From: Andrea Zagli <azagli@libero.it>
Date: Sun, 29 Nov 2020 09:27:52 +0000 (+0100)
Subject: Added functions FormElement::*_class.
X-Git-Url: https://saetta.ns0.it/gitweb?a=commitdiff_plain;h=a76121a00a7b016313f1e518fafa00d9b6bfec28;p=zakform%2Fcgi

Added functions FormElement::*_class.
---

diff --git a/src/formelement.c b/src/formelement.c
index bed6b93..647a942 100644
--- a/src/formelement.c
+++ b/src/formelement.c
@@ -220,31 +220,14 @@ gchar
 
 	if (ZAK_FORM_CGI_IS_FORM_ELEMENT (element) && ZAK_FORM_CGI_FORM_ELEMENT_GET_CLASS (element)->render != NULL)
 		{
-			if (priv->ht_attrs == NULL)
-				{
-					priv->ht_attrs = g_hash_table_new (g_str_hash, g_str_equal);
-				}
-
-			attr_class = g_hash_table_lookup (priv->ht_attrs, "class");
-			if (attr_class != NULL)
-				{
-					if (g_strstr_len (attr_class, -1, "form-control") == NULL)
-						{
-							g_hash_table_insert (priv->ht_attrs, "class", g_strdup_printf ("%s form-control", attr_class));
-							g_free (attr_class);
-						}
-				}
-			else
-				{
-					g_hash_table_insert (priv->ht_attrs, "class", g_strdup ("form-control"));
-				}
+			zak_form_cgi_form_element_add_class (element, "form-control");
 
 			if (messages != NULL
 			    && messages->len > 0)
 				{
 					if (g_strcmp0 (priv->bootstrap_version, "4") == 0)
 						{
-							g_hash_table_insert (priv->ht_attrs, "class", g_strdup_printf ("%s is-invalid", g_hash_table_lookup (priv->ht_attrs, "class")));
+							zak_form_cgi_form_element_add_class (element, "is-invalid");
 						}
 				}
 
@@ -322,6 +305,97 @@ gchar
 	return ret;
 }
 
+gboolean
+zak_form_cgi_form_element_has_class (ZakFormCgiFormElement *element, const gchar *class)
+{
+	gchar *attr;
+	gchar **classes;
+
+	gboolean ret;
+
+	ZakFormCgiFormElementPrivate *priv;
+
+	priv = ZAK_FORM_CGI_FORM_ELEMENT_GET_PRIVATE (element);
+
+	if (priv->ht_attrs == NULL)
+		{
+			priv->ht_attrs = g_hash_table_new (g_str_hash, g_str_equal);
+			return FALSE;
+		}
+
+	attr = g_hash_table_lookup (priv->ht_attrs, "class");
+	if (attr != NULL)
+		{
+			classes = g_strsplit (attr, " ", -1);
+			ret = g_strv_contains (classes, class);
+			g_strfreev (classes);
+
+			return ret;
+		}
+	else
+		{
+			return FALSE;
+		}
+}
+
+void
+zak_form_cgi_form_element_add_class (ZakFormCgiFormElement *element, const gchar *class)
+{
+	gchar *attr;
+
+	ZakFormCgiFormElementPrivate *priv;
+
+	priv = ZAK_FORM_CGI_FORM_ELEMENT_GET_PRIVATE (element);
+
+	if (!zak_form_cgi_form_element_has_class (element, class))
+		{
+			attr = g_hash_table_lookup (priv->ht_attrs, "class");
+			if (attr != NULL)
+				{
+					g_hash_table_insert (priv->ht_attrs, "class", g_strdup_printf ("%s %s", attr, class));
+				}
+			else
+				{
+					g_hash_table_insert (priv->ht_attrs, "class", g_strdup (class));
+				}
+		}
+}
+
+void
+zak_form_cgi_form_element_remove_class (ZakFormCgiFormElement *element, const gchar *class)
+{
+	gchar *attr;
+	gchar **classes;
+	GString *attr_new;
+
+	guint l;
+	guint i;
+
+	ZakFormCgiFormElementPrivate *priv;
+
+	priv = ZAK_FORM_CGI_FORM_ELEMENT_GET_PRIVATE (element);
+
+	if (zak_form_cgi_form_element_has_class (element, class))
+		{
+			attr = g_hash_table_lookup (priv->ht_attrs, "class");
+			if (attr != NULL)
+				{
+					attr_new = g_string_new ("");
+					classes = g_strsplit (attr, " ", -1);
+					l = g_strv_length (classes);
+					for (i = 0; i < l; i++)
+						{
+							if (g_strcmp0 (classes[i], class) != 0)
+								{
+									g_string_append_printf (attr_new, " %s", classes[i]);
+								}
+						}
+					g_hash_table_insert (priv->ht_attrs, "class", g_strdup (attr_new->str));
+					g_string_free (attr_new, TRUE);
+				}
+		}
+}
+
 void
 zak_form_cgi_form_element_set_bootstrap_version (ZakFormCgiFormElement *element, const gchar *version)
 {
diff --git a/src/formelement.h b/src/formelement.h
index c2a0eeb..9180114 100644
--- a/src/formelement.h
+++ b/src/formelement.h
@@ -55,6 +55,10 @@ void zak_form_cgi_form_element_bind (ZakFormCgiFormElement *element, GValue *val
 gchar *zak_form_cgi_form_element_render (ZakFormCgiFormElement *element);
 gchar *zak_form_cgi_form_element_render_label (ZakFormCgiFormElement *element);
 
+gboolean zak_form_cgi_form_element_has_class (ZakFormCgiFormElement *element, const gchar *class);
+void zak_form_cgi_form_element_add_class (ZakFormCgiFormElement *element, const gchar *class);
+void zak_form_cgi_form_element_remove_class (ZakFormCgiFormElement *element, const gchar *class);
+
 void zak_form_cgi_form_element_set_bootstrap_version (ZakFormCgiFormElement *element, const gchar *version);
 gchar *zak_form_cgi_form_element_get_bootstrap_version (ZakFormCgiFormElement *element);