Updraft::DataHistory Class Reference

This class creates and stores TaskData objects. More...

#include <datahistory.h>

List of all members.

Public Member Functions
	DataHistory ()
	Creates DataHistory object with one default data entry.
virtual	~DataHistory ()
TaskData *	getCurrent ()
const TaskData *	getCurrent () const
	Same as non-const getCurrent()
bool	isFirst () const
bool	isLast () const
bool	isMarked () const
bool	moveForward ()
	Ascends to the next item in the DataHistory.
bool	moveBack ()
	Steps back to the previous item in the DataHistory.
void	storeState ()
	Removes all newer items than current.
void	setMark ()
	Set mark to the current item. Only one item at once is marked.
Private Types
typedef QLinkedList< TaskData * >	DataContainer
typedef DataContainer::iterator	DataIterator
Private Attributes
DataContainer	dataContainer
	Container storing data history.
DataIterator	currentItem
	Iterator to current item in dataContainer.
DataIterator	markedItem
	Iterator to marked item in dataContainer.

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Detailed Description

This class creates and stores TaskData objects.

It manages undo and redo actions. For proper editing first call add() to create copy of the current item, then call getCurrent() and do changes.

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Member Typedef Documentation

typedef QLinkedList<TaskData*> Updraft::DataHistory::DataContainer [private]

typedef DataContainer::iterator Updraft::DataHistory::DataIterator [private]

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Constructor & Destructor Documentation

Updraft::DataHistory::DataHistory

(

)

[explicit]

Creates DataHistory object with one default data entry.

Updraft::DataHistory::~DataHistory

(

)

[virtual]

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Member Function Documentation

TaskData * Updraft::DataHistory::getCurrent

(

)

Returns:

Current item

const TaskData * Updraft::DataHistory::getCurrent

(

)

const

Same as non-const getCurrent()

bool Updraft::DataHistory::isFirst

(

)

const

Returns:

true if the current item is the first in the DataHistory

bool Updraft::DataHistory::isLast

(

)

const

Returns:

true if the current item is the last in the DataHistory

bool Updraft::DataHistory::isMarked

(

)

const

Returns:

true if the current item is marked

bool Updraft::DataHistory::moveBack

(

)

Steps back to the previous item in the DataHistory.

Returns:

true if the current iterator has been moved.

bool Updraft::DataHistory::moveForward

(

)

Ascends to the next item in the DataHistory.

Returns:

true if the current iterator has been moved.

void Updraft::DataHistory::setMark

(

)

Set mark to the current item. Only one item at once is marked.

void Updraft::DataHistory::storeState

(

)

Removes all newer items than current.

Creates copy of the current item, appends it to the DataHistory and sets it as a new current item.

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Member Data Documentation

DataIterator Updraft::DataHistory::currentItem [private]

Iterator to current item in dataContainer.

DataContainer Updraft::DataHistory::dataContainer [private]

Container storing data history.

DataIterator Updraft::DataHistory::markedItem [private]

Iterator to marked item in dataContainer.

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

• /home/cube/development/c/updraft/Updraft/src/plugins/taskdecl/datahistory.h
• /home/cube/development/c/updraft/Updraft/src/plugins/taskdecl/datahistory.cpp