73 lines
2.8 KiB
Objective-C
73 lines
2.8 KiB
Objective-C
//
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// MPDocument.m
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// MathPad
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//
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// Created by Kim Wittenburg on 23.03.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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#import "MPDocument.h"
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@implementation MPDocument
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- (id)init
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{
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self = [super init];
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if (self) {
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// Add your subclass-specific initialization here.
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}
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return self;
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}
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- (NSString *)windowNibName
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{
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// Override returning the nib file name of the document
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// If you need to use a subclass of NSWindowController or if your document supports multiple NSWindowControllers, you should remove this method and override -makeWindowControllers instead.
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return @"MPDocument";
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}
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- (void)windowControllerDidLoadNib:(NSWindowController *)aController
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{
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[super windowControllerDidLoadNib:aController];
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self.expressionView.target = self;
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self.expressionView.action = @selector(evaluateExpression:);
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// Add any code here that needs to be executed once the windowController has loaded the document's window.
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}
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+ (BOOL)autosavesInPlace
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{
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return YES;
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}
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- (NSData *)dataOfType:(NSString *)typeName error:(NSError **)outError
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{
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// Insert code here to write your document to data of the specified type. If outError != NULL, ensure that you create and set an appropriate error when returning nil.
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// You can also choose to override -fileWrapperOfType:error:, -writeToURL:ofType:error:, or -writeToURL:ofType:forSaveOperation:originalContentsURL:error: instead.
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NSException *exception = [NSException exceptionWithName:@"UnimplementedMethod" reason:[NSString stringWithFormat:@"%@ is unimplemented", NSStringFromSelector(_cmd)] userInfo:nil];
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@throw exception;
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return nil;
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}
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- (BOOL)readFromData:(NSData *)data ofType:(NSString *)typeName error:(NSError **)outError
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{
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// Insert code here to read your document from the given data of the specified type. If outError != NULL, ensure that you create and set an appropriate error when returning NO.
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// You can also choose to override -readFromFileWrapper:ofType:error: or -readFromURL:ofType:error: instead.
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// If you override either of these, you should also override -isEntireFileLoaded to return NO if the contents are lazily loaded.
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NSException *exception = [NSException exceptionWithName:@"UnimplementedMethod" reason:[NSString stringWithFormat:@"%@ is unimplemented", NSStringFromSelector(_cmd)] userInfo:nil];
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@throw exception;
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return YES;
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}
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#pragma mark Actions
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- (IBAction)evaluateExpression:(id)sender {
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MPParseError *error;
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NSDecimalNumber *result = [self.expressionView.expressionStorage evaluateWithError:&error];
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self.resultLabel.stringValue = result != nil ? result.description : @"Error!";
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self.errorLabel.stringValue = error != nil ? [NSString stringWithFormat:@"%@, %@", error, error.pathToExpression] : @"No Error";
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if (error) {
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self.expressionView.error = error;
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}
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}
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@end
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