/*
* /// <summary>
* /// Get the number of items in a sequence attribute.
* /// </summary>
* /// <param name="tagSequence"></param>
* /// <returns>
* /// The number of sequence items.
* ///
* /// If the attribute does not exist or is not a sequence, 0 is returned.
* /// </returns>
* public int GetSequenceItemCount(String tagSequence)
* {
* int sequenceItemCount = 0;
*
* Attribute attribute = GetAttribute(tagSequence);
*
* if (attribute == null)
* {
* // InterfaceLogging.WriteError(this, "Attribute does not exist. Returning 0.", tagSequence);
* sequenceItemCount = 0;
* }
* else
* {
* if (attribute is SequenceAttribute)
* {
* SequenceAttribute sequenceAttribute = attribute as SequenceAttribute;
*
* sequenceItemCount = sequenceAttribute.ItemCount;
* }
* else
* {
* // InterfaceLogging.WriteError(this, "Attribute is not a sequence", tagSequence);
* sequenceItemCount = 0;
* }
* }
*
* return(sequenceItemCount);
* }
*/
/*
* // First index determines sequence attribute: zero bas, second index determines : one based.
* public SequenceItem GetSequenceItem(int index1, int index2)
* {
* SequenceItem sequenceItem = null;
*
* Attribute attribute = GetAttribute(index1);
*
* if (attribute == null)
* {
* // InterfaceLogging.WriteError(this, "Attribute does not exist. Returning 0.", tagSequence);
* sequenceItem = null;
* }
* else
* {
* if (attribute is SequenceAttribute)
* {
* SequenceAttribute sequenceAttribute = attribute as SequenceAttribute;
*
* sequenceItem =
* }
* else
* {
* // InterfaceLogging.WriteError(this, "Attribute is not a sequence", tagSequence);
* sequenceItem = null;
* }
* }
*
* return(sequenceItem);
* }
*/
public int GetSequenceItemCount(int index)
{
int sequenceItemCount = 0;
Attribute attribute = GetAttribute(index);
if (attribute == null)
{
// InterfaceLogging.WriteError(this, "Attribute does not exist. Returning 0.", tagSequence);
sequenceItemCount = 0;
}
else
{
if (attribute is SequenceAttribute)
{
SequenceAttribute sequenceAttribute = attribute as SequenceAttribute;
sequenceItemCount = sequenceAttribute.ItemCount;
}
else
{
// InterfaceLogging.WriteError(this, "Attribute is not a sequence", tagSequence);
sequenceItemCount = 0;
}
}
return(sequenceItemCount);
}
//
// - Methods -
//
/// <summary>
/// Get the HLI Attribute, given a DvtkData attribute.
/// </summary>
/// <param name="tagSequence">The tag sequence (one or more tags seperated with an '/') of this attribue.</param>
/// <param name="dvtkDataAttribute">The DvtkData attribute.</param>
/// <returns>The HLI Attribute.</returns>
public static Attribute GetAttribute(String tagSequence, DvtkData.Dimse.Attribute dvtkDataAttribute)
{
Attribute attribute = null;
switch (dvtkDataAttribute.ValueRepresentation)
{
// These cases handles the "simple" attributes.
case VR.AE: // Application Entity
case VR.AS: // Age String
case VR.AT: // Attribute Tag
case VR.CS: // Code String
case VR.DA: // Date
case VR.DS: // Decimal String
case VR.DT: // Date Time
case VR.FL: // Floating Point Single
case VR.FD: // Floating Point Double
case VR.IS: // Integer String
case VR.LO: // Long String
case VR.LT: // Long Text
case VR.PN: // Person Name
case VR.SH: // Short String
case VR.SL: // Signed Long
case VR.SS: // Signed Short
case VR.ST: // Short Text
case VR.TM: // Time
case VR.UI: // Unique Identifier (UID)
case VR.UL: // Unsigned Long
case VR.US: // Unsigned Short
case VR.UT: // Unlimited Text
attribute = new SimpleAttribute(tagSequence, dvtkDataAttribute);
break;
// These cases handles the pixel data attributes.
case VR.OB: // Other Byte String
case VR.OF: // Other Float String
case VR.OW: // Other Word String
attribute = new PixelDataAttribute(tagSequence, dvtkDataAttribute);
break;
// This case handles the sequence attributes.
case VR.SQ: // Sequence of Items
attribute = new SequenceAttribute(tagSequence, dvtkDataAttribute);
break;
// This case handles the unknown attributes.
case VR.UN: // Unknown
attribute = new UnknownAttribute(tagSequence, dvtkDataAttribute);
break;
default:
attribute = null;
break;
}
return(attribute);
}
private static void SetSequenceAttribute(AttributeSet attributeSet, SetParameterGroup setParameterGroup)
{
foreach (Object parameter in setParameterGroup.values)
{
// Check if all parameters are of type sequence item.
if (!(parameter is SequenceItem))
{
DvtkHighLevelInterfaceException.Throw("Error while setting the Sequence attribute with tag " + setParameterGroup.tagAsString + ". Only sequence items are allowed as parameters.");
}
}
SequenceAttribute sequenceAttribute = new SequenceAttribute(setParameterGroup.tagAsUInt32);
foreach (SequenceItem sequenceItem in setParameterGroup.values)
{
sequenceAttribute.AddItem(sequenceItem);
}
attributeSet.Set(sequenceAttribute);
}
/// <summary>
/// Get the attribute set this attribute belongs to.
/// TODO!!: merge this code with GetAttribute method.
/// </summary>
/// <param name="tagSequence"></param>
/// <returns></returns>
internal AttributeSet GetAttributeSet(String tagSequence)
{
Tag[] tags;
Attribute attribute = null;
tags = Tag.InterpretTagSequence(tagSequence);
AttributeSet currentAttributeSet = this;
String currentTagSequence = "";
String currentTagSequenceLastTagNoIndex = "";
foreach (Tag tag in tags)
{
// Set the currentTagSequence.
if (currentTagSequence == "")
{
currentTagSequence = tag.TagAsString;
currentTagSequenceLastTagNoIndex = tag.TagWithoutIndex;
}
else
{
currentTagSequence += "/" + tag.TagAsString;
currentTagSequenceLastTagNoIndex = currentTagSequence + "/" + tag.TagWithoutIndex;
}
// Create the correct Attribute object.
DvtkData.Dimse.Attribute dvtkDataAttribute = currentAttributeSet.dvtkDataAttributeSet.GetAttribute(tag.TagAsUInt32);
if (dvtkDataAttribute == null)
{
attribute = null;
break;
}
else
{
attribute = Attribute.GetAttribute(tagSequence, dvtkDataAttribute);
}
// If this tag contains an index, check that the attribute is a sequence attribute
// and retrieve the correct attribute set from it.
if (tag.ContainsIndex)
{
if (attribute is SequenceAttribute)
{
SequenceAttribute sequenceAttribute = attribute as SequenceAttribute;
if (tag.Index > sequenceAttribute.ItemCount)
{
String errorText = "Sequence attribute with tag sequence " + currentTagSequenceLastTagNoIndex + " contains " + sequenceAttribute.ItemCount.ToString() + " items.";
errorText += "\r\nThe script however is expecting it to have an item with index " + tag.Index.ToString() + ".";
// InterfaceLogging.WriteError(errorText);
attribute = null;
break;
}
else
{
currentAttributeSet = sequenceAttribute.GetItem(tag.Index);
}
}
else
{
String errorText = "Attribute with tag sequence " + currentTagSequenceLastTagNoIndex + " is not a sequence attribute.";
errorText += "\r\nThe script however is expecting it because the tag sequence " + currentTagSequence + " contains an index.";
// InterfaceLogging.WriteError(errorText);
attribute = null;
break;
}
}
}
return(currentAttributeSet);
}
//
// - Methods -
//
/// <summary>
/// Get the HLI Attribute, given a DvtkData attribute.
/// </summary>
/// <param name="tagSequence">The tag sequence (one or more tags seperated with an '/') of this attribue.</param>
/// <param name="dvtkDataAttribute">The DvtkData attribute.</param>
/// <returns>The HLI Attribute.</returns>
public static Attribute GetAttribute(String tagSequence, DvtkData.Dimse.Attribute dvtkDataAttribute)
{
Attribute attribute = null;
switch(dvtkDataAttribute.ValueRepresentation)
{
// These cases handles the "simple" attributes.
case VR.AE: // Application Entity
case VR.AS: // Age String
case VR.AT: // Attribute Tag
case VR.CS: // Code String
case VR.DA: // Date
case VR.DS: // Decimal String
case VR.DT: // Date Time
case VR.FL: // Floating Point Single
case VR.FD: // Floating Point Double
case VR.IS: // Integer String
case VR.LO: // Long String
case VR.LT: // Long Text
case VR.PN: // Person Name
case VR.SH: // Short String
case VR.SL: // Signed Long
case VR.SS: // Signed Short
case VR.ST: // Short Text
case VR.TM: // Time
case VR.UI: // Unique Identifier (UID)
case VR.UL: // Unsigned Long
case VR.US: // Unsigned Short
case VR.UT: // Unlimited Text
attribute = new SimpleAttribute(tagSequence, dvtkDataAttribute);
break;
// These cases handles the pixel data attributes.
case VR.OB: // Other Byte String
case VR.OF: // Other Float String
case VR.OW: // Other Word String
attribute = new PixelDataAttribute(tagSequence, dvtkDataAttribute);
break;
// This case handles the sequence attributes.
case VR.SQ: // Sequence of Items
attribute = new SequenceAttribute(tagSequence, dvtkDataAttribute);
break;
// This case handles the unknown attributes.
case VR.UN: // Unknown
attribute = new UnknownAttribute(tagSequence, dvtkDataAttribute);
break;
default:
attribute = null;
break;
}
return attribute;
}
private static void SetSequenceAttribute(AttributeSet attributeSet, SetParameterGroup setParameterGroup)
{
foreach(Object parameter in setParameterGroup.values)
{
// Check if all parameters are of type sequence item.
if (!(parameter is SequenceItem))
{
DvtkHighLevelInterfaceException.Throw("Error while setting the Sequence attribute with tag " + setParameterGroup.tagAsString + ". Only sequence items are allowed as parameters.");
}
}
SequenceAttribute sequenceAttribute = new SequenceAttribute(setParameterGroup.tagAsUInt32);
foreach(SequenceItem sequenceItem in setParameterGroup.values)
{
sequenceAttribute.AddItem(sequenceItem);
}
attributeSet.Set(sequenceAttribute);
}