ModelView::DoubleEditor Class Reference

Custom editor for QVariant based on double with possibility to set limits. More...

Inheritance diagram for ModelView::DoubleEditor:

Collaboration diagram for ModelView::DoubleEditor:

Public Slots
void	setData (const QVariant &data)
	Sets the data from model to editor. More...

Signals
void	dataChanged (QVariant value)
	Emmits signal when data was changed in an editor. More...

Public Member Functions
	DoubleEditor (QWidget *parent=nullptr)
QVariant	data () const
virtual bool	is_persistent () const
	Returns true if editor should remains alive after editing finished. More...
void	setDecimals (int decimals)
void	setRange (double minimum, double maximum)
void	setSingleStep (double value)

Protected Member Functions
void	setDataIntern (const QVariant &data)
	Saves the data as given by editor's internal components and notifies the model. More...

Protected Attributes
QVariant	m_data

Properties
QVariant	value

Private Slots
void	onEditingFinished ()

Private Member Functions
void	update_components () override
	Should update widget components from m_data, if necessary. More...

Private Attributes
QDoubleSpinBox *	m_doubleEditor

Detailed Description

Custom editor for QVariant based on double with possibility to set limits.

Definition at line 26 of file doubleeditor.h.

Constructor & Destructor Documentation

DoubleEditor()

DoubleEditor::DoubleEditor ( QWidget *  parent = nullptr )

explicit

Definition at line 23 of file doubleeditor.cpp.

    : CustomEditor(parent), m_doubleEditor(new QDoubleSpinBox)
{
    setFocusPolicy(Qt::StrongFocus);
    m_doubleEditor->setFocusPolicy(Qt::StrongFocus);
    m_doubleEditor->setKeyboardTracking(false);
 
    auto layout = new QVBoxLayout;
    layout->setMargin(0);
    layout->setSpacing(0);
 
    layout->addWidget(m_doubleEditor);
 
    connect(m_doubleEditor,
            static_cast<void (QDoubleSpinBox::*)(double)>(&QDoubleSpinBox::valueChanged),
            [=] { this->onEditingFinished(); });
 
    setLayout(layout);
 
    setFocusProxy(m_doubleEditor);
}

References m_doubleEditor, and onEditingFinished().

Here is the call graph for this function:

Member Function Documentation

data()

QVariant CustomEditor::data ( ) const

inherited

Definition at line 21 of file customeditor.cpp.

{
    return m_data;
}

References ModelView::CustomEditor::m_data.

Referenced by ModelView::CustomEditor::setData(), and ModelView::CustomEditor::setDataIntern().

dataChanged

void ModelView::CustomEditor::dataChanged ( QVariant  value )

signalinherited

Emmits signal when data was changed in an editor.

Referenced by ModelView::PropertyFlatView::PropertyFlatViewImpl::create_editor(), ModelView::ViewModelDelegate::createEditor(), and ModelView::CustomEditor::setDataIntern().

is_persistent()

bool CustomEditor::is_persistent ( ) const

virtualinherited

Returns true if editor should remains alive after editing finished.

Reimplemented in ModelView::SelectableComboBoxEditor, ModelView::ScientificSpinBoxEditor, ModelView::ComboPropertyEditor, and ModelView::BoolEditor.

Definition at line 28 of file customeditor.cpp.

{
    return false;
}

onEditingFinished

void DoubleEditor::onEditingFinished ( )

privateslot

Definition at line 60 of file doubleeditor.cpp.

{
    double new_value = m_doubleEditor->value();
 
    if (!Utils::AreAlmostEqual(new_value, m_data.value<double>()))
        setDataIntern(QVariant::fromValue(new_value));
}

References ModelView::Utils::AreAlmostEqual(), ModelView::CustomEditor::m_data, m_doubleEditor, and ModelView::CustomEditor::setDataIntern().

Referenced by DoubleEditor().

Here is the call graph for this function:

setData

void CustomEditor::setData ( const QVariant &  data )

slotinherited

Sets the data from model to editor.

Definition at line 35 of file customeditor.cpp.

{
    m_data = data;
    update_components();
}

References ModelView::CustomEditor::data(), ModelView::CustomEditor::m_data, and ModelView::CustomEditor::update_components().

Here is the call graph for this function:

setDataIntern()

void CustomEditor::setDataIntern ( const QVariant &  data )

protectedinherited

Saves the data as given by editor's internal components and notifies the model.

Definition at line 43 of file customeditor.cpp.

{
    m_data = data;
    dataChanged(m_data);
}

References ModelView::CustomEditor::data(), ModelView::CustomEditor::dataChanged(), and ModelView::CustomEditor::m_data.

Referenced by ModelView::ColorEditor::mousePressEvent(), ModelView::BoolEditor::onCheckBoxChange(), onEditingFinished(), ModelView::IntegerEditor::onEditingFinished(), ModelView::ScientificDoubleEditor::onEditingFinished(), ModelView::ScientificSpinBoxEditor::onEditingFinished(), ModelView::ComboPropertyEditor::onIndexChanged(), ModelView::ExternalPropertyComboEditor::onIndexChanged(), and ModelView::SelectableComboBoxEditor::onModelDataChanged().

Here is the call graph for this function:

setDecimals()

void DoubleEditor::setDecimals

(

int

decimals

)

Definition at line 50 of file doubleeditor.cpp.

{
    m_doubleEditor->setDecimals(decimals);
}

References m_doubleEditor.

setRange()

void DoubleEditor::setRange	(	double	minimum,
		double	maximum
	)

Definition at line 45 of file doubleeditor.cpp.

{
    m_doubleEditor->setRange(minimum, maximum);
}

References m_doubleEditor.

setSingleStep()

void DoubleEditor::setSingleStep

(

double

value

)

Definition at line 55 of file doubleeditor.cpp.

{
    m_doubleEditor->setSingleStep(value);
}

References m_doubleEditor, and ModelView::CustomEditor::value.

update_components()

void DoubleEditor::update_components ( )

overrideprivatevirtual

Should update widget components from m_data, if necessary.

Implements ModelView::CustomEditor.

Definition at line 68 of file doubleeditor.cpp.

{
    if (m_data.type() != QVariant::Double)
        throw std::runtime_error("DoubleEditor::update_components() -> Error. Wrong variant type");
 
    m_doubleEditor->setValue(m_data.value<double>());
}

References ModelView::CustomEditor::m_data, and m_doubleEditor.

Member Data Documentation

m_data

QVariant ModelView::CustomEditor::m_data

protectedinherited

Definition at line 48 of file customeditor.h.

Referenced by ModelView::ExternalPropertyEditor::buttonClicked(), ModelView::ColorEditor::currentColor(), ModelView::CustomEditor::data(), ModelView::ComboPropertyEditor::internIndex(), ModelView::ExternalPropertyComboEditor::internIndex(), ModelView::ComboPropertyEditor::internLabels(), ModelView::BoolEditor::onCheckBoxChange(), onEditingFinished(), ModelView::IntegerEditor::onEditingFinished(), ModelView::ScientificDoubleEditor::onEditingFinished(), ModelView::ScientificSpinBoxEditor::onEditingFinished(), ModelView::ComboPropertyEditor::onIndexChanged(), ModelView::ExternalPropertyComboEditor::onIndexChanged(), ModelView::SelectableComboBoxEditor::onModelDataChanged(), ModelView::CustomEditor::setData(), ModelView::CustomEditor::setDataIntern(), ModelView::BoolEditor::update_components(), ModelView::ColorEditor::update_components(), update_components(), ModelView::ExternalPropertyEditor::update_components(), ModelView::IntegerEditor::update_components(), ModelView::ScientificDoubleEditor::update_components(), ModelView::ScientificSpinBoxEditor::update_components(), ModelView::SelectableComboBoxEditor::update_components(), and ModelView::SelectableComboBoxEditor::updateBoxLabel().

m_doubleEditor

QDoubleSpinBox* ModelView::DoubleEditor::m_doubleEditor

private

Definition at line 43 of file doubleeditor.h.

Referenced by DoubleEditor(), onEditingFinished(), setDecimals(), setRange(), setSingleStep(), and update_components().

Property Documentation

value

QVariant ModelView::CustomEditor::value

readwriteinherited

Definition at line 1 of file customeditor.h.

Referenced by ModelView::BoolEditor::onCheckBoxChange(), setSingleStep(), and ModelView::BoolEditor::update_components().

---

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

• /home/www/ba/mvvm/viewmodel/mvvm/editors/doubleeditor.h
• /home/www/ba/mvvm/viewmodel/mvvm/editors/doubleeditor.cpp