Ios使用按钮自定义segmentcontrol
//Author：smilelance
//From：http://blog.csdn.net/smilelance
#import "PDESegmentControl.h"
#define SEGMENT_UNSELECTED 0
#define SEGMENT_SELECTED 1
@implementation PDESegmentControl
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
// Initialization code
}
return self;
}
- (id) initWithFrame:(CGRect)frame items:(NSArray*)itemArray
{
self = [super initWithFrame:frame];
if (self) {
int segmentCount = [itemArray count];
segmentButtons = [[NSMutableArrayalloc] init];
buttonImgNames = [[NSMutableArrayalloc] init];
float segmentWidth = frame.size.width/segmentCount;
for (int i=0; i<segmentCount; i++) {
UIButton *button = [UIButtonbuttonWithType:UIButtonTypeCustom];
button.frame = CGRectMake(segmentWidth*i, 0,
segmentWidth, frame.size.height);
if (i==0) {//left
[buttonImgNamesaddObject:@"seg_btn_left_nor.png"];
[buttonImgNamesaddObject:@"seg_btn_left_sel.png"];
}else if(i==segmentCount-1){//right
[buttonImgNamesaddObject:@"seg_btn_right_nor.png"];
[buttonImgNamesaddObject:@"seg_btn_right_sel.png"];
}else{ //middle
}
button.tag = i;
[button addTarget:selfaction:@selector(segmentAction:)forControlEvents:UIControlEventTouchUpInside];
[button setTitle:[itemArrayobjectAtIndex:i] forState:UIControlStateNormal];
[segmentButtons addObject:button];
[self addSubview:button];
}
[selfsetSegmentIndex:0];
}
return self;
}
-(void)setSegmentIndex:(NSInteger)index
{
_selectedSegmentIndex = index;
[self segmentAction:[segmentButtonsobjectAtIndex:index]];
}
-(void)segmentAction:(id)sender
{
UIButton *button = (UIButton*)sender;
int tag = button.tag;
for(int i=0; i<[segmentButtonscount]; i++){
int nameOffset = SEGMENT_UNSELECTED;
if (tag == i) {
nameOffset = SEGMENT_SELECTED;
}
UIButton *segButton = [segmentButtonsobjectAtIndex:i];
[segButton setBackgroundImage:[UIImageimageNamed:[buttonImgNames objectAtIndex:i*2+nameOffset]]
forState:UIControlStateNormal];
}
}
/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect
{
// Drawing code
}
*/
@end