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#include "cru/ui/controls/FlexLayout.hpp"
#include "cru/ui/render/FlexLayoutRenderObject.hpp"
namespace cru::ui::controls {
using render::FlexLayoutRenderObject;
FlexLayout::FlexLayout() {
render_object_.reset(new FlexLayoutRenderObject());
render_object_->SetAttachedControl(this);
}
FlexLayout::~FlexLayout() = default;
render::RenderObject* FlexLayout::GetRenderObject() const {
return render_object_.get();
}
namespace {
Index FindPosition(render::RenderObject* parent, render::RenderObject* child) {
const auto& render_objects = parent->GetChildren();
const auto find_result =
std::find(render_objects.cbegin(), render_objects.cend(), child);
if (find_result == render_objects.cend()) {
throw std::logic_error("Control is not a child of FlexLayout.");
}
return static_cast<Index>(find_result - render_objects.cbegin());
}
} // namespace
FlexChildLayoutData FlexLayout::GetChildLayoutData(Control* control) {
Expects(control);
return render_object_->GetChildLayoutData(
FindPosition(render_object_.get(), control->GetRenderObject()));
}
void FlexLayout::SetChildLayoutData(Control* control,
FlexChildLayoutData data) {
Expects(control);
render_object_->SetChildLayoutData(
FindPosition(render_object_.get(), control->GetRenderObject()),
std::move(data));
}
FlexMainAlignment FlexLayout::GetContentMainAlign() const {
return render_object_->GetContentMainAlign();
}
void FlexLayout::SetContentMainAlign(FlexMainAlignment value) {
if (value == GetContentMainAlign()) return;
render_object_->SetContentMainAlign(value);
}
FlexDirection FlexLayout::GetFlexDirection() const {
return render_object_->GetFlexDirection();
}
void FlexLayout::SetFlexDirection(FlexDirection direction) {
if (direction == GetFlexDirection()) return;
render_object_->SetFlexDirection(direction);
}
FlexCrossAlignment FlexLayout::GetItemCrossAlign() const {
return render_object_->GetItemCrossAlign();
}
void FlexLayout::SetItemCrossAlign(FlexCrossAlignment alignment) {
if (alignment == GetItemCrossAlign()) return;
render_object_->SetItemCrossAlign(alignment);
}
void FlexLayout::OnAddChild(Control* child, const Index position) {
render_object_->AddChild(child->GetRenderObject(), position);
}
void FlexLayout::OnRemoveChild(Control* child, const Index position) {
CRU_UNUSED(child)
render_object_->RemoveChild(position);
}
} // namespace cru::ui::controls
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