From 2b849ff2bfea2bea2263ab93d4aab540db98c483 Mon Sep 17 00:00:00 2001
From: Andrea Zagli <azagli@libero.it>
Date: Wed, 6 Jan 2021 10:22:08 +0100
Subject: [PATCH] Added element for error message to FormValidatorCompare.

---
 src/formvalidatorcompare.c | 55 ++++++++++++++++++++++++++++++++++++++
 src/formvalidatorcompare.h |  3 +++
 2 files changed, 58 insertions(+)

diff --git a/src/formvalidatorcompare.c b/src/formvalidatorcompare.c
index 64b93cd..208819b 100644
--- a/src/formvalidatorcompare.c
+++ b/src/formvalidatorcompare.c
@@ -61,6 +61,8 @@ struct _ZakFormValidatorComparePrivate
 
 		ZakFormElement *v1;
 		ZakFormElement *v2;
+
+		ZakFormElement *message;
 	};
 
 G_DEFINE_TYPE_WITH_PRIVATE (ZakFormValidatorCompare, zak_form_validator_compare, ZAK_FORM_TYPE_VALIDATOR)
@@ -88,6 +90,7 @@ zak_form_validator_compare_init (ZakFormValidatorCompare *validator)
 
 	priv->v1 = NULL;
 	priv->v2 = NULL;
+	priv->message = NULL;
 }
 
 /**
@@ -131,6 +134,10 @@ zak_form_validator_compare_xml_parsing (ZakFormValidator *validator, xmlNode *xn
 	zak_form_validator_compare_set_element2 ((ZakFormValidatorCompare *)validator, (ZakFormForm *)form, prop);
 	g_free (prop);
 
+	prop = (gchar *)xmlGetProp (xnode, (const xmlChar *)"element_message");
+	zak_form_validator_compare_set_element_message ((ZakFormValidatorCompare *)validator, (ZakFormForm *)form, prop);
+	g_free (prop);
+
 	return TRUE;
 }
 
@@ -243,6 +250,46 @@ const gchar
 		}
 }
 
+/**
+ * zak_form_validator_compare_set_element_message:
+ * @validator:
+ * @element:
+ *
+ * Sets the validator element with error message.
+ */
+void
+zak_form_validator_compare_set_element_message (ZakFormValidatorCompare *validator, ZakFormForm *form, const gchar *element)
+{
+	ZakFormValidatorComparePrivate *priv = zak_form_validator_compare_get_instance_private (validator);
+
+	priv->message = zak_form_form_get_element_by_id (form, element);
+	if (!ZAK_FORM_IS_ELEMENT (priv->message))
+		{
+			g_warning ("Validator compare: element «%s» isn't a ZakFormElement.", element);
+		}
+}
+
+/**
+ * zak_form_validator_compare_get_element_message:
+ * @validator:
+ *
+ * Returns: the validator element name with error message.
+ */
+const gchar
+*zak_form_validator_compare_get_element_message (ZakFormValidatorCompare *validator)
+{
+	ZakFormValidatorComparePrivate *priv = zak_form_validator_compare_get_instance_private (validator);
+
+	if (ZAK_FORM_IS_ELEMENT (priv->message))
+		{
+			return zak_form_element_get_name (priv->message);
+		}
+	else
+		{
+			return "";
+		}
+}
+
 /* PRIVATE */
 static void
 zak_form_validator_compare_set_property (GObject *object,
@@ -352,6 +399,12 @@ zak_form_validator_compare_validate (ZakFormValidator *validator)
 					                       zak_form_get_compare_type_stringify (priv->type),
 					                       zak_form_element_get_long_name (priv->v2));
 					zak_form_validator_set_message (validator, msg);
+
+					if (priv->message != NULL)
+						{
+							zak_form_element_add_message (priv->message, msg);
+						}
+
 					g_free (msg);
 				}
 		}
@@ -372,4 +425,6 @@ zak_form_validator_compare_get_xml (ZakFormValidator *validator, xmlNode *xnode,
 	xmlSetProp (xnode, (const xmlChar *)"element1", (const xmlChar *)zak_form_validator_compare_get_element1 (validator_compare));
 
 	xmlSetProp (xnode, (const xmlChar *)"element2", (const xmlChar *)zak_form_validator_compare_get_element2 (validator_compare));
+
+	xmlSetProp (xnode, (const xmlChar *)"element_message", (const xmlChar *)zak_form_validator_compare_get_element_message (validator_compare));
 }
diff --git a/src/formvalidatorcompare.h b/src/formvalidatorcompare.h
index 845d2f5..05b739c 100644
--- a/src/formvalidatorcompare.h
+++ b/src/formvalidatorcompare.h
@@ -45,6 +45,9 @@ const gchar *zak_form_validator_compare_get_element1 (ZakFormValidatorCompare *v
 void zak_form_validator_compare_set_element2 (ZakFormValidatorCompare *validator, ZakFormForm *form, const gchar *element2);
 const gchar *zak_form_validator_compare_get_element2 (ZakFormValidatorCompare *validator);
 
+void zak_form_validator_compare_set_element_message (ZakFormValidatorCompare *validator, ZakFormForm *form, const gchar *element);
+const gchar *zak_form_validator_compare_get_element_message (ZakFormValidatorCompare *validator);
+
 G_END_DECLS
 
 
-- 
2.49.0