Merge pull request #7 from marijnz/uielements_changes

Alternative way (UIElements) improvements

Author: marijnz

Assets/ToolbarExtender/Example/Scripts/Editor/ExtendedToolbarWindowExample.cs

@@ -0,0 +1,81 @@
+using UnityEditor;
+using UnityEditor.SceneManagement;
+using UnityEngine;
+
+namespace UnityToolbarExtender.Examples
+{
+	static class ToolbarStyles
+	{
+		public static readonly GUIStyle commandButtonStyle;
+
+		static ToolbarStyles()
+		{
+			commandButtonStyle = new GUIStyle("Command")
+			{
+				fontSize = 16,
+				alignment = TextAnchor.MiddleCenter,
+				imagePosition = ImagePosition.ImageAbove,
+				fontStyle = FontStyle.Bold
+			};
+		}
+	}
+
+	[InitializeOnLoad]
+	public class SceneSwitchLeftButton
+	{
+		static SceneSwitchLeftButton()
+		{
+			ToolbarExtender.LeftToolbarGUI.Add(OnToolbarGUI);
+		}
+
+		static void OnToolbarGUI()
+		{
+			GUILayout.FlexibleSpace();
+
+			if(GUILayout.Button(new GUIContent("1", "Start Scene 1"), ToolbarStyles.commandButtonStyle))
+			{
+				SceneHelper.StartScene("Assets/ToolbarExtender/Example/Scenes/Scene1.unity");
+			}
+
+			if(GUILayout.Button(new GUIContent("2", "Start Scene 2"), ToolbarStyles.commandButtonStyle))
+			{
+				SceneHelper.StartScene("Assets/ToolbarExtender/Example/Scenes/Scene2.unity");
+			}
+		}
+	}
+
+	static class SceneHelper
+	{
+		static string sceneToOpen;
+
+		public static void StartScene(string scene)
+		{
+			if(EditorApplication.isPlaying)
+			{
+				EditorApplication.isPlaying = false;
+			}
+
+			sceneToOpen = scene;
+			EditorApplication.update += OnUpdate;
+		}
+
+		static void OnUpdate()
+		{
+			if (sceneToOpen == null ||
+			    EditorApplication.isPlaying || EditorApplication.isPaused ||
+			    EditorApplication.isCompiling || EditorApplication.isPlayingOrWillChangePlaymode)
+			{
+				return;
+			}
+
+			EditorApplication.update -= OnUpdate;
+
+			if(EditorSceneManager.SaveCurrentModifiedScenesIfUserWantsTo())
+			{
+				EditorSceneManager.OpenScene(sceneToOpen);
+				EditorApplication.isPlaying = true;
+			}
+			sceneToOpen = null;
+		}
+	}
+}

Assets/ToolbarExtender/Example/Scripts/Editor/SceneHelper.cs

@@ -0,0 +1,60 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace UnityToolbarExtender.Examples
+{
+	[InitializeOnLoad]
+	public static class SceneViewFocuser
+	{
+		static bool m_enabled;
+
+		static bool Enabled
+		{
+			get { return m_enabled; }
+			set
+			{
+				m_enabled = value;
+				EditorPrefs.SetBool("SceneViewFocuser", value);
+			}
+		}
+
+		static SceneViewFocuser()
+		{
+			m_enabled = EditorPrefs.GetBool("SceneViewFocuser", false);
+			EditorApplication.playModeStateChanged += OnPlayModeChanged;
+			EditorApplication.pauseStateChanged += OnPauseChanged;
+
+			ToolbarExtender.RightToolbarGUI.Add(OnToolbarGUI);
+		}
+
+		static void OnPauseChanged(PauseState obj)
+		{
+			if (Enabled && obj == PauseState.Unpaused)
+			{
+				// Not sure why, but this must be delayed
+				EditorApplication.delayCall += EditorWindow.FocusWindowIfItsOpen<SceneView>;
+			}
+		}
+
+		static void OnPlayModeChanged(PlayModeStateChange obj)
+		{
+			if (Enabled && obj == PlayModeStateChange.EnteredPlayMode)
+			{
+				EditorWindow.FocusWindowIfItsOpen<SceneView>();
+			}
+		}
+
+		static void OnToolbarGUI()
+		{
+			var tex = EditorGUIUtility.IconContent(@"UnityEditor.SceneView").image;
+
+			GUI.changed = false;
+
+			GUILayout.Toggle(m_enabled, new GUIContent(null, tex, "Focus SceneView when entering play mode"), "Command");
+			if (GUI.changed)
+			{
+				Enabled = !Enabled;
+			}
+		}
+	}
+}