From 46b305ad926772f74e612845612e15d99e27f648 Mon Sep 17 00:00:00 2001
From: Andrea Zagli <azagli@libero.it>
Date: Wed, 25 Nov 2015 21:34:53 +0100
Subject: [PATCH] Added overrideable functions ZakFormElement::set_value,
 ::get_value,

::set_visible, ::get_visible, ::set_editable and ::get_editable.
---
 src/formelement.c | 78 +++++++++++++++++++++++++++++++++++++++++++----
 src/formelement.h | 15 +++++++--
 2 files changed, 84 insertions(+), 9 deletions(-)

diff --git a/src/formelement.c b/src/formelement.c
index 10f702d..acf4709 100644
--- a/src/formelement.c
+++ b/src/formelement.c
@@ -184,11 +184,15 @@ zak_form_element_filter (ZakFormElement *element)
  * @value:
  *
  */
-void
+gboolean
 zak_form_element_set_value (ZakFormElement *element, const gchar *value)
 {
 	ZakFormElementPrivate *priv;
 
+	gboolean ret;
+
+	ret = TRUE;
+
 	priv = zak_form_element_get_instance_private (element);
 
 	if (priv->value != NULL)
@@ -197,6 +201,13 @@ zak_form_element_set_value (ZakFormElement *element, const gchar *value)
 		}
 
 	priv->value = g_strdup (value);
+
+	if (ZAK_FORM_ELEMENT_GET_CLASS (element)->set_value != NULL)
+		{
+			ret = ZAK_FORM_ELEMENT_GET_CLASS (element)->set_value (element, priv->value);
+		}
+
+	return ret;
 }
 
 /**
@@ -209,9 +220,20 @@ gchar
 {
 	ZakFormElementPrivate *priv;
 
+	gchar *ret;
+
 	priv = zak_form_element_get_instance_private (element);
 
-	return g_strdup (priv->value);
+	if (ZAK_FORM_ELEMENT_GET_CLASS (element)->get_value != NULL)
+		{
+			ret = ZAK_FORM_ELEMENT_GET_CLASS (element)->get_value (element);
+		}
+	else
+		{
+			ret = g_strdup (priv->value);
+		}
+
+	return ret;
 }
 
 /**
@@ -220,11 +242,15 @@ gchar
  * @value:
  *
  */
-void
+gboolean
 zak_form_element_set_default_value (ZakFormElement *element, const gchar *value)
 {
 	ZakFormElementPrivate *priv;
 
+	gboolean ret;
+
+	ret = TRUE;
+
 	priv = zak_form_element_get_instance_private (element);
 
 	if (priv->default_value != NULL)
@@ -233,6 +259,8 @@ zak_form_element_set_default_value (ZakFormElement *element, const gchar *value)
 		}
 
 	priv->default_value = g_strdup (value);
+
+	return ret;
 }
 
 /**
@@ -256,11 +284,15 @@ gchar
  * @value:
  *
  */
-void
+gboolean
 zak_form_element_set_original_value (ZakFormElement *element, const gchar *value)
 {
 	ZakFormElementPrivate *priv;
 
+	gboolean ret;
+
+	ret = TRUE;
+
 	priv = zak_form_element_get_instance_private (element);
 
 	if (priv->original_value != NULL)
@@ -269,6 +301,8 @@ zak_form_element_set_original_value (ZakFormElement *element, const gchar *value
 		}
 
 	priv->original_value = g_strdup (value);
+
+	return ret;
 }
 
 /**
@@ -322,6 +356,11 @@ zak_form_element_set_visible (ZakFormElement *element, gboolean visible)
 	priv = zak_form_element_get_instance_private (element);
 
 	priv->visible = visible;
+
+	if (ZAK_FORM_ELEMENT_GET_CLASS (element)->set_visible != NULL)
+		{
+			ZAK_FORM_ELEMENT_GET_CLASS (element)->set_visible (element, priv->visible);
+		}
 }
 
 /**
@@ -334,9 +373,20 @@ zak_form_element_get_visible (ZakFormElement *element)
 {
 	ZakFormElementPrivate *priv;
 
+	gboolean ret;
+
 	priv = zak_form_element_get_instance_private (element);
 
-	return priv->visible;
+	if (ZAK_FORM_ELEMENT_GET_CLASS (element)->get_visible != NULL)
+		{
+			ret = ZAK_FORM_ELEMENT_GET_CLASS (element)->get_visible (element);
+		}
+	else
+		{
+			ret = priv->visible;
+		}
+
+	return ret;
 }
 
 /**
@@ -353,6 +403,11 @@ zak_form_element_set_editable (ZakFormElement *element, gboolean editable)
 	priv = zak_form_element_get_instance_private (element);
 
 	priv->editable = editable;
+
+	if (ZAK_FORM_ELEMENT_GET_CLASS (element)->set_editable != NULL)
+		{
+			ZAK_FORM_ELEMENT_GET_CLASS (element)->set_editable (element, priv->editable);
+		}
 }
 
 /**
@@ -365,9 +420,20 @@ zak_form_element_get_editable (ZakFormElement *element)
 {
 	ZakFormElementPrivate *priv;
 
+	gboolean ret;
+
 	priv = zak_form_element_get_instance_private (element);
 
-	return priv->editable;
+	if (ZAK_FORM_ELEMENT_GET_CLASS (element)->get_editable != NULL)
+		{
+			ret = ZAK_FORM_ELEMENT_GET_CLASS (element)->get_editable (element);
+		}
+	else
+		{
+			ret = priv->editable;
+		}
+
+	return ret;
 }
 
 /**
diff --git a/src/formelement.h b/src/formelement.h
index 5c0e5af..4f3dc31 100644
--- a/src/formelement.h
+++ b/src/formelement.h
@@ -36,17 +36,26 @@ struct _ZakFormElementClass
 	{
 		GObjectClass parent_class;
 
+		gboolean (*set_value) (ZakFormElement *element, const gchar *value);
+		gchar *(*get_value) (ZakFormElement *element);
+
+		void (*set_visible) (ZakFormElement *element, gboolean visible);
+		gboolean (*get_visible) (ZakFormElement *element);
+
+		void (*set_editable) (ZakFormElement *element, gboolean editable);
+		gboolean (*get_editable) (ZakFormElement *element);
+
 		GPtrArray *(*get_messages) (ZakFormElement *element);
 	};
 
 
-void zak_form_element_set_value (ZakFormElement *element, const gchar *value);
+gboolean zak_form_element_set_value (ZakFormElement *element, const gchar *value);
 gchar *zak_form_element_get_value (ZakFormElement *element);
 
-void zak_form_element_set_default_value (ZakFormElement *element, const gchar *value);
+gboolean zak_form_element_set_default_value (ZakFormElement *element, const gchar *value);
 gchar *zak_form_element_get_default_value (ZakFormElement *element);
 
-void zak_form_element_set_original_value (ZakFormElement *element, const gchar *value);
+gboolean zak_form_element_set_original_value (ZakFormElement *element, const gchar *value);
 gchar *zak_form_element_get_original_value (ZakFormElement *element);
 void zak_form_element_set_as_original_value (ZakFormElement *element);
 gboolean zak_form_element_is_changed (ZakFormElement *element);
-- 
2.49.0