private bool ValidateLegendItem(LegendImporterItemViewModel tmpItem)
{
return(tmpItem.Style != null &&
tmpItem.AllowToAdd &&
!(tmpItem.Style is CompositeStyle) &&
!(tmpItem.Style is ValueStyle) &&
!(tmpItem.Style is ClassBreakStyle)
//&& !(tmpItem.Style is FilterStyle)
&& !(tmpItem.Style is RegexStyle));
}
private LegendImporterItemViewModel GenerateComponentSytleItem(LayerListItem layerListItem)
{
var style = layerListItem.ConcreteObject as CompositeStyle;
var zoomLevelImporterItem = new LegendImporterItemViewModel();
zoomLevelImporterItem.PropertyChanged += LayerLegendImporterItemPropertyChanged;
zoomLevelImporterItem.Text = layerListItem.Name;
var styleItem = layerListItem as StyleLayerListItem;
if (styleItem != null)
{
zoomLevelImporterItem.Text += styleItem.ZoomLevelRange;
}
zoomLevelImporterItem.IconSource = layerListItem.PreviewImage.Source;
zoomLevelImporterItem.CheckBoxVisibility = Visibility.Visible;
zoomLevelImporterItem.Style = style;
zoomLevelImporterItem.Level = 1;
return(zoomLevelImporterItem);
}
private void LayerLegendImporterItemPropertyChanged(object sender, PropertyChangedEventArgs e)
{
LegendImporterItemViewModel itemViewModel = sender as LegendImporterItemViewModel;
if (e.PropertyName.Equals("AllowToAdd") && itemViewModel != null)
{
var indexOf = legendImporterItems.IndexOf(itemViewModel);
for (int i = indexOf + 1; i < legendImporterItems.Count; i++)
{
if (legendImporterItems[i].Level > itemViewModel.Level)
{
legendImporterItems[i].AllowToAdd = itemViewModel.AllowToAdd;
}
else
{
break;
}
}
}
}
private LegendImporterItemViewModel GenerateLayerItem(FeatureLayer featureLayer)
{
SimpleShapeType shpType = SimpleShapeType.Area;
var featureLayerPlugin = GisEditor.LayerManager.GetLayerPlugins(featureLayer.GetType()).FirstOrDefault() as FeatureLayerPlugin;
if (featureLayerPlugin != null)
{
featureLayerPlugin.GetFeatureSimpleShapeType(featureLayer);
}
ImageSource imageSource = GetIconSource("pointShp.png");
switch (shpType)
{
case SimpleShapeType.Line:
imageSource = GetIconSource("lineShp.png");
break;
case SimpleShapeType.Area:
imageSource = GetIconSource("areaShp.png");
break;
default:
break;
}
LegendImporterItemViewModel layerLegendImporterItem = new LegendImporterItemViewModel
{
Text = featureLayer.Name,
IconSource = imageSource,
Level = 0
};
layerLegendImporterItem.PropertyChanged += LayerLegendImporterItemPropertyChanged;
return(layerLegendImporterItem);
}
private IEnumerable <LegendImporterItemViewModel> GenerateStyleItems(Styles.Style style, int level)
{
if (style is AreaStyle || style is PointStyle || style is LineStyle)
{
LegendImporterItemViewModel styleLegendItem = new LegendImporterItemViewModel
{
Text = style.Name,
CheckBoxVisibility = Visibility.Visible,
Level = level,
LeftPaddingLevel = level,
Style = style
};
using (Bitmap nativeImage = new Bitmap(iconSize, iconSize))
{
var geoCanvas = new PlatformGeoCanvas();
var drawingShape = new RectangleShape(-10, 10, 10, -10);
geoCanvas.BeginDrawing(nativeImage, drawingShape, GeographyUnit.Meter);
style.DrawSample(geoCanvas, new DrawingRectangleF(geoCanvas.Width * .5f, geoCanvas.Height * .5f, geoCanvas.Width, geoCanvas.Height));
geoCanvas.EndDrawing();
var streamSource = new MemoryStream();
nativeImage.Save(streamSource, ImageFormat.Png);
var imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.StreamSource = streamSource;
imageSource.EndInit();
imageSource.Freeze();
styleLegendItem.IconSource = imageSource;
}
yield return(styleLegendItem);
}
else if (style is ClassBreakStyle || style is RegexStyle || style is ValueStyle || style is FilterStyle)
{
var clonedStyle = style.CloneDeep();
var classBreakStyle = clonedStyle as ClassBreakStyle;
var regexStyle = clonedStyle as RegexStyle;
var valueStyle = clonedStyle as ValueStyle;
var filterStyle = clonedStyle as FilterStyle;
IEnumerable <Styles.Style> subStyles = new Collection <Styles.Style>();
if (classBreakStyle != null)
{
subStyles = classBreakStyle.ClassBreaks.SelectMany(classBreakItem =>
{
foreach (var item in classBreakItem.CustomStyles)
{
item.Name = ClassBreakSubItem.GetClassBreakStyleName(classBreakItem.Value);
}
return(classBreakItem.CustomStyles);
});
}
else if (regexStyle != null)
{
subStyles = regexStyle.RegexItems.SelectMany(regexItem => regexItem.CustomStyles);
}
else if (filterStyle != null)
{
subStyles = new Collection <Styles.Style>();//filterStyle.Styles;
}
else
{
subStyles = valueStyle.ValueItems.SelectMany(valueItem =>
{
foreach (var item in valueItem.CustomStyles)
{
item.Name = valueItem.Value;
}
return(valueItem.CustomStyles);
});
}
LegendImporterItemViewModel styleLegendItem = new LegendImporterItemViewModel
{
Text = style.Name,
CheckBoxVisibility = Visibility.Visible,
Level = level,
Style = style
};
styleLegendItem.PropertyChanged += LayerLegendImporterItemPropertyChanged;
using (Bitmap nativeImage = new Bitmap(iconSize, iconSize))
{
var geoCanvas = new PlatformGeoCanvas();
var drawingShape = new RectangleShape(-10, 10, 10, -10);
geoCanvas.BeginDrawing(nativeImage, drawingShape, GeographyUnit.Meter);
style.DrawSample(geoCanvas, new DrawingRectangleF(geoCanvas.Width * .5f, geoCanvas.Height * .5f, geoCanvas.Width, geoCanvas.Height));
geoCanvas.EndDrawing();
var streamSource = new MemoryStream();
nativeImage.Save(streamSource, ImageFormat.Png);
BitmapImage imageSource = new BitmapImage();
imageSource.BeginInit();
imageSource.StreamSource = streamSource;
imageSource.EndInit();
imageSource.Freeze();
styleLegendItem.IconSource = imageSource;
}
yield return(styleLegendItem);
foreach (var itemStyle in subStyles)
{
foreach (var tmpItem in GenerateStyleItems(itemStyle, level + 3))
{
yield return(tmpItem);
}
}
}
else
{
var componentStyle = style as CompositeStyle;
if (componentStyle != null)
{
if (componentStyle.Styles.Count > 1)
{
LegendImporterItemViewModel styleLegendItem = new LegendImporterItemViewModel
{
Text = style.Name,
CheckBoxVisibility = Visibility.Visible,
Level = level,
IconSource = new BitmapImage()
};
yield return(styleLegendItem);
foreach (var innerStyle in componentStyle.Styles.Reverse())
{
foreach (var tmpItem in GenerateStyleItems(innerStyle, level + 3))
{
yield return(tmpItem);
}
}
}
else
{
foreach (var tmpItem in GenerateStyleItems(componentStyle.Styles.FirstOrDefault(), level))
{
yield return(tmpItem);
}
}
}
else
{
LegendImporterItemViewModel styleLegendItem = new LegendImporterItemViewModel
{
Text = style.Name,
CheckBoxVisibility = Visibility.Collapsed,
Level = level,
IconSource = new BitmapImage()
};
yield return(styleLegendItem);
}
}
}
