NSWindowController 多個視窗之間傳遞值

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NSWindowController 多個視窗之間傳遞值

主介面一個按鈕點擊，出現另一個視窗，然後輸入123，點OK，在主介面的編輯框內可以得到123這個值，

思路：

由於要給主介面的控制項賦值，所以在第二個視窗裡面設定一個同類型的變數。

然後主介面的控制項 = 第二個視窗的同類型變數。

例如：主介面是

NSTextField 控制項1，

那麼就在子視窗裡面設定這樣一個變數（NSTextField a1），給值。

然後在主介面調用時，讓主介面的NSTextField 控制項1 =a1

這樣主介面就可以得到子介面的值了。

子介面代碼如下

H檔案

////  Form1.h//  test_multi_window////  Created by EDU on 3/6/14.//  Copyright (c) 2014 EDU. All rights reserved.//#import <Cocoa/Cocoa.h>@interface Form1 : NSWindowController@property (assign) IBOutlet NSWindow *window_form1;@property (assign) NSInteger *button_ok_flag;@property (assign) NSString *button_string;@property (assign) IBOutlet NSTextField *m_Edit1;@property (assign) IBOutlet NSTextField *form_main;@property (assign) IBOutlet NSTextField *form_main_m_ET1;@property bool form_ok_cancel_result;-(void)get_value;@end

M檔案

////  Form1.m//  test_multi_window////  Created by  on 3/6/14.//  Copyright (c) 2014 EDU. All rights reserved.//#import "Form1.h"#import "EDUAppDelegate.h"@interface Form1 ()@end@implementation Form1@synthesize form_main;@synthesize form_main_m_ET1;@synthesize window_form1;@synthesize button_ok_flag;@synthesize button_string;@synthesize m_Edit1;@synthesize form_ok_cancel_result;- (id)initWithWindow:(NSWindow *)window{    NSLog (@"init()");        self = [super initWithWindow:window];    if (self)    {           }        return self;}- (void)windowDidLoad{    [super windowDidLoad];    }- (IBAction)OnBT_OK:(id)sender{    form_main.stringValue = @"OK";    form_ok_cancel_result = true;    [self get_value];    [super close];}- (IBAction)OnBT_Cancel:(id)sender{    form_main.stringValue = @"CANCEL";    form_ok_cancel_result = false;    [self get_value];    [super close];}-(void)get_value{    form_main_m_ET1.stringValue = m_Edit1.stringValue;}@end

主視窗代碼如下

H檔案

////  EDUAppDelegate.h//  test_multi_window////  Created by  on 3/6/14.//  Copyright (c) 2014 EDU. All rights reserved.//#import <Cocoa/Cocoa.h>#import "Form1.h"@interface EDUAppDelegate : NSObject <NSApplicationDelegate>@property (assign) Form1 *m_form1;@property (assign) IBOutlet NSWindow *window;@property (assign) IBOutlet NSTextField *m_label1;@property (assign) IBOutlet NSTextField *m_ET1;@end

M檔案

////  EDUAppDelegate.m//  test_multi_window////  Created by EDU on 3/6/14.//  Copyright (c) 2014 EDU. All rights reserved.//#import "EDUAppDelegate.h"@implementation EDUAppDelegate@synthesize m_form1;@synthesize m_label1;@synthesize window;@synthesize m_ET1;- (void)dealloc{    [super dealloc];}- (void)applicationDidFinishLaunching:(NSNotification *)aNotification{    // Insert code here to initialize your application}- (IBAction)OnBT_Form1:(id)sender{    if(!m_form1)    {        m_form1 = [[Form1 alloc] initWithWindowNibName:@"Form1"];    }    m_form1.window.title = @"Hello,this is a test";    m_form1.form_main = m_label1;    m_form1.form_main_m_ET1=m_ET1;    [m_form1 showWindow: sender];}@end

運行編譯OK

完成！