protected CellEditor doGetCellEditor()

in eclipse/eclipse-ui/src/org/apache/sling/ide/eclipse/ui/views/JcrEditingSupport.java [388:478]
83 lines of code
17 McCabe index (conditional complexity)

    protected CellEditor doGetCellEditor(Object element) {
        if (!canEdit(element)) {
            return null;
        }
        switch(columnId) {
        case NAME: {
            // no validator needed - any string is OK
            return new TextCellEditor(tableViewer.getTable());
        }
        case TYPE: {
            // using a dropdown editor
            final ComboBoxCellEditor editor = new ComboBoxCellEditor(tableViewer.getTable(), 
                    PropertyTypeSupport.PROPERTY_TYPES, SWT.NONE);
            editor.setActivationStyle(ComboBoxCellEditor.DROP_DOWN_ON_KEY_ACTIVATION | 
                    ComboBoxCellEditor.DROP_DOWN_ON_MOUSE_ACTIVATION |
                    ComboBoxCellEditor.DROP_DOWN_ON_TRAVERSE_ACTIVATION);
            return editor;
        }
        case VALUE: {
            final Field field = asField(element);
            if (getNode().getProperty(field.getPropertyName()).isMultiple()) {
                // then launch the MVPEditor instead of returning an editor here
                return new MVNCellEditor(tableViewer.getTable(), getNode(), field.getPropertyName());
            }
            if (field.getPropertyType()==PropertyType.DATE) {
                return new DateTimeCellEditor(tableViewer.getTable(), getNode(), field.getPropertyName());
            }
            if (field.getPropertyType()==PropertyType.BOOLEAN) {
                return new ComboBoxCellEditor(tableViewer.getTable(), new String[] {"false", "true"}, SWT.READ_ONLY);
            }
            CellEditor editor;
            if (field.getPropertyName().equals("jcr:primaryType")) {
                editor = new TextCellEditor(tableViewer.getTable()) {
                    @Override
                    protected Control createControl(Composite parent) {
                        Text text = (Text) super.createControl(parent);
                        Repository repository = ServerUtil.getDefaultRepository(getNode().getProject());
                        NodeTypeRegistry ntManager = (repository==null) ? null : repository.getNodeTypeRegistry();
                        if (ntManager == null) {
                            return text;
                        }
                        try {
                            Collection<String> types = ntManager.getAllowedPrimaryChildNodeTypes(getNode().getParent().getPrimaryType());
                            SimpleContentProposalProvider proposalProvider = new SimpleContentProposalProvider(types.toArray(new String[0]));
                            proposalProvider.setFiltering(true);
                            ContentProposalAdapter adapter = new ContentProposalAdapter(text, new TextContentAdapter(),
                                    proposalProvider, null, null);
                            adapter.setPropagateKeys(true);
                            adapter
                                    .setProposalAcceptanceStyle(ContentProposalAdapter.PROPOSAL_REPLACE);
                            return text;
                        } catch (RepositoryException e) {
                            return text;
                        }
                    }
                };
            } else {
                editor = new TextCellEditor(tableViewer.getTable());
            }
            // value might require a validator depending on the property type
            int propertyType = getNode().getPropertyType(field.getPropertyName());
            switch(propertyType) {
            case PropertyType.STRING:
            case PropertyType.NAME: {
                // no validator needed, any string is OK (for now)
                //TODO: check jcr rules for name
                break;
            }
            case PropertyType.DECIMAL: {
                editor.setValidator(new DecimalValidator(editor));
                break;
            }
            default: {
                // for the rest, no check implemented yet
                //TODO
                break;
            }
            }
            return editor;
        }
        case MULTIPLE: {
            if (element instanceof NewRow) {
                return null;
            }
            return new ComboBoxCellEditor(tableViewer.getTable(), new String[] {"false", "true"}, SWT.READ_ONLY);
        }
        default: {
            throw new IllegalStateException("Unknown columnId: "+columnId);
        }
        }
    }