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Changed Scenario menu items to use radio buttons

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This commit is contained in:
tznind
2020-12-16 14:49:40 +00:00
parent edf46b6f6d
commit 869a6f1fd7
1 changed files with 30 additions and 18 deletions
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48
UICatalog/Scenarios/TreeViewFileSystem.cs
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@@ -22,24 +22,32 @@ namespace UICatalog.Scenarios {
/// A tree view where nodes are <see cref="ITreeNode"/>
/// </summary>
TreeView treeViewNodes;
MenuItem miShowLines;
private MenuItem miPlusMinus;
private MenuItem miArrowSymbols;
private MenuItem miNoSymbols;
private MenuItem miColoredSymbols;
public override void Setup ()
{
Win.Title = this.GetName();
Win.Y = 1; // menu
Win.Height = Dim.Fill (1); // status bar
Top.LayoutSubviews ();
var menu = new MenuBar (new MenuBarItem [] {
new MenuBarItem ("_File", new MenuItem [] {
new MenuItem ("_Quit", "", () => Quit()),
}),
new MenuBarItem ("_View", new MenuItem [] {
new MenuItem ("_ShowLines", "", () => ShowLines()),
new MenuItem ("_PlusMinusSymbols", "", () => SetExpandableSymbols('+','-')),
new MenuItem ("_ArrowSymbols", "", () => SetExpandableSymbols('>','v')),
new MenuItem ("_NoSymbols", "", () => SetExpandableSymbols(null,null)),
new MenuItem ("_ColoredSymbols", "", () => ShowColoredExpandableSymbols()),
miShowLines = new MenuItem ("_ShowLines", "", () => ShowLines()){
Checked = true, CheckType = MenuItemCheckStyle.Checked
},
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},
miColoredSymbols = new MenuItem ("_ColoredSymbols", "", () => ShowColoredExpandableSymbols()){Checked = false, CheckType = MenuItemCheckStyle.Checked},
}),
});
Top.Add (menu);
@@ -112,15 +120,21 @@ namespace UICatalog.Scenarios {
private void ShowLines ()
{
treeViewNodes.Style.ShowBranchLines = !treeViewNodes.Style.ShowBranchLines;
miShowLines.Checked = !miShowLines.Checked;
treeViewNodes.Style.ShowBranchLines = miShowLines.Checked;
treeViewNodes.SetNeedsDisplay();
treeViewFiles.Style.ShowBranchLines = !treeViewFiles.Style.ShowBranchLines;
treeViewFiles.Style.ShowBranchLines = miShowLines.Checked;
treeViewFiles.SetNeedsDisplay();
}
private void SetExpandableSymbols(Rune? expand, Rune? collapse)
{
miPlusMinus.Checked = expand == '+';
miArrowSymbols.Checked = expand == '>';
miNoSymbols.Checked = expand == null;
treeViewNodes.Style.ExpandableSymbol = expand;
treeViewNodes.Style.CollapseableSymbol = collapse;
treeViewNodes.SetNeedsDisplay();
@@ -137,20 +151,18 @@ namespace UICatalog.Scenarios {
private void ShowColoredExpandableSymbols (ITreeView treeView)
{
// TODO: how to know what the normal window background is this member is private
//Win.ColorScheme.Normal.Background
miColoredSymbols.Checked = !miColoredSymbols.Checked;
// Toggle Green expand symbols
if(treeView.Style.ExpandableSymbolColor.HasValue)
treeView.Style.ExpandableSymbolColor = null; //clear it
if(miColoredSymbols.Checked)
treeView.Style.ExpandableSymbolColor = new Terminal.Gui.Attribute(Color.Green,Win.ColorScheme.Normal.Background);
else
treeView.Style.ExpandableSymbolColor = new Terminal.Gui.Attribute(Color.Green,Color.Blue);
treeView.Style.ExpandableSymbolColor = null; //clear it
// Toggle Red collapse symbols
if(treeView.Style.CollapseableSymbolColor.HasValue)
treeView.Style.CollapseableSymbolColor = null; //clear it
if(miColoredSymbols.Checked)
treeView.Style.CollapseableSymbolColor = new Terminal.Gui.Attribute(Color.Red,Win.ColorScheme.Normal.Background);
else
treeView.Style.CollapseableSymbolColor = new Terminal.Gui.Attribute(Color.Red,Color.Blue);
treeView.Style.CollapseableSymbolColor = null; //clear it
treeView.SetNeedsDisplay();
}