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Add methods to convert between component/index

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This commit is contained in:
Gres 2020-04-02 20:52:29 +03:00
parent 9144ea262d
commit 8aa10754e2
2 changed files with 24 additions and 8 deletions
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30
src/service/updates.cpp
View File

@ -407,22 +407,36 @@ void Model::emitColumnsChanged(const QModelIndex &parent)
for (auto i = 0; i < count; ++i) emitColumnsChanged(index(0, 0, parent));
}
Model::Component *Model::toComponent(const QModelIndex &index) const
{
return static_cast<Component *>(index.internalPointer());
}
QModelIndex Model::toIndex(const Model::Component &component, int column) const
{
return createIndex(component.index, column,
const_cast<Model::Component *>(&component));
}
QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
{
if (!root_)
return {};
if (auto ptr = static_cast<Component *>(parent.internalPointer())) {
if (auto ptr = toComponent(parent)) {
SOFT_ASSERT(row >= 0 && row < int(ptr->children.size()), return {});
return createIndex(row, column, ptr->children[row].get());
return toIndex(*ptr->children[row], column);
}
if (row < 0 && row >= int(root_->children.size()))
return {};
return createIndex(row, column, root_->children[row].get());
return toIndex(*root_->children[row], column);
}
QModelIndex Model::parent(const QModelIndex &child) const
{
auto ptr = static_cast<Component *>(child.internalPointer());
auto ptr = toComponent(child);
if (auto parent = ptr->parent)
return createIndex(parent->index, 0, parent);
return {};
@ -430,7 +444,7 @@ QModelIndex Model::parent(const QModelIndex &child) const
int Model::rowCount(const QModelIndex &parent) const
{
if (auto ptr = static_cast<Component *>(parent.internalPointer())) {
if (auto ptr = toComponent(parent)) {
return ptr->children.size();
}
return root_ ? root_->children.size() : 0;
@ -463,7 +477,7 @@ QVariant Model::data(const QModelIndex &index, int role) const
if ((role != Qt::DisplayRole && role != Qt::EditRole) || !index.isValid())
return {};
auto ptr = static_cast<Component *>(index.internalPointer());
auto ptr = toComponent(index);
SOFT_ASSERT(ptr, return {});
switch (index.column()) {
@ -487,7 +501,7 @@ bool Model::setData(const QModelIndex &index, const QVariant &value, int role)
if (!index.isValid() || role != Qt::EditRole)
return false;
auto ptr = static_cast<Component *>(index.internalPointer());
auto ptr = toComponent(index);
SOFT_ASSERT(ptr, return false);
if (index.column() != int(Column::Action))
@ -506,7 +520,7 @@ bool Model::setData(const QModelIndex &index, const QVariant &value, int role)
Qt::ItemFlags Model::flags(const QModelIndex &index) const
{
auto ptr = static_cast<Component *>(index.internalPointer());
auto ptr = toComponent(index);
SOFT_ASSERT(ptr, return {});
auto result = Qt::NoItemFlags | Qt::ItemIsSelectable;

2
src/service/updates.h
View File

@ -81,6 +81,8 @@ private:
State currentState(const File& file) const;
QString expanded(const QString& source) const;
void emitColumnsChanged(const QModelIndex& parent);
Component* toComponent(const QModelIndex& index) const;
QModelIndex toIndex(const Component& component, int column) const;
std::unique_ptr<Component> root_;
std::map<QString, QString> expansions_;