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added more test code to File System Explorer and fixed some bugs

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This commit is contained in:
Charlie Kindel
2022-11-02 18:40:00 -06:00
parent 93ce8b79e3
commit 8ce26cfb41
3 changed files with 61 additions and 63 deletions
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114
UICatalog/Scenarios/TreeViewFileSystem.cs
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@@ -6,7 +6,7 @@ using Terminal.Gui;
using Terminal.Gui.Trees;
namespace UICatalog.Scenarios {
[ScenarioMetadata (Name: "TreeViewFileSystem", Description: "Hierarchical file system explorer based on TreeView.")]
[ScenarioMetadata (Name: "File System Explorer", Description: "Hierarchical file system explorer demonstrating TreeView.")]
[ScenarioCategory ("Controls"), ScenarioCategory ("TreeView"), ScenarioCategory ("Files and IO")]
public class TreeViewFileSystem : Scenario {
@@ -24,58 +24,52 @@ namespace UICatalog.Scenarios {
private MenuItem miUnicodeSymbols;
private MenuItem miFullPaths;
private MenuItem miLeaveLastRow;
private MenuItem miHighlightModelTextOnly;
private MenuItem miCustomColors;
private MenuItem miCursor;
private MenuItem miMultiSelect;
private Terminal.Gui.Attribute green;
private Terminal.Gui.Attribute red;
public override void Setup ()
{
Win.Title = this.GetName ();
Win.Y = 1; // menu
Win.Height = Dim.Fill (1); // status bar
Win.Height = Dim.Fill ();
Top.LayoutSubviews ();
var menu = new MenuBar (new MenuBarItem [] {
new MenuBarItem ("_File", new MenuItem [] {
new MenuItem ("_Quit", "", () => Quit()),
new MenuItem ("_Quit", "CTRL-Q", () => Quit()),
}),
new MenuBarItem ("_View", new MenuItem [] {
miShowLines = new MenuItem ("_ShowLines", "", () => ShowLines()){
miFullPaths = new MenuItem ("_Full Paths", "", () => SetFullName()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miMultiSelect = new MenuItem ("_Multi Select", "", () => SetMultiSelect()){Checked = true, CheckType = MenuItemCheckStyle.Checked},
}),
new MenuBarItem ("_Style", new MenuItem [] {
miShowLines = new MenuItem ("_Show Lines", "", () => ShowLines()){
Checked = true, CheckType = MenuItemCheckStyle.Checked
},
null /*separator*/,
miPlusMinus = new MenuItem ("_PlusMinusSymbols", "", () => SetExpandableSymbols('+','-')){Checked = true, CheckType = MenuItemCheckStyle.Radio},
miArrowSymbols = new MenuItem ("_ArrowSymbols", "", () => SetExpandableSymbols('>','v')){Checked = false, CheckType = MenuItemCheckStyle.Radio},
miNoSymbols = new MenuItem ("_NoSymbols", "", () => SetExpandableSymbols(null,null)){Checked = false, CheckType = MenuItemCheckStyle.Radio},
miUnicodeSymbols = new MenuItem ("_Unicode", "", () => SetExpandableSymbols('ஹ','﷽')){Checked = false, CheckType = MenuItemCheckStyle.Radio},
miPlusMinus = new MenuItem ("_Plus Minus Symbols", "+ -", () => SetExpandableSymbols('+','-')){Checked = true, CheckType = MenuItemCheckStyle.Radio},
miArrowSymbols = new MenuItem ("_Arrow Symbols", "> v", () => SetExpandableSymbols('>','v')){Checked = false, CheckType = MenuItemCheckStyle.Radio},
miNoSymbols = new MenuItem ("_No Symbols", "", () => SetExpandableSymbols(null,null)){Checked = false, CheckType = MenuItemCheckStyle.Radio},
miUnicodeSymbols = new MenuItem ("_Unicode", "ஹ ﷽", () => SetExpandableSymbols('ஹ','﷽')){Checked = false, CheckType = MenuItemCheckStyle.Radio},
null /*separator*/,
miColoredSymbols = new MenuItem ("_Colored Symbols", "", () => ShowColoredExpandableSymbols()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miInvertSymbols = new MenuItem ("_Invert Symbols", "", () => InvertExpandableSymbols()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
null /*separator*/,
miLeaveLastRow = new MenuItem ("_Leave Last Row", "", () => SetLeaveLastRow()){Checked = true, CheckType = MenuItemCheckStyle.Checked},
miHighlightModelTextOnly = new MenuItem ("_Highlight Model Text Only", "", () => SetCheckHighlightModelTextOnly()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
null /*separator*/,
miCustomColors = new MenuItem ("C_ustom Colors Hidden Files", "Yellow/Red", () => SetCustomColors()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
null /*separator*/,
miColoredSymbols = new MenuItem ("_ColoredSymbols", "", () => ShowColoredExpandableSymbols()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miInvertSymbols = new MenuItem ("_InvertSymbols", "", () => InvertExpandableSymbols()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miFullPaths = new MenuItem ("_FullPaths", "", () => SetFullName()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miLeaveLastRow = new MenuItem ("_LeaveLastRow", "", () => SetLeaveLastRow()){Checked = true, CheckType = MenuItemCheckStyle.Checked},
miCustomColors = new MenuItem ("C_ustomColors", "", () => SetCustomColors()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miCursor = new MenuItem ("Curs_or (MultiSelect only)", "", () => SetCursor()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
miMultiSelect = new MenuItem ("_MultiSelect", "", () => SetMultiSelect()){Checked = true, CheckType = MenuItemCheckStyle.Checked},
}),
});
Top.Add (menu);
var statusBar = new StatusBar (new StatusItem [] {
new StatusItem(Key.CtrlMask | Key.Q, "~^Q~ Quit", () => Quit()),
});
Top.Add (statusBar);
var lblFiles = new Label ("File Tree:") {
X = 0,
Y = 1
};
Win.Add (lblFiles);
treeViewFiles = new TreeView<FileSystemInfo> () {
X = 0,
Y = Pos.Bottom (lblFiles),
Y = 0,
Width = Dim.Fill (),
Height = Dim.Fill (),
};
@@ -87,23 +81,22 @@ namespace UICatalog.Scenarios {
SetupFileTree ();
Win.Add (treeViewFiles);
treeViewFiles.GoToFirst ();
treeViewFiles.Expand ();
SetupScrollBar ();
green = Application.Driver.MakeAttribute (Color.Green, Color.Blue);
red = Application.Driver.MakeAttribute (Color.Red, Color.Blue);
}
private void TreeViewFiles_KeyPress (View.KeyEventEventArgs obj)
{
if(obj.KeyEvent.Key == (Key.R | Key.CtrlMask)) {
if (obj.KeyEvent.Key == (Key.R | Key.CtrlMask)) {
var selected = treeViewFiles.SelectedObject;
// nothing is selected
if (selected == null)
return;
var location = treeViewFiles.GetObjectRow (selected);
//selected object is offscreen or somehow not found
@@ -120,9 +113,9 @@ namespace UICatalog.Scenarios {
private void TreeViewFiles_MouseClick (View.MouseEventArgs obj)
{
// if user right clicks
if (obj.MouseEvent.Flags.HasFlag(MouseFlags.Button3Clicked)) {
if (obj.MouseEvent.Flags.HasFlag (MouseFlags.Button3Clicked)) {
var rightClicked = treeViewFiles.GetObjectOnRow ( obj.MouseEvent.Y);
var rightClicked = treeViewFiles.GetObjectOnRow (obj.MouseEvent.Y);
// nothing was clicked
if (rightClicked == null)
@@ -141,8 +134,8 @@ namespace UICatalog.Scenarios {
menu.Position = screenPoint;
menu.MenuItems = new MenuBarItem (new [] { new MenuItem ("Properties", null, () => ShowPropertiesOf (forObject)) });
Application.MainLoop.Invoke(menu.Show);
Application.MainLoop.Invoke (menu.Show);
}
private void ShowPropertiesOf (FileSystemInfo fileSystemInfo)
@@ -151,8 +144,8 @@ namespace UICatalog.Scenarios {
System.Text.StringBuilder sb = new System.Text.StringBuilder ();
sb.AppendLine ($"Path:{f.DirectoryName}");
sb.AppendLine ($"Size:{f.Length:N0} bytes");
sb.AppendLine ($"Modified:{ f.LastWriteTime}");
sb.AppendLine ($"Created:{ f.CreationTime}");
sb.AppendLine ($"Modified:{f.LastWriteTime}");
sb.AppendLine ($"Created:{f.CreationTime}");
MessageBox.Query (f.Name, sb.ToString (), "Close");
}
@@ -161,8 +154,8 @@ namespace UICatalog.Scenarios {
System.Text.StringBuilder sb = new System.Text.StringBuilder ();
sb.AppendLine ($"Path:{dir.Parent?.FullName}");
sb.AppendLine ($"Modified:{ dir.LastWriteTime}");
sb.AppendLine ($"Created:{ dir.CreationTime}");
sb.AppendLine ($"Modified:{dir.LastWriteTime}");
sb.AppendLine ($"Created:{dir.CreationTime}");
MessageBox.Query (dir.Name, sb.ToString (), "Close");
}
@@ -266,6 +259,7 @@ namespace UICatalog.Scenarios {
} else {
treeViewFiles.AspectGetter = (f) => f.Name;
}
treeViewFiles.SetNeedsDisplay ();
}
private void SetLeaveLastRow ()
@@ -273,41 +267,45 @@ namespace UICatalog.Scenarios {
miLeaveLastRow.Checked = !miLeaveLastRow.Checked;
treeViewFiles.Style.LeaveLastRow = miLeaveLastRow.Checked;
}
private void SetCursor()
private void SetCursor ()
{
miCursor.Checked = !miCursor.Checked;
treeViewFiles.DesiredCursorVisibility = miCursor.Checked ? CursorVisibility.Default : CursorVisibility.Invisible;
}
private void SetMultiSelect()
private void SetMultiSelect ()
{
miMultiSelect.Checked = !miMultiSelect.Checked;
treeViewFiles.MultiSelect = miMultiSelect.Checked;
}
private void SetCustomColors()
private void SetCustomColors ()
{
var yellow = new ColorScheme
{
Focus = new Terminal.Gui.Attribute(Color.BrightYellow,treeViewFiles.ColorScheme.Focus.Background),
Normal = new Terminal.Gui.Attribute (Color.BrightYellow,treeViewFiles.ColorScheme.Normal.Background),
var hidden = new ColorScheme {
Focus = new Terminal.Gui.Attribute (Color.BrightRed, treeViewFiles.ColorScheme.Focus.Background),
Normal = new Terminal.Gui.Attribute (Color.BrightYellow, treeViewFiles.ColorScheme.Normal.Background),
};
miCustomColors.Checked = !miCustomColors.Checked;
if(miCustomColors.Checked)
{
treeViewFiles.ColorGetter = (m)=>
{
return m is DirectoryInfo ? yellow : null;
if (miCustomColors.Checked) {
treeViewFiles.ColorGetter = (m) => {
if (m is DirectoryInfo && m.Attributes.HasFlag (FileAttributes.Hidden)) return hidden;
if (m is FileInfo && m.Attributes.HasFlag (FileAttributes.Hidden)) return hidden;
return null;
};
}
else
{
} else {
treeViewFiles.ColorGetter = null;
}
treeViewFiles.SetNeedsDisplay ();
}
private void SetCheckHighlightModelTextOnly ()
{
treeViewFiles.Style.HighlightModelTextOnly = !treeViewFiles.Style.HighlightModelTextOnly;
miHighlightModelTextOnly.Checked = treeViewFiles.Style.HighlightModelTextOnly;
treeViewFiles.SetNeedsDisplay ();
}
private IEnumerable<FileSystemInfo> GetChildren (FileSystemInfo model)
{