private boolean setSelection(ISelection selection, boolean reveal) {
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
Object object = structuredSelection.getFirstElement();
if (object instanceof EObject) {
EObject element = (EObject) object;
Resource resource = element.eResource();
if (resource == null) {
return false;
}
if (!(resource
instanceof
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptTextResource)) {
return false;
}
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptTextResource
textResource =
(com.github.funthomas424242.rezeptsammler.rezept.resource.rezept
.IRezeptTextResource)
resource;
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptLocationMap
locationMap = textResource.getLocationMap();
int destination = locationMap.getCharStart(element);
if (destination < 0) {
destination = 0;
}
selectAndReveal(destination, 0);
int length = locationMap.getCharEnd(element) - destination + 1;
getSourceViewer().setRangeIndication(destination, length, true);
getSourceViewer().setSelectedRange(destination, length);
return true;
}
}
return false;
}
/**
* Sets the caret to the offset of the given element.
*
* @param element has to be contained in the resource of this editor.
*/
public void setCaret(EObject element, String text) {
try {
if (element == null || text == null || text.equals("")) {
return;
}
ISourceViewer viewer = getSourceViewer();
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptTextResource
textResource =
(com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptTextResource)
element.eResource();
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptLocationMap
locationMap = textResource.getLocationMap();
int destination = locationMap.getCharStart(element);
int length = locationMap.getCharEnd(element) + 1 - destination;
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptTextScanner lexer =
getResource().getMetaInformation().createLexer();
try {
lexer.setText(viewer.getDocument().get(destination, length));
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.IRezeptTextToken token =
lexer.getNextToken();
String tokenText = token.getText();
while (tokenText != null) {
if (token.getText().equals(text)) {
destination += token.getOffset();
break;
}
token = lexer.getNextToken();
if (token == null) {
break;
}
tokenText = token.getText();
}
} catch (BadLocationException e) {
}
destination = ((ProjectionViewer) viewer).modelOffset2WidgetOffset(destination);
if (destination < 0) {
destination = 0;
}
viewer.getTextWidget().setSelection(destination);
} catch (Exception e) {
com.github.funthomas424242.rezeptsammler.rezept.resource.rezept.ui.RezeptUIPlugin.logError(
"Exception in setCaret()", e);
}
}