public String toString() {
return "SCatSequence(var=\""
+ ((v == null) ? "<null>" : v.getName())
+ "\",cats="
+ cats
+ ((seqToCat == null) ? ",straight" : ",mapped")
+ ")";
}
public void reset() {
if (seqToCat != null || catToSeq != null) {
seqToCat = catToSeq = null; // easy - we drop everything ;)
if (notifyVar) v.NotifyAll(new NotifyMsg(this, Common.NM_VarSeqChange));
else NotifyAll(new NotifyMsg(this, Common.NM_CatSeqChange));
}
return;
}
public boolean moveCatAtPosTo(int p1, int p2) {
if (p1 == p2) return true;
if (p1 < 0 || p2 < 0 || p1 >= cats || p2 >= cats)
return Global.runtimeWarning(
"SCatSequence on "
+ ((v == null) ? "<null>" : v.getName())
+ ": moveCatAtPosTo("
+ p1
+ ","
+ p2
+ ") out of range ("
+ cats
+ " cats)")
!= -1;
if (seqToCat == null) createFields();
int c1 = seqToCat[p1];
if (p1 < p2) { // move to back
int r = p1;
while (r < p2) {
int c = seqToCat[r + 1];
seqToCat[r] = c;
catToSeq[c] = r;
r++;
}
seqToCat[r] = c1;
catToSeq[c1] = r;
} else { // move to front
int r = p1;
while (r > p2) {
int c = seqToCat[r - 1];
seqToCat[r] = c;
catToSeq[c] = r;
r--;
}
seqToCat[r] = c1;
catToSeq[c1] = r;
}
if (notifyVar) v.NotifyAll(new NotifyMsg(this, Common.NM_VarSeqChange));
else NotifyAll(new NotifyMsg(this, Common.NM_CatSeqChange));
return true;
}
/** returns the position of the category id */
public int posOfCat(int id) {
if (id < 0 || id >= cats)
return Global.runtimeWarning(
"SCatSequence on "
+ ((v == null) ? "<null>" : v.getName())
+ ": posOfCat("
+ id
+ ") out of range ("
+ cats
+ " cats)");
return (catToSeq == null) ? id : catToSeq[id];
}
/** returns the category ID at position pos */
public int catAtPos(int id) {
if (id < 0 || id >= cats)
return Global.runtimeWarning(
"SCatSequence on "
+ ((v == null) ? "<null>" : v.getName())
+ ": catAtPos("
+ id
+ ") out of range ("
+ cats
+ " cats)");
return (seqToCat == null) ? id : seqToCat[id];
}
void updateCats() {
if (v == null) return;
int cc = v.getNumCats();
if (cc == cats) return;
if (cc == 0 || seqToCat == null || catToSeq == null) {
seqToCat = catToSeq = null;
cats = cc;
return;
}
/* what do we do if a sequence already existed and the number of categories changed?
currenty we simply discard any order - but that could be changed ... */
seqToCat = catToSeq = null;
cats = cc;
}
public boolean swapCats(int c1, int c2) {
if (c1 < 0 || c2 < 0 || c1 >= cats || c2 >= cats)
return Global.runtimeWarning(
"SCatSequence on "
+ ((v == null) ? "<null>" : v.getName())
+ ": swapCats("
+ c1
+ ","
+ c2
+ ") out of range ("
+ cats
+ " cats)")
!= -1;
if (seqToCat == null) createFields();
int p1 = catToSeq[c1];
int p2 = catToSeq[c2];
seqToCat[p1] = c2;
seqToCat[p2] = c1;
catToSeq[c1] = p2;
catToSeq[c2] = p1;
if (notifyVar) v.NotifyAll(new NotifyMsg(this, Common.NM_VarSeqChange));
else NotifyAll(new NotifyMsg(this, Common.NM_CatSeqChange));
return true;
}
public SCatSequence(SVarInterface var, Object theOwner, boolean notifyVariable) {
v = var;
owner = theOwner;
cats = (v != null) ? v.getNumCats() : 0;
notifyVar = notifyVariable;
}