1 // Copyright (c) 2011-2014 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 #include "recentrequeststablemodel.h"
7 #include "bitcoinunits.h"
9 #include "optionsmodel.h"
11 #include "clientversion.h"
14 #include <boost/foreach.hpp>
16 RecentRequestsTableModel::RecentRequestsTableModel(CWallet *wallet, WalletModel *parent) :
20 nReceiveRequestsMaxId = 0;
22 // Load entries from wallet
23 std::vector<std::string> vReceiveRequests;
24 parent->loadReceiveRequests(vReceiveRequests);
25 BOOST_FOREACH(const std::string& request, vReceiveRequests)
26 addNewRequest(request);
28 /* These columns must match the indices in the ColumnIndex enumeration */
29 columns << tr("Date") << tr("Label") << tr("Message") << getAmountTitle();
31 connect(walletModel->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
34 RecentRequestsTableModel::~RecentRequestsTableModel()
36 /* Intentionally left empty */
39 int RecentRequestsTableModel::rowCount(const QModelIndex &parent) const
46 int RecentRequestsTableModel::columnCount(const QModelIndex &parent) const
50 return columns.length();
53 QVariant RecentRequestsTableModel::data(const QModelIndex &index, int role) const
55 if(!index.isValid() || index.row() >= list.length())
58 const RecentRequestEntry *rec = &list[index.row()];
60 if(role == Qt::DisplayRole || role == Qt::EditRole)
62 switch(index.column())
65 return GUIUtil::dateTimeStr(rec->date);
67 if(rec->recipient.label.isEmpty() && role == Qt::DisplayRole)
69 return tr("(no label)");
73 return rec->recipient.label;
76 if(rec->recipient.message.isEmpty() && role == Qt::DisplayRole)
78 return tr("(no message)");
82 return rec->recipient.message;
85 if (rec->recipient.amount == 0 && role == Qt::DisplayRole)
86 return tr("(no amount)");
87 else if (role == Qt::EditRole)
88 return BitcoinUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), rec->recipient.amount, false, BitcoinUnits::separatorNever);
90 return BitcoinUnits::format(walletModel->getOptionsModel()->getDisplayUnit(), rec->recipient.amount);
93 else if (role == Qt::TextAlignmentRole)
95 if (index.column() == Amount)
96 return (int)(Qt::AlignRight|Qt::AlignVCenter);
101 bool RecentRequestsTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
106 QVariant RecentRequestsTableModel::headerData(int section, Qt::Orientation orientation, int role) const
108 if(orientation == Qt::Horizontal)
110 if(role == Qt::DisplayRole && section < columns.size())
112 return columns[section];
118 /** Updates the column title to "Amount (DisplayUnit)" and emits headerDataChanged() signal for table headers to react. */
119 void RecentRequestsTableModel::updateAmountColumnTitle()
121 columns[Amount] = getAmountTitle();
122 Q_EMIT headerDataChanged(Qt::Horizontal,Amount,Amount);
125 /** Gets title for amount column including current display unit if optionsModel reference available. */
126 QString RecentRequestsTableModel::getAmountTitle()
128 QString amountTitle = tr("Amount");
129 if (this->walletModel->getOptionsModel() != NULL)
131 amountTitle += " ("+BitcoinUnits::name(this->walletModel->getOptionsModel()->getDisplayUnit()) + ")";
136 QModelIndex RecentRequestsTableModel::index(int row, int column, const QModelIndex &parent) const
140 return createIndex(row, column);
143 bool RecentRequestsTableModel::removeRows(int row, int count, const QModelIndex &parent)
147 if(count > 0 && row >= 0 && (row+count) <= list.size())
149 const RecentRequestEntry *rec;
150 for (int i = 0; i < count; ++i)
153 if (!walletModel->saveReceiveRequest(rec->recipient.address.toStdString(), rec->id, ""))
157 beginRemoveRows(parent, row, row + count - 1);
158 list.erase(list.begin() + row, list.begin() + row + count);
166 Qt::ItemFlags RecentRequestsTableModel::flags(const QModelIndex &index) const
168 return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
171 // called when adding a request from the GUI
172 void RecentRequestsTableModel::addNewRequest(const SendCoinsRecipient &recipient)
174 RecentRequestEntry newEntry;
175 newEntry.id = ++nReceiveRequestsMaxId;
176 newEntry.date = QDateTime::currentDateTime();
177 newEntry.recipient = recipient;
179 CDataStream ss(SER_DISK, CLIENT_VERSION);
182 if (!walletModel->saveReceiveRequest(recipient.address.toStdString(), newEntry.id, ss.str()))
185 addNewRequest(newEntry);
188 // called from ctor when loading from wallet
189 void RecentRequestsTableModel::addNewRequest(const std::string &recipient)
191 std::vector<char> data(recipient.begin(), recipient.end());
192 CDataStream ss(data, SER_DISK, CLIENT_VERSION);
194 RecentRequestEntry entry;
197 if (entry.id == 0) // should not happen
200 if (entry.id > nReceiveRequestsMaxId)
201 nReceiveRequestsMaxId = entry.id;
203 addNewRequest(entry);
206 // actually add to table in GUI
207 void RecentRequestsTableModel::addNewRequest(RecentRequestEntry &recipient)
209 beginInsertRows(QModelIndex(), 0, 0);
210 list.prepend(recipient);
214 void RecentRequestsTableModel::sort(int column, Qt::SortOrder order)
216 qSort(list.begin(), list.end(), RecentRequestEntryLessThan(column, order));
217 Q_EMIT dataChanged(index(0, 0, QModelIndex()), index(list.size() - 1, NUMBER_OF_COLUMNS - 1, QModelIndex()));
220 void RecentRequestsTableModel::updateDisplayUnit()
222 updateAmountColumnTitle();
225 bool RecentRequestEntryLessThan::operator()(RecentRequestEntry &left, RecentRequestEntry &right) const
227 RecentRequestEntry *pLeft = &left;
228 RecentRequestEntry *pRight = &right;
229 if (order == Qt::DescendingOrder)
230 std::swap(pLeft, pRight);
234 case RecentRequestsTableModel::Date:
235 return pLeft->date.toTime_t() < pRight->date.toTime_t();
236 case RecentRequestsTableModel::Label:
237 return pLeft->recipient.label < pRight->recipient.label;
238 case RecentRequestsTableModel::Message:
239 return pLeft->recipient.message < pRight->recipient.message;
240 case RecentRequestsTableModel::Amount:
241 return pLeft->recipient.amount < pRight->recipient.amount;
243 return pLeft->id < pRight->id;