/**
* Get section by slot index
*
* @param slot
* @return
*/
public SectionRecord getSectionRecordBySlot(int slot) {
ListIterator<SectionRecord> k = records.listIterator();
SectionRecord s = k.next();
SectionRecord previous = s;
while (s.getIndex() <= slot && k.hasNext()) {
previous = s;
s = k.next();
}
s = s.getIndex() <= slot ? s : previous;
// System.out.println("slot = " + slot + " using s = " + s);
return s;
}
/**
* m = nq + r (m-r) sections would get q bars r sections would get q+1 bars
*
* <p>m = the original number of bars n = split q = m/n r = m%n
*/
public boolean nWaySplit(int index, int split) {
int m;
if (index + 1 < size()) m = getSectionMeasure(index + 1) - getSectionMeasure(index);
else m = measures() - getSectionMeasure(index) + 1;
// System.out.println("m = " + m + ", split = " + split);
if (m < split) {
return false;
}
int q = m / split;
int r = m % split;
SectionRecord delete = getSectionRecordByIndex(index);
String styleName = delete.getStyleName();
int newIndex = delete.getIndex(); // slots
boolean isPhrase = delete.getIsPhrase();
records.remove(index);
for (int j = 0; j < split; j++) {
if (j != 0) styleName = Style.USE_PREVIOUS_STYLE;
records.add(index + j, new SectionRecord(styleName, newIndex, isPhrase));
newIndex = measureToSlotIndex(slotIndexToMeasure(newIndex) + q);
}
return true;
}
public void reloadStyles() {
ListIterator<SectionRecord> k = records.listIterator();
while (k.hasNext()) {
SectionRecord record = k.next();
k.remove();
k.add(new SectionRecord(record.getStyleName(), record.getIndex(), record.getIsPhrase()));
}
}
public void setSize(int size) {
Iterator<SectionRecord> k = records.iterator();
while (k.hasNext()) {
SectionRecord record = k.next();
int n = record.getIndex();
if (n >= size) {
k.remove();
}
}
}
public void newSection(int index) {
int measureLength = chords.getMeasureLength();
SectionRecord record = records.get(index);
int startIndex = record.getIndex();
int endIndex = chords.size();
if (index + 1 < size()) {
SectionRecord nextRecord = records.get(index + 1);
endIndex = nextRecord.getIndex();
}
int measure = (endIndex - startIndex) / measureLength;
if (measure % 2 == 0) measure /= 2;
else measure = measure / 2 + 1;
addSection(
Style.USE_PREVIOUS_STYLE, startIndex + measure * measureLength, record.getIsPhrase());
}
public int sectionAtSlot(int n) {
Iterator<SectionRecord> k = records.listIterator();
while (k.hasNext()) {
SectionRecord record = k.next();
if (record.getIndex() == n) {
if (record.getIsPhrase()) {
return Block.PHRASE_END;
} else {
return Block.SECTION_END;
}
}
}
return Block.NO_END;
}
@Override
public String toString() {
StringBuilder buffer = new StringBuilder();
for (SectionRecord record : records) {
buffer.append("(");
buffer.append(record.getStyleName());
buffer.append(" ");
buffer.append(record.getIndex());
buffer.append(" ");
buffer.append(record.getIsPhrase());
buffer.append(") ");
buffer.append("\n");
}
return buffer.toString();
}
/**
* getStyleNameAtSlot returns the name of the Style operative at a given slot in the ChordPart
*
* @param slot
* @return
*/
public String getStyleNameAtSlot(int slot) {
String previousStyleName = "no-style";
String styleName = previousStyleName;
for (SectionRecord k : records) {
styleName = k.getStyleName();
if (styleName.equals("*")) {
styleName = previousStyleName;
}
if (k.getIndex() >= slot) {
return styleName;
}
previousStyleName = styleName;
}
return styleName;
}
public void addSection(String styleName, int n, boolean isPhrase) {
ListIterator<SectionRecord> k = records.listIterator();
while (k.hasNext()) {
SectionRecord record = k.next();
int index = record.getIndex();
if (index == n) {
k.remove();
break;
} else if (index > n) {
k.previous();
break;
}
}
k.add(new SectionRecord(styleName, n, isPhrase));
}
public ArrayList<Block> toBlockList() {
ArrayList<Block> blocks = new ArrayList<Block>();
int chordsSize = chords.size();
int endIndex;
// m is a second iterator intended to stay one step ahead of k
// so as to get the start of the next section
ListIterator<SectionRecord> k = records.listIterator();
ListIterator<SectionRecord> m = records.listIterator();
if (m.hasNext()) {
m.next();
}
while (k.hasNext()) // && (endLimitIndex == ENDSCORE || endIndex <= endLimitIndex) )
{
SectionRecord record = k.next();
String styleName = record.getStyleName();
int startIndex = record.getIndex();
endIndex = m.hasNext() ? m.next().getIndex() : chordsSize;
ChordBlock block = null;
for (int slot = startIndex; slot < endIndex; slot++) {
Chord chord = chords.getChord(slot);
if (chord != null) {
block = new ChordBlock(chord.getName(), chord.getRhythmValue());
block.setStyleName(styleName);
blocks.add(block);
}
}
// For last block in section
if (block != null) {
block.setSectionEnd(record.getIsPhrase() ? Block.PHRASE_END : Block.SECTION_END);
}
}
return blocks;
}
public Integer getPrevSectionIndex(int n) {
ListIterator<SectionRecord> k = records.listIterator();
while (k.hasNext()) {
SectionRecord record = k.next();
int index = record.getIndex();
if (index > n) {
k.previous();
index = k.previous().getIndex();
if (index == n && k.hasPrevious()) {
return k.previousIndex();
} else if (index == n) {
return -1;
}
return index;
}
}
return -1;
}
public SectionInfo extract(int first, int last, ChordPart chords) {
SectionInfo si = new SectionInfo(chords);
si.records = new ArrayList<SectionRecord>();
Iterator<SectionRecord> k = records.iterator();
while (k.hasNext()) {
SectionRecord record = k.next();
String styleName = record.getStyleName();
int index = record.getIndex() - first;
if (index < 0) {
si.records.add(new SectionRecord(styleName, 0, record.getIsPhrase()));
} else if (index <= last - first) {
si.records.add(new SectionRecord(styleName, index, record.getIsPhrase()));
}
}
return si;
}
/**
* Returns ArrayList of indices of section starts that are not phrases.
*
* @return
*/
public ArrayList<Integer> getSectionStartIndices() {
ArrayList<Integer> result = new ArrayList<Integer>();
boolean isStart = true; // The first Section Record must be a Section Start
for (SectionRecord record : records) {
if (isStart == true) {
result.add(record.getIndex());
}
if (!record.getIsPhrase()) {
// Any Section Record that follows a Section Record that is
// not a phrase must be a Section Start
isStart = true;
} else {
// Otherwise, if a Section Record is a Phrase, i.e.,
// ends with a breath mark as opposed to a double bar line,
// the next Section Record cannot be a Section Start
isStart = false;
}
}
return result;
}
public long render(
MidiSequence seq,
long time,
Track track,
int transposition,
boolean useDrums,
int endLimitIndex,
boolean constantBass)
throws InvalidMidiDataException {
// to trace sequencing info:
// System.out.println("Sequencing SectionInfo time = "
// + time + " endLimitIndex = " + endLimitIndex + " useDrums = " + useDrums);
// Iterate over list of sections, each a Style
int chordsSize = chords.size();
int endIndex;
// m is a second iterator intended to stay one step ahead of k
// so as to get the start of the next section
Style mostRecentStyle = new Style();
ListIterator<SectionRecord> k = records.listIterator();
ListIterator<SectionRecord> m = records.listIterator();
if (m.hasNext()) {
m.next();
}
while (k.hasNext()) // && (endLimitIndex == ENDSCORE || endIndex <= endLimitIndex) )
{
SectionRecord record = k.next();
Style style;
if (record.getUsePreviousStyle()) {
style = mostRecentStyle;
// System.out.println("using previous style " + style);
} else {
style = record.getStyle();
mostRecentStyle = style;
}
int startIndex = record.getIndex();
endIndex = m.hasNext() ? m.next().getIndex() : chordsSize;
if (style != null) {
time =
style.render(
seq,
time,
chords,
startIndex,
endIndex,
transposition,
useDrums,
endLimitIndex,
constantBass);
}
}
return time;
}
/**
* Writes the Part to the passed BufferedWriter in Leadsheet notation.
*
* @param out the BufferedWriter to write the Part onto
*/
public void saveLeadsheet(BufferedWriter out, String type) throws IOException {
out.write("(part");
out.newLine();
out.write(" (type " + type + ")");
out.newLine();
out.write(" (title " + title + ")");
out.newLine();
out.write(" (composer " + composer + ")");
out.newLine();
out.write(" (instrument " + instrument + ")");
out.newLine();
out.write(" (volume " + volume + ")");
out.newLine();
out.write(" (key " + keySig + ")");
out.newLine();
if (this instanceof MelodyPart) {
out.write(" (stave " + staveType.toString().toLowerCase() + ")");
out.newLine();
}
// For now, saving roadmaps is disabled
// else
// {
// out.write(Formatting.prettyFormat(4, ((ChordPart)this).getRoadMap() == null ? "" :
// ((ChordPart)this).getRoadmapPoly()));
// out.newLine();
// }
out.write(")");
out.newLine();
Note.initializeSaveLeadsheet();
Part.PartIterator i = iterator();
// Should be refactored into separate methods for each derived class
if (this instanceof MelodyPart) {
while (i.hasNext()) {
i.next().saveLeadsheet(out, metre);
}
} else {
SectionInfo sectionInfo = ((ChordPart) this).getSectionInfo();
Iterator<SectionRecord> sec = sectionInfo.iterator();
SectionRecord record = sec.next();
boolean lastSection = !sec.hasNext();
Chord residualChord = null;
int slot = 0;
int slotLimit = size();
int nextSectionStart;
// iSystem.out.println("slotLimit = " + slotLimit);
Chord chord = null;
int sectionsToGo = sectionInfo.size();
do // do-while
{
// System.out.println("\nrecord = " + record);
// Save the section record
saveSectionInfo(out, record);
// Get the next section record, if any.
if (sec.hasNext()) {
record = sec.next();
nextSectionStart = record.getIndex();
} else {
nextSectionStart = slotLimit;
}
// System.out.println("next section start = " + nextSectionStart);
// Pack Chords into section
while ((chord != null || i.hasNext()) && slot < nextSectionStart) {
if (chord == null) {
Chord nextChord = (Chord) i.next();
if (nextChord != null) {
chord = nextChord.copy();
}
}
// Otherwise use the residue of previous chord
assert chord != null;
// Where the next slot would normally be
int nextSlot = slot + chord.getRhythmValue();
if (nextSlot <= nextSectionStart) {
// This chord fits in the current section.
chord.saveLeadsheet(out, metre);
chord = null;
slot = nextSlot;
} else {
// This chord does not fit in the current section.
// Calculate how much of this section can be used.
int available = nextSectionStart - slot;
chord.setRhythmValue(available);
chord.saveLeadsheet(out, metre);
// Determine what is left over.
int residual = nextSlot - nextSectionStart;
chord.setRhythmValue(residual);
// System.out.println("overflow at slot " + slot + ", next section start = " +
// nextSectionStart + " " + chord + ", residual = " + residual);
// This should force the end of this while, among other things
slot = nextSectionStart;
}
}
sectionsToGo--;
} while (sectionsToGo > 0); // end of do-while
}
}