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o3de/Gems/LyShine/Code/Editor/CommandHierarchyItemToggleI...

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1.7 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 "EditorCommon.h"
CommandHierarchyItemToggleIsExpanded::CommandHierarchyItemToggleIsExpanded(UndoStack* stack,
HierarchyWidget* hierarchy,
HierarchyItem* item)
: QUndoCommand()
, m_stack(stack)
, m_hierarchy(hierarchy)
, m_id(item->GetEntityId())
, m_toIsExpanded(item->isExpanded())
{
setText(QString("%1 of \"%2\"").arg((m_toIsExpanded ? "expansion" : "collapse"), item->GetElement()->GetName().c_str()));
}
void CommandHierarchyItemToggleIsExpanded::undo()
{
UndoStackExecutionScope s(m_stack);
SetIsExpanded(!m_toIsExpanded);
}
void CommandHierarchyItemToggleIsExpanded::redo()
{
UndoStackExecutionScope s(m_stack);
SetIsExpanded(m_toIsExpanded);
}
void CommandHierarchyItemToggleIsExpanded::SetIsExpanded(bool isExpanded)
{
AZ::Entity* element = EntityHelpers::GetEntity(m_id);
if (!element)
{
// The element DOESN'T exist.
// Nothing to do.
return;
}
// This will do both the Runtime-side and Editor-side.
HierarchyItem::RttiCast(HierarchyHelpers::ElementToItem(m_hierarchy, element, false))->SetIsExpanded(isExpanded);
}
void CommandHierarchyItemToggleIsExpanded::Push(UndoStack* stack,
HierarchyWidget* hierarchy,
HierarchyItem* item)
{
if (stack->GetIsExecuting())
{
// This is a redundant Qt notification.
// Nothing else to do.
return;
}
stack->push(new CommandHierarchyItemToggleIsExpanded(stack,
hierarchy,
item));
}