private static TypedEditingSupport createTypeEditingSupport()

in application/org.openjdk.jmc.rjmx.ui/src/main/java/org/openjdk/jmc/rjmx/ui/internal/AttributeConfiguratorTableFactory.java [185:265]
77 lines of code
14 McCabe index (conditional complexity)

	private static TypedEditingSupport<MRI> createTypeEditingSupport(
		final AttributeSelectionViewModel viewModel, final AttributeSelectionContentModel selectorModel,
		final Map<KindOfQuantity<?>, List<IUnit>> types, final TableViewer table, final Runnable listener) {
		return new TypedEditingSupport<MRI>(table, MRI.class) {
			@Override
			public boolean canEdit(Object element) {
				if (viewModel.getContentType() != null) {
					return false;
				}
				if (element instanceof MRI) {
					MRI mri = (MRI) element;
					IMRIMetadata metadata = selectorModel.getMetadataService().getMetadata(mri);
					if (!MRIMetadataToolkit.isNumerical(metadata)) {
						return false;
					}
					return true;
				}
				return false;
			}

			@Override
			protected CellEditor getCellEditorTyped(MRI attribute) {
				return new AttributeComboBoxCellEditor(table.getTable(), getTypeDisplayNames());
			}

			private String[] getTypeDisplayNames() {
				if (viewModel.getContentType() != null) {
					return new String[] {viewModel.getContentType().getName()};
				}
				List<String> typeNames = new ArrayList<>(types.size());
				for (KindOfQuantity<?> type : types.keySet()) {
					typeNames.add(type.getName());
				}
				return typeNames.toArray(new String[typeNames.size()]);
			}

			@Override
			protected Object getValueTyped(MRI attribute) {
				IUnit unit = selectorModel.getAttributeUnit(attribute);
				if (unit == null) {
					return 0;
				}
				int index = 0;
				for (KindOfQuantity<?> type : types.keySet()) {
					if (type.equals(unit.getContentType())) {
						return index;
					}
					index++;
				}
				return 0;
			}

			@Override
			protected void setValueTyped(MRI attribute, Object value) {
				if (!(value instanceof Number)) {
					return;
				}
				ContentType<?> contentType = viewModel.getContentType();
				if (contentType != null) {
					if (contentType instanceof KindOfQuantity) {
						selectorModel.setAttributeUnit(attribute, ((KindOfQuantity<?>) contentType).getDefaultUnit());
						table.refresh();
					}
					return;
				}
				IUnit unit = null;
				int index = ((Number) value).intValue();
				int pos = 0;
				for (KindOfQuantity<?> type : types.keySet()) {
					if (pos == index) {
						unit = type.getDefaultUnit();
						break;
					}
					pos += 1;
				}
				selectorModel.setAttributeUnit(attribute, unit);
				table.refresh();
				listener.run();
			}
		};
	}