/*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
* Chris Toshok <toshok@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifndef _E_TREE_MODEL_H_
#define _E_TREE_MODEL_H_
#include <gdk-pixbuf/gdk-pixbuf.h>
/* Standard GObject macros */
#define E_TYPE_TREE_MODEL \
(e_tree_model_get_type ())
#define E_TREE_MODEL(obj) \
(G_TYPE_CHECK_INSTANCE_CAST \
((obj), E_TYPE_TREE_MODEL, ETreeModel))
#define E_TREE_MODEL_CLASS(cls) \
(G_TYPE_CHECK_CLASS_CAST \
((cls), E_TYPE_TREE_MODEL, ETreeModelClass))
#define E_IS_TREE_MODEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE \
((obj), E_TYPE_TREE_MODEL))
#define E_IS_TREE_MODEL_CLASS(cls) \
(G_TYPE_CHECK_CLASS_TYPE \
((cls), E_TYPE_TREE_MODEL))
#define E_TREE_MODEL_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS \
((obj), E_TYPE_TREE_MODEL, ETreeModelClass))
G_BEGIN_DECLS
typedef gpointer ETreePath;
typedef struct _ETreeModel ETreeModel;
typedef struct _ETreeModelClass ETreeModelClass;
typedef gint (*ETreePathCompareFunc) (ETreeModel *model,
ETreePath path1,
ETreePath path2);
typedef gboolean (*ETreePathFunc) (ETreeModel *model,
ETreePath path,
gpointer data);
struct _ETreeModel {
GObject parent;
};
struct _ETreeModelClass {
GObjectClass parent_class;
/*
* Virtual methods
*/
ETreePath (*get_root) (ETreeModel *etm);
ETreePath (*get_parent) (ETreeModel *etm,
ETreePath node);
ETreePath (*get_first_child) (ETreeModel *etm,
ETreePath node);
ETreePath (*get_last_child) (ETreeModel *etm,
ETreePath node);
ETreePath (*get_next) (ETreeModel *etm,
ETreePath node);
ETreePath (*get_prev) (ETreeModel *etm,
ETreePath node);
gboolean (*is_root) (ETreeModel *etm,
ETreePath node);
gboolean (*is_expandable) (ETreeModel *etm,
ETreePath node);
guint (*get_children) (ETreeModel *etm,
ETreePath node,
ETreePath **paths);
guint (*depth) (ETreeModel *etm,
ETreePath node);
GdkPixbuf * (*icon_at) (ETreeModel *etm,
ETreePath node);
gboolean (*get_expanded_default) (ETreeModel *etm);
gint (*column_count) (ETreeModel *etm);
gboolean (*has_save_id) (ETreeModel *etm);
gchar * (*get_save_id) (ETreeModel *etm,
ETreePath node);
gboolean (*has_get_node_by_id) (ETreeModel *etm);
ETreePath (*get_node_by_id) (ETreeModel *etm,
const gchar *save_id);
gboolean (*has_change_pending) (ETreeModel *etm);
/*
* ETable analogs
*/
gpointer (*sort_value_at) (ETreeModel *etm,
ETreePath node,
gint col);
gpointer (*value_at) (ETreeModel *etm,
ETreePath node,
gint col);
void (*set_value_at) (ETreeModel *etm,
ETreePath node,
gint col,
gconstpointer val);
gboolean (*is_editable) (ETreeModel *etm,
ETreePath node,
gint col);
gpointer (*duplicate_value) (ETreeModel *etm,
gint col,
gconstpointer value);
void (*free_value) (ETreeModel *etm,
gint col,
gpointer value);
gpointer (*initialize_value) (ETreeModel *etm,
gint col);
gboolean (*value_is_empty) (ETreeModel *etm,
gint col,
gconstpointer value);
gchar * (*value_to_string) (ETreeModel *etm,
gint col,
gconstpointer value);
/*
* Signals
*/
/* During node_remove, the ETreePath of the child is removed
* from the tree but is still a valid ETreePath. At
* node_deleted, the ETreePath is no longer valid.
*/
void (*pre_change) (ETreeModel *etm);
void (*no_change) (ETreeModel *etm);
void (*node_changed) (ETreeModel *etm,
ETreePath node);
void (*node_data_changed) (ETreeModel *etm,
ETreePath node);
void (*node_col_changed) (ETreeModel *etm,
ETreePath node,
gint col);
void (*node_inserted) (ETreeModel *etm,
ETreePath parent,
ETreePath inserted_node);
void (*node_removed) (ETreeModel *etm,
ETreePath parent,
ETreePath removed_node,
gint old_position);
void (*node_deleted) (ETreeModel *etm,
ETreePath deleted_node);
void (*rebuilt) (ETreeModel *etm);
/* This signal requests that any viewers of the tree that
* collapse and expand nodes collapse this node.
*/
void (*node_request_collapse)
(ETreeModel *etm,
ETreePath node);
};
GType e_tree_model_get_type (void) G_GNUC_CONST;
ETreeModel * e_tree_model_new (void);
/* tree traversal operations */
ETreePath e_tree_model_get_root (ETreeModel *etree);
ETreePath e_tree_model_node_get_parent (ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_first_child
(ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_last_child
(ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_next (ETreeModel *etree,
ETreePath path);
ETreePath e_tree_model_node_get_prev (ETreeModel *etree,
ETreePath path);
/* node accessors */
gboolean e_tree_model_node_is_root (ETreeModel *etree,
ETreePath path);
gboolean e_tree_model_node_is_expandable (ETreeModel *etree,
ETreePath path);
guint e_tree_model_node_get_children (ETreeModel *etree,
ETreePath path,
ETreePath **paths);
guint e_tree_model_node_depth (ETreeModel *etree,
ETreePath path);
GdkPixbuf * e_tree_model_icon_at (ETreeModel *etree,
ETreePath path);
gboolean e_tree_model_get_expanded_default
(ETreeModel *model);
gint e_tree_model_column_count (ETreeModel *model);
gboolean e_tree_model_has_save_id (ETreeModel *model);
gchar * e_tree_model_get_save_id (ETreeModel *model,
ETreePath node);
gboolean e_tree_model_has_get_node_by_id (ETreeModel *model);
ETreePath e_tree_model_get_node_by_id (ETreeModel *model,
const gchar *save_id);
gboolean e_tree_model_has_change_pending (ETreeModel *model);
void *e_tree_model_sort_value_at (ETreeModel *etree,
ETreePath node,
gint col);
void *e_tree_model_value_at (ETreeModel *etree,
ETreePath node,
gint col);
void e_tree_model_set_value_at (ETreeModel *etree,
ETreePath node,
gint col,
gconstpointer val);
gboolean e_tree_model_node_is_editable (ETreeModel *etree,
ETreePath node,
gint col);
void *e_tree_model_duplicate_value (ETreeModel *etree,
gint col,
gconstpointer value);
void e_tree_model_free_value (ETreeModel *etree,
gint col,
gpointer value);
void *e_tree_model_initialize_value (ETreeModel *etree,
gint col);
gboolean e_tree_model_value_is_empty (ETreeModel *etree,
gint col,
gconstpointer value);
gchar * e_tree_model_value_to_string (ETreeModel *etree,
gint col,
gconstpointer value);
/* depth first traversal of path's descendents, calling func on each one */
void e_tree_model_node_traverse (ETreeModel *model,
ETreePath path,
ETreePathFunc func,
gpointer data);
void e_tree_model_node_traverse_preorder
(ETreeModel *model,
ETreePath path,
ETreePathFunc func,
gpointer data);
ETreePath e_tree_model_node_find (ETreeModel *model,
ETreePath path,
ETreePath end_path,
gboolean forward_direction,
ETreePathFunc func,
gpointer data);
/*
** Routines for emitting signals on the ETreeModel
*/
void e_tree_model_pre_change (ETreeModel *tree_model);
void e_tree_model_no_change (ETreeModel *tree_model);
void e_tree_model_rebuilt (ETreeModel *tree_model);
void e_tree_model_node_changed (ETreeModel *tree_model,
ETreePath node);
void e_tree_model_node_data_changed (ETreeModel *tree_model,
ETreePath node);
void e_tree_model_node_col_changed (ETreeModel *tree_model,
ETreePath node,
gint col);
void e_tree_model_node_inserted (ETreeModel *tree_model,
ETreePath parent_node,
ETreePath inserted_node);
void e_tree_model_node_removed (ETreeModel *tree_model,
ETreePath parent_node,
ETreePath removed_node,
gint old_position);
void e_tree_model_node_deleted (ETreeModel *tree_model,
ETreePath deleted_node);
void e_tree_model_node_request_collapse
(ETreeModel *tree_model,
ETreePath deleted_node);
G_END_DECLS
#endif /* _E_TREE_MODEL_H */
