CommandChangeValue Class Reference

Description

Command to change a double value.

Definition at line 24 of file SampleEditorCommands.h.

Inheritance diagram for CommandChangeValue:

Collaboration diagram for CommandChangeValue:

Public Member Functions
	CommandChangeValue (const QString &label, SampleEditorController *ec, double oldValue, double newValue, const QString &path, QUndoCommand *parent=nullptr)
int	id () const override
bool	mergeWith (const QUndoCommand *command) override
void	redo () override
void	undo () override

Private Attributes
SampleEditorController *	m_ec
bool	m_isFirst = true
double	m_newValue
double	m_oldValue
QString	m_path

Constructor & Destructor Documentation

CommandChangeValue()

CommandChangeValue::CommandChangeValue	(	const QString &	label,
		SampleEditorController *	ec,
		double	oldValue,
		double	newValue,
		const QString &	path,
		QUndoCommand *	parent = nullptr
	)

Definition at line 76 of file SampleEditorCommands.cpp.

    : QUndoCommand(parent)
    , m_ec(ec)
    , m_oldValue(oldValue)
    , m_newValue(newValue)
    , m_path(path)
{
    setText("change " + label + "\n");
}

Member Function Documentation

id()

int CommandChangeValue::id ( ) const

override

Definition at line 88 of file SampleEditorCommands.cpp.

{
    return COMMAND_ID_CHANGE_VALUE;
}

mergeWith()

bool CommandChangeValue::mergeWith ( const QUndoCommand *  command )

override

Definition at line 93 of file SampleEditorCommands.cpp.

{
    if (command->id() != id()) // make sure other is also a changeValue command
        return false;
 
    const auto* const other = dynamic_cast<const CommandChangeValue*>(command);
 
    if (m_path != other->m_path)
        return false;
 
    m_newValue = other->m_newValue;
    return true;
}

References m_newValue, m_path, and other.

redo()

void CommandChangeValue::redo ( )

override

Definition at line 107 of file SampleEditorCommands.cpp.

{
    if (m_isFirst)
        m_isFirst = false;
    else
        m_ec->setDoubleFromUndo(m_newValue, m_path);
}

References m_ec, m_isFirst, m_newValue, m_path, and SampleEditorController::setDoubleFromUndo().

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undo()

void CommandChangeValue::undo ( )

override

Definition at line 115 of file SampleEditorCommands.cpp.

{
    m_ec->setDoubleFromUndo(m_oldValue, m_path);
}

References m_ec, m_oldValue, m_path, and SampleEditorController::setDoubleFromUndo().

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Member Data Documentation

m_ec

SampleEditorController* CommandChangeValue::m_ec

private

Definition at line 36 of file SampleEditorCommands.h.

Referenced by redo(), and undo().

m_isFirst

bool CommandChangeValue::m_isFirst = true

private

Definition at line 40 of file SampleEditorCommands.h.

Referenced by redo().

m_newValue

double CommandChangeValue::m_newValue

private

Definition at line 38 of file SampleEditorCommands.h.

Referenced by mergeWith(), and redo().

m_oldValue

double CommandChangeValue::m_oldValue

private

Definition at line 37 of file SampleEditorCommands.h.

Referenced by undo().

m_path

QString CommandChangeValue::m_path

private

Definition at line 39 of file SampleEditorCommands.h.

Referenced by mergeWith(), redo(), and undo().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/SampleDesigner/SampleEditorCommands.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/View/SampleDesigner/SampleEditorCommands.cpp