use of org.eclipse.jface.text.BadLocationException in project che by eclipse.
the class SmartSemicolonAutoEditStrategy method isDefaultPartition.
/**
* Checks whether <code>position</code> resides in a default (Java) partition of <code>document</code>.
*
* @param document the document being modified
* @param position the position to be checked
* @param partitioning the document partitioning
* @return <code>true</code> if <code>position</code> is in the default partition of <code>document</code>, <code>false</code> otherwise
*/
private static boolean isDefaultPartition(IDocument document, int position, String partitioning) {
Assert.isTrue(position >= 0);
Assert.isTrue(position <= document.getLength());
try {
// don't use getPartition2 since we're interested in the scanned character's partition
ITypedRegion region = TextUtilities.getPartition(document, partitioning, position, false);
return region.getType().equals(IDocument.DEFAULT_CONTENT_TYPE);
} catch (BadLocationException e) {
}
return false;
}
use of org.eclipse.jface.text.BadLocationException in project che by eclipse.
the class SmartSemicolonAutoEditStrategy method nextPartitionOrLineEnd.
/**
* Returns a position in the first java partition after the last non-empty and non-comment partition.
* There is no non-whitespace from the returned position to the end of the partition it is contained in.
*
* @param document the document being modified
* @param line the line under investigation
* @param offset the caret offset into <code>line</code>
* @param partitioning the document partitioning
* @return the position of the next Java partition, or the end of <code>line</code>
*/
private static int nextPartitionOrLineEnd(IDocument document, ITextSelection line, int offset, String partitioning) {
// run relative to document
final int docOffset = offset + line.getOffset();
final int eol = line.getOffset() + line.getLength();
// init with line end
int nextPartitionPos = eol;
int validPosition = docOffset;
try {
ITypedRegion partition = TextUtilities.getPartition(document, partitioning, nextPartitionPos, true);
validPosition = getValidPositionForPartition(document, partition, eol);
while (validPosition == -1) {
nextPartitionPos = partition.getOffset() - 1;
if (nextPartitionPos < docOffset) {
validPosition = docOffset;
break;
}
partition = TextUtilities.getPartition(document, partitioning, nextPartitionPos, false);
validPosition = getValidPositionForPartition(document, partition, eol);
}
} catch (BadLocationException e) {
}
validPosition = Math.max(validPosition, docOffset);
// make relative to line
validPosition -= line.getOffset();
return validPosition;
}
use of org.eclipse.jface.text.BadLocationException in project che by eclipse.
the class TemplateEngine method complete.
/**
* Inspects the context of the compilation unit around <code>completionPosition</code>
* and feeds the collector with proposals.
* @param viewer the text viewer
* @param completionPosition the context position in the document of the text viewer
* @param compilationUnit the compilation unit (may be <code>null</code>)
*/
public void complete(ITextViewer viewer, int completionPosition, ICompilationUnit compilationUnit) {
IDocument document = viewer.getDocument();
if (!(fContextType instanceof CompilationUnitContextType))
return;
Point selection = viewer.getSelectedRange();
Position position = new Position(completionPosition, selection.y);
// remember selected text
String selectedText = null;
if (selection.y != 0) {
try {
selectedText = document.get(selection.x, selection.y);
document.addPosition(position);
fPositions.put(document, position);
} catch (BadLocationException e) {
}
}
CompilationUnitContext context = ((CompilationUnitContextType) fContextType).createContext(document, position, compilationUnit);
//$NON-NLS-1$
context.setVariable("selection", selectedText);
int start = context.getStart();
int end = context.getEnd();
IRegion region = new Region(start, end - start);
Template[] templates = JavaPlugin.getDefault().getTemplateStore().getTemplates();
if (selection.y == 0) {
for (int i = 0; i != templates.length; i++) {
Template template = templates[i];
if (context.canEvaluate(template)) {
fProposals.add(new TemplateProposal(template, context, region, getImage()));
}
}
} else {
if (context.getKey().length() == 0)
context.setForceEvaluation(true);
boolean multipleLinesSelected = areMultipleLinesSelected(viewer);
for (int i = 0; i != templates.length; i++) {
Template template = templates[i];
if (context.canEvaluate(template) && (!multipleLinesSelected && template.getPattern().indexOf($_WORD_SELECTION) != -1 || (multipleLinesSelected && template.getPattern().indexOf($_LINE_SELECTION) != -1))) {
fProposals.add(new TemplateProposal(templates[i], context, region, getImage()));
}
}
}
}
use of org.eclipse.jface.text.BadLocationException in project che by eclipse.
the class LazyGenericTypeProposal method installLinkedMode.
private void installLinkedMode(final IDocument document, int[] offsets, int[] lengths, TypeArgumentProposal[] typeArgumentProposals, boolean withParentheses, final boolean onlyAppendArguments) {
int replacementOffset = getReplacementOffset();
String replacementString = getReplacementString();
try {
LinkedModeModelImpl model = new LinkedModeModelImpl();
for (int i = 0; i != offsets.length; i++) {
if (typeArgumentProposals[i].isAmbiguous()) {
LinkedPositionGroupImpl group = new LinkedPositionGroupImpl();
RegionImpl region = new RegionImpl();
region.setOffset(replacementOffset + offsets[i]);
region.setLength(lengths[i]);
group.addPositions(region);
model.addGroups(group);
}
}
if (withParentheses) {
LinkedPositionGroupImpl group = new LinkedPositionGroupImpl();
RegionImpl region = new RegionImpl();
region.setOffset(replacementOffset + getCursorPosition());
region.setLength(0);
group.addPositions(region);
model.addGroups(group);
}
model.setEscapePosition(replacementOffset + replacementString.length());
this.linkedModel = model;
if (!onlyAppendArguments && (document instanceof IDocumentExtension)) {
// see bug 301990
FormatterPrefs prefs = getFormatterPrefs();
final Position firstBracketPosition;
final Position secondBracketPosition;
int firstBracketOffset = replacementOffset + offsets[0] - 1;
if (prefs.afterOpeningBracket) {
firstBracketOffset--;
}
firstBracketPosition = new Position(firstBracketOffset, 1);
document.addPosition(firstBracketPosition);
int secondBracketOffset = replacementOffset + offsets[offsets.length - 1] + lengths[offsets.length - 1] + 1;
if (prefs.beforeClosingBracket) {
secondBracketOffset++;
}
secondBracketPosition = new Position(secondBracketOffset, 0);
document.addPosition(secondBracketPosition);
// model.addLinkingListener(new ILinkedModeListener() {
// public void left(LinkedModeModel environment, int flags) {
// try {
// if (getTextViewer().getSelectedRange().y > 1 || flags != ILinkedModeListener.EXTERNAL_MODIFICATION)
// return;
// ((IDocumentExtension) document).registerPostNotificationReplace(null, new IDocumentExtension.IReplace() {
// public void perform(IDocument d, IDocumentListener owner) {
// try {
// if ((firstBracketPosition.length == 0 || firstBracketPosition.isDeleted) && !secondBracketPosition.isDeleted) {
// d.replace(firstBracketPosition.offset, secondBracketPosition.offset - firstBracketPosition.offset, ""); //$NON-NLS-1$
// }
// } catch (BadLocationException e) {
// JavaPlugin.log(e);
// }
// }
// });
// } finally {
// document.removePosition(firstBracketPosition);
// document.removePosition(secondBracketPosition);
// }
// }
//
// public void suspend(LinkedModeModel environment) {
// }
//
// public void resume(LinkedModeModel environment, int flags) {
// }
// });
}
// LinkedModeUI ui= new EditorLinkedModeUI(model, getTextViewer());
// ui.setExitPolicy(new ExitPolicy(withParentheses ? ')' : '>', document));
// ui.setExitPosition(getTextViewer(), replacementOffset + replacementString.length(), 0, Integer.MAX_VALUE);
// ui.setDoContextInfo(true);
// ui.enter();
//ui.getSelectedRegion();
fSelectedRegion = new Region(replacementOffset + replacementString.length(), 0);
} catch (BadLocationException e) {
JavaPlugin.log(e);
openErrorDialog(e);
}
}
use of org.eclipse.jface.text.BadLocationException in project che by eclipse.
the class TemplateProposal method apply.
/*
* @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#apply(org.eclipse.jface.text.ITextViewer, char, int, int)
*/
public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) {
IDocument document = viewer.getDocument();
try {
fContext.setReadOnly(false);
int start;
TemplateBuffer templateBuffer;
try {
beginCompoundChange(viewer);
int oldReplaceOffset = getReplaceOffset();
try {
// this may already modify the document (e.g. add imports)
templateBuffer = fContext.evaluate(fTemplate);
} catch (TemplateException e1) {
fSelectedRegion = fRegion;
return;
}
start = getReplaceOffset();
int shift = start - oldReplaceOffset;
int end = Math.max(getReplaceEndOffset(), offset + shift);
// insert template string
if (end > document.getLength())
end = offset;
String templateString = templateBuffer.getString();
document.replace(start, end - start, templateString);
} finally {
endCompoundChange(viewer);
}
// translate positions
LinkedModeModelImpl model = new LinkedModeModelImpl();
TemplateVariable[] variables = templateBuffer.getVariables();
MultiVariableGuess guess = fContext instanceof CompilationUnitContext ? ((CompilationUnitContext) fContext).getMultiVariableGuess() : null;
boolean hasPositions = false;
for (int i = 0; i != variables.length; i++) {
TemplateVariable variable = variables[i];
if (variable.isUnambiguous())
continue;
LinkedPositionGroupImpl group = new LinkedPositionGroupImpl();
int[] offsets = variable.getOffsets();
int length = variable.getLength();
LinkedPosition first;
if (guess != null && variable instanceof MultiVariable) {
first = new VariablePosition(document, offsets[0] + start, length, guess, (MultiVariable) variable);
guess.addSlave((VariablePosition) first);
} else {
String[] values = variable.getValues();
ICompletionProposal[] proposals = new ICompletionProposal[values.length];
for (int j = 0; j < values.length; j++) {
// ensurePositionCategoryInstalled(document, model);
Position pos = new Position(offsets[0] + start, length);
// document.addPosition(getCategory(), pos);
proposals[j] = new PositionBasedCompletionProposal(values[j], pos, length);
}
if (proposals.length > 1)
first = new ProposalPosition(document, offsets[0] + start, length, proposals);
else
first = new LinkedPosition(document, offsets[0] + start, length);
}
for (int j = 0; j != offsets.length; j++) if (j == 0) {
if (first instanceof ProposalPosition) {
RegionImpl region = new RegionImpl();
region.setLength(first.getLength());
region.setOffset(first.getOffset());
LinkedDataImpl data = new LinkedDataImpl();
ICompletionProposal[] choices = ((ProposalPosition) first).getChoices();
if (choices != null) {
for (ICompletionProposal choice : choices) {
data.addValues(choice.getDisplayString());
}
group.setData(data);
}
group.addPositions(region);
} else {
RegionImpl region = new RegionImpl();
region.setLength(first.getLength());
region.setOffset(first.getOffset());
group.addPositions(region);
}
} else {
RegionImpl region = new RegionImpl();
region.setLength(length);
region.setOffset(offsets[j] + start);
group.addPositions(region);
}
model.addGroups(group);
hasPositions = true;
}
if (hasPositions) {
model.setEscapePosition(getCaretOffset(templateBuffer) + start);
this.linkedModeModel = model;
// model.forceInstall();
// JavaEditor editor= getJavaEditor();
// if (editor != null) {
// model.addLinkingListener(new EditorHighlightingSynchronizer(editor));
// }
//
// LinkedModeUI ui= new EditorLinkedModeUI(model, viewer);
// ui.setExitPosition(viewer, getCaretOffset(templateBuffer) + start, 0, Integer.MAX_VALUE);
// ui.enter();
//ui.getSelectedRegion();
fSelectedRegion = fRegion;
} else {
fSelectedRegion = new Region(getCaretOffset(templateBuffer) + start, 0);
}
} catch (BadLocationException e) {
JavaPlugin.log(e);
// openErrorDialog(viewer.getTextWidget().getShell(), e);
fSelectedRegion = fRegion;
}
}
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