[+] BO : Filter button default css class style

admin-dev/themes/default/template/helpers/list/list_header.tpl

@@ -80,7 +80,7 @@
 		{if $show_filters}
 		<input type="hidden" id="submitFilter{$table}" name="submitFilter{$table}" value="0"/>
 		<span class="pull-right">
-			<button type="submit" name="submitReset{$table}" class="btn btn-default btn-small">
+			<button type="submit" name="submitReset{$table}" class="btn {if !$filters_has_value}btn-default{else}btn-primary{/if} btn-small"{if !$filters_has_value} disabled="disabled"{/if}>
 				<i class="icon-eraser"></i> {l s='Reset'}
 			</button>
 			<button type="submit" id="submitFilterButton{$table}" name="submitFilter" class="btn btn-default btn-small" />

classes/helper/HelperList.php

@@ -600,6 +600,7 @@ class HelperListCore extends Helper
 		$this->header_tpl->assign(array_merge($this->tpl_vars, array(
 			'title' => $this->title,
 			'show_filters' => (count($this->_list) <= 1 && !$has_value) ? false : true,
+			'filters_has_value' => $has_value,
 			'show_toolbar' => $this->show_toolbar,
 			'toolbar_scroll' => $this->toolbar_scroll,
 			'toolbar_btn' => $this->toolbar_btn,