/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
IDictionary <string, object> dict = null;
PopupItem popupitem = null;
if (value is PopupItem)
{
popupitem = value as PopupItem;
if (popupitem != null && popupitem.Graphic != null)
{
dict = popupitem.Graphic.Attributes;
}
}
if (dict != null)
{
string fieldName = parameter as string;
if (!string.IsNullOrEmpty(fieldName))
{
object o = MapTipsHelper.GetFieldValue(popupitem, fieldName);
if (o != null)
{
return(o.ToString());
}
}
}
return(null);
}
const string attributeBindingRegex = @"({)([^}]*)(})"; // Regular expression to identify attribute bindings
public static string ConvertExpressionWithFieldNames(PopupItem item, string formatter)
{
if (!string.IsNullOrEmpty(formatter))
{
StringBuilder sb = new StringBuilder();
string[] splitStringArray = Regex.Split(formatter, attributeBindingRegex);
bool isAttributeName = false;
foreach (string str in splitStringArray)
{
if (str == "{")
{
isAttributeName = true; continue;
}
if (str == "}")
{
isAttributeName = false; continue;
}
if (isAttributeName && item.Graphic.Attributes.ContainsKey(str))
{
var temp = MapTipsHelper.GetFieldValue(item, str);
sb.AppendFormat("{0}", temp);
}
else if (!isAttributeName)
{
sb.AppendFormat("{0}", str);
}
}
return(sb.ToString().Replace("$LINEBREAK$", "<br/>").Replace("&", "&").Replace("<", "<").Replace(">", ">").Replace("'", "'").Replace(""", "\""));
}
return(null);
}
/// <summary>
/// Modifies the source data before passing it to the target for display in the UI.
/// </summary>
/// <param name="value">The source data being passed to the target.</param>
/// <param name="targetType">The <see cref="T:System.Type"/> of data expected by the target dependency property.</param>
/// <param name="parameter">An optional parameter to be used in the converter logic.</param>
/// <param name="culture">The culture of the conversion.</param>
/// <returns>
/// The value to be passed to the target dependency property.
/// </returns>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
IDictionary <string, object> dict = null;
PopupItem popupitem = null;
if (value is PopupItem)
{
popupitem = value as PopupItem;
if (popupitem != null && popupitem.Graphic != null)
{
dict = popupitem.Graphic.Attributes;
}
}
if (dict != null)
{
object fieldValue = null;
string fieldName = parameter as string;
if (!string.IsNullOrEmpty(fieldName))
{
fieldValue = MapTipsHelper.GetFieldValue(popupitem, fieldName);
}
if (fieldValue != null)
{
string fieldUrl = MapTipsHelper.ExtractHyperlinkValue(fieldValue, true);
if (String.IsNullOrEmpty(fieldUrl))
{
return(null);
}
Uri targetUri = null;
if (!Uri.TryCreate(fieldUrl, UriKind.Absolute, out targetUri))
{
return(null);
}
return(fieldUrl);
}
}
return(null);
}