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25 
26 #include "undocommand.h"
27 
28 #include "qmt/infrastructure/qmtassert.h"
29 
30 namespace qmt {
31 
UndoCommand(const QString & text)32 UndoCommand::UndoCommand(const QString &text)
33     : QUndoCommand(text)
34 {
35 }
36 
~UndoCommand()37 UndoCommand::~UndoCommand()
38 {
39 }
40 
id() const41 int UndoCommand::id() const
42 {
43     return 1;
44 }
45 
setDoNotMerge(bool doNotMerge)46 void UndoCommand::setDoNotMerge(bool doNotMerge)
47 {
48     m_doNotMerge = doNotMerge;
49 }
50 
mergeWith(const QUndoCommand * other)51 bool UndoCommand::mergeWith(const QUndoCommand *other)
52 {
53     auto otherCommand = dynamic_cast<const UndoCommand *>(other);
54     if (!otherCommand || otherCommand->m_doNotMerge)
55         return false;
56     return mergeWith(otherCommand);
57 }
58 
mergeWith(const UndoCommand * other)59 bool UndoCommand::mergeWith(const UndoCommand *other)
60 {
61     Q_UNUSED(other)
62 
63     return false;
64 }
65 
undo()66 void UndoCommand::undo()
67 {
68     QMT_CHECK(!m_canRedo);
69     m_canRedo = true;
70 }
71 
redo()72 void UndoCommand::redo()
73 {
74     QMT_CHECK(m_canRedo);
75     m_canRedo = false;
76 }
77 
78 } // namespace qmt
79