TTreeTableInterface is used to interface to data that is stored in a TTree.

When the interface is created, an expression can be specified. This expression will define the columns to be shown.

A selection criterium can also be specified. A TEntryList will be created and applied to the TTree using this criterium. a new TEntryList to use can be specified using SetEntryList. TGTable->Update() will need to be called to show the effects.

WARNING: Do not apply an entrylist to the tree in any other way than through the interface, this will have undefined consequences.

Columns can be manipulated using the appropriate methods. A TGTable->Update is always needed afterwards to make the table aware of the changes.

Definition at line 25 of file TTreeTableInterface.h.

Public Member Functions
	TTreeTableInterface (TTree tree=nullptr, const char varexp=nullptr, const char selection=nullptr, Option_t option=nullptr, Long64_t nentries=0, Long64_t firstentry=0)
	TTreeTableInterface constructor.

	~TTreeTableInterface () override
	TTreeTableInterface destructor.

virtual void	AddColumn (const char *expression, UInt_t position)
	Add column according ot expression at position, TGTable->Update() is needed afterwards to apply the change to the TGTable.

virtual void	AddColumn (TTreeFormula *formula, UInt_t position)
	Add column with formula at position, TGTable->Update() is needed afterwards to apply the change to the TGTable.

const char *	GetColumnHeader (UInt_t column) override
	Return a string to use as a label for columnheader at column.

virtual TEntryList *	GetEntryList ()

UInt_t	GetNColumns () override
	Return the amount of column available.

UInt_t	GetNRows () override
	Return the amount of rows in the Tree.

const char *	GetRowHeader (UInt_t row) override
	Return a string to use as a label for rowheader at column.

Double_t	GetValue (UInt_t row, UInt_t column) override
	Return the value of row,column.

const char *	GetValueAsString (UInt_t row, UInt_t column) override
	Return the content of row,column as string to use in a TGTableCell label.

TClass *	IsA () const override

virtual void	RemoveColumn (UInt_t position)
	Remove column at position, TGTable->Update() is needed afterwards to apply the change to the TGTable.

virtual void	SetEntryList (TEntryList *entrylist=nullptr)
	Set the currently active entrylist.

virtual void	SetFormula (TTreeFormula *formula, UInt_t position)
	Set the TTreeFormula of position to formula.

virtual void	SetSelection (const char *selection)
	Set the selection expression.

void	Streamer (TBuffer &) override

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TVirtualTableInterface
	TVirtualTableInterface ()

virtual	~TVirtualTableInterface ()

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TVirtualTableInterface
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Private Member Functions
void	InitEntries ()
	Initialise the TEntryList with the entries that match the selection criterium.

void	SetVariablesExpression (const char *varexp)
	Compile the variables expression from the given varexp.

void	SyncFormulas ()
	Sync the formulas using the TTreeFormulaManager.

Private Attributes
TEntryList *	fEntries
	Currently active entries.

Long64_t	fEntry
	Present entry number in fTree.

Long64_t	fFirstEntry
	First entry.

bool	fForceDim
	Force dimension.

TList *	fFormulas
	Array of TTreeFormulas to display values.

TList *	fInput
	Used for fSelector.

TTreeFormulaManager *	fManager
	Coordinator for the formulas.

UInt_t	fNColumns
	Amount of columns in the data.

Long64_t	fNEntries
	Number of entries in the tree.

UInt_t	fNRows
	Amount of rows in the data.

TTreeFormula *	fSelect
	Selection condition.

TSelectorDraw *	fSelector
	Selector.

TTree *	fTree
	Data in a TTree.

#include <TTreeTableInterface.h>

Inheritance diagram for TTreeTableInterface:

[legend]

Constructor & Destructor Documentation

◆ TTreeTableInterface()

TTreeTableInterface::TTreeTableInterface	(	TTree *	tree = `nullptr`,
		const char *	varexp = `nullptr`,
		const char *	selection = `nullptr`,
		Option_t *	option = `nullptr`,
		Long64_t	nentries = `0`,
		Long64_t	firstentry = `0`
	)

TTreeTableInterface constructor.

Definition at line 43 of file TTreeTableInterface.cxx.

◆ ~TTreeTableInterface()

TTreeTableInterface::~TTreeTableInterface ( )

override

TTreeTableInterface destructor.

Definition at line 86 of file TTreeTableInterface.cxx.

Member Function Documentation

◆ AddColumn() [1/2]

void TTreeTableInterface::AddColumn	(	const char *	expression,
		UInt_t	position
	)

virtual

Add column according ot expression at position, TGTable->Update() is needed afterwards to apply the change to the TGTable.

Definition at line 378 of file TTreeTableInterface.cxx.

◆ AddColumn() [2/2]

void TTreeTableInterface::AddColumn	(	TTreeFormula *	formula,
		UInt_t	position
	)

virtual

Add column with formula at position, TGTable->Update() is needed afterwards to apply the change to the TGTable.

Definition at line 402 of file TTreeTableInterface.cxx.

◆ Class()

static TClass * TTreeTableInterface::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TTreeTableInterface::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TTreeTableInterface::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 69 of file TTreeTableInterface.h.

◆ DeclFileName()

static const char * TTreeTableInterface::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 69 of file TTreeTableInterface.h.

◆ GetColumnHeader()

const char * TTreeTableInterface::GetColumnHeader ( UInt_t column )

overridevirtual

Return a string to use as a label for columnheader at column.

Implements TVirtualTableInterface.

Definition at line 346 of file TTreeTableInterface.cxx.

◆ GetEntryList()

virtual TEntryList * TTreeTableInterface::GetEntryList ( )

inlinevirtual

Definition at line 60 of file TTreeTableInterface.h.

◆ GetNColumns()

UInt_t TTreeTableInterface::GetNColumns ( )

overridevirtual

Return the amount of column available.

Implements TVirtualTableInterface.

Definition at line 360 of file TTreeTableInterface.cxx.

◆ GetNRows()

UInt_t TTreeTableInterface::GetNRows ( )

overridevirtual

Return the amount of rows in the Tree.

Implements TVirtualTableInterface.

Definition at line 368 of file TTreeTableInterface.cxx.

◆ GetRowHeader()

const char * TTreeTableInterface::GetRowHeader ( UInt_t row )

overridevirtual

Return a string to use as a label for rowheader at column.

Implements TVirtualTableInterface.

Definition at line 333 of file TTreeTableInterface.cxx.

◆ GetValue()

Double_t TTreeTableInterface::GetValue	(	UInt_t	row,
		UInt_t	column
	)

overridevirtual

Return the value of row,column.

If the position does not exist or does not contain a number, 0 is returned.

Implements TVirtualTableInterface.

Definition at line 264 of file TTreeTableInterface.cxx.

◆ GetValueAsString()

const char * TTreeTableInterface::GetValueAsString	(	UInt_t	row,
		UInt_t	column
	)

overridevirtual

Return the content of row,column as string to use in a TGTableCell label.

Implements TVirtualTableInterface.

Definition at line 300 of file TTreeTableInterface.cxx.

◆ InitEntries()

void TTreeTableInterface::InitEntries ( )

private

Initialise the TEntryList with the entries that match the selection criterium.

Definition at line 201 of file TTreeTableInterface.cxx.

◆ IsA()

TClass * TTreeTableInterface::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TVirtualTableInterface.

Definition at line 69 of file TTreeTableInterface.h.

◆ RemoveColumn()

void TTreeTableInterface::RemoveColumn ( UInt_t position )

virtual

Remove column at position, TGTable->Update() is needed afterwards to apply the change to the TGTable.

Definition at line 421 of file TTreeTableInterface.cxx.

◆ SetEntryList()

void TTreeTableInterface::SetEntryList ( TEntryList * entrylist = nullptr )

virtual

Set the currently active entrylist.

Definition at line 468 of file TTreeTableInterface.cxx.

◆ SetFormula()

void TTreeTableInterface::SetFormula	(	TTreeFormula *	formula,
		UInt_t	position
	)

virtual

Set the TTreeFormula of position to formula.

Definition at line 445 of file TTreeTableInterface.cxx.

◆ SetSelection()

void TTreeTableInterface::SetSelection ( const char * selection )

virtual

Set the selection expression.

Definition at line 140 of file TTreeTableInterface.cxx.

◆ SetVariablesExpression()

void TTreeTableInterface::SetVariablesExpression ( const char * varexp )

private

Compile the variables expression from the given varexp.

Definition at line 100 of file TTreeTableInterface.cxx.

◆ Streamer()

void TTreeTableInterface::Streamer ( TBuffer & )

overridevirtual

Reimplemented from TVirtualTableInterface.

◆ StreamerNVirtual()

void TTreeTableInterface::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 69 of file TTreeTableInterface.h.

◆ SyncFormulas()

void TTreeTableInterface::SyncFormulas ( )

private

Sync the formulas using the TTreeFormulaManager.

Definition at line 167 of file TTreeTableInterface.cxx.

Member Data Documentation

◆ fEntries

TEntryList* TTreeTableInterface::fEntries

private

Currently active entries.

Definition at line 38 of file TTreeTableInterface.h.

◆ fEntry

Long64_t TTreeTableInterface::fEntry

private

Present entry number in fTree.

Definition at line 30 of file TTreeTableInterface.h.

◆ fFirstEntry

Long64_t TTreeTableInterface::fFirstEntry

private

First entry.

Definition at line 32 of file TTreeTableInterface.h.

◆ fForceDim

bool TTreeTableInterface::fForceDim

private

Force dimension.

Definition at line 37 of file TTreeTableInterface.h.

◆ fFormulas

TList* TTreeTableInterface::fFormulas

private

Array of TTreeFormulas to display values.

Definition at line 29 of file TTreeTableInterface.h.

◆ fInput

TList* TTreeTableInterface::fInput

private

Used for fSelector.

Definition at line 36 of file TTreeTableInterface.h.

◆ fManager

TTreeFormulaManager* TTreeTableInterface::fManager

private

Coordinator for the formulas.

Definition at line 33 of file TTreeTableInterface.h.

◆ fNColumns

UInt_t TTreeTableInterface::fNColumns

private

Amount of columns in the data.

Definition at line 40 of file TTreeTableInterface.h.

◆ fNEntries

Long64_t TTreeTableInterface::fNEntries

private

Number of entries in the tree.

Definition at line 31 of file TTreeTableInterface.h.

◆ fNRows

UInt_t TTreeTableInterface::fNRows

private

Amount of rows in the data.

Definition at line 39 of file TTreeTableInterface.h.

◆ fSelect

TTreeFormula* TTreeTableInterface::fSelect

private

Selection condition.

Definition at line 34 of file TTreeTableInterface.h.

◆ fSelector

TSelectorDraw* TTreeTableInterface::fSelector

private

Selector.

Definition at line 35 of file TTreeTableInterface.h.

◆ fTree

TTree* TTreeTableInterface::fTree

private

Data in a TTree.

Definition at line 28 of file TTreeTableInterface.h.

Libraries for TTreeTableInterface:

[legend]

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

tree/treeplayer/inc/TTreeTableInterface.h
tree/treeplayer/src/TTreeTableInterface.cxx

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ TTreeTableInterface()

◆ ~TTreeTableInterface()

Member Function Documentation

◆ AddColumn() [1/2]

◆ AddColumn() [2/2]

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ GetColumnHeader()

◆ GetEntryList()

◆ GetNColumns()

◆ GetNRows()

◆ GetRowHeader()

◆ GetValue()

◆ GetValueAsString()

◆ InitEntries()

◆ IsA()

◆ RemoveColumn()

◆ SetEntryList()

◆ SetFormula()

◆ SetSelection()

◆ SetVariablesExpression()

◆ Streamer()

◆ StreamerNVirtual()

◆ SyncFormulas()

Member Data Documentation

◆ fEntries

◆ fEntry

◆ fFirstEntry

◆ fForceDim

◆ fFormulas

◆ fInput

◆ fManager

◆ fNColumns

◆ fNEntries

◆ fNRows

◆ fSelect

◆ fSelector

◆ fTree