60760b8b3d
- Combined MPExpression and MPMutableExpression - Abstracted children of MPExpression into MPExpressionElement protocol - Abstracted most of MPExpressionLayout and MPFunctionLayout into common superclass MPLayout
83 lines
1.7 KiB
Objective-C
83 lines
1.7 KiB
Objective-C
//
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// MPExpressionView.m
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// MathPad
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//
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// Created by Kim Wittenburg on 17.04.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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#import "MPExpressionView.h"
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#import "MPExpressionStorage.h"
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#import "MPExpressionLayout.h"
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#import "MPSumFunction.h"
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@interface MPExpressionView (MPCursor)
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@property (nonatomic, strong) NSTimer *cursorTimer;
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@end
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@implementation MPExpressionView
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#pragma mark Creation Methods
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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[self initializeObjects];
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}
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return self;
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}
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- (id)initWithFrame:(NSRect)frame
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{
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self = [super initWithFrame:frame];
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if (self) {
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[self initializeObjects];
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}
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return self;
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}
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- (id)initWithCoder:(NSCoder *)aDecoder
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{
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self = [super initWithCoder:aDecoder];
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if (self) {
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[self initializeObjects];
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}
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return self;
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}
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- (void)initializeObjects
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{
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MPExpressionStorage *expressionStorage = [[MPExpressionStorage alloc] initWithElements:@[@"12345", [[MPSumFunction alloc] init], [[MPSumFunction alloc] init]]];
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_expressionStorage = expressionStorage;
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}
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#pragma mark Properties
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- (BOOL)isFlipped
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{
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return NO;
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}
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- (void)setExpressionStorage:(MPExpressionStorage *)expressionStorage
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{
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_expressionStorage = expressionStorage;
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}
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#pragma mark Drawing Methods
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- (void)drawRect:(NSRect)dirtyRect
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{
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[super drawRect:dirtyRect];
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[[NSColor whiteColor] set];
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NSRectFill(self.bounds);
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[[NSColor blackColor] set];
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NSSize expressionSize = [self.expressionStorage.rootLayout size];
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CGFloat y = (self.bounds.size.height - expressionSize.height) / 2;
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NSPoint point = NSMakePoint(self.bounds.origin.x, self.bounds.origin.y + y);
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[self.expressionStorage.rootLayout drawAtPoint:point];
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}
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@end
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