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public/vgui_controls/PanelListPanel.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef PANELLISTPANEL_H
+#define PANELLISTPANEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <utllinkedlist.h>
+#include <utlvector.h>
+#include <vgui/VGUI.h>
+#include <vgui_controls/EditablePanel.h>
+
+class KeyValues;
+
+namespace vgui
+{
+
+//-----------------------------------------------------------------------------
+// Purpose: A list of variable height child panels
+// each list item consists of a label-panel pair. Height of the item is
+// determined from the label.
+//-----------------------------------------------------------------------------
+class PanelListPanel : public EditablePanel
+{
+	DECLARE_CLASS_SIMPLE( PanelListPanel, Panel );
+
+public:
+	PanelListPanel( vgui::Panel *parent, char const *panelName );
+	~PanelListPanel();
+
+	// DATA & ROW HANDLING
+	// The list now owns the panel
+	virtual int AddItem( Panel *labelPanel, Panel *panel );
+	int	GetItemCount() const;
+	int GetItemIDFromRow( int nRow ) const;
+
+	// Iteration. Use these until they return InvalidItemID to iterate all the items.
+	int FirstItem() const;
+	int NextItem( int nItemID ) const;
+	int InvalidItemID() const;
+
+	virtual Panel *GetItemLabel(int itemID); 
+	virtual Panel *GetItemPanel(int itemID); 
+
+    ScrollBar*  GetScrollbar() { return m_vbar; }
+
+	virtual void RemoveItem(int itemID); // removes an item from the table (changing the indices of all following items)
+	virtual void DeleteAllItems(); // clears and deletes all the memory used by the data items
+	void RemoveAll();
+
+	// painting
+	virtual vgui::Panel *GetCellRenderer( int row );
+
+	// layout
+	void SetFirstColumnWidth( int width );
+	int GetFirstColumnWidth();
+	void SetNumColumns( int iNumColumns );
+	int GetNumColumns( void );
+	void MoveScrollBarToTop();
+
+	// selection
+	void SetSelectedPanel( Panel *panel );
+	Panel *GetSelectedPanel();
+	/*
+		On a panel being selected, a message gets sent to it
+			"PanelSelected"		int "state"
+		where state is 1 on selection, 0 on deselection
+	*/
+
+	void		SetVerticalBufferPixels( int buffer );
+
+	void		ScrollToItem( int itemNumber );
+
+	CUtlVector< int > *GetSortedVector( void )
+	{
+		return &m_SortedItems;
+	}
+
+	int	ComputeVPixelsNeeded();
+
+protected:
+	// overrides
+	virtual void OnSizeChanged(int wide, int tall);
+	MESSAGE_FUNC_INT( OnSliderMoved, "ScrollBarSliderMoved", position );
+	virtual void PerformLayout();
+	virtual void ApplySchemeSettings(vgui::IScheme *pScheme);
+	virtual void OnMouseWheeled(int delta);
+
+private:
+	
+
+	enum { DEFAULT_HEIGHT = 24, PANELBUFFER = 5 };
+
+	typedef struct dataitem_s
+	{
+		// Always store a panel pointer
+		Panel *panel;
+		Panel *labelPanel;
+	} DATAITEM;
+
+	// list of the column headers
+
+	CUtlLinkedList<DATAITEM, int>		m_DataItems;
+	CUtlVector<int>						m_SortedItems;
+
+	ScrollBar				*m_vbar;
+	Panel					*m_pPanelEmbedded;
+
+	PHandle					m_hSelectedItem;
+	int						m_iFirstColumnWidth;
+	int						m_iNumColumns;
+	int						m_iDefaultHeight;
+	int						m_iPanelBuffer;
+
+	CPanelAnimationVar( bool, m_bAutoHideScrollbar, "autohide_scrollbar", "0" );
+};
+
+}
+#endif // PANELLISTPANEL_H