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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using MaterialDesignColors.WpfExample;
using MaterialDesignColors.WpfExample.Domain;
using MaterialDesignThemes.Wpf;
namespace MaterialDesignDemo
{
public class IconPackViewModel : INotifyPropertyChanged
{
private readonly Lazy<IEnumerable<PackIconKind>> _packIconKinds;
private readonly ISnackbarMessageQueue _snackbarMessageQueue;
public IconPackViewModel(ISnackbarMessageQueue snackbarMessageQueue)
{
_snackbarMessageQueue = snackbarMessageQueue ?? throw new ArgumentNullException(nameof(snackbarMessageQueue));
OpenDotComCommand = new AnotherCommandImplementation(OpenDotCom);
SearchCommand = new AnotherCommandImplementation(Search);
CopyToClipboardCommand = new AnotherCommandImplementation(CopyToClipboard);
_packIconKinds = new Lazy<IEnumerable<PackIconKind>>(() =>
Enum.GetValues(typeof (PackIconKind)).OfType<PackIconKind>()
.OrderBy(k => k.ToString(), StringComparer.InvariantCultureIgnoreCase).ToList()
);
}
public ICommand OpenDotComCommand { get; }
public ICommand SearchCommand { get; }
public ICommand CopyToClipboardCommand { get; }
private IEnumerable<PackIconKind> _kinds;
public IEnumerable<PackIconKind> Kinds
{
get { return _kinds ?? (_kinds = _packIconKinds.Value); }
set
{
_kinds = value;
OnPropertyChanged();
}
}
private void OpenDotCom(object obj)
{
Process.Start("https://materialdesignicons.com/");
}
private void Search(object obj)
{
var text = obj as string;
if (string.IsNullOrWhiteSpace(text))
Kinds = _packIconKinds.Value;
else
Kinds =
_packIconKinds.Value.Where(
x => x.ToString().IndexOf(text, StringComparison.CurrentCultureIgnoreCase) >= 0);
}
private void CopyToClipboard(object obj)
{
var kind = (PackIconKind?)obj;
string toBeCopied = $"<materialDesign:PackIcon Kind=\"{kind}\" />";
Clipboard.SetDataObject(toBeCopied);
_snackbarMessageQueue.Enqueue(toBeCopied + " copied to clipboard");
}
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
}
}
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