src/qt/recentrequeststablemodel.h

   1 // Copyright (c) 2011-2016 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.
   4
   5 #ifndef BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
   6 #define BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H
   7
   8 #include "walletmodel.h"
   9
  10 #include <QAbstractTableModel>
  11 #include <QStringList>
  12 #include <QDateTime>
  13
  14 class CWallet;
  15
  16 class RecentRequestEntry
  17 {
  18 public:
  19     RecentRequestEntry() : nVersion(RecentRequestEntry::CURRENT_VERSION), id(0) { }
  20
  21     static const int CURRENT_VERSION = 1;
  22     int nVersion;
  23     int64_t id;
  24     QDateTime date;
  25     SendCoinsRecipient recipient;
  26
  27     ADD_SERIALIZE_METHODS;
  28
  29     template <typename Stream, typename Operation>
  30     inline void SerializationOp(Stream& s, Operation ser_action) {
  31         unsigned int nDate = date.toTime_t();
  32
  33         READWRITE(this->nVersion);
  34         READWRITE(id);
  35         READWRITE(nDate);
  36         READWRITE(recipient);
  37
  38         if (ser_action.ForRead())
  39             date = QDateTime::fromTime_t(nDate);
  40     }
  41 };
  42
  43 class RecentRequestEntryLessThan
  44 {
  45 public:
  46     RecentRequestEntryLessThan(int nColumn, Qt::SortOrder fOrder):
  47         column(nColumn), order(fOrder) {}
  48     bool operator()(RecentRequestEntry &left, RecentRequestEntry &right) const;
  49
  50 private:
  51     int column;
  52     Qt::SortOrder order;
  53 };
  54
  55 /** Model for list of recently generated payment requests / bitcoin: URIs.
  56  * Part of wallet model.
  57  */
  58 class RecentRequestsTableModel: public QAbstractTableModel
  59 {
  60     Q_OBJECT
  61
  62 public:
  63     explicit RecentRequestsTableModel(CWallet *wallet, WalletModel *parent);
  64     ~RecentRequestsTableModel();
  65
  66     enum ColumnIndex {
  67         Date = 0,
  68         Label = 1,
  69         Message = 2,
  70         Amount = 3,
  71         NUMBER_OF_COLUMNS
  72     };
  73
  74     /** @name Methods overridden from QAbstractTableModel
  75         @{*/
  76     int rowCount(const QModelIndex &parent) const;
  77     int columnCount(const QModelIndex &parent) const;
  78     QVariant data(const QModelIndex &index, int role) const;
  79     bool setData(const QModelIndex &index, const QVariant &value, int role);
  80     QVariant headerData(int section, Qt::Orientation orientation, int role) const;
  81     QModelIndex index(int row, int column, const QModelIndex &parent) const;
  82     bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
  83     Qt::ItemFlags flags(const QModelIndex &index) const;
  84     /*@}*/
  85
  86     const RecentRequestEntry &entry(int row) const { return list[row]; }
  87     void addNewRequest(const SendCoinsRecipient &recipient);
  88     void addNewRequest(const std::string &recipient);
  89     void addNewRequest(RecentRequestEntry &recipient);
  90
  91 public Q_SLOTS:
  92     void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);
  93     void updateDisplayUnit();
  94
  95 private:
  96     WalletModel *walletModel;
  97     QStringList columns;
  98     QList<RecentRequestEntry> list;
  99     int64_t nReceiveRequestsMaxId;
 100
 101     /** Updates the column title to "Amount (DisplayUnit)" and emits headerDataChanged() signal for table headers to react. */
 102     void updateAmountColumnTitle();
 103     /** Gets title for amount column including current display unit if optionsModel reference available. */
 104     QString getAmountTitle();
 105 };
 106
 107 #endif // BITCOIN_QT_RECENTREQUESTSTABLEMODEL_H