qt4application.cpp

it is a gui progam made in c++

	
	// Nick Cave Albums
    QTreeWidgetItem *partItem = new QTreeWidgetItem( nickCaveItem, QStringList( "No More Shall We Part" ) );
	QTreeWidgetItem *pricksItem = new QTreeWidgetItem( nickCaveItem, QStringList( "Kicking Against The Pricks" ) );
	
	// no more shall we part songs
	QStringList part1List( "As I Sat Sadly By Her Side" );
	part1List += "***";
	QStringList part2List( "And No More Shall We Part" );
	part2List += "****";
	QStringList part3List( "Halleujah" );
	part3List += "*";
	QStringList part4List( "Love Letter" );
	part4List += "***";
	QStringList part5List( "Fifteen Feet Of Pure White Snow" );
	part5List += "***";
	QStringList part6List( "God Is In The House" );
	part6List += "*";
	QStringList part7List( "Oh My Lord" );
	part7List += "*";
	QStringList part8List( "Sweetheart Come" );
	part8List += "****";
	QStringList part9List( "The Sorrowful Wife" );
	part9List += "***";
	QStringList part10List( "We Came Along This Road" );
	part10List += "**";
	QStringList part11List( "Gates To The Garden" );
	part11List += "***";
	QStringList part12List( "Darker In The Day" );
	part12List += "***";
	partItem->insertChild( 0, new QTreeWidgetItem( part1List ) );
	partItem->insertChild( 1, new QTreeWidgetItem( part2List ) );
	partItem->insertChild( 2, new QTreeWidgetItem( part3List ) );
	partItem->insertChild( 3, new QTreeWidgetItem( part4List ) );
	partItem->insertChild( 4, new QTreeWidgetItem( part5List ) );
	partItem->insertChild( 5, new QTreeWidgetItem( part6List ) );
	partItem->insertChild( 6, new QTreeWidgetItem( part7List ) );
	partItem->insertChild( 7, new QTreeWidgetItem( part8List ) );
	partItem->insertChild( 8, new QTreeWidgetItem( part9List ) );
	partItem->insertChild( 9, new QTreeWidgetItem( part10List ) );
	partItem->insertChild( 10, new QTreeWidgetItem( part11List ) );
	partItem->insertChild( 11, new QTreeWidgetItem( part12List ) );
	
	// Kicking against the pricks songs
	QStringList prick1List( "Muddy Water" );
	prick1List += "****";
	QStringList prick2List( "I'm Gonna Kill That Woman" );
	prick2List += "***";
	QStringList prick3List( "Sleeping Anna Leah" );
	prick3List += "***";
	QStringList prick4List( "Long Black Veil" );
	prick4List += "***";
	QStringList prick5List( "Hey Joe" );
	prick5List += "****";
	QStringList prick6List( "The Singer" );
	prick6List += "****";
	QStringList prick7List( "Black Betty" );
	prick7List += "****";
	QStringList prick8List( "Running Scared" );
	prick8List += "***";
	QStringList prick9List( "All Tomorrows Parties" );
	prick9List += "****";
	QStringList prick10List( "By The Time I Get To Pheonix" );
	prick10List += "***";
	QStringList prick11List( "The Hammer Song" );
	prick11List += "***";
	QStringList prick12List( "Somethings Gotten Hold Of My Heart" );
	prick12List += "***";
	QStringList prick13List( "Jesus Met The Woman At The Well" );
	prick13List += "*";
	QStringList prick14List( "The Carnival Is Over" );
	prick14List += "**";
	pricksItem->insertChild( 0, new QTreeWidgetItem( prick1List ) );
	pricksItem->insertChild( 1, new QTreeWidgetItem( prick2List ) );
	pricksItem->insertChild( 2, new QTreeWidgetItem( prick3List ) );
	pricksItem->insertChild( 3, new QTreeWidgetItem( prick4List ) );
	pricksItem->insertChild( 4, new QTreeWidgetItem( prick5List ) );
	pricksItem->insertChild( 5, new QTreeWidgetItem( prick6List ) );
	pricksItem->insertChild( 6, new QTreeWidgetItem( prick7List ) );
	pricksItem->insertChild( 7, new QTreeWidgetItem( prick8List ) );
	pricksItem->insertChild( 8, new QTreeWidgetItem( prick9List ) );
	pricksItem->insertChild( 9, new QTreeWidgetItem( prick10List ) );
	pricksItem->insertChild( 10, new QTreeWidgetItem( prick11List ) );
	pricksItem->insertChild( 11, new QTreeWidgetItem( prick12List ) );
	pricksItem->insertChild( 12, new QTreeWidgetItem( prick13List ) );
	pricksItem->insertChild( 13, new QTreeWidgetItem( prick14List ) );
	 
	// stiff little fingers album
	QTreeWidgetItem *storyItem = new QTreeWidgetItem( stiffLittleFingersItem, QStringList( "The Story So Far" ) );
	
	// the story so far songs
	QStringList slf1List( "Guitar And Drum" );
	slf1List += "****";
	QStringList slf2List( "Best Of Fools" );
	slf2List += "**";
	QStringList slf3List( "StrummerVille" );
	slf3List += "**";
	QStringList slf4List( "Johnny Was" );
	slf4List += "*****";
	QStringList slf5List( "Suspect Device" );
	slf5List += "*****";
	QStringList slf6List( "Barbed Wire Love" );
	slf6List += "*****";
	QStringList slf7List( "Breakout" );
	slf7List += "***";
	QStringList slf8List( "Wasted Life" );
	slf8List += "*****";
	QStringList slf9List( "State Of Emergency" );
	slf9List += "***";
	QStringList slf10List( "Alternative Ulster" );
	slf10List += "*****";
	QStringList slf11List( "Fly The Flag" );
	slf11List += "****";
	QStringList slf12List( "Tin Soldiers" );
	slf12List += "*****";
	QStringList slf13List( "I Don't Like You" );
	slf13List += "*****";
	QStringList slf14List( "At The Edge" );
	slf14List += "*****";
	QStringList slf15List( "Wait And See" );
	slf15List += "*****";
	QStringList slf16List( "Nodody's Heroe" );
	slf16List += "*****";
	QStringList slf17List( "Hits And Misses" );
	slf17List += "***";
	QStringList slf18List( "Back To Front" );
	slf18List += "***";
	QStringList slf19List( "Roots Radicals Rockers And Reggae" );
	slf19List += "***";
	QStringList slf20List( "Silver Lining" );
	slf20List += "****";
	QStringList slf21List( "Picadilly Circus" );
	slf21List += "***";
	QStringList slf22List( "Just Fade Away" );
	slf22List += "***";
	QStringList slf23List( "Gate 49" );
	slf23List += "***";
	QStringList slf24List( "Talkback" );
	slf24List += "****";
	QStringList slf25List( "Stands To Reason" );
	slf25List += "*****";
	QStringList slf26List( "Listen" );
	slf26List += "***";
	QStringList slf27List( "Is That What You Fought The War For" );
	slf27List += "***";
	QStringList slf28List( "Bits Of Kids" );
	slf28List += "*****";
	QStringList slf29List( "Love Of The Common People" );
	slf29List += "*****";
	QStringList slf30List( "( I Could Be ) Happy Yesterday" );
	slf30List += "****";
	QStringList slf31List( "Dead Of Night" );
	slf31List += "***";
	QStringList slf32List( "No Barriers" );
	slf32List += "***";
	QStringList slf33List( "Drinking Again" );
	slf33List += "*****";
	QStringList slf34List( "My Ever Changing Moral Stance" );
	slf34List += "****";
	QStringList slf35List( "Honeyed Words" );
	slf35List += "****";
	QStringList slf36List( "Can't Get Away With That" );
	slf36List += "***";
	QStringList slf37List( "Achilles Heart" );
	slf37List += "***";
	QStringList slf38List( "Walkn Dynamite" );
	slf38List += "***";
	storyItem->insertChild( 0, new QTreeWidgetItem( slf1List ) );
	storyItem->insertChild( 1, new QTreeWidgetItem( slf2List ) );
	storyItem->insertChild( 2, new QTreeWidgetItem( slf3List ) );
	storyItem->insertChild( 3, new QTreeWidgetItem( slf4List ) );
	storyItem->insertChild( 4, new QTreeWidgetItem( slf5List ) );
	storyItem->insertChild( 5, new QTreeWidgetItem( slf6List ) );
	storyItem->insertChild( 6, new QTreeWidgetItem( slf7List ) );
	storyItem->insertChild( 7, new QTreeWidgetItem( slf8List ) );
	storyItem->insertChild( 8, new QTreeWidgetItem( slf9List ) );
	storyItem->insertChild( 9, new QTreeWidgetItem( slf10List ) );
	storyItem->insertChild( 10, new QTreeWidgetItem( slf11List ) );
	storyItem->insertChild( 11, new QTreeWidgetItem( slf12List ) );
	storyItem->insertChild( 12, new QTreeWidgetItem( slf13List ) );
	storyItem->insertChild( 13, new QTreeWidgetItem( slf14List ) );
	storyItem->insertChild( 14, new QTreeWidgetItem( slf15List ) );
	storyItem->insertChild( 15, new QTreeWidgetItem( slf16List ) );
	storyItem->insertChild( 16, new QTreeWidgetItem( slf17List ) );
	storyItem->insertChild( 17, new QTreeWidgetItem( slf18List ) );
	storyItem->insertChild( 18, new QTreeWidgetItem( slf19List ) );
	storyItem->insertChild( 19, new QTreeWidgetItem( slf20List ) );
	storyItem->insertChild( 20, new QTreeWidgetItem( slf21List ) );
	storyItem->insertChild( 21, new QTreeWidgetItem( slf22List ) );
	storyItem->insertChild( 22, new QTreeWidgetItem( slf23List ) );
	storyItem->insertChild( 23, new QTreeWidgetItem( slf24List ) );
	storyItem->insertChild( 24, new QTreeWidgetItem( slf25List ) );
	storyItem->insertChild( 25, new QTreeWidgetItem( slf26List ) );
	storyItem->insertChild( 26, new QTreeWidgetItem( slf27List ) );
	storyItem->insertChild( 27, new QTreeWidgetItem( slf28List ) );
	storyItem->insertChild( 28, new QTreeWidgetItem( slf29List ) );
	storyItem->insertChild( 29, new QTreeWidgetItem( slf30List ) );
	storyItem->insertChild( 30, new QTreeWidgetItem( slf31List ) );
	storyItem->insertChild( 31, new QTreeWidgetItem( slf32List ) );
	storyItem->insertChild( 32, new QTreeWidgetItem( slf33List ) );
	storyItem->insertChild( 33, new QTreeWidgetItem( slf34List ) );
	storyItem->insertChild( 34, new QTreeWidgetItem( slf35List ) );
	storyItem->insertChild( 35, new QTreeWidgetItem( slf36List ) );
	storyItem->insertChild( 36, new QTreeWidgetItem( slf37List ) );
	storyItem->insertChild( 37, new QTreeWidgetItem( slf38List ) );
	
	treeWidget->resizeColumnToContents( 0 );
	treeWidget->resizeColumnToContents( 1 );
	treeWidget->setHeaderHidden( false );
	
	connect( headerButton, SIGNAL( clicked() ), this, SLOT( headerButtonClicked() ) );
	connect( editButton, SIGNAL( clicked() ), this, SLOT( editButtonClicked() ) );
	connect( treeWidget, SIGNAL( currentItemChanged( QTreeWidgetItem *, QTreeWidgetItem * ) ), this, SLOT( currentItemChanged( QTreeWidgetItem *, QTreeWidgetItem * ) ) ); 
	connect( editRatingButton, SIGNAL( clicked() ), this, SLOT( editRatingButtonClicked() ) );
	connect( checkBoxesButton, SIGNAL( clicked() ), this, SLOT( checkBoxesButtonClicked() ) );
	connect( sortAscendingButton, SIGNAL( clicked() ), this, SLOT( sortAscendingButtonClicked() ) );
	connect( sortDescendingButton, SIGNAL( clicked() ), this, SLOT( sortDescendingButtonClicked() ) );
	
	bEditing = false;
	nEditingColumn = 0;
}

Qt4Application::~Qt4Application()
{

}

void Qt4Application::headerButtonClicked()
{
	if( treeWidget->isHeaderHidden() == true )
	{
		treeWidget->setHeaderHidden( false );
		headerButton->setText( "Hide Header" );
		statusBar()->showMessage( "Column Header Hidden" );
	}
	else
	{
		treeWidget->setHeaderHidden( true );
		headerButton->setText( "Show Header" );
		statusBar()->showMessage( "Column Header Shown" );
	}
}

void Qt4Application::editButtonClicked()
{
	editItem = treeWidget->currentItem();
	if( editItem == 0l )
	{
		QMessageBox::information( this, "Edit Error", "You Need To Select An Item In Order To Edit It" );
		return;
	} 
	
	treeWidget->openPersistentEditor( editItem );
	bEditing = true;
	nEditingColumn = 0;
	
	statusBar()->showMessage( "Editing " + editItem->text( 0 ) );
}

void Qt4Application::editRatingButtonClicked()
{
	editItem = treeWidget->currentItem();
	if( editItem == 0l )
	{
		QMessageBox::information( this, "Edit Error", "You Need To Select An Item In Order To Edit It" );
		return;
	}
	
	treeWidget->openPersistentEditor( editItem, 1 );
	bEditing = true;
	nEditingColumn = 1;
	
	statusBar()->showMessage( "Editing The Rating For " + editItem->text( 0 ) );
}

void Qt4Application::currentItemChanged( QTreeWidgetItem *currentItem, QTreeWidgetItem *previousItem )
{
	//statusBar()->showMessage( "Current Item Changed From " + currentItem->text( 0 ) + " To " + previousItem->text( 0 ) );
	
	if( bEditing == true )
	{
		treeWidget->closePersistentEditor( editItem, nEditingColumn );
		bEditing = false;
		nEditingColumn = 0;
	}
}

void Qt4Application::checkBoxesButtonClicked()
{
	int nArtistItems = treeWidget->topLevelItemCount();
	
	// Seeing as we are doing a music player mock up we will only set the 
	// check boxes on the songs.
	
	
	for( int i=0; i<nArtistItems; i++ )
	{
		QTreeWidgetItem *artistWidget = treeWidget->topLevelItem( i );
	//	artistWidget->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable );
	//	artistWidget->setCheckState( 0, Qt::Unchecked );
		
		int nAlbumsCount = artistWidget->childCount();
			
		for( int n=0; n<nAlbumsCount; n++ )
		{
			
			QTreeWidgetItem *albumsWidget = artistWidget->child( n );
	//		albumsWidget->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable );
	//		albumsWidget->setCheckState( 0, Qt::Unchecked );
			
			int nSongsCount = albumsWidget->childCount();
			
			for( int j=0; j<nSongsCount; j++ )
			{
				QTreeWidgetItem *songWidget = albumsWidget->child( j );
				songWidget->setFlags( Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsUserCheckable );
				songWidget->setCheckState( 0, Qt::Checked );
			}
		}
	}
	
	checkBoxesButton->setEnabled( false );
						
}

void Qt4Application::sortAscendingButtonClicked()
{
	treeWidget->sortByColumn( 0, Qt::AscendingOrder );
}

void Qt4Application::sortDescendingButtonClicked()
{
	treeWidget->sortByColumn( 0, Qt::DescendingOrder );
}