103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
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////////////////////////////////////////////////////////////////////////////////////////////////////
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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_BASEBINDING_H__
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#define __GUI_BASEBINDING_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsCore/String.h>
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#include <NsCore/Ptr.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/MarkupExtension.h>
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namespace Noesis
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{
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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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/// Defines the common features for Binding.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.data.bindingbase.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API BaseBinding: public MarkupExtension
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{
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public:
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BaseBinding();
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BaseBinding(const BaseBinding&) = delete;
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BaseBinding& operator=(const BaseBinding&) = delete;
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virtual ~BaseBinding() = 0;
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/// Gets or sets the amount of time, in milliseconds, to wait before updating the binding
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/// source after the value on the target changes
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//@{
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int GetDelay() const;
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void SetDelay(int delay);
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//@}
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/// Gets or sets the value to use when the binding is unable to return a value
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//@{
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BaseComponent* GetFallbackValue() const;
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void SetFallbackValue(BaseComponent* value);
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//@}
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/// Gets or sets the value to use when final target value is null
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//@{
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BaseComponent* GetTargetNullValue() const;
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void SetTargetNullValue(BaseComponent* value);
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//@}
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/// Gets or sets a string that specifies how to format the binding if it displays the bound
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/// value as a string.
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///
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/// Examples:
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///
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/// .. code-block:: xml
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///
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/// <TextBlock Text="{Binding Amount, StringFormat=F2}" />
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/// <TextBlock Text="{Binding Amount, StringFormat={}{0:F2}}" />
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/// <TextBlock Text="{Binding Amount, StringFormat=Value is {0:F2} units}" />
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///
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//@{
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const char* GetStringFormat() const;
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void SetStringFormat(const char* format);
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//@}
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protected:
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bool CheckSealed() const;
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protected:
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// Indicates if this binding is unmodifiable. The binding becomes sealed the first time a
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// binding expression is generated
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bool mSealed;
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// Indicates if this binding is part of a style or template trigger so it should solve element
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// names inside the template first
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bool mSolveNamesInTemplate;
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friend class DataTrigger;
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friend class MultiDataTrigger;
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friend class MultiBinding;
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private:
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int mDelay;
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Ptr<BaseComponent> mFallbackValue;
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Ptr<BaseComponent> mTargetNullValue;
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String mStringFormat;
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NS_DECLARE_REFLECTION(BaseBinding, MarkupExtension)
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};
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NS_WARNING_POP
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}
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#endif
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