This commit is contained in:
Jsj
428
PROMS/VEPROMS.CSLA.Library/Format/vlnFormat.cs
Normal file
428
PROMS/VEPROMS.CSLA.Library/Format/vlnFormat.cs
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using System.ComponentModel;
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namespace VEPROMS.CSLA.Library
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{
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#region vlnFormatDocument
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public class vlnFormatDocument:XmlDocument
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{
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private static XmlElement mydocele;
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public vlnFormatDocument(Format myFormat)
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{
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_MyFormat = myFormat;
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LoadXml(MyFormat.Data);
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mydocele = this.DocumentElement;
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}
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private Format _MyFormat;
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public Format MyFormat
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{
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get { return _MyFormat; }
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set { _MyFormat = value; }
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}
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public static XmlNode LookupSingleNode(XmlNode xmlNode, string path)
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{
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//original:
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//if (xmlNode == null) return null;
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//XmlNode xn = xmlNode.SelectSingleNode(path);
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//if (xn != null) return xn;
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//if (xmlNode.Name == "Step") xn = LookupSingleStepNode(xmlNode, path);
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//if (xn != null) return xn;
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//if (path.StartsWith("Font")) return LookupSingleFontNode(xmlNode, path);
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//return InheritLookup(xmlNode, path);
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if (path.StartsWith("Font"))
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{
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XmlNode xn = null;
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if (xmlNode != null)
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{
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xn = xmlNode.SelectSingleNode(path);
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if (xn != null) return xn;
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}
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else
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{
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xmlNode = LookupSingleNode(mydocele.FirstChild, "/PlantFormat/FormatData");
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}
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return LookupSingleFontNode(xmlNode, path);
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}
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else
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{
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if (xmlNode == null) return null;
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XmlNode xn = xmlNode.SelectSingleNode(path);
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if (xn != null) return xn;
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if (xmlNode.Name == "Step") xn = LookupSingleStepNode(xmlNode, path);
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if (xn != null) return xn;
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if (path.StartsWith("Font")) return LookupSingleFontNode(xmlNode, path);
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return InheritLookup(xmlNode, path, false);
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}
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}
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public static XmlNode LookupSingleFontNode(XmlNode xmlNode, string path)
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{
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if (xmlNode == null) return null;
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XmlNode tmpNode = xmlNode;
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XmlNode xn = xmlNode.SelectSingleNode(path);
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while (xn == null)//Walk-up the format tree to find a font node
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{
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if (xmlNode.NodeType == XmlNodeType.Document)
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{
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return LookupSingleNode(tmpNode, "/PlantFormat/FormatData/" + path);
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}
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xmlNode = xmlNode.ParentNode;
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xn = xmlNode.SelectSingleNode(path);
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}
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return xn;
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}
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public static XmlNode LookupSingleStepNode(XmlNode xmlNode, string path)
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{
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if (xmlNode == null) return null;
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XmlNode xn = xmlNode.SelectSingleNode(path);
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XmlNode tmpNode = xmlNode;
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XmlNode tmpNode2 = xmlNode;
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while (xn == null) //Walk-up the format tree to find a step node
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{
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tmpNode = xmlNode;
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xmlNode = xmlNode.ParentNode.SelectSingleNode(string.Format("Step[@Type='{0}']",xmlNode.Attributes["ParentType"].InnerText));
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if (xmlNode == null && path.StartsWith("Font")) return LookupSingleFontNode(tmpNode, path);
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if (xmlNode == null)
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return InheritLookup(tmpNode2, path, true);
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xn = xmlNode.SelectSingleNode(path);
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}
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return xn;
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}
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public static XmlNodeList LookupNodes(XmlNode xmlNode, string path)
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{
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if (xmlNode == null) return null;
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XmlNodeList xl = xmlNode.SelectNodes(path);
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if (xl == null) xl = InheritLookupNodes(xmlNode, path);
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if (xl == null) return null;
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return xl;
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}
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public static string Lookup(XmlNode xmlNode, string path)
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{
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//if (xmlNode == null) return null;
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XmlNode xn = LookupSingleNode(xmlNode, path);
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//if (xn == null) xn = InheritLookup(xmlNode, path);
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if (xn == null) return null;
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return xn.InnerText;
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}
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//public static string StepLookup(XmlNode xmlNode, string path)
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//{
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// //if (xmlNode == null) return null;
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// XmlNode xn = LookupSingleStepNode(xmlNode, path);
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// //if (xn == null) xn = InheritLookup(xmlNode, path);
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// if (xn == null) return null;
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// return xn.InnerText;
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//}
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public static T EnumLookup<T>(XmlNode xmlNode, string path)
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{
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string str = Lookup(xmlNode,path);
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if (str == null) return default(T);
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return (T)Enum.Parse(typeof(T), str);
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}
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public static int? IntLookup(XmlNode xmlNode, string path)
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{
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//if (xmlNode == null) return null;
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//XmlNode xn = LookupSingleNode(xmlNode, path);
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//if (xn == null) xn = InheritLookup(xmlNode, path);
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//if (xn == null) return null;
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//return int.Parse(xn.InnerText);
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string str = Lookup(xmlNode, path);
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if (str == null) return null;
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return int.Parse(str);
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}
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public static int SiblingCount(XmlNode xmlNode)
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{
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int retval = 0;
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string nodeName = xmlNode.Name;
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for (XmlNode xn = xmlNode; xn != null; xn = xn.PreviousSibling)
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{
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if (xn.Name == nodeName) retval++;
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}
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return retval;
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}
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public static string Path(XmlNode xmlNode)
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{
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// Walk the path
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string parentPath = (xmlNode.ParentNode == xmlNode.OwnerDocument ? "" : Path(xmlNode.ParentNode));
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// Count Siblings with the Same Name
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int sibCount = SiblingCount(xmlNode);
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return string.Format("{0}/{1}[{2}]", parentPath, xmlNode.Name, sibCount);
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}
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public static XmlNode InheritLookup(XmlNode xmlNode, string path, bool stepLookup)
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{
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stepLookup = false; // 8/2 change for inheritance
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if (xmlNode == null) return null;// No path to match
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string xPath = Path(xmlNode);// Build xPath from xmlNode
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vlnFormatDocument fd = (vlnFormatDocument)(xmlNode.OwnerDocument);//First Get the vlnFormatDocument
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while(fd.MyFormat.MyParent != null)
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{
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fd = fd.MyFormat.MyParent.PlantFormat.XmlDoc;// Get the parents vlnFormatDocument
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if (fd != null)
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{
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XmlNode xp;
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if (path.StartsWith("/")) xp = fd.DocumentElement;
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else xp = fd.SelectSingleNode(xPath);// Get the related node
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if (xp != null)
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{
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XmlNode xn = null;
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if (stepLookup)
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xn = LookupSingleStepNode(xp, path);
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else
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xn = xp.SelectSingleNode(path);
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if(xn != null) return xn;
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}
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}
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}
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return null;
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}
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public static XmlNodeList InheritLookupNodes(XmlNode xmlNode, string path)
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{
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if (xmlNode == null) return null;// No path to match
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string xPath = Path(xmlNode);// Build xPath from xmlNode
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vlnFormatDocument fd = (vlnFormatDocument)(xmlNode.OwnerDocument);//First Get the vlnFormatDocument
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while (fd.MyFormat.MyParent != null)
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{
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fd = fd.MyFormat.MyParent.PlantFormat.XmlDoc;// Get the parents vlnFormatDocument
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if (fd != null)
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{
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XmlNode xp = fd.SelectSingleNode(xPath);// Get the related node
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if (xp != null)
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{
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XmlNodeList xl = xp.SelectNodes(path);
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if (xl != null) return xl;
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}
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}
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}
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return null;
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}
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}
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#endregion
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#region vlnFormatItem
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[TypeConverter(typeof(ExpandableObjectConverter))]
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public class vlnFormatItem
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{
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public vlnFormatItem(XmlNode xmlNode)
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{
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_XmlNode = xmlNode;
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}
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public vlnFormatItem() { }
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XmlNode _XmlNode;
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internal XmlNode XmlNode
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{
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get { return _XmlNode; }
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set { _XmlNode = value; }
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}
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public virtual string GetPDDisplayName()
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{ return ToString(); }
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public virtual string GetPDName()
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{ return ToString(); }
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public virtual string GetPDDescription()
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{ return ToString(); }
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public virtual string GetPDCategory()
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{ return ToString(); }
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public XmlNodeList SelectNodes(string path)
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{
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return vlnFormatDocument.LookupNodes(_XmlNode, path);
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}
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public XmlNode SelectSingleNode(string path)
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{
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return vlnFormatDocument.LookupSingleNode(_XmlNode, path);
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}
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public XmlNode SelectSingleFontNode(string path)
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{
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return vlnFormatDocument.LookupSingleFontNode(_XmlNode, path);
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}
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public string Lookup(string path)
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{
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return vlnFormatDocument.Lookup(_XmlNode, path);
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}
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public string Lookup(string path, ref string local)
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{
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return (local != null? local : local = Lookup(path));
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}
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//public string StepLookup(string path)
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//{
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// return vlnFormatDocument.StepLookup(_XmlNode, path);
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//}
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public int? IntLookup(string path)
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{
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return vlnFormatDocument.IntLookup(_XmlNode, path);
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}
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public int? IntLookup(string path, ref int? local)
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{
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return (local != null ? local : local = IntLookup(path));
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}
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public T EnumLookup<T>(string path)
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{
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return vlnFormatDocument.EnumLookup<T>(_XmlNode, path);
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}
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public string LazyLoad(ref LazyLoad<string> ll, string xPath)
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{
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if (ll == null)
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{
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XmlNode xn = SelectSingleNode(xPath);
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ll = new LazyLoad<string>(xn != null ? xn.InnerText : null);
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}
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return ll.Value;
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}
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public int? LazyLoad(ref LazyLoad<int?> ll, string xPath)
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{
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if (ll == null)
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{
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XmlNode xn = SelectSingleNode(xPath);
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ll = new LazyLoad<int?>(xn != null ? (int?)int.Parse(xn.InnerText) : null);
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}
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return ll.Value;
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}
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public Nullable<T> LazyLoad<T>(ref LazyLoad<Nullable<T>> ll, string xPath)
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where T:struct
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{
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if (ll == null)
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{
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XmlNode xn = SelectSingleNode(xPath);
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ll = new LazyLoad<Nullable<T>>(xn != null ? (Nullable<T>)Enum.Parse(typeof(T), xn.InnerText) : null);
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}
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return ll.Value;
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}
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}
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#endregion
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#region LazyLoad
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public class LazyLoad<T>
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{
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public LazyLoad(T value)
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{
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_Value = value;
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}
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private T _Value;
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public T Value
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{
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get { return _Value; }
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set { _Value = value; }
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}
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}
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#endregion
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#region vlnFormatList, new()
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public class vlnFormatList<T> : List<T>, ICustomTypeDescriptor
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where T : vlnFormatItem, new()
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{
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private XmlNodeList _XmlNodeList;
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internal XmlNodeList XmlNodeList
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{
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get { return _XmlNodeList; }
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set { _XmlNodeList = value; }
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}
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public vlnFormatList(XmlNodeList xmlNodeList)
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{
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_XmlNodeList = xmlNodeList;
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foreach (XmlNode xn in _XmlNodeList)
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{
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T tt = new T();
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tt.XmlNode = xn;
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Add(tt);
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}
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}
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#region ICustomTypeDescriptor
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public String GetClassName()
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{ return TypeDescriptor.GetClassName(this, true); }
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public AttributeCollection GetAttributes()
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{ return TypeDescriptor.GetAttributes(this, true); }
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public String GetComponentName()
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{ return TypeDescriptor.GetComponentName(this, true); }
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public TypeConverter GetConverter()
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{ return TypeDescriptor.GetConverter(this, true); }
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public EventDescriptor GetDefaultEvent()
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{ return TypeDescriptor.GetDefaultEvent(this, true); }
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public PropertyDescriptor GetDefaultProperty()
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{ return TypeDescriptor.GetDefaultProperty(this, true); }
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public object GetEditor(Type editorBaseType)
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{ return TypeDescriptor.GetEditor(this, editorBaseType, true); }
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public EventDescriptorCollection GetEvents(Attribute[] attributes)
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{ return TypeDescriptor.GetEvents(this, attributes, true); }
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public EventDescriptorCollection GetEvents()
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{ return TypeDescriptor.GetEvents(this, true); }
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public object GetPropertyOwner(PropertyDescriptor pd)
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{ return this; }
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public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
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{ return GetProperties(); }
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public virtual PropertyDescriptorCollection GetProperties()
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{
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// Create a collection object to hold property descriptors
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PropertyDescriptorCollection pds = new PropertyDescriptorCollection(null);
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// Iterate the list
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int i = 0;
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for (i = 0; i < this.Count; i++)
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{
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// Create a property descriptor for the item and add to the property descriptor collection
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pds.Add(new vlnPropertyDescriptor<vlnFormatList<T>, T>(this, i));
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}
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// return the property descriptor collection
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return pds;
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}
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#endregion
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}
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#endregion
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#region vlnListConverter
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internal class vlnListConverter<T, C> : ExpandableObjectConverter
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where T : vlnFormatList<C>
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where C : vlnFormatItem, new()
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{
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private string Plural(string name)
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{
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if (name.EndsWith("y")) return name.Substring(0, name.Length - 1) + "ies";
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if (name.EndsWith("ss")) return name + "es";
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else return name + "s";
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}
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public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destType)
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{
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if (destType == typeof(string) && value is T)
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{
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// Return department and department role separated by comma.
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return ((T)value).Count.ToString() + " " + (((T)value).Count == 1 ? typeof(C).Name : Plural(typeof(C).Name));
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}
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return base.ConvertTo(context, culture, value, destType);
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}
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}
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#endregion
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#region vlnPropertyDescriptor
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public class vlnPropertyDescriptor<T, C> : PropertyDescriptor
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where T : vlnFormatList<C>
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where C : vlnFormatItem, new()
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{
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protected C _Item = null;
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public vlnPropertyDescriptor(T itemList, int index)
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: base("#" + index.ToString(), null)
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{
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_Item = itemList[index];
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}
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public override bool CanResetValue(object component)
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{ return true; }
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public override Type ComponentType
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{ get { return _Item.GetType(); } }
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public override object GetValue(object component)
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{ return _Item; }
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public override bool IsReadOnly
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{ get { return true; } }
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public override Type PropertyType
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{ get { return _Item.GetType(); } }
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public override void ResetValue(object component)
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{ ;}
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public override bool ShouldSerializeValue(object component)
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{ return true; }
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public override void SetValue(object component, object value)
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{ /*_Item = value*/;}
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//public override AttributeCollection Attributes
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//{ get { return new AttributeCollection(null); } }
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public override string DisplayName
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{ get { return _Item.GetPDDisplayName(); } }
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public override string Description
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{ get { return _Item.GetPDDescription(); } }
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public override string Name
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{ get { return _Item.GetPDName(); } }
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public override string Category
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{ get { return _Item.GetPDCategory(); } }
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} // Class
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#endregion
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}
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