/**
* 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);
}
}
}
/**
* Called when a user processing input characters and select candidates from input method.
*
* @param text Text from InputMethodEvent.
* @param commited_count Numbers of committed characters in text.
*/
public void processCompositionText(AttributedCharacterIterator text, int committed_count) {
int layoutCaretPosition = initialCaretPosition + committed_count;
CompositionTextPainter compositionPainter = textArea.getPainter().getCompositionTextpainter();
compositionPainter.setComposedTextLayout(
getTextLayout(text, committed_count), layoutCaretPosition);
int textLength = text.getEndIndex() - text.getBeginIndex() - committed_count;
StringBuffer unCommitedStringBuf = new StringBuffer(textLength);
char c;
for (c = text.setIndex(committed_count);
c != AttributedCharacterIterator.DONE && textLength > 0;
c = text.next(), --textLength) {
unCommitedStringBuf.append(c);
}
String unCommittedString = unCommitedStringBuf.toString();
try {
if (canRemovePreviousInput(committed_count)) {
textArea.getDocument().remove(layoutCaretPosition, prevComposeString.length());
}
textArea.getDocument().insertString(layoutCaretPosition, unCommittedString, null);
if (committed_count > 0) {
initialCaretPosition = initialCaretPosition + committed_count;
}
prevComposeString = unCommittedString;
prevCommittedCount = committed_count;
} catch (BadLocationException e) {
e.printStackTrace();
}
}
/**
* Return a StyledParagraph reflecting the insertion of a single character into the text. This
* method will attempt to reuse the given paragraph, but may create a new paragraph.
*
* @param aci an iterator over the text. The text should be the same as the text used to create
* (or most recently update) oldParagraph, with the exception of inserting a single character
* at insertPos.
* @param chars the characters in aci
* @param insertPos the index of the new character in aci
* @param oldParagraph a StyledParagraph for the text in aci before the insertion
*/
public static StyledParagraph insertChar(
AttributedCharacterIterator aci, char[] chars, int insertPos, StyledParagraph oldParagraph) {
// If the styles at insertPos match those at insertPos-1,
// oldParagraph will be reused. Otherwise we create a new
// paragraph.
char ch = aci.setIndex(insertPos);
int relativePos = Math.max(insertPos - aci.getBeginIndex() - 1, 0);
Map attributes = addInputMethodAttrs(aci.getAttributes());
Decoration d = Decoration.getDecoration(attributes);
if (!oldParagraph.getDecorationAt(relativePos).equals(d)) {
return new StyledParagraph(aci, chars);
}
Object f = getGraphicOrFont(attributes);
if (f == null) {
FontResolver resolver = FontResolver.getInstance();
int fontIndex = resolver.getFontIndex(ch);
f = resolver.getFont(fontIndex, attributes);
}
if (!oldParagraph.getFontOrGraphicAt(relativePos).equals(f)) {
return new StyledParagraph(aci, chars);
}
// insert into existing paragraph
oldParagraph.length += 1;
if (oldParagraph.decorations != null) {
insertInto(relativePos, oldParagraph.decorationStarts, oldParagraph.decorations.size());
}
if (oldParagraph.fonts != null) {
insertInto(relativePos, oldParagraph.fontStarts, oldParagraph.fonts.size());
}
return oldParagraph;
}
public int findMaxFontSize(AttributedCharacterIterator line, int defaultFontSize) {
line.setIndex(0);
Float maxFontSize = ZERO;
int runLimit = 0;
while (runLimit < line.getEndIndex()
&& (runLimit = line.getRunLimit(TextAttribute.SIZE)) <= line.getEndIndex()) {
Float size = (Float) line.getAttribute(TextAttribute.SIZE);
if (maxFontSize.compareTo(size) < 0) {
maxFontSize = size;
}
line.setIndex(runLimit);
}
return maxFontSize.intValue();
}
public Format.Field[] getFields(final int offset) {
if (format == null) {
return null;
}
Object value = getFormattedTextField().getValue();
if (value == null) {
return null;
}
AttributedCharacterIterator iterator = format.formatToCharacterIterator(value);
if (offset < iterator.getBeginIndex() || offset > iterator.getEndIndex()) {
return new Format.Field[0];
}
iterator.setIndex(offset);
Set keys = iterator.getAttributes().keySet();
Set result = new HashSet();
Iterator iter = keys.iterator();
while (iter.hasNext()) {
Object key = iter.next();
if (key instanceof Format.Field) {
result.add(key);
}
}
return (Format.Field[]) result.toArray(new Format.Field[result.size()]);
}
protected void clicked(CharPos pos) {
AttributedCharacterIterator inf = pos.part.ti();
inf.setIndex(pos.ch.getCharIndex());
FuckMeGentlyWithAChainsaw url =
(FuckMeGentlyWithAChainsaw) inf.getAttribute(ChatAttribute.HYPERLINK);
if ((url != null) && (WebBrowser.self != null)) WebBrowser.self.show(url.url);
}
/** Returns a Set of the attribute identifiers at <code>index</code>. */
Map getAttributes(int index) {
if (isValidMask()) {
AttributedCharacterIterator iterator = getIterator();
if (index >= 0 && index <= iterator.getEndIndex()) {
iterator.setIndex(index);
return iterator.getAttributes();
}
}
return null;
}
public void actionPerformed(ActionEvent ae) {
if (getFormattedTextField().isEditable()) {
if (getAllowsInvalid()) {
// This will work if the currently edited value is valid.
updateMask();
}
boolean validEdit = false;
if (isValidMask()) {
int start = getFormattedTextField().getSelectionStart();
if (start != -1) {
AttributedCharacterIterator iterator = getIterator();
iterator.setIndex(start);
Map attributes = iterator.getAttributes();
Object field = getAdjustField(start, attributes);
if (canIncrement(field, start)) {
try {
Object value = stringToValue(getFormattedTextField().getText());
int fieldTypeCount = getFieldTypeCountTo(field, start);
value = adjustValue(value, attributes, field, direction);
if (value != null && isValidValue(value, false)) {
resetValue(value);
updateMask();
if (isValidMask()) {
selectField(field, fieldTypeCount);
}
validEdit = true;
}
} catch (ParseException pe) {
} catch (BadLocationException ble) {
}
}
}
}
if (!validEdit) {
invalidEdit();
}
}
}
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;
}
/**
* ************************************************************************ Return a Iterator with
* only the relevant attributes. Fixes implementation in AttributedString, which returns
* everything
*
* @param aString attributed string
* @param relevantAttributes relevant attributes
* @return iterator
*/
public static AttributedCharacterIterator getIterator(
AttributedString aString, AttributedCharacterIterator.Attribute[] relevantAttributes) {
AttributedCharacterIterator iter = aString.getIterator();
Set set = iter.getAllAttributeKeys();
// System.out.println("AllAttributeKeys=" + set);
if (set.size() == 0) return iter;
// Check, if there are unwanted attributes
Set<AttributedCharacterIterator.Attribute> unwanted =
new HashSet<AttributedCharacterIterator.Attribute>(iter.getAllAttributeKeys());
for (int i = 0; i < relevantAttributes.length; i++) unwanted.remove(relevantAttributes[i]);
if (unwanted.size() == 0) return iter;
// Create new String
StringBuffer sb = new StringBuffer();
for (char c = iter.first(); c != AttributedCharacterIterator.DONE; c = iter.next())
sb.append(c);
aString = new AttributedString(sb.toString());
// copy relevant attributes
Iterator it = iter.getAllAttributeKeys().iterator();
while (it.hasNext()) {
AttributedCharacterIterator.Attribute att = (AttributedCharacterIterator.Attribute) it.next();
if (!unwanted.contains(att)) {
for (char c = iter.first(); c != AttributedCharacterIterator.DONE; c = iter.next()) {
Object value = iter.getAttribute(att);
if (value != null) {
int start = iter.getRunStart(att);
int limit = iter.getRunLimit(att);
// System.out.println("Attribute=" + att + " Value=" + value + " Start=" + start + "
// Limit=" + limit);
aString.addAttribute(att, value, start, limit);
iter.setIndex(limit);
}
}
}
// else
// System.out.println("Unwanted: " + att);
}
return aString.getIterator();
} // getIterator
/**
* Create a new StyledParagraph over the given styled text.
*
* @param aci an iterator over the text
* @param chars the characters extracted from aci
*/
public StyledParagraph(AttributedCharacterIterator aci, char[] chars) {
int start = aci.getBeginIndex();
int end = aci.getEndIndex();
length = end - start;
int index = start;
aci.first();
do {
final int nextRunStart = aci.getRunLimit();
final int localIndex = index - start;
Map attributes = aci.getAttributes();
attributes = addInputMethodAttrs(attributes);
Decoration d = Decoration.getDecoration(attributes);
addDecoration(d, localIndex);
Object f = getGraphicOrFont(attributes);
if (f == null) {
addFonts(chars, attributes, localIndex, nextRunStart - start);
} else {
addFont(f, localIndex);
}
aci.setIndex(nextRunStart);
index = nextRunStart;
} while (index < end);
// Add extra entries to starts arrays with the length
// of the paragraph. 'this' is used as a dummy value
// in the Vector.
if (decorations != null) {
decorationStarts = addToVector(this, length, decorations, decorationStarts);
}
if (fonts != null) {
fontStarts = addToVector(this, length, fonts, fontStarts);
}
}
/**
* 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();
}
}
}
}
/**
* Updates the <code>TextMeasurer</code> after a single character has been inserted into the
* paragraph currently represented by this <code>TextMeasurer</code>. After this call, this <code>
* TextMeasurer</code> is equivalent to a new <code>TextMeasurer</code> created from the text;
* however, it will usually be more efficient to update an existing <code>TextMeasurer</code> than
* to create a new one from scratch.
*
* @param newParagraph the text of the paragraph after performing the insertion. Cannot be null.
* @param insertPos the position in the text where the character was inserted. Must not be less
* than the start of <code>newParagraph</code>, and must be less than the end of <code>
* newParagraph</code>.
* @throws IndexOutOfBoundsException if <code>insertPos</code> is less than the start of <code>
* newParagraph</code> or greater than or equal to the end of <code>newParagraph</code>
* @throws NullPointerException if <code>newParagraph</code> is <code>null</code>
*/
public void insertChar(AttributedCharacterIterator newParagraph, int insertPos) {
if (collectStats) {
printStats();
}
if (wantStats) {
collectStats = true;
}
fStart = newParagraph.getBeginIndex();
int end = newParagraph.getEndIndex();
if (end - fStart != fChars.length + 1) {
initAll(newParagraph);
}
char[] newChars = new char[end - fStart];
int newCharIndex = insertPos - fStart;
System.arraycopy(fChars, 0, newChars, 0, newCharIndex);
char newChar = newParagraph.setIndex(insertPos);
newChars[newCharIndex] = newChar;
System.arraycopy(fChars, newCharIndex, newChars, newCharIndex + 1, end - insertPos - 1);
fChars = newChars;
if (fBidi != null
|| Bidi.requiresBidi(newChars, newCharIndex, newCharIndex + 1)
|| newParagraph.getAttribute(TextAttribute.BIDI_EMBEDDING) != null) {
fBidi = new Bidi(newParagraph);
if (fBidi.isLeftToRight()) {
fBidi = null;
}
}
fParagraph = StyledParagraph.insertChar(newParagraph, fChars, insertPos, fParagraph);
invalidateComponents();
}
