/*

File: GridSampleNewJobWindowController.m

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*/ 

#import "GridSampleNewJobWindowController.h"

#import "GridSampleMainWindowController.h"

#import "GridSampleConnectionController.h"

@interface GridSampleNewJobWindowController (Private)

- (void)setGetSpecificationActionMonitor:(XGActionMonitor *)actionMonitor;

- (XGActionMonitor *)getSpecificationActionMonitor;

- (void)setSubmitJobActionMonitor:(XGActionMonitor *)actionMonitor;

- (XGActionMonitor *)submitJobActionMonitor;

- (void)loadJobSpecification;

- (void)jobSpecificationDidLoad:(NSDictionary *)jobSpecification;

- (void)jobSpecificationDidNotLoad:(NSDictionary *)results;

- (void)jobDidSubmit:(NSDictionary *)results;

- (void)jobDidNotSubmit:(NSDictionary *)results;

- (XGGrid *)selectedGrid;

- (NSDictionary *)jobSpecification;

@end

@implementation GridSampleNewJobWindowController

+ (id)newJobWindowController;

{

    return [[[self alloc] init] autorelease];

}

+ (id)newJobWindowControllerWithJob:(XGJob *)job;

{

    return [[[self alloc] initWithJob:job] autorelease];

}

- (id)initWithWindowNibName:(NSString *)windowNibName;

{

    return [super initWithWindowNibName:windowNibName];

}   

- (id)init;

{

    return [self initWithWindowNibName:@"NewJob"];

}

- (id)initWithJob:(XGJob *)job;

{

    self = [self init];

    if (self != nil) {

        [self setJob:job];

    }

    return self;

}

- (void)dealloc;

{

    [[NSNotificationCenter defaultCenter] removeObserver:self];

    [_job release];

    [self setGetSpecificationActionMonitor:nil];

    [self setSubmitJobActionMonitor:nil];

    [super dealloc];

}

#pragma mark *** Window loading ***

- (void)windowDidLoad;

{

    if ([self job] != nil) {

        [self loadJobSpecification];

    }

}

#pragma mark *** Window delegate methods ***

- (void)windowWillClose:(NSNotification *)notification;

{

    [_ownerObjectController setContent:nil];

    [self retain];

    [[self mainWindowController] removeNewJobWindowController:self];

    [self autorelease];

}

#pragma mark *** Accessors ***

- (void)setMainWindowController:(GridSampleMainWindowController *)mainWindowController;

{

    _mainWindowController = mainWindowController;

}

- (GridSampleMainWindowController *)mainWindowController;

{

    return _mainWindowController;

}

- (void)setJob:(XGJob *)job;

{

    if (_job != job) {

        [_job autorelease];

        _job = [job retain];

    }

}

- (XGJob *)job;

{

    return _job;

}

- (void)setGetSpecificationActionMonitor:(XGActionMonitor *)actionMonitor;

{

    if (_getSpecificationActionMonitor != actionMonitor) {

        [_getSpecificationActionMonitor removeObserver:self forKeyPath:@"outcome"];

        [_getSpecificationActionMonitor autorelease];

        _getSpecificationActionMonitor = [actionMonitor retain];

        [_getSpecificationActionMonitor addObserver:self forKeyPath:@"outcome" options:0 context:NULL];

    }

}

- (XGActionMonitor *)getSpecificationActionMonitor;

{

    return _getSpecificationActionMonitor;

}

- (void)setSubmitJobActionMonitor:(XGActionMonitor *)actionMonitor;

{

    if (_submitJobActionMonitor != actionMonitor) {

        [_submitJobActionMonitor removeObserver:self forKeyPath:@"outcome"];

        [_submitJobActionMonitor autorelease];

        _submitJobActionMonitor = [actionMonitor retain];

        [_submitJobActionMonitor addObserver:self forKeyPath:@"outcome" options:0 context:NULL];

    }

}

- (XGActionMonitor *)submitJobActionMonitor;

{

    return _submitJobActionMonitor;

}

#pragma mark *** UI actions ***

- (IBAction)submitJob:(id)sender;

{

    if ([[(NSView *)sender window] makeFirstResponder:nil] == NO) {

        NSBeep();

        return;

    } 

    [self setValue:@"Submitting new job..." forKey:@"statusMessage"];

    [self setValue:[NSNumber numberWithBool:YES] forKey:@"isLoading"];

    NSDictionary *jobSpecification = [self jobSpecification];

    if (jobSpecification != nil) {

        NSString *gridIdentifier = [[self selectedGrid] identifier];

        XGActionMonitor *actionMonitor = [[[[self mainWindowController] connectionController] controller] performSubmitJobActionWithJobSpecification:jobSpecification gridIdentifier:gridIdentifier];

        [self setSubmitJobActionMonitor:actionMonitor];

    }

    else {

        [self setValue:@"Submission failed due to a local error" forKey:@"statusMessage"];

        [self setValue:[NSNumber numberWithBool:NO] forKey:@"isLoading"];

        NSBeep();

    }

}

#pragma mark *** Convenience methods ***

- (void)loadJobSpecification;

{   

    [self setValue:@"Loading job specification..." forKey:@"statusMessage"];

    [self setValue:[NSNumber numberWithBool:YES] forKey:@"isLoading"];

    XGActionMonitor *actionMonitor = [[self job] performGetSpecificationAction];

    [self setGetSpecificationActionMonitor:actionMonitor];

}

- (void)jobSpecificationDidLoad:(NSDictionary *)jobSpecification;

{

    NSString *name = [jobSpecification objectForKey:XGJobSpecificationNameKey];

    NSDictionary *taskSpecifications = [jobSpecification objectForKey:XGJobSpecificationTaskSpecificationsKey];

    NSDictionary *taskSpecification = [taskSpecifications objectForKey:@"0"];

    NSArray *arguments = [taskSpecification objectForKey:XGJobSpecificationArgumentsKey];

    NSString *command = [arguments count] > 1 ? [arguments objectAtIndex:1] : nil;

    [self setValue:name forKey:@"jobName"];

    [self setValue:command forKey:@"command"];

    [self setValue:@"" forKey:@"statusMessage"];

    [self setValue:[NSNumber numberWithBool:NO] forKey:@"isLoading"];

    [self setGetSpecificationActionMonitor:nil];

}

- (void)jobSpecificationDidNotLoad:(NSDictionary *)results;

{

    [self setValue:@"Clone failed" forKey:@"statusMessage"];

    [self setValue:[NSNumber numberWithBool:NO] forKey:@"isLoading"];

    [self setGetSpecificationActionMonitor:nil];

}

- (void)jobDidSubmit:(NSDictionary *)results;

{

    [self setValue:@"" forKey:@"statusMessage"];

    [self setValue:[NSNumber numberWithBool:NO] forKey:@"isLoading"];

    [self setSubmitJobActionMonitor:nil];

    [[self window] close];

}

- (void)jobDidNotSubmit:(NSDictionary *)results;

{

    [self setValue:@"Submission failed" forKey:@"statusMessage"];

    [self setValue:[NSNumber numberWithBool:NO] forKey:@"isLoading"];

    [self setSubmitJobActionMonitor:nil];

}

- (XGGrid *)selectedGrid;

{

    NSArray *selectedObjects = [_gridsArrayController selectedObjects];

    if ([selectedObjects count] == 1) {

        return [selectedObjects objectAtIndex:0];

    }

    return nil;

}

- (NSDictionary *)jobSpecification;

{

    NSString *name = _jobName;

    NSString *command = _command;

    if (name == nil || [name isEqualToString:@""] == YES) {

        name = command;

    }

    // task specification

    NSString *taskCommand = @"/bin/sh";

    NSArray *taskArguments = [NSArray arrayWithObjects:@"-c", command, nil];

    NSMutableDictionary *taskSpecification = [NSMutableDictionary dictionary];

    [taskSpecification setObject:taskCommand forKey:XGJobSpecificationCommandKey];

    [taskSpecification setObject:taskArguments forKey:XGJobSpecificationArgumentsKey];

    // task specifications

    NSString *taskIdentifier = @"0";

    NSMutableDictionary *taskSpecifications = [NSMutableDictionary dictionary];

    [taskSpecifications setObject:taskSpecification forKey:taskIdentifier];

    // job specification

    NSString *jobSubmissionIdentifier = @"abc";

    NSMutableDictionary *jobSpecification = [NSMutableDictionary dictionary];

    [jobSpecification setObject:XGJobSpecificationTypeTaskListValue forKey:XGJobSpecificationTypeKey];

    [jobSpecification setObject:name forKey:XGJobSpecificationNameKey];

    [jobSpecification setObject:jobSubmissionIdentifier forKey:XGJobSpecificationSubmissionIdentifierKey];

    [jobSpecification setObject:taskSpecifications forKey:XGJobSpecificationTaskSpecificationsKey];

    return jobSpecification;

}

#pragma mark *** Key-value observer method ***

- (void)observeValueForKeyPath:(NSString *)keyPath

                      ofObject:(id)object 

                        change:(NSDictionary *)change

                       context:(void *)context;

{

    if (object == [self getSpecificationActionMonitor] && [keyPath isEqualToString:@"outcome"] == YES) {

        XGActionMonitor *actionMonitor = object;

        if ([actionMonitor outcome] == XGActionMonitorOutcomeSuccess) {

            [self jobSpecificationDidLoad:[actionMonitor results]];

        }

        else {

            [self jobSpecificationDidNotLoad:[actionMonitor results]];

        }

    }

    else if (object == [self submitJobActionMonitor] && [keyPath isEqualToString:@"outcome"] == YES) {

        XGActionMonitor *actionMonitor = object;

        if ([actionMonitor outcome] == XGActionMonitorOutcomeSuccess) {

            [self jobDidSubmit:[actionMonitor results]];

        }

        else {

            [self jobDidNotSubmit:[actionMonitor results]];

        }

    }

    else {

        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];

    }

}

@end