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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);
if (etss->source)
gtk_object_unref (GTK_OBJECT (etss->source));
if (etss->map_table)
free (etss->map_table);
GTK_OBJECT_CLASS (etss_parent_class)->destroy (object);
}
static int
etss_column_count (ETableModel *etm)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_column_count (etss->source);
}
static const char *
etss_column_name (ETableModel *etm, int col)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_column_name (etss->source, col);
}
static int
etss_row_count (ETableModel *etm)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_row_count (etss->source);
}
static void *
etss_value_at (ETableModel *etm, int col, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_value_at (etss->source, col, etss->map_table [row]);
}
static void
etss_set_value_at (ETableModel *etm, int col, int row, void *val)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_set_value_at (etss->source, col, etss->map_table [row], val);
}
static gboolean
etss_is_cell_editable (ETableModel *etm, int col, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_is_cell_editable (etss->source, col, etss->map_table [row]);
}
static int
etss_row_height (ETableModel *etm, int row)
{
ETableSubset *etss = (ETableSubset *)etm;
return e_table_model_row_height (etss->source, etss->map_table [row]);
}
static void
etss_class_init (GtkObjectClass *klass)
{
ETableModelClass *table_class = (ETableModelClass *) klass;
etss_parent_class = gtk_type_class (PARENT_TYPE);
klass->destroy = etss_destroy;
table_class->column_count = etss_column_count;
table_class->column_name = etss_column_name;
table_class->row_count = etss_row_count;
table_class->value_at = etss_value_at;
table_class->set_value_at = etss_set_value_at;
table_class->is_cell_editable = etss_is_cell_editable;
table_class->row_height = etss_row_height;
}
E_MAKE_TYPE(e_table_subset, "ETableSubset", ETableSubset, etss_class_init, NULL, PARENT_TYPE);
ETableModel *
e_table_subset_construct (ETableSubset *etss, ETableModel *source, int nvals)
{
unsigned int *buffer;
int i;
buffer = (unsigned int *) malloc (sizeof (unsigned int *) * nvals);
if (buffer = NULL)
return NULL;
etss->map_table = buffer;
etss->n_map = nvals;
etss->source = source;
gtk_object_ref (GTK_OBJECT (source));
/* Init */
for (i = 0; i < nvals; i++)
etss->map_table [i] = i;
}
ETableModel *
e_table_subset_new (ETableModel *source, const int nvals)
{
ETableSubset *etss = gtk_type_new (E_TABLE_SUBSET_TYPE);
if (e_table_subset_construct (etss, source, nvals) == NULL){
gtk_object_destroy (GTK_OBJECT (etss));
return NULL;
}
return (ETableModel *) etss;
}
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