/// <summary>
/// 保存能力设置
/// </summary>
/// <param name="capId">能力标识</param>
/// <param name="oneValue">能力值</param>
public void SetSettings(TwCap capId, TwOneValue oneValue)
{
if (userSettings == null)
{
return;
}
userSettings[capId] = oneValue;
}
public TwCapability(TwCap cap, TwType valueType, object value)
{
CapabilityType = cap;
ContainerType = TwOn.One;
value = CastFromCapabilityType(value);
TwOneValue container = new TwOneValue(valueType, value);
Handle = LibKernel32.GlobalAlloc(0x42, Marshal.SizeOf(container));
try
{
IntPtr pv = LibKernel32.GlobalLock(Handle);
Marshal.StructureToPtr(container, pv, true);
}
finally
{
LibKernel32.GlobalUnlock(Handle);
}
}
/// <summary>
/// 保存设置到配置文件
/// </summary>
/// <returns>保存是否成功</returns>
public bool SaveSettings()
{
string configPath = Config.GetUFileClientConfigFile(); //用户自定义能力配置文件路径
//1：如果配置文件不存在返回
if (!File.Exists(configPath))
{
logger.Error("配置文件不存在");
return(false);
}
//2：如果扫描仪节点未设置则返回
if (defaultScannerName == null)
{
logger.Error("默认扫描仪没有设置");
return(false);
}
//二：保存配置函数
try
{
//1 创建扫描能力记录节点
XmlNode scannerEle = doc.CreateElement("scanner");
//1.1创建扫描仪名称节点
XmlElement scannerNameEle = doc.CreateElement("scannerName");
scannerNameEle.InnerText = defaultScannerName;
scannerEle.AppendChild(scannerNameEle);
//1.2创建能力列表
XmlElement scannerCapListEle = doc.CreateElement("scannerCap");
ICollection caps = userSettings.Keys;
foreach (TwCap capID in caps)
{
//1.2.1获取能力
string capName = capID.ToString();
TwOneValue oneValue = userSettings[capID] as TwOneValue;
if (oneValue == null || oneValue.ItemStr == null)
{
continue;
}
//1.2.2生成节点
XmlElement capEle = doc.CreateElement(capName);
capEle.SetAttribute("Itemtype", oneValue.ItemType.ToString());
capEle.SetAttribute("Item", oneValue.ItemStr);
//1.2.3添加到尾部
scannerCapListEle.AppendChild(capEle);
}
scannerEle.AppendChild(scannerCapListEle);
//2.1读取配置文件中的不同扫描仪的配置节点列表
XmlNode scanners = doc.SelectSingleNode("//ufileclient_config/scannerList");
if (scanners == null)
{
XmlNode root = doc.SelectSingleNode("//ufileclient_config");
XmlElement tmpList = doc.CreateElement("scannerList");
root.AppendChild(tmpList);
scanners = doc.SelectSingleNode("//ufileclient_config/scannerList");
}
//2.2查找配置文件中的默认扫描仪节点列表
XmlNodeList scannerList = doc.SelectNodes("//ufileclient_config/scannerList/scanner");
XmlNode scannerNode = GetScannerSettins(defaultScannerName, scannerList);
//2.3 如果节点存在则替换之
if (scannerNode != null)
{
scanners.ReplaceChild(scannerEle, scannerNode);
}
//2.3 节点不存在则创建新节点
else
{
scanners.AppendChild(scannerEle);
}
}
#region handle the exception
catch (Exception e)
{
logger.Error("配置文件操作失败：" + e.Message);
return(false);
}
finally
{
if (doc != null)
{
try
{
doc.Save(configPath);
}
catch (Exception e)
{
logger.Error("配置文件保存失败：" + e.Message);
}
}
;
}
#endregion
return(true);
}
/// <summary>
/// 读取配置文件
/// </summary>
/// <returns></returns>
private bool LoadSettings()
{
try
{
//一：读取默认扫描仪名称
string scannerName = defaultScannerName;
//检查扫描仪名称是否存在
if (scannerName == null)
{
logger.Debug("没有选择扫描仪");
return(false);
}
//二：根据扫描仪名称读取节点配置
XmlNodeList scannerNodeList = doc.SelectNodes(ConstCommon.scannerConfigXpath);
//1：获得具有指定名称的配置节点
XmlNode scannerNode = GetScannerSettins(scannerName, scannerNodeList);
//1.1：如果不存在则返回
if (scannerNode == null)
{
logger.Debug("指定的扫描仪没有配置");
return(true);
}
//2：读取节点能力配置列表
else
{
XmlNodeList scannerChildList = scannerNode.ChildNodes;
if (scannerChildList[1] != null)
{
XmlNodeList capNodeList = scannerChildList[1].ChildNodes;
for (int j = 0; j < capNodeList.Count; j++)
{
XmlElement xmlElement = capNodeList[j] as XmlElement;
//2.1 获取节点数值
string capName = xmlElement.Name;
string capType = xmlElement.GetAttribute("Itemtype");
string capValue = xmlElement.GetAttribute("Item");
//2.2 生成oneValueItem对象
TwCap capID = ((TwCap)Enum.Parse(typeof(TwCap), capName));
TwType dataType = (TwType)Enum.Parse(typeof(TwType), capType);
TwOneValue oneValue = new TwOneValue(dataType, capValue);
//2.4 记录扫描能力
userSettings[capID] = oneValue;
}
}
}
}
#region 异常处理
catch (System.Xml.XPath.XPathException e)
{
logger.Error("配置文件读取失败：" + e.Message);
return(false);
}
catch (ArgumentException e)
{
logger.Error("配置文件读取失败：" + e.Message);
return(false);
}
#endregion
return(true);
}
