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/*
* e-tree-model.h
*
* 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.
*
* 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 General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#if !defined (__E_UTIL_H_INSIDE__) && !defined (LIBEUTIL_COMPILATION)
#error "Only <e-util/e-util.h> should be included directly."
#endif
#ifndef E_TREE_MODEL_H
#define E_TREE_MODEL_H
#include <glib-object.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_IS_TREE_MODEL(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE \
((obj), E_TYPE_TREE_MODEL))
#define E_TREE_MODEL_GET_INTERFACE(obj) \
(G_TYPE_INSTANCE_GET_INTERFACE \
((obj), E_TYPE_TREE_MODEL, ETreeModelInterface))
G_BEGIN_DECLS
typedef gpointer ETreePath;
typedef struct _ETreeModel ETreeModel;
typedef struct _ETreeModelInterface ETreeModelInterface;
typedef gboolean (*ETreePathFunc) (ETreeModel *tree_model,
ETreePath path,
gpointer data);
struct _ETreeModelInterface {
GTypeInterface parent_interface;
ETreePath (*get_root) (ETreeModel *tree_model);
ETreePath (*get_parent) (ETreeModel *tree_model,
ETreePath path);
ETreePath (*get_first_child) (ETreeModel *tree_model,
ETreePath path);
ETreePath (*get_next) (ETreeModel *tree_model,
ETreePath path);
gboolean (*is_root) (ETreeModel *tree_model,
ETreePath path);
gboolean (*is_expandable) (ETreeModel *tree_model,
ETreePath path);
guint (*get_n_nodes) (ETreeModel *tree_model);
guint (*get_n_children) (ETreeModel *tree_model,
ETreePath path);
guint (*depth) (ETreeModel *tree_model,
ETreePath path);
gboolean (*get_expanded_default) (ETreeModel *tree_model);
gint (*column_count) (ETreeModel *tree_model);
gchar * (*get_save_id) (ETreeModel *tree_model,
ETreePath path);
ETreePath (*get_node_by_id) (ETreeModel *tree_model,
const gchar *save_id);
/*
* ETable analogs
*/
gpointer (*sort_value_at) (ETreeModel *tree_model,
ETreePath path,
gint col);
gpointer (*value_at) (ETreeModel *tree_model,
ETreePath path,
gint col);
gpointer (*duplicate_value) (ETreeModel *tree_model,
gint col,
gconstpointer value);
void (*free_value) (ETreeModel *tree_model,
gint col,
gpointer value);
gpointer (*initialize_value) (ETreeModel *tree_model,
gint col);
gboolean (*value_is_empty) (ETreeModel *tree_model,
gint col,
gconstpointer value);
gchar * (*value_to_string) (ETreeModel *tree_model,
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 *tree_model);
void (*node_changed) (ETreeModel *tree_model,
ETreePath path);
void (*node_data_changed) (ETreeModel *tree_model,
ETreePath path);
void (*node_inserted) (ETreeModel *tree_model,
ETreePath parent,
ETreePath inserted_path);
void (*node_removed) (ETreeModel *tree_model,
ETreePath parent,
ETreePath removed_path,
gint old_position);
void (*node_deleted) (ETreeModel *tree_model,
ETreePath deleted_path);
void (*rebuilt) (ETreeModel *tree_model);
};
GType e_tree_model_get_type (void) G_GNUC_CONST;
/* tree traversal operations */
ETreePath e_tree_model_get_root (ETreeModel *tree_model);
ETreePath e_tree_model_node_get_parent (ETreeModel *tree_model,
ETreePath path);
ETreePath e_tree_model_node_get_first_child
(ETreeModel *tree_model,
ETreePath path);
ETreePath e_tree_model_node_get_next (ETreeModel *tree_model,
ETreePath path);
/* node accessors */
gboolean e_tree_model_node_is_root (ETreeModel *tree_model,
ETreePath path);
gboolean e_tree_model_node_is_expandable (ETreeModel *tree_model,
ETreePath path);
guint e_tree_model_node_get_n_nodes (ETreeModel *tree_model);
guint e_tree_model_node_get_n_children
(ETreeModel *tree_model,
ETreePath path);
guint e_tree_model_node_depth (ETreeModel *tree_model,
ETreePath path);
gboolean e_tree_model_get_expanded_default
(ETreeModel *tree_model);
gint e_tree_model_column_count (ETreeModel *tree_model);
gchar * e_tree_model_get_save_id (ETreeModel *tree_model,
ETreePath path);
ETreePath e_tree_model_get_node_by_id (ETreeModel *tree_model,
const gchar *save_id);
gpointer e_tree_model_sort_value_at (ETreeModel *tree_model,
ETreePath path,
gint col);
gpointer e_tree_model_value_at (ETreeModel *tree_model,
ETreePath path,
gint col);
gpointer e_tree_model_duplicate_value (ETreeModel *tree_model,
gint col,
gconstpointer value);
void e_tree_model_free_value (ETreeModel *tree_model,
gint col,
gpointer value);
gpointer e_tree_model_initialize_value (ETreeModel *tree_model,
gint col);
gboolean e_tree_model_value_is_empty (ETreeModel *tree_model,
gint col,
gconstpointer value);
gchar * e_tree_model_value_to_string (ETreeModel *tree_model,
gint col,
gconstpointer value);
/* depth first traversal of path's descendents, calling func on each one */
void e_tree_model_node_traverse (ETreeModel *tree_model,
ETreePath path,
ETreePathFunc func,
gpointer data);
ETreePath e_tree_model_node_find (ETreeModel *tree_model,
ETreePath path,
ETreePath end_path,
ETreePathFunc func,
gpointer data);
/*
** Routines for emitting signals on the ETreeModel
*/
void e_tree_model_pre_change (ETreeModel *tree_model);
void e_tree_model_rebuilt (ETreeModel *tree_model);
void e_tree_model_node_changed (ETreeModel *tree_model,
ETreePath path);
void e_tree_model_node_data_changed (ETreeModel *tree_model,
ETreePath path);
void e_tree_model_node_inserted (ETreeModel *tree_model,
ETreePath parent_path,
ETreePath inserted_path);
void e_tree_model_node_removed (ETreeModel *tree_model,
ETreePath parent_path,
ETreePath removed_path,
gint old_position);
void e_tree_model_node_deleted (ETreeModel *tree_model,
ETreePath deleted_path);
G_END_DECLS
#endif /* E_TREE_MODEL_H */
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