplication *)sender hasVisibleWindows:(BOOL)flag

Cocoa/Classes/InfoWindowController.h

@@ -41,3 +41,12 @@ enum Attributes
 + (id)sharedInfoWindowController;
 
 @end
+
+@interface NSWindowController (InfoWindowAdditions)
+
+/*!	@function	resource
+	@discussion	Your plug-in should override this method to return the resource it's editing. Default implementation returns nil.
+*/
+- (Resource *)resource;
+
+@end

Cocoa/Classes/InfoWindowController.m

@@ -134,4 +134,13 @@
 	return sharedInfoWindowController;
 }
 
+@end
+
+@implementation NSWindowController (InfoWindowAdditions)
+
+- (Resource *)resource
+{
+	return nil;
+}
+
 @end

Cocoa/Classes/Resource.m

@@ -54,20 +54,6 @@
 	return [resource autorelease];
 }
 
-+ (NSArray *)getAllResourcesOfType:(NSString *)typeValue inDocument:(NSDocument *)document
-{
-	NSMutableArray *array = [NSMutableArray array];
-	NSDocument *doc;
-	NSEnumerator *enumerator = [[[NSDocumentController sharedDocumentController] documents] objectEnumerator];
-	while( doc = [enumerator nextObject] )
-	{
-		// parse document for resources
-		if( document == nil || document == doc )
-			[array addObjectsFromArray:[[(ResourceDocument *)doc dataSource] allResourcesOfType:typeValue]];
-	}
-	return [NSArray arrayWithArray:array];
-}
-
 + (Resource *)getResourceOfType:(NSString *)typeValue andID:(NSNumber *)resIDValue inDocument:(NSDocument *)document
 {
 	NSDocument *doc;
@@ -84,6 +70,22 @@
 	return nil;
 }
 
+/* ResKnifeResourceProtocol implementation */
+
++ (NSArray *)allResourcesOfType:(NSString *)typeValue inDocument:(NSDocument *)document
+{
+	NSMutableArray *array = [NSMutableArray array];
+	NSDocument *doc;
+	NSEnumerator *enumerator = [[[NSDocumentController sharedDocumentController] documents] objectEnumerator];
+	while( doc = [enumerator nextObject] )
+	{
+		// parse document for resources
+		if( document == nil || document == doc )
+			[array addObjectsFromArray:[[(ResourceDocument *)doc dataSource] allResourcesOfType:typeValue]];
+	}
+	return [NSArray arrayWithArray:array];
+}
+
 + (Resource *)resourceOfType:(NSString *)typeValue withName:(NSString *)nameValue inDocument:(NSDocument *)document
 {
 	NSDocument *doc;
@@ -100,6 +102,22 @@
 	return nil;
 }
 
++ (id)resourceOfType:(NSString *)typeValue andID:(NSNumber *)resIDValue inDocument:(NSDocument *)document
+{
+	NSDocument *doc;
+	NSEnumerator *enumerator = [[[NSDocumentController sharedDocumentController] documents] objectEnumerator];
+	while( doc = [enumerator nextObject] )
+	{
+		if( document == nil || document == doc )
+		{
+			// parse document for correct resource
+			Resource *resource = [[(ResourceDocument *)doc dataSource] resourceOfType:typeValue andID:resIDValue];
+			if( resource ) return resource;
+		}
+	}
+	return nil;
+}
+
 - (void)dealloc
 {
 	[name release];

Cocoa/Classes/ResourceDocument.h

@@ -30,6 +30,8 @@
 - (void)sound:(NSSound *)sound didFinishPlaying:(BOOL)finished;
 
 - (IBAction)clear:(id)sender;
+- (void)deleteResourcesSheetDidDismiss:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
+- (void)deleteSelectedResources;
 
 - (void)resourceNameWillChange:(NSNotification *)notification;
 - (void)resourceIDWillChange:(NSNotification *)notification;

Cocoa/Classes/ResourceDocument.m

@@ -2,6 +2,7 @@
 #import "ResourceDataSource.h"
 #import "ResourceNameCell.h"
 #import "Resource.h"
+#import "PrefsWindowController.h"
 #import "CreateResourceSheetController.h"
 #import "NSOutlineView-SelectedItems.h"
 
@@ -309,8 +310,8 @@ static NSString *RKShowInfoItemIdentifier	= @"com.nickshanks.resknife.toolbar.sh
 	if( tmpl && [[templateEditor principalClass] respondsToSelector:@selector(initWithResources:)] )
 	{
 		// bug: I alloc a plug instance here, but have no idea where I should dealloc it, perhaps the plug ought to call [self autorelease] when it's last window is closed?
-		id plug = [(id <ResKnifePluginProtocol>)[[templateEditor principalClass] alloc] initWithResources:resource, tmpl, nil];
-		if( plug ) return;
+		NSWindowController *plugController = [(id <ResKnifePluginProtocol>)[[templateEditor principalClass] alloc] initWithResources:resource, tmpl, nil];
+		if( plugController ) return;
 	}
 	
 	// if no template exists, or template editor is broken, open as hex
@@ -382,6 +383,22 @@ static NSString *RKShowInfoItemIdentifier	= @"com.nickshanks.resknife.toolbar.sh
 #pragma mark -
 
 - (IBAction)clear:(id)sender
+{
+	if( [prefs boolForKey:@"DeleteResourceWarning"] )
+	{
+		NSBeginCriticalAlertSheet( @"Delete Resource", @"Delete", @"Cancel", nil, [self mainWindow], self, nil, @selector(deleteResourcesSheetDidDismiss:returnCode:contextInfo:), nil, @"Please confirm you wish to delete the selected resources." );
+	}
+	else [self deleteSelectedResources];
+}
+
+- (void)deleteResourcesSheetDidDismiss:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo
+{
+#pragma unused( contextInfo )
+	if( returnCode == NSOKButton )
+		[self deleteSelectedResources];
+}
+
+- (void)deleteSelectedResources
 {
 	Resource *resource;
 	NSEnumerator *enumerator;