/// <summary> Attempts to return the specified Item (from a select or 1select) text.
/// Will check for text in the following order:<br/>
/// Localized Text (long form) -> Localized Text (no special form) <br />
/// If no textID is available, method will return this item's labelInnerText.
/// </summary>
/// <param name="sel">the selection (item), if <code>null</code> will throw a IllegalArgumentException
/// </param>
/// <returns> Question Text. <code>null</code> if no text for this element exists (after all fallbacks).
/// </returns>
/// <throws> RunTimeException if this method is called on an element that is NOT a QuestionDef </throws>
/// <throws> IllegalArgumentException if Selection is <code>null</code> </throws>
public virtual System.String getSelectItemText(Selection sel)
{
//throw tantrum if this method is called when it shouldn't be or sel==null
if (!(FormElement is QuestionDef))
{
throw new System.SystemException("Can't retrieve question text for non-QuestionDef form elements!");
}
if (sel == null)
{
throw new System.ArgumentException("Cannot use null as an argument!");
}
//Just in case the selection hasn't had a chance to be initialized yet.
if (sel.index == -1)
{
sel.attachChoice(this.Question);
}
//check for the null id case and return labelInnerText if it is so.
System.String tid = sel.choice.TextID;
if (tid == null || (System.Object)tid == (System.Object) "")
{
return(substituteStringArgs(sel.choice.getLabelInnerText()));
}
//otherwise check for 'long' form of the textID, then for the default form and return
System.String returnText;
returnText = getIText(tid, "long");
if (returnText == null)
{
returnText = getIText(tid, null);
}
return(substituteStringArgs(returnText));
}
private void InitBlock()
{
Value = vs;
List< Selection > output = new List< Selection >();
//validate type
for (int i = 0; i < input.size(); i++)
{
Selection s = (Selection) input.elementAt(i);
output.addElement(s);
}
return output;
}
private static Selection getSelection(System.String choiceValue, QuestionDef q)
{
Selection s;
if (q == null || q.DynamicChoices != null)
{
s = new Selection(choiceValue);
}
else
{
SelectChoice choice = q.getChoiceForValue(choiceValue);
s = (choice != null?choice.selection():null);
}
return(s);
}
private static System.Collections.ArrayList getSelections(System.String text, QuestionDef q)
{
System.Collections.ArrayList v = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
System.Collections.ArrayList choices = DateUtils.split(text, XFormAnswerDataSerializer.DELIMITER, true);
for (int i = 0; i < choices.Count; i++)
{
Selection s = getSelection((System.String)choices[i], q);
if (s != null)
{
v.Add(s);
}
}
return(v);
}
/// <summary> extract the value out of a Selection according to the current CHOICE_MODE</summary>
/// <param name="s">
/// </param>
/// <returns> Integer or String
/// </returns>
private System.Object extractSelection(Selection s)
{
switch (CHOICE_MODE)
{
case CHOICE_VALUE:
return(s.Value);
case CHOICE_INDEX:
if (s.index == -1)
{
throw new System.SystemException("trying to serialize in choice-index mode but selections do not have indexes set!");
}
return((System.Int32)s.index);
default: throw new System.ArgumentException();
}
}
/// <param name="data">The AnswerDataObject to be serialized
/// </param>
/// <returns> A string containing the xforms compliant format
/// for a <select> tag, a string containing a list of answers
/// separated by space characters.
/// </returns>
public virtual System.Object serializeAnswerData(SelectMultiData data)
{
System.Collections.ArrayList selections = (System.Collections.ArrayList)data.Value;
System.Collections.IEnumerator en = selections.GetEnumerator();
StringBuilder selectString = new StringBuilder();
//UPGRADE_TODO: Method 'java.util.Enumeration.hasMoreElements' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationhasMoreElements'"
while (en.MoveNext())
{
//UPGRADE_TODO: Method 'java.util.Enumeration.nextElement' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationnextElement'"
Selection selection = (Selection)en.Current;
if (selectString.length() > 0)
{
selectString.append(DELIMITER);
}
selectString.append(selection.Value);
}
//As Crazy, and stupid, as it sounds, this is the XForms specification
//for storing multiple selections.
return(selectString.toString());
}
/// <summary> This method is generally used to retrieve special forms for a
/// (select or 1select) item, e.g. "audio", "video", etc.
///
/// </summary>
/// <param name="sel">- The Item whose text you're trying to retrieve.
/// </param>
/// <param name="form">- Special text form of Item you're trying to retrieve.
/// </param>
/// <returns> Special Form Text. <code>null</code> if no text for this element exists (with the specified special form).
/// </returns>
/// <throws> RunTimeException if this method is called on an element that is NOT a QuestionDef </throws>
/// <throws> IllegalArgumentException if <code>sel == null</code> </throws>
public virtual System.String getSpecialFormSelectItemText(Selection sel, System.String form)
{
if (sel == null)
{
throw new System.ArgumentException("Cannot use null as an argument for Selection!");
}
//Just in case the selection hasn't had a chance to be initialized yet.
if (sel.index == -1)
{
sel.attachChoice(this.Question);
}
System.String textID = sel.choice.TextID;
if (textID == null || textID.Equals(""))
{
return(null);
}
System.String returnText = getIText(textID, form);
return(substituteStringArgs(returnText));
}
//UPGRADE_TODO: Class 'java.io.DataInputStream' was converted to 'System.IO.BinaryReader' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioDataInputStream'"
public virtual void readExternal(System.IO.BinaryReader in_Renamed, PrototypeFactory pf)
{
s = (Selection)ExtUtil.read(in_Renamed, typeof(Selection), pf);
}
public SelectOneData(Selection s)
{
Value = s;
}
/// <summary> reduce a SelectOneData to an integer (index mode) or string (value mode)</summary>
/// <param name="data">
/// </param>
/// <returns> Integer or String
/// </returns>
private System.Object compactSelectOne(SelectOneData data)
{
Selection val = (Selection)data.Value;
return(extractSelection(val));
}
