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97 lines
3.2 KiB
Objective-C
97 lines
3.2 KiB
Objective-C
//
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// FLEXArgumentInputFontsPickerView.m
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// FLEX
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//
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// Created by 啟倫 陳 on 2014/7/27.
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// Copyright (c) 2014年 f. All rights reserved.
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//
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#import "FLEXArgumentInputFontsPickerView.h"
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#import "FLEXRuntimeUtility.h"
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@interface FLEXArgumentInputFontsPickerView ()
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@property (nonatomic) NSMutableArray<NSString *> *availableFonts;
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@end
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@implementation FLEXArgumentInputFontsPickerView
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- (instancetype)initWithArgumentTypeEncoding:(const char *)typeEncoding {
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self = [super initWithArgumentTypeEncoding:typeEncoding];
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if (self) {
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self.targetSize = FLEXArgumentInputViewSizeSmall;
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[self createAvailableFonts];
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self.inputTextView.inputView = [self createFontsPicker];
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}
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return self;
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}
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- (void)setInputValue:(id)inputValue {
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self.inputTextView.text = inputValue;
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if ([self.availableFonts indexOfObject:inputValue] == NSNotFound) {
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[self.availableFonts insertObject:inputValue atIndex:0];
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}
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[(UIPickerView *)self.inputTextView.inputView selectRow:[self.availableFonts indexOfObject:inputValue] inComponent:0 animated:NO];
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}
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- (id)inputValue {
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return self.inputTextView.text.length > 0 ? [self.inputTextView.text copy] : nil;
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}
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#pragma mark - private
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- (UIPickerView*)createFontsPicker {
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UIPickerView *fontsPicker = [UIPickerView new];
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fontsPicker.dataSource = self;
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fontsPicker.delegate = self;
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fontsPicker.showsSelectionIndicator = YES;
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return fontsPicker;
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}
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- (void)createAvailableFonts {
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NSMutableArray<NSString *> *unsortedFontsArray = [NSMutableArray new];
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for (NSString *eachFontFamily in UIFont.familyNames) {
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for (NSString *eachFontName in [UIFont fontNamesForFamilyName:eachFontFamily]) {
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[unsortedFontsArray addObject:eachFontName];
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}
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}
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self.availableFonts = [NSMutableArray arrayWithArray:[unsortedFontsArray sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)]];
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}
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#pragma mark - UIPickerViewDataSource
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- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
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return 1;
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}
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- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
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return self.availableFonts.count;
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}
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#pragma mark - UIPickerViewDelegate
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- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view {
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UILabel *fontLabel;
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if (!view) {
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fontLabel = [UILabel new];
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fontLabel.backgroundColor = UIColor.clearColor;
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fontLabel.textAlignment = NSTextAlignmentCenter;
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} else {
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fontLabel = (UILabel*)view;
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}
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UIFont *font = [UIFont fontWithName:self.availableFonts[row] size:15.0];
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NSDictionary<NSString *, id> *attributesDictionary = [NSDictionary<NSString *, id> dictionaryWithObject:font forKey:NSFontAttributeName];
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NSAttributedString *attributesString = [[NSAttributedString alloc] initWithString:self.availableFonts[row] attributes:attributesDictionary];
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fontLabel.attributedText = attributesString;
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[fontLabel sizeToFit];
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return fontLabel;
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}
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- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
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self.inputTextView.text = self.availableFonts[row];
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}
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@end
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