/*

 Copyright (C) 2018 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Controller object for the edit sheet panel.

 */

#import "ChildEditController.h"

#import "MyWindowController.h"

@interface ChildEditController ()

{

    BOOL cancelled;

    NSDictionary *savedFields;

    IBOutlet NSButton *doneButton;

    IBOutlet NSTextField *nameField;

    IBOutlet NSTextField *urlField;

}

@end

#pragma mark -

@implementation ChildEditController

// -------------------------------------------------------------------------------

//  windowNibName

// -------------------------------------------------------------------------------

- (NSString *)windowNibName

{

    return @"ChildEdit";

}

// -------------------------------------------------------------------------------

//  edit:startingValues:from

// -------------------------------------------------------------------------------

- (NSDictionary *)edit:(NSDictionary *)startingValues from:(MyWindowController *)sender

{

    cancelled = NO;

    if (startingValues != nil)

    {

        // we are editing current entry, use its values as the default

        savedFields = startingValues;

        nameField.stringValue = startingValues[@"name"];

        urlField.stringValue = startingValues[@"url"];

    }

    else

    {

        // we are adding a new entry,

        // make sure the form fields are empty due to the fact that this controller is recycled

        // each time the user opens the sheet -

        //

        nameField.stringValue = @"";

        urlField.stringValue = @"";

    }

    [nameField becomeFirstResponder];

    NSWindow *window = [self window];

    [NSApp beginSheet:window modalForWindow:[sender window] modalDelegate:nil didEndSelector:nil contextInfo:nil];

    // done button enabled only if both edit fields have text

    doneButton.enabled = (nameField.stringValue.length > 0 && urlField.stringValue.length > 0);

    [NSApp runModalForWindow:window];

    // sheet is up here...

    [NSApp endSheet:window];

    [window orderOut:self];

    return savedFields;

}

// -------------------------------------------------------------------------------

//  done:sender

// -------------------------------------------------------------------------------

- (IBAction)done:(id)sender

{

    NSString *urlStr;

    if (![[urlField stringValue] hasPrefix:@"http://"])

    {

        urlStr = [NSString stringWithFormat:@"http://%@", [urlField stringValue]];

    }

    else

    {

        urlStr = [urlField stringValue];

    }

    savedFields = [NSMutableDictionary dictionaryWithObjectsAndKeys:

                   [nameField stringValue], @"name",

                   urlStr, @"url",

                   nil];

    [NSApp stopModal];

}

// -------------------------------------------------------------------------------

//  cancel:sender

// -------------------------------------------------------------------------------

- (IBAction)cancel:(id)sender

{

    [NSApp stopModal];

    cancelled = YES;

}

// -------------------------------------------------------------------------------

//  wasCancelled:

// -------------------------------------------------------------------------------

- (BOOL)wasCancelled

{

    return cancelled;

}

// -------------------------------------------------------------------------------

//  controlTextDidChange:obj

//

//  for this to be called, we need to be a delegate to both NSTextFields

// -------------------------------------------------------------------------------

- (void)controlTextDidChange:(NSNotification *)obj

{

    doneButton.enabled = (nameField.stringValue.length > 0 && urlField.stringValue.length > 0);

}

@end