src/qt/addresstablemodel.cpp

   1 #include "addresstablemodel.h"
   2 #include "guiutil.h"
   3
   4 #include "headers.h"
   5
   6 #include <QFont>
   7 #include <QColor>
   8
   9 const QString AddressTableModel::Send = "S";
  10 const QString AddressTableModel::Receive = "R";
  11
  12 struct AddressTableEntry
  13 {
  14     enum Type {
  15         Sending,
  16         Receiving
  17     };
  18
  19     Type type;
  20     QString label;
  21     QString address;
  22
  23     AddressTableEntry() {}
  24     AddressTableEntry(Type type, const QString &label, const QString &address):
  25         type(type), label(label), address(address) {}
  26 };
  27
  28 // Private implementation
  29 struct AddressTablePriv
  30 {
  31     CWallet *wallet;
  32     QList<AddressTableEntry> cachedAddressTable;
  33
  34     AddressTablePriv(CWallet *wallet):
  35             wallet(wallet) {}
  36
  37     void refreshAddressTable()
  38     {
  39         cachedAddressTable.clear();
  40
  41         CRITICAL_BLOCK(wallet->cs_mapKeys)
  42         CRITICAL_BLOCK(wallet->cs_mapAddressBook)
  43         {
  44             BOOST_FOREACH(const PAIRTYPE(std::string, std::string)& item, wallet->mapAddressBook)
  45             {
  46                 std::string strAddress = item.first;
  47                 std::string strName = item.second;
  48                 uint160 hash160;
  49                 bool fMine = (AddressToHash160(strAddress, hash160) && mapPubKeys.count(hash160));
  50                 cachedAddressTable.append(AddressTableEntry(fMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending,
  51                                   QString::fromStdString(strName),
  52                                   QString::fromStdString(strAddress)));
  53             }
  54         }
  55     }
  56
  57     int size()
  58     {
  59         return cachedAddressTable.size();
  60     }
  61
  62     AddressTableEntry *index(int idx)
  63     {
  64         if(idx >= 0 && idx < cachedAddressTable.size())
  65         {
  66             return &cachedAddressTable[idx];
  67         }
  68         else
  69         {
  70             return 0;
  71         }
  72     }
  73 };
  74
  75 AddressTableModel::AddressTableModel(CWallet *wallet, QObject *parent) :
  76     QAbstractTableModel(parent),wallet(wallet),priv(0)
  77 {
  78     columns << tr("Label") << tr("Address");
  79     priv = new AddressTablePriv(wallet);
  80     priv->refreshAddressTable();
  81 }
  82
  83 AddressTableModel::~AddressTableModel()
  84 {
  85     delete priv;
  86 }
  87
  88 int AddressTableModel::rowCount(const QModelIndex &parent) const
  89 {
  90     Q_UNUSED(parent);
  91     return priv->size();
  92 }
  93
  94 int AddressTableModel::columnCount(const QModelIndex &parent) const
  95 {
  96     Q_UNUSED(parent);
  97     return columns.length();
  98 }
  99
 100 QVariant AddressTableModel::data(const QModelIndex &index, int role) const
 101 {
 102     if(!index.isValid())
 103         return QVariant();
 104
 105     AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
 106
 107     if(role == Qt::DisplayRole || role == Qt::EditRole)
 108     {
 109         switch(index.column())
 110         {
 111         case Label:
 112             if(rec->label.isEmpty() && role == Qt::DisplayRole)
 113             {
 114                 return tr("(no label)");
 115             }
 116             else
 117             {
 118                 return rec->label;
 119             }
 120         case Address:
 121             return rec->address;
 122         }
 123     }
 124     else if (role == Qt::FontRole)
 125     {
 126         QFont font;
 127         if(index.column() == Address)
 128         {
 129             font = GUIUtil::bitcoinAddressFont();
 130         }
 131         return font;
 132     }
 133     else if (role == TypeRole)
 134     {
 135         switch(rec->type)
 136         {
 137         case AddressTableEntry::Sending:
 138             return Send;
 139         case AddressTableEntry::Receiving:
 140             return Receive;
 141         default: break;
 142         }
 143     }
 144     return QVariant();
 145 }
 146
 147 bool AddressTableModel::setData(const QModelIndex & index, const QVariant & value, int role)
 148 {
 149     if(!index.isValid())
 150         return false;
 151     AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
 152
 153     if(role == Qt::EditRole)
 154     {
 155         switch(index.column())
 156         {
 157         case Label:
 158             wallet->SetAddressBookName(rec->address.toStdString(), value.toString().toStdString());
 159             rec->label = value.toString();
 160             break;
 161         case Address:
 162             // Refuse to set invalid address
 163             if(!validateAddress(value.toString()))
 164                 return false;
 165             // Double-check that we're not overwriting receiving address
 166             if(rec->type == AddressTableEntry::Sending)
 167             {
 168                 // Remove old entry
 169                 wallet->EraseAddressBookName(rec->address.toStdString());
 170                 // Add new entry with new address
 171                 wallet->SetAddressBookName(value.toString().toStdString(), rec->label.toStdString());
 172
 173                 rec->address = value.toString();
 174             }
 175             break;
 176         }
 177         emit dataChanged(index, index);
 178
 179         return true;
 180     }
 181     return false;
 182 }
 183
 184 QVariant AddressTableModel::headerData(int section, Qt::Orientation orientation, int role) const
 185 {
 186     if(orientation == Qt::Horizontal)
 187     {
 188         if(role == Qt::DisplayRole)
 189         {
 190             return columns[section];
 191         }
 192     }
 193     return QVariant();
 194 }
 195
 196 Qt::ItemFlags AddressTableModel::flags(const QModelIndex & index) const
 197 {
 198     if(!index.isValid())
 199         return 0;
 200     AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
 201
 202     Qt::ItemFlags retval = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
 203     // Can edit address and label for sending addresses,
 204     // and only label for receiving addresses.
 205     if(rec->type == AddressTableEntry::Sending ||
 206       (rec->type == AddressTableEntry::Receiving && index.column()==Label))
 207     {
 208         retval |= Qt::ItemIsEditable;
 209     }
 210     return retval;
 211 }
 212
 213 QModelIndex AddressTableModel::index(int row, int column, const QModelIndex & parent) const
 214 {
 215     Q_UNUSED(parent);
 216     AddressTableEntry *data = priv->index(row);
 217     if(data)
 218     {
 219         return createIndex(row, column, priv->index(row));
 220     }
 221     else
 222     {
 223         return QModelIndex();
 224     }
 225 }
 226
 227 void AddressTableModel::updateList()
 228 {
 229     // Update internal model from Bitcoin core
 230     beginResetModel();
 231     priv->refreshAddressTable();
 232     endResetModel();
 233 }
 234
 235 QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address)
 236 {
 237     std::string strLabel = label.toStdString();
 238     std::string strAddress = address.toStdString();
 239
 240     if(type == Send)
 241     {
 242         // Check for duplicate
 243         CRITICAL_BLOCK(wallet->cs_mapAddressBook)
 244         {
 245             if(wallet->mapAddressBook.count(strAddress))
 246             {
 247                 return QString();
 248             }
 249         }
 250     }
 251     else if(type == Receive)
 252     {
 253         // Generate a new address to associate with given label, optionally
 254         // set as default receiving address.
 255         strAddress = PubKeyToAddress(wallet->GetKeyFromKeyPool());
 256     }
 257     else
 258     {
 259         return QString();
 260     }
 261     // Add entry and update list
 262     wallet->SetAddressBookName(strAddress, strLabel);
 263     updateList();
 264     return QString::fromStdString(strAddress);
 265 }
 266
 267 bool AddressTableModel::removeRows(int row, int count, const QModelIndex & parent)
 268 {
 269     Q_UNUSED(parent);
 270     AddressTableEntry *rec = priv->index(row);
 271     if(count != 1 || !rec || rec->type == AddressTableEntry::Receiving)
 272     {
 273         // Can only remove one row at a time, and cannot remove rows not in model.
 274         // Also refuse to remove receiving addresses.
 275         return false;
 276     }
 277     wallet->EraseAddressBookName(rec->address.toStdString());
 278     updateList();
 279     return true;
 280 }
 281
 282 void AddressTableModel::update()
 283 {
 284
 285 }
 286
 287 bool AddressTableModel::validateAddress(const QString &address)
 288 {
 289     uint160 hash160 = 0;
 290
 291     return AddressToHash160(address.toStdString(), hash160);
 292 }