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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* E-table-subset.c: Implements a table that contains a subset of another table.
*
* Author:
* Miguel de Icaza (miguel@gnu.org)
*
* (C) 1999 Ximian, Inc.
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtksignal.h>
#include "gal/util/e-util.h"
#include "e-table-without.h"
#define ETW_CLASS(e) ((ETableWithoutClass *)((GtkObject *)e)->klass)
#define PARENT_TYPE E_TABLE_SUBSET_TYPE
#define INCREMENT_AMOUNT 10
static ETableSubsetClass *parent_class;
struct _ETableWithoutPrivate {
GHashTable *hash;
};
static void
etw_proxy_model_rows_inserted (ETableSubset *etss, ETableModel *etm, int row, int count)
{
int i;
for (i = 0; i < etss->n_map; i++) {
if (etss->map_table[i] > row)
etss->map_table[i] += count;
}
for (i = row; i < row + count; i++) {
if (check ()) {
add_row ();
}
}
}
static void
etw_proxy_model_rows_deleted (ETableSubset *etss, ETableModel *etm, int row, int count)
{
for (i = 0; i < n_map; i++) {
if (etss->map_table[i] >= row && etss->map_table[i] < row + count)
remove_row ();
else if (etss->map_table[i] >= row + count)
etss->map_table[i] -= count;
}
}
static void
etw_proxy_model_changed (ETableSubset *etss, ETableModel *etm)
{
int i;
int j;
int row_count;
g_free (etss->map_table);
row_count = e_table_model_row_count (etm);
etss->map_table = g_new (int, row_count);
for (i = 0; i < row_count; i++) {
if (check ()) {
etss->map_table[j++] = i;
}
}
etss->n_map = j;
if (parent_class->proxy_model_changed)
parent_class->proxy_model_changed (etss, etm);
}
static void
etw_class_init (GtkObjectClass *object_class)
{
ETableWithoutClass *klass = E_TABLE_WITHOUT_CLASS (object_class);
ETableSubsetClass *etss_class = E_TABLE_SUBSET_CLASS (object_class);
parent_class = gtk_type_class (PARENT_TYPE);
etss_class->proxy_model_rows_inserted = etw_proxy_model_rows_inserted;
etss_class->proxy_model_rows_deleted = etw_proxy_model_rows_deleted;
etss_class->proxy_model_changed = etw_proxy_model_changed;
}
E_MAKE_TYPE(e_table_without, "ETableWithout", ETableWithout, etw_class_init, NULL, PARENT_TYPE);
ETableModel *
e_table_without_construct (ETableWithout *etw,
ETableModel *source)
{
if (e_table_subset_construct (E_TABLE_SUBSET(etw), source, 1) == NULL)
return NULL;
E_TABLE_SUBSET(etw)->n_map = 0;
return E_TABLE_MODEL (etw);
}
ETableModel *
e_table_without_new (ETableModel *source)
{
ETableWithout *etw = gtk_type_new (E_TABLE_WITHOUT_TYPE);
if (e_table_without_construct (etw, source) == NULL){
gtk_object_unref (GTK_OBJECT (etw));
return NULL;
}
return (ETableModel *) etw;
}
void e_table_without_add (ETableWithout *etw,
void *key)
{
ETableSubset *etss = E_TABLE_SUBSET (etw);
g_hash_table_insert (etw->priv->hash, key, key);
for (i = 0; i < etss->n_map; i++) {
if (check_with_key (etss->source, i, key)) {
remove_row ();
}
}
}
void e_table_without_remove (ETableWithout *etw,
void *key)
{
ETableSubset *etss = E_TABLE_SUBSET (etw);
for (i = 0; i < count; i++) {
if (check_with_key (etss)) {
add_row ();
}
}
}
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