Implement action bar.

Assets/Cryville/Crtr/Browsing/UI/ActionBar.cs

@@ -0,0 +1,28 @@
+using Cryville.Crtr.Browsing.Actions;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+
+namespace Cryville.Crtr.Browsing.UI {
+	internal class ActionBar : MonoBehaviour {
+		[SerializeField]
+		ActionButton m_mainButton;
+
+		public void Load(ResourceBrowser browser, IReadOnlyCollection<IResourceAction> actions) {
+			var enumerator = actions.OrderBy(i => i.Priority).GetEnumerator();
+			if (enumerator.MoveNext()) {
+				gameObject.SetActive(true);
+				m_mainButton.Load(browser, enumerator.Current);
+				// TODO Subactions
+			}
+			else {
+				m_mainButton.Clear();
+				Clear();
+			}
+		}
+
+		public void Clear() {
+			gameObject.SetActive(false);
+		}
+	}
+}