private void WpfMap_CurrentScaleChanged(object sender, CurrentScaleChangedWpfMapEventArgs e)
{
double currentScale = e.CurrentScale * Conversion.ConvertMeasureUnits(1, DistanceUnit.Inch, viewModel.SelectedDistanceUnit);
viewModel.UpdateValues();
viewModel.SelectedScale = viewModel.Scales.FirstOrDefault(s => Math.Abs(s.Scale - currentScale) < 1);
}
private void CurrentMap_CurrentScaleChanged(object sender, CurrentScaleChangedWpfMapEventArgs e)
{
if (scaleComboBox.Visibility == Visibility.Visible)
{
DistanceUnit unit = ((Tuple <DistanceUnit, string>)unitComboBox.SelectedItem).Item1;
double currentScale = Conversion.ConvertMeasureUnits(e.CurrentScale, DistanceUnit.Inch, unit);
scaleComboBox.SelectedItem = scaleComboBox.Items.OfType <ScaleWrapper>().FirstOrDefault(s => Math.Abs(s.Scale - currentScale) < 1);
}
}
private void MapCurrentScaleChanged(object sender, CurrentScaleChangedWpfMapEventArgs e)
{
GisEditorWpfMap map = sender as GisEditorWpfMap;
LayerListItem viewModel = null;
if (map != null && (viewModel = layerListUserControl.DataContext as LayerListItem) != null)
{
var layerEntities = viewModel.Children.SelectMany(overlayEntity =>
overlayEntity.Children.ToDictionary(layerEntity => layerEntity, layerEntity =>
{
var featureLayer = layerEntity.ConcreteObject as FeatureLayer;
if (featureLayer != null)
{
e.CurrentExtent = GisEditor.ActiveMap.GetSnappedExtent(e.CurrentExtent);
var zoomLevel = featureLayer.ZoomLevelSet.GetZoomLevelForDrawing(e.CurrentExtent, map.ActualWidth, map.MapUnit);
return(zoomLevel == null);
}
else
{
return(false);
}
}));
BitmapImage bitmapImage = new BitmapImage(new Uri("/GisEditorPluginCore;component/Images/Unavailable.png", UriKind.RelativeOrAbsolute));
foreach (var item in layerEntities)
{
//No style available
if (item.Value)
{
Image image = new Image();
image.BeginInit();
image.Source = bitmapImage;
image.EndInit();
item.Key.PreviewImage = image;
foreach (var styleItem in item.Key.Children)
{
styleItem.FontWeight = FontWeights.Normal;
}
//item.Key.TextStyleLabelVisibility = Visibility.Collapsed;
}
else
{
var currentZoomLevelIndex = GisEditor.ActiveMap.GetSnappedZoomLevelIndex(GisEditor.ActiveMap.CurrentScale, false) + 1;
foreach (var styleItemEntity in item.Key.Children.OfType <StyleLayerListItem>())
{
//var match = Regex.Match(styleItem.Text, MapElementViewModel.ZoomLevelPattern);
if (!string.IsNullOrEmpty(styleItemEntity.ZoomLevelRange))
{
int from = 0;
int to = 0;
var array = styleItemEntity.ZoomLevelRange.Split(" to ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (array.Length == 2)
{
int.TryParse(array[0].Replace("(", "").Trim(), out from);
int.TryParse(array[1].Replace(")", "").Trim(), out to);
if (from <= currentZoomLevelIndex && to >= currentZoomLevelIndex)
{
styleItemEntity.FontWeight = FontWeights.Bold;
}
else
{
styleItemEntity.FontWeight = FontWeights.Normal;
}
}
}
}
FeatureLayer featureLayer = item.Key.ConcreteObject as FeatureLayer;
if (featureLayer != null)
{
var zoomLevel = featureLayer.ZoomLevelSet.GetZoomLevelForDrawing(e.CurrentExtent, map.ActualWidth, map.MapUnit);
if (zoomLevel == null)
{
break;
}
if (zoomLevel.CustomStyles.Count > 0)
{
BitmapSource bitmapSource = new BitmapImage();
var styleItem = GisEditor.StyleManager.GetStyleLayerListItem(zoomLevel.CustomStyles.LastOrDefault());
if (styleItem != null)
{
bitmapSource = styleItem.GetPreviewSource(23, 23);
}
var img = new Image();
img.Source = bitmapSource;
item.Key.PreviewImage = img;
}
else
{
var disableIconSource = new BitmapImage(new Uri("pack://application:,,,/GisEditorPluginCore;component/Images/Unavailable.png", UriKind.RelativeOrAbsolute));
viewModel.PreviewImage = new Image()
{
Source = disableIconSource
};
}
var textStyleCount = zoomLevel.CustomStyles
.Count(style => style is IconTextStyle);
}
}
}
}
}
