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

104 lines
3.1 KiB
C++

////////////////////////////////////////////////////////////////////////////////////////////////////
// NoesisGUI - http://www.noesisengine.com
// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef __GUI_BASEGRIDVIEWROWPRESENTER_H__
#define __GUI_BASEGRIDVIEWROWPRESENTER_H__
#include <NsCore/Noesis.h>
#include <NsCore/Vector.h>
#include <NsGui/ControlsApi.h>
#include <NsGui/FrameworkElement.h>
namespace Noesis
{
class GridViewColumn;
class UIElementCollection;
class ListView;
struct DependencyPropertyChangedEventArgs;
struct NotifyCollectionChangedEventArgs;
template<class T> class FreezableCollection;
typedef Noesis::FreezableCollection<Noesis::GridViewColumn> GridViewColumnCollection;
NS_WARNING_PUSH
NS_MSVC_WARNING_DISABLE(4251 4275)
///////////////////////////////////////////////////////////////////////////////////////////////////
/// Represents the base class for classes that define the layout for a row of data where different
/// data items are displayed in different columns.
///
/// http://msdn.microsoft.com/en-us/library/system.windows.controls.primitives.gridviewrowpresenterbase.aspx
////////////////////////////////////////////////////////////////////////////////////////////////////
class NS_GUI_CONTROLS_API BaseGridViewRowPresenter: public FrameworkElement
{
public:
BaseGridViewRowPresenter();
~BaseGridViewRowPresenter();
/// Gets or sets a GridViewColumnCollection that specifies the columns of the GridView
//@{
GridViewColumnCollection* GetColumns() const;
void SetColumns(GridViewColumnCollection* columns);
//@}
public:
/// Dependency properties
//@{
static const DependencyProperty* ColumnsProperty;
//@}
protected:
virtual void OnInvalidateColumns();
/// From DependencyObject
//@{
void OnInit() override;
bool OnPropertyChanged(const DependencyPropertyChangedEventArgs& args) override;
//@}
// From Visual
//@{
uint32_t GetVisualChildrenCount() const override;
Visual* GetVisualChild(uint32_t index) const override;
//@}
// From FrameworkElement
//@{
uint32_t GetLogicalChildrenCount() const override;
Ptr<BaseComponent> GetLogicalChild(uint32_t index) const override;
//@}
protected:
Ptr<UIElementCollection> mVisualChildren;
// This is used to force an InvalidateMeasure from GridViewHeaderRowPresenter or
// GridViewRowPresenter when trying to determine the automatic width of the columns. This
// probably could be optimized forcing the Invalidate only in the main ScrollViewer
ListView* mListView;
bool mColumnsChanged;
private:
void RegisterColumns(GridViewColumnCollection* columns);
void UnregisterColumns(GridViewColumnCollection* columns);
void OnColumnActualWidthChanged(GridViewColumn* column);
void OnColumnsCollectionChanged(BaseComponent* sender,
const NotifyCollectionChangedEventArgs& e);
void InvalidateColumns();
NS_DECLARE_REFLECTION(BaseGridViewRowPresenter, FrameworkElement)
};
NS_WARNING_POP
}
#endif