#import "TopicHotkeyView.h"

#define kFirst_Hotkey_Color @"0x0060FF"

#define kOther_Hotkey_Text_Color @"0x222222"

#define kOther_HotKey_Border_Color @"0xb5b5b5"

@interface TopicHotkeyView ()

@property (nonatomic,strong) NSMutableArray *keyDatalist;

@property (nonatomic,strong) NSMutableArray *keyViewlist;

@implementation TopicHotkeyView

- (void)setHotkeys:(NSArray *)hotkeys {

if (!_keyDatalist) {

_keyDatalist = [@[] mutableCopy];

_keyViewlist = [@[] mutableCopy];

}

for (UIView *subView in _keyViewlist) {

[subView removeFromSuperview];

}

[_keyViewlist removeAllObjects];

[_keyDatalist removeAllObjects];

if ([hotkeys count] <= 0) {

self.frame = CGRectMake(self.frame.origin.x, self.frame.origin.y, kScreen_Width, 0);

return;

}

[_keyDatalist addObjectsFromArray:hotkeys];

if(hotkeys.count) {

CGFloat currentWidth = 10.0f;

CGFloat currentHeight = 15.0f;

CGSize currentSize = CGSizeZero;

CGFloat maxWidth = kScreen_Width - 20.0f;

UIFont *hotkeyFont = [UIFont systemFontOfSize:12.0f];

for (int i = 0; i < _keyDatalist.count; i++) {

NSString *displayHotkey = [NSString stringWithFormat:@" #%@# ", hotkeys[i][@"name"]];

UIButton *btnHotkey = [UIButton buttonWithType:UIButtonTypeCustom];

[btnHotkey setTag:i];

[btnHotkey setTitle:displayHotkey forState:UIControlStateNormal];

[btnHotkey.titleLabel setFont:hotkeyFont];

btnHotkey.layer.borderWidth = 1.0f;

btnHotkey.layer.cornerRadius = 15.0f;

[btnHotkey addTarget:self action:@selector(didClickButton:) forControlEvents:UIControlEventTouchUpInside];

if(i == 0) {

[btnHotkey setTitleColor:[UIColor colorWithHexString:kFirst_Hotkey_Color] forState:UIControlStateNormal];

[btnHotkey setTitleColor:[UIColor colorWithHexString:kFirst_Hotkey_Color andAlpha:0.3] forState:UIControlStateHighlighted];

btnHotkey.layer.borderColor = [[UIColor colorWithHexString:kFirst_Hotkey_Color] CGColor];

}else {

[btnHotkey setTitleColor:[UIColor colorWithHexString:kOther_Hotkey_Text_Color] forState:UIControlStateNormal];

[btnHotkey setTitleColor:[UIColor colorWithHexString:kOther_Hotkey_Text_Color andAlpha:0.3] forState:UIControlStateHighlighted];

btnHotkey.layer.borderColor = [[UIColor colorWithHexString:kOther_HotKey_Border_Color] CGColor];

}

currentSize = [self computeSizeFromString:displayHotkey];

if (currentSize.width >= maxWidth) {

CGFloat height = ((int)currentSize.width % (int)maxWidth ? currentSize.width / maxWidth : currentSize.width / maxWidth + 1) * currentSize.height;

btnHotkey.frame = CGRectMake(currentWidth, currentHeight, maxWidth, height);

currentHeight = currentHeight + height + 10.0f;

currentWidth = 10.0f;

}else {

if(currentSize.width + currentWidth < maxWidth) {

btnHotkey.frame = CGRectMake(currentWidth, currentHeight, currentSize.width, currentSize.height);

currentWidth = currentWidth + currentSize.width + 5.0f;

}else if (currentSize.width + currentWidth == maxWidth) {

btnHotkey.frame = CGRectMake(currentWidth, currentHeight, currentSize.width, currentSize.height);

currentWidth = 10.0f;

currentHeight = currentHeight + currentSize.height + 10.0f;

}else if(currentSize.width + currentWidth > maxWidth ) {

currentWidth = 10.0f;

currentHeight = currentHeight + currentSize.height + 10.0f;

btnHotkey.frame = CGRectMake(currentWidth, currentHeight, currentSize.width, currentSize.height);

currentWidth = currentWidth + currentSize.width + 5.0f;

}

}

if(i == hotkeys.count - 1) {

currentHeight += currentSize.height + 15.0f;

}

[self addSubview:btnHotkey];

[_keyViewlist addObject:btnHotkey];

}

self.frame = CGRectMake(self.frame.origin.x, self.frame.origin.y, kScreen_Width, currentHeight);

}

}

- (CGSize)computeSizeFromString:(NSString *)string {

CGSize maxSize = CGSizeMake(kScreen_Width, 30);

CGSize curSize = [string boundingRectWithSize:maxSize

options:(NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading)

attributes:@{ NSFontAttributeName : [UIFont systemFontOfSize:12.0f] }

context:nil].size;

return CGSizeMake(ceilf(curSize.width), 30);

}

- (void)didClickButton:(id)sender {

NSInteger index = [(UIButton *)sender tag];

if (_block) {

_block(_keyDatalist[index]);

}

}