ModelView::ViewModelController::ViewModelControllerImpl Struct Reference

Collaboration diagram for ModelView::ViewModelController::ViewModelControllerImpl:

Public Member Functions
	ViewModelControllerImpl (ViewModelController *controller, ViewModelBase *view_model)
void	check_initialization ()
std::vector< ViewItem * >	findViews (const SessionItem *item) const
void	init_view_model ()
void	insert_view (SessionItem *parent, const TagRow &tagrow)
void	iterate (const SessionItem *item, ViewItem *parent)
void	remove_children_of_view (ViewItem *view)
void	remove_row_of_views (SessionItem *item)
	Remove row of ViewItem's corresponding to given item. More...
void	setRootSessionItemIntern (SessionItem *item)

Public Attributes
std::unique_ptr< ChildrenStrategyInterface >	m_childrenStrategy
std::map< SessionItem *, ViewItem * >	m_itemToVview
Path	m_rootItemPath
	correspondence of item and its view More...
std::unique_ptr< RowStrategyInterface >	m_rowStrategy
ViewModelController *	m_self
ViewModelBase *	m_viewModel {nullptr}

Detailed Description

Definition at line 47 of file viewmodelcontroller.cpp.

Constructor & Destructor Documentation

ViewModelControllerImpl()

ModelView::ViewModelController::ViewModelControllerImpl::ViewModelControllerImpl ( ViewModelController *  controller, ViewModelBase *  view_model  )

inline

Definition at line 55 of file viewmodelcontroller.cpp.

        : m_self(controller), m_viewModel(view_model)
    {
    }

Member Function Documentation

check_initialization()

void ModelView::ViewModelController::ViewModelControllerImpl::check_initialization ( )

inline

Definition at line 60 of file viewmodelcontroller.cpp.

    {
        const std::string msg("Error in ViewModelController: ");
        if (!m_viewModel)
            throw std::runtime_error(msg + "ViewModel is not defined");
 
        if (!m_rowStrategy)
            throw std::runtime_error(msg + "RowStrategy is not defined");
 
        if (!m_childrenStrategy)
            throw std::runtime_error(msg + "Children is not defined");
    }

References ModelView::ViewModelController::ViewModelControllerImpl::m_childrenStrategy, ModelView::ViewModelController::ViewModelControllerImpl::m_rowStrategy, and ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::init_view_model().

findViews()

std::vector<ViewItem*> ModelView::ViewModelController::ViewModelControllerImpl::findViews ( const SessionItem *  item ) const

inline

Definition at line 145 of file viewmodelcontroller.cpp.

    {
        if (item == m_viewModel->rootItem()->item())
            return {m_viewModel->rootItem()};
 
        std::vector<ViewItem*> result;
        auto on_index = [&](const QModelIndex& index) {
            auto view_item = m_viewModel->itemFromIndex(index);
            if (view_item->item() == item)
                result.push_back(view_item);
        };
        Utils::iterate_model(m_viewModel, QModelIndex(), on_index);
        return result;
    }

References ModelView::ViewItem::item(), ModelView::ViewModelBase::itemFromIndex(), ModelView::Utils::iterate_model(), ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel, and ModelView::ViewModelBase::rootItem().

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init_view_model()

void ModelView::ViewModelController::ViewModelControllerImpl::init_view_model ( )

inline

Definition at line 73 of file viewmodelcontroller.cpp.

    {
        check_initialization();
        m_itemToVview.clear();
        m_itemToVview[m_self->rootSessionItem()] = m_viewModel->rootItem();
        iterate(m_self->rootSessionItem(), m_viewModel->rootItem());
    }

References ModelView::ViewModelController::ViewModelControllerImpl::check_initialization(), ModelView::ViewModelController::ViewModelControllerImpl::iterate(), ModelView::ViewModelController::ViewModelControllerImpl::m_itemToVview, ModelView::ViewModelController::ViewModelControllerImpl::m_self, ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel, ModelView::ViewModelBase::rootItem(), and ModelView::ViewModelController::rootSessionItem().

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::setRootSessionItemIntern().

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insert_view()

void ModelView::ViewModelController::ViewModelControllerImpl::insert_view ( SessionItem *  parent, const TagRow &  tagrow  )

inline

Definition at line 121 of file viewmodelcontroller.cpp.

    {
        auto child = parent->getItem(tagrow.tag, tagrow.row);
        auto children = m_childrenStrategy->children(parent);
        auto index = Utils::IndexOfItem(children, child);
        if (index == -1)
            return;
 
        auto pos = m_itemToVview.find(parent);
        if (pos == m_itemToVview.end())
            return;
 
        auto parent_view = pos->second;
 
        auto row = m_rowStrategy->constructRow(child);
        if (!row.empty()) {
            auto next_parent = row.at(0).get();
            m_viewModel->insertRow(parent_view, index, std::move(row));
            m_itemToVview[child] = next_parent;
            parent_view = next_parent; // labelItem
            iterate(child, parent_view);
        }
    }

References ModelView::SessionItem::getItem(), ModelView::Utils::IndexOfItem(), ModelView::ViewModelBase::insertRow(), ModelView::ViewModelController::ViewModelControllerImpl::iterate(), ModelView::ViewModelController::ViewModelControllerImpl::m_childrenStrategy, ModelView::ViewModelController::ViewModelControllerImpl::m_itemToVview, ModelView::ViewModelController::ViewModelControllerImpl::m_rowStrategy, ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel, ModelView::TagRow::row, and ModelView::TagRow::tag.

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iterate()

void ModelView::ViewModelController::ViewModelControllerImpl::iterate ( const SessionItem *  item, ViewItem *  parent  )

inline

Definition at line 81 of file viewmodelcontroller.cpp.

    {
        ViewItem* origParent(parent);
        for (auto child : m_childrenStrategy->children(item)) {
            auto row = m_rowStrategy->constructRow(child);
            if (!row.empty()) {
                auto next_parent = row.at(0).get();
                m_viewModel->appendRow(parent, std::move(row));
                m_itemToVview[child] = next_parent;
                parent = next_parent; // labelItem
                iterate(child, parent);
            }
            parent = origParent;
        }
    }

References ModelView::ViewModelBase::appendRow(), ModelView::ViewModelController::ViewModelControllerImpl::m_childrenStrategy, ModelView::ViewModelController::ViewModelControllerImpl::m_itemToVview, ModelView::ViewModelController::ViewModelControllerImpl::m_rowStrategy, and ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::init_view_model(), and ModelView::ViewModelController::ViewModelControllerImpl::insert_view().

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remove_children_of_view()

void ModelView::ViewModelController::ViewModelControllerImpl::remove_children_of_view ( ViewItem *  view )

inline

Definition at line 109 of file viewmodelcontroller.cpp.

    {
        for (auto child : view->children()) {
            auto pos = std::find_if(m_itemToVview.begin(), m_itemToVview.end(),
                                    [child](const auto& it) { return it.second == child; });
            if (pos != m_itemToVview.end())
                m_itemToVview.erase(pos);
        }
 
        m_viewModel->clearRows(view);
    }

References ModelView::ViewItem::children(), ModelView::ViewModelBase::clearRows(), ModelView::ViewModelController::ViewModelControllerImpl::m_itemToVview, and ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel.

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remove_row_of_views()

void ModelView::ViewModelController::ViewModelControllerImpl::remove_row_of_views ( SessionItem *  item )

inline

Remove row of ViewItem's corresponding to given item.

Definition at line 99 of file viewmodelcontroller.cpp.

    {
        auto pos = m_itemToVview.find(item);
        if (pos != m_itemToVview.end()) {
            auto view = pos->second;
            m_viewModel->removeRow(view->parent(), view->row());
            m_itemToVview.erase(pos);
        }
    }

References ModelView::ViewModelController::ViewModelControllerImpl::m_itemToVview, ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel, ModelView::ViewItem::parent(), ModelView::ViewModelBase::removeRow(), and ModelView::ViewItem::row().

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setRootSessionItemIntern()

void ModelView::ViewModelController::ViewModelControllerImpl::setRootSessionItemIntern ( SessionItem *  item )

inline

Definition at line 160 of file viewmodelcontroller.cpp.

    {
        m_rootItemPath = Utils::PathFromItem(item);
        m_viewModel->setRootViewItem(std::make_unique<RootViewItem>(item));
        init_view_model();
    }

References ModelView::ViewModelController::ViewModelControllerImpl::init_view_model(), ModelView::ViewModelController::ViewModelControllerImpl::m_rootItemPath, ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel, ModelView::Utils::PathFromItem(), and ModelView::ViewModelBase::setRootViewItem().

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Member Data Documentation

m_childrenStrategy

std::unique_ptr<ChildrenStrategyInterface> ModelView::ViewModelController::ViewModelControllerImpl::m_childrenStrategy

Definition at line 50 of file viewmodelcontroller.cpp.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::check_initialization(), ModelView::ViewModelController::ViewModelControllerImpl::insert_view(), and ModelView::ViewModelController::ViewModelControllerImpl::iterate().

m_itemToVview

std::map<SessionItem*, ViewItem*> ModelView::ViewModelController::ViewModelControllerImpl::m_itemToVview

Definition at line 52 of file viewmodelcontroller.cpp.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::init_view_model(), ModelView::ViewModelController::ViewModelControllerImpl::insert_view(), ModelView::ViewModelController::ViewModelControllerImpl::iterate(), ModelView::ViewModelController::ViewModelControllerImpl::remove_children_of_view(), and ModelView::ViewModelController::ViewModelControllerImpl::remove_row_of_views().

m_rootItemPath

Path ModelView::ViewModelController::ViewModelControllerImpl::m_rootItemPath

correspondence of item and its view

Definition at line 53 of file viewmodelcontroller.cpp.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::setRootSessionItemIntern().

m_rowStrategy

std::unique_ptr<RowStrategyInterface> ModelView::ViewModelController::ViewModelControllerImpl::m_rowStrategy

Definition at line 51 of file viewmodelcontroller.cpp.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::check_initialization(), ModelView::ViewModelController::ViewModelControllerImpl::insert_view(), and ModelView::ViewModelController::ViewModelControllerImpl::iterate().

m_self

ViewModelController* ModelView::ViewModelController::ViewModelControllerImpl::m_self

Definition at line 48 of file viewmodelcontroller.cpp.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::init_view_model().

m_viewModel

ViewModelBase* ModelView::ViewModelController::ViewModelControllerImpl::m_viewModel {nullptr}

Definition at line 49 of file viewmodelcontroller.cpp.

Referenced by ModelView::ViewModelController::ViewModelControllerImpl::check_initialization(), ModelView::ViewModelController::ViewModelControllerImpl::findViews(), ModelView::ViewModelController::ViewModelControllerImpl::init_view_model(), ModelView::ViewModelController::ViewModelControllerImpl::insert_view(), ModelView::ViewModelController::ViewModelControllerImpl::iterate(), ModelView::ViewModelController::ViewModelControllerImpl::remove_children_of_view(), ModelView::ViewModelController::ViewModelControllerImpl::remove_row_of_views(), and ModelView::ViewModelController::ViewModelControllerImpl::setRootSessionItemIntern().

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The documentation for this struct was generated from the following file:

• /home/www/ba/mvvm/viewmodel/mvvm/viewmodel/viewmodelcontroller.cpp