143 lines
4.5 KiB
C++
143 lines
4.5 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_GRIDVIEWHEADERROWPRESENTER_H__
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#define __GUI_GRIDVIEWHEADERROWPRESENTER_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/ControlsApi.h>
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#include <NsGui/BaseGridViewRowPresenter.h>
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namespace Noesis
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{
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class ContextMenu;
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class DataTemplate;
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class DataTemplateSelector;
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class Style;
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class GridViewColumnHeader;
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class ScrollViewer;
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class Rectangle;
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struct ScrollChangedEventArgs;
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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 an object that is used to define the layout of a row of column headers.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.controls.gridviewheaderrowpresenter.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CONTROLS_API GridViewHeaderRowPresenter: public BaseGridViewRowPresenter
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{
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public:
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GridViewHeaderRowPresenter();
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~GridViewHeaderRowPresenter();
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/// Gets or sets a value that indicates whether columns can change positions
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//@{
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bool GetAllowsColumnReorder() const;
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void SetAllowsColumnReorder(bool value);
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//@}
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/// Gets or sets the Style to use for the column headers
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//@{
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Style* GetColumnHeaderContainerStyle() const;
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void SetColumnHeaderContainerStyle(Style* style);
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//@}
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/// Gets or sets a ContextMenu for the column headers
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//@{
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ContextMenu* GetColumnHeaderContextMenu() const;
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void SetColumnHeaderContextMenu(ContextMenu* menu);
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//@}
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/// Gets or sets a composite string that specifies how to format the column headers if they are
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/// displayed as strings
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//@{
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const char* GetColumnHeaderStringFormat() const;
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void SetColumnHeaderStringFormat(const char* format);
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//@}
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/// Gets or sets the template to use to display the column headers
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//@{
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DataTemplate* GetColumnHeaderTemplate() const;
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void SetColumnHeaderTemplate(DataTemplate* dataTemplate);
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//@}
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/// Gets or sets a DataTemplateSelector that provides logic that selects the data template to
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/// use to display a column header
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//@{
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DataTemplateSelector* GetColumnHeaderTemplateSelector() const;
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void SetColumnHeaderTemplateSelector(DataTemplateSelector* selector);
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//@}
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/// Gets or sets the content for a tooltip for the column header row
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//@{
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BaseComponent* GetColumnHeaderToolTip() const;
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void SetColumnHeaderToolTip(BaseComponent* tooltip);
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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* AllowsColumnReorderProperty;
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static const DependencyProperty* ColumnHeaderContainerStyleProperty;
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static const DependencyProperty* ColumnHeaderContextMenuProperty;
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static const DependencyProperty* ColumnHeaderStringFormatProperty;
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static const DependencyProperty* ColumnHeaderTemplateProperty;
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static const DependencyProperty* ColumnHeaderTemplateSelectorProperty;
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static const DependencyProperty* ColumnHeaderToolTipProperty;
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//@}
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protected:
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/// From UIElement
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//@{
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void OnMouseLeftButtonDown(const MouseButtonEventArgs& e) override;
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void OnMouseLeftButtonUp(const MouseButtonEventArgs& e) override;
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void OnMouseMove(const MouseEventArgs& e) 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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Size MeasureOverride(const Size& availableSize) override;
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Size ArrangeOverride(const Size& finalSize) override;
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//@}
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private:
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void OnScrollChanged(BaseComponent* sender, const ScrollChangedEventArgs& args);
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void UpdateColumnHeaders();
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bool IsValidDragPosition() const;
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uint32_t CalculateFloatingDestinationIndex() const;
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float CalculateFloatingDestinationOffset() const;
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private:
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Ptr<GridViewColumnHeader> mPaddingHeader;
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Ptr<GridViewColumnHeader> mFloatingHeader;
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Ptr<Rectangle> mFloatingDestination;
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ScrollViewer* mHeaderScrollViewer;
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ScrollViewer* mItemsScrollViewer;
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GridViewColumnHeader* mDragHeader;
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Point mDragStart;
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Point mDragPos;
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bool mDragEnabled;
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bool mDragging;
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NS_DECLARE_REFLECTION(GridViewHeaderRowPresenter, BaseGridViewRowPresenter)
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};
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NS_WARNING_POP
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}
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#endif
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