Basic saving and loading system

Assets/Plugins/StandaloneFileBrowser/Sample/BasicSample.cs

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+using System.Collections;
+using UnityEngine;
+using SFB;
+
+public class BasicSample : MonoBehaviour {
+    private string _path;
+
+    void OnGUI() {
+        var guiScale = new Vector3(Screen.width / 800.0f, Screen.height / 600.0f, 1.0f);
+        GUI.matrix = Matrix4x4.TRS(Vector3.zero, Quaternion.identity, guiScale);
+
+        GUILayout.Space(20);
+        GUILayout.BeginHorizontal();
+        GUILayout.Space(20);
+        GUILayout.BeginVertical();
+
+        // Open File Samples
+
+        if (GUILayout.Button("Open File")) {
+            WriteResult(StandaloneFileBrowser.OpenFilePanel("Open File", "", "", false));
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open File Async")) {
+            StandaloneFileBrowser.OpenFilePanelAsync("Open File", "", "", false, (string[] paths) => { WriteResult(paths); });
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open File Multiple")) {
+            WriteResult(StandaloneFileBrowser.OpenFilePanel("Open File", "", "", true));
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open File Extension")) {
+            WriteResult(StandaloneFileBrowser.OpenFilePanel("Open File", "", "txt", true));
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open File Directory")) {
+            WriteResult(StandaloneFileBrowser.OpenFilePanel("Open File", Application.dataPath, "", true));
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open File Filter")) {
+            var extensions = new [] {
+                new ExtensionFilter("Image Files", "png", "jpg", "jpeg" ),
+                new ExtensionFilter("Sound Files", "mp3", "wav" ),
+                new ExtensionFilter("All Files", "*" ),
+            };
+            WriteResult(StandaloneFileBrowser.OpenFilePanel("Open File", "", extensions, true));
+        }
+
+        GUILayout.Space(15);
+
+        // Open Folder Samples
+
+        if (GUILayout.Button("Open Folder")) {
+            var paths = StandaloneFileBrowser.OpenFolderPanel("Select Folder", "", true);
+            WriteResult(paths);
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open Folder Async")) {
+            StandaloneFileBrowser.OpenFolderPanelAsync("Select Folder", "", true, (string[] paths) => { WriteResult(paths); });
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Open Folder Directory")) {
+            var paths = StandaloneFileBrowser.OpenFolderPanel("Select Folder", Application.dataPath, true);
+            WriteResult(paths);
+        }
+
+        GUILayout.Space(15);
+
+        // Save File Samples
+
+        if (GUILayout.Button("Save File")) {
+            _path = StandaloneFileBrowser.SaveFilePanel("Save File", "", "", "");
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Save File Async")) {
+            StandaloneFileBrowser.SaveFilePanelAsync("Save File", "", "", "", (string path) => { WriteResult(path); });
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Save File Default Name")) {
+            _path = StandaloneFileBrowser.SaveFilePanel("Save File", "", "MySaveFile", "");
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Save File Default Name Ext")) {
+            _path = StandaloneFileBrowser.SaveFilePanel("Save File", "", "MySaveFile", "dat");
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Save File Directory")) {
+            _path = StandaloneFileBrowser.SaveFilePanel("Save File", Application.dataPath, "", "");
+        }
+        GUILayout.Space(5);
+        if (GUILayout.Button("Save File Filter")) {
+            // Multiple save extension filters with more than one extension support.
+            var extensionList = new [] {
+                new ExtensionFilter("Binary", "bin"),
+                new ExtensionFilter("Text", "txt"),
+            };
+            _path = StandaloneFileBrowser.SaveFilePanel("Save File", "", "MySaveFile", extensionList);
+        }
+
+        GUILayout.EndVertical();
+        GUILayout.Space(20);
+        GUILayout.Label(_path);
+        GUILayout.EndHorizontal();
+    }
+
+    public void WriteResult(string[] paths) {
+        if (paths.Length == 0) {
+            return;
+        }
+
+        _path = "";
+        foreach (var p in paths) {
+            _path += p + "\n";
+        }
+    }
+
+    public void WriteResult(string path) {
+        _path = path;
+    }
+}

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Assets/Plugins/StandaloneFileBrowser/Sample/BasicSampleScene.unity.meta

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Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileImage.cs

@@ -0,0 +1,53 @@
+using System.Text;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+using SFB;
+
+[RequireComponent(typeof(Button))]
+public class CanvasSampleOpenFileImage : MonoBehaviour, IPointerDownHandler {
+    public RawImage output;
+
+#if UNITY_WEBGL && !UNITY_EDITOR
+    //
+    // WebGL
+    //
+    [DllImport("__Internal")]
+    private static extern void UploadFile(string gameObjectName, string methodName, string filter, bool multiple);
+
+    public void OnPointerDown(PointerEventData eventData) {
+        UploadFile(gameObject.name, "OnFileUpload", ".png, .jpg", false);
+    }
+
+    // Called from browser
+    public void OnFileUpload(string url) {
+        StartCoroutine(OutputRoutine(url));
+    }
+#else
+    //
+    // Standalone platforms & editor
+    //
+    public void OnPointerDown(PointerEventData eventData) { }
+
+    void Start() {
+        var button = GetComponent<Button>();
+        button.onClick.AddListener(OnClick);
+    }
+
+    private void OnClick() {
+        var paths = StandaloneFileBrowser.OpenFilePanel("Title", "", ".png", false);
+        if (paths.Length > 0) {
+            StartCoroutine(OutputRoutine(new System.Uri(paths[0]).AbsoluteUri));
+        }
+    }
+#endif
+
+    private IEnumerator OutputRoutine(string url) {
+        var loader = new WWW(url);
+        yield return loader;
+        output.texture = loader.texture;
+    }
+}

Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileImage.cs.meta

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Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileText.cs

@@ -0,0 +1,53 @@
+using System.Text;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+using SFB;
+
+[RequireComponent(typeof(Button))]
+public class CanvasSampleOpenFileText : MonoBehaviour, IPointerDownHandler {
+    public Text output;
+
+#if UNITY_WEBGL && !UNITY_EDITOR
+    //
+    // WebGL
+    //
+    [DllImport("__Internal")]
+    private static extern void UploadFile(string gameObjectName, string methodName, string filter, bool multiple);
+
+    public void OnPointerDown(PointerEventData eventData) {
+        UploadFile(gameObject.name, "OnFileUpload", ".txt", false);
+    }
+
+    // Called from browser
+    public void OnFileUpload(string url) {
+        StartCoroutine(OutputRoutine(url));
+    }
+#else
+    //
+    // Standalone platforms & editor
+    //
+    public void OnPointerDown(PointerEventData eventData) { }
+
+    void Start() {
+        var button = GetComponent<Button>();
+        button.onClick.AddListener(OnClick);
+    }
+
+    private void OnClick() {
+        var paths = StandaloneFileBrowser.OpenFilePanel("Title", "", "txt", false);
+        if (paths.Length > 0) {
+            StartCoroutine(OutputRoutine(new System.Uri(paths[0]).AbsoluteUri));
+        }
+    }
+#endif
+
+    private IEnumerator OutputRoutine(string url) {
+        var loader = new WWW(url);
+        yield return loader;
+        output.text = loader.text;
+    }
+}

Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileText.cs.meta

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Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileTextMultiple.cs

@@ -0,0 +1,62 @@
+using System.Text;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+using SFB;
+
+[RequireComponent(typeof(Button))]
+public class CanvasSampleOpenFileTextMultiple : MonoBehaviour, IPointerDownHandler {
+    public Text output;
+
+#if UNITY_WEBGL && !UNITY_EDITOR
+    //
+    // WebGL
+    //
+    [DllImport("__Internal")]
+    private static extern void UploadFile(string gameObjectName, string methodName, string filter, bool multiple);
+
+    public void OnPointerDown(PointerEventData eventData) {
+        UploadFile(gameObject.name, "OnFileUpload", ".txt", true);
+    }
+
+    // Called from browser
+    public void OnFileUpload(string urls) {
+        StartCoroutine(OutputRoutine(urls.Split(',')));
+    }
+#else
+    //
+    // Standalone platforms & editor
+    //
+    public void OnPointerDown(PointerEventData eventData) { }
+
+    void Start() {
+        var button = GetComponent<Button>();
+        button.onClick.AddListener(OnClick);
+    }
+
+    private void OnClick() {
+        // var paths = StandaloneFileBrowser.OpenFilePanel("Title", "", "txt", true);
+        var paths = StandaloneFileBrowser.OpenFilePanel("Open File", "", "", true);
+        if (paths.Length > 0) {
+            var urlArr = new List<string>(paths.Length);
+            for (int i = 0; i < paths.Length; i++) {
+                urlArr.Add(new System.Uri(paths[i]).AbsoluteUri);
+            }
+            StartCoroutine(OutputRoutine(urlArr.ToArray()));
+        }
+    }
+#endif
+
+    private IEnumerator OutputRoutine(string[] urlArr) {
+        var outputText = "";
+        for (int i = 0; i < urlArr.Length; i++) {
+            var loader = new WWW(urlArr[i]);
+            yield return loader;
+            outputText += loader.text;
+        }
+        output.text = outputText;
+    }
+}

Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleOpenFileTextMultiple.cs.meta

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Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleSaveFileImage.cs

@@ -0,0 +1,65 @@
+using System.IO;
+using System.Text;
+using System.Runtime.InteropServices;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+using SFB;
+
+[RequireComponent(typeof(Button))]
+public class CanvasSampleSaveFileImage : MonoBehaviour, IPointerDownHandler {
+    public Text output;
+
+    private byte[] _textureBytes;
+
+    void Awake() {
+        // Create red texture
+        var width = 100;
+        var height = 100;
+        Texture2D tex = new Texture2D(width, height, TextureFormat.RGB24, false);
+        for (int i = 0; i < width; i++) {
+            for (int j = 0; j < height; j++) {
+                tex.SetPixel(i, j, Color.red);
+            }
+        }
+        tex.Apply();
+        _textureBytes = tex.EncodeToPNG();
+        UnityEngine.Object.Destroy(tex);
+    }
+
+#if UNITY_WEBGL && !UNITY_EDITOR
+    //
+    // WebGL
+    //
+    [DllImport("__Internal")]
+    private static extern void DownloadFile(string gameObjectName, string methodName, string filename, byte[] byteArray, int byteArraySize);
+
+    // Broser plugin should be called in OnPointerDown.
+    public void OnPointerDown(PointerEventData eventData) {
+        DownloadFile(gameObject.name, "OnFileDownload", "sample.png", _textureBytes, _textureBytes.Length);
+    }
+
+    // Called from browser
+    public void OnFileDownload() {
+        output.text = "File Successfully Downloaded";
+    }
+#else
+    //
+    // Standalone platforms & editor
+    //
+    public void OnPointerDown(PointerEventData eventData) { }
+
+    // Listen OnClick event in standlone builds
+    void Start() {
+        var button = GetComponent<Button>();
+        button.onClick.AddListener(OnClick);
+    }
+
+    public void OnClick() {
+        var path = StandaloneFileBrowser.SaveFilePanel("Title", "", "sample", "png");
+        if (!string.IsNullOrEmpty(path)) {
+            File.WriteAllBytes(path, _textureBytes);
+        }
+    }
+#endif
+}

Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleSaveFileImage.cs.meta

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Assets/Plugins/StandaloneFileBrowser/Sample/CanvasSampleSaveFileText.cs

@@ -0,0 +1,52 @@
+using System.IO;
+using System.Text;
+using System.Runtime.InteropServices;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.EventSystems;
+using SFB;
+
+[RequireComponent(typeof(Button))]
+public class CanvasSampleSaveFileText : MonoBehaviour, IPointerDownHandler {
+    public Text output;
+
+    // Sample text data
+    private string _data = "Example text created by StandaloneFileBrowser";
+
+#if UNITY_WEBGL && !UNITY_EDITOR
+    //
+    // WebGL
+    //
+    [DllImport("__Internal")]
+    private static extern void DownloadFile(string gameObjectName, string methodName, string filename, byte[] byteArray, int byteArraySize);
+
+    // Broser plugin should be called in OnPointerDown.
+    public void OnPointerDown(PointerEventData eventData) {
+        var bytes = Encoding.UTF8.GetBytes(_data);
+        DownloadFile(gameObject.name, "OnFileDownload", "sample.txt", bytes, bytes.Length);
+    }
+
+    // Called from browser
+    public void OnFileDownload() {
+        output.text = "File Successfully Downloaded";
+    }
+#else
+    //
+    // Standalone platforms & editor
+    //
+    public void OnPointerDown(PointerEventData eventData) { }
+
+    // Listen OnClick event in standlone builds
+    void Start() {
+        var button = GetComponent<Button>();
+        button.onClick.AddListener(OnClick);
+    }
+
+    public void OnClick() {
+        var path = StandaloneFileBrowser.SaveFilePanel("Title", "", "sample", "txt");
+        if (!string.IsNullOrEmpty(path)) {
+            File.WriteAllText(path, _data);
+        }
+    }
+#endif
+}

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