/// <summary>
/// 删除指定名称的属性
/// </summary>
/// <param name="strName"></param>
public void RemoveAttribute(string strName)
{
ZYAttribute myAttr = this[strName];
if (myAttr != null)
{
this.List.Remove(myAttr);
}
}
public ZYAttribute Clone()
{
ZYAttribute NewAttribute = new ZYAttribute();
NewAttribute.Name = strName;
NewAttribute.objValue = objValue;
NewAttribute.DefaultValue = this.DefaultValue;
return(NewAttribute);
}
/// <summary>
/// 获得指定名称的字符串类型的属性值
/// </summary>
/// <param name="strName">属性名称</param>
/// <returns>属性值</returns>
public string GetString(string strName)
{
foreach (ZYAttribute myAttr in this)
{
if (myAttr.Name == strName)
{
return(Convert.ToString(myAttr.Value));
}
}
return(Convert.ToString(ZYAttribute.GetDefaultValue(strName)));
}
/// <summary>
/// 获得指定名称的布尔类型的属性值
/// </summary>
/// <param name="strName">属性名称</param>
/// <returns>属性值</returns>
public bool GetBool(string strName)
{
foreach (ZYAttribute myAttr in this)
{
if (myAttr.Name == strName)
{
return((bool)myAttr.Value);
}
}
return((bool)ZYAttribute.GetDefaultValue(strName));
}
/// <summary>
/// 获得指定名称的单精度浮点数类型的属性值
/// </summary>
/// <param name="strName">属性名称</param>
/// <returns>属性值</returns>
public float GetFloat(string strName)
{
try
{
foreach (ZYAttribute myAttr in this)
{
if (myAttr.Name == strName)
{
return(Convert.ToSingle(myAttr.Value));
}
}
return(Convert.ToSingle(ZYAttribute.GetDefaultValue(strName)));
}
catch
{
return(0);
}
}
/// <summary>
/// 获得指定名称的整数类型的属性值
/// </summary>
/// <param name="strName">属性名称</param>
/// <returns>属性值</returns>
public int GetInt32(string strName)
{
try
{
foreach (ZYAttribute myAttr in this)
{
if (myAttr.Name == strName)
{
return(Convert.ToInt32(myAttr.Value));
}
}
return((int)ZYAttribute.GetDefaultValue(strName));
}
catch
{
return(0);
}
}
/// <summary>
/// 设置指定名称的属性值
/// </summary>
/// <param name="strName">属性名称</param>
/// <param name="vValue">属性值</param>
public void SetValue(string strName, object vValue)
{
ZYAttribute myValue = null;
foreach (ZYAttribute myAttr in this)
{
if (myAttr.Name == strName)
{
myValue = myAttr;
break;
}
}
if (myValue == null)
{
myValue = new ZYAttribute();
myValue.Name = strName;
this.List.Add(myValue);
}
if (myValue.Value == null || myValue.Value.Equals(vValue) == false)
{
if (myValue.Value != null || vValue != null)
{
if (OwnerElement != null && OwnerElement.OwnerDocument != null && OwnerElement.OwnerDocument.ContentChangeLog != null)
//if (OwnerElement != null && OwnerElement.OwnerDocument != null)
{
OwnerElement.OwnerDocument.ContentChangeLog.LogAttribute(
OwnerElement,
myValue,
vValue);
OwnerElement.OwnerDocument.Modified = true;
}
myValue.Value = vValue;
//if( myValue.Value == myValue.DefaultValue )myList.Remove( myValue );
bolModified = true;
}
}
}
/// <summary>
/// load attribute set from a xmlelement's attribute set
/// </summary>
/// <param name="myElement">xmlelement object</param>
/// <returns>handle is ok</returns>
public bool FromXML(System.Xml.XmlElement myElement)
{
// clear owner attribute set
this.Clear();
if (myElement == null)
{
return(false);
}
// enumerate xmlelement's attribute set
// for each xmlattribute create an attribute and add to owner attribute set
foreach (System.Xml.XmlAttribute myXMLAttr in myElement.Attributes)
{
ZYAttribute myAttr = new ZYAttribute();
myAttr.Name = myXMLAttr.Name;
myAttr.ValueString = myXMLAttr.Value;
if (myAttr.Value != myAttr.DefaultValue)
{
this.List.Add(myAttr);
}
}
bolModified = false;
return(true);
}
/// <summary>
/// 设置所有属性为默认值
/// </summary>
/// <returns>是否修改了数据</returns>
public bool SetDefaultValue()
{
bool bolChange = false;
foreach (ZYAttribute myAttr in this)
{
object DefaultValue = ZYAttribute.GetDefaultValue(myAttr.Name);
if (DefaultValue != null && DefaultValue.Equals(myAttr.Value))
{
if (OwnerElement != null && OwnerElement.OwnerDocument != null && OwnerElement.OwnerDocument.ContentChangeLog != null)
{
OwnerElement.OwnerDocument.ContentChangeLog.LogAttribute(
OwnerElement,
myAttr,
DefaultValue);
}
myAttr.Value = DefaultValue;
bolModified = true;
bolChange = true;
}
}
return(bolChange);
}
/// <summary>
/// 比较两个属性对象是否一致
/// </summary>
/// <param name="myAttr"></param>
/// <returns></returns>
public bool EqualsValue(ZYAttribute myAttr)
{
if (myAttr == null)
{
return(false);
}
if (myAttr == this)
{
return(true);
}
if (myAttr.Name != strName)
{
return(false);
}
if (this.Value != null)
{
return(this.Value.Equals(myAttr.Value));
}
else
{
return(myAttr.Value == null);
}
}
