UpdateSymbolCommand Class Reference

Update symbol command class;. More...

#include <Commands.h>

Inheritance diagram for UpdateSymbolCommand:

Collaboration diagram for UpdateSymbolCommand:

Public Member Functions
	UpdateSymbolCommand (SymbolLibrary *library, qint16 index, const Symbol &symbol)
virtual	~UpdateSymbolCommand ()
virtual void	undo ()
virtual void	redo ()

Private Attributes
SymbolLibrary *	m_symbolLibrary
qint16	m_index
Symbol	m_symbol
Symbol	m_originalSymbol

Detailed Description

Update symbol command class;.

Implement updating a symbol in the library using the index specified. The index may be 0 for new symbols and a new index will be generated by the library.

The original Symbol is stored for a possible undo.

Definition at line 191 of file Commands.h.

Constructor & Destructor Documentation

UpdateSymbolCommand::UpdateSymbolCommand	(	SymbolLibrary *	library,
		qint16	index,
		const Symbol &	symbol
	)

Constructor

Parameters

library	a pointer to the SymbolLibrary
index	the index of the symbol to be updated
symbol	a const reference to a Symbol representing the updated symbol

Definition at line 331 of file Commands.cpp.

UpdateSymbolCommand::~UpdateSymbolCommand ( )

virtual

Destructor

Definition at line 343 of file Commands.cpp.

Member Function Documentation

void UpdateSymbolCommand::redo ( )

virtual

Redo the update symbol command. The original Symbol is saved for undo. This may be empty. The new Symbol is set in the library for the given index. If the index is 0 a new index is generated, returned and saved for undo.

Definition at line 368 of file Commands.cpp.

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void UpdateSymbolCommand::undo ( )

virtual

Undo the update symbol command. If the original path was not empty it is restored to the indexed symbol otherwise the indexes symbol is removed from the library.

Definition at line 352 of file Commands.cpp.

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Member Data Documentation

qint16 UpdateSymbolCommand::m_index

private

index of the symbol in the library

Definition at line 202 of file Commands.h.

Symbol UpdateSymbolCommand::m_originalSymbol

private

original symbol to be restored on undo

Definition at line 204 of file Commands.h.

Symbol UpdateSymbolCommand::m_symbol

private

the updated symbol

Definition at line 203 of file Commands.h.

SymbolLibrary* UpdateSymbolCommand::m_symbolLibrary

private

pointer to the symbol library

Definition at line 201 of file Commands.h.

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

• Commands.h
• Commands.cpp