/* 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
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 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);
+
+ g_value_init (value, G_TYPE_DOUBLE);
+
+ gint row = GPOINTER_TO_INT (iter->user_data);
+
+ struct ccase *cc = datasheet_get_row (store->datasheet, row);
+
+ g_value_set_double (value, case_data_idx (cc, column)->f);
+ case_unref (cc);
+}
+
+
+static void
+__tree_model_init (GtkTreeModelIface *iface)
+{
+ iface->get_flags = NULL;
+ iface->get_n_columns = __tree_model_get_n_columns ;
+ iface->get_column_type = NULL;
+ 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;
{
PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
+ g_return_if_fail (store->datasheet);
datasheet_delete_columns (store->datasheet, case_index, 1);
datasheet_insert_column (store->datasheet, NULL, -1, case_index);
}
+struct resize_datum_aux
+ {
+ const struct dictionary *dict;
+ const struct variable *new_variable;
+ const struct variable *old_variable;
+ };
+
static void
-variable_changed_callback (GObject *obj, gint var_num, gpointer data)
+resize_datum (const union value *old, union value *new, const void *aux_)
{
+ const struct resize_datum_aux *aux = aux_;
+ int new_width = var_get_width (aux->new_variable);
+ 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));
+ 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);
+}
+
+static void
+variable_changed_callback (GObject *obj, gint var_num, guint what, const struct variable *oldvar,
+ gpointer data)
+{
+ PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
+ struct variable *variable = psppire_dict_get_variable (store->dict, var_num);
+
+ if (what & VAR_TRAIT_WIDTH)
+ {
+ int posn = var_get_case_index (variable);
+ struct resize_datum_aux aux;
+ aux.old_variable = oldvar;
+ aux.new_variable = variable;
+ aux.dict = store->dict->dict;
+ datasheet_resize_column (store->datasheet, posn, var_get_width (variable),
+ resize_datum, &aux);
+ }
}
static void
psppire_data_store_insert_value (store, var_get_width (variable), posn);
}
-struct resize_datum_aux
- {
- int old_width;
- int new_width;
- };
-
-
-void
-resize_datum (const union value *old, union value *new, void *aux_)
-{
- struct resize_datum_aux *aux = aux_;
-
- if (aux->new_width == 0)
- {
- /* FIXME: try to parse string as number. */
- new->f = SYSMIS;
- }
- else if (aux->old_width == 0)
- {
- /* FIXME: format number as string. */
- value_set_missing (new, aux->new_width);
- }
- else
- value_copy_rpad (new, aux->new_width, old, aux->old_width, ' ');
-}
-
-static void
-dict_size_change_callback (GObject *obj,
- gint var_num, gint old_width, gpointer data)
-{
- PsppireDataStore *store = PSPPIRE_DATA_STORE (data);
- struct variable *variable;
- int posn;
-
- variable = psppire_dict_get_variable (store->dict, var_num);
- posn = var_get_case_index (variable);
-
- if (old_width != var_get_width (variable))
- {
- struct resize_datum_aux aux;
- aux.old_width = old_width;
- aux.new_width = var_get_width (variable);
- datasheet_resize_column (store->datasheet, posn, aux.new_width,
- resize_datum, &aux);
- }
-}
-
-
-
/**
* psppire_data_store_new:
* @dict: The dictionary for this data_store.
ds->datasheet = datasheet_create (reader);
+ g_signal_emit_by_name (ds, "notify", 0, 0);
+ g_print ("Datasheet row count %d\n", datasheet_get_n_rows (ds->datasheet));
+
if ( ds->dict )
for (i = 0 ; i < n_dict_signals; ++i )
{
g_signal_connect (dict, "variable-changed",
G_CALLBACK (variable_changed_callback),
data_store);
-
- data_store->dict_handler_id [SIZE_CHANGED] =
- g_signal_connect (dict, "dict-size-changed",
- G_CALLBACK (dict_size_change_callback),
- data_store);
}
if (ds->dispose_has_run)
return;
+ psppire_data_store_set_dictionary (ds, NULL);
/* must chain up */
(* parent_class->dispose) (object);
int width;
g_return_val_if_fail (store != NULL, NULL);
+ g_return_val_if_fail (store->datasheet != NULL, NULL);
g_return_val_if_fail (var != NULL, NULL);
if (row < 0 || row >= datasheet_get_n_rows (store->datasheet))