/// <summary>
/// Extracts the placemarks from the feature.
/// </summary>
/// <param name="feature">The feature.</param>
/// <param name="placemarks">The list to add the placemark to.</param>
private static void ExtractPlacemarks(Dom.Feature feature, List <Dom.Placemark> placemarks)
{
// Is the passed in value a Placemark?
Dom.Placemark placemark = feature as Dom.Placemark;
if (placemark != null)
{
placemarks.Add(placemark);
}
else
{
// Is it a Container, as the Container might have a child Placemark?
Dom.Container container = feature as Dom.Container;
if (container == null)
{
return;
}
// Check each Feature to see if it's a Placemark or another Container
foreach (var f in container.Features)
{
ExtractPlacemarks(f, placemarks);
}
}
}
TreeViewItem ProcessFeature(Feature feature)
{
if (feature is Document)
{
return ProcessDocument(feature as Document);
}
else if (feature is Folder)
{
return ProcessFolder(feature as Folder);
}
else if (feature is Placemark)
{
return ProcessPlacemark(feature as Placemark);
}
else if (feature is Container)
{
return ProcessContainer(feature as Container);
}
return null;
}
private static void ExpandBox(Feature feature, BoundingBox box)
{
Placemark placemark = feature as Placemark;
if (placemark != null)
{
GeometryExtensions.ExpandBox(placemark.Geometry, box); // Can pass in nulls
return;
}
Container container = feature as Container;
if (container != null)
{
foreach (var f in container.Features)
{
ExpandBox(f, box);
}
return;
}
// It's not a placemark or container, try it as a IBoundsInformation
// and allow the conversion to fail
GeometryExtensions.ExpandBox(feature as IBoundsInformation, box);
}
private static void ExtractPlacemarks(Feature feature, List<Placemark> placemarks)
{
var placemark = feature as Placemark;
if (!string.IsNullOrEmpty(placemark?.Name) && !placemark.Name.StartsWith("Line #"))
{
placemarks.Add(placemark);
}
else
{
var container = feature as Container;
if (container == null) return;
foreach (var f in container.Features)
{
ExtractPlacemarks(f, placemarks);
}
}
}
private void GetExtendedDataFields(Feature feature)
{
if (feature.ExtendedData != null)
{
foreach (var data in feature.ExtendedData.Data)
{
this.GatherDataFields(data);
}
foreach (var schema in feature.ExtendedData.SchemaData)
{
this.GatherSchemaDataFields(schema);
}
}
}
private void GetFeatureFields(Feature feature)
{
// KmlObject's fields
AddtoDictionary(_map, "id", feature.Id);
AddtoDictionary(_map, "targetId", feature.TargetId);
// Feature's fields
// TODO: OGC KML 2.2 does not single out specific elements -
// any simple field or attribute of Feature is an entity candidate,
// however, these are the select few chosen by the C++ version
AddtoDictionary(_map, "name", feature.Name);
AddtoDictionary(_map, "address", feature.Address);
AddtoDictionary(_map, "Snippet", feature.Snippet);
AddtoDictionary(_map, "description", feature.Description);
}
/// <summary>
/// Maps all replaceable entities in the specified <see cref="Feature"/>.
/// </summary>
/// <param name="feature">
/// The <c>Feature</c> to search for replaceable entities.
/// </param>
/// <exception cref="ArgumentNullException">feature is null.</exception>
public void ParseEntityFields(Feature feature)
{
if (feature == null)
{
throw new ArgumentNullException("feature");
}
_fieldMap.Clear();
_map.Clear();
_markup.Clear();
this.GetFeatureFields(feature);
this.GetExtendedDataFields(feature);
}
private static object[] GetAssetProperties(Feature f)
{
return new object[]
{
f.Id,
f.StyleUrl != null ? f.StyleUrl.ToString().Replace("#", "") : "",
f
};
}
void ProcessFeature(Feature feature)
{
if (feature is Document)
{
ProcessDocument(feature as Document);
}
}
private static void ExtractPlacemarks(Feature feature, List<Placemark> placemarks)
{
if (feature is Placemark)
{
placemarks.Add(feature as Placemark);
}
else if (feature is Container)
{
foreach (var f in ((Container)feature).Features)
ExtractPlacemarks(f, placemarks);
}
}
/// <summary>
/// Creates a balloon text for the specified feature, calling
/// <see cref="ParseEntityFields"/> to gather information.
/// </summary>
/// <param name="feature">The feature to create a balloon text for.</param>
/// <returns>
/// The expanded version of the feature's balloon text, if specified;
/// otherwise an automatically generated HTML summary of the feature.
/// </returns>
/// <exception cref="ArgumentNullException">feature is null.</exception>
/// <remarks>
/// By default this method will not resolve any external styles.
/// </remarks>
public string CreateBalloonText(Feature feature)
{
this.ParseEntityFields(feature); // Will throw is feature is null
Style style = StyleResolver.CreateResolvedStyle(feature, this.file, StyleState.Normal);
if ((style.Balloon != null) && (style.Balloon.Text != null))
{
return this.ExpandEntities(style.Balloon.Text);
}
// If the Balloon doesn't exist or doesn't have any text then we'll
// make an HTML default table.
StringBuilder html = new StringBuilder();
if (feature.Name != null)
{
html.Append("<h3>");
html.Append(feature.Name);
html.Append("</h3><br/><br/>");
}
if ((feature.Description != null) && (feature.Description.Text != null))
{
html.Append(this.ExpandEntities(feature.Description.Text));
}
// Now a table of the extended data
if (this.markup.Count != 0)
{
html.AppendLine("\n<table border=\"1\">");
foreach (var data in this.markup)
{
html.Append("<tr><td>");
html.Append(data.Item1);
html.Append("</td><td>");
html.Append(data.Item2);
html.AppendLine("</tr>");
}
}
return html.ToString();
}
private static void ExtractPlacemarks(Feature feature, List<Placemark> placemarks)
{
// Is the passed in value a Placemark?
Placemark placemark = feature as Placemark;
if (placemark != null)
{
placemarks.Add(placemark);
}
else
{
// Is it a Container, as the Container might have a child Placemark?
Container container = feature as Container;
if (container != null)
{
// Check each Feature to see if it's a Placemark or another Container
foreach (var f in container.Features)
{
ExtractPlacemarks(f, placemarks);
}
}
}
}
public void SetFeature(Feature feature)
{
_feature = feature;
ProcessSchema();
}
/// <summary>
/// Adds the specified <see cref="Feature"/> to this instance.
/// </summary>
/// <param name="feature">The <c>Feature</c> to add to this instance.</param>
/// <exception cref="ArgumentNullException">feature is null.</exception>
/// <exception cref="InvalidOperationException">
/// feature belongs to another <see cref="Element"/>.
/// </exception>
public void AddFeature(Feature feature)
{
this.AddChild(feature);
}
