/Users/awniemel/Notepad-SVN/svn/trunk/CatNiP/CatNiP/ScorePopoverController.m

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#define LIBRARYTYPE self.master.libraryType.selectedSegmentIndex 

#import "ScorePopoverController.h"
#import "CatNiPViewController.h"

@implementation ScorePopoverController

@synthesize compositionData;
@synthesize composition;
@synthesize composer;
@synthesize master;
@synthesize editable;

- (id)initWithStyle:(UITableViewStyle)style masterController:(CatNiPViewController *)controller compositionData:(CompositionData *)compData editable:(BOOL)ed
{
    self = [super initWithStyle:style];
    if (self) 
    {
        self.master = controller;
        self.composition = compData.compositionName;
        self.composer = compData.composerName;
        self.compositionData = compData;
        self.editable = ed;
    }
    return self;
}

- (void)dealloc
{
    [compositionData release];
    [composition release];
    [composer release];
    [super dealloc];
}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Release any cached data, images, etc that aren't in use.
}

#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];

    self.tableView.allowsSelectionDuringEditing = YES;
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    [self.tableView setClipsToBounds:YES];
    
    // Uncomment the following line to preserve selection between presentations.
    // self.clearsSelectionOnViewWillAppear = NO;
 
    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
}

- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated
{
    [super viewWillDisappear:animated];
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    // Return YES for supported orientations
        return YES;
}

#pragma mark - Table view data source
/*********** UITableViewDataSource protocol's functions *************/
/*                                                                  */
/*                                                                  */
/*  For more information about these check framework's API.         */
/********************************************************************/

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 1;
}


- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [self.compositionData.musicScores count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [master tableView:self.tableView createCellWithIdentifier:@"ScoreCell"];
    
    // make accessory views for both states though only one is used depending on master's 
    // tableviews' delegates and datasources
    cell.editingAccessoryView = [self createAccessoryViewForIndexPath:indexPath];
    cell.accessoryView = [self createAccessoryViewForIndexPath:indexPath];
    
    // adjust background colors to match application "style"
    cell.backgroundColor = [UIColor clearColor];
    cell.textLabel.backgroundColor = [self.master.libraryTableViewRight.backgroundColor colorWithAlphaComponent:0.3];
    UIView *bg = [[UIView alloc] init];
    bg.backgroundColor = [self.master.libraryTableViewRight.backgroundColor colorWithAlphaComponent:0.3];    
    cell.backgroundView = bg; 
    
    /* insert right score name in here */ 
    NSString *cellText;
    cellText = [[self.compositionData.musicScores objectAtIndex:[indexPath row]] description]; 
    cell.textLabel.text = cellText;
            
    return cell;
}

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath 
{
    return self.editable;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath 
{
    LocalScoreData *selectedScore = [[self.compositionData musicScores] objectAtIndex:indexPath.row];
    
    if (selectedScore == self.master.currentScore) // can't delete currently showing score
    {
        UIAlertView *a = [[[UIAlertView alloc] initWithTitle:@"Operation can't be completed" message:@"Score that is currently showing can't be deleted" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease];
        [a show];
    }
    else // remove references to score from local data
    {
        // if selected score is in currently viewed playlist stop viewing playlist.
        if ([LocalDataHandler scoreArray:self.master.currentPlaylist.scorelist hasScoreWithPdfFilePath:selectedScore.pdf])
        {
            self.master.currentPlaylist = nil;
        }
        
        NSLog(@"musicScores count %d", [[self.compositionData musicScores] count]);
        [[self.compositionData musicScores] removeObjectAtIndex:indexPath.row];
        [self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationTop];
        NSLog(@"musicScores count %d", [[self.compositionData musicScores] count]);
        [self.tableView reloadData];

        
        [LocalDataHandler removeAndDeleteLocalScoreData:selectedScore fromScoreArray:self.master.localDelegateAndDataSource.allLocalScores andDictionary:self.master.localDelegateAndDataSource.composerDictionary andPlaylistArray:self.master.playlistsDelegateAndDataSource.playlists];
        if ([[self.compositionData musicScores] count] == 0) 
        {
            [self.master dismissScorePopover];
            [self.master.localDelegateAndDataSource updateTables];
        }
    }
}

#pragma mark - Table view delegate
/************ UITableViewDelegate protocol's functions **************/
/*                                                                  */
/*                                                                  */
/*  For more information about these check framework's API.         */
/********************************************************************/

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section 
{
    UILabel *header;
    NSString *headerText;
    
    /* switch case for later implementation of different score "types" in different sections, etc. */
    switch (section) {
        default:
            header = [[[UILabel alloc] initWithFrame:CGRectZero] autorelease];
            headerText = [@"Scores for " stringByAppendingString:self.composition];
            header.text = headerText;
            
            /* define header appearance */
            header.minimumFontSize = 20;
            header.textAlignment = UITextAlignmentCenter;
            header.numberOfLines = 0;
            header.font = [UIFont fontWithName:@"Georgia" size:20.0];
            header.lineBreakMode = UILineBreakModeWordWrap;
            
            /* lighten the color from master.libraryTableViewRight to get UI lighten higher the popups, etc. are. */
            header.backgroundColor = [self.master.libraryTableViewRight.backgroundColor colorWithAlphaComponent:0.40];
            
            break;
    }
    return header;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section 
{
    NSInteger l = [self.composition length] +10; 
    return ((int)(l / 45) +1) * 25 + 50;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath 
{
    NSInteger l = [[[[self.compositionData musicScores] objectAtIndex:indexPath.row] description] length] + 3;
    NSInteger height = (((int)(l / 50)+1) * 17) + 50; // TODO: refactor this
    if (height > 70) return height;
    else return 70;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    ScoreData *selectedScore= [self.compositionData.musicScores objectAtIndex:[indexPath row]];
    
    switch (LIBRARYTYPE) 
    {
        case LOCAL: // its already stored locally  
            [self.master showScoreSheets:(LocalScoreData *)selectedScore];
            break;
        case IMSLP: 
            // already downloading, do nothing
            if ([IMSLPQueryHelper readInProgressFor:selectedScore.pdf]) break; 
            
            // previously downloaded, don't allow downloading
            if ([LocalDataHandler scoreArray:self.master.localDelegateAndDataSource.allLocalScores hasScoreWithPdfFileName:selectedScore.pdf]) break; // 
    
            // need to download it first
            [IMSLPQueryHelper readIMSLPFile:selectedScore.pdf ofComposition:self.compositionData reportTo:self.master withMethod:
             @selector(saveAndShowScore::)];
            UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
            cell.editingAccessoryView = [self downloadingAccessoryViewForIndexPath: indexPath];
            cell.accessoryView = [self downloadingAccessoryViewForIndexPath: indexPath];
            break;
        default:
            // handle exceptions
            break;
    }   
}

- (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (self.editable == YES) return UITableViewCellEditingStyleDelete;
    return UITableViewCellEditingStyleNone;
}

- (UIView *)createAccessoryViewForIndexPath:(NSIndexPath *)indexPath
{
    switch (LIBRARYTYPE)
    {
        case IMSLP:
            return [self IMSLPAccessoryViewForIndexPath:indexPath];
        case LOCAL:
            return [self LocalAccessoryViewForIndexPath:indexPath];
        default:
            return NULL;
    }
}

-(UIView *)IMSLPAccessoryViewForIndexPath:(NSIndexPath *)indexPath
{
    ScoreData *selectedScore = [self.compositionData.musicScores objectAtIndex:indexPath.row];
    
    // pdf associated with selected score is already stored locally. dont allow downloading.
    if ([LocalDataHandler scoreArray:self.master.localDelegateAndDataSource.allLocalScores hasScoreWithPdfFileName:selectedScore.pdf])
    {
        return [self downloadedAccessoryViewForIndexPath:indexPath];
    }
    // pdf associated with seleted score is already downloading. Show progressbar and cancel button.
    else if ([IMSLPQueryHelper readInProgressFor:selectedScore.pdf]) 
    {
        return [self downloadingAccessoryViewForIndexPath:indexPath];
    }
    // pdf associated with selected score can be downloaded
    else  
    {     
        return [self downloadableAccessoryViewForIndexPath:indexPath];
    }
}

-(UIView *)LocalAccessoryViewForIndexPath:(NSIndexPath *)indexPath
{
    ScoreData *selectedScore = [self.compositionData.musicScores objectAtIndex:indexPath.row];
    ScoreListButton *detailButton = [self createDetailButtonForScore:selectedScore];
    ScoreListButton *playlistButton = [self createAddToPlaylistButtonForScore:selectedScore];
    
    CGRect frame = CGRectMake(5, 5, 66, 66);
    playlistButton.frame = frame;
    frame.origin.x = frame.origin.x + 66;
    detailButton.frame = frame;
    
    UIView *av = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 143, 76)] autorelease];
    [av addSubview:detailButton];
    [av addSubview:playlistButton];
    return av;
}

-(UIView *)downloadableAccessoryViewForIndexPath:(NSIndexPath *)indexPath
{
    UIView *av = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 143, 76)] autorelease];
    ScoreData *selectedScore = [self.compositionData.musicScores objectAtIndex:indexPath.row];
    
    CGRect frame = CGRectMake(5, 5, 66, 66);
    ScoreListButton *downloadButton = [self createDownloadButtonForScore:selectedScore];
    downloadButton.frame = frame;
    
    frame.origin.x = frame.origin.x + 66;
    ScoreListButton *detailButton = [self createDetailButtonForScore:selectedScore];
    detailButton.frame = frame;
    
    [av addSubview:downloadButton];
    [av addSubview:detailButton];
    
    return av;
}

-(UIView *)downloadingAccessoryViewForIndexPath:(NSIndexPath *)indexPath
{
    UIView *av = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 200, 76)] autorelease];
    ScoreData *selectedScore = [self.compositionData.musicScores objectAtIndex:indexPath.row];
    
    CGRect frame = CGRectMake(5, (av.frame.size.height / 2) -3, 57, av.frame.size.height);
    
    // create progressbar for download
    UIProgressView *pv = [[[UIProgressView alloc] initWithFrame:frame] autorelease];
    
    // create timer to update progressbar's view
    NSTimer *nt = [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(updateProgressView:) userInfo:[[[NSArray alloc] initWithObjects:pv, selectedScore.pdf, nil] retain] repeats:YES]; 
    [nt retain];
    
    frame = CGRectMake(frame.origin.x + 57 + 21, 26, 24, 24);
    ScoreListButton *cancelButton = [self createCancelButtonForScore:selectedScore];
    cancelButton.frame = frame;
    
    frame.origin.x = frame.origin.x + 66;
    ScoreListButton *detailButton = [self createDetailButtonForScore:selectedScore];
    detailButton.frame = frame;
     
    [av addSubview:pv];
    [av addSubview:cancelButton];
    [av addSubview:detailButton];
    
    return av;
}

-(UIView *)downloadedAccessoryViewForIndexPath:(NSIndexPath *)indexPath
{
    UIView *av = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 143, 76)] autorelease];
    ScoreData *selectedScore = [self.compositionData.musicScores objectAtIndex:indexPath.row];
    
    CGRect frame = CGRectMake(26, 26, 24, 24);
    UIImageView *iv = [[[UIImageView alloc] initWithImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"117-todo.png"]]] autorelease];
    iv.frame = frame;
    
    
    frame.origin.x = frame.origin.x + 66;
    ScoreListButton *detailButton = [self createDetailButtonForScore:selectedScore];
    detailButton.frame = frame;
    
    [av addSubview:iv];
    [av addSubview:detailButton];
    
    return av;
}

-(ScoreListButton *)createDetailButtonForScore:(ScoreData *)score
{
    ScoreListButton *button = [[[ScoreListButton alloc] initWithScore:score] autorelease];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"06-magnify.png"]]  forState:UIControlStateNormal];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"06-magnify.png"]] forState:UIControlStateSelected];
    [button setShowsTouchWhenHighlighted:YES];
    [button addTarget:self action:@selector(showDetailsForScore:) forControlEvents:UIControlEventTouchUpInside];
        
    return button;
}

-(ScoreListButton *)createDownloadButtonForScore:(ScoreData *)score
{
    ScoreListButton *button = [[[ScoreListButton alloc] initWithScore:score] autorelease];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"57-download.png"]]  forState:UIControlStateNormal];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"57-download.png"]] forState:UIControlStateSelected];
    [button setShowsTouchWhenHighlighted:YES];
    [button addTarget:self action:@selector(downloadScore:) forControlEvents:UIControlEventTouchUpInside];
    
    return button;
}

-(ScoreListButton *)createAddToPlaylistButtonForScore:(ScoreData *)score
{
    ScoreListButton *button = [[[ScoreListButton alloc] initWithScore:score] autorelease];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"104-index-cards.png"]]  forState:UIControlStateNormal];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"104-index-cards.png"]] forState:UIControlStateSelected];
    [button setShowsTouchWhenHighlighted:YES];
    [button addTarget:self action:@selector(addToPlaylist:) forControlEvents:UIControlEventTouchUpInside];
    
    return button;
}

-(ScoreListButton *)createCancelButtonForScore:(ScoreData *)score 
{
    ScoreListButton *button = [[[ScoreListButton alloc] initWithScore:score] autorelease];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"cancel.png"]]  forState:UIControlStateNormal];
    [button setImage:[UIImage imageWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"cancel.png"]] forState:UIControlStateSelected];
    [button setShowsTouchWhenHighlighted:YES];
    [button addTarget:self action:@selector(cancelDownload:) forControlEvents:UIControlEventTouchUpInside];
    
    return button;
}

-(void)downloadScore:(id)button
{
    if ([button isKindOfClass:[ScoreListButton class]]) // sender is right type!
    {
        ScoreListButton *b = button;
        [IMSLPQueryHelper readIMSLPFile:b.score.pdf ofComposition:self.compositionData reportTo:self.master withMethod:@selector(saveScore::)];
        if ([b.superview.superview isKindOfClass:UITableViewCell.class]) 
        {
            UITableViewCell *cell = (UITableViewCell *)b.superview.superview;
            NSIndexPath *ip = [self.tableView indexPathForCell:cell];
            NSLog (@"section: %d, row:%d", [ip section], [ip row]);
            
            // update accessoryview
            cell.accessoryView = [self IMSLPAccessoryViewForIndexPath:ip];
            cell.editingAccessoryView = [self IMSLPAccessoryViewForIndexPath:ip];
            
        }
    }
    else 
    {
        // sender was wrong type. handle exceptions
        return;
    }
}

-(void)showDetailsForScore:(id)button
{
    if ([button isKindOfClass:[ScoreListButton class]]) // sender is right type!
    {
        ScoreListButton *b = button;
        
        [self.master openDetailPopoverFromRect:b.frame inView:b.superview withScore:b.score ofComposer:self.composer andComposition:self.composition];    }
    else 
    {
        // sender was wrong type. handle exceptions
        return;
    }
}

-(void)addToPlaylist:(id)button
{
    // open playlist popover
    if ([button isKindOfClass:[ScoreListButton class]]) // sender is right type!
    {
        ScoreListButton *b = button;
        
        [self.master openPlaylistPopoverFromRect:b.frame inView:b.superview withScore:(LocalScoreData *)b.score];     
    }
    else 
    {
        // sender was wrong type. handle exceptions
        return;
    }
}

-(void)cancelDownload:(id)button
{
    if ([button isKindOfClass:[ScoreListButton class]]) // sender is right type!
    {
        ScoreListButton *b = button;
        
        [IMSLPQueryHelper abortRead:b.score.pdf];
        
        if ([b.superview.superview isKindOfClass:UITableViewCell.class]) 
        {
            UITableViewCell *cell = (UITableViewCell *)b.superview.superview;
            NSIndexPath *ip = [self.tableView indexPathForCell:cell];
            cell.accessoryView = [self IMSLPAccessoryViewForIndexPath:ip];
            cell.editingAccessoryView = [self IMSLPAccessoryViewForIndexPath:ip];
        }
    }
    else 
    {
        // sender was wrong type. handle exceptions
        return;
    }


}

-(void)updateProgressView:(NSTimer *)nt;
{
    UIProgressView *pv = [(NSArray *)[nt userInfo] objectAtIndex:0];
    NSString *pdf = [(NSArray *)[nt userInfo] objectAtIndex:1];
    pv.progress = [IMSLPQueryHelper downloadProgressFor:pdf];
    [pv.superview setNeedsDisplay];
    
    if (pv.progress == 1) [nt invalidate];
}
                                            
@end