/**
* <code>getStartEndIntervals</code> use startVariable for every token + the endVariable for the
* last one if a slot is empty, and has no tokens, use the endVariable from the previous slot
*
* @param view - <code>VizView</code> -
* @param slot - <code>PwSlot</code> -
* @param previousToken - <code>PwToken</code> -
* @param isLastSlot - <code>boolean</code> -
* @return - <code>PwDomain[]</code> -
*/
public static PwDomain[] getStartEndIntervals(
VizView view,
PwSlot slot,
PwToken previousToken,
boolean isLastSlot,
boolean alwaysReturnEnd) {
PwDomain[] intervalArray = new PwDomain[2];
PwDomain startIntervalDomain = null;
PwDomain endIntervalDomain = null;
PwVariable intervalVariable = null, lastIntervalVariable = null;
PwToken baseToken = slot.getBaseToken();
PwDomain intervalDomain = null, lastIntervalDomain = null;
if (baseToken == null) { // empty slot
if ((previousToken == null)
|| // first slot
(isLastSlot == true)) { // last slot
intervalArray[0] = null;
intervalArray[1] = null;
return intervalArray;
} else {
// empty slot between filled slots
intervalVariable = previousToken.getEndVariable();
}
} else if (isLastSlot || alwaysReturnEnd) {
intervalVariable = baseToken.getStartVariable();
lastIntervalVariable = baseToken.getEndVariable();
} else {
intervalVariable = baseToken.getStartVariable();
}
if (intervalVariable == null) {
startIntervalDomain = intervalDomain;
} else {
startIntervalDomain = intervalVariable.getDomain();
}
// System.err.println( "startIntervalDomain " + startIntervalDomain.toString());
if ((lastIntervalVariable != null) || (lastIntervalDomain != null)) {
if (lastIntervalVariable == null) {
endIntervalDomain = lastIntervalDomain;
} else {
endIntervalDomain = lastIntervalVariable.getDomain();
}
// System.err.println( "endIntervalDomain " + endIntervalDomain.toString());
}
if (alwaysReturnEnd && (endIntervalDomain == null)) {
endIntervalDomain = startIntervalDomain;
}
intervalArray[0] = startIntervalDomain;
intervalArray[1] = endIntervalDomain;
return intervalArray;
} // end getStartEndIntervals
/**
* <code>addTokenNavNode</code>
*
* @param token - <code>PwToken</code> -
* @return - <code>TokenNavNode</code> -
*/
protected final TokenNavNode addTokenNavNode(final PwToken token) {
// TokenNetwork.TokenNode TemporalExtent.TemporalNode
// System.err.println( "addTokenNavNode id " + token.getId() + " " + token.getClass());
boolean isDraggable = true;
TokenNavNode tokenNavNode = (TokenNavNode) entityNavNodeMap.get(token.getId());
if (tokenNavNode == null) {
tokenNavNode =
new TokenNavNode(
token,
new Point(
ViewConstants.TIMELINE_VIEW_X_INIT * 2, ViewConstants.TIMELINE_VIEW_Y_INIT * 2),
NavNodeGenerics.getTokenColor(token, this),
isDraggable,
this);
entityNavNodeMap.put(token.getId(), tokenNavNode);
jGoDocument.addObjectAtTail(tokenNavNode);
}
return tokenNavNode;
} // end addTokenNavNode