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koffice/kchart/csvimportdialog.cc

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/* This file is part of the KDE project
Copyright (C) 1999 David Faure <faure@kde.org>
Copyright (C) 2004 Nicolas GOUTTE <goutte@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <csvimportdialogui.h>
#include <csvimportdialog.h>
#include <qtable.h>
#include <qcheckbox.h>
#include <qcursor.h>
#include <qlineedit.h>
#include <qcombobox.h>
#include <qspinbox.h>
#include <qtextstream.h>
#include <qbuttongroup.h>
#include <qpushbutton.h>
#include <qradiobutton.h>
#include <qtextcodec.h>
#include <kapplication.h>
#include <kdebug.h>
#include <klocale.h>
#include <kcombobox.h>
#include <kmessagebox.h>
#include <kcharsets.h>
CSVImportDialog::CSVImportDialog(QWidget* parent, QByteArray& fileArray)
: KDialogBase(parent, 0, true, QString::null, Ok|Cancel, No, true),
m_dialog(new DialogUI(this)),
m_adjustRows(false),
m_adjustCols(false),
m_startRow(0),
m_startCol(0),
m_endRow(-1),
m_endCol(-1),
m_textquote('"'),
m_delimiter(","),
m_ignoreDups(false),
m_fileArray(fileArray),
m_codec( QTextCodec::codecForName( "UTF-8" ) )
{
setCaption( i18n( "Import Data" ) );
kapp->restoreOverrideCursor();
QStringList encodings;
encodings << i18n( "Descriptive encoding name", "Recommended ( %1 )" ).arg( "UTF-8" );
encodings << i18n( "Descriptive encoding name", "Locale ( %1 )" ).arg( QTextCodec::codecForLocale()->name() );
encodings += KGlobal::charsets()->descriptiveEncodingNames();
// Add a few non-standard encodings, which might be useful for text files
const QString description(i18n("Descriptive encoding name","Other ( %1 )"));
encodings << description.arg("Apple Roman"); // Apple
encodings << description.arg("IBM 850") << description.arg("IBM 866"); // MS DOS
encodings << description.arg("CP 1258"); // Windows
m_dialog->comboBoxEncoding->insertStringList(encodings);
m_formatList << i18n( "Text" );
m_formatList << i18n( "Number" );
//m_formatList << i18n( "Currency" );
//m_formatList << i18n( "Date" );
m_formatList << i18n( "Decimal Comma Number" );
m_formatList << i18n( "Decimal Point Number" );
m_dialog->m_formatComboBox->insertStringList( m_formatList );
m_dialog->m_sheet->setReadOnly( true );
fillTable();
//resize(sizeHint());
resize( 600, 400 ); // Try to show as much as possible of the table view
setMainWidget(m_dialog);
m_dialog->m_sheet->setSelectionMode( QTable::Multi );
connect(m_dialog->m_formatComboBox, SIGNAL(activated( const QString& )),
this, SLOT(formatChanged( const QString& )));
connect(m_dialog->m_delimiterBox, SIGNAL(clicked(int)),
this, SLOT(delimiterClicked(int)));
connect(m_dialog->m_delimiterEdit, SIGNAL(returnPressed()),
this, SLOT(returnPressed()));
connect(m_dialog->m_delimiterEdit, SIGNAL(textChanged ( const QString & )),
this, SLOT(formatChanged ( const QString & ) ));
connect(m_dialog->m_comboQuote, SIGNAL(activated(const QString &)),
this, SLOT(textquoteSelected(const QString &)));
connect(m_dialog->m_sheet, SIGNAL(currentChanged(int, int)),
this, SLOT(currentCellChanged(int, int)));
connect(m_dialog->m_ignoreDuplicates, SIGNAL(stateChanged(int)),
this, SLOT(ignoreDuplicatesChanged(int)));
connect(m_dialog->m_updateButton, SIGNAL(clicked()),
this, SLOT(updateClicked()));
connect(m_dialog->comboBoxEncoding, SIGNAL(textChanged ( const QString & )),
this, SLOT(encodingChanged ( const QString & ) ));
}
CSVImportDialog::~CSVImportDialog()
{
kapp->setOverrideCursor(Qt::waitCursor);
}
// ----------------------------------------------------------------
// public methods
bool CSVImportDialog::firstRowContainHeaders()
{
return m_dialog->m_firstRowHeader->isChecked();
}
bool CSVImportDialog::firstColContainHeaders()
{
return m_dialog->m_firstColHeader->isChecked();
}
int CSVImportDialog::rows()
{
int rows = m_dialog->m_sheet->numRows();
if ( m_endRow >= 0 )
rows = m_endRow - m_startRow + 1;
return rows;
}
int CSVImportDialog::cols()
{
int cols = m_dialog->m_sheet->numCols();
if ( m_endCol >= 0 )
cols = m_endCol - m_startCol + 1;
return cols;
}
QString CSVImportDialog::text(int row, int col)
{
// Check for overflow.
if ( row >= rows() || col >= cols())
return QString::null;
return m_dialog->m_sheet->text( row - m_startRow, col - m_startCol );
}
// ----------------------------------------------------------------
void CSVImportDialog::fillTable( )
{
int row, column;
bool lastCharDelimiter = false;
enum { S_START, S_QUOTED_FIELD, S_MAYBE_END_OF_QUOTED_FIELD, S_END_OF_QUOTED_FIELD,
S_MAYBE_NORMAL_FIELD, S_NORMAL_FIELD } state = S_START;
QChar x;
QString field;
kapp->setOverrideCursor(Qt::waitCursor);
for (row = 0; row < m_dialog->m_sheet->numRows(); ++row)
for (column = 0; column < m_dialog->m_sheet->numCols(); ++column)
m_dialog->m_sheet->clearCell(row, column);
int maxColumn = 1;
row = column = 1;
QTextStream inputStream(m_fileArray, IO_ReadOnly);
kdDebug(30501) << "Encoding: " << m_codec->name() << endl;
inputStream.setCodec( m_codec );
bool lastCharWasCr = false; // Last character was a Carriage Return
while (!inputStream.atEnd())
{
inputStream >> x; // read one char
// ### TODO: we should perhaps skip all other control characters
if ( x == '\r' )
{
// We have a Carriage Return, assume that its role is the one of a LineFeed
lastCharWasCr = true;
x = '\n'; // Replace by Line Feed
}
else if ( x == '\n' && lastCharWasCr )
{
// The end of line was already handled by the Carriage Return, so do nothing for this character
lastCharWasCr = false;
continue;
}
else if ( x == QChar( 0xc ) )
{
// We have a FormFeed, skip it
lastCharWasCr = false;
continue;
}
else
{
lastCharWasCr = false;
}
if ( column > maxColumn )
maxColumn = column;
switch (state)
{
case S_START :
if (x == m_textquote)
{
state = S_QUOTED_FIELD;
}
else if (x == m_delimiter)
{
if ((m_ignoreDups == false) || (lastCharDelimiter == false))
++column;
lastCharDelimiter = true;
}
else if (x == '\n')
{
++row;
column = 1;
if ( row > ( m_endRow - m_startRow ) && m_endRow >= 0 )
break;
}
else
{
field += x;
state = S_MAYBE_NORMAL_FIELD;
}
break;
case S_QUOTED_FIELD :
if (x == m_textquote)
{
state = S_MAYBE_END_OF_QUOTED_FIELD;
}
else if (x == '\n')
{
setText(row - m_startRow, column - m_startCol, field);
field = QString::null;
++row;
column = 1;
if ( row > ( m_endRow - m_startRow ) && m_endRow >= 0 )
break;
state = S_START;
}
else
{
field += x;
}
break;
case S_MAYBE_END_OF_QUOTED_FIELD :
if (x == m_textquote)
{
field += x;
state = S_QUOTED_FIELD;
}
else if (x == m_delimiter || x == '\n')
{
setText(row - m_startRow, column - m_startCol, field);
field = QString::null;
if (x == '\n')
{
++row;
column = 1;
if ( row > ( m_endRow - m_startRow ) && m_endRow >= 0 )
break;
}
else
{
if ((m_ignoreDups == false) || (lastCharDelimiter == false))
++column;
lastCharDelimiter = true;
}
state = S_START;
}
else
{
state = S_END_OF_QUOTED_FIELD;
}
break;
case S_END_OF_QUOTED_FIELD :
if (x == m_delimiter || x == '\n')
{
setText(row - m_startRow, column - m_startCol, field);
field = QString::null;
if (x == '\n')
{
++row;
column = 1;
if ( row > ( m_endRow - m_startRow ) && m_endRow >= 0 )
break;
}
else
{
if ((m_ignoreDups == false) || (lastCharDelimiter == false))
++column;
lastCharDelimiter = true;
}
state = S_START;
}
else
{
state = S_END_OF_QUOTED_FIELD;
}
break;
case S_MAYBE_NORMAL_FIELD :
if (x == m_textquote)
{
field = QString::null;
state = S_QUOTED_FIELD;
break;
}
case S_NORMAL_FIELD :
if (x == m_delimiter || x == '\n')
{
setText(row - m_startRow, column - m_startCol, field);
field = QString::null;
if (x == '\n')
{
++row;
column = 1;
if ( row > ( m_endRow - m_startRow ) && m_endRow >= 0 )
break;
}
else
{
if ((m_ignoreDups == false) || (lastCharDelimiter == false))
++column;
lastCharDelimiter = true;
}
state = S_START;
}
else
{
field += x;
}
}
if (x != m_delimiter)
lastCharDelimiter = false;
}
if ( !field.isEmpty() )
{
// the last line of the file had not any line end
setText(row - m_startRow, column - m_startCol, field);
++row;
field = QString::null;
}
m_adjustCols = true;
adjustRows( row - m_startRow );
adjustCols( maxColumn - m_startCol );
m_dialog->m_colEnd->setMaxValue( maxColumn );
if ( m_endCol == -1 )
m_dialog->m_colEnd->setValue( maxColumn );
for (column = 0; column < m_dialog->m_sheet->numCols(); ++column)
{
const QString header = m_dialog->m_sheet->horizontalHeader()->label(column);
if ( m_formatList.find( header ) == m_formatList.end() )
m_dialog->m_sheet->horizontalHeader()->setLabel(column, i18n("Text"));
m_dialog->m_sheet->adjustColumn(column);
}
fillComboBox();
kapp->restoreOverrideCursor();
}
void CSVImportDialog::fillComboBox()
{
if ( m_endRow == -1 )
m_dialog->m_rowEnd->setValue( m_dialog->m_sheet->numRows() );
else
m_dialog->m_rowEnd->setValue( m_endRow );
if ( m_endCol == -1 )
m_dialog->m_colEnd->setValue( m_dialog->m_sheet->numCols() );
else
m_dialog->m_colEnd->setValue( m_endCol );
m_dialog->m_rowEnd->setMinValue( 1 );
m_dialog->m_colEnd->setMinValue( 1 );
m_dialog->m_rowEnd->setMaxValue( m_dialog->m_sheet->numRows() );
m_dialog->m_colEnd->setMaxValue( m_dialog->m_sheet->numCols() );
m_dialog->m_rowStart->setMinValue( 1 );
m_dialog->m_colStart->setMinValue( 1 );
m_dialog->m_rowStart->setMaxValue( m_dialog->m_sheet->numRows() );
m_dialog->m_colStart->setMaxValue( m_dialog->m_sheet->numCols() );
}
int CSVImportDialog::headerType(int col)
{
QString header = m_dialog->m_sheet->horizontalHeader()->label(col);
if (header == i18n("Text"))
return TEXT;
else if (header == i18n("Number"))
return NUMBER;
else if (header == i18n("Currency"))
return CURRENCY;
else if ( header == i18n( "Date" ) )
return DATE;
else if ( header == i18n( "Decimal Comma Number" ) )
return COMMANUMBER;
else if ( header == i18n( "Decimal Point Number" ) )
return POINTNUMBER;
else
return TEXT; // Should not happen
}
void CSVImportDialog::setText(int row, int col, const QString& text)
{
if ( row < 1 || col < 1 ) // skipped by the user
return;
if ( ( row > ( m_endRow - m_startRow ) && m_endRow > 0 ) || ( col > ( m_endCol - m_startCol ) && m_endCol > 0 ) )
return;
if ( m_dialog->m_sheet->numRows() < row )
{
m_dialog->m_sheet->setNumRows( row + 5000 ); /* We add 5000 at a time to limit recalculations */
m_adjustRows = true;
}
if ( m_dialog->m_sheet->numCols() < col )
{
m_dialog->m_sheet->setNumCols( col );
m_adjustCols = true;
}
m_dialog->m_sheet->setText( row - 1, col - 1, text );
}
/*
* Called after the first fillTable() when number of rows are unknown.
*/
void CSVImportDialog::adjustRows(int iRows)
{
if (m_adjustRows)
{
m_dialog->m_sheet->setNumRows( iRows );
m_adjustRows = false;
}
}
void CSVImportDialog::adjustCols(int iCols)
{
if (m_adjustCols)
{
m_dialog->m_sheet->setNumCols( iCols );
m_adjustCols = false;
if ( m_endCol == -1 )
{
if ( iCols > ( m_endCol - m_startCol ) )
iCols = m_endCol - m_startCol;
m_dialog->m_sheet->setNumCols( iCols );
}
}
}
void CSVImportDialog::returnPressed()
{
if (m_dialog->m_delimiterBox->id(m_dialog->m_delimiterBox->selected()) != 4)
return;
m_delimiter = m_dialog->m_delimiterEdit->text();
fillTable();
}
void CSVImportDialog::textChanged ( const QString & )
{
m_dialog->m_radioOther->setChecked ( true );
delimiterClicked(4); // other
}
void CSVImportDialog::formatChanged( const QString& newValue )
{
//kdDebug(30501) << "CSVImportDialog::formatChanged:" << newValue << endl;
for ( int i = 0; i < m_dialog->m_sheet->numSelections(); ++i )
{
QTableSelection select ( m_dialog->m_sheet->selection( i ) );
for ( int j = select.leftCol(); j <= select.rightCol() ; ++j )
{
m_dialog->m_sheet->horizontalHeader()->setLabel( j, newValue );
}
}
}
void CSVImportDialog::delimiterClicked(int id)
{
switch (id)
{
case 0: // comma
m_delimiter = ",";
break;
case 4: // other
m_delimiter = m_dialog->m_delimiterEdit->text();
break;
case 2: // tab
m_delimiter = "\t";
break;
case 3: // space
m_delimiter = " ";
break;
case 1: // semicolon
m_delimiter = ";";
break;
}
fillTable();
}
void CSVImportDialog::textquoteSelected(const QString& mark)
{
if (mark == i18n("None"))
m_textquote = 0;
else
m_textquote = mark[0];
fillTable();
}
void CSVImportDialog::updateClicked()
{
if ( !checkUpdateRange() )
return;
m_startRow = m_dialog->m_rowStart->value() - 1;
m_endRow = m_dialog->m_rowEnd->value();
m_startCol = m_dialog->m_colStart->value() - 1;
m_endCol = m_dialog->m_colEnd->value();
fillTable();
}
bool CSVImportDialog::checkUpdateRange()
{
if ( ( m_dialog->m_rowStart->value() > m_dialog->m_rowEnd->value() )
|| ( m_dialog->m_colStart->value() > m_dialog->m_colEnd->value() ) )
{
KMessageBox::error( this, i18n( "Please check the ranges you specified. The start value must be lower than the end value." ) );
return false;
}
return true;
}
void CSVImportDialog::currentCellChanged(int, int col)
{
const QString header = m_dialog->m_sheet->horizontalHeader()->label(col);
m_dialog->m_formatComboBox->setCurrentText( header );
}
void CSVImportDialog::ignoreDuplicatesChanged(int)
{
if (m_dialog->m_ignoreDuplicates->isChecked())
m_ignoreDups = true;
else
m_ignoreDups = false;
fillTable();
}
QTextCodec* CSVImportDialog::getCodec(void) const
{
const QString strCodec( KGlobal::charsets()->encodingForName( m_dialog->comboBoxEncoding->currentText() ) );
kdDebug(30502) << "Encoding: " << strCodec << endl;
bool ok = false;
QTextCodec* codec = QTextCodec::codecForName( strCodec.utf8() );
// If QTextCodec has not found a valid encoding, so try with KCharsets.
if ( codec )
{
ok = true;
}
else
{
codec = KGlobal::charsets()->codecForName( strCodec, ok );
}
// Still nothing?
if ( !codec || !ok )
{
// Default: UTF-8
kdWarning(30502) << "Cannot find encoding:" << strCodec << endl;
// ### TODO: what parent to use?
KMessageBox::error( 0, i18n("Cannot find encoding: %1").arg( strCodec ) );
return 0;
}
return codec;
}
void CSVImportDialog::encodingChanged ( const QString & )
{
QTextCodec* codec = getCodec();
if ( codec )
{
m_codec = codec;
fillTable();
}
}
#include <csvimportdialog.moc>
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