ModelView::ComboPropertyEditor Class Reference

Custom editor for QVariant based on ComboProperty. More...

Inheritance diagram for ModelView::ComboPropertyEditor:

Collaboration diagram for ModelView::ComboPropertyEditor:

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
	ComboPropertyEditor (QWidget *parent=nullptr)
QVariant	data () const
bool	is_persistent () const override
	Returns true if editor should remains alive after editing finished. More...
QSize	minimumSizeHint () const override
QSize	sizeHint () const override

Protected Slots
virtual void	onIndexChanged (int index)

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 Member Functions
int	internIndex ()
	Returns index for QComboBox. More...
std::vector< std::string >	internLabels ()
	Returns list of labels for QComboBox. More...
void	setConnected (bool isConnected)
void	update_components () override
	Should update widget components from m_data, if necessary. More...

Private Attributes
QComboBox *	m_box

Detailed Description

Custom editor for QVariant based on ComboProperty.

Definition at line 26 of file combopropertyeditor.h.

Constructor & Destructor Documentation

ComboPropertyEditor()

ComboPropertyEditor::ComboPropertyEditor ( QWidget *  parent = nullptr )

explicit

Definition at line 32 of file combopropertyeditor.cpp.

    : CustomEditor(parent), m_box(new QComboBox)
{
    setAutoFillBackground(true);
    setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
 
    auto layout = new QVBoxLayout;
    layout->setMargin(0);
    layout->setSpacing(0);
    layout->addWidget(m_box);
    setLayout(layout);
 
    setConnected(true);
}

References m_box, and setConnected().

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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().

internIndex()

int ComboPropertyEditor::internIndex ( )

private

Returns index for QComboBox.

Definition at line 95 of file combopropertyeditor.cpp.

{
    if (!m_data.canConvert<ComboProperty>())
        return 0;
    auto comboProperty = m_data.value<ComboProperty>();
    return comboProperty.currentIndex();
}

References ModelView::ComboProperty::currentIndex(), and ModelView::CustomEditor::m_data.

Referenced by update_components().

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internLabels()

std::vector< std::string > ComboPropertyEditor::internLabels ( )

private

Returns list of labels for QComboBox.

Definition at line 85 of file combopropertyeditor.cpp.

{
    if (!m_data.canConvert<ComboProperty>())
        return {};
    auto comboProperty = m_data.value<ComboProperty>();
    return comboProperty.values();
}

References ModelView::CustomEditor::m_data, and ModelView::ComboProperty::values().

Referenced by update_components().

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is_persistent()

bool ComboPropertyEditor::is_persistent ( ) const

overridevirtual

Returns true if editor should remains alive after editing finished.

Reimplemented from ModelView::CustomEditor.

Definition at line 57 of file combopropertyeditor.cpp.

{
    return true;
}

minimumSizeHint()

QSize ComboPropertyEditor::minimumSizeHint ( ) const

override

Definition at line 52 of file combopropertyeditor.cpp.

{
    return m_box->minimumSizeHint();
}

References m_box.

onIndexChanged

void ComboPropertyEditor::onIndexChanged ( int  index )

protectedvirtualslot

Definition at line 62 of file combopropertyeditor.cpp.

{
    auto comboProperty = m_data.value<ComboProperty>();
 
    if (comboProperty.currentIndex() != index) {
        comboProperty.setCurrentIndex(index);
        setDataIntern(QVariant::fromValue<ComboProperty>(comboProperty));
    }
}

References ModelView::CustomEditor::m_data, ModelView::ComboProperty::setCurrentIndex(), and ModelView::CustomEditor::setDataIntern().

Referenced by setConnected().

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setConnected()

void ComboPropertyEditor::setConnected ( bool  isConnected )

private

Definition at line 103 of file combopropertyeditor.cpp.

{
    if (isConnected)
        connect(m_box, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this,
                &ComboPropertyEditor::onIndexChanged, Qt::UniqueConnection);
    else
        disconnect(m_box, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),
                   this, &ComboPropertyEditor::onIndexChanged);
}

References m_box, and onIndexChanged().

Referenced by ComboPropertyEditor(), and update_components().

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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().

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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(), ModelView::DoubleEditor::onEditingFinished(), ModelView::IntegerEditor::onEditingFinished(), ModelView::ScientificDoubleEditor::onEditingFinished(), ModelView::ScientificSpinBoxEditor::onEditingFinished(), onIndexChanged(), ModelView::ExternalPropertyComboEditor::onIndexChanged(), and ModelView::SelectableComboBoxEditor::onModelDataChanged().

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sizeHint()

QSize ComboPropertyEditor::sizeHint ( ) const

override

Definition at line 47 of file combopropertyeditor.cpp.

{
    return m_box->sizeHint();
}

References m_box.

update_components()

void ComboPropertyEditor::update_components ( )

overrideprivatevirtual

Should update widget components from m_data, if necessary.

Implements ModelView::CustomEditor.

Definition at line 72 of file combopropertyeditor.cpp.

{
    setConnected(false);
 
    m_box->clear();
    m_box->insertItems(0, toList(internLabels()));
    m_box->setCurrentIndex(internIndex());
 
    setConnected(true);
}

References internIndex(), internLabels(), m_box, and setConnected().

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Member Data Documentation

m_box

QComboBox* ModelView::ComboPropertyEditor::m_box

private

Definition at line 45 of file combopropertyeditor.h.

Referenced by ComboPropertyEditor(), minimumSizeHint(), setConnected(), sizeHint(), and update_components().

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(), internIndex(), ModelView::ExternalPropertyComboEditor::internIndex(), internLabels(), ModelView::BoolEditor::onCheckBoxChange(), ModelView::DoubleEditor::onEditingFinished(), ModelView::IntegerEditor::onEditingFinished(), ModelView::ScientificDoubleEditor::onEditingFinished(), ModelView::ScientificSpinBoxEditor::onEditingFinished(), onIndexChanged(), ModelView::ExternalPropertyComboEditor::onIndexChanged(), ModelView::SelectableComboBoxEditor::onModelDataChanged(), ModelView::CustomEditor::setData(), ModelView::CustomEditor::setDataIntern(), ModelView::BoolEditor::update_components(), ModelView::ColorEditor::update_components(), ModelView::DoubleEditor::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().

Property Documentation

value

QVariant ModelView::CustomEditor::value

readwriteinherited

Definition at line 1 of file customeditor.h.

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

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

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