public void createControl()

in plugins/org.apache.geronimo.st.v21.ui/src/main/java/org/apache/geronimo/st/v21/ui/wizards/DBPoolWizard.java [405:522]
104 lines of code
8 McCabe index (conditional complexity)

    public void createControl(Composite parent) {
        Composite composite = new Composite(parent, SWT.NULL);
        GridLayout layout = new GridLayout();
        layout.numColumns = 2;
        composite.setLayout(layout);
        GridData data = new GridData();
        // data.verticalAlignment = GridData.FILL;
        data.horizontalAlignment = GridData.FILL;
        data.widthHint = 300;
        composite.setLayoutData(data);

        Group basicGroup = new Group(composite, SWT.NONE);
        basicGroup.setText(CommonMessages.basicGroup);
        GridLayout gridLayout = new GridLayout();
        gridLayout.numColumns = 4;
        data = new GridData();
        data.horizontalAlignment = GridData.FILL;
        data.grabExcessHorizontalSpace = true;
        // data.grabExcessVerticalSpace = true;
        data.horizontalSpan = 2;
        basicGroup.setLayout(layout);
        data.grabExcessHorizontalSpace = true;
        basicGroup.setLayoutData(data);
        Label label = new Label(basicGroup, SWT.LEFT);
        label.setText(CommonMessages.poolName);
        GridData labelData = new GridData();
        labelData.horizontalAlignment = GridData.FILL;
        label.setLayoutData(labelData);
        text[0] = new Text(basicGroup, SWT.BORDER);
        GridData textData = new GridData(GridData.HORIZONTAL_ALIGN_FILL
            | GridData.VERTICAL_ALIGN_FILL);
        textData.grabExcessHorizontalSpace = true;
        textData.widthHint = 100;
        text[0].setLayoutData(textData);
        label = new Label(basicGroup, SWT.LEFT);
        label.setText(CommonMessages.dbType);
        label.setLayoutData(labelData);
        combo = new Combo(basicGroup, SWT.DROP_DOWN | SWT.READ_ONLY);
        combo.setLayoutData(textData);
        combo.add("Derby Embedded");
        combo.add("Derby Embedded XA");
        combo.select(1);
        label = new Label(basicGroup, SWT.LEFT);
        label.setText(CommonMessages.dbName);
        label.setLayoutData(labelData);
        text[1] = new Text(basicGroup, SWT.BORDER);
        text[1].setLayoutData(textData);

        Group driverGroup = new Group(composite, SWT.NONE);
        driverGroup.setText(CommonMessages.driverGroup);
        driverGroup.setLayout(layout);
        driverGroup.setLayoutData(data);
        List list = new List(driverGroup, SWT.BORDER | SWT.MULTI
            | SWT.V_SCROLL);
        GridData listData = new GridData(SWT.FILL, SWT.FILL, true, true);
        list.setLayoutData(listData);
        listViewer = new ListViewer(list);
        listViewer.setContentProvider(new IStructuredContentProvider() {
        public Object[] getElements(Object element) {
            return ((java.util.List<?>) element).toArray();
        }

        public void dispose() {
        }

        public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
        }
        });
        listViewer.setInput(getInput());
        MenuManager popupMenu = new MenuManager();
        Action helpAction = new Action(Messages.dbAddNewDriver) {
        public void run() {
            DriverDialog dialog = new DriverDialog(Display.getCurrent()
                .getActiveShell());
            dialog.open();
            if (dialog.getReturnCode() == 0) {
            if (dialog.getDependency() != null) {
                dependencies.add(dialog.getDependency());
                listViewer.refresh();
            }
            }
        }
        };
        popupMenu.add(helpAction);
        Menu menu = popupMenu.createContextMenu(list);
        list.setMenu(menu);

        // if edit a pool,the info must be filled into wizard
        if (eObject != null && ExtModule.class.isInstance(eObject)) {
        ExtModule extModule = (ExtModule) eObject;

        try {
            ConnectiondefinitionInstance conndefInstance = ((JAXBElement<Connector>) extModule
                .getAny()).getValue().getResourceadapter().get(0)
                .getOutboundResourceadapter()
                .getConnectionDefinition().get(0)
                .getConnectiondefinitionInstance().get(0);
            text[0].setText(conndefInstance.getName());
            java.util.List<ConfigPropertySetting> configPropertySettingList = conndefInstance
                .getConfigPropertySetting();
            for (ConfigPropertySetting cps : configPropertySettingList) {
            if (cps.getName().equals("DatabaseName")) {
                text[1].setText(cps.getValue());
            }
            }

            // there need some improvement
            list.setSelection(new int[] { 0 });
            listViewer.refresh();

        } catch (Exception e) {
            e.printStackTrace();
        }
        }

        setControl(composite);

    }