recentrequeststablemodel.cpp raw
1 // Copyright (c) 2011-2022 The Limenka developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5 #include <qt/recentrequeststablemodel.h>
6
7 #include <qt/limenkaunits.h>
8 #include <qt/guiutil.h>
9 #include <qt/optionsmodel.h>
10 #include <qt/walletmodel.h>
11
12 #include <clientversion.h>
13 #include <interfaces/wallet.h>
14 #include <key_io.h>
15 #include <streams.h>
16 #include <util/string.h>
17
18 #include <utility>
19
20 #include <QLatin1Char>
21 #include <QLatin1String>
22
23 using util::ToString;
24
25 RecentRequestsTableModel::RecentRequestsTableModel(WalletModel *parent) :
26 QAbstractTableModel(parent), walletModel(parent)
27 {
28 // Load entries from wallet
29 for (const std::string& request : parent->wallet().getAddressReceiveRequests()) {
30 addNewRequest(request);
31 }
32
33 /* These columns must match the indices in the ColumnIndex enumeration */
34 columns << tr("Date") << tr("Label") << tr("Message") << getAmountTitle();
35
36 connect(walletModel->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &RecentRequestsTableModel::updateDisplayUnit);
37 connect(walletModel->getOptionsModel(), &OptionsModel::fontForMoneyChanged, this, &RecentRequestsTableModel::updateFontForMoney);
38 }
39
40 RecentRequestsTableModel::~RecentRequestsTableModel() = default;
41
42 int RecentRequestsTableModel::rowCount(const QModelIndex &parent) const
43 {
44 if (parent.isValid()) {
45 return 0;
46 }
47 return list.length();
48 }
49
50 int RecentRequestsTableModel::columnCount(const QModelIndex &parent) const
51 {
52 if (parent.isValid()) {
53 return 0;
54 }
55 return columns.length();
56 }
57
58 QVariant RecentRequestsTableModel::data(const QModelIndex &index, int role) const
59 {
60 if(!index.isValid() || index.row() >= list.length())
61 return QVariant();
62
63 if(role == Qt::DisplayRole || role == Qt::EditRole)
64 {
65 const RecentRequestEntry *rec = &list[index.row()];
66 switch(index.column())
67 {
68 case Date:
69 return GUIUtil::dateTimeStr(rec->date);
70 case Label:
71 if(rec->recipient.label.isEmpty() && role == Qt::DisplayRole)
72 {
73 return tr("(no label)");
74 }
75 else
76 {
77 return rec->recipient.label;
78 }
79 case Message:
80 if(rec->recipient.message.isEmpty() && role == Qt::DisplayRole)
81 {
82 return tr("(no message)");
83 }
84 else
85 {
86 return rec->recipient.message;
87 }
88 case Amount:
89 if (rec->recipient.amount == 0 && role == Qt::DisplayRole)
90 return tr("(no amount requested)");
91 else if (rec->recipient.amount == 0 && role == Qt::EditRole)
92 return "";
93 else if (role == Qt::EditRole)
94 return LimenkaUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), rec->recipient.amount, false, LimenkaUnits::SeparatorStyle::NEVER);
95 else
96 return LimenkaUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), rec->recipient.amount);
97 }
98 }
99 else if (role == Qt::FontRole) {
100 const RecentRequestEntry * const rec = &list[index.row()];
101 if (index.column() == Amount && rec->recipient.amount) {
102 const LimenkaUnit display_unit = walletModel->getOptionsModel()->getDisplayUnit();
103 return walletModel->getOptionsModel()->getFontForMoney(display_unit);
104 }
105 }
106 else if (role == Qt::TextAlignmentRole)
107 {
108 if (index.column() == Amount)
109 return (int)(Qt::AlignRight|Qt::AlignVCenter);
110 } else if (role == Qt::UserRole) {
111 const RecentRequestEntry* rec = &list[index.row()];
112 switch (index.column()) {
113 case Date:
114 return rec->date;
115 case Label:
116 return rec->recipient.label;
117 case Message:
118 return rec->recipient.message;
119 case Amount:
120 return QVariant(static_cast<qlonglong>(rec->recipient.amount));
121 default:
122 return QVariant();
123 }
124 }
125 return QVariant();
126 }
127
128 bool RecentRequestsTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
129 {
130 return true;
131 }
132
133 QVariant RecentRequestsTableModel::headerData(int section, Qt::Orientation orientation, int role) const
134 {
135 if(orientation == Qt::Horizontal)
136 {
137 if(role == Qt::DisplayRole && section < columns.size())
138 {
139 return columns[section];
140 }
141 }
142 return QVariant();
143 }
144
145 /** Updates the column title to "Amount (DisplayUnit)" and emits headerDataChanged() signal for table headers to react. */
146 void RecentRequestsTableModel::updateAmountColumnTitle()
147 {
148 columns[Amount] = getAmountTitle();
149 Q_EMIT headerDataChanged(Qt::Horizontal,Amount,Amount);
150 }
151
152 /** Gets title for amount column including current display unit if optionsModel reference available. */
153 QString RecentRequestsTableModel::getAmountTitle()
154 {
155 if (!walletModel->getOptionsModel()) return {};
156 return tr("Requested") +
157 QLatin1String(" (") +
158 LimenkaUnits::shortName(this->walletModel->getOptionsModel()->getDisplayUnit()) +
159 QLatin1Char(')');
160 }
161
162 QModelIndex RecentRequestsTableModel::index(int row, int column, const QModelIndex &parent) const
163 {
164 Q_UNUSED(parent);
165
166 return createIndex(row, column);
167 }
168
169 bool RecentRequestsTableModel::removeRows(int row, int count, const QModelIndex &parent)
170 {
171 Q_UNUSED(parent);
172
173 if(count > 0 && row >= 0 && (row+count) <= list.size())
174 {
175 for (int i = 0; i < count; ++i)
176 {
177 const RecentRequestEntry* rec = &list[row+i];
178 if (!walletModel->wallet().setAddressReceiveRequest(DecodeDestination(rec->recipient.address.toStdString()), ToString(rec->id), ""))
179 return false;
180 }
181
182 beginRemoveRows(parent, row, row + count - 1);
183 list.erase(list.begin() + row, list.begin() + row + count);
184 endRemoveRows();
185 return true;
186 } else {
187 return false;
188 }
189 }
190
191 Qt::ItemFlags RecentRequestsTableModel::flags(const QModelIndex &index) const
192 {
193 return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
194 }
195
196 // called when adding a request from the GUI
197 void RecentRequestsTableModel::addNewRequest(const SendCoinsRecipient &recipient)
198 {
199 RecentRequestEntry newEntry;
200 newEntry.id = ++nReceiveRequestsMaxId;
201 newEntry.date = QDateTime::currentDateTime();
202 newEntry.recipient = recipient;
203
204 DataStream ss{};
205 ss << newEntry;
206
207 if (!walletModel->wallet().setAddressReceiveRequest(DecodeDestination(recipient.address.toStdString()), ToString(newEntry.id), ss.str()))
208 return;
209
210 addNewRequest(newEntry);
211 }
212
213 // called from ctor when loading from wallet
214 void RecentRequestsTableModel::addNewRequest(const std::string &recipient)
215 {
216 std::vector<uint8_t> data(recipient.begin(), recipient.end());
217 DataStream ss{data};
218
219 RecentRequestEntry entry;
220 ss >> entry;
221
222 if (entry.id == 0) // should not happen
223 return;
224
225 if (entry.id > nReceiveRequestsMaxId)
226 nReceiveRequestsMaxId = entry.id;
227
228 addNewRequest(entry);
229 }
230
231 // actually add to table in GUI
232 void RecentRequestsTableModel::addNewRequest(RecentRequestEntry &recipient)
233 {
234 beginInsertRows(QModelIndex(), 0, 0);
235 list.prepend(recipient);
236 endInsertRows();
237 }
238
239 void RecentRequestsTableModel::updateDisplayUnit()
240 {
241 updateAmountColumnTitle();
242 updateFontForMoney();
243 }
244
245 void RecentRequestsTableModel::updateFontForMoney()
246 {
247 Q_EMIT dataChanged(index(0, Amount), index(rowCount(QModelIndex()) - 1, Amount));
248 }
249
250 bool RecentRequestEntryLessThan::operator()(const RecentRequestEntry& left, const RecentRequestEntry& right) const
251 {
252 const RecentRequestEntry* pLeft = &left;
253 const RecentRequestEntry* pRight = &right;
254 if (order == Qt::DescendingOrder)
255 std::swap(pLeft, pRight);
256
257 switch(column)
258 {
259 case RecentRequestsTableModel::Date:
260 return pLeft->date.toSecsSinceEpoch() < pRight->date.toSecsSinceEpoch();
261 case RecentRequestsTableModel::Label:
262 return pLeft->recipient.label < pRight->recipient.label;
263 case RecentRequestsTableModel::Message:
264 return pLeft->recipient.message < pRight->recipient.message;
265 case RecentRequestsTableModel::Amount:
266 return pLeft->recipient.amount < pRight->recipient.amount;
267 default:
268 return pLeft->id < pRight->id;
269 }
270 }
271