/**
* Updates the interal bitset from <code>iterator</code>. This will set <code>validMask</code> to
* true if <code>iterator</code> is non-null.
*/
private void updateMask(AttributedCharacterIterator iterator) {
if (iterator != null) {
validMask = true;
this.iterator = iterator;
// Update the literal mask
if (literalMask == null) {
literalMask = new BitSet();
} else {
for (int counter = literalMask.length() - 1; counter >= 0; counter--) {
literalMask.clear(counter);
}
}
iterator.first();
while (iterator.current() != CharacterIterator.DONE) {
Map attributes = iterator.getAttributes();
boolean set = isLiteral(attributes);
int start = iterator.getIndex();
int end = iterator.getRunLimit();
while (start < end) {
if (set) {
literalMask.set(start);
} else {
literalMask.clear(start);
}
start++;
}
iterator.setIndex(start);
}
}
}
/** @see Graphics2D#drawString(AttributedCharacterIterator, float, float) */
public void drawString(AttributedCharacterIterator iter, float x, float y) {
/*
StringBuffer sb = new StringBuffer();
for(char c = iter.first(); c != AttributedCharacterIterator.DONE; c = iter.next()) {
sb.append(c);
}
drawString(sb.toString(),x,y);
*/
StringBuffer stringbuffer = new StringBuffer(iter.getEndIndex());
for (char c = iter.first(); c != '\uFFFF'; c = iter.next()) {
if (iter.getIndex() == iter.getRunStart()) {
if (stringbuffer.length() > 0) {
drawString(stringbuffer.toString(), x, y);
FontMetrics fontmetrics = getFontMetrics();
x = (float) (x + fontmetrics.getStringBounds(stringbuffer.toString(), this).getWidth());
stringbuffer.delete(0, stringbuffer.length());
}
doAttributes(iter);
}
stringbuffer.append(c);
}
drawString(stringbuffer.toString(), x, y);
underline = false;
}
private List<Integer> getNewlineLocations(AttributedCharacterIterator styledTextIterator) {
List<Integer> newlineLocations = new ArrayList<Integer>();
for (char c = styledTextIterator.first();
c != AttributedCharacterIterator.DONE;
c = styledTextIterator.next()) {
if (c == '\n') newlineLocations.add(styledTextIterator.getIndex());
}
return newlineLocations;
}
/**
* Returns the start of the first run that contains the attribute <code>id</code>. This will
* return <code>-1</code> if the attribute can not be found.
*/
int getAttributeStart(AttributedCharacterIterator.Attribute id) {
if (isValidMask()) {
AttributedCharacterIterator iterator = getIterator();
iterator.first();
while (iterator.current() != CharacterIterator.DONE) {
if (iterator.getAttribute(id) != null) {
return iterator.getIndex();
}
iterator.next();
}
}
return -1;
}
protected String style(final AttributedCharacterIterator aci) {
final StringBuilder builder = new StringBuilder();
Map<AttributedCharacterIterator.Attribute, Object> map = null;
char chr = aci.current();
while (aci.getIndex() < aci.getEndIndex()) {
if (!aci.getAttributes().equals(map)) {
style(aci.getAttributes(), builder);
map = aci.getAttributes();
}
builder.append(StringEscapeUtils.escapeHtml(String.valueOf(chr)));
chr = aci.next();
}
return builder.toString();
}
protected void exportStyledText(JRStyledText styledText, Locale locale, boolean startedHyperlink)
throws IOException {
String text = styledText.getText();
int runLimit = 0;
AttributedCharacterIterator iterator = styledText.getAttributedString().getIterator();
while (runLimit < styledText.length()
&& (runLimit = iterator.getRunLimit()) <= styledText.length()) {
exportStyledTextRun(
iterator.getAttributes(),
text.substring(iterator.getIndex(), runLimit),
locale,
startedHyperlink);
iterator.setIndex(runLimit);
}
}
/**
* finds attributes with regards to char index in this AttributedCharacterIterator, and puts them
* in a vector
*
* @param iterator
* @return a vector, each entry in this vector are of type FieldContainer , which stores start and
* end indexes and an attribute this range has
*/
private static List<FieldContainer> findFields(AttributedCharacterIterator iterator) {
List<FieldContainer> result = new ArrayList<FieldContainer>();
while (iterator.getIndex() != iterator.getEndIndex()) {
int start = iterator.getRunStart();
int end = iterator.getRunLimit();
Iterator it = iterator.getAttributes().keySet().iterator();
while (it.hasNext()) {
AttributedCharacterIterator.Attribute attribute =
(AttributedCharacterIterator.Attribute) it.next();
Object value = iterator.getAttribute(attribute);
result.add(new FieldContainer(start, end, attribute, value));
// System.out.println(start + " " + end + ": " + attribute + ",
// " + value );
// System.out.println("v.add(new FieldContainer(" + start +"," +
// end +"," + attribute+ "," + value+ "));");
}
iterator.setIndex(end);
}
return result;
}
private TextLayout createAndCacheTextLayout(
int fragmentIndex, Font basefont, FontRenderContext fontRenderContext) {
String text = myFragments.get(fragmentIndex);
AttributedString string = new AttributedString(text);
int start = 0;
int end = text.length();
AttributedCharacterIterator it =
string.getIterator(new AttributedCharacterIterator.Attribute[0], start, end);
Font currentFont = basefont;
int currentIndex = start;
for (char c = it.first(); c != CharacterIterator.DONE; c = it.next()) {
Font font = basefont;
if (!font.canDisplay(c)) {
for (SuitableFontProvider provider : SuitableFontProvider.EP_NAME.getExtensions()) {
font =
provider.getFontAbleToDisplay(
c, basefont.getSize(), basefont.getStyle(), basefont.getFamily());
if (font != null) break;
}
}
int i = it.getIndex();
if (!Comparing.equal(currentFont, font)) {
if (i > currentIndex) {
string.addAttribute(TextAttribute.FONT, currentFont, currentIndex, i);
}
currentFont = font;
currentIndex = i;
}
}
if (currentIndex < end) {
string.addAttribute(TextAttribute.FONT, currentFont, currentIndex, end);
}
TextLayout layout = new TextLayout(string.getIterator(), fontRenderContext);
if (fragmentIndex >= myLayouts.size()) {
myLayouts.addAll(Collections.nCopies(fragmentIndex - myLayouts.size() + 1, null));
}
myLayouts.set(fragmentIndex, layout);
myLayoutFont = getBaseFont();
return layout;
}
/**
* Returns the number of occurences of <code>f</code> before the location <code>start</code> in
* the current <code>AttributedCharacterIterator</code>.
*/
private int getFieldTypeCountTo(Object f, int start) {
AttributedCharacterIterator iterator = getIterator();
int count = 0;
if (iterator != null && (f instanceof AttributedCharacterIterator.Attribute)) {
AttributedCharacterIterator.Attribute field = (AttributedCharacterIterator.Attribute) f;
int index = 0;
iterator.first();
while (iterator.getIndex() < start) {
while (iterator.getAttribute(field) == null && iterator.next() != CharacterIterator.DONE) ;
if (iterator.current() != CharacterIterator.DONE) {
iterator.setIndex(iterator.getRunLimit(field));
iterator.next();
count++;
} else {
break;
}
}
}
return count;
}
/** Selects the fields identified by <code>attributes</code>. */
void selectField(Object f, int count) {
AttributedCharacterIterator iterator = getIterator();
if (iterator != null && (f instanceof AttributedCharacterIterator.Attribute)) {
AttributedCharacterIterator.Attribute field = (AttributedCharacterIterator.Attribute) f;
iterator.first();
while (iterator.current() != CharacterIterator.DONE) {
while (iterator.getAttribute(field) == null && iterator.next() != CharacterIterator.DONE) ;
if (iterator.current() != CharacterIterator.DONE) {
int limit = iterator.getRunLimit(field);
if (--count <= 0) {
getFormattedTextField().select(iterator.getIndex(), limit);
break;
}
iterator.setIndex(limit);
iterator.next();
}
}
}
}
/** Initialize state, including fChars array, direction, and fBidi. */
private void initAll(AttributedCharacterIterator text) {
fStart = text.getBeginIndex();
// extract chars
fChars = new char[text.getEndIndex() - fStart];
int n = 0;
for (char c = text.first(); c != CharacterIterator.DONE; c = text.next()) {
fChars[n++] = c;
}
text.first();
fBidi = new Bidi(text);
if (fBidi.isLeftToRight()) {
fBidi = null;
}
text.first();
Map<? extends Attribute, ?> paragraphAttrs = text.getAttributes();
NumericShaper shaper = AttributeValues.getNumericShaping(paragraphAttrs);
if (shaper != null) {
shaper.shape(fChars, 0, fChars.length);
}
fParagraph = new StyledParagraph(text, fChars);
// set paragraph attributes
{
// If there's an embedded graphic at the start of the
// paragraph, look for the first non-graphic character
// and use it and its font to initialize the paragraph.
// If not, use the first graphic to initialize.
fJustifyRatio = AttributeValues.getJustification(paragraphAttrs);
boolean haveFont = TextLine.advanceToFirstFont(text);
if (haveFont) {
Font defaultFont = TextLine.getFontAtCurrentPos(text);
int charsStart = text.getIndex() - text.getBeginIndex();
LineMetrics lm = defaultFont.getLineMetrics(fChars, charsStart, charsStart + 1, fFrc);
fBaseline = (byte) lm.getBaselineIndex();
fBaselineOffsets = lm.getBaselineOffsets();
} else {
// hmmm what to do here? Just try to supply reasonable
// values I guess.
GraphicAttribute graphic =
(GraphicAttribute) paragraphAttrs.get(TextAttribute.CHAR_REPLACEMENT);
fBaseline = TextLayout.getBaselineFromGraphic(graphic);
Hashtable<Attribute, ?> fmap = new Hashtable<>(5, (float) 0.9);
Font dummyFont = new Font(fmap);
LineMetrics lm = dummyFont.getLineMetrics(" ", 0, 1, fFrc);
fBaselineOffsets = lm.getBaselineOffsets();
}
fBaselineOffsets = TextLine.getNormalizedOffsets(fBaselineOffsets, fBaseline);
}
invalidateComponents();
}
/** Shows the current selected <tt>TextNode</tt>. */
protected void showSelectedGraphicsNode() {
GraphicsNode gn = walker.getCurrentGraphicsNode();
if (!(gn instanceof TextNode)) {
return;
}
TextNode textNode = (TextNode) gn;
// mark the selection of the substring found
String text = textNode.getText();
String pattern = search.getText();
if (!caseSensitive.isSelected()) {
text = text.toLowerCase();
pattern = pattern.toLowerCase();
}
int end = text.indexOf(pattern, currentIndex);
AttributedCharacterIterator aci = textNode.getAttributedCharacterIterator();
aci.first();
for (int i = 0; i < end; ++i) {
aci.next();
}
Mark startMark = textNode.getMarkerForChar(aci.getIndex(), true);
for (int i = 0; i < pattern.length() - 1; ++i) {
aci.next();
}
Mark endMark = textNode.getMarkerForChar(aci.getIndex(), false);
svgCanvas.select(startMark, endMark);
// zoom on the TextNode if needed
if (highlightButton.isSelected()) {
return;
}
// get the highlight shape in GVT root (global) coordinate sytem
Shape s = textNode.getHighlightShape();
AffineTransform at;
if (highlightCenterZoomButton.isSelected()) {
at = svgCanvas.getInitialTransform();
} else {
at = svgCanvas.getRenderingTransform();
}
// get the bounds of the highlight shape in the canvas coordinate system
Rectangle2D gnb = at.createTransformedShape(s).getBounds();
Dimension canvasSize = svgCanvas.getSize();
// translate the highlight region to (0, 0) in the canvas coordinate
// system
AffineTransform Tx =
AffineTransform.getTranslateInstance(
-gnb.getX() - gnb.getWidth() / 2, -gnb.getY() - gnb.getHeight() / 2);
if (highlightCenterZoomButton.isSelected()) {
// zoom on the highlight shape such as the shape takes x% of the
// canvas size
double sx = canvasSize.width / gnb.getWidth();
double sy = canvasSize.height / gnb.getHeight();
double scale = Math.min(sx, sy) / 8;
if (scale > 1) {
Tx.preConcatenate(AffineTransform.getScaleInstance(scale, scale));
}
}
Tx.preConcatenate(
AffineTransform.getTranslateInstance(canvasSize.width / 2, canvasSize.height / 2));
// take into account the initial transform
AffineTransform newRT = new AffineTransform(at);
newRT.preConcatenate(Tx);
// change the rendering transform
svgCanvas.setRenderingTransform(newRT);
}
