Add a recent menu.

Ignoring Xcode 4 generated files.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@81905 e17a0e51-4ae3-4d35-97c3-1a29b211df97

1 files changed, 103 insertions, 0 deletions

diff --git a/macosx/RecentItemsMenu.m b/macosx/RecentItemsMenu.m
new file mode 100644
index 00000000..aaf3f01b
--- /dev/null
+++ b/macosx/RecentItemsMenu.m
@@ -0,0 +1,103 @@
+//
+//  RecentItemsMenu.m
+//  Pcsxr
+//
+//  Created by Nicolas Pepin-Perreault on 12-12-16.
+//
+//
+
+#import "RecentItemsMenu.h"
+
+@implementation RecentItemsMenu
+
+// Initialization
+- (void)awakeFromNib
+{
+    [self setAutoenablesItems:YES];
+    
+    // Populate the menu
+    NSArray* recentDocuments = [[NSDocumentController sharedDocumentController] recentDocumentURLs];
+    NSInteger index = 0;
+    for(NSURL* url in recentDocuments) {
+        [self addMenuItem:[self createMenuItem:url] atIndex:index];
+        index++;
+    }
+}
+
+- (void)addRecentItem:(NSURL*)documentURL
+{
+    [[NSDocumentController sharedDocumentController] noteNewRecentDocumentURL:documentURL];
+    
+    NSMenuItem* item = [self findMenuItemByURL:documentURL];
+    if(item != nil) {
+        [self removeItem:item];
+        [self insertItem:item atIndex:0];
+    }
+    else {
+        [self addMenuItem:[self createMenuItem:documentURL]];
+    }
+}
+
+- (void)addMenuItem:(NSMenuItem*)item
+{
+    [self addMenuItem:item atIndex:0];
+    
+    // Prevent menu from overflowing; the -2 accounts for the "Clear..." and the separator items
+    NSInteger maxNumItems = [[NSDocumentController sharedDocumentController] maximumRecentDocumentCount];
+    if(([self numberOfItems]-2) > maxNumItems) {
+        [self removeItemAtIndex:maxNumItems];
+    }
+}
+
+- (NSMenuItem*)findMenuItemByURL:(NSURL*)url
+{
+    for(NSMenuItem* item in [self itemArray]) {
+        if([[item representedObject] isEqual:url]) {
+            return item;
+        }
+    }
+    
+    return nil;
+}
+
+- (void)addMenuItem:(NSMenuItem*)item atIndex:(NSInteger)index
+{
+    [self insertItem:item atIndex:index]; // insert at the top
+    [item release];
+}
+
+- (NSMenuItem*)createMenuItem:(NSURL*)documentURL
+{
+    NSMenuItem *newItem = [[NSMenuItem alloc] initWithTitle:[documentURL relativePath] action:@selector(openRecentItem:) keyEquivalent:@""];
+    [newItem setRepresentedObject:documentURL];
+    [newItem setEnabled:YES];
+    [newItem setTarget:self];
+    [newItem setTag:0];
+    
+    return newItem;
+}
+
+- (void)openRecentItem:(NSMenuItem*)sender
+{
+    NSURL* url = [sender representedObject];
+    [self addRecentItem:url];
+    [pcsxr runURL:url];
+}
+
+- (IBAction)clearRecentDocuments:(id)sender
+{
+    [self removeDocumentItems];
+    [[NSDocumentController sharedDocumentController] clearRecentDocuments:sender];
+}
+
+// Document items are menu items with tag 0
+- (void)removeDocumentItems
+{
+    for(NSMenuItem* item in [self itemArray]) {
+        if([item tag] == 0) {
+            [self removeItem:item];
+        }
+    }
+}
+
+@end