MDL-33468 css_optimiser: Fixed validation of individual background st…

…yles
NoelDeMartin · Jun 12, 2012 · f791122 · f791122
1 parent ecad505
commit f791122
Showing 1 changed file with 41 additions and 1 deletion.
diff --git a/lib/csslib.php b/lib/csslib.php
@@ -3861,6 +3861,14 @@ public function consolidate_to() {
     public function is_special_empty_value() {
         return ($this->value === self::NULL_VALUE);
     }
+
+    /**
+     * Returns true if the value for this style is valid
+     * @return bool
+     */
+    public function is_valid() {
+        return $this->is_special_empty_value() || parent::is_valid();
+    }
 }
 
 /**
@@ -3907,6 +3915,14 @@ public function consolidate_to() {
     public function is_special_empty_value() {
         return ($this->value === self::NULL_VALUE);
     }
+
+    /**
+     * Returns true if the value for this style is valid
+     * @return bool
+     */
+    public function is_valid() {
+        return $this->is_special_empty_value() || parent::is_valid();
+    }
 }
 
 class css_style_backgroundimage_advanced extends css_style_generic {
@@ -3973,6 +3989,14 @@ public function consolidate_to() {
     public function is_special_empty_value() {
         return ($this->value === self::NULL_VALUE);
     }
+
+    /**
+     * Returns true if the value for this style is valid
+     * @return bool
+     */
+    public function is_valid() {
+        return $this->is_special_empty_value() || parent::is_valid();
+    }
 }
 
 /**
@@ -4016,6 +4040,14 @@ public function consolidate_to() {
     public function is_special_empty_value() {
         return ($this->value === self::NULL_VALUE);
     }
+
+    /**
+     * Returns true if the value for this style is valid
+     * @return bool
+     */
+    public function is_valid() {
+        return $this->is_special_empty_value() || parent::is_valid();
+    }
 }
 
 /**
@@ -4059,6 +4091,14 @@ public function consolidate_to() {
     public function is_special_empty_value() {
         return ($this->value === self::NULL_VALUE);
     }
+
+    /**
+     * Returns true if the value for this style is valid
+     * @return bool
+     */
+    public function is_valid() {
+        return $this->is_special_empty_value() || parent::is_valid();
+    }
 }
 
 /**
@@ -4435,4 +4475,4 @@ protected function clean_value($value) {
         }
         return trim($value);
     }
-}
+}