text: // Copyright (c) 2011-2015 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include "transactionview.h"
  
  #include "addresstablemodel.h"
  #include "bitcoinunits.h"
  #include "csvmodelwriter.h"
  #include "editaddressdialog.h"
  #include "guiutil.h"
  #include "optionsmodel.h"
  #include "platformstyle.h"
  #include "transactiondescdialog.h"
  #include "transactionfilterproxy.h"
  #include "transactionrecord.h"
  #include "transactiontablemodel.h"
  #include "walletmodel.h"
  
  #include "ui_transactionview.h"
  #include "ui_interface.h"
  
  #include <QGraphicsDropShadowEffect>
  #include <QComboBox>
  #include <QDateTimeEdit>
  #include <QDesktopServices>
  #include <QDoubleValidator>
  #include <QHBoxLayout>
  #include <QHeaderView>
  #include <QLabel>
  #include <QLineEdit>
  #include <QMenu>
  #include <QPoint>
  #include <QScrollBar>
  #include <QSignalMapper>
  #include <QTableView>
  #include <QUrl>
  #include <QVBoxLayout>
  
  TransactionView::TransactionView(const PlatformStyle *platformStyle, QWidget *parent) :
  QWidget(parent), ui(new Ui::TransactionView), model(0), transactionProxyModel(0),
  transactionView(0), abandonAction(0), columnResizingFixer(0)
  {
      
      ui->setupUi(this);
      statusBar = ui->statusBar;
      statusText = ui->statusText;
      priceBTC = ui->priceBTC;
      priceUSD = ui->priceUSD;
      exportButton = ui->exportButton;
      
      
      //effect->setColor(QColor(247, 247, 247, 25));
      //setGraphicsEffect(effect);
      
      
      
      dateWidget = ui->dateWidget;
      ui->dateWidget->addItem(tr("All"), All);
      ui->dateWidget->addItem(tr("Today"), Today);
      ui->dateWidget->addItem(tr("This week"), ThisWeek);
      ui->dateWidget->addItem(tr("This month"), ThisMonth);
      ui->dateWidget->addItem(tr("Last month"), LastMonth);
      ui->dateWidget->addItem(tr("This year"), ThisYear);
      //ui->dateWidget->addItem(tr("Range..."), Range);
      //ui->dateWidget->setStyleSheet("font-size: 14px;border: 1px solid #D3D3D3;border-radius: 2px;padding: 8px;color: #333;");
      //dateWidget->setGraphicsEffect(effect);
      
      typeWidget = ui->typeWidget;
      ui->typeWidget->addItem(tr("All"), TransactionFilterProxy::ALL_TYPES);
      ui->typeWidget->addItem(tr("Received with"), TransactionFilterProxy::TYPE(TransactionRecord::RecvWithAddress) |
                              TransactionFilterProxy::TYPE(TransactionRecord::RecvFromOther));
      ui->typeWidget->addItem(tr("Sent to"), TransactionFilterProxy::TYPE(TransactionRecord::SendToAddress) |
                              TransactionFilterProxy::TYPE(TransactionRecord::SendToOther));
      ui->typeWidget->addItem(tr("To yourself"), TransactionFilterProxy::TYPE(TransactionRecord::SendToSelf));
      ui->typeWidget->addItem(tr("Mined"), TransactionFilterProxy::TYPE(TransactionRecord::Generated));
      ui->typeWidget->addItem(tr("Other"), TransactionFilterProxy::TYPE(TransactionRecord::Other));
      //ui->typeWidget->setStyleSheet("font-size: 14px;border: 1px solid #D3D3D3;border-radius: 2px;padding: 8px;color: #333;");
      //typeWidget->setGraphicsEffect(effect);
  
      addressWidget = ui->addressWidget;
      ui->addressWidget->setFixedHeight(40);
      //ui->addressWidget->setStyleSheet("font-size: 14px;");
      //addressWidget->setGraphicsEffect(effect);
      
      amountWidget = ui->amountWidget;
      //amountWidget->setGraphicsEffect(effect);
      amountWidget->setValidator(new QDoubleValidator(0, 1e20, 8, this));
      
  
      QTableView *view = ui->tableView;
      view->setContextMenuPolicy(Qt::CustomContextMenu);
      view->setShowGrid(false);
      view->setTabKeyNavigation(false);
      view->setAlternatingRowColors(true);
      view->setSelectionMode(QAbstractItemView::SingleSelection);
      view->setSelectionBehavior(QAbstractItemView::SelectRows);
      view->setSortingEnabled(true);
      view->verticalHeader()->setVisible(false);
      view->horizontalHeader()->setFixedHeight(50);
      //view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
      view->setTabKeyNavigation(false);
      view->setContextMenuPolicy(Qt::CustomContextMenu);
      //view->setGraphicsEffect(effect);
      transactionView = ui->tableView;
  
      
      abandonAction = new QAction(tr("Abandon transaction"), this);
      resendAction = new QAction(tr("Re-broadcast transaction"), this);
  
      QAction *copyAddressAction = new QAction(tr("Copy address"), this);
      QAction *copyLabelAction = new QAction(tr("Copy label"), this);
      QAction *copyAmountAction = new QAction(tr("Copy amount"), this);
      QAction *copyTxIDAction = new QAction(tr("Copy transaction ID"), this);
      QAction *copyTxHexAction = new QAction(tr("Copy raw transaction"), this);
      QAction *copyTxPlainText = new QAction(tr("Copy full transaction details"), this);
      QAction *editLabelAction = new QAction(tr("Edit label"), this);
      QAction *showDetailsAction = new QAction(tr("Show transaction details"), this);
  
      contextMenu = new QMenu(this);
      contextMenu->addAction(copyAddressAction);
      contextMenu->addAction(copyLabelAction);
      contextMenu->addAction(copyAmountAction);
      contextMenu->addAction(copyTxIDAction);
      contextMenu->addAction(copyTxHexAction);
      contextMenu->addAction(copyTxPlainText);
      contextMenu->addAction(showDetailsAction);
      contextMenu->addSeparator();
      contextMenu->addAction(abandonAction);
      contextMenu->addAction(editLabelAction);
      contextMenu->addAction(resendAction);
  
      mapperThirdPartyTxUrls = new QSignalMapper(this);
  
      // Connect actions
      connect(mapperThirdPartyTxUrls, SIGNAL(mapped(QString)), this, SLOT(openThirdPartyTxUrl(QString)));
  
      connect(dateWidget, SIGNAL(activated(int)), this, SLOT(chooseDate(int)));
      connect(typeWidget, SIGNAL(activated(int)), this, SLOT(chooseType(int)));
      //connect(watchOnlyWidget, SIGNAL(activated(int)), this, SLOT(chooseWatchonly(int)));
      connect(addressWidget, SIGNAL(textChanged(QString)), this, SLOT(changedPrefix(QString)));
      connect(amountWidget, SIGNAL(textChanged(QString)), this, SLOT(changedAmount(QString)));
  
      connect(view, SIGNAL(doubleClicked(QModelIndex)), this, SIGNAL(doubleClicked(QModelIndex)));
      connect(view, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextualMenu(QPoint)));
  
      connect(abandonAction, SIGNAL(triggered()), this, SLOT(abandonTx()));
      connect(copyAddressAction, SIGNAL(triggered()), this, SLOT(copyAddress()));
      connect(copyLabelAction, SIGNAL(triggered()), this, SLOT(copyLabel()));
      connect(copyAmountAction, SIGNAL(triggered()), this, SLOT(copyAmount()));
      connect(copyTxIDAction, SIGNAL(triggered()), this, SLOT(copyTxID()));
      connect(copyTxHexAction, SIGNAL(triggered()), this, SLOT(copyTxHex()));
      connect(copyTxPlainText, SIGNAL(triggered()), this, SLOT(copyTxPlainText()));
      connect(editLabelAction, SIGNAL(triggered()), this, SLOT(editLabel()));
      connect(showDetailsAction, SIGNAL(triggered()), this, SLOT(showDetails()));
      connect(resendAction, SIGNAL(triggered()), this, SLOT(rebroadcastTx()));
  }
  
  void TransactionView::setModel(WalletModel *model)
  {
      this->model = model;
      if(model)
      {
          transactionProxyModel = new TransactionFilterProxy(this);
          transactionProxyModel->setSourceModel(model->getTransactionTableModel());
          transactionProxyModel->setDynamicSortFilter(true);
          transactionProxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
          transactionProxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
  
          transactionProxyModel->setSortRole(Qt::EditRole);
  
          transactionView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
          transactionView->setModel(transactionProxyModel);
          transactionView->setAlternatingRowColors(true);
          transactionView->setSelectionBehavior(QAbstractItemView::SelectRows);
          transactionView->setSelectionMode(QAbstractItemView::ExtendedSelection);
          transactionView->setSortingEnabled(true);
          transactionView->sortByColumn(TransactionTableModel::Date, Qt::DescendingOrder);
          transactionView->verticalHeader()->hide();
          transactionView->horizontalHeader()->setVisible(true);
  
          transactionView->setColumnWidth(TransactionTableModel::Status, STATUS_COLUMN_WIDTH);
          transactionView->setColumnWidth(TransactionTableModel::Watchonly, WATCHONLY_COLUMN_WIDTH);
          transactionView->setColumnWidth(TransactionTableModel::Date, DATE_COLUMN_WIDTH);
          transactionView->setColumnWidth(TransactionTableModel::Type, TYPE_COLUMN_WIDTH);
          transactionView->setColumnWidth(TransactionTableModel::Amount, AMOUNT_MINIMUM_COLUMN_WIDTH);
  
          columnResizingFixer = new GUIUtil::TableViewLastColumnResizingFixer(transactionView, AMOUNT_MINIMUM_COLUMN_WIDTH, MINIMUM_COLUMN_WIDTH, this);
  
          if (model->getOptionsModel())
          {
              // Add third party transaction URLs to context menu
              QStringList listUrls = model->getOptionsModel()->getThirdPartyTxUrls().split("|", QString::SkipEmptyParts);
              for (int i = 0; i < listUrls.size(); ++i)
              {
                  QString host = QUrl(listUrls[i].trimmed(), QUrl::StrictMode).host();
                  if (!host.isEmpty())
                  {
                      QAction *thirdPartyTxUrlAction = new QAction(host, this); // use host as menu item label
                      if (i == 0)
                          contextMenu->addSeparator();
                      contextMenu->addAction(thirdPartyTxUrlAction);
                      connect(thirdPartyTxUrlAction, SIGNAL(triggered()), mapperThirdPartyTxUrls, SLOT(map()));
                      mapperThirdPartyTxUrls->setMapping(thirdPartyTxUrlAction, listUrls[i].trimmed());
                  }
              }
          }
  
          // show/hide column Watch-only
          //updateWatchOnlyColumn(model->haveWatchOnly());
          
          // Watch-only signal
          //connect(model, SIGNAL(notifyWatchonlyChanged(bool)), this, SLOT(updateWatchOnlyColumn(bool)));
          QGraphicsDropShadowEffect* effect0 = new QGraphicsDropShadowEffect();
          effect0->setOffset(0);
          effect0->setBlurRadius(10.0);
          QGraphicsDropShadowEffect* effect1 = new QGraphicsDropShadowEffect();
          effect1->setOffset(0);
          effect1->setBlurRadius(10.0);
          QGraphicsDropShadowEffect* effect2 = new QGraphicsDropShadowEffect();
          effect2->setOffset(0);
          effect2->setBlurRadius(10.0);
          QGraphicsDropShadowEffect* effect3 = new QGraphicsDropShadowEffect();
          effect3->setOffset(0);
          effect3->setBlurRadius(10.0);
          QGraphicsDropShadowEffect* effect4 = new QGraphicsDropShadowEffect();
          effect4->setOffset(0);
          effect4->setBlurRadius(20.0);
  
          ui->frame_4->setGraphicsEffect(effect4);
          ui->frame_2->setGraphicsEffect(effect1);
          ui->frame_3->setGraphicsEffect(effect2);
          ui->frame_5->setGraphicsEffect(effect3);
          ui->frame_6->setGraphicsEffect(effect0);
  
          //transactionView->horizontalHeader()->setStyleSheet("QHeaderView::section {border: none; background-color: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 #121646, stop: 1 #321172) ; color: white; font-size: 12pt;} QHeaderView::section:last {border: none; background-color: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 #321172, stop: 1 #510c9f);  color: white; font-size: 12pt;} ");
          transactionView->horizontalHeader()->setStyleSheet("QHeaderView::section {height:50; border: none; background-color: #321172; color: white; font-size: 12pt \"ZoinRegular\"; padding-left: 10; padding-right:10; } QHeaderView::down-arrow { image: url(:/icons/txdown); width: 8px; height: 8px; } QHeaderView::up-arrow { image: url(:/icons/txup); width: 8px; height: 8px; } ");
  
  
      }
  }
  
  void TransactionView::chooseDate(int idx)
  {
      if(!transactionProxyModel)
          return;
      QDate current = QDate::currentDate();
      //dateRangeWidget->setVisible(false);
      switch(ui->dateWidget->itemData(idx).toInt())
      {
      case All:
          transactionProxyModel->setDateRange(
                  TransactionFilterProxy::MIN_DATE,
                  TransactionFilterProxy::MAX_DATE);
          break;
      case Today:
          transactionProxyModel->setDateRange(
                  QDateTime(current),
                  TransactionFilterProxy::MAX_DATE);
          break;
      case ThisWeek: {
          // Find last Monday
          QDate startOfWeek = current.addDays(-(current.dayOfWeek()-1));
          transactionProxyModel->setDateRange(
                  QDateTime(startOfWeek),
                  TransactionFilterProxy::MAX_DATE);
  
          } break;
      case ThisMonth:
          transactionProxyModel->setDateRange(
                  QDateTime(QDate(current.year(), current.month(), 1)),
                  TransactionFilterProxy::MAX_DATE);
          break;
      case LastMonth:
          transactionProxyModel->setDateRange(
                  QDateTime(QDate(current.year(), current.month(), 1).addMonths(-1)),
                  QDateTime(QDate(current.year(), current.month(), 1)));
          break;
      case ThisYear:
          transactionProxyModel->setDateRange(
                  QDateTime(QDate(current.year(), 1, 1)),
                  TransactionFilterProxy::MAX_DATE);
          break;
      case Range:
          //dateRangeWidget->setVisible(true);
          dateRangeChanged();
          break;
      }
  }
  
  void TransactionView::chooseType(int idx)
  {
      if(!transactionProxyModel)
          return;
      transactionProxyModel->setTypeFilter(
          ui->typeWidget->itemData(idx).toInt());
  }
  
  void TransactionView::chooseWatchonly(int idx)
  {
      if(!transactionProxyModel)
          return;
      transactionProxyModel->setWatchOnlyFilter(
          (TransactionFilterProxy::WatchOnlyFilter)watchOnlyWidget->itemData(idx).toInt());
  }
  
  void TransactionView::changedPrefix(const QString &prefix)
  {
      if(!transactionProxyModel)
          return;
      transactionProxyModel->setAddressPrefix(prefix);
  }
  
  void TransactionView::changedAmount(const QString &amount)
  {
      if(!transactionProxyModel)
          return;
      CAmount amount_parsed = 0;
      if(BitcoinUnits::parse(model->getOptionsModel()->getDisplayUnit(), amount, &amount_parsed))
      {
          transactionProxyModel->setMinAmount(amount_parsed);
      }
      else
      {
          transactionProxyModel->setMinAmount(0);
      }
  }
  
  void TransactionView::exportClicked()
  {
      // CSV is currently the only supported format
      QString filename = GUIUtil::getSaveFileName(this,
          tr("Export Transaction History"), QString(),
          tr("Comma separated file (*.csv)"), NULL);
  
      if (filename.isNull())
          return;
  
      CSVModelWriter writer(filename);
  
      // name, column, role
      writer.setModel(transactionProxyModel);
      writer.addColumn(tr("Confirmed"), 0, TransactionTableModel::ConfirmedRole);
      if (model && model->haveWatchOnly())
          writer.addColumn(tr("Watch-only"), TransactionTableModel::Watchonly);
      writer.addColumn(tr("Date"), 0, TransactionTableModel::DateRole);
      writer.addColumn(tr("Type"), TransactionTableModel::Type, Qt::EditRole);
      writer.addColumn(tr("Label"), 0, TransactionTableModel::LabelRole);
      writer.addColumn(tr("Address"), 0, TransactionTableModel::AddressRole);
      writer.addColumn(BitcoinUnits::getAmountColumnTitle(model->getOptionsModel()->getDisplayUnit()), 0, TransactionTableModel::FormattedAmountRole);
      writer.addColumn(tr("ID"), 0, TransactionTableModel::TxIDRole);
  
      if(!writer.write()) {
          Q_EMIT message(tr("Exporting Failed"), tr("There was an error trying to save the transaction history to %1.").arg(filename),
              CClientUIInterface::MSG_ERROR);
      }
      else {
          Q_EMIT message(tr("Exporting Successful"), tr("The transaction history was successfully saved to %1.").arg(filename),
              CClientUIInterface::MSG_INFORMATION);
      }
  }
  
  void TransactionView::contextualMenu(const QPoint &point)
  {
      QModelIndex index = transactionView->indexAt(point);
      QModelIndexList selection = transactionView->selectionModel()->selectedRows(0);
      if (selection.empty())
          return;
  
      // check if transaction can be abandoned, disable context menu action in case it doesn't
      uint256 hash;
      hash.SetHex(selection.at(0).data(TransactionTableModel::TxHashRole).toString().toStdString());
      abandonAction->setEnabled(model->transactionCanBeAbandoned(hash));
      resendAction->setEnabled(model->transactionCanBeRebroadcast(hash));
  
      if(index.isValid())
      {
          contextMenu->exec(QCursor::pos());
      }
  }
  
  void TransactionView::abandonTx()
  {
      if(!transactionView || !transactionView->selectionModel())
          return;
      QModelIndexList selection = transactionView->selectionModel()->selectedRows(0);
  
      // get the hash from the TxHashRole (QVariant / QString)
      uint256 hash;
      QString hashQStr = selection.at(0).data(TransactionTableModel::TxHashRole).toString();
      hash.SetHex(hashQStr.toStdString());
  
      // Abandon the wallet transaction over the walletModel
      model->abandonTransaction(hash);
  
      // Update the table
      model->getTransactionTableModel()->updateTransaction(hashQStr, CT_UPDATED, false);
  }
  
  void TransactionView::rebroadcastTx()
  {
      if(!transactionView || !transactionView->selectionModel())
          return;
      QModelIndexList selection = transactionView->selectionModel()->selectedRows(0);
  
      // get the hash from the TxHashRole (QVariant / QString)
      uint256 hash;
      QString hashQStr = selection.at(0).data(TransactionTableModel::TxHashRole).toString();
      hash.SetHex(hashQStr.toStdString());
  
      if (model->rebroadcastTransaction(hash))
          Q_EMIT message(tr("Re-broadcast"), tr("Broadcast succeeded"), CClientUIInterface::MSG_INFORMATION);
      else
          Q_EMIT message(tr("Re-broadcast"), tr("There was an error trying to broadcast the message"),
              CClientUIInterface::MSG_ERROR);
  
      // Update the table
      model->getTransactionTableModel()->updateTransaction(hashQStr, CT_UPDATED, true);
  }
  
  void TransactionView::copyAddress()
  {
      GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::AddressRole);
  }
  
  void TransactionView::copyLabel()
  {
      GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::LabelRole);
  }
  
  void TransactionView::copyAmount()
  {
      GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::FormattedAmountRole);
  }
  
  void TransactionView::copyTxID()
  {
      GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::TxIDRole);
  }
  
  void TransactionView::copyTxHex()
  {
      GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::TxHexRole);
  }
  
  void TransactionView::copyTxPlainText()
  {
      GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::TxPlainTextRole);
  }
  
  void TransactionView::editLabel()
  {
      if(!transactionView->selectionModel() ||!model)
          return;
      QModelIndexList selection = transactionView->selectionModel()->selectedRows();
      if(!selection.isEmpty())
      {
          AddressTableModel *addressBook = model->getAddressTableModel();
          if(!addressBook)
              return;
          QString address = selection.at(0).data(TransactionTableModel::AddressRole).toString();
          if(address.isEmpty())
          {
              // If this transaction has no associated address, exit
              return;
          }
          // Is address in address book? Address book can miss address when a transaction is
          // sent from outside the UI.
          int idx = addressBook->lookupAddress(address);
          if(idx != -1)
          {
              // Edit sending / receiving address
              QModelIndex modelIdx = addressBook->index(idx, 0, QModelIndex());
              // Determine type of address, launch appropriate editor dialog type
              QString type = modelIdx.data(AddressTableModel::TypeRole).toString();
  
              EditAddressDialog dlg(
                  type == AddressTableModel::Receive
                  ? EditAddressDialog::EditReceivingAddress
                  : EditAddressDialog::EditSendingAddress, this);
              dlg.setModel(addressBook);
              dlg.loadRow(idx);
              dlg.exec();
          }
          else
          {
              // Add sending address
              EditAddressDialog dlg(EditAddressDialog::NewSendingAddress,
                  this);
              dlg.setModel(addressBook);
              dlg.setAddress(address);
              dlg.exec();
          }
      }
  }
  
  void TransactionView::showDetails()
  {
      if(!transactionView->selectionModel())
          return;
      QModelIndexList selection = transactionView->selectionModel()->selectedRows();
      if(!selection.isEmpty())
      {
          TransactionDescDialog *dlg = new TransactionDescDialog(selection.at(0));
          dlg->setAttribute(Qt::WA_DeleteOnClose);
          dlg->show();
      }
  }
  
  void TransactionView::openThirdPartyTxUrl(QString url)
  {
      if(!transactionView || !transactionView->selectionModel())
          return;
      QModelIndexList selection = transactionView->selectionModel()->selectedRows(0);
      if(!selection.isEmpty())
          QDesktopServices::openUrl(QUrl::fromUserInput(url.replace("%s", selection.at(0).data(TransactionTableModel::TxHashRole).toString())));
  }
  
  QWidget *TransactionView::createDateRangeWidget()
  {
      dateRangeWidget = new QFrame();
      dateRangeWidget->setFrameStyle(QFrame::Panel | QFrame::Raised);
      dateRangeWidget->setContentsMargins(1,1,1,1);
      QHBoxLayout *layout = new QHBoxLayout(dateRangeWidget);
      layout->setContentsMargins(0,0,0,0);
      layout->addSpacing(23);
      layout->addWidget(new QLabel(tr("Range:")));
  
      dateFrom = new QDateTimeEdit(this);
      dateFrom->setDisplayFormat("dd/MM/yy");
      dateFrom->setCalendarPopup(true);
      dateFrom->setMinimumWidth(100);
      dateFrom->setDate(QDate::currentDate().addDays(-7));
      layout->addWidget(dateFrom);
      layout->addWidget(new QLabel(tr("to")));
  
      dateTo = new QDateTimeEdit(this);
      dateTo->setDisplayFormat("dd/MM/yy");
      dateTo->setCalendarPopup(true);
      dateTo->setMinimumWidth(100);
      dateTo->setDate(QDate::currentDate());
      layout->addWidget(dateTo);
      layout->addStretch();
  
      // Hide by default
      dateRangeWidget->setVisible(false);
  
      // Notify on change
      connect(dateFrom, SIGNAL(dateChanged(QDate)), this, SLOT(dateRangeChanged()));
      connect(dateTo, SIGNAL(dateChanged(QDate)), this, SLOT(dateRangeChanged()));
  
      return dateRangeWidget;
  }
  
  void TransactionView::dateRangeChanged()
  {
      if(!transactionProxyModel)
          return;
      transactionProxyModel->setDateRange(
              QDateTime(dateFrom->date()),
              QDateTime(dateTo->date()).addDays(1));
  }
  
  void TransactionView::focusTransaction(const QModelIndex &idx)
  {
      if(!transactionProxyModel)
          return;
      QModelIndex targetIdx = transactionProxyModel->mapFromSource(idx);
      transactionView->scrollTo(targetIdx);
      transactionView->setCurrentIndex(targetIdx);
      transactionView->setFocus();
  }
  
  // We override the virtual resizeEvent of the QWidget to adjust tables column
  // sizes as the tables width is proportional to the dialogs width.
  void TransactionView::resizeEvent(QResizeEvent* event)
  {
      QWidget::resizeEvent(event);
      columnResizingFixer->stretchColumnWidth(TransactionTableModel::ToAddress);
  }
  
  // Need to override default Ctrl+C action for amount as default behaviour is just to copy DisplayRole text
  bool TransactionView::eventFilter(QObject *obj, QEvent *event)
  {
      if (event->type() == QEvent::KeyPress)
      {
          QKeyEvent *ke = static_cast<QKeyEvent *>(event);
          if (ke->key() == Qt::Key_C && ke->modifiers().testFlag(Qt::ControlModifier))
          {
               GUIUtil::copyEntryData(transactionView, 0, TransactionTableModel::TxPlainTextRole);
               return true;
          }
      }
      return QWidget::eventFilter(obj, event);
  }
  
  // show/hide column Watch-only
  void TransactionView::updateWatchOnlyColumn(bool fHaveWatchOnly)
  {
      watchOnlyWidget->setVisible(fHaveWatchOnly);
      transactionView->setColumnHidden(TransactionTableModel::Watchonly, !fHaveWatchOnly);
  }
  