/*

     File: Controller.m 

 Abstract: Main controller object for the SBSystemPrefs sample. 

  Version: 1.1 

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 */

#import "Controller.h"

#import "System Preferences.h"

@interface Controller (delegate) <SBApplicationDelegate>

@end

@implementation Controller

@synthesize prefPanes, prefPanesController, selectionWindow;

    /* quit-on-close housekeeping method - the application will quit

     when the main window is closed.  */

- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender {

    return YES;

}

    /* Part of the SBApplicationDelegate protocol.  Called when an error occurs in

     Scripting Bridge method. */

- (id)eventDidFail:(const AppleEvent *)event withError:(NSError *)error

{

    [[NSAlert alertWithMessageText:@"Error" defaultButton:@"OK" alternateButton:nil otherButton:nil

         informativeTextWithFormat: @"%@", [error localizedDescription]] runModal];

    return nil;

}

    /* methods for managing the select-and-display gui interaction. */

    /* populates the list in the select and display window using names

     retrieved from the System Preferences application and waits

     for the user to make a selection */

- (IBAction)selectPaneForDisplay:(id)sender {

        /* allocate a System Preferences Scripting Bridge object */

    SystemPreferencesApplication *systemPreferences =

        [SBApplication

            applicationWithBundleIdentifier:@"com.apple.systempreferences"];

        /* set ourself as the delegate to receive any errors */

    systemPreferences.delegate = self;

        /* add all of the preference panes to the list */

    NSArray *listOfPreferencePanes = [systemPreferences panes];

        /* set the array.  The array controller takes care of the display */

    self.prefPanes = [NSMutableArray arrayWithArray:listOfPreferencePanes];

        /* display the window */

    [self.selectionWindow makeKeyAndOrderFront:self];

        /* interact until a selection is made or the user cancels. */

    NSInteger modalResult = [NSApp runModalForWindow:self.selectionWindow];

        /* hide the window */

    [self.selectionWindow orderOut:self];

        /* if a row was selected, display the selected pane */

    if ( NSNotFound != modalResult ) {

        /* retrieve the selected one. */

        SystemPreferencesPane *selectedPane =

        (SystemPreferencesPane *) [[prefPanesController arrangedObjects]

                                   objectAtIndex: modalResult];

        /* bring the System Preferences app in front */

        [systemPreferences activate];

        /* ask the System Preferences to display the pane.  */

        systemPreferences.currentPane = selectedPane;

    }

        /* reset the array (releases the array of SystemPreferencesPanes

         managed by the array controller) */

    self.prefPanes = nil;

}

    /* called when the user clicks on the 'Show' button in the

     pane selection window. */

- (IBAction)displaySelectedPane:(id)sender {

        /* get the selected row from the table. */

    NSInteger theRow = [prefPanesController selectionIndex];

    if ( NSNotFound != theRow) {  /* if there is selected row... */

            /* done the modal loop, return row selection */

        [NSApp stopModalWithCode: theRow];

    }

}

    /* called when the user clicks on the 'Cancel' button in the

     pane selection window. */

- (IBAction)cancelSelectPaneForDisplay:(id)sender {

        /* done the modal loop, return no selection */

    [NSApp stopModalWithCode: NSNotFound];

}

    /* method for displaying one pane */

- (IBAction)displayUniversalAccess:(id)sender {

        /* allocate a System Preferences Scripting Bridge object */

    SystemPreferencesApplication *systemPreferences =

        [SBApplication

            applicationWithBundleIdentifier:@"com.apple.systempreferences"];

        /* set ourself as the delegate to receive any errors */

    systemPreferences.delegate = self;

        /* bring the System Preferences in front */

    [systemPreferences activate];

        /* display the Universal Access pane */

    systemPreferences.currentPane = (SystemPreferencesPane *)

        [[systemPreferences panes] objectWithID:@"com.apple.preference.universalaccess"];

}

@end