blob: 8b14ded8c0fda2775df9bbac5ef2a83fa2b3fd93 (
plain)
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
|
//
// C++ Implementation: BTHistory
//
// Description:
//
//
// Author: The BibleTime team <info@bibletime.info>, (C) 2007
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "bthistory.h"
#include "backend/keys/cswordkey.h"
#include <QAction>
#include <QList>
#include <QDebug>
BTHistory::BTHistory(QWidget* parent)
: m_historyList(),
m_index(-1),
m_inHistoryFunction(false) {
setParent(parent);
Q_ASSERT(class_invariant());
}
void BTHistory::add(CSwordKey* newKey) {
qDebug("BTHistory::add");
Q_ASSERT(newKey);
// Add new key Action after current index if we were not using the history functions,
// if it's not a duplicate and if it's not empty.
if (!m_inHistoryFunction && ((m_index < 0) || (newKey->key() != m_historyList.at(m_index)->text()) )) {
if (!newKey->key().isEmpty()) {
m_historyList.insert(++m_index, new QAction(newKey->key(), this));
}
// TODO: history limit?
sendChangedSignal();
}
Q_ASSERT(class_invariant());
}
void BTHistory::move(QAction* historyItem) {
qDebug("BTHistory::move");
//Q_ASSERT(historyItem);
Q_ASSERT(m_historyList.count());
m_inHistoryFunction = true;
//find the action in the list
m_index = m_historyList.indexOf(historyItem);
//move to the selected item in the list, it will be the current item
QString newKey = m_historyList.at(m_index)->text();
emit historyMoved(newKey); // signal to "outsiders"; key has been changed
sendChangedSignal();
m_inHistoryFunction = false;
Q_ASSERT(class_invariant());
}
void BTHistory::back() {
qDebug("BTHistory::back");
if ( m_index >= 1) {
move(m_historyList.at(m_index - 1));
}
Q_ASSERT(class_invariant());
}
void BTHistory::fw() {
qDebug("BTHistory::fw");
if (m_index < (m_historyList.size() - 1)) {
move(m_historyList.at(m_index + 1));
}
Q_ASSERT(class_invariant());
}
QList<QAction*> BTHistory::getBackList() {
qDebug("BTHistory::getBackList");
QList<QAction*> list;
for (int i = m_index - 1; i >= 0; --i) {
list.append(m_historyList.at(i));
}
qDebug() << "return:" << list;
Q_ASSERT(class_invariant());
return list;
}
QList<QAction*> BTHistory::getFwList() {
qDebug("BTHistory::getFwList");
QList<QAction*> list;
//qDebug() << "historyList.size:" << m_historyList.size();
for (int i = m_index + 1; i < m_historyList.size(); ++i) {
//qDebug() << "i:" << i;
list.append(m_historyList.at(i));
}
qDebug() << "return:" << list;
Q_ASSERT(class_invariant());
return list;
}
void BTHistory::sendChangedSignal() {
bool backEnabled = m_index > 0; //there are items in the back list
bool fwEnabled = m_historyList.size() > m_index + 1; //there are items in the fw list
emit historyChanged(backEnabled, fwEnabled);
Q_ASSERT(class_invariant());
}
bool BTHistory::class_invariant() {
for (int i = 0; i < m_historyList.size(); ++i) {
if (!m_historyList.at(i) || m_historyList.at(i)->text().isEmpty()) return false;
}
if (!(m_index >= -1 && m_index < m_historyList.size())) return false;
return true;
}
|
