public void createControl()

in application/org.openjdk.jmc.console.ui.notification/src/main/java/org/openjdk/jmc/console/ui/notification/wizard/NameWizardPage.java [89:184]
78 lines of code
11 McCabe index (conditional complexity)

	public void createControl(Composite parent) {
		Composite c = new Composite(parent, SWT.NONE);

		StandardUIBuilder suib = new StandardUIBuilder(c);

		suib.createLabel(Messages.NameWizardPage_RULE_GROUP_NAME_TEXT, null);
		final CCombo combo = suib.createCombo();

		final HashSet<String> names = new HashSet<>();
		HashSet<String> set = new HashSet<>();
		// Collect rules
		for (TriggerRule rule : notificationModel.getAvailableRules()) {
			set.add(rule.getRulePath());
			names.add(rule.getName());
		}

		// Add this rule group if not already added
		if (!set.contains(m_notificationRule.getRulePath())) {
			combo.add(m_notificationRule.getRulePath());
		}

		// Add items to ComboBox
		for (String path : set) {
			combo.add(path);
		}

		// Select the rule group of the edited rule
		for (int i = 0; i < combo.getItems().length; i++) {
			if (m_notificationRule.getRulePath().equals(combo.getItem(i))) {
				combo.select(i);
			}
		}

		combo.addKeyListener(new KeyListener() {
			@Override
			public void keyPressed(KeyEvent e) {
				// ignore
			}

			@Override
			public void keyReleased(KeyEvent e) {
				m_notificationRule.setRulePath(combo.getText());
			}
		});
		combo.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				int index = combo.getSelectionIndex();
				if (index >= 0) {
					m_notificationRule.setRulePath(combo.getText());
				}
			}
		});

		suib.layout();
		suib.createLabel(Messages.NameWizardPage_CAPTION_RULE_NAME_TEXT, null);
		text = suib.createText(m_defaultName, "", SWT.NONE); //$NON-NLS-1$

		text.addModifyListener(new ModifyListener() {
			@Override
			public void modifyText(ModifyEvent e) {
				if (e.getSource() instanceof Text) {
					Text t = (Text) e.getSource();
					String text = t.getText();
					if (names.contains(text)) {
						setPageComplete(false);
						setErrorMessage(
								org.openjdk.jmc.console.ui.notification.tab.Messages.TriggerSectionPart_DIALOG_RULE_EXISTS_MESSAGE_TEXT);
					} else {
						setPageComplete(true);
						setErrorMessage(null);
						m_notificationRule.setName(text);
					}
				}
			}
		});
		// Description header
		suib.layout();
		suib.createLabel(Messages.NameWizardPage_TRIGGER_DESCRIPTION_TEXT, null);

		suib.layout();
		String desc = m_notificationRule.getDescription() == null ? "" : m_notificationRule.getDescription(); //$NON-NLS-1$
		text = suib.createMultiText(desc, ""); //$NON-NLS-1$
		text.addModifyListener(new ModifyListener() {
			@Override
			public void modifyText(ModifyEvent e) {
				if (e.getSource() instanceof Text) {
					Text t = (Text) e.getSource();
					m_notificationRule.setDescription(t.getText());
				}
			}
		});

		suib.layout();
		setControl(c);
	}