worm/examples/worm_wt_example.cpp

/*
 g++ -g worm_wt_example.cpp -o wormex -rdynamic -lworm -lmysqlclient -lsqlite3 -lctemplate_nothreads -lwt -lwtext -lwthttp -lwtdbo -lwtdbosqlite3 -lwtdbopostgres -lboost_date_time-mt -lboost_regex-mt -lboost_program_options-mt -lboost_signals-mt -lboost_system-mt -lboost_filesystem-mt -lboost_thread-mt
 */


#include <Wt/WApplication>
#include <Wt/WServer>
#include <Wt/WTable>
#include <Wt/WString>
#include <Wt/WEnvironment>
#include <Wt/WBoxLayout>
#include <Wt/WText>
#include <Wt/WContainerWidget>

#include "../src/sql/wsqldatabase.h"

using Wt::WApplication;
using Wt::WEnvironment;
using Wt::WString;
using Wt::WBoxLayout;
using Wt::WText;
using std::string;

Wt::WTable *getdbtables()
{
	Wt::WTable *table = new Wt::WTable();
	table->setMargin ( "0.5em" );
	Wt::WCssDecorationStyle *border = new Wt::WCssDecorationStyle();
	border->setBorder ( Wt::WBorder ( Wt::WBorder::Dotted ) );
	table->setDecorationStyle ( *border );
	//  border->setBorder(Wt::WBorder(Wt::WBorder::Dashed ));


	WSql::WSqlDatabase db ( WSql::WSQLITE );
	db.setDatabaseName ( string ( "blog.db" ) );

	if ( !db.open() )
	{
		std::cerr << "nope .." << db.error().text() << std::endl;
		return table;
	}

	std::vector<string>tables = db.tableNames();
	std::vector<string>::iterator it = tables.begin();
	WSql::WSqlTable stbl;
	int numflds = 0;
	int row = 0;

	while ( it != tables.end() )
	{
		stbl = db.tableMetaData ( *it++ );
		numflds = stbl.count();
		Wt::WTableCell *cell = table->elementAt ( row++, 0 );
		cell->addWidget ( new Wt::WText ( WString ( "Table Name: {1}" ).arg ( stbl.name() ) ) );
		cell->setColumnSpan ( 5 );
		cell->setPadding ( "0.5em" );
		cell->setContentAlignment ( Wt::AlignCenter );
		int i = 0;

		for ( ; i < numflds; ++i )
		{
			WSql::WSqlColumn clm = stbl.column ( i );

			table->elementAt ( row + i, 0 )->addWidget ( new Wt::WText ( "Field: " ) );
			table->elementAt ( row + i, 0 )->setPadding ( "0.5em" );
			table->elementAt ( row + i, 0 )->setDecorationStyle ( *border );
			table->elementAt ( row + i, 1 )->addWidget ( new Wt::WText ( clm.columnName() ) );
			table->elementAt ( row + i, 1 )->setPadding ( "0.5em" );
			table->elementAt ( row + i, 1 )->setDecorationStyle ( *border );
			table->elementAt ( row + i, 2 )->addWidget ( new Wt::WText ( WSql::WSqlDataType::toString ( clm.type() ) ) );
			table->elementAt ( row + i, 2 )->setPadding ( "0.5em" );
			table->elementAt ( row + i, 2 )->setDecorationStyle ( *border );
			table->elementAt ( row + i, 3 )->addWidget ( new Wt::WText ( clm.defaultValue<string > () ) );
			table->elementAt ( row + i, 3 )->setPadding ( "0.5em" );
			table->elementAt ( row + i, 3 )->setDecorationStyle ( *border );
			table->elementAt ( row + i, 4 )->addWidget ( new Wt::WText ( clm.isPrimaryKey() ? "Primary Key" : "Not primary" ) );
			table->elementAt ( row + i, 4 )->setPadding ( "0.5em" );
			table->elementAt ( row + i, 4 )->setDecorationStyle ( *border );
			table->elementAt ( row + i, 5 )->addWidget ( new Wt::WText ( clm.canBeNull() ? "Nullable" : "Not nullable" ) );
			table->elementAt ( row + i, 5 )->setPadding ( "0.5em" );
			table->elementAt ( row + i, 5 )->setDecorationStyle ( *border );
		}

		row += i;
	}

	db.close();
	return table;
}

class wormApp : public Wt::WApplication
{
	public:
		wormApp ( const Wt::WEnvironment &env );
};

wormApp::wormApp ( const Wt::WEnvironment &env ) : Wt::WApplication ( env )
{
	setTitle ( "worm" );
	Wt::WTable *tbl = getdbtables();
	root()->addWidget ( new WText ( "Tables" ) );
	root()->addWidget ( tbl );
}

WApplication *createwormApp ( const WEnvironment &env )
{
	WApplication *app = new wormApp ( env );
	return app;
}

int main ( int argc, char **argv )
{
	Wt::WServer server ( argv[0] );
	server.setServerConfiguration ( argc, argv, WTHTTP_CONFIGURATION );
	server.addEntryPoint ( Wt::Application, createwormApp );

	if ( server.start() )
	{
		int sig = Wt::WServer::waitForShutdown ( argv[0] );
		std::cerr << "Shutdown (signal = " << sig << ")" << std::endl;
		server.stop();
	}
}