#include <qgsstylev2.h>

Inheritance diagram for QgsStyleV2:

Collaboration diagram for QgsStyleV2:

Public Types
enum	StyleEntity { SymbolEntity, GroupEntity, TagEntity, ColorrampEntity, SmartgroupEntity }
	Enum for Entities involved in a style. More...

Signals
void	symbolSaved (QString name, QgsSymbolV2 *symbol)

Public Member Functions
	QgsStyleV2 ()

	~QgsStyleV2 ()

bool	addColorRamp (QString name, QgsVectorColorRampV2 *colorRamp, bool update=false)
	add color ramp to style. takes ramp's ownership More...

int	addGroup (QString groupName, int parent=0)
	adds a new group and returns the group's id More...

int	addSmartgroup (QString name, QString op, QgsSmartConditionMap conditions)
	adds new smartgroup to the database and returns the id More...

bool	addSymbol (QString name, QgsSymbolV2 *symbol, bool update=false)
	add symbol to style. takes symbol's ownership More...

int	addTag (QString tagName)
	adds a new tag and returns the tag's id More...

QgsSymbolGroupMap	childGroupNames (QString parent="")
	return a map of groupid and names for the given parent group More...

void	clear ()
	remove all contents of the style More...

QgsVectorColorRampV2 *	colorRamp (QString name)
	return a NEW copy of color ramp More...

int	colorRampCount ()
	return count of color ramps More...

QStringList	colorRampNames ()
	return a list of names of color ramps More...

const QgsVectorColorRampV2 *	colorRampRef (QString name) const
	return a const pointer to a symbol (doesn't create new instance) More...

int	colorrampId (QString name)
	return the id in the style database for the given colorramp name returns 0 if not found More...

bool	tagSymbol (StyleEntity type, QString symbol, QStringList tags)
	tags the symbol with the tags in the list More...

bool	detagSymbol (StyleEntity type, QString symbol, QStringList tags)
	detags the symbol with the given list More...

bool	removeSymbol (QString name)
	remove symbol from style (and delete it) More...

bool	renameSymbol (QString oldName, QString newName)
	change symbol's name More...

QgsSymbolV2 *	symbol (QString name)
	return a NEW copy of symbol More...

const QgsSymbolV2 *	symbolRef (QString name) const
	return a const pointer to a symbol (doesn't create new instance) More...

int	symbolCount ()
	return count of symbols in style More...

QStringList	symbolNames ()
	return a list of names of symbols More...

int	symbolId (QString name)
	return the id in the style database for the given symbol name returns 0 if not found More...

int	groupId (QString group)
	return the DB id for the given group name More...

int	tagId (QString tag)
	return the DB id for the given tag name More...

int	smartgroupId (QString smartgroup)
	return the DB id for the given smartgroup name More...

QStringList	groupNames ()
	return the all the groups in the style More...

QStringList	symbolsOfGroup (StyleEntity type, int groupid)
	returns the symbolnames of a given groupid More...

QStringList	symbolsWithTag (StyleEntity type, int tagid)
	returns the symbol names with which have the given tag More...

bool	group (StyleEntity type, QString name, int groupid)
	applies the specified group to the symbol or colorramp specified by StyleEntity More...

void	rename (StyleEntity type, int id, QString newName)
	rename the given entity with the specified id More...

void	remove (StyleEntity type, int id)
	remove the specified entity from the db More...

bool	saveSymbol (QString name, QgsSymbolV2 *symbol, int groupid, QStringList tags)
	add the symbol to the DB with the tags More...

bool	saveColorRamp (QString name, QgsVectorColorRampV2 *ramp, int groupid, QStringList tags)
	add the colorramp to the DB More...

bool	removeColorRamp (QString name)
	remove color ramp from style (and delete it) More...

bool	renameColorRamp (QString oldName, QString newName)
	change ramp's name More...

bool	load (QString filename)
	load a file into the style More...

bool	save (QString filename=QString())
	save style into a file (will use current filename if empty string is passed) More...

QString	errorString ()
	return last error from load/save operation More...

QString	fileName ()
	return current file name of the style More...

QStringList	findSymbols (StyleEntity type, QString qword)
	return the names of the symbols which have a matching 'substring' in its defintion More...

QStringList	tagsOfSymbol (StyleEntity type, QString symbol)
	return the tags associated with the symbol More...

QgsSymbolGroupMap	smartgroupsListMap ()
	returns the smart groups map with id as key and name as value More...

QStringList	smartgroupNames ()
	returns the smart groups list More...

QgsSmartConditionMap	smartgroup (int id)
	returns the QgsSmartConditionMap for the given id More...

QString	smartgroupOperator (int id)
	returns the operator for the smartgroup More...

QStringList	symbolsOfSmartgroup (StyleEntity type, int id)
	returns the symbols for the smartgroup More...

bool	exportXML (QString filename)
	Exports the style as a XML file. More...

bool	importXML (QString filename)
	Imports the symbols and colorramps into the default style database from the given XML file. More...

Static Public Member Functions
static QgsStyleV2 *	defaultStyle ()
	return default application-wide style More...

Protected Member Functions
bool	openDB (QString filename)
	convenience function to open the DB and return a sqlite3 object More...

bool	runEmptyQuery (char *query, bool freeQuery=true)
	convenience function that would run queries which don't generate return values More...

char *	getGroupRemoveQuery (int id)
	prepares the complex query for removing a group, so that the children are not abandoned More...

int	getId (QString table, QString name)
	gets the id from the table for the given name from the database, 0 if not found More...

bool	updateSymbol (StyleEntity type, QString name)
	updates the properties of an existing symbol/colorramp More...

Protected Attributes
QgsSymbolV2Map	mSymbols

QgsVectorColorRampV2Map	mColorRamps

QString	mErrorString

QString	mFileName

sqlite3 *	mCurrentDB

Static Protected Attributes
static QgsStyleV2 *	mDefaultStyle = 0

Detailed Description

Definition at line 66 of file qgsstylev2.h.

Member Enumeration Documentation

enum QgsStyleV2::StyleEntity

Enum for Entities involved in a style.

The enumerator is used for identifying the entity being operated on when generic database functions are being run.

See also: group(), rename(), remove(), symbolsOfGroup(), symbolsWithTag(), symbolsOfSmartgroup()

Enumerator
SymbolEntity
GroupEntity
TagEntity
ColorrampEntity
SmartgroupEntity

Definition at line 80 of file qgsstylev2.h.

Constructor & Destructor Documentation

QgsStyleV2::QgsStyleV2 ( )

Definition at line 41 of file qgsstylev2.cpp.

References mCurrentDB.

Referenced by defaultStyle().

QgsStyleV2::~QgsStyleV2 ( )

Definition at line 46 of file qgsstylev2.cpp.

References clear().

Member Function Documentation

bool QgsStyleV2::addColorRamp	(	QString	name,
		QgsVectorColorRampV2 *	colorRamp,
		bool	update = `false`
	)

add color ramp to style. takes ramp's ownership

Note: Adding a color ramp with the name of existing one replaces it.

Parameters

name	is the name of the color ramp being added or updated
colorRamp	is the Vector color ramp
update	set to true when the style DB has to be updated, by default it is false

Returns: success status of the operation

Definition at line 188 of file qgsstylev2.cpp.

References ColorrampEntity, mColorRamps, saveColorRamp(), and updateSymbol().

Referenced by importXML().

int QgsStyleV2::addGroup	(	QString	groupName,
		int	parent = `0`
	)

adds a new group and returns the group's id

Parameters

groupName	the name of the new group as QString
parent	is the id of the parent group when a subgrouo is to be created. By default it is 0 indicating it is not a sub-group

Returns: returns an int, which is the DB id of the new group created, 0 if the group couldn't be created

Definition at line 601 of file qgsstylev2.cpp.

References mCurrentDB.

int QgsStyleV2::addSmartgroup	(	QString	name,
		QString	op,
		QgsSmartConditionMap	conditions
	)

adds new smartgroup to the database and returns the id

Parameters

name	is the name of the new Smart Group to be added
op	is the operator between the conditions; AND/OR as QString
conditions	are the smart group conditions

Definition at line 1013 of file qgsstylev2.cpp.

References mCurrentDB, QgsDebugMsg, and runEmptyQuery().

bool QgsStyleV2::addSymbol	(	QString	name,
		QgsSymbolV2 *	symbol,
		bool	update = `false`
	)

add symbol to style. takes symbol's ownership

Note: Adding a symbol with the name of existing one replaces it.

Parameters

name	is the name of the symbol being added or updated
symbol	is the Vector symbol
update	set to true when the style DB has to be updated, by default it is false

Returns: success status of the operation

Definition at line 83 of file qgsstylev2.cpp.

References mSymbols, saveSymbol(), SymbolEntity, and updateSymbol().

Referenced by importXML().

int QgsStyleV2::addTag ( QString tagName )

adds a new tag and returns the tag's id

Parameters

tagName the name of the new tag to be created

Returns: returns an int, which is the DB id of the new tag created, 0 if the tag couldn't be created

Definition at line 618 of file qgsstylev2.cpp.

References mCurrentDB.

Referenced by tagSymbol().

QgsSymbolGroupMap QgsStyleV2::childGroupNames ( QString parent = "" )

return a map of groupid and names for the given parent group

Definition at line 468 of file qgsstylev2.cpp.

References group(), groupNames(), mCurrentDB, QgsDebugMsg, SymgroupId, and SymgroupName.

void QgsStyleV2::clear ( )

remove all contents of the style

Definition at line 70 of file qgsstylev2.cpp.

References mColorRamps, mCurrentDB, and mSymbols.

Referenced by ~QgsStyleV2().

QgsVectorColorRampV2 * QgsStyleV2::colorRamp ( QString name )

return a NEW copy of color ramp

Definition at line 260 of file qgsstylev2.cpp.

References QgsVectorColorRampV2::clone(), and colorRampRef().

Referenced by updateSymbol().

int QgsStyleV2::colorRampCount ( )

return count of color ramps

Definition at line 271 of file qgsstylev2.cpp.

References mColorRamps.

int QgsStyleV2::colorrampId ( QString name )

return the id in the style database for the given colorramp name returns 0 if not found

Definition at line 993 of file qgsstylev2.cpp.

References getId().

Referenced by tagsOfSymbol(), and tagSymbol().

QStringList QgsStyleV2::colorRampNames ( )

return a list of names of color ramps

Definition at line 276 of file qgsstylev2.cpp.

References mColorRamps.

Referenced by symbolsOfSmartgroup(), and updateSymbol().

const QgsVectorColorRampV2 * QgsStyleV2::colorRampRef ( QString name ) const

return a const pointer to a symbol (doesn't create new instance)

Definition at line 266 of file qgsstylev2.cpp.

References mColorRamps.

Referenced by colorRamp(), and fcnRampColor().

QgsStyleV2 * QgsStyleV2::defaultStyle ( )

static

return default application-wide style

Definition at line 51 of file qgsstylev2.cpp.

References QgsApplication::defaultStyleV2Path(), load(), mDefaultStyle, QgsStyleV2(), and QgsApplication::userStyleV2Path().

Referenced by QgsSymbolV2::defaultSymbol(), fcnRampColor(), and QgsSingleBandPseudoColorRendererWidget::QgsSingleBandPseudoColorRendererWidget().

bool QgsStyleV2::detagSymbol	(	StyleEntity	type,
		QString	symbol,
		QStringList	tags
	)

detags the symbol with the given list

Removes the given tags for the specified symbol or colorramp

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or colorramp
tags	is the list of tags that are to be removed as QStringList

Returns: returns the success state of the operation

Definition at line 878 of file qgsstylev2.cpp.

References mCurrentDB, QgsDebugMsg, runEmptyQuery(), and SymbolEntity.

QString QgsStyleV2::errorString ( )

inline

return last error from load/save operation

Definition at line 277 of file qgsstylev2.h.

bool QgsStyleV2::exportXML ( QString filename )

Exports the style as a XML file.

Definition at line 1291 of file qgsstylev2.cpp.

References mColorRamps, mErrorString, mFileName, mSymbols, QgsDebugMsg, QgsSymbolLayerV2Utils::saveColorRamp(), QgsSymbolLayerV2Utils::saveSymbols(), and STYLE_CURRENT_VERSION.

QString QgsStyleV2::fileName ( )

inline

return current file name of the style

Definition at line 280 of file qgsstylev2.h.

QStringList QgsStyleV2::findSymbols	(	StyleEntity	type,
		QString	qword
	)

return the names of the symbols which have a matching 'substring' in its defintion

Parameters

type	is either SymbolEntity or ColorrampEntity
qword	is the query string to search the symbols or colorramps.

Returns: A QStringList of the matched symbols or colorramps

Definition at line 752 of file qgsstylev2.cpp.

References mCurrentDB, QgsDebugMsg, and SymbolEntity.

char * QgsStyleV2::getGroupRemoveQuery ( int id )

protected

prepares the complex query for removing a group, so that the children are not abandoned

Definition at line 661 of file qgsstylev2.cpp.

References mCurrentDB.

Referenced by remove().

int QgsStyleV2::getId	(	QString	table,
		QString	name
	)

protected

gets the id from the table for the given name from the database, 0 if not found

Definition at line 970 of file qgsstylev2.cpp.

References mCurrentDB.

Referenced by colorrampId(), groupId(), smartgroupId(), symbolId(), and tagId().

bool QgsStyleV2::group	(	StyleEntity	type,
		QString	name,
		int	groupid
	)

applies the specified group to the symbol or colorramp specified by StyleEntity

Parameters

type	is either SymbolEntity of ColorrampEntity
name	is the name of the symbol or coloramp whose group is to be set
groupid	is the id of the group to which the entity is assigned

Returns: returns the success state as bool

Definition at line 731 of file qgsstylev2.cpp.

References ColorrampEntity, QgsDebugMsg, runEmptyQuery(), and SymbolEntity.

Referenced by childGroupNames(), and smartgroupsListMap().

int QgsStyleV2::groupId ( QString group )

return the DB id for the given group name

Definition at line 998 of file qgsstylev2.cpp.

References getId().

Referenced by symbolsOfSmartgroup().

QStringList QgsStyleV2::groupNames ( )

return the all the groups in the style

Definition at line 454 of file qgsstylev2.cpp.

References mCurrentDB, and SymgroupName.

Referenced by childGroupNames(), and smartgroupsListMap().

bool QgsStyleV2::importXML ( QString filename )

Imports the symbols and colorramps into the default style database from the given XML file.

Definition at line 1335 of file qgsstylev2.cpp.

References addColorRamp(), addSymbol(), QgsSymbolLayerV2Utils::loadColorRamp(), QgsSymbolLayerV2Utils::loadSymbol(), QgsSymbolLayerV2Utils::loadSymbols(), mErrorString, mFileName, QgsDebugMsg, STYLE_CURRENT_VERSION, and symbol().

bool QgsStyleV2::load ( QString filename )

load a file into the style

Definition at line 294 of file qgsstylev2.cpp.

References ColorrampName, ColorrampXML, QgsSymbolLayerV2Utils::loadColorRamp(), QgsSymbolLayerV2Utils::loadSymbol(), mColorRamps, mCurrentDB, mErrorString, mFileName, mSymbols, openDB(), QgsDebugMsg, runEmptyQuery(), symbol(), SymbolName, and SymbolXML.

Referenced by defaultStyle().

bool QgsStyleV2::openDB ( QString filename )

protected

convenience function to open the DB and return a sqlite3 object

Definition at line 281 of file qgsstylev2.cpp.

References mCurrentDB, and mErrorString.

Referenced by load().

void QgsStyleV2::remove	(	StyleEntity	type,
		int	id
	)

remove the specified entity from the db

Parameters

type	is any of the style entites. Refer enum StyleEntity.
id	is the DB id of the entity to be removed

Definition at line 679 of file qgsstylev2.cpp.

References ColorrampEntity, getGroupRemoveQuery(), GroupEntity, QgsDebugMsg, runEmptyQuery(), SmartgroupEntity, SymbolEntity, and TagEntity.

bool QgsStyleV2::removeColorRamp ( QString name )

remove color ramp from style (and delete it)

Definition at line 242 of file qgsstylev2.cpp.

References mColorRamps, QgsDebugMsg, and runEmptyQuery().

bool QgsStyleV2::removeSymbol ( QString name )

remove symbol from style (and delete it)

Definition at line 138 of file qgsstylev2.cpp.

References mCurrentDB, mSymbols, QgsDebugMsg, symbol(), SymbolEntity, and symbolId().

void QgsStyleV2::rename	(	StyleEntity	type,
		int	id,
		QString	newName
	)

rename the given entity with the specified id

Parameters

type	is any of the style entites. Refer enum StyleEntity.
id	is the DB id of the entity which is to be renamed
newName	is the new name of the entity

Definition at line 633 of file qgsstylev2.cpp.

References ColorrampEntity, GroupEntity, mErrorString, QgsDebugMsg, runEmptyQuery(), SmartgroupEntity, SymbolEntity, and TagEntity.

Referenced by renameColorRamp(), and renameSymbol().

bool QgsStyleV2::renameColorRamp	(	QString	oldName,
		QString	newName
	)

change ramp's name

Note: added in v1.7

Definition at line 432 of file qgsstylev2.cpp.

References ColorrampEntity, mColorRamps, mCurrentDB, and rename().

bool QgsStyleV2::renameSymbol	(	QString	oldName,
		QString	newName
	)

change symbol's name

Note: added in v1.7

Definition at line 406 of file qgsstylev2.cpp.

References mCurrentDB, mSymbols, QgsDebugMsg, rename(), symbol(), SymbolEntity, and symbolId().

bool QgsStyleV2::runEmptyQuery	(	char *	query,
		bool	freeQuery = `true`
	)

protected

convenience function that would run queries which don't generate return values

Parameters

query	query to run
freeQuery	release query memory

Returns: success true on success

Definition at line 710 of file qgsstylev2.cpp.

References mCurrentDB, and QgsDebugMsg.

Referenced by addSmartgroup(), detagSymbol(), group(), load(), remove(), removeColorRamp(), rename(), saveColorRamp(), saveSymbol(), and updateSymbol().

bool QgsStyleV2::save ( QString filename = QString() )

save style into a file (will use current filename if empty string is passed)

Definition at line 360 of file qgsstylev2.cpp.

References mColorRamps, mErrorString, mFileName, mSymbols, QgsSymbolLayerV2Utils::saveColorRamp(), QgsSymbolLayerV2Utils::saveSymbols(), and STYLE_CURRENT_VERSION.

bool QgsStyleV2::saveColorRamp	(	QString	name,
		QgsVectorColorRampV2 *	ramp,
		int	groupid,
		QStringList	tags
	)

add the colorramp to the DB

Parameters

name	is the name of the colorramp as QString
ramp	is the pointer to the new QgsVectorColorRampV2 being saved
groupid	is the id of the group to which the Color Ramp belongs. Pass 0 if it doesn't belong to any group or not known.
tags	is a list of tags that are associated with the color ramp as a QStringList.

Returns: returns the success state of the save operation

Definition at line 212 of file qgsstylev2.cpp.

References QgsDebugMsg, runEmptyQuery(), and QgsSymbolLayerV2Utils::saveColorRamp().

Referenced by addColorRamp().

bool QgsStyleV2::saveSymbol	(	QString	name,
		QgsSymbolV2 *	symbol,
		int	groupid,
		QStringList	tags
	)

add the symbol to the DB with the tags

Parameters

name	is the name of the symbol as QString
symbol	is the pointer to the new QgsSymbolV2 being saved
groupid	is the id of the group to which the symbol belongs. Pass 0 if it doesn't belong to any group or not known.
tags	is a list of tags that are associated with the symbol as a QStringList.

Returns: returns the success state of the save operation

Definition at line 107 of file qgsstylev2.cpp.

References QgsDebugMsg, runEmptyQuery(), QgsSymbolLayerV2Utils::saveSymbol(), and symbolSaved().

Referenced by addSymbol().

QgsSmartConditionMap QgsStyleV2::smartgroup ( int id )

returns the QgsSmartConditionMap for the given id

Definition at line 1218 of file qgsstylev2.cpp.

References mCurrentDB, and QgsDebugMsg.

int QgsStyleV2::smartgroupId ( QString smartgroup )

return the DB id for the given smartgroup name

Definition at line 1008 of file qgsstylev2.cpp.

References getId().

QStringList QgsStyleV2::smartgroupNames ( )

returns the smart groups list

Definition at line 1079 of file qgsstylev2.cpp.

References mCurrentDB, and QgsDebugMsg.

QString QgsStyleV2::smartgroupOperator ( int id )

returns the operator for the smartgroup

Definition at line 1260 of file qgsstylev2.cpp.

References mCurrentDB, and QgsDebugMsg.

QgsSymbolGroupMap QgsStyleV2::smartgroupsListMap ( )

returns the smart groups map with id as key and name as value

Definition at line 1053 of file qgsstylev2.cpp.

References group(), groupNames(), mCurrentDB, QgsDebugMsg, SmartgroupId, and SmartgroupName.

QgsSymbolV2 * QgsStyleV2::symbol ( QString name )

return a NEW copy of symbol

Definition at line 166 of file qgsstylev2.cpp.

References QgsSymbolV2::clone(), and symbolRef().

Referenced by QgsSymbolV2::defaultSymbol(), importXML(), load(), removeSymbol(), renameSymbol(), and updateSymbol().

int QgsStyleV2::symbolCount ( )

return count of symbols in style

Definition at line 177 of file qgsstylev2.cpp.

References mSymbols.

int QgsStyleV2::symbolId ( QString name )

return the id in the style database for the given symbol name returns 0 if not found

Definition at line 988 of file qgsstylev2.cpp.

References getId().

Referenced by removeSymbol(), renameSymbol(), symbolsWithTag(), tagsOfSymbol(), and tagSymbol().

QStringList QgsStyleV2::symbolNames ( )

return a list of names of symbols

Definition at line 182 of file qgsstylev2.cpp.

References mSymbols.

Referenced by symbolsOfSmartgroup(), and updateSymbol().

const QgsSymbolV2 * QgsStyleV2::symbolRef ( QString name ) const

return a const pointer to a symbol (doesn't create new instance)

Definition at line 172 of file qgsstylev2.cpp.

References mSymbols.

Referenced by symbol().

void QgsStyleV2::symbolSaved	(	QString	name,
		QgsSymbolV2 *	symbol
	)

signal

Referenced by saveSymbol().

QStringList QgsStyleV2::symbolsOfGroup	(	StyleEntity	type,
		int	groupid
	)

returns the symbolnames of a given groupid

Parameters

type	is either SymbolEntity or ColorampEntity
groupid	is id of the group to which the symbols belong to, as int

Returns: A QStringList of the symbol or colorramp names for the given group id

Definition at line 515 of file qgsstylev2.cpp.

References ColorrampEntity, mCurrentDB, QgsDebugMsg, and SymbolEntity.

Referenced by symbolsOfSmartgroup().

QStringList QgsStyleV2::symbolsOfSmartgroup	(	StyleEntity	type,
		int	id
	)

returns the symbols for the smartgroup

Definition at line 1104 of file qgsstylev2.cpp.

References colorRampNames(), groupId(), mCurrentDB, QgsDebugMsg, SymbolEntity, symbolNames(), symbolsOfGroup(), symbolsWithTag(), and tagId().

QStringList QgsStyleV2::symbolsWithTag	(	StyleEntity	type,
		int	tagid
	)

returns the symbol names with which have the given tag

Parameters

type	is either SymbolEntity or ColorampEntity
tagid	is id of the tag which has been applied over the symbol as int

Returns: A QStringList of the symbol or colorramp names for the given tag id

Definition at line 552 of file qgsstylev2.cpp.

References ColorrampEntity, mCurrentDB, QgsDebugMsg, SymbolEntity, and symbolId().

Referenced by symbolsOfSmartgroup().

int QgsStyleV2::tagId ( QString tag )

return the DB id for the given tag name

Definition at line 1003 of file qgsstylev2.cpp.

References getId().

Referenced by symbolsOfSmartgroup().

QStringList QgsStyleV2::tagsOfSymbol	(	StyleEntity	type,
		QString	symbol
	)

return the tags associated with the symbol

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or color ramp

Returns: A QStringList of the tags that have been applied to that symbol/colorramp

Definition at line 931 of file qgsstylev2.cpp.

References colorrampId(), mCurrentDB, QgsDebugMsg, SymbolEntity, and symbolId().

bool QgsStyleV2::tagSymbol	(	StyleEntity	type,
		QString	symbol,
		QStringList	tags
	)

tags the symbol with the tags in the list

Applies the given tags to the given symbol or colorramp

Parameters

type	is either SymbolEntity or ColorrampEntity
symbol	is the name of the symbol or colorramp as QString
tags	is the list of the tags that are to be applied as QStringList