Browsing element representing TreeMap visualization for RNTuple.

Author: Patryk Pilichowski

Date: 2025

Warning: This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!

Definition at line 40 of file RNTupleBrowseProvider.cxx.

Public Types
enum	EActionKind { kActNone , kActBrowse , kActEdit , kActImage , kActDraw6 , kActDraw7 , kActCanvas , kActTree , kActGeom }
	Possible actions on double-click. More...
enum	EContentKind { kNone , kText , kImage , kPng , kJpeg , kJson , kFileName }

Public Member Functions
	RTreeMapElement (std::shared_ptr< ROOT::RNTupleReader > ntplReader, const std::string &fileName="")
	~RTreeMapElement () override=default
virtual bool	cd ()
	Select element as active.
virtual bool	CheckValid ()
	Check if element still contains valid content.
std::unique_ptr< RItem >	CreateItem () const override
	Create item with TreeMap icon.
std::unique_ptr< RLevelIter >	GetChildsIter () override
	No children for TreeMap visualization.
const TClass *	GetClass () const
	Return class of RNTuple for consistency.
virtual std::string	GetContent (const std::string &="text")
	Returns element content, depends from kind.
EActionKind	GetDefaultAction () const override
	Default action is to draw the treemap.
std::string	GetName () const override
	Name of TreeMap visualization.
virtual int	GetNumChilds ()
	Returns number of childs By default creates iterator and iterates over all items.
std::unique_ptr< RHolder >	GetObject () override
	Return holder with visualization data.
std::string	GetTitle () const override
	Title of TreeMap visualization.
bool	IsCapable (EActionKind kind) const override
	Check if visualization is capable of being drawn.
virtual bool	IsExpandByDefault () const
	Should item representing element be expand by default.
bool	IsFolder () const override
	Not expandable by default.
virtual bool	IsObject (void *)
	Check if element contains provided pointer.
virtual bool	MatchName (const std::string &name) const
	Checks if element name match to provided value.
void	SetFileName (const std::string &fileName)
	Set filename for treemap creation.

Static Public Member Functions
static int	ComparePaths (const RElementPath_t &path1, const RElementPath_t &path2)
	Compare two paths, Returns number of elements matches in both paths.
static int	ExtractItemIndex (std::string &name)
	Extract index from name Index coded by client with ###<indx>$$$ suffix Such coding used by browser to identify element by index.
static EContentKind	GetContentKind (const std::string &kind)
	Find item with specified name Default implementation, should work for all.
static std::string	GetPathAsString (const RElementPath_t &path)
	Converts element path back to string.
static std::shared_ptr< RElement >	GetSubElement (std::shared_ptr< RElement > &elem, const RElementPath_t &path)
	Returns sub element.
static bool	IsLastKeyCycle ()
	Is only last cycle from the list of keys is shown.
static RElementPath_t	ParsePath (const std::string &str)
	Parse string path to produce RElementPath_t One should avoid to use string pathes as much as possible.
static void	SetLastKeyCycle (bool on=true)
	Set flag to show only last cycle from the list of keys.

Protected Attributes
std::string	fFileName
std::shared_ptr< ROOT::RNTupleReader >	fNtplReader

Inheritance diagram for RTreeMapElement:

Member Enumeration Documentation

◆ EActionKind

enum ROOT::Browsable::RElement::EActionKind

inherited

Possible actions on double-click.

Enumerator
kActNone	do nothing
kActBrowse	just browse (expand) item
kActEdit	can provide data for text editor
kActImage	can be shown in image viewer, can provide image
kActDraw6	can be drawn inside ROOT6 canvas
kActDraw7	can be drawn inside ROOT7 canvas
kActCanvas	indicate that it is canvas and should be drawn directly
kActTree	can be shown in tree viewer
kActGeom	can be shown in geometry viewer

Definition at line 50 of file RElement.hxx.

◆ EContentKind

enum ROOT::Browsable::RElement::EContentKind

inherited

Enumerator
kNone	not recognized
kText	"text" - plain text for code editor
kImage	"image64" - base64 for supported image formats (png/gif/gpeg)
kPng	"png" - plain png binary code, returned inside std::string
kJpeg	"jpg" or "jpeg" - plain jpg binary code, returned inside std::string
kJson	"json" representation of object, can be used in code editor
kFileName	"filename" - file name if applicable

Definition at line 37 of file RElement.hxx.

Constructor & Destructor Documentation

◆ RTreeMapElement()

RTreeMapElement::RTreeMapElement	(	std::shared_ptr< ROOT::RNTupleReader >	ntplReader,
		const std::string &	fileName = "" )

inline

Definition at line 46 of file RNTupleBrowseProvider.cxx.

◆ ~RTreeMapElement()

RTreeMapElement::~RTreeMapElement ( )

overridedefault

Member Function Documentation

◆ cd()

virtual bool ROOT::Browsable::RElement::cd ( )

inlinevirtualinherited

Select element as active.

Reimplemented in TDirectoryElement.

Definition at line 103 of file RElement.hxx.

◆ CheckValid()

virtual bool ROOT::Browsable::RElement::CheckValid ( )

inlinevirtualinherited

Check if element still contains valid content.

Reimplemented in ROOT::Browsable::TObjectElement.

Definition at line 91 of file RElement.hxx.

◆ ComparePaths()

int RElement::ComparePaths	(	const RElementPath_t &	path1,
		const RElementPath_t &	path2 )

staticinherited

Compare two paths, Returns number of elements matches in both paths.

Definition at line 147 of file RElement.cxx.

◆ CreateItem()

std::unique_ptr< RItem > RTreeMapElement::CreateItem ( ) const

inlineoverridevirtual

Create item with TreeMap icon.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 78 of file RNTupleBrowseProvider.cxx.

◆ ExtractItemIndex()

int RElement::ExtractItemIndex ( std::string & name )

staticinherited

Extract index from name Index coded by client with ###<indx>$$$ suffix Such coding used by browser to identify element by index.

Definition at line 180 of file RElement.cxx.

◆ GetChildsIter()

std::unique_ptr< RLevelIter > RTreeMapElement::GetChildsIter ( )

inlineoverridevirtual

No children for TreeMap visualization.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 60 of file RNTupleBrowseProvider.cxx.

◆ GetClass()

const TClass * RTreeMapElement::GetClass ( ) const

inline

Return class of RNTuple for consistency.

Definition at line 63 of file RNTupleBrowseProvider.cxx.

◆ GetContent()

std::string RElement::GetContent ( const std::string & kind = "text" )

virtualinherited

Returns element content, depends from kind.

Returns string content like text file content or json representation.

Can be "text" or "image64" or "json"

Reimplemented in ROOT::Browsable::RSysFile, ROOT::Browsable::RWrapper, TDirectoryElement, and TTreeBrowsingElement.

Definition at line 92 of file RElement.cxx.

◆ GetContentKind()

RElement::EContentKind RElement::GetContentKind ( const std::string & kind )

staticinherited

Find item with specified name Default implementation, should work for all.

Definition at line 54 of file RElement.cxx.

◆ GetDefaultAction()

EActionKind RTreeMapElement::GetDefaultAction ( ) const

inlineoverridevirtual

Default action is to draw the treemap.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 72 of file RNTupleBrowseProvider.cxx.

◆ GetName()

std::string RTreeMapElement::GetName ( ) const

inlineoverridevirtual

Name of TreeMap visualization.

Implements ROOT::Browsable::RElement.

Definition at line 54 of file RNTupleBrowseProvider.cxx.

◆ GetNumChilds()

int RElement::GetNumChilds ( )

virtualinherited

Returns number of childs By default creates iterator and iterates over all items.

Reimplemented in TBrBrowsableElement, TCollectionElement, and TFolderElement.

Definition at line 41 of file RElement.cxx.

◆ GetObject()

std::unique_ptr< RHolder > RTreeMapElement::GetObject ( )

inlineoverridevirtual

Return holder with visualization data.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 66 of file RNTupleBrowseProvider.cxx.

◆ GetPathAsString()

std::string RElement::GetPathAsString ( const RElementPath_t & path )

staticinherited

Converts element path back to string.

Definition at line 162 of file RElement.cxx.

◆ GetSubElement()

std::shared_ptr< RElement > RElement::GetSubElement	(	std::shared_ptr< RElement > &	elem,
		const RElementPath_t &	path )

staticinherited

Returns sub element.

Definition at line 71 of file RElement.cxx.

◆ GetTitle()

std::string RTreeMapElement::GetTitle ( ) const

inlineoverridevirtual

Title of TreeMap visualization.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 57 of file RNTupleBrowseProvider.cxx.

◆ IsCapable()

bool RTreeMapElement::IsCapable ( EActionKind kind ) const

inlineoverridevirtual

Check if visualization is capable of being drawn.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 75 of file RNTupleBrowseProvider.cxx.

◆ IsExpandByDefault()

virtual bool ROOT::Browsable::RElement::IsExpandByDefault ( ) const

inlinevirtualinherited

Should item representing element be expand by default.

Reimplemented in ROOT::Browsable::RWrapper.

Definition at line 100 of file RElement.hxx.

◆ IsFolder()

bool RTreeMapElement::IsFolder ( ) const

inlineoverridevirtual

Not expandable by default.

Reimplemented from ROOT::Browsable::RElement.

Definition at line 86 of file RNTupleBrowseProvider.cxx.

◆ IsLastKeyCycle()

bool RElement::IsLastKeyCycle ( )

staticinherited

Is only last cycle from the list of keys is shown.

Definition at line 195 of file RElement.cxx.

◆ IsObject()

virtual bool ROOT::Browsable::RElement::IsObject ( void * )

inlinevirtualinherited

Check if element contains provided pointer.

Reimplemented in ROOT::Browsable::TObjectElement.

Definition at line 83 of file RElement.hxx.

◆ MatchName()

virtual bool ROOT::Browsable::RElement::MatchName ( const std::string & name ) const

inlinevirtualinherited

Checks if element name match to provided value.

Reimplemented in ROOT::Browsable::RSysFile.

Definition at line 68 of file RElement.hxx.

◆ ParsePath()

RElementPath_t RElement::ParsePath ( const std::string & str )

staticinherited

Parse string path to produce RElementPath_t One should avoid to use string pathes as much as possible.

Definition at line 118 of file RElement.cxx.

◆ SetFileName()

void RTreeMapElement::SetFileName ( const std::string & fileName )

inline

Set filename for treemap creation.

Definition at line 89 of file RNTupleBrowseProvider.cxx.

◆ SetLastKeyCycle()

void RElement::SetLastKeyCycle ( bool on = true )

staticinherited

Set flag to show only last cycle from the list of keys.

Definition at line 203 of file RElement.cxx.

Member Data Documentation

◆ fFileName

std::string RTreeMapElement::fFileName

protected

Definition at line 43 of file RNTupleBrowseProvider.cxx.

◆ fNtplReader

std::shared_ptr<ROOT::RNTupleReader> RTreeMapElement::fNtplReader

protected

Definition at line 42 of file RNTupleBrowseProvider.cxx.

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

gui/browsable/src/RNTupleBrowseProvider.cxx

Public Types

Public Member Functions

Static Public Member Functions

Protected Attributes

Member Enumeration Documentation

◆ EActionKind

◆ EContentKind

Constructor & Destructor Documentation

◆ RTreeMapElement()

◆ ~RTreeMapElement()

Member Function Documentation

◆ cd()

◆ CheckValid()

◆ ComparePaths()

◆ CreateItem()

◆ ExtractItemIndex()

◆ GetChildsIter()

◆ GetClass()

◆ GetContent()

◆ GetContentKind()

◆ GetDefaultAction()

◆ GetName()

◆ GetNumChilds()

◆ GetObject()

◆ GetPathAsString()

◆ GetSubElement()

◆ GetTitle()

◆ IsCapable()

◆ IsExpandByDefault()

◆ IsFolder()

◆ IsLastKeyCycle()

◆ IsObject()

◆ MatchName()

◆ ParsePath()

◆ SetFileName()

◆ SetLastKeyCycle()

Member Data Documentation

◆ fFileName

◆ fNtplReader