use of org.eclipse.jface.text.link.LinkedPosition 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;
}
}
use of org.eclipse.jface.text.link.LinkedPosition in project ow by vtst.
the class AbstractCompletionProposal method setUpLinkedMode.
/**
* Set up the linked mode for the replacement text.
* @param document The document in which the replacement is made.
* @param replacementOffset The offset at which the replacement is made.
* @param fragments The fragments to insert.
* @param closingChar The closing character (used for the exit mode).
* @throws BadLocationException
*/
private void setUpLinkedMode(IDocument document, int replacementOffset, Iterable<Fragment> fragments) throws BadLocationException {
int currentOffset = replacementOffset;
boolean hasLinkedFragment = false;
LinkedModeModel model = new LinkedModeModel();
for (Fragment fragment : fragments) {
int length = fragment.getText().length();
if (fragment instanceof LinkedFragment) {
LinkedPositionGroup group = new LinkedPositionGroup();
group.addPosition(new LinkedPosition(document, currentOffset, length, LinkedPositionGroup.NO_STOP));
model.addGroup(group);
hasLinkedFragment = true;
}
currentOffset += length;
}
if (!hasLinkedFragment)
return;
model.forceInstall();
LinkedModeUI ui = new EditorLinkedModeUI(model, context.getViewer());
ui.setExitPosition(context.getViewer(), currentOffset, 0, Integer.MAX_VALUE);
ui.setExitPolicy(new ExitPolicy(makeExitCharactersForLinkedMode(), document));
ui.setDoContextInfo(true);
ui.setCyclingMode(LinkedModeUI.CYCLE_WHEN_NO_PARENT);
ui.enter();
IRegion region = ui.getSelectedRegion();
regionToSelect = new Point(region.getOffset(), region.getLength());
}
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