1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
#include "Precompiled.h"
#include "UndoManager.h"
#include "CommandManager.h"
#include "WidgetSelectorManager.h"
template <> tools::UndoManager* MyGUI::Singleton<tools::UndoManager>::msInstance = nullptr;
template <> const char* MyGUI::Singleton<tools::UndoManager>::mClassTypeName = "UndoManager";
namespace tools
{
const int UNDO_COUNT = 64;
UndoManager::UndoManager() :
mPosition(0),
mOperations(UNDO_COUNT),
mLastProperty(0),
mEditorWidgets(nullptr),
mUnsaved(false)
{
CommandManager::getInstance().getEvent("Command_Undo")->connect(this, &UndoManager::commandUndo);
CommandManager::getInstance().getEvent("Command_Redo")->connect(this, &UndoManager::commandRedo);
}
void UndoManager::initialise(EditorWidgets* _ew)
{
mPosition = 0;
mLastProperty = PR_DEFAULT;
mEditorWidgets = _ew;
UndoManager::getInstance().addValue();
setUnsaved(false);
}
void UndoManager::shutdown()
{
for (size_t i = 0; i < mOperations.GetSize(); i++)
{
delete mOperations[i];
}
mOperations.Clear();
}
void UndoManager::undo()
{
if (mPosition == mOperations.GetSize() - 1) return;
setUnsaved(true);
mPosition++;
mEditorWidgets->clear();
mEditorWidgets->loadxmlDocument(mOperations[mPosition]);
}
void UndoManager::redo()
{
if (mPosition == 0) return;
setUnsaved(true);
mPosition--;
mEditorWidgets->clear();
mEditorWidgets->loadxmlDocument(mOperations[mPosition]);
}
void UndoManager::addValue(int _property)
{
setUnsaved(true);
if ((_property != PR_DEFAULT) && (_property == mLastProperty))
{
delete mOperations.Front();
mOperations.PopFirst();
mOperations.Push( mEditorWidgets->savexmlDocument() );
return;
}
mLastProperty = _property;
if ( mPosition != 0 )
{
mLastProperty = PR_DEFAULT;
while (mPosition)
{
delete mOperations.Front();
mOperations.PopFirst();
mPosition--;
}
}
if ( mOperations.IsFull() ) delete mOperations.Back();
mOperations.Push( mEditorWidgets->savexmlDocument() );
mPosition = 0;
}
void UndoManager::commandUndo(const MyGUI::UString& _commandName, bool& _result)
{
undo();
WidgetSelectorManager::getInstance().setSelectedWidget(nullptr);
_result = true;
}
void UndoManager::commandRedo(const MyGUI::UString& _commandName, bool& _result)
{
redo();
WidgetSelectorManager::getInstance().setSelectedWidget(nullptr);
_result = true;
}
void UndoManager::setUnsaved(bool _value)
{
if (mUnsaved != _value)
{
mUnsaved = _value;
eventChanges(mUnsaved);
}
}
}
|
