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Add ImGuiFileDialog
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ocealot
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240
Dalamud/Interface/ImGuiFileDialog/FileDialog.cs
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240
Dalamud/Interface/ImGuiFileDialog/FileDialog.cs
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace Dalamud.Interface.ImGuiFileDialog
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{
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/// <summary>
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/// A file or folder picker.
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/// </summary>
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public partial class FileDialog
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{
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private readonly string title;
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private readonly int selectionCountMax;
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private readonly ImGuiFileDialogFlags flags;
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private readonly string id;
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private readonly string defaultExtension;
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private readonly string defaultFileName;
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private bool visible;
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private string currentPath;
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private string fileNameBuffer = string.Empty;
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private List<string> pathDecomposition = new();
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private bool pathClicked = true;
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private bool pathInputActivated = false;
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private string pathInputBuffer = string.Empty;
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private bool isModal = false;
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private bool okResultToConfirm = false;
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private bool isOk;
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private bool wantsToQuit;
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private bool createDirectoryMode = false;
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private string createDirectoryBuffer = string.Empty;
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private string searchBuffer = string.Empty;
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private string lastSelectedFileName = string.Empty;
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private List<string> selectedFileNames = new();
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private float footerHeight = 0;
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private string selectedSideBar = string.Empty;
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private List<SideBarItem> drives = new();
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private List<SideBarItem> quickAccess = new();
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/// <summary>
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/// Initializes a new instance of the <see cref="FileDialog"/> class.
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/// </summary>
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/// <param name="id">A unique id for the dialog.</param>
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/// <param name="title">The text which is shown at the top of the dialog.</param>
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/// <param name="filters">Which file extension filters to apply. This should be left blank to select directories.</param>
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/// <param name="path">The directory which the dialog should start inside of.</param>
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/// <param name="defaultFileName">The default file or directory name.</param>
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/// <param name="defaultExtension">The default extension when creating new files.</param>
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/// <param name="selectionCountMax">The maximum amount of files or directories which can be selected. Set to 0 for an infinite number.</param>
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/// <param name="isModal">Whether the dialog should be a modal popup.</param>
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/// <param name="flags">Settings flags for the dialog, see <see cref="ImGuiFileDialogFlags"/>.</param>
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public FileDialog(
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string id,
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string title,
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string filters,
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string path,
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string defaultFileName,
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string defaultExtension,
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int selectionCountMax,
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bool isModal,
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ImGuiFileDialogFlags flags)
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{
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this.id = id;
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this.title = title;
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this.flags = flags;
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this.selectionCountMax = selectionCountMax;
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this.isModal = isModal;
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this.currentPath = path;
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this.defaultExtension = defaultExtension;
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this.defaultFileName = defaultFileName;
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this.ParseFilters(filters);
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this.SetSelectedFilterWithExt(this.defaultExtension);
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this.SetDefaultFileName();
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this.SetPath(this.currentPath);
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this.SetupSideBar();
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}
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/// <summary>
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/// Shows the dialog.
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/// </summary>
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public void Show()
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{
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this.visible = true;
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}
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/// <summary>
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/// Hides the dialog.
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/// </summary>
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public void Hide()
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{
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this.visible = false;
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}
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/// <summary>
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/// Gets whether a file or folder was successfully selected.
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/// </summary>
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/// <returns>The success state. Will be false if the selection was canceled or was otherwise unsuccessful.</returns>
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public bool GetIsOk()
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{
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return this.isOk;
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}
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/// <summary>
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/// Gets the result of the selection.
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/// </summary>
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/// <returns>The result of the selection (file or folder path). If multiple entries were selected, they are separated with commas.</returns>
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public string GetResult()
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{
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if (!this.flags.HasFlag(ImGuiFileDialogFlags.SelectOnly))
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{
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return this.GetFilePathName();
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}
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if (this.IsDirectoryMode() && this.selectedFileNames.Count == 0)
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{
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return this.GetFilePathName(); // current directory
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}
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var fullPaths = this.selectedFileNames.Where(x => !string.IsNullOrEmpty(x)).Select(x => Path.Combine(this.currentPath, x));
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return string.Join(",", fullPaths.ToArray());
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}
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/// <summary>
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/// Gets the current path of the dialog.
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/// </summary>
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/// <returns>The path of the directory which the dialog is current viewing.</returns>
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public string GetCurrentPath()
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{
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if (this.IsDirectoryMode())
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{
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// combine path file with directory input
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var selectedDirectory = this.fileNameBuffer;
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if (!string.IsNullOrEmpty(selectedDirectory) && selectedDirectory != ".")
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{
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return string.IsNullOrEmpty(this.currentPath) ? selectedDirectory : Path.Combine(this.currentPath, selectedDirectory);
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}
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}
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return this.currentPath;
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}
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private string GetFilePathName()
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{
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var path = this.GetCurrentPath();
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var fileName = this.GetCurrentFileName();
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if (!string.IsNullOrEmpty(fileName))
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{
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return Path.Combine(path, fileName);
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}
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return path;
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}
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private string GetCurrentFileName()
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{
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if (this.IsDirectoryMode())
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{
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return string.Empty;
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}
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var result = this.fileNameBuffer;
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// a collection like {.cpp, .h}, so can't decide on an extension
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if (this.selectedFilter.CollectionFilters != null && this.selectedFilter.CollectionFilters.Count > 0)
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{
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return result;
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}
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// a single one, like .cpp
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if (!this.selectedFilter.Filter.Contains('*') && result != this.selectedFilter.Filter)
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{
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var lastPoint = result.LastIndexOf('.');
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if (lastPoint != -1)
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{
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result = result.Substring(0, lastPoint);
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}
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result += this.selectedFilter.Filter;
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}
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return result;
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}
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private void SetDefaultFileName()
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{
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this.fileNameBuffer = this.defaultFileName;
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}
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private void SetPath(string path)
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{
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this.selectedSideBar = string.Empty;
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this.currentPath = path;
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this.files.Clear();
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this.pathDecomposition.Clear();
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this.selectedFileNames.Clear();
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if (this.IsDirectoryMode())
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{
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this.SetDefaultFileName();
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}
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this.ScanDir(this.currentPath);
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}
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private void SetCurrentDir(string path)
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{
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var dir = new DirectoryInfo(path);
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this.currentPath = dir.FullName;
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if (this.currentPath[^1] == Path.DirectorySeparatorChar)
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{ // handle selecting a drive, like C: -> C:\
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this.currentPath = this.currentPath[0..^1];
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}
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this.pathInputBuffer = this.currentPath;
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this.pathDecomposition = new List<string>(this.currentPath.Split(Path.DirectorySeparatorChar));
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}
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private bool IsDirectoryMode()
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{
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return this.filters.Count == 0;
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}
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private void ResetEvents()
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{
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this.pathClicked = false;
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}
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}
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}
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