xmake.repo/packages/n/noesis/latest/Include/NsGui/MultiTrigger.h
2024-12-22 19:15:02 +08:00

91 lines
3.2 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////////////////
// NoesisGUI - http://www.noesisengine.com
// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef __GUI_MULTITRIGGER_H__
#define __GUI_MULTITRIGGER_H__
#include <NsCore/Noesis.h>
#include <NsGui/CoreApi.h>
#include <NsGui/BaseTrigger.h>
namespace Noesis
{
class BaseSetter;
class Setter;
class Condition;
template<class T> class UICollection;
typedef UICollection<BaseSetter> BaseSetterCollection;
typedef UICollection<Condition> ConditionCollection;
NS_WARNING_PUSH
NS_MSVC_WARNING_DISABLE(4251 4275)
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents a trigger that applies property values or performs actions when a set of conditions
/// are satisfied.
///
/// http://msdn.microsoft.com/en-us/library/system.windows.multitrigger.aspx
////////////////////////////////////////////////////////////////////////////////////////////////////
class NS_GUI_CORE_API MultiTrigger: public BaseTrigger
{
public:
MultiTrigger();
~MultiTrigger();
/// Gets a collection of Condition objects. Changes to property values are applied when all of
/// the conditions in the collection are met.
ConditionCollection* GetConditions() const;
/// Gets a collection of Setter objects, which describe the property values to apply when all
/// of the conditions of the MultiTrigger are met.
BaseSetterCollection* GetSetters() const;
/// From BaseTrigger
//@{
BaseComponent* FindValue(FrameworkElement* target, FrameworkElement* nameScope,
DependencyObject* object, const DependencyProperty* dp, bool skipSourceName,
bool skipTargetName) final;
void Invalidate(FrameworkElement* target, FrameworkElement* nameScope, bool skipSourceName,
bool skipTargetName, uint8_t priority) final;
void Invalidate(FrameworkElement* target, FrameworkElement* nameScope,
FrameworkElement* changedObject, const DependencyProperty* changedProperty,
const void* oldValue, const void* newValue, bool skipSourceName, bool skipTargetName,
uint8_t priority) final;
void Seal() override;
//@}
ConditionCollection* InternalGetConditions() const; // can return null
BaseSetterCollection* InternalGetSetters() const; // can return null
private:
bool Matches(FrameworkElement* target, FrameworkElement* nameScope, DependencyObject* object,
const DependencyProperty* dp, bool skipSourceName, bool skipSelf) const;
bool Matches(FrameworkElement* target, FrameworkElement* nameScope,
FrameworkElement* changedObject, const DependencyProperty* changedProperty,
const void* changedValue, bool skipSourceName) const;
void EnsureConditions() const;
void EnsureSetters() const;
void CheckConditions(ConditionCollection* conditions) const;
private:
mutable Ptr<ConditionCollection> mConditions;
mutable Ptr<BaseSetterCollection> mSetters;
NS_DECLARE_REFLECTION(MultiTrigger, BaseTrigger)
};
NS_WARNING_POP
}
#endif