private void LoadColorInfo(LVColorItem lVColorItem)
{
JObject jTokenColor = (JObject)lVColorItem.jToken;
UpdatePreview();
// Set main color info
TBoxColorName.Text = jTokenColor["name"].ToString();
TBoxColorRGBCode.Text = jTokenColor["rgb"].ToString();
TBoxColorHexCode.Text = jTokenColor["hex"].ToString();
TBoxColorDistance.Text = jTokenColor["distance"].ToString();
// Set Hue info
if (jTokenColor.ContainsKey("hueName"))
{
TBoxHueColorName.Text = jTokenColor["hueName"].ToString();
}
else
{
TBoxHueColorName.Text = "";
}
}
/// <summary>
/// Gets the best matching colors through all color lists available
/// </summary>
private void GetBestColorMatches()
{
int lViewCurrentSelectedIndex = LViewColors.SelectedIndex;
listColorBestResults.Clear();
object _objLock = new object();
// Execute computing operations over all lists in parallel to speedup the operation
Parallel.ForEach(Common.colorsLists, (jColorList) =>
{
JToken jTokenColor = FindColor.GetNearestColor(Common.chosenColorHex, jColorList);
LVColorItem lVColorItem = new LVColorItem
{
SourceName = jColorList["Info"]["source"].ToString(),
Name = jTokenColor["name"].ToString(),
HexCode = jTokenColor["hex"].ToString(),
Color = (SolidColorBrush) new BrushConverter().ConvertFromString(jTokenColor["hex"].ToString()),
jToken = jTokenColor
};
lock (_objLock) // Prevent access to the variable from multiple thread at same time
{
lVColorItem.Color.Freeze(); // Make color variable unmodifieable, avoid thread issues
listColorBestResults.Add(lVColorItem);
}
});
LVColorItem itemBest = FindBestSimilarColor();
if (itemBest != null)
{
// TODO: Seem (not sure) that the SortDescription added to the CollectionViewSource causes
// a delay in the passage of items in the ListView.Items probably asynchronously,
// then the ListView.Items are populated late and this cause the failure of ListView.SelectedIndex
// i have not found a good solution to this problem,
// force the Refresh is a ugly workaround fortunately we have few items only
viewSource.View.Refresh();
// Auto-select the best result on the ListView
if (listColorBestResults.Count > 0)
{
if (MIAutoSelectBestColor.IsChecked == true)
{
LViewColors.SelectedItem = itemBest;
}
else
{
if (lViewCurrentSelectedIndex == -1)
{
LViewColors.SelectedIndex = 0;
}
else
{
LViewColors.SelectedIndex = lViewCurrentSelectedIndex;
}
}
}
// Report info to the left grid
TBoxApproxColorName.Text = itemBest.jToken["name"].ToString();
// Try get the best hue name from results (find the lower distance value with hue name)
var itemBestHue = listColorBestResults.OrderBy(o => o.jToken["distance"].ToObject <double>()).FirstOrDefault(f => (f.jToken as JObject).ContainsKey("hueName"));
if (itemBestHue != null)
{
TBoxApproxHueName.Text = itemBestHue.jToken["hueName"].ToString();
}
else
{
TBoxApproxHueName.Text = "";
}
}
else
{
TBoxApproxColorName.Text = "";
TBoxApproxHueName.Text = "";
}
}