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127 lines
4.1 KiB
127 lines
4.1 KiB
/****************************************************************************
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** ui.h extension file, included from the uic-generated form implementation.
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**
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** If you wish to add, delete or rename slots use Qt Designer which will
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** update this file, preserving your code. Create an init() slot in place of
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** a constructor, and a destroy() slot in place of a destructor.
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*****************************************************************************/
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#include <qsqldriver.h>
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#include <qmessagebox.h>
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#include <qsqldatabase.h>
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#include <qlineedit.h>
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#include <qcombobox.h>
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#include <qspinbox.h>
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#include <qsqlerror.h>
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#include <qsqlcursor.h>
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#include <qsqlselectcursor.h>
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#include <qdatatable.h>
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#include "connect.h"
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static void showError( const QSqlError& err, QWidget* parent = 0 )
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{
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QString errStr ( "The database reported an error\n" );
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if ( !err.databaseText().isEmpty() )
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errStr += err.databaseText();
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if ( !err.driverText().isEmpty() )
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errStr += err.driverText();
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QMessageBox::warning( parent, "Error", errStr );
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}
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ConnectDialog* conDiag = 0;
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void SqlEx::init()
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{
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hsplit->setResizeMode( lv, QSplitter::KeepSize );
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vsplit->setResizeMode( gb, QSplitter::KeepSize );
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submitBtn->setEnabled( FALSE );
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conDiag = new ConnectDialog( this, "Connection Dialog", TRUE );
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}
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void SqlEx::dbConnect()
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{
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if ( conDiag->exec() != QDialog::Accepted )
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return;
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if ( dt->sqlCursor() ) {
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dt->setSqlCursor( 0 );
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}
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// close old connection (if any)
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if ( QSqlDatabase::contains( "SqlEx" ) ) {
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QSqlDatabase* oldDb = QSqlDatabase::database( "SqlEx" );
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oldDb->close();
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QSqlDatabase::removeDatabase( "SqlEx" );
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}
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// open the new connection
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QSqlDatabase* db = QSqlDatabase::addDatabase( conDiag->comboDriver->currentText(), "SqlEx" );
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if ( !db ) {
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QMessageBox::warning( this, "Error", "Could not open database" );
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return;
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}
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db->setHostName( conDiag->editHostname->text() );
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db->setDatabaseName( conDiag->editDatabase->text() );
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db->setPort( conDiag->portSpinBox->value() );
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if ( !db->open( conDiag->editUsername->text(), conDiag->editPassword->text() ) ) {
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showError( db->lastError(), this );
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return;
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}
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lbl->setText( "Double-Click on a table-name to view the contents" );
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lv->clear();
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QStringList tables = db->tables();
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for ( QStringList::Iterator it = tables.begin(); it != tables.end(); ++it ) {
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QListViewItem* lvi = new QListViewItem( lv, *it );
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QSqlRecordInfo ri = db->recordInfo ( *it );
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for ( QSqlRecordInfo::Iterator it = ri.begin(); it != ri.end(); ++it ) {
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QString req;
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if ( (*it).isRequired() > 0 ) {
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req = "Yes";
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} else if ( (*it).isRequired() == 0 ) {
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req = "No";
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} else {
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req = "?";
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}
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QListViewItem* fi = new QListViewItem( lvi, (*it).name(), + QVariant::typeToName( (*it).type() ), req );
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lvi->insertItem( fi );
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}
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lv->insertItem( lvi );
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}
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submitBtn->setEnabled( TRUE );
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}
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void SqlEx::execQuery()
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{
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// use a custom cursor to populate the data table
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QSqlSelectCursor* cursor = new QSqlSelectCursor( te->text(), QSqlDatabase::database( "SqlEx", TRUE ) );
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if ( cursor->isSelect() ) {
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dt->setSqlCursor( cursor, TRUE, TRUE );
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dt->setSort( QStringList() );
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dt->refresh( QDataTable::RefreshAll );
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QString txt( "Query OK" );
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if ( cursor->size() >= 0 )
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txt += ", returned rows: " + QString::number( cursor->size() );
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lbl->setText( txt );
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} else {
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// an error occured if the cursor is not active
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if ( !cursor->isActive() ) {
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showError( cursor->lastError(), this );
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} else {
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lbl->setText( QString("Query OK, affected rows: %1").arg( cursor->numRowsAffected() ) );
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}
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}
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}
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void SqlEx::showTable( QListViewItem * item )
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{
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// get the table name
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QListViewItem* i = item->parent();
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if ( !i ) {
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i = item;
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}
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// populate the data table
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QSqlCursor* cursor = new QSqlCursor( i->text( 0 ), TRUE, QSqlDatabase::database( "SqlEx", TRUE ) );
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dt->setSqlCursor( cursor, TRUE, TRUE );
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dt->setSort( cursor->primaryIndex() );
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dt->refresh( QDataTable::RefreshAll );
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lbl->setText( "Displaying table " + i->text( 0 ) );
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}
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