/**
* gdaui_data_entry_set_reference_current:
* @de: a #GtkWidget object which implements the #GdauiDataEntry interface
*
* Tells that the current value in @de is to be considered as the reference value
*
* Since: 4.2
*/
void
gdaui_data_entry_set_reference_current (GdauiDataEntry *de)
{
GValue *value;
g_return_if_fail (GDAUI_IS_DATA_ENTRY (de));
value = gdaui_data_entry_get_value (de);
gdaui_data_entry_set_reference_value (de, value);
if (value)
gda_value_free (value);
}
static void
set_preview_widget (TablePreferences *tpref)
{
GtkWidget *preview = NULL;
GtkTreeIter iter;
if (!tpref->priv->current_column)
return;
if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (tpref->priv->plugins_combo), &iter)) {
GdauiPlugin *plugin;
GtkTreeModel *model;
GType gtype;
gtype = tpref->priv->current_column->gtype;
model = tpref->priv->plugins_model;
gtk_tree_model_get (model, &iter, PL_COLUMN_PLUGIN, &plugin, -1);
if (plugin) {
GString *string = NULL;
if (tpref->priv->options_wid) {
GdaSet *plist;
GSList *list;
plist = gdaui_basic_form_get_data_set (GDAUI_BASIC_FORM (tpref->priv->options_wid));
for (list = plist->holders; list; list = list->next) {
GdaHolder *holder;
holder = GDA_HOLDER (list->data);
if (gda_holder_is_valid (holder)) {
const GValue *cvalue;
cvalue = gda_holder_get_value (holder);
if (cvalue && (G_VALUE_TYPE (cvalue) != GDA_TYPE_NULL)) {
gchar *str = gda_value_stringify (cvalue);
gchar *r1, *r2;
if (!string)
string = g_string_new ("");
else
g_string_append_c (string, ';');
r1 = gda_rfc1738_encode (gda_holder_get_id (holder));
r2 = gda_rfc1738_encode (str);
g_free (str);
g_string_append_printf (string, "%s=%s", r1, r2);
g_free (r1);
g_free (r2);
}
}
}
}
if (string) {
g_string_prepend_c (string, ':');
g_string_prepend (string, plugin->plugin_name);
preview = GTK_WIDGET (gdaui_new_data_entry (gtype, string->str));
g_string_free (string, TRUE);
}
else
preview = GTK_WIDGET (gdaui_new_data_entry (gtype, plugin->plugin_name));
}
else
preview = GTK_WIDGET (gdaui_new_data_entry (gtype, NULL));
}
GValue *prev_value = NULL;
if (tpref->priv->preview_wid) {
prev_value = gdaui_data_entry_get_value (GDAUI_DATA_ENTRY (tpref->priv->preview_wid));
gtk_widget_destroy (tpref->priv->preview_wid);
gtk_widget_show (tpref->priv->preview_none);
tpref->priv->preview_wid = NULL;
}
if (preview) {
if (prev_value &&
(G_VALUE_TYPE (prev_value) == gdaui_data_entry_get_value_type (GDAUI_DATA_ENTRY (preview))))
gdaui_data_entry_set_value (GDAUI_DATA_ENTRY (preview), prev_value);
gdaui_data_entry_set_attributes (GDAUI_DATA_ENTRY (preview),
0, GDA_VALUE_ATTR_ACTIONS_SHOWN);
tpref->priv->preview_wid = preview;
gtk_box_pack_start (GTK_BOX (tpref->priv->preview_vbox), preview, TRUE, TRUE, 0);
gtk_widget_hide (tpref->priv->preview_none);
gtk_widget_show (tpref->priv->preview_wid);
}
if (prev_value)
gda_value_free (prev_value);
}