tableeditorimpl.cpp

Trolltech公司发布的基于C++图形开发环境

#endif
    {
	editColumnText->setFocus();
	editColumnText->selectAll();
    }
#endif
}

void TableEditor::newRowClicked()
{
#ifndef QT_NO_TABLE
    table->setNumRows( table->numRows() + 1 );
    QMap<QString, bool> m;
    for ( int i = 0; i < table->numRows() - 1; ++i )
	m.insert( table->verticalHeader()->label( i ), TRUE );
    int n = table->numRows() - 1;
    QString t = QString::number( n );
    while ( m.find( t ) != m.end() )
	t = QString::number( ++n );
    table->verticalHeader()->setLabel( table->numRows() - 1, t );
    listRows->insertItem( t );
    QListBoxItem *item = listRows->item( listRows->count() - 1 );
    listRows->setCurrentItem( item );
    listRows->setSelected( item, TRUE );
#endif
}

void TableEditor::okClicked()
{
    applyClicked();
    accept();
}

void TableEditor::rowDownClicked()
{
    if ( listRows->currentItem() == -1 ||
	 listRows->currentItem() == (int)listRows->count() - 1 ||
	 listRows->count() < 2 )
	return;
    int index = listRows->currentItem() + 1;
    QListBoxItem *i = listRows->item( listRows->currentItem() );
    listRows->takeItem( i );
    listRows->insertItem( i, index );
    listRows->setCurrentItem( i );
    readRows();
}

void TableEditor::rowTextChanged( const QString &s )
{
    if ( listRows->currentItem() == -1 )
	return;
#ifndef QT_NO_TABLE
    listRows->changeItem( s, listRows->currentItem() );
    if ( table->verticalHeader()->iconSet( listRows->currentItem() ) )
	table->verticalHeader()->setLabel( listRows->currentItem(),
					     *table->verticalHeader()->iconSet( listRows->currentItem() ), s );
    else
	table->verticalHeader()->setLabel( listRows->currentItem(), s );
#endif
}

void TableEditor::rowUpClicked()
{
    if ( listRows->currentItem() <= 0 ||
	 listRows->count() < 2 )
	return;
    int index = listRows->currentItem() - 1;
    QListBoxItem *i = listRows->item( listRows->currentItem() );
    listRows->takeItem( i );
    listRows->insertItem( i, index );
    listRows->setCurrentItem( i );
    readRows();
}

void TableEditor::applyClicked()
{
    QValueList<PopulateTableCommand::Row> rows;
    QValueList<PopulateTableCommand::Column> cols;

    int i = 0;
#ifndef QT_NO_TABLE
    for ( i = 0; i < table->horizontalHeader()->count(); ++i ) {
	PopulateTableCommand::Column col;
	col.text = table->horizontalHeader()->label( i );
	if ( table->horizontalHeader()->iconSet( i ) )
	    col.pix = table->horizontalHeader()->iconSet( i )->pixmap();
	col.field = *fieldMap.find( i );
	cols.append( col );
    }
    for ( i = 0; i < table->verticalHeader()->count(); ++i ) {
	PopulateTableCommand::Row row;
	row.text = table->verticalHeader()->label( i );
	if ( table->verticalHeader()->iconSet( i ) )
	    row.pix = table->verticalHeader()->iconSet( i )->pixmap();
	rows.append( row );
    }
    PopulateTableCommand *cmd = new PopulateTableCommand( tr( "Edit the Rows and Columns of '%1' " ).arg( editTable->name() ),
							  formWindow, editTable, rows, cols );
    cmd->execute();
    formWindow->commandHistory()->addCommand( cmd );
#endif
}

void TableEditor::chooseRowPixmapClicked()
{
    if ( listRows->currentItem() == -1 )
	return;
    QPixmap pix;
    if ( listRows->item( listRows->currentItem() )->pixmap() )
	pix = qChoosePixmap( this, formWindow, *listRows->item( listRows->currentItem() )->pixmap() );
    else
	pix = qChoosePixmap( this, formWindow, QPixmap() );

    if ( pix.isNull() )
	return;

#ifndef QT_NO_TABLE
    table->verticalHeader()->setLabel( listRows->currentItem(), pix, table->verticalHeader()->label( listRows->currentItem() ) );
    listRows->changeItem( pix, listRows->currentText(), listRows->currentItem() );
#endif
}

void TableEditor::deleteRowPixmapClicked()
{
    if ( listRows->currentItem() == -1 )
	return;
#ifndef QT_NO_TABLE
    table->verticalHeader()->setLabel( listRows->currentItem(), QPixmap(), table->verticalHeader()->label( listRows->currentItem() ) );
    listRows->changeItem( listRows->currentText(), listRows->currentItem() );
#endif
}

void TableEditor::chooseColPixmapClicked()
{
    if ( listColumns->currentItem() == -1 )
	return;
    QPixmap pix;
    if ( listColumns->item( listColumns->currentItem() )->pixmap() )
	pix = qChoosePixmap( this, formWindow, *listColumns->item( listColumns->currentItem() )->pixmap() );
    else
	pix = qChoosePixmap( this, formWindow, QPixmap() );

    if ( pix.isNull() )
	return;
#ifndef QT_NO_TABLE
    table->horizontalHeader()->setLabel( listColumns->currentItem(), pix, table->horizontalHeader()->label( listColumns->currentItem() ) );
    listColumns->changeItem( pix, listColumns->currentText(), listColumns->currentItem() );
#endif
}

void TableEditor::deleteColPixmapClicked()
{
    if ( listColumns->currentItem() == -1 )
	return;
#ifndef QT_NO_TABLE
    table->horizontalHeader()->setLabel( listColumns->currentItem(), QPixmap(), table->horizontalHeader()->label( listColumns->currentItem() ) );
    listColumns->changeItem( listColumns->currentText(), listColumns->currentItem() );
#endif
}

void TableEditor::readFromTable()
{
#ifndef QT_NO_TABLE
    QHeader *cols = editTable->horizontalHeader();
    table->setNumCols( cols->count() );
    QMap<QString, QString> columnFields = MetaDataBase::columnFields( editTable );
    for ( int i = 0; i < cols->count(); ++i ) {
	if ( editTable->horizontalHeader()->iconSet( i ) ) {
	    table->horizontalHeader()->setLabel( i, *editTable->horizontalHeader()->iconSet( i ),
						 editTable->horizontalHeader()->label( i ) );
	    listColumns->insertItem( editTable->horizontalHeader()->iconSet( i )->pixmap(),
				     editTable->horizontalHeader()->label( i ) );
	} else {
	    table->horizontalHeader()->setLabel( i, editTable->horizontalHeader()->label( i ) );
	    listColumns->insertItem( editTable->horizontalHeader()->label( i ) );
	}
	QString cf = *columnFields.find( editTable->horizontalHeader()->label( i ) );
	fieldMap.insert( i, cf );
    }

    if ( listColumns->firstItem() ) {
	listColumns->setCurrentItem( listColumns->firstItem() );
	listColumns->setSelected( listColumns->firstItem(), TRUE );
    }

    QHeader *rows = editTable->verticalHeader();
    table->setNumRows( rows->count() );
    for ( int j = 0; j < rows->count(); ++j ) {
	if ( editTable->verticalHeader()->iconSet( j ) ) {
	    table->verticalHeader()->setLabel( j, *editTable->verticalHeader()->iconSet( j ),
					       editTable->verticalHeader()->label( j ) );
	    listRows->insertItem( editTable->verticalHeader()->iconSet( j )->pixmap(),
				  editTable->verticalHeader()->label( j ) );
	} else {
	    table->verticalHeader()->setLabel( j, editTable->verticalHeader()->label( j ) );
	    listRows->insertItem( editTable->verticalHeader()->label( j ) );
	}
    }

    if ( listRows->firstItem() ) {
	listRows->setCurrentItem( listRows->firstItem() );
	listRows->setSelected( listRows->firstItem(), TRUE );
    }
#endif
}

void TableEditor::readColumns()
{
    int j = 0;
#ifndef QT_NO_TABLE
    for ( QListBoxItem *i = listColumns->firstItem(); i; i = i->next(), ++j ) {
	if ( i->pixmap() )
	    table->horizontalHeader()->setLabel( j, *i->pixmap(), i->text() );
	else
	    table->horizontalHeader()->setLabel( j, i->text() );
    }
#endif
}

void TableEditor::readRows()
{
    int j = 0;
#ifndef QT_NO_TABLE
    for ( QListBoxItem *i = listRows->firstItem(); i; i = i->next(), ++j ) {
	if ( i->pixmap() )
	    table->verticalHeader()->setLabel( j, *i->pixmap(), i->text() );
	else
	    table->verticalHeader()->setLabel( j, i->text() );
    }
#endif
}

void TableEditor::saveFieldMap()
{
    tmpFieldMap.clear();
    for ( QMap<int, QString>::Iterator it = fieldMap.begin(); it != fieldMap.end(); ++it )
	tmpFieldMap.insert( listColumns->item( it.key() ), *it );
}

void TableEditor::restoreFieldMap()
{
    fieldMap.clear();
    for ( QMap<QListBoxItem*, QString>::Iterator it = tmpFieldMap.begin(); it != tmpFieldMap.end(); ++it )
	fieldMap.insert( listColumns->index( it.key() ), *it );
}