refactor: use CSS for marking required fields (handle conditional logic)

Author: php-coder

src/main/webapp/WEB-INF/views/series/add.html

@@ -233,13 +233,11 @@ <h3 th:text="${#strings.capitalize(add_series)}">
 						</div>
 
 						<div class="form-group form-group-sm" th:classappend="${#fields.hasErrors('uploadedImage') ? 'has-error' : ''}">
-							<label for="image" class="control-label col-sm-3">
-								<span th:remove="tag" th:text="#{t_image}">
-									Image
-								</span>
-								<!--/*/
-								<span class="required_field" th:if="${not #authorization.expression('hasAuthority(''DOWNLOAD_IMAGE'')')}">*</span>
-								/*/-->
+							<label for="image"
+								class="control-label col-sm-3"
+								th:classappend="${#authorization.expression('hasAuthority(''DOWNLOAD_IMAGE'')') ? '' : 'required-field'}"
+								th:text="#{t_image}">
+								Image
 							</label>
 							<div class="col-sm-7">
 								<input id="image"

src/main/webapp/WEB-INF/views/series/import/info.html

@@ -125,10 +125,12 @@ <h3 th:text="#{t_gathered_data}">
 
 								<tr th:if="${not disabled or importSeriesForm.category != null}" th:classappend="${#fields.hasErrors('category') ? 'has-error' : ''}">
 									<th>
-										<label for="category" class="control-label" th:text="#{t_category}">
+										<label for="category"
+											class="control-label"
+											th:classappend="${disabled ? '' : 'required-field'}"
+											th:text="#{t_category}">
 											Category
 										</label>
-										<span class="required_field" th:unless="${disabled}">*</span>
 									</th>
 									<td>
 										<select id="category" name="category" class="form-control" required="required" th:disabled="${disabled}">
@@ -246,10 +248,12 @@ <h3 th:text="#{t_gathered_data}">
 
 								<tr th:classappend="${#fields.hasErrors('imageUrl') or #fields.hasErrors('downloadedImage') ? 'has-error' : ''}">
 									<th>
-										<label for="image-url" class="control-label" th:text="#{t_image_url}">
+										<label for="image-url"
+											class="control-label"
+											th:classappend="${disabled ? '' : 'required-field'}"
+											th:text="#{t_image_url}">
 											Image URL
 										</label>
-										<span class="required_field" th:unless="${disabled}">*</span>
 									</th>
 									<td>
 										<input id="image-url"