ImportFileHeaderSection Class Reference

HeaderSection used by ImportFileView to allow basic manipulations on data to be imported. More...

#include <importfilemodel.h>

Inheritance diagram for ImportFileHeaderSection:

Collaboration diagram for ImportFileHeaderSection:

List of all members.

Signals
void	signal_userInteraction (int logicalIndex, TagContainer::ColumnTag tag, QVariant change)
Public Member Functions
	ImportFileHeaderSection (int column, QWidget *parent=0)
void	adjustContent (const TagContainer::ColumnTag &role, const QVariant &data)

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Detailed Description

HeaderSection used by ImportFileView to allow basic manipulations on data to be imported.

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Constructor & Destructor Documentation

ImportFileHeaderSection::ImportFileHeaderSection	(	int	column,
		QWidget *	parent = 0
	)

                                                                                      : QFrame(parent)
{
    setFrameStyle(QFrame::Panel | QFrame::Raised);
    defaultSectionName = QString("No sensor channel assigned");
    this->logicalIndex = column;

    sectionName = new QLabel(defaultSectionName, this);

    dataTypeLayout = new QVBoxLayout;

    dataTypeComboBox = new QComboBox(this);
    dataTypeComboBox->insertItem(0, "None", QVariant::fromValue((int) TagContainer::ColumnTypeNone));
    dataTypeComboBox->insertItem(1, "Timestamp", QVariant::fromValue((int) TagContainer::ColumnTypeTimestamp));
    dataTypeComboBox->insertItem(2, "Data", QVariant::fromValue((int) TagContainer::ColumnTypeData));
    dataTypeComboBox->setCurrentIndex(0);

    timestampFormatEditor = new QLineEdit(this);
    timestampFormatEditor->setToolTip("Two possible formats can be used here:\n"
                                      "1) Write the format of the timestamp string.\n"
                                      "\tFor more help about the syntax, see here: "
                                      "http://doc.qt.nokia.com/" QT_VERSION_STR "/qdatetime.html#toString\n"
                                      "2) Write a simple arithmetic expression where 'X' refers to the timestamp.\n"
                                      "\tSupported operators are '+', '-', '*' and '/'. Brackets '(' and ')' are also supported. "
                                      "Function 'int()' is also supported. \n\tNote that currently no bracket can be used inside a function."
                                      "The result should be the positive number of miliseconds that have passed since 1970-01-01T00:00:00 UTC.");
    timestampFormatEditor->hide();

    unitComboBox = new UnitComboBox(new ConvertableUnitModel(this), this);
    unitComboBox->setCurrentIndex(-1);
    unitComboBox->hide();

    unitConversionLabel = new QLabel("[??]", this);
    unitConversionLabel->hide();
    unitConversionLabel->setAlignment(Qt::AlignCenter);

    dataTypeLayout->addWidget(dataTypeComboBox);
    dataTypeLayout->addWidget(timestampFormatEditor);
    dataTypeLayout->addWidget(unitComboBox);
    dataTypeLayout->addWidget(unitConversionLabel);

    mainLayout = new QVBoxLayout;
    mainLayout->addWidget(sectionName);
    mainLayout->addLayout(dataTypeLayout);
    mainLayout->setAlignment(Qt::AlignTop);
    setLayout(mainLayout);

    setupConnections();
}

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Member Function Documentation

void ImportFileHeaderSection::adjustContent	(	const TagContainer::ColumnTag &	role,
		const QVariant &	data
	)

{
    switch (role) {
    case TagContainer::ColumnTagName:{
            if (data.type() == QVariant::String && data.isValid()) {
                sectionName->setText(data.toString());
            } else {
                sectionName->setText(defaultSectionName);
            }
        } break;
    case TagContainer::ColumnTagTimestampFormat:{
            if (!data.isValid()) {
                timestampFormatEditor->clear();
                break;
            }
            if (timestampFormatEditor->text() != data.toString())
                timestampFormatEditor->setText(data.toString());
        } break;
    case TagContainer::ColumnTagTreeId:{
            if (!data.isValid()) {
                dataTypeComboBox->setCurrentIndex(0);
                break;
            }

            // UnitComboBox
            // The ColumnTagDataUnitId might be allready set for this tree_id so
            // the function will try to retain the selection, set default,
            // or revert to -1 which means there was an error
            unitComboBox->setTreeIdConstraint(data.toInt());

            // Layout
            unitComboBox->show();
            setupUnitConversionLabel();
        } break;
    case TagContainer::ColumnTagType:{
            TagContainer::ColumnType type = static_cast<TagContainer::ColumnType>(data.toInt());
            if (type == TagContainer::ColumnTypeNone) dataTypeComboBox->setCurrentIndex(0);
            if (type == TagContainer::ColumnTypeTimestamp) dataTypeComboBox->setCurrentIndex(1);
            if (type == TagContainer::ColumnTypeData) dataTypeComboBox->setCurrentIndex(2);
        } break;
    case TagContainer::ColumnTagDataUnitId:{
            if (!data.isValid()){
                unitComboBox->setCurrentIndex(-1);
                break;
            }
            bool ok;
            unitComboBox->setCurrentUnitFromId(data.toInt(&ok));
            Q_ASSERT(ok);
            // Probleem hier kan bij het loaden voorkomen: als reeds een tree_id is set,
            // en een unit_id wordt toegewezen dat niet mogelijk is. Deze unit moet
            // "geset" kunnen worden, anders kan em niet gelezen worden later. Vandaar de ASSERT:
            if (unitComboBox->currentIndex() == -1){
                qWarning() << "unitComboBox wasn't able to set unit_id to: " << data << unitComboBox->model()->query().lastQuery();
                // This is a workaround just to make it work... and it works quite well...
                unitComboBox->reset();
                unitComboBox->setCurrentUnitFromId(data.toInt());
                Q_ASSERT(unitComboBox->currentIndex() != -1);
            }
        } break;
    case TagContainer::ColumnTagToolTip:{
            if (!data.isValid()){
                setToolTip(QString());
                break;
            }
            setToolTip(data.toString());
        } break;
    }
}

void ImportFileHeaderSection::signal_userInteraction	(	int	logicalIndex,
		TagContainer::ColumnTag	tag,
		QVariant	change
	)			[signal]

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The documentation for this class was generated from the following files:

• importfilemodel.h
• importfilemodel.cpp