public void rebuild() {
if (!isNull()) {
myParagraphCursor.clear();
myParagraphCursor.fill();
moveTo(myWordIndex, myCharIndex);
}
}
public boolean previousParagraph() {
if (!isNull()) {
if (!myParagraphCursor.isFirst()) {
myParagraphCursor = myParagraphCursor.previous();
moveToParagraphStart();
return true;
}
}
return false;
}
public boolean nextParagraph() {
if (!isNull()) {
if (!myParagraphCursor.isLast()) {
myParagraphCursor = myParagraphCursor.next();
moveToParagraphStart();
return true;
}
}
return false;
}
@Override
public ZLTextPosition getEndPosition() {
if (isEmpty()) {
return null;
}
final ZLTextParagraphCursor cursor =
ZLTextParagraphCursor.cursor(myView.getModel(), myRightMostRegionSoul.ParagraphIndex);
final ZLTextElement element = cursor.getElement(myRightMostRegionSoul.EndElementIndex);
return new ZLTextFixedPosition(
myRightMostRegionSoul.ParagraphIndex,
myRightMostRegionSoul.EndElementIndex,
element instanceof ZLTextWord ? ((ZLTextWord) element).Length : 0);
}
public ZLTextMark getPosition() {
if (myParagraphCursor == null) {
return new ZLTextMark();
}
final ZLTextParagraphCursor paragraph = myParagraphCursor;
int paragraphLength = paragraph.getParagraphLength();
int wordIndex = myWordIndex;
while ((wordIndex != paragraphLength)
&& (!(paragraph.getElement(wordIndex) instanceof ZLTextWord))) {
wordIndex++;
}
if (wordIndex != paragraphLength) {
return new ZLTextMark(
paragraph.Index, ((ZLTextWord) paragraph.getElement(wordIndex)).getParagraphOffset(), 0);
}
return new ZLTextMark(paragraph.Index + 1, 0, 0);
}
public void setCharIndex(int charIndex) {
charIndex = Math.max(0, charIndex);
myCharIndex = 0;
if (charIndex > 0) {
ZLTextElement element = myParagraphCursor.getElement(myWordIndex);
if (element instanceof ZLTextWord) {
if (charIndex <= ((ZLTextWord) element).Length) {
myCharIndex = charIndex;
}
}
}
}
public void traverse(ZLTextPosition from, ZLTextPosition to) {
final int fromParagraph = from.getParagraphIndex();
final int toParagraph = to.getParagraphIndex();
ZLTextParagraphCursor cursor = ZLTextParagraphCursor.cursor(myView.getModel(), fromParagraph);
for (int i = fromParagraph; i <= toParagraph; ++i) {
final int fromElement = i == fromParagraph ? from.getElementIndex() : 0;
final int toElement =
i == toParagraph ? to.getElementIndex() : cursor.getParagraphLength() - 1;
for (int j = fromElement; j <= toElement; j++) {
final ZLTextElement element = cursor.getElement(j);
if (element == ZLTextElement.HSpace) {
processSpace();
} else if (element instanceof ZLTextWord) {
processWord((ZLTextWord) element);
}
}
if (i < toParagraph) {
processEndOfParagraph();
cursor = cursor.next();
}
}
}
public void moveTo(int wordIndex, int charIndex) {
if (!isNull()) {
if (wordIndex == 0 && charIndex == 0) {
myWordIndex = 0;
myCharIndex = 0;
} else {
wordIndex = Math.max(0, wordIndex);
int size = myParagraphCursor.getParagraphLength();
if (wordIndex > size) {
myWordIndex = size;
myCharIndex = 0;
} else {
myWordIndex = wordIndex;
setCharIndex(charIndex);
}
}
}
}
public ZLTextElement getElement() {
return myParagraphCursor.getElement(myWordIndex);
}
public boolean isEndOfParagraph() {
return myWordIndex == myParagraphCursor.getParagraphLength();
}
public void moveToParagraph(int paragraphIndex) {
if (!isNull() && (paragraphIndex != myParagraphCursor.Index)) {
myParagraphCursor = ZLTextParagraphCursor.cursor(myParagraphCursor.myModel, paragraphIndex);
moveToParagraphStart();
}
}
public void moveToParagraphEnd() {
if (!isNull()) {
myWordIndex = myParagraphCursor.getParagraphLength();
myCharIndex = 0;
}
}
