widgets/e-table-group.c


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/*
 * E-Table-Group.c: Implements the grouping objects for elements on a table
 *
 * Author:
 *   Miguel de Icaza (miguel@gnu.org()
 *
 * Copyright 1999, Helix Code, Inc.
 */

#include <config.h>
#include "e-table-group.h"

void
e_table_group_destroy (ETableGroup *etg)
{
    g_return_if_fail (etg != NULL);

    g_free (etg->title);

    if (etg->is_leaf == 0){
        GSList *l;

        for (l = etg->u.children; l; l = l->next){
            ETableGroup *child = l->data;

            e_table_group_destroy (child);
        }
        g_slist_free (etg->u.children);
        etg->u.children = NULL;
    }
    g_free (etg);
}

ETableGroup *
e_table_group_new_leaf (const char *title, ETableModel *table)
{
    ETableGroup *etg;

    g_return_val_if_fail (title != NULL, NULL);
    g_return_val_if_fail (table != NULL, NULL);
    
    etg = g_new (ETableGroup, 1);

    etg->expanded = 0;
    etg->is_leaf = 1;
    etg->u.table = table;
    etg->title = g_strdup (title);

    return etg;
}

ETableGroup *
e_table_group_new (const char *title)
{
    ETableGroup *etg;

    g_return_val_if_fail (title != NULL, NULL);
    
    etg = g_new (ETableGroup, 1);

    etg->expanded = 0;
    etg->is_leaf = 0;
    etg->u.children = NULL;
    etg->title = g_strdup (title);

    return etg;
}

void
e_table_group_append_child (ETableGroup *etg, ETableGroup *child)
{
    g_return_if_fail (etg != NULL);
    g_return_if_fail (child != NULL);
    g_return_if_fail (etg->is_leaf != 0);

    etg->u.children = g_slist_append (etg->u.children, child);
}

int
e_table_group_size (ETableGroup *etg)
{
    g_return_if_fail (etg != NULL);

    if (etg->is_leaf)
        return e_table_model_height (etg->u.table);
    else {
        GSList *l;
        int size = 0;
        
        for (l = etg->u.children; l; l = l->next){
            ETableGroup *child = l->data;

            size += e_table_group_size (child);
        }
        return size;
    }
}