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[Fix] Editor Crash in Debug Mode (#3647)

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* Fixed Crash AssetBrowserTableView

Signed-off-by: igarri <igarri@amazon.com>

* Fixed comments

Signed-off-by: igarri <igarri@amazon.com>

* fixed lamda capture

Signed-off-by: igarri <igarri@amazon.com>

* Capturing object in lambda

Signed-off-by: igarri <igarri@amazon.com>
monroegm-disable-blank-issue-2
AMZN-Igarri 4 years ago committed by GitHub
parent 77e630085b
commit 79c98fe6a3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 58 additions and 30 deletions
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78
Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/AssetBrowserTableModel.cpp
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@ -25,19 +25,47 @@ namespace AzToolsFramework
AZ_Assert(
m_filterModel,
"Error in AssetBrowserTableModel initialization, class expects source model to be an AssetBrowserFilterModel.");
connect(sourceModel, &QAbstractItemModel::rowsInserted, this, &AssetBrowserTableModel::UpdateTableModelMaps);
connect(sourceModel, &QAbstractItemModel::rowsRemoved, this, &AssetBrowserTableModel::UpdateTableModelMaps);
connect(sourceModel, &QAbstractItemModel::modelAboutToBeReset, this, &AssetBrowserTableModel::beginResetModel);
connect(
sourceModel, &QAbstractItemModel::modelReset, this,
[this]()
{
{
QSignalBlocker sb(this);
UpdateTableModelMaps();
}
endResetModel();
});
connect(sourceModel, &QAbstractItemModel::layoutChanged, this, &AssetBrowserTableModel::UpdateTableModelMaps);
connect(sourceModel, &QAbstractItemModel::dataChanged, this, &AssetBrowserTableModel::SourceDataChanged);
QSortFilterProxyModel::setSourceModel(sourceModel);
}
QModelIndex AssetBrowserTableModel::mapToSource(const QModelIndex& proxyIndex) const
{
Q_ASSERT(!proxyIndex.isValid() || proxyIndex.model() == this);
if (!proxyIndex.isValid())
if (!proxyIndex.isValid() || !m_indexMap.contains(proxyIndex.row()))
{
return QModelIndex();
}
return m_indexMap[proxyIndex.row()];
}
QModelIndex AssetBrowserTableModel::mapFromSource(const QModelIndex& sourceIndex) const
{
Q_ASSERT(!sourceIndex.isValid() || sourceIndex.model() == sourceModel());
if (!sourceIndex.isValid() || !m_rowMap.contains(sourceIndex))
{
return QModelIndex();
}
return createIndex(m_rowMap[sourceIndex], sourceIndex.column());
}
QVariant AssetBrowserTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole && orientation == Qt::Horizontal)
@ -49,20 +77,8 @@ namespace AzToolsFramework
QVariant AssetBrowserTableModel::data(const QModelIndex& index, int role) const
{
auto sourceIndex = mapToSource(index);
if (!sourceIndex.isValid())
{
return QVariant();
}
AssetBrowserEntry* entry = GetAssetEntry(sourceIndex);
if (entry == nullptr)
{
AZ_Assert(false, "AssetBrowserTableModel - QModelIndex does not reference an AssetEntry. Source model is not valid.");
return QVariant();
}
return sourceIndex.data(role);
Q_ASSERT(index.isValid() && index.model() == this);
return sourceModel()->data(mapToSource(index), role);
}
QModelIndex AssetBrowserTableModel::parent([[maybe_unused]] const QModelIndex& child) const
@ -76,14 +92,28 @@ namespace AzToolsFramework
return QModelIndex();
}
void AssetBrowserTableModel::SourceDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight)
{
for (int row = topLeft.row(); row <= bottomRight.row(); ++row)
{
if (!m_indexMap.contains(row))
{
UpdateTableModelMaps();
return;
}
}
}
QModelIndex AssetBrowserTableModel::index(int row, int column, const QModelIndex& parent) const
{
Q_ASSERT(!parent.isValid());
return parent.isValid() ? QModelIndex() : createIndex(row, column, m_indexMap[row].internalPointer());
}
int AssetBrowserTableModel::rowCount(const QModelIndex& parent) const
{
return !parent.isValid() ? m_indexMap.size() : 0;
return !parent.isValid() ? m_indexMap.size() : sourceModel()->rowCount(parent);
}
int AssetBrowserTableModel::BuildTableModelMap(
@ -103,13 +133,11 @@ namespace AzToolsFramework
QModelIndex index = model->index(currentRow, 0, parent);
AssetBrowserEntry* entry = GetAssetEntry(m_filterModel->mapToSource(index));
// We only want to see the source assets.
if (entry->GetEntryType() == AssetBrowserEntry::AssetEntryType::Source)
if (entry->GetEntryType() == AssetBrowserEntry::AssetEntryType::Source ||
entry->GetEntryType() == AssetBrowserEntry::AssetEntryType::Product)
{
beginInsertRows(parent, row, row);
m_indexMap[row] = index;
endInsertRows();
Q_EMIT dataChanged(index, index);
m_rowMap[index] = row;
++row;
++m_displayedItemsCounter;
}
@ -143,12 +171,8 @@ namespace AzToolsFramework
void AssetBrowserTableModel::UpdateTableModelMaps()
{
emit layoutAboutToBeChanged();
if (!m_indexMap.isEmpty())
{
beginRemoveRows(m_indexMap.first(), m_indexMap.first().row(), m_indexMap.last().row());
m_indexMap.clear();
endRemoveRows();
}
m_indexMap.clear();
m_rowMap.clear();
AzToolsFramework::EditorSettingsAPIBus::BroadcastResult(
m_numberOfItemsDisplayed, &AzToolsFramework::EditorSettingsAPIBus::Handler::GetMaxNumberOfItemsShownInSearchView);

10
Code/Framework/AzToolsFramework/AzToolsFramework/AssetBrowser/AssetBrowserTableModel.h
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@ -30,12 +30,11 @@ namespace AzToolsFramework
AZ_CLASS_ALLOCATOR(AssetBrowserTableModel, AZ::SystemAllocator, 0);
explicit AssetBrowserTableModel(QObject* parent = nullptr);
void UpdateTableModelMaps();
////////////////////////////////////////////////////////////////////
// QSortFilterProxyModel
void setSourceModel(QAbstractItemModel* sourceModel) override;
QModelIndex mapToSource(const QModelIndex& proxyIndex) const override;
QModelIndex mapFromSource(const QModelIndex &sourceIndex) const override;
QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
QModelIndex parent(const QModelIndex& child) const override;
@ -45,16 +44,21 @@ namespace AzToolsFramework
int rowCount(const QModelIndex& parent = QModelIndex()) const override;
QVariant headerData(int section, Qt::Orientation orientation, int role /* = Qt::DisplayRole */) const override;
////////////////////////////////////////////////////////////////////
private:
AssetBrowserEntry* GetAssetEntry(QModelIndex index) const;
int BuildTableModelMap(const QAbstractItemModel* model, const QModelIndex& parent = QModelIndex(), int row = 0);
public slots:
void UpdateTableModelMaps();
private slots:
void SourceDataChanged(const QModelIndex& topLeft, const QModelIndex& bottomRight);
private:
int m_numberOfItemsDisplayed = 50;
int m_displayedItemsCounter = 0;
QPointer<AssetBrowserFilterModel> m_filterModel;
QMap<int, QModelIndex> m_indexMap;
QMap<QModelIndex, int> m_rowMap;
};
} // namespace AssetBrowser
} // namespace AzToolsFramework

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