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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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36
src/qt/overviewpage.cpp
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@@ -143,30 +143,34 @@ void OverviewPage::setNumTransactions(int count)
void OverviewPage::setModel(WalletModel *model)
{
this->model = model;
if(model)
{
// Set up transaction list
TransactionFilterProxy *filter = new TransactionFilterProxy();
filter->setSourceModel(model->getTransactionTableModel());
filter->setLimit(NUM_ITEMS);
filter->setDynamicSortFilter(true);
filter->setSortRole(Qt::EditRole);
filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
// Set up transaction list
TransactionFilterProxy *filter = new TransactionFilterProxy();
filter->setSourceModel(model->getTransactionTableModel());
filter->setLimit(NUM_ITEMS);
filter->setDynamicSortFilter(true);
filter->setSortRole(Qt::EditRole);
filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
ui->listTransactions->setModel(filter);
ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
ui->listTransactions->setModel(filter);
ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
// Keep up to date with wallet
setBalance(model->getBalance(), model->getUnconfirmedBalance());
connect(model, SIGNAL(balanceChanged(qint64, qint64)), this, SLOT(setBalance(qint64, qint64)));
// Keep up to date with wallet
setBalance(model->getBalance(), model->getUnconfirmedBalance());
connect(model, SIGNAL(balanceChanged(qint64, qint64)), this, SLOT(setBalance(qint64, qint64)));
setNumTransactions(model->getNumTransactions());
connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
setNumTransactions(model->getNumTransactions());
connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(displayUnitChanged()));
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(displayUnitChanged()));
}
}
void OverviewPage::displayUnitChanged()
{
if(!model || !model->getOptionsModel())
return;
if(currentBalance != -1)
setBalance(currentBalance, currentUnconfirmedBalance);