GUI implementation of the list container preference item.

#include <QtxPagePrefMgr.h>

Inheritance diagram for QtxPagePrefListItem:

Public Member Functions
	QtxPagePrefListItem (const QString &, QtxPreferenceItem *=0, const QString &=QString(), const QString &=QString())
	Constructor.
virtual	~QtxPagePrefListItem ()
	Destructor.
virtual void	updateContents ()
	Update widget contents.
QString	emptyInfo () const
	Get message text which is shown if the container is empty.
void	setEmptyInfo (const QString &)
	Set message text which is shown if the container is empty.
bool	isFixedSize () const
	Check if the preference item widget is of fixed size.
void	setFixedSize (const bool)
	Set the preference item widget to be of fixed size.
QWidget *	widget () const
	Get preference item editor widget.
virtual void	activate ()
void	ensureVisible ()
int	id () const
	Get unique item identifier.
virtual int	rtti () const
	Get unique item type identifier.
QtxPreferenceItem *	rootItem () const
	Get root preference item.
QtxPreferenceItem *	parentItem () const
	Get parent preference item.
QList< QtxPreferenceItem * >	childItems (const bool=false) const
	Get all child preference items.
int	depth () const
	Get preference item depth.
int	count () const
	Get child preference items number.
virtual bool	isEmpty () const
	Check if the item has children.
void	appendItem (QtxPreferenceItem *)
	Append child preference item.
void	removeItem (QtxPreferenceItem *)
	Remove child preference item.
void	insertItem (QtxPreferenceItem , QtxPreferenceItem =0)
	Insert child preference item before specified item. If the before item is 0 then new item is appended.
QIcon	icon () const
	Get preference item icon.
QString	title () const
	Get preference item title.
void	resource (QString &, QString &) const
	Get resource file settings associated to the preference item.
virtual void	setIcon (const QIcon &)
	Set prefence item icon.
virtual void	setTitle (const QString &)
	Set preference item title .
virtual void	setResource (const QString &, const QString &)
	Assign resource file settings to the preference item.
QVariant	option (const QString &) const
	Get preference item option value.
void	setOption (const QString &, const QVariant &)
	Set preference item option value.
bool	isEvaluateValues () const
void	setEvaluateValues (const bool)
QString	resourceValue () const
	Get the value of the associated resource file setting.
void	setResourceValue (const QString &)
	Get the value of the associated resource file setting.
QtxPreferenceItem *	findItem (const int, const bool=false) const
	Find the item by the specified identifier.
QtxPreferenceItem *	findItem (const QString &, const bool=false) const
	Find the item by the specified title.
QtxPreferenceItem *	findItem (const QString &, const int, const bool=false) const
	Find the item by the specified title and identifier.
virtual QtxResourceMgr *	resourceMgr () const
	Get the resources manager.
virtual QtxPreferenceMgr *	preferenceMgr () const
	Get the parent preferences manager.
Static Public Member Functions
static int	RTTI ()
	Specify unique item class identifier.
Protected Types
typedef QList < QtxPreferenceItem * >	ItemList
Protected Member Functions
virtual QVariant	optionValue (const QString &) const
	Get preference item option value.
virtual void	setOptionValue (const QString &, const QVariant &)
	Set preference item option value.
virtual void	ensureVisible (QtxPreferenceItem *)
virtual void	widgetShown ()
void	setWidget (QWidget *)
	Set preference item editor widget.
virtual void	itemAdded (QtxPreferenceItem *)
	Callback function which is called when the child preference item is added.
virtual void	itemRemoved (QtxPreferenceItem *)
	Callback function which is called when the child preference item is removed.
virtual void	itemChanged (QtxPreferenceItem *)
	Callback function which is called when the child preference item is modified.
void	pageChildItems (QList< QtxPagePrefItem * > &, const bool=false) const
	Find all child items of the QtxPagePrefItem type.
virtual void	store ()
	Store preference item to the resource manager.
virtual void	retrieve ()
	Retrieve preference item from the resource manager.
virtual void	widgetHided ()
	Invoked when preference item widget is hided.
int	getInteger (const int=0) const
	Get integer resources value corresponding to the item.
double	getDouble (const double=0.0) const
	Get double resources value corresponding to the item.
bool	getBoolean (const bool=false) const
	Get boolean resources value corresponding to the item.
QColor	getColor (const QColor &=QColor()) const
	Get color resources value corresponding to the item.
QFont	getFont (const QFont &=QFont()) const
	Get font resources value corresponding to the item.
QString	getString (const QString &=QString()) const
	Get string resources value corresponding to the item.
void	setInteger (const int)
	Set integer resources value corresponding to the item.
void	setDouble (const double)
	Set double resources value corresponding to the item.
void	setBoolean (const bool)
	Set boolean resources value corresponding to the item.
void	setColor (const QColor &)
	Set color resources value corresponding to the item.
void	setFont (const QFont &)
	Set font resources value corresponding to the item.
void	setString (const QString &)
	Set string resources value corresponding to the item.
void	sendItemChanges ()
	Initiate item changing call back operation.
virtual void	triggerUpdate ()
	Initiate item updating.
Private Slots
void	onItemSelectionChanged ()
	Called when the selection in the list box is changed.
Private Member Functions
void	updateInfo ()
	Update information label widget.
void	updateGeom ()
	Update widget geometry.
void	updateState ()
	Update widget state.
void	updateVisible ()
	Update visibile child widgets.
int	selected () const
	Get identifier of the currently selected preference item.
QtxPagePrefItem *	selectedItem () const
	Get currently selected preference item.
void	setSelected (const int)
	Set currently selected preference item.
Private Attributes
bool	myFix
QListWidget *	myList
QStackedWidget *	myStack
QString	myInfText
QLabel *	myInfLabel

Member Typedef Documentation

typedef QList<QtxPreferenceItem*> QtxPreferenceItem.ItemList [protected, inherited]

Constructor & Destructor Documentation

QtxPagePrefListItem::QtxPagePrefListItem	(	const QString &	title,
		QtxPreferenceItem *	parent = `0`,
		const QString &	sect = `QString()`,
		const QString &	param = `QString()`
	)

Parameters:

title	preference item title
parent	parent preference item
sect	resource file section associated with the preference item
param	resource file parameter associated with the preference item

References Horizontal, main(), myInfLabel, myList, myStack, onItemSelectionChanged(), and QtxPagePrefItem.setWidget().

QtxPagePrefListItem::~QtxPagePrefListItem ( ) [virtual]

Member Function Documentation

void QtxPagePrefListItem::updateContents ( ) [virtual]

Reimplemented from QtxPreferenceItem.

References updateVisible().

QString QtxPagePrefListItem::emptyInfo ( ) const

Returns:: message text

See also:: setEmptyInfo()

References myInfText.

void QtxPagePrefListItem::setEmptyInfo ( const QString & inf )

Parameters:

new	message text

See also:: emptyInfo()

References myInfText, and updateVisible().

bool QtxPagePrefListItem::isFixedSize ( ) const

Returns:: true if the widget has the fixed size

See also:: setFixedSize()

References myFix.

void QtxPagePrefListItem::setFixedSize ( const bool on )

Parameters:

on	if `true`, the widget will have the fixed size

See also:: isFixedSize()

References myFix, and updateGeom().

void QtxPagePrefListItem::onItemSelectionChanged ( ) [private, slot]

References updateState().

QVariant QtxPagePrefListItem::optionValue ( const QString & name ) const [protected, virtual]

Parameters:

name	option name

Returns:: property value or null QVariant if option is not set

See also:: setOptionValue()

Reimplemented from QtxPreferenceItem.

References emptyInfo(), and isFixedSize().

void QtxPagePrefListItem::setOptionValue	(	const QString &	name,
		const QVariant &	val
	)		`[protected, virtual]`

Parameters:

name	option name
val	new property value

See also:: optionValue()

Reimplemented from QtxPreferenceItem.

References setEmptyInfo(), and setFixedSize().

void QtxPagePrefListItem::ensureVisible ( QtxPreferenceItem * i ) [protected, virtual]

Reimplemented from QtxPagePrefItem.

References QtxPreferenceItem.ensureVisible(), QtxPreferenceItem.id(), setSelected(), and updateState().

void QtxPagePrefListItem::widgetShown ( ) [protected, virtual]

Reimplemented from QtxPagePrefItem.

References updateState().

void QtxPagePrefListItem::updateInfo ( ) [private]

References emptyInfo(), myInfLabel, rx, selectedItem(), and QtxPreferenceItem.title().

void QtxPagePrefListItem::updateGeom ( ) [private]

References myFix, myList, and QtxPagePrefItem.widget().

void QtxPagePrefListItem::updateState ( ) [private]

References QtxPreferenceItem.isEmpty(), myInfLabel, myStack, selectedItem(), updateInfo(), and QtxPagePrefItem.widget().

void QtxPagePrefListItem::updateVisible ( ) [private]

References myInfLabel, myInfText, myList, myStack, QtxPagePrefItem.pageChildItems(), selected(), QtxPreferenceItem.setIcon(), setSelected(), updateGeom(), and updateState().

int QtxPagePrefListItem::selected ( ) const [private]

Returns:: identifier of the currently selected item or -1 if no item is selected

See also:: setSelected()

References myList.

QtxPagePrefItem * QtxPagePrefListItem::selectedItem ( ) const [private]

Returns:: currently selected item or 0 if no item is selected

See also:: setSelected()

References QtxPagePrefItem.pageChildItems(), and selected().

void QtxPagePrefListItem::setSelected ( const int id ) [private]

Parameters:

id	identifier of the preference item to make selected

References QtxPreferenceItem.id(), and myList.

QWidget * QtxPagePrefItem::widget ( ) const [inherited]

Returns:: editor widget

See also:: setWidget()

References QtxPagePrefItem.myWidget.

void QtxPagePrefItem::activate ( ) [virtual, inherited]

Reimplemented from QtxPreferenceItem.

References QtxPagePrefItem.widget().

void QtxPagePrefItem::setWidget ( QWidget * wid ) [protected, inherited]

Parameters:

wid	editor widget

See also:: widget()

References QtxPagePrefItem.myListener, QtxPagePrefItem.myWidget, and QtxPreferenceItem.sendItemChanges().

void QtxPagePrefItem::itemAdded ( QtxPreferenceItem * ) [protected, virtual, inherited]

Parameters:

item	child item being added

See also:: itemRemoved(), itemChanged()

Reimplemented from QtxPreferenceItem.

References QtxPagePrefItem.contentChanged().

void QtxPagePrefItem::itemRemoved ( QtxPreferenceItem * ) [protected, virtual, inherited]

Parameters:

item	child item being removed

See also:: itemAdded(), itemChanged()

Reimplemented from QtxPreferenceItem.

References QtxPagePrefItem.contentChanged().

void QtxPagePrefItem::itemChanged ( QtxPreferenceItem * ) [protected, virtual, inherited]

Parameters:

item	child item being modified

See also:: itemAdded(), itemRemoved()

Reimplemented from QtxPreferenceItem.

References QtxPagePrefItem.contentChanged().

void QtxPagePrefItem::pageChildItems	(	QList< QtxPagePrefItem * > &	list,
		const bool	rec = `false`
	)		const `[protected, inherited]`

Parameters:

list	used to return list of child items
rec	if `true`, perform recursive search

References QtxPreferenceItem.childItems().

void QtxPagePrefItem::store ( ) [protected, virtual, inherited]

This method should be reimplemented in the subclasses. Base implementation does nothing.

See also:: retrieve()

Implements QtxPreferenceItem.

Reimplemented in QtxPagePrefGroupItem, QtxPagePrefCheckItem, QtxPagePrefEditItem, QtxPagePrefSliderItem, QtxPagePrefSelectItem, QtxPagePrefSpinItem, QtxPagePrefTextItem, QtxPagePrefColorItem, QtxPagePrefFontItem, QtxPagePrefPathItem, QtxPagePrefPathListItem, QtxPagePrefDateTimeItem, QtxPagePrefShortcutBtnsItem, QtxPagePrefShortcutTreeItem, and QtxUserDefinedItem.

void QtxPagePrefItem::retrieve ( ) [protected, virtual, inherited]

This method should be reimplemented in the subclasses. Base implementation does nothing.

See also:: store()

Implements QtxPreferenceItem.

Reimplemented in QtxPagePrefGroupItem, QtxPagePrefCheckItem, QtxPagePrefEditItem, QtxPagePrefSliderItem, QtxPagePrefSelectItem, QtxPagePrefSpinItem, QtxPagePrefTextItem, QtxPagePrefColorItem, QtxPagePrefFontItem, QtxPagePrefPathItem, QtxPagePrefPathListItem, QtxPagePrefDateTimeItem, QtxPagePrefShortcutBtnsItem, QtxPagePrefShortcutTreeItem, and QtxUserDefinedItem.

void QtxPagePrefItem::widgetHided ( ) [protected, virtual, inherited]

void QtxPreferenceItem::ensureVisible ( ) [inherited]

References QtxPreferenceItem.ensureVisible(), and QtxPreferenceItem.parentItem().

int QtxPreferenceItem::id ( ) const [inherited]

Returns:: item ID

References QtxPreferenceItem.myId.

int QtxPreferenceItem::rtti ( ) const [virtual, inherited]

Returns:: item type ID

References QtxPreferenceItem.RTTI().

QtxPreferenceItem * QtxPreferenceItem::rootItem ( ) const [inherited]

Returns:: root item

References QtxPreferenceItem.parentItem().

QtxPreferenceItem * QtxPreferenceItem::parentItem ( ) const [inherited]

Returns:: parent item

References QtxPreferenceItem.myParent.

QList< QtxPreferenceItem * > QtxPreferenceItem::childItems ( const bool rec = false ) const [inherited]

Parameters:

rec	recursion boolean flag

Returns:: list of child items

References QtxPreferenceItem.myChildren.

int QtxPreferenceItem::depth ( ) const [inherited]

Returns:: item depth

References QtxPreferenceItem.depth(), and QtxPreferenceItem.parentItem().

int QtxPreferenceItem::count ( ) const [inherited]

Returns:: number of child items

See also:: isEmpty()

References QtxPreferenceItem.myChildren.

bool QtxPreferenceItem::isEmpty ( ) const [virtual, inherited]

Returns:: true if item does not have children

See also:: count()

References QtxPreferenceItem.myChildren.

void QtxPreferenceItem::appendItem ( QtxPreferenceItem * item ) [inherited]

Removes (if necessary) the item from the previous parent.

Parameters:

item	item to be added

See also:: removeItem()

References QtxPreferenceItem.insertItem().

void QtxPreferenceItem::removeItem ( QtxPreferenceItem * item ) [inherited]

Parameters:

item	item to be removed

See also:: insertItem()

References QtxPreferenceItem.itemRemoved(), QtxPreferenceItem.myChildren, and QtxPreferenceItem.myParent.

void QtxPreferenceItem::insertItem	(	QtxPreferenceItem *	item,
		QtxPreferenceItem *	before = `0`
	)		`[inherited]`

Removes (if necessary) the item from the previous parent.

Parameters:

item	item to be added
before	item before which is inserted new

See also:: removeItem()

References QtxPreferenceItem.itemAdded(), QtxPreferenceItem.myChildren, QtxPreferenceItem.myParent, QtxPreferenceItem.parentItem(), and QtxPreferenceItem.removeItem().

QIcon QtxPreferenceItem::icon ( ) const [inherited]

Returns:: item icon

See also:: setIcon()

References QtxPreferenceItem.myIcon.

QString QtxPreferenceItem::title ( ) const [inherited]

Returns:: item title

See also:: setTitle()

References QtxPreferenceItem.myTitle.

void QtxPreferenceItem::resource	(	QString &	sec,
		QString &	param
	)		const `[inherited]`

Parameters:

sec	used to return resource file section name
param	used to return resource file parameter name

See also:: setResource()

References QtxPreferenceItem.myParameter, and QtxPreferenceItem.mySection.

void QtxPreferenceItem::setIcon ( const QIcon & ico ) [virtual, inherited]

Parameters:

ico	new item icon

See also:: icon()

References QtxPreferenceItem.myIcon, and QtxPreferenceItem.sendItemChanges().

void QtxPreferenceItem::setTitle ( const QString & title ) [virtual, inherited]

Parameters:

title new item title

See also:: title()

Reimplemented in QtxPageNamedPrefItem, QtxPagePrefLabelItem, and QtxPagePrefCheckItem.

References QtxPreferenceItem.myTitle, QtxPreferenceItem.sendItemChanges(), and QtxPreferenceItem.title().

void QtxPreferenceItem::setResource	(	const QString &	sec,
		const QString &	param
	)		`[virtual, inherited]`

Parameters:

sec	resource file section name
param	resource file parameter name

See also:: resource()

Reimplemented in QtxPagePrefGroupItem.

References QtxPreferenceItem.myParameter, and QtxPreferenceItem.mySection.

QVariant QtxPreferenceItem::option ( const QString & name ) const [inherited]

Parameters:

name	option name

Returns:: property value or null QVariant if option is not set

See also:: setOption()

References QtxPreferenceItem.optionValue().

void QtxPreferenceItem::setOption	(	const QString &	name,
		const QVariant &	val
	)		`[inherited]`

Parameters:

name	option name
val	new property value

See also:: option()

References QtxPreferenceItem.optionValue(), QtxPreferenceItem.sendItemChanges(), and QtxPreferenceItem.setOptionValue().

bool QtxPreferenceItem::isEvaluateValues ( ) const [inherited]

References QtxPreferenceItem.myEval.

void QtxPreferenceItem::setEvaluateValues ( const bool on ) [inherited]

References QtxPreferenceItem.myEval.

QString QtxPreferenceItem::resourceValue ( ) const [inherited]

Returns:: associated resource file setting value

See also:: setResourceValue()

References QtxPreferenceItem.getString().

void QtxPreferenceItem::setResourceValue ( const QString & val ) [inherited]

Parameters:

val	new associated resource file setting value

See also:: resourceValue()

References QtxPreferenceItem.setString().

QtxPreferenceItem * QtxPreferenceItem::findItem	(	const int	id,
		const bool	rec = `false`
	)		const `[inherited]`

Parameters:

id	child item ID
rec	if `true` recursive search is done

Returns:: child item or 0 if it is not found

References QtxPreferenceItem.findItem(), QtxPreferenceItem.id(), and QtxPreferenceItem.myChildren.

QtxPreferenceItem * QtxPreferenceItem::findItem	(	const QString &	title,
		const bool	rec = `false`
	)		const `[inherited]`

Parameters:

title	child item title
rec	if `true` recursive search is done

Returns:: child item or 0 if it is not found

References QtxPreferenceItem.findItem(), QtxPreferenceItem.myChildren, and QtxPreferenceItem.title().

QtxPreferenceItem * QtxPreferenceItem::findItem	(	const QString &	title,
		const int	id,
		const bool	rec = `false`
	)		const `[inherited]`

Parameters:

title	child item title
id	child item ID
rec	if `true` recursive search is done

Returns:: child item or 0 if it is not found

References QtxPreferenceItem.findItem(), QtxPreferenceItem.id(), QtxPreferenceItem.myChildren, and QtxPreferenceItem.title().

QtxResourceMgr * QtxPreferenceItem::resourceMgr ( ) const [virtual, inherited]

Returns:: resource manager pointer or 0 if it is not defined

Reimplemented in QtxPreferenceMgr.

References QtxPreferenceItem.preferenceMgr(), and QtxPreferenceMgr.resourceMgr().

QtxPreferenceMgr * QtxPreferenceItem::preferenceMgr ( ) const [virtual, inherited]

Returns:: preferences manager or 0 if it is not defined

Reimplemented in QtxPreferenceMgr.

References QtxPreferenceItem.parentItem(), and QtxPreferenceItem.preferenceMgr().

int QtxPreferenceItem::RTTI ( ) [static, inherited]

Returns:: item class ID

int QtxPreferenceItem::getInteger ( const int val = 0 ) const [protected, inherited]

Parameters:

val	default value (returned if there is no such resource)

Returns:: integer value of the associated resource

See also:: setInteger()

References QtxResourceMgr.integerValue(), QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, and QtxPreferenceItem.resourceMgr().

double QtxPreferenceItem::getDouble ( const double val = 0.0 ) const [protected, inherited]

Parameters:

val	default value (returned if there is no such resource)

Returns:: double value of the associated resource

See also:: setDouble()

References QtxResourceMgr.doubleValue(), QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, and QtxPreferenceItem.resourceMgr().

bool QtxPreferenceItem::getBoolean ( const bool val = false ) const [protected, inherited]

Parameters:

val	default value (returned if there is no such resource)

Returns:: boolean value of the associated resource

See also:: setBoolean()

References QtxResourceMgr.booleanValue(), QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, and QtxPreferenceItem.resourceMgr().

QColor QtxPreferenceItem::getColor ( const QColor & val = QColor() ) const [protected, inherited]

Parameters:

val	default value (returned if there is no such resource)

Returns:: color value of the associated resource

See also:: setColor()

References QtxResourceMgr.colorValue(), QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, and QtxPreferenceItem.resourceMgr().

QFont QtxPreferenceItem::getFont ( const QFont & val = QFont() ) const [protected, inherited]

Parameters:

val	default value (returned if there is no such resource)

Returns:: font value of the associated resource

See also:: setFont()

References QtxResourceMgr.fontValue(), QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, and QtxPreferenceItem.resourceMgr().

QString QtxPreferenceItem::getString ( const QString & val = QString() ) const [protected, inherited]

Parameters:

val	default value (returned if there is no such resource)

Returns:: string value of the associated resource

See also:: setString()

References QtxPreferenceItem.isEvaluateValues(), QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.value().

void QtxPreferenceItem::setInteger ( const int val ) [protected, inherited]

Parameters:

val new value

See also:: getInteger()

References QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.setValue().

void QtxPreferenceItem::setDouble ( const double val ) [protected, inherited]

Parameters:

val new value

See also:: getDouble()

References QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.setValue().

void QtxPreferenceItem::setBoolean ( const bool val ) [protected, inherited]

Parameters:

val new value

See also:: getBoolean()

References QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.setValue().

void QtxPreferenceItem::setColor ( const QColor & val ) [protected, inherited]

Parameters:

val new value

See also:: getColor()

References QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.setValue().

void QtxPreferenceItem::setFont ( const QFont & val ) [protected, inherited]

Parameters:

val new value

See also:: getFont()

References QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.setValue().

void QtxPreferenceItem::setString ( const QString & val ) [protected, inherited]

Parameters:

val new value

See also:: getString()

References QtxPreferenceItem.myParameter, QtxPreferenceItem.mySection, QtxPreferenceItem.resourceMgr(), and QtxResourceMgr.setValue().

void QtxPreferenceItem::sendItemChanges ( ) [protected, inherited]

References QtxPreferenceItem.itemChanged(), and QtxPreferenceItem.parentItem().

void QtxPreferenceItem::triggerUpdate ( ) [protected, virtual, inherited]

References QtxPreferenceItem.Updater.instance(), and QtxPreferenceItem.Updater.updateItem().

Field Documentation

bool QtxPagePrefListItem.myFix [private]

QListWidget* QtxPagePrefListItem.myList [private]

QStackedWidget* QtxPagePrefListItem.myStack [private]

QString QtxPagePrefListItem.myInfText [private]

QLabel* QtxPagePrefListItem.myInfLabel [private]

QtxPagePrefListItem Class Reference

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Private Slots

Private Member Functions

Private Attributes

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation