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

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#import "IMSLPDelegateDataSource.h"
#import "CatNiPViewController.h"
#import "IMSLPQueryHelper.h"
#import "ScoreData.h"
#import "CompositionData.h"

@implementation IMSLPDelegateDataSource

@synthesize master;
@synthesize composers;
@synthesize compositions;

-(id)initWithMaster:(CatNiPViewController *)m 
{
    if ((self = [super init])) 
    {
        self.master = m;
        self.composers = [[NSMutableArray alloc] init];
        self.compositions = [[NSMutableArray alloc] init];
    }
    return self;
}

#pragma mark - UITableViewDataSource protocol
/*********** 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 
{
    if (tableView == self.master.libraryTableViewLeft) return [self.composers count];
    if (tableView == self.master.libraryTableViewRight)  return [self.compositions count];
    return 0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
{    
    if (tableView == self.master.libraryTableViewLeft)  return [self cellForRowAtLeftTable: indexPath];    
    if (tableView == self.master.libraryTableViewRight) return [self cellForRowAtRightTable: indexPath];        
    else return nil;
}

- (UITableViewCell *)cellForRowAtLeftTable:(NSIndexPath *)indexPath 
{
    UITableViewCell *cell = [self.master tableView:self.master.libraryTableViewLeft createCellWithIdentifier:@"IMSLPTableLCell"];
    cell.textLabel.text = [self.composers objectAtIndex:[indexPath row]];
    cell.accessoryView = nil;
    return cell;
}

- (UITableViewCell *)cellForRowAtRightTable: (NSIndexPath *) indexPath  
{
    UITableViewCell *cell = [self.master tableView:self.master.libraryTableViewLeft createCellWithIdentifier:@"IMSLPTableRCell"];    
    cell.textLabel.text = [self.compositions objectAtIndex:[indexPath row]];
    cell.accessoryView = nil;
    return cell;
}

- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath 
{
    return;
}

- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath 
{
    return NO;
}

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath 
{
    return NO;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath 
{
    return;
}

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


- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath 
{
    NSString *t = @"";
    if (tableView == self.master.libraryTableViewLeft) t = [self.composers objectAtIndex:[indexPath row]];  
    if (tableView ==self. master.libraryTableViewRight) t = [self.compositions objectAtIndex:[indexPath row]];  
    NSInteger height = (([t length] / 34) * 17) + 50; // refactor maybeh?
    return height;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath 
{
    if (tableView == self.master.libraryTableViewLeft) [self didSelectRowAtLeftTable:indexPath];
    if (tableView == self.master.libraryTableViewRight)[self didSelectRowAtRightTable:indexPath];
}

- (void)didSelectRowAtLeftTable:(NSIndexPath *)indexPath 
{
    [master showViewWithAnimation:master.libraryViewRight];
    
    NSString *cat = [@"Category:" stringByAppendingString:[self.composers objectAtIndex:indexPath.row]];
        [IMSLPQueryHelper readIMSLPCategory:cat reportTo:self.master withMethod:@selector(imslpCompositionsReport:)];
        [self.master.libraryTableViewRight setEditing:NO animated:YES];
    [self.master.libraryTableViewRight reloadData];    
}

- (void)didSelectRowAtRightTable:(NSIndexPath *)indexPath 
{
    NSString *selectedComposer = [self.composers objectAtIndex:[[self.master.libraryTableViewLeft indexPathForSelectedRow] row]];
    NSString *selectedComposition = [self.compositions objectAtIndex:[[self.master.libraryTableViewRight indexPathForSelectedRow] row]];
    
    if (selectedComposition != nil) 
    {
        // download information about all scores for this composition 
        [IMSLPQueryHelper readIMSLPPage:selectedComposition composerName:selectedComposer reportTo:self.master withMethod:@selector(imslpPageReport:)];
    }    
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section 
{
    return 350;
}

- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section 
{
    UIView *footer = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 200, 350)] autorelease];
    footer.alpha = 0.0; // This is mandatory. Otherwise cell rows "behind" footer view won't be selectable.
    return footer;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section 
{
    return 40;
}


- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{ 
    UILabel *header = [[[UILabel alloc] init] autorelease];  
    if (tableView == self.master.libraryTableViewLeft) 
        header.text = @"IMSLP COMPOSERS";
    if (tableView == self.master.libraryTableViewRight) 
    {
        NSInteger i = [[self.master.libraryTableViewLeft indexPathForSelectedRow] row];
        if (i >= [self.composers count]) header.text = @"";
        else header.text = [self.composers objectAtIndex:[[self.master.libraryTableViewLeft indexPathForSelectedRow] row]];
    }
    header.frame = CGRectMake(0, 0, 200, 40);
    return header;
}

-(void)changeLibraryTypeToIMSLP 
{
    self.master.libraryTableViewLeft.delegate = self;
    self.master.libraryTableViewLeft.dataSource = self;
    self.master.libraryTableViewRight.delegate = self;
    self.master.libraryTableViewRight.dataSource = self;
    
    [self.master.libraryTableViewLeft setEditing:NO animated:YES];
    [self.master.libraryTableViewRight setEditing:NO animated:YES];
    
    if ([self.composers count] == 0) // IMSLP downloading is not finished yet
    {
        // clear table contents
        [self.master.libraryTableViewLeft reloadData];
        // and tell user something is happening on the background and wait for imslpComposerReport to reload table.
        [self.master.libraryActivityIndicatorLeft startAnimating];  
    }
    else 
    {       
        [self.master.libraryActivityIndicatorLeft stopAnimating]; // double check that indicator is not showing
        //[self.master.libraryDataTableLeft addObjectsFromArray:self.composers];
        [self.master.libraryTableViewLeft reloadData];
        [self.master.libraryTableViewRight reloadData];
    }
}

@end