public String getLocalizedAnswer(Datum datum) {
int num_choices = numAnswerChoices();
String answer = "";
if (num_choices > 0) {
Vector choices = getAnswerChoices();
if (datum.isSpecial()) {
answer = datum.toString();
} else {
String s = datum.stringVal();
for (int j = 0; j < choices.size(); ++j) {
AnswerChoice ac = (AnswerChoice) choices.elementAt(j);
if (ac.getValue().equals(s)) {
answer = ac.getMessage();
}
}
}
} else {
answer = triceps.toString(this, true);
}
return answer;
}
/**
* Create HTML input field for this node, given its currently selected value and possible error
* messages
*
* @param datum the value
* @param errMsg optional error messages
* @param autogen whether to auto-number the options
* @return HTML fragment
*/
String prepareChoicesAsHTML(Datum datum, String errMsg, boolean autogen) {
/* errMsg is a hack - only applies to RADIO_HORIZONTAL */
StringBuffer sb = new StringBuffer();
String defaultValue = "";
AnswerChoice ac;
Enumeration ans = null;
Vector v = null;
switch (answerType) {
case RADIO: // will store integers
ans = getAnswerChoices().elements();
while (ans.hasMoreElements()) { // for however many radio buttons there are
ac = (AnswerChoice) ans.nextElement();
ac.parse(triceps);
sb.append(
"<input type='radio' name='"
+ getLocalName()
+ "' id ='"
+ getLocalName()
+ "' value='"
+ ac.getValue()
+ "'"
+ (isSelected(datum, ac) ? " checked " : " ")
+ ">"
+ ac.getMessage()
+ "<br>");
}
break;
case RADIO_HORIZONTAL:
{ // will store integers
/* table underneath questions */
v = getAnswerChoices();
ans = v.elements();
int count = v.size();
if (count > 0) {
Double pct = new Double(100. / (double) count);
sb.append("<table cellpadding='0' cellspacing='1' border='1' width='100%'>");
sb.append("<tr>");
while (ans.hasMoreElements()) { // for however many radio buttons there are
ac = (AnswerChoice) ans.nextElement();
ac.parse(triceps);
sb.append("<td valign='top' width='" + pct.toString() + "%'>");
sb.append(
"<input type='radio' name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ ac.getValue()
+ "'"
+ (isSelected(datum, ac) ? " checked " : " ")
+ ">"
+ ac.getMessage());
sb.append("</td>");
}
sb.append("</tr>");
sb.append("</table>");
}
}
break;
case RADIO_HORIZONTAL2:
{
/* table underneath questions */
v = getAnswerChoices();
ans = v.elements();
int count = v.size();
int max_width =
Integer.parseInt(
triceps.getSchedule().getReserved(Schedule.ANSWER_OPTION_FIELD_WIDTH));
if (count > 0) {
Double pct = new Double((double) max_width / (double) count);
sb.append(
"<table cellpadding='0' cellspacing='1' border='1' width='100%'>"); // oddly, 100%
// means all of
// the enclosing
// <td>, but for
// embedded
// <td>s, need
// actual
// percent of
// top-level
// table!
sb.append("<tr>");
while (ans.hasMoreElements()) { // for however many radio buttons there are
ac = (AnswerChoice) ans.nextElement();
ac.parse(triceps);
sb.append("<td valign='top' width='" + pct.toString() + "%'>");
sb.append(
"<input type='radio' name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ ac.getValue()
+ "'"
+ (isSelected(datum, ac) ? " checked " : " ")
+ ">"
+ ac.getMessage());
sb.append("</td>");
}
sb.append("</tr>");
sb.append("</table>");
}
}
break;
case CHECK:
ans = getAnswerChoices().elements();
while (ans.hasMoreElements()) { // for however many radio buttons there are
ac = (AnswerChoice) ans.nextElement();
ac.parse(triceps);
sb.append(
"<input type='checkbox' name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ ac.getValue()
+ "'"
+ (isSelected(datum, ac) ? " checked " : " ")
+ ">"
+ ac.getMessage()
+ "<br>");
}
break;
case COMBO: // stores integers as value
case COMBO2:
case LIST2:
case LIST:
{
StringBuffer choices = new StringBuffer();
ans = getAnswerChoices().elements();
int optionNum = 0;
int totalLines = 0;
boolean nothingSelected = true;
while (ans.hasMoreElements()) { // for however many radio buttons there are
ac = (AnswerChoice) ans.nextElement();
ac.parse(triceps);
++optionNum;
String messageStr = ac.getMessage();
String prefix = "<option value='" + ac.getValue() + "'";
boolean selected = isSelected(datum, ac);
if (selected) {
nothingSelected = false;
}
int max_text_len =
Integer.parseInt(
triceps.getSchedule().getReserved(Schedule.MAX_TEXT_LEN_FOR_COMBO));
v = subdivideMessage(messageStr, max_text_len);
for (int i = 0; i < v.size(); ++i) {
choices.append(prefix);
if (i == 0 && selected) {
choices.append(" selected");
}
choices.append(">");
if (i == 0) { // show selection number
if (answerType == COMBO || answerType == LIST) {
choices.append((autogen) ? String.valueOf(optionNum) : ac.getValue());
choices.append(") ");
}
} else { // indent to indicate that same as previous
choices.append(" ");
}
choices.append((String) v.elementAt(i));
choices.append("</option>");
}
totalLines += v.size();
}
sb.append(
"<select name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' "
+ ((answerType == LIST || answerType == LIST2)
? (" size = '" + Math.min(MAX_ITEMS_IN_LIST, totalLines + 1) + "' ")
: " ")
+ ">");
sb.append(
"<option value=''"
+ ((nothingSelected) ? " selected" : "")
+ ">"
+ // so that focus is properly shifted on List box
triceps.get("select_one_of_the_following")
+ "</option>"); // first choice is empty
sb.append(choices);
sb.append("</select>");
}
break;
case TEXT: // stores Text type
if (datum != null && datum.exists()) {
defaultValue = datum.stringVal();
}
sb.append(
"<input type='text' "
+ " name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ (new XMLAttrEncoder()).encode(defaultValue)
+ "'>");
break;
case MEMO:
if (datum != null && datum.exists()) {
defaultValue = datum.stringVal();
}
sb.append(
"<textarea rows='5'"
+ " name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "'>"
+ (new XMLAttrEncoder()).encode(defaultValue)
+ "</textarea>");
break;
case PASSWORD: // stores Text type
if (datum != null && datum.exists()) {
defaultValue = datum.stringVal();
}
sb.append(
"<input type='password'"
+ " name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ (new XMLAttrEncoder()).encode(defaultValue)
+ "'>");
break;
case DOUBLE: // stores Double type
if (datum != null && datum.exists()) {
defaultValue = datum.stringVal();
}
sb.append(
"<input type='text'"
+ " name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ defaultValue
+ "'>");
break;
default:
/*
case DATE:
case TIME:
case YEAR:
case MONTH:
case DAY:
case WEEKDAY:
case HOUR:
case MINUTE:
case SECOND:
case MONTH_NUM:
case DAY_NUM:
*/
if (datum != null && datum.exists()) {
defaultValue = datum.stringVal();
}
sb.append(
"<input type='text'"
+ " name='"
+ getLocalName()
+ "' id='"
+ getLocalName()
+ "' value='"
+ defaultValue
+ "'>");
break;
case NOTHING:
sb.append(" ");
break;
}
return sb.toString();
}
/**
* Helper function
*
* @return true if a specified answer choice within a enumerated list is selected.
*/
boolean isSelected(Datum datum, AnswerChoice ac) {
return (new DatumMath())
.eq(datum, new Datum(triceps, ac.getValue(), DATA_TYPES[answerType]))
.booleanVal();
}