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