/**
* 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 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;
}
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();
}
private void saveSectionInfo(BufferedWriter out, SectionRecord record) throws IOException {
String styleName = record.getUsePreviousStyle() ? "" : " " + record.getStyleName();
if (record.getIsPhrase()) {
out.newLine();
out.write("(phrase (style" + styleName + ")) ");
out.newLine();
} else {
out.newLine();
out.newLine();
out.write("(section (style" + styleName + ")) ");
out.newLine();
out.newLine();
}
}
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;
}
/**
* 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 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());
}