Java Code Examples for org.eclipse.emf.common.util.EList#indexOf()

The following examples show how to use org.eclipse.emf.common.util.EList#indexOf() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: n4js   File: DeadCodeAnalyser.java    License: Eclipse Public License 1.0 6 votes vote down vote up
private ControlFlowElement findPrecedingStatement(ControlFlowElement cfe) {
	ControlFlowElement precedingStatement = null;
	Statement stmt = EcoreUtil2.getContainerOfType(cfe, Statement.class);
	if (stmt != null) {
		EObject stmtContainer = stmt.eContainer();
		if (stmtContainer != null && stmtContainer instanceof Block) {
			Block block = (Block) stmtContainer;
			EList<Statement> stmts = block.getStatements();
			int index = stmts.indexOf(stmt);
			if (index > 0) {
				precedingStatement = stmts.get(index - 1);
			}
		}
	}
	return precedingStatement;
}
 
Example 2
public void selectionChanged(SelectionChangedEvent event) {
	EList<EObject> listInput = getListInput();
	int indexOf = listInput.indexOf(getSelectedObject());
	if (indexOf == -1 || listInput.size() <= 1) {
		btnUp.setEnabled(false);
		btnDown.setEnabled(false);
	} else if (indexOf == 0) {
		btnUp.setEnabled(false);
		btnDown.setEnabled(true);
	} else if (indexOf == listInput.size() - 1) {
		btnUp.setEnabled(true);
		btnDown.setEnabled(false);
	} else {
		btnUp.setEnabled(true);
		btnDown.setEnabled(true);
	}
}
 
Example 3
Source Project: birt   File: AxesRenderer.java    License: Eclipse Public License 1.0 6 votes vote down vote up
/**
 * Gets current internal primary orthogonal OneAxis
 * 
 * @return internal OneAxis
 */
protected final OneAxis getInternalOrthogonalAxis( )
{
	final AllAxes allAxes = ( (PlotWithAxes) getComputations( ) ).getAxes( );
	if ( allAxes.getOverlayCount( ) == 0 )
	{
		return allAxes.getPrimaryOrthogonal( );
	}
	EList<Axis> axesList = ( (Axis) getAxis( ).eContainer( ) ).getAssociatedAxes( );
	int index = axesList.indexOf( getAxis( ) );
	if ( index == 0 )
	{
		return allAxes.getPrimaryOrthogonal( );
	}
	return allAxes.getOverlay( index - 1 );
}
 
Example 4
Source Project: birt   File: LegendImpl.java    License: Eclipse Public License 1.0 6 votes vote down vote up
public final void updateLayout( Chart cm )
{
	final Legend lg = this;
	final Plot pl = cm.getPlot( );
	final EList<Block> el = pl.getChildren( );
	final Position p = lg.getPosition( );
	final boolean bLegendInsidePlot = p.getValue( ) == Position.INSIDE;
	final boolean bPlotContainsLegend = el.indexOf( lg ) >= 0;

	// IF PLOT DOESNT CONTAIN LEGEND AND LEGEND IS SUPPOSED TO BE INSIDE
	if ( !bPlotContainsLegend && bLegendInsidePlot )
	{
		el.add( lg ); // ADD LEGEND TO PLOT
	}
	else if ( bPlotContainsLegend && !bLegendInsidePlot )
	{
		cm.getBlock( ).getChildren( ).add( lg ); // ADD LEGEND TO BLOCK
	}
	else
	{
		// PLOT/LEGEND RELATIONSHIP IS FINE; DON'T DO ANYTHING
	}
}
 
Example 5
protected boolean isEndOfOriginalMethod() {
	EObject eContainer = lastExpression.eContainer();
	if(eContainer instanceof XBlockExpression) {
		if(eContainer.eContainer() == originalMethod) {
			EList<XExpression> siblings = ((XBlockExpression)eContainer).getExpressions();
			return siblings.indexOf(lastExpression) == siblings.size()-1;
		}
	}
	return false;
}
 
Example 6
/**
 * @since 2.11
 */
protected EObject handleProxy(EObject proxy, EObject semanticObject, EReference reference) {
	if (reference != null && reference.isResolveProxies()) {
		if (reference.isMany()) {
			@SuppressWarnings("unchecked")
			EList<? extends EObject> list = (EList<? extends EObject>) semanticObject.eGet(reference);
			int index = list.indexOf(proxy);
			if (index >= 0)
				return list.get(index);
		} else {
			return (EObject) semanticObject.eGet(reference, true);
		}
	}
	return EcoreUtil.resolve(proxy, semanticObject);
}
 
Example 7
/**
 * Checks that if guards have been provided as part of a context's constraint, they appear in the
 * beginning of a block expression.
 *
 * @param context
 *          the context for which the constraint is checked
 */
@SuppressWarnings("unchecked")
@Check
public void checkGuardsFirst(final Context context) {
  if (context.getContextVariable() == null || context.getConstraint() == null) {
    return;
  }

  List<XGuardExpression> guards = EcoreUtil2.eAllOfType(context.getConstraint(), XGuardExpression.class);
  if (Iterables.isEmpty(guards)) {
    return; // no guards makes check irrelevant
  }

  EList<XExpression> topLevelExpressions = (EList<XExpression>) ((XBlockExpression) context.getConstraint()).eGet(XbasePackage.Literals.XBLOCK_EXPRESSION__EXPRESSIONS);

  for (final XGuardExpression guard : guards) {
    final EStructuralFeature eContainingFeature = guard.eContainingFeature();
    if (guard.eContainer() != null && eContainingFeature != null) {
      if (guard.eContainer().eGet(eContainingFeature) != topLevelExpressions) {
        // guards not allowed in nested expressions, must be on root level
        error(Messages.CheckJavaValidator_GUARDS_COME_FIRST, guard, null, IssueCodes.GUARDS_COME_FIRST);
      } else {
        // check that guards precede other expressions
        int pos = topLevelExpressions.indexOf(guard);
        if (pos > 0) {
          for (int i = 0; i < pos; i++) {
            if (!(topLevelExpressions.get(i) instanceof XGuardExpression)) {
              error(Messages.CheckJavaValidator_GUARDS_COME_FIRST, guard, null, IssueCodes.GUARDS_COME_FIRST);
              break;
            }
          }
        }
      }
    }
  }
}
 
Example 8
private void moveSelectedConnector(final int diff) {
    final EObject selectConnector = (EObject) ((IStructuredSelection) tableViewer
            .getSelection()).getFirstElement();
    @SuppressWarnings("unchecked")
    final EList<Connector> connectors = (EList<Connector>) getEObject()
            .eGet(getConnectorFeature());
    final int destIndex = connectors.indexOf(selectConnector) + diff;
    final Command c = new MoveCommand(getEditingDomain(), connectors,
            selectConnector, destIndex);
    getEditingDomain().getCommandStack().execute(c);
    refresh();
}
 
Example 9
protected void updateButtonsEnablement() {
    if(listViewer.getSelection().isEmpty()){
        upButton.setEnabled(false);
        downButton.setEnabled(false);
    } else {
        final Object selectedConnection = ((IStructuredSelection) listViewer.getSelection()).getFirstElement();
        final EList<Connection> outgoingConnections = getSourceElement().getOutgoing();
        final int indexSelected = outgoingConnections.indexOf(selectedConnection);
        upButton.setEnabled(indexSelected != 0);
        downButton.setEnabled(indexSelected < outgoingConnections.size() -1);
    }
}
 
Example 10
/**
 * Computes a segment of the fragment with a selector for the given object and appends it to the given {@link StringBuilder}.
 *
 * @param obj
 *          object to compute fragment for
 * @param selectorFeature
 *          selector feature
 * @param unique
 *          {@code true} the values for selectorFeature are unique within the object's containment feature setting
 * @param builder
 *          builder to append fragment segment to, must not be {@code null}
 * @return {@code true} if a fragment segment was appended to {@code builder}
 */
@SuppressWarnings("unchecked")
protected boolean computeSelectorFragmentSegment(final EObject obj, final EStructuralFeature selectorFeature, final boolean unique, final StringBuilder builder) {
  final EObject container = obj.eContainer();
  if (container == null) {
    return shortFragmentProvider.appendFragmentSegment(obj, builder);
  }
  // containment feature
  final EStructuralFeature containmentFeature = obj.eContainmentFeature();
  builder.append(container.eClass().getFeatureID(containmentFeature));
  // selector
  final Object selectorValue = obj.eGet(selectorFeature);
  builder.append(SELECTOR_START).append(obj.eClass().getFeatureID(selectorFeature)).append(EQ_OP);
  if (selectorValue != null) {
    builder.append(VALUE_SEP);
    appendEscaped(selectorValue.toString(), builder);
    builder.append(VALUE_SEP);
  } else {
    builder.append(NULL_VALUE);
  }
  if (unique) {
    builder.append(UNIQUE);
  }
  builder.append(SELECTOR_END);

  // selector index
  if (!unique && containmentFeature.isMany()) {
    builder.append(ShortFragmentProvider.LIST_SEPARATOR);
    final EList<? extends EObject> containmentList = (EList<? extends EObject>) container.eGet(containmentFeature);
    int selectorIndex = 0;
    final int objectIndex = containmentList.indexOf(obj);
    for (int i = 0; i < objectIndex; i++) {
      final Object value = containmentList.get(i).eGet(selectorFeature);
      if ((selectorValue == null && value == null) || (selectorValue != null && selectorValue.equals(value))) {
        selectorIndex++;
      }
    }
    builder.append(selectorIndex);
  }
  return true;
}