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Runtime GUI WIP: OpenFileDialog/OpenDirectoryDialog + runtime GUI.
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‎Assets/Scripts/GUI.meta

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‎Assets/Scripts/GUI/Components.meta

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‎Assets/Scripts/GUI/Components/RuntimeFileBrowserComponent.cs

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using System;
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using System.IO;
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using UnityEngine;
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namespace UnityVolumeRendering
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{
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public partial class RuntimeFileBrowser
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{
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public class RuntimeFileBrowserComponent : MonoBehaviour
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{
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public enum DialogMode
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{
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OpenFile,
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OpenDirectory,
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SaveFile
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}
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public DialogMode dialogMode = DialogMode.OpenFile;
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public DialogCallback callback = null;
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private string currentDirectory;
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private string selectedFile;
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private Vector2 scrollPos = Vector2.zero;
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private Rect windowRect = new Rect(100, 50, WINDOW_WIDTH, WINDOW_HEIGHT);
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private const int LEFT_PANEL_WIDTH = 100;
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private const int RIGHT_PANEL_WIDTH = 370;
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private const int WINDOW_WIDTH = 500;
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private const int WINDOW_HEIGHT = 300;
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private void OnGUI()
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{
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windowRect = GUI.Window(0, windowRect, UpdateWindow, "File browser");
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}
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private void UpdateWindow(int windowID)
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{
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GUI.DragWindow(new Rect(0, 0, 10000, 20));
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TextAnchor oldAlignment = GUI.skin.label.alignment;
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GUI.skin.button.alignment = TextAnchor.MiddleLeft;
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GUILayout.BeginVertical();
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DrawTopPanel();
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GUILayout.BeginHorizontal();
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DrawLeftSideMenu();
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DrawDirectoryView();
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GUILayout.FlexibleSpace();
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GUILayout.EndHorizontal();
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DrawBottomBar();
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GUILayout.EndVertical();
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GUI.skin.button.alignment = oldAlignment;
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}
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private void DrawTopPanel()
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{
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GUILayout.BeginHorizontal();
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// "Back" button
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if (GUILayout.Button("Back", GUILayout.Width(LEFT_PANEL_WIDTH)))
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{
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DirectoryInfo parentDir = Directory.GetParent(currentDirectory);
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if (parentDir != null)
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currentDirectory = parentDir.FullName;
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else
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currentDirectory = "";
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scrollPos = Vector2.zero;
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}
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// Show current directory path
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currentDirectory = GUILayout.TextField(currentDirectory, GUILayout.Width(RIGHT_PANEL_WIDTH));
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GUILayout.EndHorizontal();
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}
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private void DrawLeftSideMenu()
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{
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GUILayout.BeginVertical(GUILayout.Width(LEFT_PANEL_WIDTH));
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foreach (DriveInfo driveInfo in DriveInfo.GetDrives())
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{
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if (GUILayout.Button(driveInfo.Name))
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{
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currentDirectory = driveInfo.Name;
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scrollPos = Vector2.zero;
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}
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}
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if (GUILayout.Button("Documents"))
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{
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currentDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
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scrollPos = Vector2.zero;
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}
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if (GUILayout.Button("Desktop"))
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{
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currentDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
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scrollPos = Vector2.zero;
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}
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GUILayout.EndVertical();
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}
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private void DrawDirectoryView()
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{
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GUILayout.BeginVertical();
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// Draw directory content
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if (!string.IsNullOrEmpty(currentDirectory) && Directory.Exists(currentDirectory))
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{
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scrollPos = GUILayout.BeginScrollView(scrollPos);
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// Draw directories
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foreach (string dir in Directory.GetDirectories(currentDirectory))
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{
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DirectoryInfo dirInfo = new DirectoryInfo(dir);
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if (GUILayout.Button(dirInfo.Name))
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{
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currentDirectory = dir;
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}
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}
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// Draw files
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if (dialogMode == DialogMode.OpenFile || dialogMode == DialogMode.SaveFile)
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{
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foreach (string file in Directory.GetFiles(currentDirectory))
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{
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FileInfo fileInfo = new FileInfo(file);
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if (GUILayout.Button(fileInfo.Name))
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{
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selectedFile = fileInfo.FullName;
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}
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}
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}
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GUILayout.EndScrollView();
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}
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GUILayout.EndVertical();
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}
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private void DrawBottomBar()
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{
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GUILayout.BeginHorizontal();
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if(dialogMode == DialogMode.OpenFile || dialogMode == DialogMode.SaveFile)
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{
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if (!string.IsNullOrEmpty(selectedFile))
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{
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FileInfo fileInfo = new FileInfo(selectedFile);
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string fileName = Path.GetFileName(selectedFile);
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// Show filename textbox
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fileName = GUILayout.TextField(fileName, GUILayout.Width(RIGHT_PANEL_WIDTH));
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selectedFile = Path.Combine(fileInfo.Directory.FullName, fileName);
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GUILayout.FlexibleSpace();
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// Show button
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string buttonText = dialogMode == DialogMode.OpenFile ? "Open" : "Save";
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if (File.Exists(selectedFile) && GUILayout.Button(buttonText))
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{
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CloseBrowser(false, selectedFile);
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}
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}
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}
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else if(dialogMode == DialogMode.OpenDirectory)
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{
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if (!string.IsNullOrEmpty(currentDirectory))
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{
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// Show directory path textbox
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currentDirectory = GUILayout.TextField(currentDirectory, GUILayout.Width(RIGHT_PANEL_WIDTH));
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GUILayout.FlexibleSpace();
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// Show button
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string buttonText ="Open";
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if (Directory.Exists(currentDirectory) && GUILayout.Button(buttonText))
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{
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CloseBrowser(false, currentDirectory);
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}
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}
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}
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GUILayout.FlexibleSpace();
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if (GUILayout.Button("Cancel"))
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{
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CloseBrowser(true, "");
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}
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GUILayout.EndHorizontal();
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}
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private void CloseBrowser(bool cancelled, string selectedPath)
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{
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DialogResult result;
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result.cancelled = cancelled;
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result.path = selectedPath;
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callback?.Invoke(result);
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GameObject.Destroy(this.gameObject);
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}
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}
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}
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}

‎Assets/Scripts/GUI/Components/RuntimeFileBrowserComponent.cs.meta

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‎Assets/Scripts/GUI/Components/RuntimeGUI.cs

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using UnityEngine;
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namespace UnityVolumeRendering
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{
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public class RuntimeGUI : MonoBehaviour
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{
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private void OnGUI()
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{
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GUILayout.BeginVertical();
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if(GUILayout.Button("Import RAW dataset"))
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{
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RuntimeFileBrowser.ShowOpenFileDialog(OnOpenRAWDatasetResult);
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}
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if (GUILayout.Button("Import DICOM dataset"))
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{
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RuntimeFileBrowser.ShowOpenDirectoryDialog(OnOpenDICOMDatasetResult);
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}
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GUILayout.EndVertical();
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}
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private void OnOpenRAWDatasetResult(RuntimeFileBrowser.DialogResult result)
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{
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if(!result.cancelled)
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{
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// TODO
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}
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}
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private void OnOpenDICOMDatasetResult(RuntimeFileBrowser.DialogResult result)
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{
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if (!result.cancelled)
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{
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DICOMImporter importer = new DICOMImporter(result.path, true);
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VolumeDataset dataset = importer.Import();
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if(dataset != null)
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{
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VolumeObjectFactory.CreateObject(dataset);
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}
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}
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}
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}
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}

‎Assets/Scripts/GUI/Components/RuntimeGUI.cs.meta

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‎Assets/Scripts/GUI/RuntimeFileBrowser.cs

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using System;
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using System.IO;
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using UnityEngine;
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namespace UnityVolumeRendering
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{
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public partial class RuntimeFileBrowser
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{
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public struct DialogResult
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{
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public bool cancelled;
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public string path;
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}
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public delegate void DialogCallback(DialogResult result);
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public static void ShowOpenFileDialog(DialogCallback resultCallback)
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{
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GameObject dialogObject = new GameObject("_OpenFileDialog");
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RuntimeFileBrowserComponent dialogComp = dialogObject.AddComponent<RuntimeFileBrowserComponent>();
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dialogComp.dialogMode = RuntimeFileBrowserComponent.DialogMode.OpenFile;
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dialogComp.callback = resultCallback;
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}
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public static void ShowSaveFileDialog(DialogCallback resultCallback)
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{
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GameObject dialogObject = new GameObject("_SaveFileDialog");
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RuntimeFileBrowserComponent dialogComp = dialogObject.AddComponent<RuntimeFileBrowserComponent>();
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dialogComp.dialogMode = RuntimeFileBrowserComponent.DialogMode.SaveFile;
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dialogComp.callback = resultCallback;
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}
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public static void ShowOpenDirectoryDialog(DialogCallback resultCallback)
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{
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GameObject dialogObject = new GameObject("_OpenDirectoryDialog");
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RuntimeFileBrowserComponent dialogComp = dialogObject.AddComponent<RuntimeFileBrowserComponent>();
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dialogComp.dialogMode = RuntimeFileBrowserComponent.DialogMode.OpenDirectory;
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dialogComp.callback = resultCallback;
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}
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}
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}

‎Assets/Scripts/GUI/RuntimeFileBrowser.cs.meta

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