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#include "CsvDialog.h"
QChar CsvDialog::SpaceChar(0x2423);
QChar CsvDialog::TabChar(0x21A6);
QString CsvDialog::ExtendedTab(QString(QChar(0x21A6)) + "\t");
CsvDialog::CsvDialog(QWidget* parent):
QDialog(parent)
{
resize(600, 550);
}
void CsvDialog::init()
{
setLayout(createMainLayout());
updatePreview();
connectControlsToPreview();
}
void CsvDialog::connectControlsToPreview()
{
connect(separatorsEdit, SIGNAL(textChanged(QString)), SLOT(updatePreview()) );
connect(textDelimiterCB, SIGNAL(stateChanged(int)), SLOT(updatePreview()) );
connect(textDelimiterCombo, SIGNAL(editTextChanged(QString)), SLOT(updatePreview()) );
connect(commentCharCombo, SIGNAL(editTextChanged(QString)), SLOT(updatePreview()) );
}
QLayout* CsvDialog::createMainLayout()
{
QVBoxLayout* lt = new QVBoxLayout;
lt->addLayout(createTopLayout());
lt->addWidget(new QLabel(tr("Preview:")));
lt->addLayout(createPreviewLt());
lt->addWidget(createButtonBox());
return lt;
}
QLayout* CsvDialog::createTopLayout()
{
QHBoxLayout* lt = new QHBoxLayout;
lt->addWidget(createLeftGroup());
lt->addWidget(createSeparatorsGroup());
return lt;
}
QWidget* CsvDialog::createCharSetCombo()
{
charSetCombo = new QComboBox;
charSetCombo->setEditable(false);
QList<QByteArray> codecNames = QTextCodec::availableCodecs();
qSort( codecNames );
for( int i=0; i<codecNames.size(); i++)
charSetCombo->addItem(codecNames[i],
QTextCodec::codecForName(codecNames[i] )->mibEnum());
int utf8Ix = codecNames.indexOf( "UTF-8" );
charSetCombo->setCurrentIndex( utf8Ix );
return charSetCombo;
}
QGroupBox* CsvDialog::createLeftGroup()
{
QGroupBox* group = new QGroupBox(getLeftGroupTitle());
group->setLayout(createLeftGroupLayout());
return group;
}
QGroupBox* CsvDialog::createSeparatorsGroup()
{
QGroupBox* group = new QGroupBox(tr("Separators"));
group->setLayout(createSeparatorsLayout());
return group;
}
QDialogButtonBox* CsvDialog::createButtonBox()
{
QDialogButtonBox* buttonBox = new QDialogButtonBox(
QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
connect(buttonBox, SIGNAL(accepted()), SLOT(accept()));
connect(buttonBox, SIGNAL(rejected()), SLOT(reject()));
return buttonBox;
}
QWidget* CsvDialog::createFieldSeparatorWidget(const QString& additionalSeparators)
{
separatorsEdit = new QLineEdit(QString(TabChar) + "&" + additionalSeparators);
connect(separatorsEdit, SIGNAL(textChanged(const QString&)),
SLOT(showInvisibleInSeparatorsEdit()));
QPushButton* addSeparatorBtn = new QPushButton(tr("Ta&b"));
addSeparatorBtn->setMinimumWidth(40);
connect(addSeparatorBtn, SIGNAL(clicked()), SLOT(insertTabToSeparators()));
QHBoxLayout* lt = new QHBoxLayout;
lt->addWidget(separatorsEdit);
lt->addWidget(addSeparatorBtn);
lt->setContentsMargins(QMargins());
// Workaround for a bug in QFormLayout::addRow(text, layout)
QWidget* widget = new QWidget;
widget->setLayout(lt);
return widget;
}
QWidget* CsvDialog::createTextDelimiterBox()
{
textDelimiterCB = new QCheckBox(tr("&Text delimiter:"));
textDelimiterCB->setChecked(true);
return textDelimiterCB;
}
QWidget* CsvDialog::createTextDelimiterCombo()
{
return textDelimiterCombo = createEditableCombo(QStringList() << "\"" << "\'");
}
QWidget* CsvDialog::createCommentCharCombo()
{
return commentCharCombo = createEditableCombo(QStringList() << "#" << ";");
}
QComboBox* CsvDialog::createEditableCombo(const QStringList& items)
{
QComboBox* combo = new QComboBox;
combo->setEditable(true);
combo->setInsertPolicy(QComboBox::NoInsert);
combo->setValidator(new QRegExpValidator(QRegExp("\\S{1}"), this));
combo->addItems(items);
return combo;
}
QChar CsvDialog::getTextDelimiterChar() const
{
if(textDelimiterCB->isChecked() && !textDelimiterCombo->currentText().isEmpty())
return textDelimiterCombo->currentText()[0];
else
return QChar(0);
}
void CsvDialog::showInvisibleInSeparatorsEdit()
{
separatorsEdit->setText(setCharVisibility(separatorsEdit->text(), true));
}
void CsvDialog::insertTabToSeparators()
{
separatorsEdit->insert(TabChar);
}
QTextCodec* CsvDialog::getTextCodec()
{
return QTextCodec::codecForMib(
charSetCombo->itemData(charSetCombo->currentIndex()).toInt());
}
/// Convert invisible chars like space and tab to visible equivalents or vice versa.
QString CsvDialog::setCharVisibility(const QString& input, bool visible)
{
QString res = input;
if(visible)
{
res.replace(' ', SpaceChar);
res.replace('\t', ExtendedTab);
}
else
{
res.replace(SpaceChar, ' ');
res.replace(ExtendedTab, "\t");
res.replace(TabChar, '\t');
}
return res;
}
void CsvDialog::updateTextDelimiterCombo()
{
textDelimiterCombo->setEnabled( textDelimiterCB->isChecked() );
}
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