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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-table-subset-variable.c
* Copyright 2000, 2001, Ximian, Inc.
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include "e-util/e-util.h"
#include "e-table-subset-variable.h"
#define ETSSV_CLASS(e) (E_TABLE_SUBSET_VARIABLE_GET_CLASS (e))
#define INCREMENT_AMOUNT 10
static void
etssv_add (ETableSubsetVariable *etssv,
gint row)
{
ETableModel *etm = E_TABLE_MODEL(etssv);
ETableSubset *etss = E_TABLE_SUBSET(etssv);
e_table_model_pre_change(etm);
if (etss->n_map + 1 > etssv->n_vals_allocated){
etssv->n_vals_allocated += INCREMENT_AMOUNT;
etss->map_table = g_realloc (etss->map_table, etssv->n_vals_allocated * sizeof(int));
}
etss->map_table[etss->n_map++] = row;
e_table_model_row_inserted (etm, etss->n_map - 1);
}
static void
etssv_add_array (ETableSubsetVariable *etssv,
const gint *array,
gint count)
{
ETableModel *etm = E_TABLE_MODEL(etssv);
ETableSubset *etss = E_TABLE_SUBSET(etssv);
int i;
e_table_model_pre_change(etm);
if (etss->n_map + count > etssv->n_vals_allocated){
etssv->n_vals_allocated += MAX(INCREMENT_AMOUNT, count);
etss->map_table = g_realloc (etss->map_table, etssv->n_vals_allocated * sizeof(int));
}
for (i = 0; i < count; i++)
etss->map_table[etss->n_map++] = array[i];
e_table_model_changed (etm);
}
static void
etssv_add_all (ETableSubsetVariable *etssv)
{
ETableModel *etm = E_TABLE_MODEL(etssv);
ETableSubset *etss = E_TABLE_SUBSET(etssv);
int rows;
int i;
e_table_model_pre_change(etm);
rows = e_table_model_row_count(etss->source);
if (etss->n_map + rows > etssv->n_vals_allocated){
etssv->n_vals_allocated += MAX(INCREMENT_AMOUNT, rows);
etss->map_table = g_realloc (etss->map_table, etssv->n_vals_allocated * sizeof(int));
}
for (i = 0; i < rows; i++)
etss->map_table[etss->n_map++] = i;
e_table_model_changed (etm);
}
static gboolean
etssv_remove (ETableSubsetVariable *etssv,
gint row)
{
ETableModel *etm = E_TABLE_MODEL(etssv);
ETableSubset *etss = E_TABLE_SUBSET(etssv);
int i;
for (i = 0; i < etss->n_map; i++){
if (etss->map_table[i] == row) {
e_table_model_pre_change (etm);
memmove (etss->map_table + i, etss->map_table + i + 1, (etss->n_map - i - 1) * sizeof(int));
etss->n_map --;
e_table_model_row_deleted (etm, i);
return TRUE;
}
}
return FALSE;
}
static void
etssv_class_init (GObjectClass *object_class)
{
ETableSubsetVariableClass *klass = E_TABLE_SUBSET_VARIABLE_CLASS(object_class);
klass->add = etssv_add;
klass->add_array = etssv_add_array;
klass->add_all = etssv_add_all;
klass->remove = etssv_remove;
}
E_MAKE_TYPE(e_table_subset_variable, "ETableSubsetVariable", ETableSubsetVariable, etssv_class_init, NULL, E_TABLE_SUBSET_TYPE)
ETableModel *
e_table_subset_variable_construct (ETableSubsetVariable *etssv,
ETableModel *source)
{
if (e_table_subset_construct (E_TABLE_SUBSET(etssv), source, 1) == NULL)
return NULL;
E_TABLE_SUBSET(etssv)->n_map = 0;
return E_TABLE_MODEL (etssv);
}
ETableModel *
e_table_subset_variable_new (ETableModel *source)
{
ETableSubsetVariable *etssv = g_object_new (E_TABLE_SUBSET_VARIABLE_TYPE, NULL);
if (e_table_subset_variable_construct (etssv, source) == NULL){
g_object_unref (etssv);
return NULL;
}
return (ETableModel *) etssv;
}
void
e_table_subset_variable_add (ETableSubsetVariable *etssv,
gint row)
{
g_return_if_fail (etssv != NULL);
g_return_if_fail (E_IS_TABLE_SUBSET_VARIABLE(etssv));
if (ETSSV_CLASS(etssv)->add)
ETSSV_CLASS (etssv)->add (etssv, row);
}
void
e_table_subset_variable_add_array (ETableSubsetVariable *etssv,
const gint *array,
gint count)
{
g_return_if_fail (etssv != NULL);
g_return_if_fail (E_IS_TABLE_SUBSET_VARIABLE(etssv));
if (ETSSV_CLASS(etssv)->add_array)
ETSSV_CLASS (etssv)->add_array (etssv, array, count);
}
void
e_table_subset_variable_add_all (ETableSubsetVariable *etssv)
{
g_return_if_fail (etssv != NULL);
g_return_if_fail (E_IS_TABLE_SUBSET_VARIABLE(etssv));
if (ETSSV_CLASS(etssv)->add_all)
ETSSV_CLASS (etssv)->add_all (etssv);
}
gboolean
e_table_subset_variable_remove (ETableSubsetVariable *etssv,
gint row)
{
g_return_val_if_fail (etssv != NULL, FALSE);
g_return_val_if_fail (E_IS_TABLE_SUBSET_VARIABLE(etssv), FALSE);
if (ETSSV_CLASS(etssv)->remove)
return ETSSV_CLASS (etssv)->remove (etssv, row);
else
return FALSE;
}
void
e_table_subset_variable_clear (ETableSubsetVariable *etssv)
{
ETableModel *etm = E_TABLE_MODEL(etssv);
ETableSubset *etss = E_TABLE_SUBSET(etssv);
e_table_model_pre_change (etm);
etss->n_map = 0;
g_free (etss->map_table);
etss->map_table = g_new (unsigned int, 1);
etssv->n_vals_allocated = 1;
e_table_model_changed (etm);
}
void
e_table_subset_variable_increment (ETableSubsetVariable *etssv,
gint position,
gint amount)
{
int i;
ETableSubset *etss = E_TABLE_SUBSET(etssv);
for (i = 0; i < etss->n_map; i++) {
if (etss->map_table[i] >= position)
etss->map_table[i] += amount;
}
}
void
e_table_subset_variable_decrement (ETableSubsetVariable *etssv,
gint position,
gint amount)
{
int i;
ETableSubset *etss = E_TABLE_SUBSET(etssv);
for (i = 0; i < etss->n_map; i++) {
if (etss->map_table[i] >= position)
etss->map_table[i] -= amount;
}
}
void
e_table_subset_variable_set_allocation (ETableSubsetVariable *etssv,
gint total)
{
ETableSubset *etss = E_TABLE_SUBSET(etssv);
if (total <= 0)
total = 1;
if (total > etss->n_map){
etss->map_table = g_realloc (etss->map_table, total * sizeof(int));
}
}
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