internal static ThemeUniqueItem FromJson(System.Json.JsonValue jsonValue)
{
if (jsonValue == null) { return null; };
ThemeUniqueItem item = new ThemeUniqueItem();
item.Caption = jsonValue["caption"];
item.Style = ServerStyle.FromJson((JsonObject)jsonValue["style"]);
item.Unique = jsonValue["unique"];
item.Visible = (bool)jsonValue["visible"];
return item;
}
internal static string ToJson(ThemeUniqueItem item)
{
string json = "{";
List<string> list = new List<string>();
if (!string.IsNullOrEmpty(item.Caption))
{
list.Add(string.Format("\"caption\":\"{0}\"", item.Caption));
}
else
{
list.Add("\"caption\":\"\"");
}
//默认值这边儿是个问题，又不要判断呢？
list.Add(string.Format("\"visible\":{0}", item.Visible.ToString(System.Globalization.CultureInfo.InvariantCulture).ToLower()));
if (item.Style != null)
{
list.Add(string.Format("\"style\":{0}", ServerStyle.ToJson(item.Style)));
}
else
{
list.Add(string.Format("\"style\":{0}", ServerStyle.ToJson(new ServerStyle())));
}
if (!string.IsNullOrEmpty(item.Unique))
{
list.Add(string.Format("\"unique\":\"{0}\"", item.Unique));
}
else
{
list.Add("\"unique\":\"\"");
}
json += string.Join(",", list.ToArray());
json += "}";
return json;
}
void service_ProcessCompleted(object sender, GenerateSpatialDataArgs e)
{
ThemeUniqueItem item1 = new ThemeUniqueItem();
ServerStyle style1 = new ServerStyle();
style1.FillForeColor = Color.FromArgb(255, 242, 48, 48);
style1.LineColor = Color.FromArgb(255, 242, 48, 48);
item1.Unique = "拥堵";
item1.Style = style1;
ThemeUniqueItem item2 = new ThemeUniqueItem();
ServerStyle style2 = new ServerStyle();
style2.FillForeColor = Color.FromArgb(255, 255, 159, 25);
style2.LineColor = Color.FromArgb(255, 255, 159, 25);
item2.Unique = "缓行";
item2.Style = style2;
ThemeUniqueItem item3 = new ThemeUniqueItem();
ServerStyle style3 = new ServerStyle();
style3.FillForeColor = Color.FromArgb(255, 91, 195, 69);
style3.LineColor = Color.FromArgb(255, 91, 195, 69);
item3.Unique = "畅通";
item3.Style = style3;
ThemeUnique themeUnique = new ThemeUnique();
themeUnique.UniqueExpression = "TrafficStatus";
themeUnique.Items = new List<ThemeUniqueItem>() { item1,item2,item3};
ThemeParameters param = new ThemeParameters();
param.DatasetName = "generateSpatialData";
param.DataSourceName = "Changchun";
param.Themes=new List<Theme>(){themeUnique};
ThemeService themeService = new ThemeService(_mapUrl);
themeService.ProcessCompleted += new EventHandler<ThemeEventArgs>(themeService_ProcessCompleted);
themeService.ProcessAsync(param);
}
