/// <summary>
/// Reads a FilterPreset that was serialized from the given stream
/// </summary>
/// <param name="stream">The stream to load the filter preset from</param>
/// <returns>A FilterPreset that was read from the stream</returns>
public static FilterPreset FromStream(Stream stream)
{
FilterPreset preset = new FilterPreset();
preset.LoadFromStream(stream);
return(preset);
}
/// <summary>
/// Returns whether this filter preset matches the given filter preset.
/// Filter preset comparision is made by filters, the preset name and filter order is ignored
/// </summary>
/// <param name="other">Anoher filter preset to compare</param>
/// <returns>true if all filters match the filters on the given preset; false otherwise</returns>
public bool Equals(FilterPreset other)
{
if (_filters.Length != other._filters.Length)
{
return(false);
}
return(_filters.Select(f1 => other._filters.Any(f1.Equals)).All(found => found));
}
/// <summary>
/// Records a filter preset of the given name with the given filters.
/// If a filter preset with the given name already exists, it is overriden
/// </summary>
/// <param name="name">The name to give to the filter preset</param>
/// <param name="filters">The filters to save on the filter preset</param>
public void RecordFilterPreset(string name, IFilter[] filters)
{
// Search for a filter preset with the given name
for (int i = 0; i < _filterPresets.Count; i++)
{
if (_filterPresets[i].Name == name)
{
_filterPresets[i] = new FilterPreset(name, filters);
return;
}
}
_filterPresets.Add(new FilterPreset(name, filters));
// Save automatically after each Record call
SaveFilterPresets();
}
/// <summary>
/// Loads the filter presets from disk
/// </summary>
private void LoadFilterPresets()
{
_filterPresets.Clear();
string savePath = Path.GetDirectoryName(Application.LocalUserAppDataPath) + "\\filterpresets.bin";
using (FileStream stream = new FileStream(savePath, FileMode.OpenOrCreate))
{
// No filters saved
if (stream.Length == 0)
{
return;
}
BinaryReader reader = new BinaryReader(stream);
int count = reader.ReadInt32();
for (int i = 0; i < count; i++)
{
_filterPresets.Add(FilterPreset.FromStream(stream));
}
}
}
