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Added SelectAll and made OnSelectionChanged protected

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This commit is contained in:
tznind
2021-02-17 19:18:33 +00:00
parent 74f5dd8dc5
commit f21f21522f
2 changed files with 88 additions and 46 deletions
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36
Terminal.Gui/Views/TreeView.cs
View File

@@ -312,7 +312,7 @@ namespace Terminal.Gui {
selectedObject = value;
if(!ReferenceEquals(oldValue,value))
SelectionChanged?.Invoke(this,new SelectionChangedEventArgs<T>(this,oldValue,value));
OnSelectionChanged(new SelectionChangedEventArgs<T>(this,oldValue,value));
}
}
@@ -645,6 +645,9 @@ namespace Terminal.Gui {
case Key.PageDown | Key.ShiftMask:
AdjustSelection(Bounds.Height,keyEvent.Key.HasFlag(Key.ShiftMask));
break;
case Key.A | Key.CtrlMask:
SelectAll();
break;
case Key.Home:
GoToFirst();
break;
@@ -1042,6 +1045,37 @@ namespace Terminal.Gui {
}
}
}
/// <summary>
/// Selects all objects in the tree when <see cref="MultiSelect"/> is enabled otherwise does nothing
/// </summary>
public void SelectAll()
{
if(!MultiSelect)
return;
_multiSelectedRegions.Clear();
var map = BuildLineMap();
if(map.Length == 0)
return;
_multiSelectedRegions.Push(new TreeSelection<T>(map[0],map.Length,map));
SetNeedsDisplay();
OnSelectionChanged(new SelectionChangedEventArgs<T>(this,SelectedObject,SelectedObject));
}
/// <summary>
/// Raises the SelectionChanged event
/// </summary>
/// <param name="e"></param>
protected virtual void OnSelectionChanged (SelectionChangedEventArgs<T> e)
{
SelectionChanged?.Invoke(this,e);
}
}
class TreeSelection<T> where T : class {

98
UICatalog/Scenarios/ClassExplorer.cs
View File

@@ -117,62 +117,70 @@ namespace UICatalog.Scenarios {
private void TreeView_SelectionChanged (object sender, SelectionChangedEventArgs<object> e)
{
var val = e.NewValue;
var all = treeView.GetAllSelectedObjects().ToArray();
if(val == null || val is ShowForType)
return;
try {
StringBuilder sb = new StringBuilder();
if(all.Length > 1){
// tell the user about the currently selected tree node
sb.AppendLine(e.NewValue.GetType().Name);
textView.Text = all.Length + " Objects";
}
else
{
StringBuilder sb = new StringBuilder();
// tell the user about the currently selected tree node
sb.AppendLine(e.NewValue.GetType().Name);
if(val is Assembly ass) {
sb.AppendLine($"Location:{ass.Location}");
sb.AppendLine($"FullName:{ass.FullName}");
}
if(val is PropertyInfo p) {
sb.AppendLine($"Name:{p.Name}");
sb.AppendLine($"Type:{p.PropertyType}");
sb.AppendLine($"CanWrite:{p.CanWrite}");
sb.AppendLine($"CanRead:{p.CanRead}");
}
if(val is Assembly ass) {
sb.AppendLine($"Location:{ass.Location}");
sb.AppendLine($"FullName:{ass.FullName}");
}
if(val is PropertyInfo p) {
sb.AppendLine($"Name:{p.Name}");
sb.AppendLine($"Type:{p.PropertyType}");
sb.AppendLine($"CanWrite:{p.CanWrite}");
sb.AppendLine($"CanRead:{p.CanRead}");
}
if(val is FieldInfo f) {
sb.AppendLine($"Name:{f.Name}");
sb.AppendLine($"Type:{f.FieldType}");
}
if(val is FieldInfo f) {
sb.AppendLine($"Name:{f.Name}");
sb.AppendLine($"Type:{f.FieldType}");
}
if(val is EventInfo ev) {
sb.AppendLine($"Name:{ev.Name}");
sb.AppendLine($"Parameters:");
foreach(var parameter in ev.EventHandlerType.GetMethod("Invoke").GetParameters()) {
sb.AppendLine($" {parameter.ParameterType} {parameter.Name}");
}
}
if(val is EventInfo ev) {
sb.AppendLine($"Name:{ev.Name}");
sb.AppendLine($"Parameters:");
foreach(var parameter in ev.EventHandlerType.GetMethod("Invoke").GetParameters()) {
sb.AppendLine($" {parameter.ParameterType} {parameter.Name}");
if(val is MethodInfo method) {
sb.AppendLine($"Name:{method.Name}");
sb.AppendLine($"IsPublic:{method.IsPublic}");
sb.AppendLine($"IsStatic:{method.IsStatic}");
sb.AppendLine($"Parameters:{(method.GetParameters().Any() ? "":"None")}");
foreach(var parameter in method.GetParameters()) {
sb.AppendLine($" {parameter.ParameterType} {parameter.Name}");
}
}
}
if(val is MethodInfo method) {
sb.AppendLine($"Name:{method.Name}");
sb.AppendLine($"IsPublic:{method.IsPublic}");
sb.AppendLine($"IsStatic:{method.IsStatic}");
sb.AppendLine($"Parameters:{(method.GetParameters().Any() ? "":"None")}");
foreach(var parameter in method.GetParameters()) {
sb.AppendLine($" {parameter.ParameterType} {parameter.Name}");
if(val is ConstructorInfo ctor) {
sb.AppendLine($"Name:{ctor.Name}");
sb.AppendLine($"Parameters:{(ctor.GetParameters().Any() ? "":"None")}");
foreach(var parameter in ctor.GetParameters()) {
sb.AppendLine($" {parameter.ParameterType} {parameter.Name}");
}
}
}
if(val is ConstructorInfo ctor) {
sb.AppendLine($"Name:{ctor.Name}");
sb.AppendLine($"Parameters:{(ctor.GetParameters().Any() ? "":"None")}");
foreach(var parameter in ctor.GetParameters()) {
sb.AppendLine($" {parameter.ParameterType} {parameter.Name}");
}
}
textView.Text = sb.ToString().Replace("\r\n","\n");
textView.Text = sb.ToString().Replace("\r\n","\n");
}
} catch (Exception ex) {
textView.Text = ex.Message;