void touchmind::view::node::NodeViewManager::DrawNodes(touchmind::Context *pContext, ID2D1RenderTarget *pRenderTarget,
std::shared_ptr<model::node::NodeModel> edittingNode) {
CreateSharedDeviceResources(pContext, pRenderTarget);
auto root = m_pMapModel->GetRootNodeModel();
// if (root->IsDescendantRepaintRequired()) {
SynchronizeWithModel();
//}
// Draw all paths
root->ApplyVisitor([&](std::shared_ptr<model::node::NodeModel> node) -> touchmind::VISITOR_RESULT {
DrawNodePaths(pContext, pRenderTarget, node);
return touchmind::VISITOR_RESULT_CONTINUE;
});
// Draw all nodes
root->ApplyVisitor([&](std::shared_ptr<model::node::NodeModel> node) -> touchmind::VISITOR_RESULT {
if (edittingNode != node) {
DrawNode(pContext, pRenderTarget, node);
}
return touchmind::VISITOR_RESULT_CONTINUE;
});
// root->ClearDescendantRepaintRequired();
}
HRESULT touchmind::view::node::NodeViewManager::SynchronizeWithModel() {
auto root = m_pMapModel->GetRootNodeModel();
// set all wasHandled flags to false
for (auto &kv : m_nodeIdToViewMap) {
auto nodeView = kv.second;
nodeView->ClearHandled();
}
// synchronize view resource with model
SynchronizeViewAfterArrangingVisitor visitor(this, m_nodeIdToViewMap, m_pEditControlManager,
m_pConfiguration->GetInsets());
root->ApplyVisitor(visitor);
// if wasHandled flag is false, remove its view resource
std::vector<touchmind::NODE_ID> prepareRemove;
for (auto &kv : m_nodeIdToViewMap) {
auto nodeView = kv.second;
if (!nodeView->IsHandled()) {
m_pEditControlManager->DestroyDWLightEditControl(nodeView->GetEditControlIndex());
prepareRemove.push_back(kv.first);
}
}
// remove view resources
for (auto &nodeId : prepareRemove) {
m_nodeIdToViewMap.erase(nodeId);
m_nodeIdToPathView.erase(nodeId);
}
return S_OK;
}
void touchmind::win::CanvasPanel::CalculateScrolls(FLOAT width, FLOAT height) {
auto root = GetRootNodeModel();
touchmind::layout::TreeRectVisitor treeRectVisitor;
root->ApplyVisitor(treeRectVisitor);
FLOAT marginX = width / 4;
FLOAT marginY = height / 4;
m_pScrollBarHelper->SetModelRect(treeRectVisitor.treeRect.x1 - marginX, treeRectVisitor.treeRect.y1 - marginY,
treeRectVisitor.treeRect.GetWidth() + marginX * 2,
treeRectVisitor.treeRect.GetHeight() + marginY * 2);
m_pScrollBarHelper->SetWindowSize((UINT)width, (UINT)height);
}
std::shared_ptr<touchmind::model::path::PathModel>
touchmind::view::node::NodeViewManager::PathHitTest(touchmind::Context *pContext, ID2D1RenderTarget *pRenderTarget,
D2D1_POINT_2F point) {
std::shared_ptr<touchmind::model::path::PathModel> result;
auto root = m_pMapModel->GetRootNodeModel();
root->ApplyVisitor([&](std::shared_ptr<touchmind::model::node::NodeModel> &node) -> VISITOR_RESULT {
if (((!node->IsCollapsed() && !node->IsAncestorCollapsed())
|| (node->IsCollapsed() && !node->IsAncestorCollapsed()))) {
if (m_nodeIdToPathView.count(node->GetId()) > 0) {
auto pathView = m_nodeIdToPathView[node->GetId()];
if (pathView->HitTest(pContext, pRenderTarget, point)) {
result = pathView->GetNodeModel().lock()->GetPathModel();
return touchmind::VISITOR_RESULT_STOP;
}
}
}
return touchmind::VISITOR_RESULT_CONTINUE;
});
return result;
}
std::shared_ptr<touchmind::model::node::NodeModel>
touchmind::view::node::NodeViewManager::NodeHitTest(touchmind::Context *pContext, ID2D1RenderTarget *pRenderTarget,
D2D1_POINT_2F point) {
UNREFERENCED_PARAMETER(pContext);
UNREFERENCED_PARAMETER(pRenderTarget);
FLOAT margin = 5.0f;
std::shared_ptr<touchmind::model::node::NodeModel> result;
auto root = m_pMapModel->GetRootNodeModel();
root->ApplyVisitor([&](std::shared_ptr<touchmind::model::node::NodeModel> &node) -> VISITOR_RESULT {
if (((!node->IsCollapsed() && !node->IsAncestorCollapsed())
|| (node->IsCollapsed() && !node->IsAncestorCollapsed()))
&& (node->GetX() - margin) <= point.x && point.x <= (node->GetX() + node->GetWidth() + margin)
&& (node->GetY() - margin) <= point.y && point.y <= (node->GetY() + node->GetHeight() + margin)) {
result = node;
return touchmind::VISITOR_RESULT_STOP;
}
return touchmind::VISITOR_RESULT_CONTINUE;
});
return result;
}
HRESULT touchmind::view::node::NodeViewManager::SynchronizeViewBeforeArrange() {
auto pRootNode = m_pMapModel->GetRootNodeModel();
SynchronizeViewBeforeArrangingVisitor visitor(this, m_nodeIdToViewMap, m_pEditControlManager);
pRootNode->ApplyVisitor(visitor);
return S_OK;
}
void CompositeDataItem::traverse( ItemVisitor& iv ) {
std::for_each( begin(), end(), ApplyVisitor( iv ) );
}
