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o3de/Gems/GraphCanvas/Code/Source/Components/NodePropertyDisplays/VariableReferenceNodeProper...

420 lines
13 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <qgraphicsproxywidget.h>
#include <Components/NodePropertyDisplays/VariableReferenceNodePropertyDisplay.h>
#include <GraphCanvas/Components/Nodes/Variable/VariableNodeBus.h>
#include <GraphCanvas/Widgets/NodePropertyBus.h>
#include <Widgets/GraphCanvasLabel.h>
namespace GraphCanvas
{
//////////////////////
// VariableItemModel
//////////////////////
VariableItemModel::VariableItemModel()
{
}
VariableItemModel::~VariableItemModel()
{
}
int VariableItemModel::rowCount(const QModelIndex& parent) const
{
return static_cast<int>(m_variableIds.size());
}
QVariant VariableItemModel::data(const QModelIndex& index, int role) const
{
int row = index.row();
AZ::EntityId variableId = FindVariableIdForRow(row);
if (variableId.IsValid())
{
switch (role)
{
case Qt::DisplayRole:
{
AZStd::string variableName;
VariableRequestBus::EventResult(variableName, variableId, &VariableRequests::GetVariableName);
return QString(variableName.c_str());
}
case Qt::EditRole:
{
AZStd::string variableName;
VariableRequestBus::EventResult(variableName, variableId, &VariableRequests::GetVariableName);
return QString(variableName.c_str());
}
default:
break;
}
}
else
{
switch (role)
{
case Qt::DisplayRole:
{
return QString("Unreferenced");
}
case Qt::EditRole:
{
return QString("Unreferenced");
}
default:
break;
}
}
return QVariant();
}
QVariant VariableItemModel::headerData(int section, Qt::Orientation orientation, int role) const
{
return QVariant();
}
Qt::ItemFlags VariableItemModel::flags(const QModelIndex& index) const
{
return Qt::ItemFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
}
void VariableItemModel::SetSceneId(const AZ::EntityId& sceneId)
{
m_sceneId = sceneId;
}
void VariableItemModel::SetDataType(const AZ::Uuid& variableType)
{
if (m_dataType != variableType)
{
m_dataType = variableType;
}
}
void VariableItemModel::RefreshData()
{
layoutAboutToBeChanged();
ClearData();
m_variableIds.emplace_back(AZ::EntityId());
if (m_dataType == AZStd::any::TYPEINFO_Uuid())
{
SceneVariableRequestBus::EnumerateHandlersId(m_sceneId, [this](SceneVariableRequests* variableRequests)
{
m_variableIds.emplace_back(variableRequests->GetVariableId());
return true;
});
}
else
{
SceneVariableRequestBus::EnumerateHandlersId(m_sceneId, [this](SceneVariableRequests* variableRequests)
{
AZ::EntityId variableId = variableRequests->GetVariableId();
AZ::Uuid dataType;
VariableRequestBus::EventResult(dataType, variableId, &VariableRequests::GetDataType);
if (dataType == m_dataType)
{
m_variableIds.emplace_back(variableRequests->GetVariableId());
}
return true;
});
}
layoutChanged();
}
void VariableItemModel::ClearData()
{
layoutAboutToBeChanged();
m_variableIds.clear();
layoutChanged();
}
int VariableItemModel::FindRowForVariable(const AZ::EntityId& variableId) const
{
int row = -1;
for (int i = 0; i < static_cast<int>(m_variableIds.size()); ++i)
{
if (m_variableIds[i] == variableId)
{
row = i;
break;
}
}
return row;
}
AZ::EntityId VariableItemModel::FindVariableIdForRow(int row) const
{
if (row >= 0 && row < m_variableIds.size())
{
return m_variableIds[row];
}
return AZ::EntityId();
}
AZ::EntityId VariableItemModel::FindVariableIdForName(const AZStd::string& variableName) const
{
AZ::EntityId variableId;
QString lowerName = QString(variableName.c_str()).toLower();
GraphCanvas::SceneVariableRequestBus::EnumerateHandlersId(m_sceneId, [&lowerName, &variableId](GraphCanvas::SceneVariableRequests* sceneVariable)
{
AZ::EntityId testId = sceneVariable->GetVariableId();
AZStd::string testName;
GraphCanvas::VariableRequestBus::EventResult(testName, testId, &GraphCanvas::VariableRequests::GetVariableName);
QString lowerTextName = QString(testName.c_str()).toLower();
if (lowerTextName.compare(lowerName) == 0)
{
variableId = testId;
}
return !variableId.IsValid();
});
return variableId;
}
////////////////////////////
// VariableSelectionWidget
////////////////////////////
VariableSelectionWidget::VariableSelectionWidget()
: QWidget(nullptr)
, m_lineEdit(aznew Internal::FocusableLineEdit())
, m_itemModel(aznew VariableItemModel())
{
m_completer = new QCompleter(m_itemModel, this);
m_completer->setCaseSensitivity(Qt::CaseInsensitive);
m_completer->setCompletionMode(QCompleter::InlineCompletion);
m_lineEdit->setCompleter(m_completer);
m_lineEdit->setPlaceholderText("Select Variable...");
m_layout = new QVBoxLayout(this);
m_layout->addWidget(m_lineEdit);
setContentsMargins(0, 0, 0, 0);
m_layout->setContentsMargins(0, 0, 0, 0);
setLayout(m_layout);
QObject::connect(m_lineEdit, &Internal::FocusableLineEdit::OnFocusIn, this, &VariableSelectionWidget::HandleFocusIn);
QObject::connect(m_lineEdit, &Internal::FocusableLineEdit::OnFocusOut, this, &VariableSelectionWidget::HandleFocusOut);
QObject::connect(m_lineEdit, &Internal::FocusableLineEdit::returnPressed, this, &VariableSelectionWidget::SubmitName);
}
VariableSelectionWidget::~VariableSelectionWidget()
{
}
void VariableSelectionWidget::SetSceneId(const AZ::EntityId& sceneId)
{
m_itemModel->SetSceneId(sceneId);
}
void VariableSelectionWidget::SetDataType(const AZ::Uuid& dataType)
{
m_itemModel->SetDataType(dataType);
}
void VariableSelectionWidget::OnEscape()
{
SetSelectedVariable(m_initialVariable);
m_lineEdit->selectAll();
}
void VariableSelectionWidget::HandleFocusIn()
{
m_itemModel->RefreshData();
emit OnFocusIn();
AzToolsFramework::EditorEvents::Bus::Handler::BusConnect();
}
void VariableSelectionWidget::HandleFocusOut()
{
m_itemModel->ClearData();
emit OnFocusOut();
SetSelectedVariable(m_initialVariable);
AzToolsFramework::EditorEvents::Bus::Handler::BusDisconnect();
}
void VariableSelectionWidget::SubmitName()
{
AZStd::string variableName = m_lineEdit->text().toUtf8().data();
AZ::EntityId variableId = m_itemModel->FindVariableIdForName(variableName);
if (variableId.IsValid())
{
SetSelectedVariable(variableId);
m_lineEdit->selectAll();
}
else
{
QSignalBlocker block(m_lineEdit);
m_lineEdit->setText("");
}
emit OnVariableSelected(variableId);
}
void VariableSelectionWidget::SetSelectedVariable(const AZ::EntityId& variableId)
{
QSignalBlocker blocker(m_lineEdit);
AZStd::string variableName;
VariableRequestBus::EventResult(variableName, variableId, &VariableRequests::GetVariableName);
m_lineEdit->setText(variableName.c_str());
m_initialVariable = variableId;
}
/////////////////////////////////////////
// VariableReferenceNodePropertyDisplay
/////////////////////////////////////////
VariableReferenceNodePropertyDisplay::VariableReferenceNodePropertyDisplay(VariableReferenceDataInterface* dataInterface)
: m_variableReferenceDataInterface(dataInterface)
{
m_variableReferenceDataInterface->RegisterDisplay(this);
m_disabledLabel = aznew GraphCanvasLabel();
m_displayLabel = aznew GraphCanvasLabel();
m_proxyWidget = new QGraphicsProxyWidget();
m_variableSelectionWidget = aznew VariableSelectionWidget();
m_variableSelectionWidget->setProperty("HasNoWindowDecorations", true);
m_proxyWidget->setWidget(m_variableSelectionWidget);
m_variableSelectionWidget->SetDataType(dataInterface->GetVariableDataType());
QObject::connect(m_variableSelectionWidget, &VariableSelectionWidget::OnFocusIn, [this]() { EditStart(); });
QObject::connect(m_variableSelectionWidget, &VariableSelectionWidget::OnFocusOut, [this]() { EditFinished(); });
QObject::connect(m_variableSelectionWidget, &VariableSelectionWidget::OnVariableSelected, [this](const AZ::EntityId& variableId) { AssignVariable(variableId); });
RegisterShortcutDispatcher(m_variableSelectionWidget);
}
VariableReferenceNodePropertyDisplay::~VariableReferenceNodePropertyDisplay()
{
delete m_variableReferenceDataInterface;
delete m_disabledLabel;
delete m_displayLabel;
}
void VariableReferenceNodePropertyDisplay::RefreshStyle()
{
m_disabledLabel->SetSceneStyle(GetSceneId(), NodePropertyDisplay::CreateDisabledLabelStyle("variable").c_str());
m_displayLabel->SetSceneStyle(GetSceneId(), NodePropertyDisplay::CreateDisplayLabelStyle("variable").c_str());
m_variableSelectionWidget->setMinimumSize(m_displayLabel->GetStyleHelper().GetMinimumSize().toSize());
}
void VariableReferenceNodePropertyDisplay::UpdateDisplay()
{
VariableNotificationBus::Handler::BusDisconnect();
AZ::EntityId variableId = m_variableReferenceDataInterface->GetVariableReference();
DisplayVariableString(variableId);
m_variableSelectionWidget->SetSelectedVariable(variableId);
if (variableId.IsValid())
{
VariableNotificationBus::Handler::BusConnect(variableId);
}
}
QGraphicsLayoutItem* VariableReferenceNodePropertyDisplay::GetDisabledGraphicsLayoutItem() const
{
return m_disabledLabel;
}
QGraphicsLayoutItem* VariableReferenceNodePropertyDisplay::GetDisplayGraphicsLayoutItem() const
{
return m_displayLabel;
}
QGraphicsLayoutItem* VariableReferenceNodePropertyDisplay::GetEditableGraphicsLayoutItem() const
{
return m_proxyWidget;
}
void VariableReferenceNodePropertyDisplay::OnNameChanged()
{
AZ::EntityId variableId = m_variableReferenceDataInterface->GetVariableReference();
DisplayVariableString(variableId);
}
void VariableReferenceNodePropertyDisplay::OnVariableActivated()
{
AZ::EntityId variableId = m_variableReferenceDataInterface->GetVariableReference();
DisplayVariableString(variableId);
}
void VariableReferenceNodePropertyDisplay::OnIdSet()
{
m_variableSelectionWidget->SetSceneId(GetSceneId());
}
void VariableReferenceNodePropertyDisplay::DisplayVariableString(const AZ::EntityId& variableId)
{
AZStd::string variableName = "Select Variable";
if (variableId.IsValid())
{
VariableRequestBus::EventResult(variableName, variableId, &VariableRequests::GetVariableName);
}
m_displayLabel->SetLabel(variableName.c_str());
}
void VariableReferenceNodePropertyDisplay::EditStart()
{
NodePropertiesRequestBus::Event(GetNodeId(), &NodePropertiesRequests::LockEditState, this);
TryAndSelectNode();
}
void VariableReferenceNodePropertyDisplay::AssignVariable(const AZ::EntityId& variableId)
{
m_variableReferenceDataInterface->AssignVariableReference(variableId);
DisplayVariableString(m_variableReferenceDataInterface->GetVariableReference());
}
void VariableReferenceNodePropertyDisplay::EditFinished()
{
UpdateDisplay();
NodePropertiesRequestBus::Event(GetNodeId(), &NodePropertiesRequests::UnlockEditState, this);
}
#include <Source/Components/NodePropertyDisplays/moc_VariableReferenceNodePropertyDisplay.cpp>
}