added files via upload

Tweaks/FLEX/Editing/ArgumentInputViews/FLEXArgumentInputFontsPickerView.m

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