change/create preset using custom presetselectorreceiver

Author: vkovec

Assets/FbxExporters/Editor/ExportModelEditorWindow.cs

@@ -3,6 +3,7 @@
 using UnityEngine;
 using UnityEditor;
 using FbxExporters.EditorTools;
+using UnityEditor.Presets;
 
 namespace FbxExporters
 {
@@ -21,15 +22,30 @@ public class ExportModelEditorWindow : EditorWindow
 
             private UnityEditor.Editor innerEditor;
 
+            private static FbxExportPresetSelectorReceiver receiver;
+
             public static void Init (string filename = "", ModelExporter.AnimationExportType exportType = ModelExporter.AnimationExportType.all)
             {
                 ExportModelEditorWindow window = (ExportModelEditorWindow)EditorWindow.GetWindow <ExportModelEditorWindow>(WindowTitle, focus:true);
                 window.SetFilename (filename);
                 window.SetAnimationExportType (exportType);
                 window.minSize = new Vector2 (SelectableLabelMinWidth + LabelWidth + BrowseButtonWidth, 100);
+
+                window.InitializeReceiver ();
+
                 window.Show ();
             }
 
+            private void InitializeReceiver(){
+                if (!receiver) {
+                    receiver = ScriptableObject.CreateInstance<FbxExportPresetSelectorReceiver> () as FbxExportPresetSelectorReceiver;
+                    receiver.SelectionChanged -= OnPresetSelectionChanged;
+                    receiver.SelectionChanged += OnPresetSelectionChanged;
+                    receiver.DialogClosed -= OnPresetDialogClosed;
+                    receiver.DialogClosed += OnPresetDialogClosed;
+                }
+            }
+
             public void SetFilename(string filename){
                 m_exportFileName = filename;
             }
@@ -38,6 +54,18 @@ public void SetAnimationExportType(ModelExporter.AnimationExportType exportType)
                 m_animExportType = exportType;
             }
 
+            public void OnPresetDialogClosed()
+            {
+                // save once preset selection is finished
+                EditorUtility.SetDirty (ExportSettings.instance);
+                ExportSettings.instance.Save ();
+            }
+
+            public void OnPresetSelectionChanged()
+            {
+                this.Repaint ();
+            }
+
             void OnGUI ()
             {
                 // Increasing the label width so that none of the text gets cut off
@@ -110,9 +138,16 @@ void OnGUI ()
                     }
                     innerEditor = UnityEditor.Editor.CreateEditor (ms, editorType: typeof(ExportModelSettingsEditor));
                 }
-                innerEditor.DrawHeader ();
+                //innerEditor.DrawHeader ();
                 innerEditor.OnInspectorGUI ();
 
+                if (GUILayout.Button ("select preset")) {
+                    InitializeReceiver ();
+                    receiver.SetTarget(ExportSettings.instance.exportModelSettings);
+                    receiver.SetInitialValue (new Preset (ExportSettings.instance.exportModelSettings));
+                    UnityEditor.Presets.PresetSelector.ShowSelector(ExportSettings.instance.exportModelSettings, null, true, receiver);
+                }
+
                 GUILayout.FlexibleSpace ();
 
                 GUILayout.BeginHorizontal ();

Assets/FbxExporters/Editor/FbxExportPresetSelectorReceiver.cs

@@ -0,0 +1,48 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor.Presets;
+
+public class FbxExportPresetSelectorReceiver : PresetSelectorReceiver
+{
+    UnityEngine.Object m_Target;
+    Preset m_InitialValue;
+
+    public delegate void SelectionChangedDelegate();
+    public event SelectionChangedDelegate SelectionChanged;
+
+    public delegate void DialogClosedDelegate();
+    public event DialogClosedDelegate DialogClosed;
+
+    public override void OnSelectionClosed(Preset selection)
+    {
+        OnSelectionChanged(selection);
+        if (DialogClosed != null) {
+            DialogClosed ();
+        }
+        DestroyImmediate(this);
+    }
+
+    public override void OnSelectionChanged(Preset selection)
+    {
+        if (selection != null)
+        {
+            selection.ApplyTo(m_Target);
+        }
+        else
+        {
+            m_InitialValue.ApplyTo(m_Target);
+        }
+        if (SelectionChanged != null) {
+            SelectionChanged ();
+        }
+    }
+
+    public void SetTarget(UnityEngine.Object target){
+        m_Target = target;
+    }
+
+    public void SetInitialValue(Preset initialValue){
+        m_InitialValue = initialValue;
+    }
+}