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
121
122
123
|
/***************************************************************************
UndoTransaction.cpp - groups multiple UndoAction objects together
-------------------
begin : Fri May 25 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas Eschenbacher <thomas.eschenbacher@gmx.de>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "config.h"
#include <QListIterator>
#include "libkwave/String.h"
#include "libkwave/undo/UndoAction.h"
#include "libkwave/undo/UndoTransaction.h"
//***************************************************************************
Kwave::UndoTransaction::UndoTransaction(const QString &name)
:QList<UndoAction *>(), m_description(name), m_aborted(false)
{
}
//***************************************************************************
Kwave::UndoTransaction::~UndoTransaction()
{
while (!isEmpty()) {
delete takeLast();
}
}
//***************************************************************************
qint64 Kwave::UndoTransaction::undoSize()
{
qint64 s = 0;
QListIterator<UndoAction *> it(*this);
while (it.hasNext()) {
UndoAction *undo = it.next();
if (undo) s += undo->undoSize();
}
return s;
}
//***************************************************************************
qint64 Kwave::UndoTransaction::redoSize()
{
qint64 s = 0;
QListIterator<UndoAction *> it(*this);
while (it.hasNext()) {
UndoAction *undo = it.next();
if (undo) s += undo->redoSize();
}
return s;
}
//***************************************************************************
QString Kwave::UndoTransaction::description()
{
// if description exists, return it
if (m_description.length()) return m_description;
QString str;
QListIterator<UndoAction *> it(*this);
while (it.hasNext()) {
UndoAction *undo = it.next();
if (!undo) continue;
QString d = undo->description();
// skip duplicates
if (str.contains(_(", ") + d) || (str == d)) continue;
// append others
if (str.length()) str += _(", ");
str += d;
}
return str;
}
//***************************************************************************
bool Kwave::UndoTransaction::containsModification() const
{
if (isEmpty()) return false;
QListIterator<UndoAction *> it(*this);
while (it.hasNext()) {
UndoAction *action = it.next();
if (!action) continue;
if (action->containsModification()) return true;
}
return false;
}
//***************************************************************************
void Kwave::UndoTransaction::abort()
{
m_aborted = true;
}
//***************************************************************************
void Kwave::UndoTransaction::dump(const QString &indent)
{
qDebug("%s [%s]", DBG(indent), DBG(description()));
if (isEmpty()) return;
QListIterator<UndoAction *> it(*this);
it.toBack();
while (it.hasPrevious()) {
UndoAction *action = it.previous();
Q_ASSERT(action);
if (!action) continue;
action->dump(_(" "));
}
}
//***************************************************************************
//***************************************************************************
|
