Support for content icons (Google Material etc)

src/Traits/TButtonIcon.php

@@ -8,6 +8,8 @@
 
 namespace Ublaboo\DataGrid\Traits;
 
+use Ublaboo\DataGrid\Utils\IconData;
+
 trait TButtonIcon
 {
 
@@ -20,10 +22,11 @@ trait TButtonIcon
 	/**
 	 * Set icon
 	 * @param string $icon
+	 * @param string $content
 	 */
-	public function setIcon($icon)
+	public function setIcon($icon, $content = '')
 	{
-		$this->icon = $icon;
+		$this->icon = new IconData($icon, $content);
 
 		return $this;
 	}

src/Traits/TButtonTryAddIcon.php

@@ -10,21 +10,26 @@
 
 use Nette\Utils\Html;
 use Ublaboo\DataGrid\DataGrid;
+use Ublaboo\DataGrid\Utils\IconData;
 
 trait TButtonTryAddIcon
 {
 
 	/**
 	 * Should the element has an icon?
-	 * @param  Html            $el
-	 * @param  string|null     $icon
-	 * @param  string          $name
+	 * @param  Html                  $el
+	 * @param  string|IconData|null  $icon
+	 * @param  string                $name
 	 * @return void
 	 */
 	public function tryAddIcon(Html $el, $icon, $name)
 	{
 		if ($icon) {
-			$el->addHtml(Html::el('span')->class(DataGrid::$icon_prefix . $icon));
+			if (is_object($icon)) {
+				$el->addHtml(Html::el('span')->class(DataGrid::$icon_prefix . $icon->iconClass)->setText($icon->content));
+			} else {
+				$el->addHtml(Html::el('span')->class(DataGrid::$icon_prefix . $icon));
+			}
 
 			if (strlen($name)) {
 				$el->addHtml(' ');

src/Utils/IconData.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Ublaboo\DataGrid\Utils;
+
+class IconData
+{
+	/**
+	 * @var string
+	 */
+	public $content;
+
+	/**
+	 * @var string
+	 */
+	public $iconClass;
+
+
+	/**
+	 * @param string  $content
+	 * @param string  $iconClass
+	 */
+	public function __construct($content, $iconClass)
+	{
+		$this->content = $content;
+		$this->iconClass = $iconClass;
+	}
+}