/// <summary>
/// Creates a new instance of output parameter for the given property.
/// </summary>
private static BaseParameter CreateOutputParameter(GisTool tool, PropertyInfo prop, OutputAttribute attr)
{
var param = CreateParameter(prop.PropertyType, prop);
param.ControlHint = prop.GetAttribute <ControlHintAttribute>();
param.Tool = tool;
param.ToolProperty = prop;
param.Name = prop.Name;
param.DisplayName = attr.DisplayName;
param.Required = true;
param.IsInput = false;
param.Index = attr.Index;
var olp = param as OutputLayerParameter;
if (olp != null)
{
var layerAttr = prop.GetAttribute <OutputLayerAttribute>();
if (layerAttr != null)
{
olp.DefaultValue = layerAttr.NameTemplate;
olp.SupportInMemory = layerAttr.SupportsInMemory;
olp.LayerType = layerAttr.LayerType;
}
}
return(param);
}
/// <summary>
/// Creates parameter object for each property of the tool marked as input or output.
/// </summary>
public static IEnumerable <BaseParameter> CreateParameters(this GisTool tool)
{
var properties = tool.GetType().GetProperties();
foreach (var prop in properties)
{
var attrInput = prop.GetAttribute <InputAttribute>();
if (attrInput != null)
{
yield return(CreateInputParameter(tool, prop, attrInput));
}
var attrOutput = prop.GetAttribute <OutputAttribute>();
if (attrOutput != null)
{
yield return(CreateOutputParameter(tool, prop, attrOutput));
}
}
}
/// <summary>
/// Creates a new instance of the input parameter for the property.
/// </summary>
private static BaseParameter CreateInputParameter(GisTool tool, PropertyInfo prop, InputAttribute attr)
{
var param = CreateParameter(prop.PropertyType, prop);
param.ControlHint = prop.GetAttribute <ControlHintAttribute>();
param.IsInput = true;
param.Tool = tool;
param.ToolProperty = prop;
param.Name = prop.Name;
param.Index = attr.Index;
param.DisplayName = attr.DisplayName;
param.Required = !attr.Optional;
param.SectionName = attr.SectionName;
HandleRangeAttribute(param, prop);
HandleDefaultValueAttribute(param, prop);
return(param);
}