//
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// HMEmoticonToolbar.m
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// 表情键盘
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//
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// Created by 刘凡 on 16/3/3.
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// Copyright © 2016年 itcast. All rights reserved.
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//
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#import "HMEmoticonToolbar.h"
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#import "UIImage+HMEmoticon.h"
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#import "HMEmoticonManager.h"
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/// 按钮 tag 起始数值
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static NSInteger kEmoticonToolbarTagBaseValue = 1000;
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@implementation HMEmoticonToolbar {
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UIButton *_selectedButton;
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}
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#pragma mark - 构造函数
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- (instancetype)initWithFrame:(CGRect)frame {
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self = [super initWithFrame:frame];
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if (self) {
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[self prepareUI];
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}
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return self;
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}
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- (instancetype)initWithCoder:(NSCoder *)coder {
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self = [super initWithCoder:coder];
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if (self) {
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[self prepareUI];
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}
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return self;
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}
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- (void)layoutSubviews {
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[super layoutSubviews];
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// 计算分组按钮位置
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CGRect rect = self.bounds;
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CGFloat w = rect.size.width / self.subviews.count;
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rect.size.width = w;
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int index = 0;
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for (UIView *v in self.subviews) {
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v.frame = CGRectOffset(rect, index++ * w, 0);
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}
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}
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#pragma mark - 公共方法
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- (void)selectSection:(NSInteger)section {
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UIButton *button = [self viewWithTag:(section + kEmoticonToolbarTagBaseValue)];
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[self selectedButtonWithButton:button];
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}
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#pragma mark - 监听方法
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/// 点击工具栏按钮
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- (void)clickToolbarButton:(UIButton *)button {
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if (button == _selectedButton) {
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return;
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}
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[self selectedButtonWithButton:button];
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[self.delegate emoticonToolbarDidSelectSection:button.tag - kEmoticonToolbarTagBaseValue];
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}
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/// 将指定的按钮设置为选中按钮
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- (void)selectedButtonWithButton:(UIButton *)button {
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button.selected = !button.selected;
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_selectedButton.selected = !_selectedButton.selected;
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_selectedButton = button;
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}
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#pragma mark - 设置界面
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- (void)prepareUI {
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NSArray *packages = [HMEmoticonManager sharedManager].packages;
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// 创建按钮
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NSInteger index = 0;
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for (HMEmoticonPackage *package in packages) {
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[self addChildButton:package.groupName bgImageName:package.bgImageName type:index++];
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}
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}
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- (void)addChildButton:(NSString *)title bgImageName:(NSString *)bgImageName type:(NSInteger)type {
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UIButton *btn = [[UIButton alloc] init];
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btn.tag = type + kEmoticonToolbarTagBaseValue;
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[btn setTitle:title forState:UIControlStateNormal];
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btn.titleLabel.font = [UIFont systemFontOfSize:14];
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[btn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
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[btn setTitleColor:[UIColor grayColor] forState:UIControlStateSelected];
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NSString *imageName = [NSString stringWithFormat:@"compose_emotion_table_%@_normal", bgImageName];
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NSString *imageNameSL = [NSString stringWithFormat:@"compose_emotion_table_%@_selected", bgImageName];
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[btn setBackgroundImage:[[UIImage hm_imageNamed:imageName] hm_resizableImage] forState:UIControlStateNormal];
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[btn setBackgroundImage:[[UIImage hm_imageNamed:imageNameSL] hm_resizableImage] forState:UIControlStateSelected];
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[btn addTarget:self action:@selector(clickToolbarButton:) forControlEvents:UIControlEventTouchUpInside];
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[self addSubview:btn];
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}
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@end
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