Initial commit

2017-08-15 16:59:01 +08:00
commit bdc83e07ef
5766 changed files with 423223 additions and 0 deletions
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+//
+//  AGEmojiPageView.m
+//  AGEmojiKeyboard
+//
+//  Created by Ayush on 09/05/13.
+//  Copyright (c) 2013 Ayush. All rights reserved.
+//
+
+#import "UMComEmojiPageView.h"
+
+#define BACKSPACE_BUTTON_TAG 10
+#define BUTTON_FONT_SIZE 32
+
+@interface UMComEmojiPageView ()
+
+@property (nonatomic) CGSize buttonSize;
+@property (nonatomic) NSMutableArray *buttons;
+@property (nonatomic) NSUInteger columns;
+@property (nonatomic) NSUInteger rows;
+@property (nonatomic) UIImage *backSpaceButtonImage;
+
+@end
+
+@implementation UMComEmojiPageView
+
+- (void)setButtonTexts:(NSMutableArray *)buttonTexts {
+
+  NSAssert(buttonTexts != nil, @"Array containing texts to be set on buttons is nil");
+
+  if (([self.buttons count] - 1) == [buttonTexts count]) {
+    // just reset text on each button
+    for (NSUInteger i = 0; i < [buttonTexts count]; ++i) {
+      [self.buttons[i] setTitle:buttonTexts[i] forState:UIControlStateNormal];
+    }
+  } else {
+    [self.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
+    self.buttons = nil;
+    self.buttons = [NSMutableArray arrayWithCapacity:self.rows * self.columns];
+    for (NSUInteger i = 0; i < [buttonTexts count]; ++i) {
+        if (i % (self.rows *self.columns -1) == 0 && i > 0) {
+            continue;
+        }
+      UIButton *button = [self createButtonAtIndex:i];
+      [button setTitle:buttonTexts[i] forState:UIControlStateNormal];
+      [self addToViewButton:button];
+    }
+    UIButton *button = [self createButtonAtIndex:self.rows * self.columns - 1];
+      [button setContentEdgeInsets:UIEdgeInsetsMake(10, 10, 10, 10)];
+    [button setImage:self.backSpaceButtonImage forState:UIControlStateNormal];
+    button.tag = BACKSPACE_BUTTON_TAG;
+    [self addToViewButton:button];
+  }
+}
+
+- (void)addToViewButton:(UIButton *)button {
+
+  NSAssert(button != nil, @"Button to be added is nil");
+
+  [self.buttons addObject:button];
+  [self addSubview:button];
+}
+
+// Padding is the expected space between two buttons.
+// Thus, space of top button = padding / 2
+// extra padding according to particular button's pos = pos * padding
+// Margin includes, size of buttons in between = pos * buttonSize
+// Thus, margin = padding / 2
+//                + pos * padding
+//                + pos * buttonSize
+
+- (CGFloat)XMarginForButtonInColumn:(NSInteger)column {
+  CGFloat padding = ((CGRectGetWidth(self.bounds) - self.columns * self.buttonSize.width) / self.columns);
+  return (padding / 2 + column * (padding + self.buttonSize.width));
+}
+
+- (CGFloat)YMarginForButtonInRow:(NSInteger)rowNumber {
+  CGFloat padding = ((CGRectGetHeight(self.bounds) - self.rows * self.buttonSize.height) / self.rows);
+  return (padding / 2 + rowNumber * (padding + self.buttonSize.height));
+}
+
+- (UIButton *)createButtonAtIndex:(NSUInteger)index {
+  UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
+  button.titleLabel.font = [UIFont fontWithName:@"Apple color emoji" size:BUTTON_FONT_SIZE];
+  NSInteger row = (NSInteger)(index / self.columns);
+  NSInteger column = (NSInteger)(index % self.columns);
+  button.frame = CGRectIntegral(CGRectMake([self XMarginForButtonInColumn:column],
+                                           [self YMarginForButtonInRow:row],
+                                           self.buttonSize.width,
+                                           self.buttonSize.height));
+        
+  [button addTarget:self
+             action:@selector(emojiButtonPressed:)
+   forControlEvents:UIControlEventTouchUpInside];
+  return button;
+}
+
+- (id)initWithFrame:(CGRect)frame
+backSpaceButtonImage:(UIImage *)backSpaceButtonImage
+         buttonSize:(CGSize)buttonSize
+               rows:(NSUInteger)rows
+            columns:(NSUInteger)columns {
+  self = [super initWithFrame:frame];
+  if (self) {
+    _backSpaceButtonImage = backSpaceButtonImage;
+    _buttonSize = buttonSize;
+    _columns = columns;
+    _rows = rows;
+    _buttons = [[NSMutableArray alloc] initWithCapacity:rows * columns];
+  }
+  return self;
+}
+
+- (void)emojiButtonPressed:(UIButton *)button {
+  if (button.tag == BACKSPACE_BUTTON_TAG) {
+    [self.delegate emojiPageViewDidPressBackSpace:self];
+    return;
+  }
+  [self.delegate emojiPageView:self didUseEmoji:button.titleLabel.text];
+}
+
+@end