Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <AzCore/Component/Entity.h>
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#include <AzCore/Serialization/SerializeContext.h>
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#include <GraphCanvas/Styling/PseudoElement.h>
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namespace GraphCanvas
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{
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namespace Styling
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{
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void VirtualChildElement::Reflect(AZ::ReflectContext* context)
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{
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AZ::SerializeContext* serializeContext = azrtti_cast<AZ::SerializeContext*>(context);
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if (!serializeContext)
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{
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return;
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}
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serializeContext->Class<VirtualChildElement, AZ::Component>()
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->Version(1)
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;
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}
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AZ::EntityId VirtualChildElement::Create(const AZ::EntityId& real, const AZStd::string& virtualChildElement)
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{
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AZ::Entity* entity = aznew AZ::Entity;
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entity->AddComponent(new VirtualChildElement(real, virtualChildElement));
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entity->Init();
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entity->Activate();
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return entity->GetId();
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}
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VirtualChildElement::VirtualChildElement()
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{
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// Doesn't seem like it would be possible to serialize std::function, so...
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AZ_Assert(false, "GraphCanvas::Styling::PseudoElements must not be serialized");
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}
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VirtualChildElement::VirtualChildElement(const AZ::EntityId& real, const AZStd::string& virtualChildElement)
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: m_real(real)
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{
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AZStd::string realElement;
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StyledEntityRequestBus::EventResult(realElement, real, &StyledEntityRequests::GetElement);
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AZ_Warning("GraphCanvas", !realElement.empty(), "Can't create a virtual child element on a 'real' parent element with no element name");
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m_parentSelector = Selector::Get(realElement);
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m_virtualChildSelector = Selector::Get(virtualChildElement);
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}
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AZ::EntityId VirtualChildElement::GetStyleParent() const
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{
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return m_real;
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}
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SelectorVector VirtualChildElement::GetStyleSelectors() const
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{
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SelectorVector selectors;
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StyledEntityRequestBus::EventResult(selectors, m_real, &StyledEntityRequests::GetStyleSelectors);
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AZStd::replace(selectors.begin(), selectors.end(), m_parentSelector, m_virtualChildSelector);
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for (const auto& mapPair : m_dynamicSelectors)
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{
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selectors.push_back(mapPair.second);
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}
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return selectors;
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}
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void VirtualChildElement::AddSelectorState(const char* selectorState)
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{
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auto insertResult = m_dynamicSelectors.insert(AZStd::pair<AZ::Crc32, Selector>(AZ::Crc32(selectorState), Selector::Get(selectorState)));
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if (insertResult.second)
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{
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StyleNotificationBus::Event(GetEntityId(), &StyleNotificationBus::Events::OnStyleChanged);
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}
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else
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{
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AZ_Assert(false, "Pushing the same state(%s) onto the selector stack twice. State cannot be correctly removed.", selectorState);
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}
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}
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void VirtualChildElement::RemoveSelectorState(const char* selectorState)
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{
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AZStd::size_t count = m_dynamicSelectors.erase(AZ::Crc32(selectorState));
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if (count != 0)
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{
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StyleNotificationBus::Event(GetEntityId(), &StyleNotificationBus::Events::OnStyleChanged);
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}
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}
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AZStd::string VirtualChildElement::GetElement() const
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{
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return m_virtualChild;
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}
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AZStd::string VirtualChildElement::GetClass() const
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{
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return AZStd::string();
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}
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void VirtualChildElement::Activate()
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{
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StyledEntityRequestBus::Handler::BusConnect(GetEntityId());
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}
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void VirtualChildElement::Deactivate()
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{
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StyledEntityRequestBus::Handler::BusDisconnect();
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}
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}
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}
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