rainmeter-studio/RainmeterStudio/UI/Controller/IconProvider.cs

73 lines
2.2 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using RainmeterStudio.Model;
namespace RainmeterStudio.UI.Controller
{
public static class IconProvider
{
private static Dictionary<string, ImageSource> _loadedImages = new Dictionary<string, ImageSource>();
public static ImageSource GetIcon(string key)
{
if (!_loadedImages.ContainsKey(key))
{
// Try to get the icon file name
string iconPath = Resources.Icons.ResourceManager.GetString(key);
if (iconPath == null)
return null;
// Load the image
var uri = new Uri(iconPath, UriKind.RelativeOrAbsolute);
_loadedImages.Add(key, new BitmapImage(uri));
}
return _loadedImages[key];
}
public static ImageSource GetProjectItemIcon(Reference item)
{
// Resource name
string key = "ProjectItem";
if (Directory.Exists(item.Path))
key += "Directory";
else if (File.Exists(item.Path))
key += "_" + Path.GetExtension(item.Path).Substring(1);
else key += "None";
// Get icon
var icon = GetIcon(key);
if (icon == null)
return GetIcon("ProjectItemUnknown");
return icon;
}
}
public class IconProviderConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
var reference = value as Reference;
if (reference != null)
{
return IconProvider.GetProjectItemIcon(reference);
}
return null;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotSupportedException();
}
}
}