/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
#ifndef _E_TREE_MEMORY_H_
#define _E_TREE_MEMORY_H_

#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gal/e-table/e-tree-model.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */


#define E_TREE_MEMORY_TYPE        (e_tree_memory_get_type ())
#define E_TREE_MEMORY(o)          (GTK_CHECK_CAST ((o), E_TREE_MEMORY_TYPE, ETreeMemory))
#define E_TREE_MEMORY_CLASS(k)    (GTK_CHECK_CLASS_CAST((k), E_TREE_MEMORY_TYPE, ETreeMemoryClass))
#define E_IS_TREE_MEMORY(o)       (GTK_CHECK_TYPE ((o), E_TREE_MEMORY_TYPE))
#define E_IS_TREE_MEMORY_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_TREE_MEMORY_TYPE))

typedef struct ETreeMemory ETreeMemory;
typedef struct ETreeMemoryPriv ETreeMemoryPriv;
typedef struct ETreeMemoryClass ETreeMemoryClass;

typedef int (*ETreeMemorySortCallback) (ETreeMemory *etmm, ETreePath path1, ETreePath path2, gpointer closure);

struct ETreeMemory {
	ETreeModel base;
	ETreeMemoryPriv *priv;
};

struct ETreeMemoryClass {
	ETreeModelClass parent_class;
};


GtkType      e_tree_memory_get_type               (void);
void         e_tree_memory_construct              (ETreeMemory             *etree);
ETreeMemory *e_tree_memory_new                    (void);

/* node operations */
ETreePath    e_tree_memory_node_insert            (ETreeMemory             *etree,
						   ETreePath                parent,
						   int                      position,
						   gpointer                 node_data);
ETreePath    e_tree_memory_node_insert_id         (ETreeMemory             *etree,
						   ETreePath                parent,
						   int                      position,
						   gpointer                 node_data,
						   char                    *id);
ETreePath    e_tree_memory_node_insert_before     (ETreeMemory             *etree,
						   ETreePath                parent,
						   ETreePath                sibling,
						   gpointer                 node_data);
gpointer     e_tree_memory_node_remove            (ETreeMemory             *etree,
						   ETreePath                path);

/* Freeze and thaw */
void         e_tree_memory_freeze                 (ETreeMemory             *etree);
void         e_tree_memory_thaw                   (ETreeMemory             *etree);
void         e_tree_memory_set_expanded_default   (ETreeMemory             *etree,
						   gboolean                 expanded);
gpointer     e_tree_memory_node_get_data          (ETreeMemory             *etm,
						   ETreePath                node);
void         e_tree_memory_node_set_data          (ETreeMemory             *etm,
						   ETreePath                node,
						   gpointer                 node_data);
void         e_tree_memory_sort_node              (ETreeMemory             *etm,
						   ETreePath                node,
						   ETreeMemorySortCallback  callback,
						   gpointer                 user_data);
void         e_tree_memory_set_node_destroy_func  (ETreeMemory             *etmm,
						   GFunc                    destroy_func,
						   gpointer                 user_data);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _E_TREE_MEMORY_H */

