mirror of
https://github.com/GTA-ASM/SanAndreasUnity
synced 2024-11-27 14:30:17 +00:00
421 lines
No EOL
11 KiB
C#
421 lines
No EOL
11 KiB
C#
using UnityEngine;
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using System;
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using System.IO;
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using System.Collections.Generic;
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/*
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File browser for selecting files or folders at runtime.
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*/
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public enum FileBrowserType {
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File,
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Directory
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}
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public class FileBrowser {
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// Called when the user clicks cancel or select
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public delegate void FinishedCallback(string path);
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// Defaults to working directory
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public string CurrentDirectory {
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get {
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return m_currentDirectory;
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}
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set {
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SetNewDirectory(value);
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SwitchDirectoryNow();
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}
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}
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protected string m_currentDirectory;
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// Optional pattern for filtering selectable files/folders. See:
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// http://msdn.microsoft.com/en-us/library/wz42302f(v=VS.90).aspx
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// and
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// http://msdn.microsoft.com/en-us/library/6ff71z1w(v=VS.90).aspx
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public string SelectionPattern {
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get {
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return m_filePattern;
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}
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set {
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m_filePattern = value;
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ReadDirectoryContents();
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}
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}
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protected string m_filePattern;
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protected List<string> m_drives = new List<string> ();
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// Optional image for directories
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public Texture2D DirectoryImage {
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get {
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return m_directoryImage;
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}
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set {
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m_directoryImage = value;
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BuildContent();
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}
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}
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protected Texture2D m_directoryImage;
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// Optional image for files
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public Texture2D FileImage {
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get {
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return m_fileImage;
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}
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set {
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m_fileImage = value;
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BuildContent();
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}
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}
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protected Texture2D m_fileImage;
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// Browser type. Defaults to File, but can be set to Folder
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public FileBrowserType BrowserType {
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get {
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return m_browserType;
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}
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set {
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m_browserType = value;
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ReadDirectoryContents();
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}
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}
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protected FileBrowserType m_browserType;
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protected string m_newDirectory;
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protected string[] m_currentDirectoryParts;
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protected string[] m_files;
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protected GUIContent[] m_filesWithImages;
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protected int m_selectedFile;
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protected string[] m_nonMatchingFiles;
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protected GUIContent[] m_nonMatchingFilesWithImages;
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protected int m_selectedNonMatchingDirectory;
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protected string[] m_directories;
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protected GUIContent[] m_directoriesWithImages;
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protected int m_selectedDirectory;
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protected string[] m_nonMatchingDirectories;
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protected GUIContent[] m_nonMatchingDirectoriesWithImages;
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protected bool m_currentDirectoryMatches;
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protected GUIStyle CentredText {
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get {
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if (m_centredText == null) {
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m_centredText = new GUIStyle(GUI.skin.label);
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m_centredText.alignment = TextAnchor.MiddleLeft;
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m_centredText.fixedHeight = GUI.skin.button.fixedHeight;
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}
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return m_centredText;
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}
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}
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protected GUIStyle m_centredText;
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protected string m_name;
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protected Rect m_screenRect;
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protected Vector2 m_scrollPosition;
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protected FinishedCallback m_callback;
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// Browsers need at least a rect, name and callback
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public FileBrowser(Rect screenRect, string name, FinishedCallback callback) {
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m_name = name;
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m_screenRect = screenRect;
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m_browserType = FileBrowserType.File;
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m_callback = callback;
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SetNewDirectory(Directory.GetCurrentDirectory());
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SwitchDirectoryNow();
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}
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protected void SetNewDirectory(string directory) {
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m_newDirectory = directory;
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}
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protected void SwitchDirectoryNow() {
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if (m_newDirectory == null || m_currentDirectory == m_newDirectory) {
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return;
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}
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m_currentDirectory = m_newDirectory;
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m_scrollPosition = Vector2.zero;
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m_selectedDirectory = m_selectedNonMatchingDirectory = m_selectedFile = -1;
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ReadDirectoryContents();
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}
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protected void ReadDirectoryContents() {
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// refresh list of drives
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try {
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m_drives.Clear ();
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m_drives.AddRange( Directory.GetLogicalDrives () );
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} catch {
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}
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if (m_currentDirectory == "/") {
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m_currentDirectoryParts = new string[] {""};
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m_currentDirectoryMatches = false;
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} else {
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m_currentDirectoryParts = m_currentDirectory.Split(Path.DirectorySeparatorChar);
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if (SelectionPattern != null) {
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string[] generation = GetDirectories(
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Path.GetDirectoryName(m_currentDirectory),
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SelectionPattern
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);
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m_currentDirectoryMatches = Array.IndexOf(generation, m_currentDirectory) >= 0;
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} else {
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m_currentDirectoryMatches = false;
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}
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}
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if (BrowserType == FileBrowserType.File || SelectionPattern == null) {
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m_directories = GetDirectories(m_currentDirectory);
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m_nonMatchingDirectories = new string[0];
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} else {
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m_directories = GetDirectories(m_currentDirectory, SelectionPattern);
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var nonMatchingDirectories = new List<string>();
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foreach (string directoryPath in GetDirectories(m_currentDirectory)) {
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if (Array.IndexOf(m_directories, directoryPath) < 0) {
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nonMatchingDirectories.Add(directoryPath);
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}
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}
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m_nonMatchingDirectories = nonMatchingDirectories.ToArray();
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for (int i = 0; i < m_nonMatchingDirectories.Length; ++i) {
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int lastSeparator = m_nonMatchingDirectories[i].LastIndexOf(Path.DirectorySeparatorChar);
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m_nonMatchingDirectories[i] = m_nonMatchingDirectories[i].Substring(lastSeparator + 1);
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}
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Array.Sort(m_nonMatchingDirectories);
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}
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for (int i = 0; i < m_directories.Length; ++i) {
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m_directories[i] = m_directories[i].Substring(m_directories[i].LastIndexOf(Path.DirectorySeparatorChar) + 1);
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}
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if (BrowserType == FileBrowserType.Directory || SelectionPattern == null) {
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m_files = GetFiles(m_currentDirectory);
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m_nonMatchingFiles = new string[0];
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} else {
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m_files = GetFiles(m_currentDirectory, SelectionPattern);
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var nonMatchingFiles = new List<string>();
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foreach (string filePath in GetFiles(m_currentDirectory)) {
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if (Array.IndexOf(m_files, filePath) < 0) {
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nonMatchingFiles.Add(filePath);
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}
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}
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m_nonMatchingFiles = nonMatchingFiles.ToArray();
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for (int i = 0; i < m_nonMatchingFiles.Length; ++i) {
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m_nonMatchingFiles[i] = Path.GetFileName(m_nonMatchingFiles[i]);
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}
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Array.Sort(m_nonMatchingFiles);
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}
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for (int i = 0; i < m_files.Length; ++i) {
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m_files[i] = Path.GetFileName(m_files[i]);
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}
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Array.Sort(m_files);
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BuildContent();
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m_newDirectory = null;
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}
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static string[] GetFiles (string path, string searchPattern)
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{
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try {
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return Directory.GetFiles( path, searchPattern );
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} catch {
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return new string[0];
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}
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}
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static string[] GetFiles (string path)
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{
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try {
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return Directory.GetFiles( path );
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} catch {
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return new string[0];
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}
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}
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static string[] GetDirectories (string path, string searchPattern)
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{
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try {
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return Directory.GetDirectories( path, searchPattern );
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} catch {
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return new string[0];
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}
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}
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static string[] GetDirectories (string path)
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{
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try {
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return Directory.GetDirectories( path );
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} catch {
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return new string[0];
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}
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}
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protected void BuildContent() {
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m_directoriesWithImages = new GUIContent[m_directories.Length];
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for (int i = 0; i < m_directoriesWithImages.Length; ++i) {
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m_directoriesWithImages[i] = new GUIContent(m_directories[i], DirectoryImage);
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}
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m_nonMatchingDirectoriesWithImages = new GUIContent[m_nonMatchingDirectories.Length];
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for (int i = 0; i < m_nonMatchingDirectoriesWithImages.Length; ++i) {
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m_nonMatchingDirectoriesWithImages[i] = new GUIContent(m_nonMatchingDirectories[i], DirectoryImage);
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}
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m_filesWithImages = new GUIContent[m_files.Length];
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for (int i = 0; i < m_filesWithImages.Length; ++i) {
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m_filesWithImages[i] = new GUIContent(m_files[i], FileImage);
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}
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m_nonMatchingFilesWithImages = new GUIContent[m_nonMatchingFiles.Length];
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for (int i = 0; i < m_nonMatchingFilesWithImages.Length; ++i) {
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m_nonMatchingFilesWithImages[i] = new GUIContent(m_nonMatchingFiles[i], FileImage);
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}
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}
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public void OnGUI() {
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GUILayout.BeginArea(
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m_screenRect,
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m_name,
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GUI.skin.window
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);
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// display drives
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if (m_drives.Count > 0) {
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GUILayout.BeginHorizontal();
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foreach (var drive in m_drives) {
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if (GUILayout.Button (drive)) {
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SetNewDirectory (drive);
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}
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}
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GUILayout.FlexibleSpace();
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GUILayout.EndHorizontal ();
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}
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// display directory parts
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GUILayout.BeginHorizontal();
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for (int parentIndex = 0; parentIndex < m_currentDirectoryParts.Length; ++parentIndex) {
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if (parentIndex == m_currentDirectoryParts.Length - 1) {
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GUILayout.Label(m_currentDirectoryParts[parentIndex], CentredText);
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} else if (GUILayout.Button(m_currentDirectoryParts[parentIndex])) {
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string parentDirectoryName = m_currentDirectory;
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for (int i = m_currentDirectoryParts.Length - 1; i > parentIndex; --i) {
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parentDirectoryName = Path.GetDirectoryName(parentDirectoryName);
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}
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SetNewDirectory(parentDirectoryName);
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}
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}
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GUILayout.FlexibleSpace();
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GUILayout.EndHorizontal();
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m_scrollPosition = GUILayout.BeginScrollView(
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m_scrollPosition,
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false,
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true,
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GUI.skin.horizontalScrollbar,
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GUI.skin.verticalScrollbar,
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GUI.skin.box
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);
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m_selectedDirectory = xGUILayout.SelectionList(
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m_selectedDirectory,
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m_directoriesWithImages,
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DirectoryDoubleClickCallback
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);
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if (m_selectedDirectory > -1) {
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m_selectedFile = m_selectedNonMatchingDirectory = -1;
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}
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m_selectedNonMatchingDirectory = xGUILayout.SelectionList(
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m_selectedNonMatchingDirectory,
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m_nonMatchingDirectoriesWithImages,
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NonMatchingDirectoryDoubleClickCallback
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);
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if (m_selectedNonMatchingDirectory > -1) {
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m_selectedDirectory = m_selectedFile = -1;
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}
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GUI.enabled = BrowserType == FileBrowserType.File;
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m_selectedFile = xGUILayout.SelectionList(
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m_selectedFile,
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m_filesWithImages,
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FileDoubleClickCallback
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);
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GUI.enabled = true;
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if (m_selectedFile > -1) {
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m_selectedDirectory = m_selectedNonMatchingDirectory = -1;
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}
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GUI.enabled = false;
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xGUILayout.SelectionList(
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-1,
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m_nonMatchingFilesWithImages
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);
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GUI.enabled = true;
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GUILayout.EndScrollView();
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GUILayout.BeginHorizontal();
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GUILayout.FlexibleSpace();
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if (SanAndreasUnity.Utilities.GUIUtils.ButtonWithCalculatedSize("Cancel")) {
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m_callback(null);
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}
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if (BrowserType == FileBrowserType.File) {
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GUI.enabled = m_selectedFile > -1;
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} else {
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if (SelectionPattern == null) {
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GUI.enabled = true;//m_selectedDirectory > -1;
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} else {
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GUI.enabled = m_selectedDirectory > -1 ||
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(
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m_currentDirectoryMatches &&
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m_selectedNonMatchingDirectory == -1 &&
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m_selectedFile == -1
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);
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}
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}
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string selectButtonText = BrowserType == FileBrowserType.File ? "Select" : "Select current folder";
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if (SanAndreasUnity.Utilities.GUIUtils.ButtonWithCalculatedSize (selectButtonText)) {
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if (BrowserType == FileBrowserType.File) {
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m_callback(Path.Combine(m_currentDirectory, m_files[m_selectedFile]));
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} else {
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// if (m_selectedDirectory > -1) {
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// m_callback(Path.Combine(m_currentDirectory, m_directories[m_selectedDirectory]));
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// } else {
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// m_callback(m_currentDirectory);
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// }
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m_callback(m_currentDirectory);
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}
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}
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GUI.enabled = true;
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GUILayout.EndHorizontal();
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GUILayout.EndArea();
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if (Event.current.type == EventType.Repaint) {
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SwitchDirectoryNow();
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}
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}
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protected void FileDoubleClickCallback(int i) {
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if (BrowserType == FileBrowserType.File) {
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m_callback(Path.Combine(m_currentDirectory, m_files[i]));
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}
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}
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protected void DirectoryDoubleClickCallback(int i) {
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SetNewDirectory(Path.Combine(m_currentDirectory, m_directories[i]));
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}
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protected void NonMatchingDirectoryDoubleClickCallback(int i) {
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SetNewDirectory(Path.Combine(m_currentDirectory, m_nonMatchingDirectories[i]));
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}
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} |