455 lines
14 KiB
C++
455 lines
14 KiB
C++
// Copyright (c) 2011-2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "addresstablemodel.h"
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#include "guiutil.h"
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#include "walletmodel.h"
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#include "base58.h"
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#include "wallet/wallet.h"
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#include <boost/foreach.hpp>
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#include <QFont>
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#include <QDebug>
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const QString AddressTableModel::Send = "S";
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const QString AddressTableModel::Receive = "R";
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struct AddressTableEntry
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{
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enum Type {
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Sending,
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Receiving,
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Hidden /* QSortFilterProxyModel will filter these out */
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};
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Type type;
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QString label;
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QString address;
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AddressTableEntry() {}
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AddressTableEntry(Type _type, const QString &_label, const QString &_address):
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type(_type), label(_label), address(_address) {}
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};
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struct AddressTableEntryLessThan
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{
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bool operator()(const AddressTableEntry &a, const AddressTableEntry &b) const
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{
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return a.address < b.address;
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}
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bool operator()(const AddressTableEntry &a, const QString &b) const
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{
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return a.address < b;
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}
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bool operator()(const QString &a, const AddressTableEntry &b) const
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{
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return a < b.address;
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}
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};
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/* Determine address type from address purpose */
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static AddressTableEntry::Type translateTransactionType(const QString &strPurpose, bool isMine)
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{
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AddressTableEntry::Type addressType = AddressTableEntry::Hidden;
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// "refund" addresses aren't shown, and change addresses aren't in mapAddressBook at all.
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if (strPurpose == "send")
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addressType = AddressTableEntry::Sending;
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else if (strPurpose == "receive")
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addressType = AddressTableEntry::Receiving;
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else if (strPurpose == "unknown" || strPurpose == "") // if purpose not set, guess
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addressType = (isMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending);
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return addressType;
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}
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// Private implementation
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class AddressTablePriv
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{
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public:
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CWallet *wallet;
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QList<AddressTableEntry> cachedAddressTable;
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AddressTableModel *parent;
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AddressTablePriv(CWallet *_wallet, AddressTableModel *_parent):
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wallet(_wallet), parent(_parent) {}
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void refreshAddressTable()
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{
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cachedAddressTable.clear();
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{
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LOCK(wallet->cs_wallet);
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BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, wallet->mapAddressBook)
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{
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const CBitcoinAddress& address = item.first;
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bool fMine = IsMine(*wallet, address.Get());
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AddressTableEntry::Type addressType = translateTransactionType(
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QString::fromStdString(item.second.purpose), fMine);
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const std::string& strName = item.second.name;
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cachedAddressTable.append(AddressTableEntry(addressType,
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QString::fromStdString(strName),
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QString::fromStdString(address.ToString())));
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}
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}
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// qLowerBound() and qUpperBound() require our cachedAddressTable list to be sorted in asc order
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// Even though the map is already sorted this re-sorting step is needed because the originating map
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// is sorted by binary address, not by base58() address.
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qSort(cachedAddressTable.begin(), cachedAddressTable.end(), AddressTableEntryLessThan());
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}
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void updateEntry(const QString &address, const QString &label, bool isMine, const QString &purpose, int status)
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{
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// Find address / label in model
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QList<AddressTableEntry>::iterator lower = qLowerBound(
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cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
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QList<AddressTableEntry>::iterator upper = qUpperBound(
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cachedAddressTable.begin(), cachedAddressTable.end(), address, AddressTableEntryLessThan());
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int lowerIndex = (lower - cachedAddressTable.begin());
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int upperIndex = (upper - cachedAddressTable.begin());
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bool inModel = (lower != upper);
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AddressTableEntry::Type newEntryType = translateTransactionType(purpose, isMine);
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switch(status)
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{
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case CT_NEW:
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if(inModel)
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{
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qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_NEW, but entry is already in model";
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break;
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}
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parent->beginInsertRows(QModelIndex(), lowerIndex, lowerIndex);
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cachedAddressTable.insert(lowerIndex, AddressTableEntry(newEntryType, label, address));
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parent->endInsertRows();
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break;
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case CT_UPDATED:
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if(!inModel)
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{
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qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_UPDATED, but entry is not in model";
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break;
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}
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lower->type = newEntryType;
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lower->label = label;
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parent->emitDataChanged(lowerIndex);
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break;
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case CT_DELETED:
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if(!inModel)
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{
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qWarning() << "AddressTablePriv::updateEntry: Warning: Got CT_DELETED, but entry is not in model";
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break;
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}
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parent->beginRemoveRows(QModelIndex(), lowerIndex, upperIndex-1);
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cachedAddressTable.erase(lower, upper);
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parent->endRemoveRows();
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break;
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}
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}
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int size()
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{
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return cachedAddressTable.size();
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}
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AddressTableEntry *index(int idx)
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{
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if(idx >= 0 && idx < cachedAddressTable.size())
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{
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return &cachedAddressTable[idx];
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}
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else
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{
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return 0;
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}
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}
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};
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AddressTableModel::AddressTableModel(CWallet *_wallet, WalletModel *parent) :
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QAbstractTableModel(parent),walletModel(parent),wallet(_wallet),priv(0)
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{
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columns << tr("Label") << tr("Address");
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priv = new AddressTablePriv(wallet, this);
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priv->refreshAddressTable();
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}
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AddressTableModel::~AddressTableModel()
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{
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delete priv;
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}
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int AddressTableModel::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return priv->size();
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}
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int AddressTableModel::columnCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return columns.length();
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}
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QVariant AddressTableModel::data(const QModelIndex &index, int role) const
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{
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if(!index.isValid())
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return QVariant();
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AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
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if(role == Qt::DisplayRole || role == Qt::EditRole)
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{
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switch(index.column())
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{
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case Label:
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if(rec->label.isEmpty() && role == Qt::DisplayRole)
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{
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return tr("(no label)");
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}
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else
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{
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return rec->label;
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}
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case Address:
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return rec->address;
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}
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}
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else if (role == Qt::FontRole)
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{
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QFont font;
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if(index.column() == Address)
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{
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font = GUIUtil::fixedPitchFont();
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}
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return font;
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}
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else if (role == TypeRole)
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{
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switch(rec->type)
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{
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case AddressTableEntry::Sending:
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return Send;
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case AddressTableEntry::Receiving:
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return Receive;
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default: break;
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}
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}
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return QVariant();
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}
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bool AddressTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if(!index.isValid())
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return false;
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AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
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std::string strPurpose = (rec->type == AddressTableEntry::Sending ? "send" : "receive");
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editStatus = OK;
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if(role == Qt::EditRole)
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{
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LOCK(wallet->cs_wallet); /* For SetAddressBook / DelAddressBook */
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CTxDestination curAddress = CBitcoinAddress(rec->address.toStdString()).Get();
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if(index.column() == Label)
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{
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// Do nothing, if old label == new label
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if(rec->label == value.toString())
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{
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editStatus = NO_CHANGES;
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return false;
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}
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wallet->SetAddressBook(curAddress, value.toString().toStdString(), strPurpose);
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} else if(index.column() == Address) {
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CTxDestination newAddress = CBitcoinAddress(value.toString().toStdString()).Get();
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// Refuse to set invalid address, set error status and return false
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if(boost::get<CNoDestination>(&newAddress))
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{
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editStatus = INVALID_ADDRESS;
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return false;
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}
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// Do nothing, if old address == new address
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else if(newAddress == curAddress)
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{
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editStatus = NO_CHANGES;
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return false;
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}
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// Check for duplicate addresses to prevent accidental deletion of addresses, if you try
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// to paste an existing address over another address (with a different label)
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else if(wallet->mapAddressBook.count(newAddress))
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{
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editStatus = DUPLICATE_ADDRESS;
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return false;
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}
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// Double-check that we're not overwriting a receiving address
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else if(rec->type == AddressTableEntry::Sending)
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{
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// Remove old entry
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wallet->DelAddressBook(curAddress);
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// Add new entry with new address
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wallet->SetAddressBook(newAddress, rec->label.toStdString(), strPurpose);
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}
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}
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return true;
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}
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return false;
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}
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QVariant AddressTableModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if(orientation == Qt::Horizontal)
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{
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if(role == Qt::DisplayRole && section < columns.size())
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{
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return columns[section];
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}
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}
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return QVariant();
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}
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Qt::ItemFlags AddressTableModel::flags(const QModelIndex &index) const
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{
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if(!index.isValid())
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return 0;
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AddressTableEntry *rec = static_cast<AddressTableEntry*>(index.internalPointer());
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Qt::ItemFlags retval = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
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// Can edit address and label for sending addresses,
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// and only label for receiving addresses.
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if(rec->type == AddressTableEntry::Sending ||
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(rec->type == AddressTableEntry::Receiving && index.column()==Label))
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{
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retval |= Qt::ItemIsEditable;
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}
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return retval;
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}
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QModelIndex AddressTableModel::index(int row, int column, const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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AddressTableEntry *data = priv->index(row);
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if(data)
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{
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return createIndex(row, column, priv->index(row));
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}
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else
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{
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return QModelIndex();
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}
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}
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void AddressTableModel::updateEntry(const QString &address,
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const QString &label, bool isMine, const QString &purpose, int status)
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{
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// Update address book model from Bitcoin core
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priv->updateEntry(address, label, isMine, purpose, status);
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}
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QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address)
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{
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std::string strLabel = label.toStdString();
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std::string strAddress = address.toStdString();
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editStatus = OK;
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if(type == Send)
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{
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if(!walletModel->validateAddress(address))
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{
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editStatus = INVALID_ADDRESS;
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return QString();
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}
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// Check for duplicate addresses
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{
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LOCK(wallet->cs_wallet);
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if(wallet->mapAddressBook.count(CBitcoinAddress(strAddress).Get()))
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{
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editStatus = DUPLICATE_ADDRESS;
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return QString();
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}
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}
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}
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else if(type == Receive)
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{
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// Generate a new address to associate with given label
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CPubKey newKey;
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if(!wallet->GetKeyFromPool(newKey))
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{
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WalletModel::UnlockContext ctx(walletModel->requestUnlock());
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if(!ctx.isValid())
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{
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// Unlock wallet failed or was cancelled
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editStatus = WALLET_UNLOCK_FAILURE;
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return QString();
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}
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if(!wallet->GetKeyFromPool(newKey))
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{
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editStatus = KEY_GENERATION_FAILURE;
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return QString();
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}
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}
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strAddress = CBitcoinAddress(newKey.GetID()).ToString();
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}
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else
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{
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return QString();
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}
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// Add entry
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{
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LOCK(wallet->cs_wallet);
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wallet->SetAddressBook(CBitcoinAddress(strAddress).Get(), strLabel,
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(type == Send ? "send" : "receive"));
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}
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return QString::fromStdString(strAddress);
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}
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bool AddressTableModel::removeRows(int row, int count, const QModelIndex &parent)
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{
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Q_UNUSED(parent);
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AddressTableEntry *rec = priv->index(row);
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if(count != 1 || !rec || rec->type == AddressTableEntry::Receiving)
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{
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// Can only remove one row at a time, and cannot remove rows not in model.
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// Also refuse to remove receiving addresses.
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return false;
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}
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{
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LOCK(wallet->cs_wallet);
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wallet->DelAddressBook(CBitcoinAddress(rec->address.toStdString()).Get());
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}
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return true;
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}
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/* Look up label for address in address book, if not found return empty string.
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*/
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QString AddressTableModel::labelForAddress(const QString &address) const
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{
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{
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LOCK(wallet->cs_wallet);
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CBitcoinAddress address_parsed(address.toStdString());
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std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(address_parsed.Get());
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if (mi != wallet->mapAddressBook.end())
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{
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return QString::fromStdString(mi->second.name);
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}
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}
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return QString();
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}
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int AddressTableModel::lookupAddress(const QString &address) const
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{
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QModelIndexList lst = match(index(0, Address, QModelIndex()),
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Qt::EditRole, address, 1, Qt::MatchExactly);
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if(lst.isEmpty())
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{
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return -1;
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}
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else
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{
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return lst.at(0).row();
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}
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}
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void AddressTableModel::emitDataChanged(int idx)
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{
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Q_EMIT dataChanged(index(idx, 0, QModelIndex()), index(idx, columns.length()-1, QModelIndex()));
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}
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