#include <qpushbutton.h>

#include <qapplication.h>

#include <qvgroupbox.h>

#include <qlayout.h>

#include <qlineedit.h>

#include <qlabel.h>

#include <qregexp.h>

#include "dbconfigureform.h"

#include "inputfield.h"

#include "inputcombo.h"

#include <qvalidator.h>

#include <qsqldatabase.h>

#include <qcombobox.h>

DBConfigureForm :: DBConfigureForm( Tdb_config *mydb_config,

		QWidget *parent, const char *name )

		: QDialog( parent, name, TRUE)

{

	QVBoxLayout *mainlayout = new QVBoxLayout( this ,10 );

	// We store the pointer to the data we should set

	db_config = mydb_config;

	// Data InputFields

	QVGroupBox *fields = new QVGroupBox( "Data", this );

	host = new InputField( tr("Host:"), db_config->host, fields);

	database = new InputField( tr("Database:"), db_config->database,

			fields);

	username = new InputField( tr("Username:"),

			db_config->username, fields);

	password = new InputField( tr("Password:"), db_config->password,

			fields);

	driver = new InputCombo( tr("Driver:"), QSqlDatabase::drivers(),

			fields);

	// Password echo mode for password input field.

	password->qLineEdit()->setEchoMode(QLineEdit::Password);

	// Set the default setting in driver combo

	driver->qComboBox()->setCurrentText(db_config->driver);

	mainlayout->addWidget( fields );

	// Apply button

	apply_button = new QPushButton( tr("Apply"), this,

			"ApplyButton");

	// Accept button

	QPushButton *accept_button = new QPushButton( tr("Accept"), this,

			"AcceptButton");

	// Cancel button

	QPushButton *cancel_button = new QPushButton( tr("Cancel"),

			this, "CancelButton");

	// Main form buttons

	QHBoxLayout *buttons = new QHBoxLayout( mainlayout, 10 );

	buttons->addWidget(apply_button);

	buttons->addWidget(accept_button);

	buttons->addWidget(cancel_button);

	accept_button->setDefault(TRUE);

	setCaption( tr("DB Configure Form") );

	// Connects: buttons

	connect( apply_button, SIGNAL(clicked()), this,

			SLOT(updateVariables()) );

	connect( accept_button, SIGNAL(clicked()), this,

			SLOT(acceptChanges()) );

	connect( cancel_button, SIGNAL(clicked()), this, SLOT(reject()) );

	// Connects: textboxes

	connect( host->qLineEdit(), SIGNAL(textChanged(const QString&)), this,

			SLOT(setFormChanged()) );

	connect( database->qLineEdit(), SIGNAL(textChanged(const QString&)),

			this, SLOT(setFormChanged()) );

	connect( username->qLineEdit(), SIGNAL(textChanged(const QString&)),

			this, SLOT(setFormChanged()) );

	connect( password->qLineEdit(), SIGNAL(textChanged(const QString&)),

			this, SLOT(setFormChanged()) );

	connect( driver->qComboBox(), SIGNAL(activated(int)),

			this, SLOT(setFormChanged()) );

	// Initial state of the form

	setFormNoChanged();

	// Validators for InputFields

	host->qLineEdit()->setValidator(

			new QRegExpValidator( QRegExp( "[0-9a-z_\\-\\.]*" ),

			host->qLineEdit() ));

	username->qLineEdit()->setValidator(

			new QRegExpValidator( QRegExp( "[0-9a-zA-Z_\\-\\.]+" ),

			host->qLineEdit() ));

	password->qLineEdit()->setValidator(

			new QRegExpValidator( QRegExp( "[0-9a-zA-Z_\\-\\.]*" ),

			host->qLineEdit() ));

	database->qLineEdit()->setValidator(

			new QRegExpValidator( QRegExp( "[0-9a-zA-Z_\\-\\.]+" ),

			host->qLineEdit() ));

}

int DBConfigureForm :: updateVariables( )

{

	/*

	// ** Check if data is correct. Don't let it end if sth's wrong.

	if (host->text().find( QRegExp( "[^a-z_\\-\\.]" ) ) != -1 )

	{

		// *** A Message Box should be shown

		qWarning("Host isn't good.");

		return 1; // ERROR

	}

	*/

	// Save data

	db_config->host = host->text();

	db_config->username = username->text();

	db_config->database = database->text();

	db_config->password = password->text();

	db_config->driver = driver->text();

	setFormNoChanged();

	return 0;	// OK

}

void DBConfigureForm :: acceptChanges( )

{

	if (!updateVariables())

		accept();

}

void DBConfigureForm :: setFormChanged()

{

	apply_button->setEnabled(true);

}

void DBConfigureForm :: setFormNoChanged()

{

	apply_button->setEnabled(false);

}