103 lines
3.2 KiB
Objective-C
103 lines
3.2 KiB
Objective-C
//
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// SharedDecleartions.m
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// FMC Planner 2
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//
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// Created by Kilian Hofmann on 23.03.16.
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// Copyright © 2016 Kilian Hofmann. All rights reserved.
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//
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#import "SharedDeclerations.h"
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@implementation SharedDeclerations
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NSString *const FMCNEXTRTEPAGE = @"NEXTRTEPAGE";
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NSString *const FMCFIRSTRTEPAGE = @"FIRSTRTEPAGE";
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NSString *const DropboxErrorDomain = @"com.weebly.alikja.FMC";
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NSString *const DropboxErrorUserInfo = @"error_summary";
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#pragma mark - Adaptive font size method
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+ (UIFont *)findAdaptiveFontForUILabelSize:(CGSize)labelSize
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withMinimumSize:(NSInteger)minSize
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withMod:(float)mod
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{
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UIFont *tempFont = nil;
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NSString *testString =
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@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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NSInteger tempMin = minSize / mod;
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NSInteger tempMax = 256;
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NSInteger mid = 0;
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NSInteger difference = 0;
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while (tempMin <= tempMax) {
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mid = tempMin + (tempMax - tempMin) / 2;
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tempFont = [UIFont systemFontOfSize:mid];
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difference = labelSize.height / mod - [testString sizeWithAttributes:@{
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NSFontAttributeName : tempFont
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}].height;
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if (mid == tempMin || mid == tempMax) {
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if (difference < 0) {
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return [UIFont systemFontOfSize:(mid - 1)];
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}
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return [UIFont systemFontOfSize:mid];
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}
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if (difference < 0) {
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tempMax = mid - 1;
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}
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else if (difference > 0) {
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tempMin = mid + 1;
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}
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else {
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return [UIFont systemFontOfSize:mid];
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}
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}
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return [UIFont systemFontOfSize:mid];
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}
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#pragma mark - Savepath method
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+ (NSString *)savePathForFile:(NSString *)file
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{
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NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
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NSUserDomainMask, YES);
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NSString *documentsPath = paths[0];
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return [documentsPath
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stringByAppendingString:[NSString stringWithFormat:@"/%@", file]];
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}
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#pragma mark - Alert for handling displaying Error Messages.
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+ (void)presentErrorAlert:(NSError *)error
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presenter:(UIViewController *)presenter
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{
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if ([UIAlertController class]) {
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UIAlertController *alert = [UIAlertController
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alertControllerWithTitle:@"Error"
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message:error.localizedDescription
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preferredStyle:UIAlertControllerStyleActionSheet];
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UIAlertAction *defaultAction =
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[UIAlertAction actionWithTitle:@"OK"
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style:UIAlertActionStyleCancel
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handler:nil];
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[alert addAction:defaultAction];
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[presenter presentViewController:alert animated:YES completion:nil];
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}
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else {
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UIAlertView *alert =
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[[UIAlertView alloc] initWithTitle:@"Error"
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message:error.localizedDescription
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delegate:nil
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cancelButtonTitle:@"Cancel"
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otherButtonTitles:nil];
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[alert show];
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}
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}
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@end
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