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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.Core.Commands;
namespace Tango.FSE.Procedures
{
public class DebugNode : ExtendedObject
{
private Object _originalValue;
public String Name { get; set; }
public Object ParentObject { get; set; }
private Object _value;
public Object Value
{
get { return _value; }
set
{
_value = value;
if (_originalValue == null)
{
_originalValue = _value;
}
DisplayValue = GetDisplayValue(_value);
RaisePropertyChangedAuto();
}
}
public bool IsSimpleValue { get; set; }
public String Type { get; set; }
public PropertyInfo PropertyInfo { get; set; }
public FieldInfo FieldInfo { get; set; }
public Type MemberType
{
get
{
if (PropertyInfo != null)
{
return PropertyInfo.PropertyType;
}
else if (FieldInfo != null)
{
return FieldInfo.FieldType;
}
else
{
return Value.GetType();
}
}
}
private bool _isEdited;
public bool IsEdited
{
get { return _isEdited; }
set { _isEdited = value; RaisePropertyChangedAuto(); }
}
public RelayCommand UpdateValueCommand { get; set; }
public bool IsEditable
{
get
{
if (IsSimpleValue)
{
return false; //Sorry can't update simple script symbols as they are passed to me by value...
}
if (MemberType != null && MemberType.IsValueTypeOrString() && ((PropertyInfo != null && PropertyInfo.SetMethod != null) || FieldInfo != null))
{
return true;
}
return false;
}
}
private Object _displayValue;
public Object DisplayValue
{
get { return _displayValue; }
set { _displayValue = value; RaisePropertyChangedAuto(); }
}
public List<DebugNode> Nodes
{
get
{
return GetChildNodes();
}
}
public DebugNode()
{
UpdateValueCommand = new RelayCommand(UpdateValue);
}
private void UpdateValue()
{
try
{
if (IsSimpleValue && Value != null)
{
_value = Convert.ChangeType(DisplayValue, Value.GetType());
IsEdited = _originalValue.ToStringSafe() != Value.ToStringSafe();
}
else if (IsEditable && ((PropertyInfo != null && PropertyInfo.SetMethod != null) || FieldInfo != null))
{
if (PropertyInfo != null)
{
_value = Convert.ChangeType(DisplayValue, PropertyInfo.PropertyType);
PropertyInfo.SetValue(ParentObject, Value);
IsEdited = _originalValue.ToStringSafe() != Value.ToStringSafe();
}
else if (FieldInfo != null)
{
_value = Convert.ChangeType(DisplayValue, FieldInfo.FieldType);
FieldInfo.SetValue(ParentObject, Value);
IsEdited = _originalValue.ToStringSafe() != Value.ToStringSafe();
}
}
}
catch { }
DisplayValue = GetDisplayValue(Value);
}
private List<DebugNode> GetChildNodes()
{
List<DebugNode> childNodes = new List<DebugNode>();
if (Value == null) return childNodes;
var type = Value.GetType();
if (type.IsValueTypeOrString())
{
return childNodes;
}
if (typeof(IEnumerable).IsAssignableFrom(type) && type != typeof(String))
{
List<Object> list = (Value as IEnumerable).Cast<Object>().ToList();
for (int i = 0; i < list.Count; i++)
{
var item = list[i];
DebugNode listNode = new DebugNode();
listNode.Name = $"[{i}]";
listNode.Value = item;
listNode.Type = GetFriendlyName(item.GetType());
childNodes.Add(listNode);
}
}
else
{
foreach (var prop in type.GetProperties(BindingFlags.Instance | BindingFlags.Public))
{
DebugNode propNode = new DebugNode();
propNode.Type = GetFriendlyName(prop.PropertyType);
propNode.Name = prop.Name;
propNode.Value = prop.GetValue(Value);
propNode.PropertyInfo = prop;
propNode.ParentObject = Value;
childNodes.Add(propNode);
}
foreach (var field in type.GetFields(BindingFlags.Instance | BindingFlags.Public))
{
DebugNode propNode = new DebugNode();
propNode.Type = GetFriendlyName(field.FieldType);
propNode.Name = field.Name;
propNode.Value = field.GetValue(Value);
propNode.FieldInfo = field;
propNode.ParentObject = Value;
childNodes.Add(propNode);
}
}
return childNodes;
}
public static DebugNode CreateNode(String name, Object obj)
{
DebugNode node = new DebugNode();
node.Name = name;
node.Value = obj;
node.Type = GetFriendlyName(obj.GetType());
if (obj.GetType().IsValueTypeOrString())
{
node.IsSimpleValue = true;
}
return node;
}
private static String GetFriendlyName(Type type)
{
if (type == typeof(int))
return "int";
else if (type == typeof(short))
return "short";
else if (type == typeof(byte))
return "byte";
else if (type == typeof(bool))
return "bool";
else if (type == typeof(long))
return "long";
else if (type == typeof(float))
return "float";
else if (type == typeof(double))
return "double";
else if (type == typeof(decimal))
return "decimal";
else if (type == typeof(string))
return "string";
else if (type.IsGenericType)
return type.Name.Split('`')[0] + "<" + string.Join(", ", type.GetGenericArguments().Select(x => GetFriendlyName(x)).ToArray()) + ">";
else
return type.Name;
}
private static Object GetDisplayValue(Object value)
{
if (value == null)
{
return "null";
}
else if (value.GetType().IsValueTypeOrString())
{
return value;
}
else if (typeof(IEnumerable).IsAssignableFrom(value.GetType()))
{
List<Object> list = (value as IEnumerable).Cast<Object>().ToList();
return $"Count = {list.Count}";
}
return value.ToStringSafe();
}
}
}
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