Custom segmentcontrol using buttons in IOS

// Author: smilelance

// From: http://blog.csdn.net/smilelance

# Import <uikit/uikit. h>

@ Interface pdesegmentcontrol:
Uiview

{

Nsmutablearray * segmentbuttons;

Nsmutablearray * buttonimgnames;

}

@ Property (readonly,
Nonatomic) nsinteger selectedsegmentindex;

-(ID) initwithframe :( cgrect) frame items :( nsarray *) itemarray;

-(Void) setsegmentindex :( nsinteger) index;

// Segment Control

// Nsarray * segmentitems = [nsarray arraywithobjects: @ "not approved", @ "approved", nil];

// Uisegmentedcontrol * segmentedcontrol = [[uisegmentedcontrol alloc] initwithitems: segmentitems];

// Segmentedcontrol. Frame = cgrectmake (310,295,160, 36 );

// [Segmentedcontrol addtarget: Self action: @ selector (segmentaction :) forcontrolevents: uicontroleventvaluechanged];

// Segmentedcontrol. segmentedcontrolstyle = uisegmentedcontrolstylebordered;

// Segmentedcontrol. selectedsegmentindex = 0;

// Myborrowrequesttype = segmentedcontrol. selectedsegmentindex;

// [Self. View addsubview: segmentedcontrol];

@ End

# 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 = [nsmutablearray
Alloc] init];

Buttonimgnames = [nsmutablearray
Alloc] init];

Float segmentwidth = frame. Size. width/segmentcount;

For (INT I = 0; I <segmentcount; I ++ ){

Uibutton * button = [uibutton
Buttonwithtype: uibuttontypecustom];

Button. Frame =
Cgrectmake (segmentwidth * I, 0,

Segmentwidth, frame. Size. Height );

If (I = 0 ){
// Left

[Buttonimgnames
Addobject: @ "seg_btn_left_nor.png"];

[Buttonimgnames
Addobject: @ "seg_btn_left_sel.png"];

} Else if (I = segmentCount-1 ){
// Right

[Buttonimgnames
Addobject: @ "seg_btn_right_nor.png"];

[Buttonimgnames
Addobject: @ "seg_btn_right_sel.png"];

} Else {// middle

}

Button. Tag = I;

[Button addtarget: Self
Action: @ selector (segmentaction :)
Forcontrolevents: uicontroleventtouchupinside];

[Button settitle: [itemarray
Objectatindex: I] forstate: uicontrolstatenormal];

[Segmentbuttons
Addobject: button];

[Self addsubview: button];

}

[Self
Setsegmentindex: 0];

}

Return self;

}

-(Void) setsegmentindex :( nsinteger) Index

{

_ Selectedsegmentindex = index;

[Self segmentaction: [segmentbuttons
Objectatindex: Index];

}

-(Void) segmentaction :( ID) sender

{

Uibutton * button = (uibutton *) sender;

Int tag = button. Tag;

For (INT I = 0; I <[segmentbuttons
Count]; I ++ ){

Int nameoffset = segment_unselected;

If (TAG = I ){

Nameoffset = segment_selected;

}

Uibutton * segbutton = [segmentbuttons
Objectatindex: I];

[Segbutton setbackgroundimage: [uiimage
Imagenamed: [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