From 152b981e2411516e98254b5399ff31ba9332eb1b Mon Sep 17 00:00:00 2001
From: Kim Wittenburg <Kim@Kims-MacBook-Pro.local>
Date: Wed, 17 Dec 2014 22:06:16 +0100
Subject: [PATCH] Added MPExpressionView Delegate Prototype (not in use yet)

---
 MathKit/MPExpressionView.h | 41 +++++++++++++++++++++++++++++++++++---
 1 file changed, 38 insertions(+), 3 deletions(-)

diff --git a/MathKit/MPExpressionView.h b/MathKit/MPExpressionView.h
index c7b7ab4..d978e60 100644
--- a/MathKit/MPExpressionView.h
+++ b/MathKit/MPExpressionView.h
@@ -10,10 +10,11 @@
 
 
 
-@class MPExpressionView, MPExpressionStorage, MPRangePath;
+@class MPExpressionView, MPExpressionStorage, MPFunction, MPRangePath;
+//@protocol MPExpressionViewDelegate;
 
 
-@interface MPExpressionView : NSView
+@interface MPExpressionView : NSView <NSUserInterfaceValidations>
 
 #pragma mark Creation Methods
 
@@ -23,6 +24,8 @@
 
 @property (readonly, nonatomic, strong) MPExpressionStorage *expressionStorage;
 
+//@property (nonatomic, weak) id<MPExpressionViewDelegate> delegate;
+
 @property (nonatomic, strong) MPRangePath *selection;
 
 @property (nonatomic, strong) NSError *mathError;
@@ -31,8 +34,40 @@
 @property (nonatomic, weak) id target;
 @property (nonatomic) SEL action;
 
+//@property (nonatomic) BOOL editable;
+//@property (nonatomic) BOOL selectable;
+
 #pragma mark Actions
+// Radians - Degrees
+- (IBAction)switchToRadians:(id)sender;
+- (IBAction)switchToDegrees:(id)sender;
 - (IBAction)switchRadiansDegrees:(id)sender;
-- (IBAction)showFunctions:(id)sender;
+// Functions
+- (IBAction)toggleFunctionsPopover:(id)sender;
 
 @end
+
+
+//@protocol MPExpressionViewDelegate <NSObject>
+//@optional
+//
+//#pragma mark Editing
+//- (MPRangePath *)expressionView:(MPExpressionView *)expressionView willChangeSelectionFromRangePath:(MPRangePath *)oldSelection toRangePath:(MPRangePath *)newSelection;
+//- (void)expressionView:(MPExpressionView *)expressionView didChangeSelectionFromRangePath:(MPRangePath *)oldSelection toRangePath:(MPRangePath *)newSelection;
+//
+//- (BOOL)expressionView:(MPExpressionView *)expressionView shouldChangeSymbolsInRangePath:(MPRangePath *)rangePath replacementElements:(NSArray *)replacement;
+//- (BOOL)expressionView:(MPExpressionView *)expressionView shouldInsertFunction:(MPFunction *)function replacingRangePath:(MPRangePath *)currentSelection;
+//- (void)expressionViewDidChange:(MPExpressionView *)expressionView;
+//
+//- (BOOL)expressionViewShouldBeginEditing:(MPExpressionView *)expressionView;
+//- (BOOL)expressionViewShouldEndEditing:(MPExpressionView *)expressionView;
+//- (void)expressionViewDidBeginEditing:(MPExpressionView *)expressionView;
+//- (void)expressionDidEndEditing:(MPExpressionView *)expressionView;
+//
+//// TODO: Errors...
+//#pragma mark Evaluation
+//
+//- (BOOL)expressionViewShouldEvaluate:(MPExpressionView *)expressionView;
+//- (void)expressionViewDidEvaluate:(MPExpressionView *)expressionView;
+//
+//@end
\ No newline at end of file