2009-03-05 16:03:34 +00:00

448 lines
14 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.ComponentModel;
namespace VEPROMS.CSLA.Library
{
#region vlnFormatDocument
public class vlnFormatDocument:XmlDocument
{
private static XmlElement mydocele;
public vlnFormatDocument(Format myFormat)
{
_MyFormat = myFormat;
LoadXml(MyFormat.Data);
mydocele = this.DocumentElement;
}
private Format _MyFormat;
public Format MyFormat
{
get { return _MyFormat; }
set { _MyFormat = value; }
}
public static XmlNode LookupSingleNode(XmlNode xmlNode, string path)
{
//original:
//if (xmlNode == null) return null;
//XmlNode xn = xmlNode.SelectSingleNode(path);
//if (xn != null) return xn;
//if (xmlNode.Name == "Step") xn = LookupSingleStepNode(xmlNode, path);
//if (xn != null) return xn;
//if (path.StartsWith("Font")) return LookupSingleFontNode(xmlNode, path);
//return InheritLookup(xmlNode, path);
if (path.StartsWith("Font"))
{
XmlNode xn = null;
if (xmlNode != null)
{
xn = xmlNode.SelectSingleNode(path);
// RHM 2008-12-15 - Added logic to keep looking if a blank attribute is found
if (xn != null && xn is XmlAttribute && (xn as XmlAttribute).Value != "") return xn;
//if (xn != null) return xn;
}
else
{
xmlNode = LookupSingleNode(mydocele.FirstChild, "/PlantFormat/FormatData");
}
return LookupSingleFontNode(xmlNode, path);
}
else
{
if (xmlNode == null) return null;
XmlNode xn = xmlNode.SelectSingleNode(path);
if (xn != null) return xn;
if (xmlNode.Name == "Step") xn = LookupSingleStepNode(xmlNode, path);
if (xn != null) return xn;
if (path.StartsWith("Font")) return LookupSingleFontNode(xmlNode, path);
return InheritLookup(xmlNode, path, false);
}
}
public static XmlNode LookupSingleFontNode(XmlNode xmlNode, string path)
{
if (xmlNode == null) return null;
XmlNode tmpNode = xmlNode;
XmlNode xn = xmlNode.SelectSingleNode(path);
// RHM 2008-12-15 - Added logic to keep looking if a blank attribute is found
while (xn == null || (xn is XmlAttribute && (xn as XmlAttribute).Value == ""))//Walk-up the format tree to find a font node
{
if (xmlNode.NodeType == XmlNodeType.Document)
{
return LookupSingleNode(tmpNode, "/PlantFormat/FormatData/" + path);
}
xmlNode = xmlNode.ParentNode;
xn = xmlNode.SelectSingleNode(path);
}
return xn;
}
public static XmlNode LookupSingleStepNode(XmlNode xmlNode, string path)
{
if (xmlNode == null) return null;
XmlNode xn = xmlNode.SelectSingleNode(path);
XmlNode tmpNode = xmlNode;
XmlNode tmpNode2 = xmlNode;
while (xn == null) //Walk-up the format tree to find a step node
{
tmpNode = xmlNode;
xmlNode = xmlNode.ParentNode.SelectSingleNode(string.Format("Step[@Type='{0}']",xmlNode.Attributes["ParentType"].InnerText));
if (xmlNode == null && path.StartsWith("Font")) return LookupSingleFontNode(tmpNode, path);
if (xmlNode == null)
return InheritLookup(tmpNode2, path, true);
xn = xmlNode.SelectSingleNode(path);
}
return xn;
}
public static XmlNodeList LookupNodes(XmlNode xmlNode, string path)
{
if (xmlNode == null) return null;
XmlNodeList xl = xmlNode.SelectNodes(path);
if (xl == null||xl.Count==0) xl = InheritLookupNodes(xmlNode, path);
if (xl == null) return null;
return xl;
}
public static string Lookup(XmlNode xmlNode, string path)
{
//if (xmlNode == null) return null;
XmlNode xn = LookupSingleNode(xmlNode, path);
//if (xn == null) xn = InheritLookup(xmlNode, path);
if (xn == null) return null;
return xn.InnerText;
}
//public static string StepLookup(XmlNode xmlNode, string path)
//{
// //if (xmlNode == null) return null;
// XmlNode xn = LookupSingleStepNode(xmlNode, path);
// //if (xn == null) xn = InheritLookup(xmlNode, path);
// if (xn == null) return null;
// return xn.InnerText;
//}
public static T EnumLookup<T>(XmlNode xmlNode, string path)
{
string str = Lookup(xmlNode,path);
if (str == null) return default(T);
return (T)Enum.Parse(typeof(T), str);
}
public static int? IntLookup(XmlNode xmlNode, string path)
{
//if (xmlNode == null) return null;
//XmlNode xn = LookupSingleNode(xmlNode, path);
//if (xn == null) xn = InheritLookup(xmlNode, path);
//if (xn == null) return null;
//return int.Parse(xn.InnerText);
string str = Lookup(xmlNode, path);
if (str == null) return null;
return int.Parse(str);
}
public static int SiblingCount(XmlNode xmlNode)
{
int retval = 0;
string nodeName = xmlNode.Name;
for (XmlNode xn = xmlNode; xn != null; xn = xn.PreviousSibling)
{
if (xn.Name == nodeName) retval++;
}
return retval;
}
public static string Path(XmlNode xmlNode)
{
// Walk the path
string parentPath = (xmlNode.ParentNode == xmlNode.OwnerDocument ? "" : Path(xmlNode.ParentNode));
// Count Siblings with the Same Name
int sibCount = SiblingCount(xmlNode);
return string.Format("{0}/{1}[{2}]", parentPath, xmlNode.Name, sibCount);
}
public static XmlNode InheritLookup(XmlNode xmlNode, string path, bool stepLookup)
{
//stepLookup = false; // 8/2 change for inheritance
if (xmlNode == null) return null;// No path to match
string xPath = Path(xmlNode);// Build xPath from xmlNode
vlnFormatDocument fd = (vlnFormatDocument)(xmlNode.OwnerDocument);//First Get the vlnFormatDocument
while(fd.MyFormat.MyParent != null)
{
fd = fd.MyFormat.MyParent.PlantFormat.XmlDoc;// Get the parents vlnFormatDocument
if (fd != null)
{
XmlNode xp;
if (path.StartsWith("/")) xp = fd.DocumentElement;
else xp = fd.SelectSingleNode(xPath);// Get the related node
if (xp != null)
{
XmlNode xn = null;
if (stepLookup)
xn = LookupSingleStepNode(xp, path);
else
xn = xp.SelectSingleNode(path);
if(xn != null) return xn;
}
}
}
return null;
}
public static XmlNodeList InheritLookupNodes(XmlNode xmlNode, string path)
{
if (xmlNode == null) return null;// No path to match
string xPath = Path(xmlNode);// Build xPath from xmlNode
vlnFormatDocument fd = (vlnFormatDocument)(xmlNode.OwnerDocument);//First Get the vlnFormatDocument
while (fd.MyFormat.MyParent != null)
{
fd = fd.MyFormat.MyParent.PlantFormat.XmlDoc;// Get the parents vlnFormatDocument
if (fd != null)
{
XmlNode xp = fd.SelectSingleNode(xPath);// Get the related node
if (xp != null)
{
XmlNodeList xl = xp.SelectNodes(path);
if (xl != null) return xl;
}
}
}
return null;
}
}
#endregion
#region vlnFormatItem
[TypeConverter(typeof(ExpandableObjectConverter))]
public class vlnFormatItem
{
public vlnFormatItem(XmlNode xmlNode)
{
_XmlNode = xmlNode;
}
public vlnFormatItem() { }
XmlNode _XmlNode;
internal XmlNode XmlNode
{
get { return _XmlNode; }
set { _XmlNode = value; }
}
public virtual string GetPDDisplayName()
{ return ToString(); }
public virtual string GetPDName()
{ return ToString(); }
public virtual string GetPDDescription()
{ return ToString(); }
public virtual string GetPDCategory()
{ return ToString(); }
public XmlNodeList SelectNodes(string path)
{
return vlnFormatDocument.LookupNodes(_XmlNode, path);
}
public XmlNode SelectSingleNode(string path)
{
return vlnFormatDocument.LookupSingleNode(_XmlNode, path);
}
public XmlNode SelectSingleFontNode(string path)
{
return vlnFormatDocument.LookupSingleFontNode(_XmlNode, path);
}
public string Lookup(string path)
{
return vlnFormatDocument.Lookup(_XmlNode, path);
}
public string Lookup(string path, ref string local)
{
return (local != null? local : local = Lookup(path));
}
//public string StepLookup(string path)
//{
// return vlnFormatDocument.StepLookup(_XmlNode, path);
//}
public int? IntLookup(string path)
{
return vlnFormatDocument.IntLookup(_XmlNode, path);
}
public int? IntLookup(string path, ref int? local)
{
return (local != null ? local : local = IntLookup(path));
}
public T EnumLookup<T>(string path)
{
return vlnFormatDocument.EnumLookup<T>(_XmlNode, path);
}
public bool LazyLoad(ref LazyLoad<bool> ll, string xPath)
{
if (ll == null)
{
XmlNode xn = SelectSingleNode(xPath);
string tstr = xn != null ? xn.InnerText : "FALSE";
ll = new LazyLoad<bool>(tstr.ToUpper() == "TRUE" ? true : false);
}
return ll.Value;
}
public string LazyLoad(ref LazyLoad<string> ll, string xPath)
{
if (ll == null)
{
XmlNode xn = SelectSingleNode(xPath);
ll = new LazyLoad<string>(xn != null ? xn.InnerText : null);
}
return ll.Value;
}
public int? LazyLoad(ref LazyLoad<int?> ll, string xPath)
{
if (ll == null)
{
XmlNode xn = SelectSingleNode(xPath);
ll = new LazyLoad<int?>(xn != null ? (int?)int.Parse("0" + xn.InnerText) : null);
}
return ll.Value;
}
public Nullable<T> LazyLoad<T>(ref LazyLoad<Nullable<T>> ll, string xPath)
where T:struct
{
if (ll == null)
{
XmlNode xn = SelectSingleNode(xPath);
if (xn == null)
ll = new LazyLoad<T?>(null);
else if (xn.Value == "")// No value specified - Use zero value if it is defined - GetName returns a null if it is not defined
ll = new LazyLoad<Nullable<T>>(Enum.GetName(typeof(T), 0) != null ? (Nullable<T>) Enum.Parse(typeof(T), "0") : null);
else
ll = new LazyLoad<Nullable<T>>((Nullable<T>)Enum.Parse(typeof(T), xn.InnerText));
}
return ll.Value;
}
}
#endregion
#region LazyLoad
public class LazyLoad<T>
{
public LazyLoad(T value)
{
_Value = value;
}
private T _Value;
public T Value
{
get { return _Value; }
set { _Value = value; }
}
}
#endregion
#region vlnFormatList, new()
public class vlnFormatList<T> : List<T>, ICustomTypeDescriptor
where T : vlnFormatItem, new()
{
private XmlNodeList _XmlNodeList;
internal XmlNodeList XmlNodeList
{
get { return _XmlNodeList; }
set { _XmlNodeList = value; }
}
public vlnFormatList(XmlNodeList xmlNodeList)
{
if (xmlNodeList == null) return;
_XmlNodeList = xmlNodeList;
foreach (XmlNode xn in _XmlNodeList)
{
T tt = new T();
tt.XmlNode = xn;
Add(tt);
}
}
#region ICustomTypeDescriptor
public String GetClassName()
{ return TypeDescriptor.GetClassName(this, true); }
public AttributeCollection GetAttributes()
{ return TypeDescriptor.GetAttributes(this, true); }
public String GetComponentName()
{ return TypeDescriptor.GetComponentName(this, true); }
public TypeConverter GetConverter()
{ return TypeDescriptor.GetConverter(this, true); }
public EventDescriptor GetDefaultEvent()
{ return TypeDescriptor.GetDefaultEvent(this, true); }
public PropertyDescriptor GetDefaultProperty()
{ return TypeDescriptor.GetDefaultProperty(this, true); }
public object GetEditor(Type editorBaseType)
{ return TypeDescriptor.GetEditor(this, editorBaseType, true); }
public EventDescriptorCollection GetEvents(Attribute[] attributes)
{ return TypeDescriptor.GetEvents(this, attributes, true); }
public EventDescriptorCollection GetEvents()
{ return TypeDescriptor.GetEvents(this, true); }
public object GetPropertyOwner(PropertyDescriptor pd)
{ return this; }
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{ return GetProperties(); }
public virtual PropertyDescriptorCollection GetProperties()
{
// Create a collection object to hold property descriptors
PropertyDescriptorCollection pds = new PropertyDescriptorCollection(null);
// Iterate the list
int i = 0;
for (i = 0; i < this.Count; i++)
{
// Create a property descriptor for the item and add to the property descriptor collection
pds.Add(new vlnPropertyDescriptor<vlnFormatList<T>, T>(this, i));
}
// return the property descriptor collection
return pds;
}
#endregion
}
#endregion
#region vlnListConverter
internal class vlnListConverter<T, C> : ExpandableObjectConverter
where T : vlnFormatList<C>
where C : vlnFormatItem, new()
{
private string Plural(string name)
{
if (name.EndsWith("y")) return name.Substring(0, name.Length - 1) + "ies";
if (name.EndsWith("ss")) return name + "es";
else return name + "s";
}
public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
{
if (destType == typeof(string) && value is T)
{
// Return department and department role separated by comma.
return ((T)value).Count.ToString() + " " + (((T)value).Count == 1 ? typeof(C).Name : Plural(typeof(C).Name));
}
return base.ConvertTo(context, culture, value, destType);
}
}
#endregion
#region vlnPropertyDescriptor
public class vlnPropertyDescriptor<T, C> : PropertyDescriptor
where T : vlnFormatList<C>
where C : vlnFormatItem, new()
{
protected C _Item = null;
public vlnPropertyDescriptor(T itemList, int index)
: base("#" + index.ToString(), null)
{
_Item = itemList[index];
}
public override bool CanResetValue(object component)
{ return true; }
public override Type ComponentType
{ get { return _Item.GetType(); } }
public override object GetValue(object component)
{ return _Item; }
public override bool IsReadOnly
{ get { return true; } }
public override Type PropertyType
{ get { return _Item.GetType(); } }
public override void ResetValue(object component)
{ ;}
public override bool ShouldSerializeValue(object component)
{ return true; }
public override void SetValue(object component, object value)
{ /*_Item = value*/;}
//public override AttributeCollection Attributes
//{ get { return new AttributeCollection(null); } }
public override string DisplayName
{ get { return _Item.GetPDDisplayName(); } }
public override string Description
{ get { return _Item.GetPDDescription(); } }
public override string Name
{ get { return _Item.GetPDName(); } }
public override string Category
{ get { return _Item.GetPDCategory(); } }
} // Class
#endregion
}