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Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: treelay.h
	3	// Purpose: wxTreeLayout class
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 7/4/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1998 Julian Smart
	9	// Licence: wxWindows licence
	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	#ifndef _WX_TREELAY_H_
	13	#define _WX_TREELAY_H_
	14
	15	#ifdef __GNUG__
	16	#pragma interface "wxtree.h"
	17	#endif
	18
	19	#ifndef WX_PRECOMP
	20	#include "wx/object.h"
	21	class wxList;
	22	class wxDC;
	23	class wxMouseEvent;
	24	#endif
	25
	26	#include "wx/string.h"
	27
	28	#if wxUSE_TREELAYOUT
	29
	30	class WXDLLEXPORT wxTreeLayout: public wxObject
	31	{
	32	DECLARE_ABSTRACT_CLASS(wxTreeLayout)
	33
	34	public:
	35	wxTreeLayout();
	36	virtual ~wxTreeLayout() { }
	37
	38	// Redefine these
	39	virtual void GetChildren(long id, wxList& list) = 0;
	40	virtual long GetNextNode(long id) = 0;
	41	virtual long GetNodeParent(long id) = 0;
	42	virtual long GetNodeX(long id) = 0;
	43	virtual long GetNodeY(long id) = 0;
	44	virtual void SetNodeX(long id, long x) = 0;
	45	virtual void SetNodeY(long id, long y) = 0;
	46	virtual void ActivateNode(long id, bool active) = 0;
	47	virtual bool NodeActive(long id) = 0;
	48
	49	// Optional redefinition
	50	void Initialize(void);
	51	inline virtual void SetNodeName(long WXUNUSED(id), const wxString& WXUNUSED(name)) {}
	52	inline virtual wxString GetNodeName(long WXUNUSED(id)) { return wxString(""); }
	53	virtual void GetNodeSize(long id, long x, long y, wxDC& dc);
	54	virtual void Draw(wxDC& dc);
	55	virtual void DrawNodes(wxDC& dc);
	56	virtual void DrawBranches(wxDC& dc);
	57	virtual void DrawNode(long id, wxDC& dc);
	58	virtual void DrawBranch(long from, long to, wxDC& dc);
	59
	60	// Don't redefine
	61	virtual void DoLayout(wxDC& dc, long topNode = -1);
	62
	63	// Accessors -- don't redefine
	64	inline void SetTopNode(long id) { m_parentNode = id; }
	65	inline long GetTopNode(void) const { return m_parentNode; }
	66	inline void SetSpacing(long x, long y) { m_xSpacing = x; m_ySpacing = y; }
	67	inline long GetXSpacing(void) const { return m_xSpacing; }
	68	inline long GetYSpacing(void) const { return m_ySpacing; }
	69	inline void SetMargins(long x, long y) { m_leftMargin = x; m_topMargin = y; }
	70	inline long GetTopMargin(void) const { return m_topMargin; }
	71	inline long GetLeftMargin(void) const { return m_leftMargin; }
	72
	73	inline bool GetOrientation(void) const { return m_orientation; }
	74	inline void SetOrientation(bool orient) { m_orientation = orient; }
	75
	76	private:
	77	void CalcLayout(long node_id, int level, wxDC& dc);
	78
	79	// Members
	80
	81	protected:
	82	long m_parentNode;
	83	long m_lastY;
	84	long m_lastX;
	85	long m_xSpacing;
	86	long m_ySpacing;
	87	long m_topMargin;
	88	long m_leftMargin;
	89	bool m_orientation; // TRUE for top-to-bottom, FALSE for left-to-right
	90	};
	91
	92	class WXDLLEXPORT wxStoredNode
	93	{
	94	public:
	95	wxString m_name;
	96	long m_x, m_y;
	97	long m_parentId;
	98	bool m_active;
	99	long m_clientData;
	100	};
	101
	102	/*
	103	* A version of wxTreeLayout with storage for nodes
	104	*/
	105
	106	class WXDLLEXPORT wxTreeLayoutStored: public wxTreeLayout
	107	{
	108	DECLARE_DYNAMIC_CLASS(wxTreeLayoutStored)
	109	public:
	110	wxTreeLayoutStored(int noNodes = 200);
	111	virtual ~wxTreeLayoutStored(void);
	112	void Initialize(int n);
	113
	114	wxString HitTest(wxMouseEvent& event, wxDC& dc);
	115	wxStoredNode* GetNode(long id) const;
	116	inline int GetNumNodes() const { return m_maxNodes; };
	117	inline int GetNodeCount() const { return m_num; };
	118
	119	virtual void GetChildren(long id, wxList& list);
	120	virtual long GetNextNode(long id);
	121	virtual long GetNodeParent(long id);
	122	virtual long GetNodeX(long id);
	123	virtual long GetNodeY(long id);
	124	virtual void SetNodeX(long id, long x);
	125	virtual void SetNodeY(long id, long y);
	126	virtual void SetNodeName(long id, const wxString& name);
	127	virtual wxString GetNodeName(long id);
	128	virtual void ActivateNode(long id, bool active);
	129	virtual bool NodeActive(long id);
	130	virtual void SetClientData(long id, long clientData);
	131	virtual long GetClientData(long id) const;
	132
	133	virtual long AddChild(const wxString& name, const wxString& parent = "");
	134	virtual long AddChild(const wxString& name, long parent);
	135	virtual long NameToId(const wxString& name);
	136
	137	// Data members
	138	private:
	139	wxStoredNode* m_nodes;
	140	int m_num;
	141	int m_maxNodes;
	142	};
	143
	144	// For backward compatibility
	145	#define wxStoredTree wxTreeLayoutStored
	146
	147	#endif
	148	// wxUSE_TREELAYOUT
	149
	150	#endif
	151	// _WX_TREELAY_H_
	152