public boolean openHyperLink() {
String localiz = getLocalization();
if (localiz == null) {
return false;
} else if (fBase.getUnderlyingResource() == null) {
return false;
} else if (fElement.length() == 0 || fElement.charAt(0) != '%') {
return false;
}
IProject proj = fBase.getUnderlyingResource().getProject();
IFile file = proj.getFile(localiz + ".properties"); // $NON-NLS-1$
if (!file.exists()) return false;
try {
IEditorPart editor = IDE.openEditor(PDEPlugin.getActivePage(), file);
if (!(editor instanceof TextEditor)) return false;
TextEditor tEditor = (TextEditor) editor;
IDocument doc = tEditor.getDocumentProvider().getDocument(tEditor.getEditorInput());
if (doc == null) return false;
try {
String key = fElement.substring(1);
int keyLen = key.length();
int length = doc.getLength();
int start = 0;
IRegion region = null;
FindReplaceDocumentAdapter docSearch = new FindReplaceDocumentAdapter(doc);
while ((region = docSearch.find(start, key, true, false, false, false)) != null) {
int offset = region.getOffset();
if (offset > 0) {
// check for newline before
char c = doc.getChar(offset - 1);
if (c != '\n' && c != '\r') {
start += keyLen;
continue;
}
}
if (offset + keyLen < length) {
// check for whitespace / assign symbol after
char c = doc.getChar(offset + keyLen);
if (!Character.isWhitespace(c) && c != '=' && c != ':') {
start += keyLen;
continue;
}
}
tEditor.selectAndReveal(offset, keyLen);
break;
}
} catch (BadLocationException e) {
PDEPlugin.log(e);
}
} catch (PartInitException e) {
return false;
}
return true;
}
protected boolean selectComment(int caretPos) {
IDocument doc = fText.getDocument();
int startPos, endPos;
try {
int pos = caretPos;
char c = ' ';
while (pos >= 0) {
c = doc.getChar(pos);
if (c == '\\') {
pos -= 2;
continue;
}
if (c == Character.LINE_SEPARATOR || c == '\"') break;
--pos;
}
if (c != '\"') return false;
startPos = pos;
pos = caretPos;
int length = doc.getLength();
c = ' ';
while (pos < length) {
c = doc.getChar(pos);
if (c == Character.LINE_SEPARATOR || c == '\"') break;
++pos;
}
if (c != '\"') return false;
endPos = pos;
int offset = startPos + 1;
int len = endPos - offset;
fText.setSelectedRange(offset, len);
return true;
} catch (BadLocationException x) {
}
return false;
}
protected boolean selectWord(int caretPos) {
IDocument doc = fText.getDocument();
int startPos, endPos;
try {
int pos = caretPos;
char c;
while (pos >= 0) {
c = doc.getChar(pos);
if (!Character.isJavaIdentifierPart(c)) break;
--pos;
}
startPos = pos;
pos = caretPos;
int length = doc.getLength();
while (pos < length) {
c = doc.getChar(pos);
if (!Character.isJavaIdentifierPart(c)) break;
++pos;
}
endPos = pos;
selectRange(startPos, endPos);
return true;
} catch (BadLocationException x) {
}
return false;
}
/**
* Der vorhergehende character, wobei whitespace zeichen uebersprungen werden, entspricht dem
* uebergebenen character.
*
* @param document
* @param offset
* @param c
* @return
* @throws BadLocationException
*/
private boolean previousCharIs(final IDocument document, final int offset, final int c)
throws BadLocationException {
if (offset <= 0) {
return false;
}
int curOffset = offset;
while (curOffset > 0) {
char docChar = document.getChar(--curOffset);
if (!Character.isWhitespace(docChar)) {
return docChar == c;
}
}
return false;
}
/**
* Ueberspringen von Whitespace-Zeichen, bis Dokumentanfang oder nicht Whitespace gefunden wurde
*
* @param document
* @param offset
* @return
*/
private int skipWhitespace(final IDocument document, final int offset)
throws BadLocationException {
if (offset <= 0) {
return 0;
}
int curOffset = offset;
while (true) {
if (!Character.isWhitespace(document.getChar(--curOffset))) {
return curOffset + 1;
}
if (curOffset == 0) {
return curOffset;
}
}
}
private boolean isFunctionCallProposal(final IDocument document, final int offset)
throws BadLocationException {
if (offset <= 0) {
return false;
}
int curOffset = offset;
while (true) {
char c = document.getChar(--curOffset);
if (c == '(') {
return true;
}
if (curOffset == 0 || Character.isWhitespace(c)) {
return false;
}
}
}
/**
* Berechnet das Wort das vor dem offset liegt. Ist das Zeichen vor dem Wort ein Leerzeichen, (, )
* wird der leere String zurueckgegeben.
*
* @param document
* @param offset
* @return
*/
@Nonnull
private String computePreviousWord(final IDocument document, final int offset)
throws BadLocationException {
if (offset <= 0) { // <= 0, da auf jeden Fall offset -1 vor zugriff
return "";
}
int curOffset = offset;
StringBuilder prefix = new StringBuilder();
while (true) {
char c = document.getChar(--curOffset);
if (Character.isWhitespace(c) || c == '(' || c == ')' || c == '\'') {
return prefix.reverse().toString();
}
prefix.append(c);
if (curOffset == 0) {
return prefix.reverse().toString();
}
}
}
/** @see IPainter#paint(int) */
public final void paint(final int reason) {
Point selection = mSourceViewer.getSelectedRange();
if (selection.y > 0) {
deactivate(true);
return;
}
SexpNavigator explorer = mEditor.getExplorer();
boolean backward = true;
boolean closeToParen = false;
int offset = selection.x;
IDocument document = mEditor.getDocument();
try {
char previousChar = '\0';
char nextChar = '\0';
if (selection.x > 0) previousChar = document.getChar(selection.x - 1);
if (selection.x > 0
&& SchemeScannerUtilities.isClosingParenthesis(previousChar)
&& SchemeTextUtilities.getPartition(document, selection.x - 1).getType()
== IDocument.DEFAULT_CONTENT_TYPE) {
closeToParen = true;
} else {
nextChar = document.getChar(selection.x);
if (selection.x < document.getLength() - 1
&& SchemeScannerUtilities.isOpeningParenthesis(nextChar)
&& SchemeTextUtilities.getPartition(document, selection.x).getType()
== IDocument.DEFAULT_CONTENT_TYPE) {
closeToParen = true;
backward = false;
}
}
if (closeToParen && backward && explorer.backwardSexpression(selection.x)) {
offset = explorer.getListStart();
char matchingChar = document.getChar(offset);
mMismatch =
SchemeScannerUtilities.getParenthesisType(previousChar)
!= SchemeScannerUtilities.getParenthesisType(matchingChar);
} else {
if (closeToParen && !backward && explorer.forwardSexpression(selection.x)) {
offset = explorer.getSexpEnd() - 1;
char matchingChar = document.getChar(offset);
mMismatch =
SchemeScannerUtilities.getParenthesisType(nextChar)
!= SchemeScannerUtilities.getParenthesisType(matchingChar);
} else {
deactivate(true);
return;
}
}
} catch (BadLocationException exception) {
deactivate(true);
return;
}
if (mIsActive) {
// only if different
if (offset != mBracketPosition.getOffset()) {
// remove old highlighting
handleDrawRequest(null);
// update position
mBracketPosition.isDeleted = false;
mBracketPosition.offset = offset;
mBracketPosition.length = 1;
// apply new highlighting
handleDrawRequest(null);
}
} else {
mIsActive = true;
mBracketPosition.isDeleted = false;
mBracketPosition.offset = offset;
mBracketPosition.length = 1;
mTextWidget.addPaintListener(this);
mPositionManager.managePosition(mBracketPosition);
handleDrawRequest(null);
}
}
