/** Empties the destination and copies the section of the source into the destination. */
public void execute() {
Trace.log(2, "executing CopyCommand");
Part newPart = source.extract(startSlot, endSlot);
Part.PartIterator i = newPart.iterator();
dest.empty();
while (i.hasNext()) dest.addUnit(i.next());
}
/**
* Returns an exact copy of this Part
*
* @return Part copy
*/
public Part copy() {
Trace.log(3, "copying part of size " + size);
Part newPart = new Part(size);
/*
* PartIterator i = iterator(); while(i.hasNext())
* newPart.slots.set(i.nextIndex(), i.next().copy());
*/
for (int i = 0; i < size; i++) {
Unit unit = slots.get(i);
if (unit != null) {
unit = unit.copy();
}
newPart.slots.set(i, unit);
}
newPart.unitCount = unitCount;
newPart.title = title;
newPart.volume = volume;
newPart.instrument = instrument;
newPart.swing = swing;
newPart.setMetre(metre[0], metre[1]);
newPart.keySig = keySig;
return newPart;
}
/**
* Overwrites a section of the Part (starting at the specified index) with the slots contained in
* the given Part.
*
* @param part the Part to paste into this
* @param index the slot at which to start pasting over
*/
public void pasteSlots(Part part, int index) {
if (part == null) return;
Trace.log(2, "pasting part of length " + part.size() + " at index " + index);
for (int i = 0; i < part.size(); i++) {
if (slots.get(index + i) != null) unitCount--;
if (part.slots.get(i) != null) unitCount++;
slots.set(index + i, part.slots.get(i));
}
int prevIndex = this.getPrevIndex(index);
if (prevIndex == -1) prevIndex = 0;
int rv = getUnitRhythmValue(prevIndex);
Trace.log(3, "in pasteSlots, setting rhythmValue");
getUnit(prevIndex).setRhythmValue(rv);
}
/**
* Overwrites a section of the Part (starting at the specified index) with the Units contained in
* the given Part. WARNING: DOES NOT WORK IF GIVEN PART WILL EXTEND OVER END OF THIS PART. TODO:
* Fix this. //rk Maybe I fixed it
*
* @param part the Part to paste into this
* @param index the slot at which to start pasting over
*/
public void pasteOver(Part part, int index) {
// Trace.log(3, "pasteOver " + part + " onto " + index);
int limit = size();
int incoming = part.size();
if (index + incoming < limit) {
limit = index + incoming;
}
for (int i = 0, j = index; j < limit; i++, j++) {
Unit unit = part.getUnit(i);
if (unit != null) {
Unit newUnit = unit.copy();
setUnit(j, newUnit);
} else {
setUnit(j, null);
}
}
}
public Part fitPart(int freeSlots) {
if (freeSlots == 0) return null;
Part fitPart = this.copy();
while (fitPart.size() > freeSlots) {
Part scaledPart = new Part();
Part.PartIterator i = fitPart.iterator();
while (i.hasNext()) {
Unit unit = i.next();
if (unit.getRhythmValue() != 1) {
Trace.log(3, "in fitPart, setting rhythmValue");
unit.setRhythmValue(unit.getRhythmValue() / 2);
if (unit.getRhythmValue() <= MIN_RHYTHM_VALUE) return null;
}
scaledPart.addUnit(unit);
}
fitPart = scaledPart;
}
return fitPart;
}
/**
* A rewritten version of pastOver
*
* @param part the Part to paste into this
* @param index the slot at which to start pasting over
*/
public void newPasteOver(Part part, int index) {
Trace.log(3, "pasteOver " + part + " onto " + index + " " + this.hashCode());
int limit = size();
int incoming = part.size();
// if( index + incoming < limit )
// {
// limit = index + incoming;
// }
int i = 0;
int j = index;
for (; i < incoming && j < limit; i++, j++) {
Unit unit = part.getUnit(i);
if (unit == null) {
newSetUnit(j, null);
} else {
newSetUnit(j, unit.copy());
}
}
}
/**
* Modified from pasteOver for time warping Overwrites a section of the Part (starting at the
* specified index) with the Units contained in the given Part.
*
* @param part the Part to paste into this
* @param index the slot at which to start pasting over
*/
public void altPasteOver(Part part, int index) {
int limit = size();
int incoming = part.size();
if (index + incoming < limit) {
limit = index + incoming;
}
// How to prevent long duration last note??
// int lastSlot = index + incoming - 1;
// setUnit(lastSlot, new Rest());
for (int i = 0, j = index; j < limit; i++, j++) {
Unit unit = part.getUnit(i);
if (unit != null) {
Unit newUnit = unit.copy();
int rhythmValue = newUnit.getRhythmValue();
setUnit(j, newUnit);
} else {
setUnit(j, null);
}
}
}