path: root/widgets/e-table-model.c

/*
 * e-table-model.c: a Table Model
 *
 * Author:
 *   Miguel de Icaza (miguel@gnu.org)
 *
 * (C) 1999 International GNOME Support.
 */
#include <config.h>
#include "e-table-model.h"

#define ETM_CLASS(e) ((ETableModelClass *)((GtkObject *)e)->klass)

static GtkObjectClass *e_table_model_parent_class;

int
e_table_model_column_count (ETableModel *etable)
{
    return ETM_CLASS (etable)->column_count (etable);
}

const char *
e_table_model_column_name (ETableModel *etable, int col)
{
    return ETM_CLASS (etable)->column_name (etable, col);
}

int
e_table_model_row_count (ETableModel *etable)
{
    return ETM_CLASS (etable)->row_count (etable);
}

void *
e_table_model_value_at (ETableModel *etable, int col, int row)
{
    return ETM_CLASS (etable)->value_at (etable, col, row);
}

void
e_table_model_set_value_at (ETableModel *etable, int col, int row, void *data)
{
    return ETM_CLASS (etable)->set_value_at (etable, col, row, data);
}

gboolean
e_table_model_is_cell_editable (ETableModel *etable, int col, int row)
{
    return ETM_CLASS (etable)->is_cell_editable (etable, col, row);
}

int
e_table_model_row_height (ETableModel *etable, int row)
{
    return ETM_CLASS (etable)->row_height (etable, row);
}

typedef struct {
    ETableModelListenerFn listener;
    void *data;
} listener_t;

void
e_table_model_add_listener (ETableModel *etable, ETableModelListenerFn listener, void *data)
{
    listener_t *lis;

    lis = g_new (listener_t, 1);
    lis->listener_t = listener;
    lis->data = data;
    
    etable->listeners = g_list_prepend (etable->listeners, lis);
}

void
e_table_model_remove_listener (ETableModel *etable, ETableModelListenerFn listener, void *data)
{
    GSList *l;
    
    for (l = etable->listeners; l; l = l->next){
        listener_t *lis = l->data;

        if (lis->listener == listener && lis->data == data){
            etable->listeners = g_list_remove (etable->listeners, lis);
            g_free (lis);
            return;
        }
    }
}

static void
e_table_model_destroy (GtkObject *object)
{
    GSList *l;
    
    ETableModel *etable = (ETableModel *) object;

    for (l = etable->listeners; l; l = l->next)
        g_free (l->data);
    g_list_free (etable->listeners);

    if (e_table_model_parent_class->destroy)
        (*e_table_model_parent_class->destroy)(object);
}

static void
e_table_model_class_init (GtkObjectClass *class)
{
    e_table_model_parent_class = gtk_type_class (gtk_object_get_type ());
    
    class->destroy = e_table_model_destroy;
}

GtkType
e_table_model_get_type (void)
{
    static GtkType type = 0;

    if (!type){
        GtkTypeInfo info = {
            "ETableModel",
            sizeof (ETableModel),
            sizeof (ETableModelClass),
            (GtkClassInitFunc) e_table_model_class_init,
            (GtkObjectInitFunc) NULL,
            NULL, /* reserved 1 */
            NULL, /* reserved 2 */
            (GtkClassInitFunc) NULL
        };

        type = gtk_type_unique (gtk_object_get_type (), &info);
    }

    return type;
}

int
e_table_model_height (ETableModel *etable)
{
    int rows;
    int size;
    g_return_val_if_fail (etable != NULL);

    rows = e_table_model_row_count (etable);
    size = 0;
    
    for (i = 0; i < rows; i++)
        size += e_table_model_row_height (etable, i);

    return size;
}