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/*
* E-table-subset.c: Implements a table that contains a subset of another table.
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* (C) 1999 Helix Code, Inc.
*/
#include <config.h>
#include "e-util.h"
#include "e-table-subset.h"
#define PARENT_TYPE E_TABLE_MODEL_TYPE
static ETableModelClass *etss_parent_class;
static void
etss_destroy (GtkObject *object)
{
ETableSubset *etss = E_TABLE_SUBSET (object);
gtk_object_unref (GTK_OBJECT (etss->source));
free (ets->subset_table);
GTK_OBJECT_CLASS (ets_parent_class)->destroy (object);
}
static void
etss_class_init (GtkObjectClass *klass)
{
etss_parent_class = gtk_type_class (PARENT_TYPE);
klass->destroy = etss_destroy;
}
E_MAKE_TYPE(e_table_subset, "ETableSubset", ETableSubset, etss_class_init, NULL, PARENT_TYPE);
ETableModel *
e_table_subset_new (ETableModel *source, ETableHeader *header, short sort_field)
{
ETableSorted *ets = gtk_type_new (E_TABLE_SORTED_TYPE);
const int nvals = e_table_model_row_count (source);
unsigned int *buffer;
int i;
buffer = malloc (sizeof (unsigned int *) * nvals);
if (buffer = NULL)
return NULL;
ets->map_table = buffer;
ets->n_map = nvals;
ets->source = source;
ets->header = header;
ets->sort_col = e_table_header_get_column (header, sort_field);
ets->sort_idx = sort_field;
gtk_object_ref (GTK_OBJECT (source));
gtk_object_ref (GTK_OBJECT (header));
/* Init */
for (i = 0; i < nvals; i++)
ets->map_table [i] = i;
/* Sort */
g_assert (sort_ets == NULL);
sort_ets = ets;
qsort (ets->map_table, nvals, sizeof (unsigned int), my_sort);
sort_ets = NULL;
return (ETableModel *) ets;
}
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