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Add robustness against null models

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This commit is contained in:
Wladimir J. van der Laan
2011-11-08 21:18:36 +01:00
parent 0fb0a38339
commit dead0ff8cd
11 changed files with 172 additions and 99 deletions
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67
src/qt/transactionview.cpp
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@@ -155,36 +155,39 @@ TransactionView::TransactionView(QWidget *parent) :
void TransactionView::setModel(WalletModel *model)
{
this->model = model;
if(model)
{
transactionProxyModel = new TransactionFilterProxy(this);
transactionProxyModel->setSourceModel(model->getTransactionTableModel());
transactionProxyModel->setDynamicSortFilter(true);
transactionProxyModel = new TransactionFilterProxy(this);
transactionProxyModel->setSourceModel(model->getTransactionTableModel());
transactionProxyModel->setDynamicSortFilter(true);
transactionProxyModel->setSortRole(Qt::EditRole);
transactionProxyModel->setSortRole(Qt::EditRole);
transactionView->setModel(transactionProxyModel);
transactionView->setAlternatingRowColors(true);
transactionView->setSelectionBehavior(QAbstractItemView::SelectRows);
transactionView->setSelectionMode(QAbstractItemView::ExtendedSelection);
transactionView->setSortingEnabled(true);
transactionView->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
transactionView->verticalHeader()->hide();
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Status, 23);
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Date, 120);
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Type, 120);
transactionView->horizontalHeader()->setResizeMode(
TransactionTableModel::ToAddress, QHeaderView::Stretch);
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Amount, 100);
transactionView->setModel(transactionProxyModel);
transactionView->setAlternatingRowColors(true);
transactionView->setSelectionBehavior(QAbstractItemView::SelectRows);
transactionView->setSelectionMode(QAbstractItemView::ExtendedSelection);
transactionView->setSortingEnabled(true);
transactionView->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
transactionView->verticalHeader()->hide();
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Status, 23);
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Date, 120);
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Type, 120);
transactionView->horizontalHeader()->setResizeMode(
TransactionTableModel::ToAddress, QHeaderView::Stretch);
transactionView->horizontalHeader()->resizeSection(
TransactionTableModel::Amount, 100);
}
}
void TransactionView::chooseDate(int idx)
{
if(!transactionProxyModel)
return;
QDate current = QDate::currentDate();
dateRangeWidget->setVisible(false);
switch(dateWidget->itemData(idx).toInt())
@@ -231,17 +234,23 @@ void TransactionView::chooseDate(int idx)
void TransactionView::chooseType(int idx)
{
if(!transactionProxyModel)
return;
transactionProxyModel->setTypeFilter(
typeWidget->itemData(idx).toInt());
}
void TransactionView::changedPrefix(const QString &prefix)
{
if(!transactionProxyModel)
return;
transactionProxyModel->setAddressPrefix(prefix);
}
void TransactionView::changedAmount(const QString &amount)
{
if(!transactionProxyModel)
return;
qint64 amount_parsed = 0;
if(BitcoinUnits::parse(model->getOptionsModel()->getDisplayUnit(), amount, &amount_parsed))
{
@@ -294,6 +303,8 @@ void TransactionView::contextualMenu(const QPoint &point)
void TransactionView::copyAddress()
{
if(!transactionView->selectionModel())
return;
QModelIndexList selection = transactionView->selectionModel()->selectedRows();
if(!selection.isEmpty())
{
@@ -303,6 +314,8 @@ void TransactionView::copyAddress()
void TransactionView::copyLabel()
{
if(!transactionView->selectionModel())
return;
QModelIndexList selection = transactionView->selectionModel()->selectedRows();
if(!selection.isEmpty())
{
@@ -312,10 +325,14 @@ void TransactionView::copyLabel()
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())
{
@@ -354,6 +371,8 @@ void TransactionView::editLabel()
void TransactionView::showDetails()
{
if(!transactionView->selectionModel())
return;
QModelIndexList selection = transactionView->selectionModel()->selectedRows();
if(!selection.isEmpty())
{
@@ -400,6 +419,8 @@ QWidget *TransactionView::createDateRangeWidget()
void TransactionView::dateRangeChanged()
{
if(!transactionProxyModel)
return;
transactionProxyModel->setDateRange(
QDateTime(dateFrom->date()),
QDateTime(dateTo->date()).addDays(1));