XSDVisualizer/XSDVisualiser.Desktop/Views/LeftTreeView.axaml.cs

115 lines
3.7 KiB
C#

using System.Globalization;
using System.Text;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.VisualTree;
using XSDVisualiser.Core;
namespace XSDVisualiser.Desktop.Views;
public partial class LeftTreeView : UserControl
{
public LeftTreeView()
{
InitializeComponent();
}
private async void OnCopyAsTsvClick(object? sender, RoutedEventArgs e)
{
// Determine the node from the menu item's DataContext
var node = (sender as MenuItem)?.DataContext as SchemaNode;
if (node == null)
node =
(sender as Control)?.GetVisualAncestors().OfType<Control>().FirstOrDefault()?.DataContext as SchemaNode;
if (node == null)
return;
var tsv = BuildTsv(node);
var topLevel = TopLevel.GetTopLevel(this);
if (topLevel?.Clipboard != null) await topLevel.Clipboard.SetTextAsync(tsv);
}
private static string BuildTsv(SchemaNode root)
{
var sb = new StringBuilder();
// Header
sb.AppendLine(
"Depth\tPath\tName\tNamespace\tTypeName\tBuiltInType\tMinOccurs\tMaxOccurs\tContentModel\tConstraints\tIsNillable");
var initialPath = root.Name ?? string.Empty;
AppendNode(sb, root, 0, initialPath);
return sb.ToString();
}
private static void AppendNode(StringBuilder sb, SchemaNode node, int depth, string path)
{
string San(string? s)
{
if (string.IsNullOrEmpty(s)) return string.Empty;
return s.Replace("\t", " ").Replace("\r", " ").Replace("\n", " ");
}
var min = node.Cardinality?.Min.ToString(CultureInfo.InvariantCulture) ?? string.Empty;
string max;
if (node.Cardinality?.MaxIsUnbounded == true)
max = "unbounded";
else
max = node.Cardinality != null ? node.Cardinality.Max.ToString(CultureInfo.InvariantCulture) : string.Empty;
var line = string.Join("\t", new[]
{
depth.ToString(CultureInfo.InvariantCulture),
San(path),
San(node.Name),
San(node.Namespace),
San(node.TypeName),
San(node.BuiltInType),
min,
max,
San(node.ContentModel),
San(FormatConstraints(node)),
node.IsNillable ? "true" : "false"
});
sb.AppendLine(line);
if (node.Children != null)
foreach (var child in node.Children)
{
var nextPathSegment = child.Name ?? string.Empty;
var childPath = string.IsNullOrEmpty(San(path)) ? nextPathSegment : $"{path}/{nextPathSegment}";
AppendNode(sb, child, depth + 1, childPath);
}
}
private static string FormatConstraints(SchemaNode node)
{
var cons = node.Constraints?.Constraints;
if (cons == null || cons.Count == 0) return string.Empty;
var dict = new SortedDictionary<string, SortedSet<string>>(StringComparer.Ordinal);
foreach (var c in cons)
{
var name = c.Name;
var value = c.Value;
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(value)) continue;
if (!dict.TryGetValue(name, out var set))
{
set = new SortedSet<string>(StringComparer.Ordinal);
dict[name] = set;
}
set.Add(value);
}
if (dict.Count == 0) return string.Empty;
var parts = new List<string>(dict.Count);
foreach (var kvp in dict)
{
var joinedValues = string.Join(",", kvp.Value);
parts.Add($"{kvp.Key}={joinedValues}");
}
return string.Join(";", parts);
}
}