Process::GraphicsViewLayerModelPanelProxy::GraphicsViewLayerModelPanelProxy(
const Process::LayerModel& model,
QObject* parent):
LayerModelPanelProxy{parent},
m_layer{model},
m_context{iscore::IDocument::documentContext(model), m_dispatcher}
{
// Setup the view
m_widget = new QWidget;
m_scene = new QGraphicsScene(this);
m_scene->setItemIndexMethod(QGraphicsScene::NoIndex);
m_widget->setLayout(new QVBoxLayout);
m_view = new ProcessGraphicsView{m_scene};
m_widget->layout()->addWidget(m_view);
m_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
m_view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
connect(m_view, &ProcessGraphicsView::sizeChanged,
this, &GraphicsViewLayerModelPanelProxy::on_sizeChanged);
m_zoomSlider = new DoubleSlider{m_widget};
m_zoomSlider->setValue(0.03); // 30 seconds by default on an average screen
connect(m_zoomSlider, &DoubleSlider::valueChanged,
this, &GraphicsViewLayerModelPanelProxy::on_zoomChanged);
m_widget->layout()->addWidget(m_zoomSlider);
m_view->show();
// Setup the model
auto& sharedmodel = m_layer.processModel();
auto fact = iscore::AppContext().components.factory<ProcessList>().get(sharedmodel.concreteFactoryKey());
m_obj = new ProcessPanelGraphicsProxy{};
// Add the items to the scene early because
// the presenters might call scene() in their ctor.
m_scene->addItem(m_obj);
m_layerView = fact->makeLayerView(m_layer, m_obj);
m_processPresenter = fact->makeLayerPresenter(m_layer,
m_layerView,
m_context,
this);
// Have a zoom here too. For now the process should be the size of the window.
on_sizeChanged(m_view->size());
on_zoomChanged(0.03);
}
void ProcessPanelPresenter::on_focusedViewModelChanged(const LayerModel* theLM)
{
if(theLM != m_layerModel)
{
m_layerModel = theLM;
delete m_processPresenter;
m_processPresenter = nullptr;
if(!m_layerModel)
return;
auto& sharedmodel = m_layerModel->sharedProcessModel();
auto fact = ProcessList::getFactory(sharedmodel.processName());
auto proxy = m_layerModel->make_panelProxy(this);
delete m_obj;
m_obj = new ProcessPanelGraphicsProxy{*theLM, *this};
// Add the items to the scene early because
// the presenters might call scene() in their ctor.
auto panelview = static_cast<ProcessPanelView*>(view());
panelview->scene()->addItem(m_obj);
m_layer = fact->makeView(proxy->viewModel(),
m_obj);
m_processPresenter = fact->makePresenter(proxy->viewModel(),
m_layer,
this);
connect(m_layerModel, &QObject::destroyed,
this, &ProcessPanelPresenter::cleanup);
// Have a zoom here too. For now the process should be the size of the window.
on_sizeChanged(panelview->view()->size());
on_zoomChanged(0.03);
}
}
