/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2006, 2008, 2009, 2010, 2011, 2012 Free Software Foundation
+ Copyright (C) 2006, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
enum
{
- BACKEND_CHANGED,
+ ITEMS_CHANGED,
CASES_DELETED,
CASE_INSERTED,
CASE_CHANGED,
static guint signals [n_SIGNALS];
+static gint
+__tree_model_iter_n_children (GtkTreeModel *tree_model,
+ GtkTreeIter *iter)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ gint n = datasheet_get_n_rows (store->datasheet);
+
+ return n;
+}
+
+static GtkTreeModelFlags
+__tree_model_get_flags (GtkTreeModel *model)
+{
+ g_return_val_if_fail (PSPPIRE_IS_DATA_STORE (model), (GtkTreeModelFlags) 0);
+
+ return GTK_TREE_MODEL_LIST_ONLY;
+}
+
+static gint
+__tree_model_get_n_columns (GtkTreeModel *tree_model)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ return psppire_dict_get_value_cnt (store->dict);
+}
+
+
+static gboolean
+__iter_nth_child (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ GtkTreeIter *parent,
+ gint n)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ g_assert (parent == NULL);
+
+ g_return_val_if_fail (store, FALSE);
+ g_return_val_if_fail (store->datasheet, FALSE);
+
+ if (n >= datasheet_get_n_rows (store->datasheet))
+ {
+ iter->stamp = -1;
+ iter->user_data = NULL;
+ return FALSE;
+ }
+
+ iter->user_data = n;
+ return TRUE;
+}
+
+
+
+static void
+__get_value (GtkTreeModel *tree_model,
+ GtkTreeIter *iter,
+ gint column,
+ GValue *value)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ const struct variable *variable = psppire_dict_get_variable (store->dict, column);
+
+ if (var_is_numeric (variable))
+ g_value_init (value, G_TYPE_DOUBLE);
+ else
+ g_value_init (value, G_TYPE_STRING);
+
+ gint row = GPOINTER_TO_INT (iter->user_data);
+
+ struct ccase *cc = datasheet_get_row (store->datasheet, row);
+
+ if (var_is_numeric (variable))
+ g_value_set_double (value, case_data_idx (cc, column)->f);
+ else
+ {
+ const gchar *ss = value_str (case_data_idx (cc, column),
+ var_get_width (variable));
+ g_value_set_string (value, ss);
+ }
+ case_unref (cc);
+}
+
+
+static GType
+__get_type (GtkTreeModel *tree_model, gint idx)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (tree_model);
+
+ const struct variable *variable = psppire_dict_get_variable (store->dict, idx);
+
+ if (var_is_numeric (variable))
+ return G_TYPE_DOUBLE;
+
+ return G_TYPE_STRING;
+}
+
+static void
+__tree_model_init (GtkTreeModelIface *iface)
+{
+ iface->get_flags = __tree_model_get_flags;
+ iface->get_n_columns = __tree_model_get_n_columns ;
+ iface->get_column_type = __get_type;
+ iface->get_iter = NULL;
+ iface->iter_next = NULL;
+ iface->get_path = NULL;
+ iface->get_value = __get_value;
+
+ iface->iter_children = NULL;
+ iface->iter_has_child = NULL;
+ iface->iter_n_children = __tree_model_iter_n_children;
+ iface->iter_nth_child = __iter_nth_child;
+ iface->iter_parent = NULL;
+}
+
GType
psppire_data_store_get_type (void)
(GInstanceInitFunc) psppire_data_store_init,
};
+ static const GInterfaceInfo tree_model_info = {
+ (GInterfaceInitFunc) __tree_model_init,
+ NULL,
+ NULL
+ };
+
data_store_type = g_type_register_static (G_TYPE_OBJECT,
"PsppireDataStore",
&data_store_info, 0);
+
+ g_type_add_interface_static (data_store_type, GTK_TYPE_TREE_MODEL,
+ &tree_model_info);
}
return data_store_type;
object_class->finalize = psppire_data_store_finalize;
object_class->dispose = psppire_data_store_dispose;
- signals [BACKEND_CHANGED] =
- g_signal_new ("backend-changed",
+ signals [ITEMS_CHANGED] =
+ g_signal_new ("changed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_FIRST,
0,
NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
+ psppire_marshal_VOID__UINT_UINT_UINT,
G_TYPE_NONE,
- 0);
+ 3,
+ G_TYPE_UINT,
+ G_TYPE_UINT,
+ G_TYPE_UINT);
signals [CASE_INSERTED] =
g_signal_new ("case-inserted",
const char *enc = dict_get_encoding (aux->dict);
const struct fmt_spec *newfmt = var_get_print_format (aux->new_variable);
char *s = data_out (old, enc, var_get_print_format (aux->old_variable));
- free (data_in (ss_cstr (s), enc, newfmt->type, new, new_width, enc));
+ enum fmt_type type = (fmt_usable_for_input (newfmt->type)
+ ? newfmt->type
+ : FMT_DOLLAR);
+ free (data_in (ss_cstr (s), enc, type, new, new_width, enc));
free (s);
}
struct casereader *reader)
{
gint i;
-
+ gint old_n = 0;
if ( ds->datasheet)
- datasheet_destroy (ds->datasheet);
+ {
+ old_n = datasheet_get_n_rows (ds->datasheet);
+ datasheet_destroy (ds->datasheet);
+ }
ds->datasheet = datasheet_create (reader);
+ gint new_n = datasheet_get_n_rows (ds->datasheet);
+
if ( ds->dict )
for (i = 0 ; i < n_dict_signals; ++i )
{
}
}
- g_signal_emit (ds, signals[BACKEND_CHANGED], 0);
+ g_signal_emit (ds, signals[ITEMS_CHANGED], 0, 0, old_n, new_n);
}
if (ds->dispose_has_run)
return;
+ psppire_data_store_set_dictionary (ds, NULL);
/* must chain up */
(* parent_class->dispose) (object);