#include <CQComboDelegate.h>

Inheritance diagram for CQComboDelegate:

Collaboration diagram for CQComboDelegate:

Signals
void	currentIndexChanged (int, int)

Public Member Functions
	CQComboDelegate (const QStringList pComboItems, QObject parent=NULL, bool commitOnSelect=true)

virtual QWidget *	createEditor (QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const

const QStringList *	getItems (int row) const

bool	isCommitOnSelect () const

void	setCommitOnSelect (bool commitOnSelect)

virtual void	setEditorData (QWidget *editor, const QModelIndex &index) const

void	setItems (int row, const QStringList *pComboItems)

virtual void	setModelData (QWidget editor, QAbstractItemModel model, const QModelIndex &index) const

virtual void	updateEditorGeometry (QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const

virtual	~CQComboDelegate ()

Protected Slots
void	slotCurrentIndexChanged (int index)

void	slotEditorDeleted (QObject *pObject)

Private Attributes
bool	mCommitOnSelect

QMap< QWidget *, QModelIndex >	mEditorToIndex

const QStringList *	mpComboItems

QMap< int, const QStringList * >	mRowToItems

Detailed Description

Definition at line 16 of file CQComboDelegate.h.

Constructor & Destructor Documentation

CQComboDelegate::CQComboDelegate	(	const QStringList *	pComboItems,
		QObject *	parent = `NULL`,
		bool	commitOnSelect = `true`
	)

Definition at line 18 of file CQComboDelegate.cpp.

                                                                                                     :
   QItemDelegate(parent),
   mpComboItems(pComboItems),
   mEditorToIndex(),
   mRowToItems(),
   mCommitOnSelect(commitOnSelect)
 {}

CQComboDelegate::~CQComboDelegate ( )

virtual

Definition at line 26 of file CQComboDelegate.cpp.

27 {}

Member Function Documentation

QWidget * CQComboDelegate::createEditor	(	QWidget *	parent,
		const QStyleOptionViewItem &	option,
		const QModelIndex &	index
	)		const

virtual

Definition at line 29 of file CQComboDelegate.cpp.

References currentIndexChanged(), getItems(), mEditorToIndex, slotCurrentIndexChanged(), and slotEditorDeleted().

 {
   QModelIndex  SourceIndex = index;
   const QAbstractItemModel *pModel = index.model();
 
   while (pModel->inherits("QSortFilterProxyModel"))
     {
       SourceIndex = static_cast< const QSortFilterProxyModel *>(pModel)->mapToSource(index);
       pModel = SourceIndex.model();
     }
 
   QComboBox *pEditor = new QComboBox(parent);
 
   if (getItems(SourceIndex.row()) != NULL)
     {
       pEditor->addItems(*getItems(SourceIndex.row()));
     }
 
   mEditorToIndex[pEditor] = SourceIndex;
 
   connect(pEditor, SIGNAL(currentIndexChanged(int)), this, SLOT(slotCurrentIndexChanged(int)));
   connect(pEditor, SIGNAL(destroyed(QObject *)), this, SLOT(slotEditorDeleted(QObject *)));
 
   return pEditor;
 }

void CQComboDelegate::currentIndexChanged	(	int	,
		int
	)

signal

Referenced by createEditor(), and slotCurrentIndexChanged().

const QStringList * CQComboDelegate::getItems ( int row ) const

Definition at line 87 of file CQComboDelegate.cpp.

References mpComboItems, and mRowToItems.

Referenced by createEditor(), and ParameterTable::slotCellChanged().

 {
   if (mpComboItems != NULL)
     {
       return mpComboItems;
     }
 
   QMap< int, const QStringList * >::const_iterator found = mRowToItems.find(row);
 
   if (found != mRowToItems.end()) // OK to return found.value() = NULL
     {
       return found.value();
     }
 
   return NULL;
 }

bool CQComboDelegate::isCommitOnSelect ( ) const

Definition at line 128 of file CQComboDelegate.cpp.

References mCommitOnSelect.

 {
   return mCommitOnSelect;
 }

void CQComboDelegate::setCommitOnSelect ( bool commitOnSelect )

Definition at line 134 of file CQComboDelegate.cpp.

References mCommitOnSelect.

 {
   mCommitOnSelect = commitOnSelect;
 }

void CQComboDelegate::setEditorData	(	QWidget *	editor,
		const QModelIndex &	index
	)		const

virtual

Definition at line 57 of file CQComboDelegate.cpp.

 {
   QString value = index.model()->data(index, Qt::DisplayRole).toString();
   QComboBox *comboBox = static_cast<QComboBox*>(editor);
 
   comboBox->blockSignals(true);
   comboBox->setCurrentIndex(comboBox->findText(value));
   comboBox->blockSignals(false);
 }

void CQComboDelegate::setItems	(	int	row,
		const QStringList *	pComboItems
	)

Definition at line 82 of file CQComboDelegate.cpp.

References mRowToItems.

Referenced by CQExperimentData::setTypeItems(), and ParameterTable::updateTable().

 {
   mRowToItems[row] = pComboItems;
 }

void CQComboDelegate::setModelData	(	QWidget *	editor,
		QAbstractItemModel *	model,
		const QModelIndex &	index
	)		const

virtual

Reimplemented in CQIndexComboDelegate.

Definition at line 68 of file CQComboDelegate.cpp.

 {
   QComboBox *comboBox = static_cast<QComboBox*>(editor);
   QVariant value(comboBox->currentText());
   model->setData(index, value, Qt::EditRole);
 }

void CQComboDelegate::slotCurrentIndexChanged ( int index )

protectedslot

Definition at line 104 of file CQComboDelegate.cpp.

References currentIndexChanged(), mCommitOnSelect, and mEditorToIndex.

Referenced by createEditor().

 {
   QComboBox * pEditor = dynamic_cast< QComboBox * >(sender());
 
   if (pEditor)
     {
       QMap< QWidget * , QModelIndex >::const_iterator found = mEditorToIndex.find(pEditor);
 
       if (found != mEditorToIndex.end())
         {
           emit currentIndexChanged(found.value().row(), index);
 
           if (mCommitOnSelect)
             commitData(pEditor);
         }
     }
 }

void CQComboDelegate::slotEditorDeleted ( QObject * pObject )

protectedslot

Definition at line 122 of file CQComboDelegate.cpp.

References mEditorToIndex.

Referenced by createEditor().

 {
   mEditorToIndex.remove(static_cast< QWidget * >(pObject));
 }

void CQComboDelegate::updateEditorGeometry	(	QWidget *	editor,
		const QStyleOptionViewItem &	option,
		const QModelIndex &	index
	)		const

virtual

Definition at line 76 of file CQComboDelegate.cpp.

 {
   editor->setGeometry(option.rect);
 }

Member Data Documentation

bool CQComboDelegate::mCommitOnSelect

private

Definition at line 61 of file CQComboDelegate.h.

Referenced by isCommitOnSelect(), setCommitOnSelect(), and slotCurrentIndexChanged().

QMap< QWidget * , QModelIndex > CQComboDelegate::mEditorToIndex

mutableprivate

Definition at line 58 of file CQComboDelegate.h.

Referenced by createEditor(), slotCurrentIndexChanged(), and slotEditorDeleted().

const QStringList* CQComboDelegate::mpComboItems

private

Definition at line 56 of file CQComboDelegate.h.

Referenced by getItems().

QMap< int, const QStringList * > CQComboDelegate::mRowToItems

mutableprivate

Definition at line 59 of file CQComboDelegate.h.

Referenced by getItems(), and setItems().

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

Signals

Public Member Functions

Protected Slots

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation