public void AddAttribute(string attributeName, string value)
{
MapTree.AttributeSpec aSpec = Tree.GetAttributeSpec(attributeName);
if (aSpec == null)
{
aSpec = new MapTree.AttributeSpec(Tree, attributeName);
}
MapNode.Attribute attribute = new Attribute(aSpec, value);
AddAttribute(attribute);
}
public bool ContainsAttribute(MapTree.AttributeSpec attSpec)
{
if (attributeList != null)
{
foreach (Attribute att in attributeList)
{
if (att.AttributeSpec == attSpec)
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// Returns the index of attribute. '-1' if not found.
/// </summary>
/// <param name="attributeName"></param>
/// <returns></returns>
public int FindAttributeIndex(MapTree.AttributeSpec attribute)
{
if (attributeList != null)
{
for (int i = 0; i < attributeList.Count; i++)
{
if (attributeList[i].AttributeSpec == attribute)
{
return(i);
}
}
}
return(-1);
}
/// <summary>
/// Returns false if attribute not found
/// </summary>
/// <param name="aSpec">AttributeSpec</param>
/// <param name="value">New value</param>
/// <returns></returns>
public bool UpdateAttribute(MapTree.AttributeSpec aSpec, string value)
{
if (attributeList != null)
{
for (int i = 0; i < attributeList.Count; i++)
{
if (attributeList[i].AttributeSpec == aSpec)
{
UpdateAttribute(i, value);
return(true);
}
}
}
return(false);
}
public bool GetAttribute(MapTree.AttributeSpec attSpec, out Attribute attribute)
{
if (attributeList != null)
{
foreach (Attribute att in attributeList)
{
if (att.AttributeSpec == attSpec)
{
attribute = att;
return(true);
}
}
}
attribute = Attribute.Empty;
return(false);
}
public bool DeleteAttribute(MapTree.AttributeSpec attributeSpec)
{
return(DeleteAttribute(a => a.AttributeSpec == attributeSpec));
}
public Attribute(MapTree.AttributeSpec aspec, object val)
{
this.AttributeSpec = aspec;
this.Value = val;
}