130 lines
3.7 KiB
C++
130 lines
3.7 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_CONTENTPRESENTER_H__
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#define __GUI_CONTENTPRESENTER_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/FrameworkElement.h>
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namespace Noesis
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{
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class DataTemplate;
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class DataTemplateSelector;
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class TextBlock;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Displays the content of ContentControl.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.controls.contentpresenter.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API ContentPresenter: public FrameworkElement
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{
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public:
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ContentPresenter();
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~ContentPresenter();
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/// Gets or sets content
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//@{
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BaseComponent* GetContent() const;
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void SetContent(BaseComponent* content);
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void SetContent(const char* content);
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//@}
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/// Gets or sets the base name to use during automatic aliasing.
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//@{
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const char* GetContentSource() const;
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void SetContentSource(const char* source);
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//@}
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/// Gets or sets the format used to display the content of the control as a string.
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//@{
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const char* GetContentStringFormat() const;
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void SetContentStringFormat(const char* value);
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//@}
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/// Gets or sets the template used to display the content of the control.
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//@{
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DataTemplate* GetContentTemplate() const;
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void SetContentTemplate(DataTemplate* value);
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//@}
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/// Gets or sets the DataTemplateSelector, which allows the application writer to provide
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/// custom logic for choosing the template that is used to display the content of the control.
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//@{
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DataTemplateSelector* GetContentTemplateSelector() const;
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void SetContentTemplateSelector(DataTemplateSelector* selector);
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//@}
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public:
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/// Dependency properties
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//@{
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static const DependencyProperty* ContentProperty;
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static const DependencyProperty* ContentSourceProperty;
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static const DependencyProperty* ContentStringFormatProperty;
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static const DependencyProperty* ContentTemplateProperty;
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static const DependencyProperty* ContentTemplateSelectorProperty;
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//@}
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protected:
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// Invoked when Content property changes
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virtual void OnContentChanged(BaseComponent* oldContent, BaseComponent* newContent);
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/// From BaseRefCounted
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//@{
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int32_t OnDestroy() override;
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//@}
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/// From DependencyProperty
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//@{
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void OnInit() override;
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bool OnPropertyChanged(const DependencyPropertyChangedEventArgs& args) override;
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//@}
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/// From FrameworkElement
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//@{
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void CloneOverride(FrameworkElement* clone, FrameworkTemplate* template_) const override;
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void OnPreApplyTemplate() override;
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//@}
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private:
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friend class ItemsControl;
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void PrepareContainer(BaseComponent* item, DataTemplate* itemTemplate,
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DataTemplateSelector* itemTemplateSelector);
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void ClearContainer(BaseComponent* item);
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void InvalidateVisualTree(bool disconnectChild = true);
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bool RemoveOldParent(Visual* child) const;
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TextBlock* GetDefaultTemplate() const;
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void EnsureDefaultTemplate();
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void RemoveDefaultTemplate();
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void ResetTemplate();
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private:
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union
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{
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mutable struct
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{
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bool refreshVisualTree : 1;
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bool localDataContext : 1;
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} mFlags;
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// To quickly set all flags to 0
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uint32_t mAllFlags;
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};
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NS_DECLARE_REFLECTION(ContentPresenter, FrameworkElement)
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};
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}
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#endif
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