1 files changed, 321 insertions, 0 deletions
diff --git a/Liaison/Group.m b/Liaison/Group.m
new file mode 100644
index 0000000..f975f60
--- /dev/null
+++ b/Liaison/Group.m
@@ -0,0 +1,321 @@
+//
+//  Group.m
+//  Liaison
+//
+//  Created by Brian Cully on Tue Feb 04 2003.
+//  Copyright (c) 2003 Brian Cully. All rights reserved.
+//
+#import "Group.h"
+
+@implementation Group (Copying)
+- (id)copyWithZone: (NSZone *)aZone
+{
+    Group *tmpGroup;
+    
+    tmpGroup = [[Group alloc] initWithName: [self name] andType: [self type]];
+    [tmpGroup setIcon: [self icon]];
+    [tmpGroup setFileStore: [self fileStore]];
+    tmpGroup->parent = parent; // XXX
+    tmpGroup->children = children; // XXX
+    
+    return tmpGroup;
+}
+
+- (unsigned)hash
+{
+    unsigned nameHash, storeHash;
+    
+    storeHash = (unsigned)[[[self fileStore] storeID] performSelector: @selector(hash)];
+    nameHash = [[self name] hash];
+    return (storeHash ^ nameHash);
+}
+
+- (BOOL)isEqual: (id)anObject
+{
+    if ([anObject isKindOfClass: [self class]]) {
+        Group *otherGroup;
+        id myStoreID, otherStoreID;
+        
+        myStoreID = [[self fileStore] storeID];
+        otherGroup = anObject;
+        otherStoreID = [[otherGroup fileStore] storeID];
+        
+        if ([myStoreID performSelector: @selector(compare:) withObject: otherStoreID] &&
+            [[self name] isEqualToString: [otherGroup name]])
+            return YES;
+        else
+            return NO;
+    }
+    
+    return NO;
+}
+@end
+
+@implementation Group
++ (Group *)groupWithName: (NSString *)aName
+{
+    return [[[self alloc] initWithName: aName] autorelease];
+}
+
++ (Group *)groupWithName: (NSString *)aName andType: (GroupType)aType
+{
+    return [[[self alloc] initWithName: aName andType: aType] autorelease];
+}
+
+- (Group *)initWithName: (NSString *)aName
+{
+    return [self initWithName: aName andType: BRANCH];
+}
+
+- (Group *)initWithName: (NSString *)aName andType: (GroupType)aType;
+{
+    self = [super init];
+
+    [self setName: aName];
+    [self setType: aType];
+    icon = [[NSImage imageNamed: LiNormalGroupIcon] retain];
+    children = [[NSMutableArray alloc] init];
+
+    return self;
+}
+
+- (id)init
+{
+    NSException *myException;
+
+    [self autorelease];
+
+    myException = [NSException exceptionWithName: @"GroupInitFailure"
+                                          reason: @"[[Group alloc] init] isn't supported."
+                                        userInfo: nil];
+    [myException raise];
+    return nil;
+}
+
+- (void)dealloc
+{
+    [self setName: nil];
+    [icon release];
+    [children release];
+    [self setFileStore: nil];
+
+    [super dealloc];
+}
+
+- (id)initWithContentsOfFile: (NSString *)aFilename
+{
+    NSArray *groupArray;
+    NSDictionary *groupDict;
+    NSString *groupname;
+
+    groupDict = [NSDictionary dictionaryWithContentsOfFile: aFilename];
+    self = [self initWithName: [groupDict objectForKey: @"name"]];
+
+    groupArray = [groupDict objectForKey: @"children"];
+    for (groupname in groupArray) {
+        Group *newGroup;
+
+        // XXX - should encode type
+        newGroup = [[[Group alloc] initWithName: groupname
+                                        andType: LEAF] autorelease];
+        [newGroup setIcon: [NSImage imageNamed: LiNormalGroupIcon]];
+        [self addChild: newGroup];
+    }
+    return self;
+}
+
+- (BOOL)writeToFile: (NSString *)aFilename
+{
+    Group *group;
+    NSMutableArray *groupArray;
+    NSMutableDictionary *groupDict;
+
+    groupDict = [NSMutableDictionary dictionary];
+
+    groupArray = [NSMutableArray array];
+    for (group in children) {
+        [groupArray addObject: [group name]];
+    }
+
+    [groupDict setObject: name forKey: @"name"];
+    [groupDict setObject: groupArray forKey: @"children"];
+
+    return [groupDict writeToFile: aFilename atomically: NO];
+}
+
+- (LiFileStore *)fileStore
+{
+    return theFileStore;
+}
+
+- (void)setFileStore: (LiFileStore *)aFileStore
+{
+    [aFileStore retain];
+    [theFileStore release];
+    theFileStore = aFileStore;
+}
+
+- (id)initWithCoder: (NSCoder *)coder
+{
+    NSString *typeString;
+    
+    self = [super init];
+
+    if ([coder allowsKeyedCoding]) {
+        [self setName: [coder decodeObjectForKey: @"name"]];
+        typeString = [coder decodeObjectForKey: @"type"];
+        children = [[coder decodeObjectForKey: @"children"] retain];
+    } else {
+        [self setName: [coder decodeObject]];
+        typeString = [coder decodeObject];
+        children = [[coder decodeObject] retain];
+    }
+
+    if ([typeString isEqualToString: @"LEAF"])
+        [self setType: LEAF];
+    else
+        [self setType: BRANCH];
+
+    icon = [[NSImage imageNamed: LiNormalGroupIcon] retain];
+
+    return self;
+}
+
+- (void)encodeWithCoder: (NSCoder *)coder
+{
+    NSString *typeString;
+
+    if ([self type] == LEAF)
+        typeString = @"LEAF";
+    else
+        typeString = @"BRANCH";
+
+    if ([coder allowsKeyedCoding]) {
+        [coder encodeObject: [self name] forKey: @"name"];
+        [coder encodeObject: typeString forKey: @"type"];
+        [coder encodeObject: children forKey: @"children"];
+    } else {
+        [coder encodeObject: [self name]];
+        [coder encodeObject: typeString];
+        [coder encodeObject: children];
+    }
+}
+
+- (NSString *)name
+{
+    return name;
+}
+
+- (GroupType)type
+{
+    return type;
+}
+
+- (void)setName: (NSString *)aName
+{
+    [aName retain];
+    [name release];
+    name = aName;
+}
+
+- (void)setType: (GroupType)aType
+{
+    type = aType;
+}
+
+- (NSImage *)icon
+{
+    return icon;
+}
+
+- (void)setIcon: (NSImage *)anIcon
+{
+    [anIcon retain];
+    [icon release];
+    icon = anIcon;
+}
+
+- (Group *)parent
+{
+    return parent;
+}
+
+- (void)setParent: (Group *)aParent
+{
+    [aParent retain];
+    [parent release];
+    parent = aParent;
+}
+
+- (int)numberOfChildren
+{
+    return [children count];
+}
+
+- (BOOL)hasChild: (id)aChild
+{
+    return [children containsObject: aChild];
+}
+
+- (NSEnumerator *)childEnumerator
+{
+    return [children objectEnumerator];
+}
+
+- (void)addChild: (id)aChild
+{
+    [children addObject: aChild];
+    [aChild setParent: self];
+}
+
+- (void)removeChild: (id)aChild
+{
+    [aChild setParent: nil];
+    [children removeObject: aChild];
+}
+
+- (Group *)childNamed: (NSString *)aName
+{
+    Group *child;
+    int i, numberOfChildren;
+
+    child = nil;
+    numberOfChildren = [children count];
+    for (i = 0; i < numberOfChildren; i++) {
+        child = [children objectAtIndex: i];
+        if ([[child name] isEqualToString: aName])
+            break;
+    }
+    if (i < numberOfChildren)
+        return child;
+    return nil;
+}
+
+- (void)removeChildNamed: (NSString *)aName
+{
+    int i, numberOfChildren;
+
+    numberOfChildren = [children count];
+    for (i = 0; i < numberOfChildren; i++) {
+        Group *child;
+
+        child = [children objectAtIndex: i];
+        if ([[child name] isEqualToString: aName])
+            break;
+    }
+    if (i < numberOfChildren)
+        [children removeObjectAtIndex: i];
+}
+
+- (id)childAtIndex: (int)index
+{
+    return [children objectAtIndex: index];
+}
+
+- (void)removeChildAtIndex: (int)index
+{
+    [children removeObjectAtIndex: index];
+}
+@synthesize children;
+@synthesize theFileStore;
+@end