Make common code KVC compliant, and implement NSCopying where relevant

git-svn-id: https://tikzit.svn.sourceforge.net/svnroot/tikzit/trunk@420 7c02a99a-9b00-45e3-bf44-6f3dd7fddb64

1 files changed, 20 insertions, 13 deletions

diff --git a/tikzit/src/common/EdgeStyle.m b/tikzit/src/common/EdgeStyle.m
index 5314433..a9dbc9f 100644
--- a/tikzit/src/common/EdgeStyle.m
+++ b/tikzit/src/common/EdgeStyle.m
@@ -25,14 +25,14 @@
 
 @implementation EdgeStyle
 
-- (id)init {
+- (id)initWithName:(NSString*)nm {
     self = [super initWithNotificationName:@"EdgeStylePropertyChanged"];
 
 	if (self != nil) {
 		headStyle = AH_None;
 		tailStyle = AH_None;
 		decorationStyle = ED_None;
-		name = @"new";
+		name = nm;
 		category = nil;
 		thickness = 1.0f;
 	}
@@ -40,14 +40,26 @@
     return self;
 }
 
-- (id)initWithName:(NSString*)nm {
-	self = [self init];
+- (id)init {
+	self = [self initWithName:@"new"];
+	return self;
+}
 
-	if (self != nil) {
-		[self setName:nm];
-	}
+- (id)copyWithZone:(NSZone*)zone {
+	EdgeStyle *style = [[EdgeStyle allocWithZone:zone] init];
+	[style setName:[self name]];
+	[style setCategory:[self category]];
+	[style setHeadStyle:[self headStyle]];
+	[style setTailStyle:[self tailStyle]];
+	[style setDecorationStyle:[self decorationStyle]];
+	[style setThickness:[self thickness]];
+	return style;
+}
 
-	return self;
+- (void)dealloc {
+    [name release];
+    [category release];
+    [super dealloc];
 }
 
 + (EdgeStyle*)defaultEdgeStyleWithName:(NSString*)nm {
@@ -136,11 +148,6 @@
 	return buf;
 }
 
-- (void)dealloc {
-    [name release];
-    [super dealloc];
-}
-
 @end
 
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