Example usage for com.vaadin.server FontAwesome EXTERNAL_LINK_SQUARE

Introduction

In this page you can find the example usage for com.vaadin.server FontAwesome EXTERNAL_LINK_SQUARE.

Prototype

FontAwesome EXTERNAL_LINK_SQUARE

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Usage

From source file:org.opennms.netmgt.bsm.vaadin.adminpage.BusinessServiceTreeTable.java

License:Open Source License

public BusinessServiceTreeTable(BusinessServiceManager businessServiceManager) {
    this.businessServiceManager = Objects.requireNonNull(businessServiceManager);

    setSizeFull();/*w  w w .  j av  a 2s  .com*/
    setContainerDataSource(new BusinessServiceContainer());

    // Add the "LINKS" columns
    addGeneratedColumn("links", new Table.ColumnGenerator() {
        private static final long serialVersionUID = 7113848887128656685L;

        @Override
        public Object generateCell(Table source, Object itemId, Object columnId) {
            final HorizontalLayout layout = new HorizontalLayout();
            final BusinessServiceStateMachine stateMachine = businessServiceManager.getStateMachine();
            final BusinessService businessService = getItem(itemId).getBean().getBusinessService();
            final Status status = stateMachine.getOperationalStatus(businessService);
            if (status != null) {
                // Build the query string
                final List<BasicNameValuePair> urlParms = Lists.newArrayList(
                        new BasicNameValuePair("focus-vertices", businessService.getId().toString()),
                        new BasicNameValuePair("szl", "1"),
                        new BasicNameValuePair("layout", "Hierarchy Layout"),
                        new BasicNameValuePair("provider", "Business Services"));
                final String queryString = URLEncodedUtils.format(urlParms, Charset.forName("UTF-8"));

                // Generate the link
                final Link link = new Link("View in Topology UI",
                        new ExternalResource(String.format("/opennms/topology?%s", queryString)));
                link.setIcon(FontAwesome.EXTERNAL_LINK_SQUARE);
                // This app is typically access in an iframe, so we open the URL in a new window/tab
                link.setTargetName("_blank");
                layout.addComponent(link);
                layout.setComponentAlignment(link, Alignment.MIDDLE_CENTER);
            } else {
                Label label = new Label("N/A");
                label.setDescription("Try reloading the daemon and refreshing the table.");
                label.setWidth(null);
                layout.addComponent(label);
            }
            return layout;
        }
    });

    // add edit and delete buttons
    addGeneratedColumn("edit / delete", new Table.ColumnGenerator() {
        private static final long serialVersionUID = 7113848887128656685L;

        @Override
        public Object generateCell(Table source, Object itemId, Object columnId) {
            HorizontalLayout layout = new HorizontalLayout();
            layout.setSpacing(true);

            Button editButton = new Button("Edit", FontAwesome.PENCIL_SQUARE_O);
            editButton.setId("editButton-" + getItem(itemId).getBean().getName());

            editButton.addClickListener(UIHelper.getCurrent(TransactionAwareUI.class)
                    .wrapInTransactionProxy((Button.ClickListener) event -> {
                        final Long businessServiceId = getItem(itemId).getBean().getBusinessService().getId();
                        BusinessService businessService = businessServiceManager
                                .getBusinessServiceById(businessServiceId);
                        final BusinessServiceEditWindow window = new BusinessServiceEditWindow(businessService,
                                businessServiceManager);
                        window.addCloseListener(e -> refresh());

                        getUI().addWindow(window);
                    }));
            layout.addComponent(editButton);

            Button deleteButton = new Button("Delete", FontAwesome.TRASH_O);
            deleteButton.setId("deleteButton-" + getItem(itemId).getBean().getName());

            deleteButton.addClickListener((Button.ClickListener) event -> {
                final Long businessServiceId = getItem(itemId).getBean().getBusinessService().getId();
                BusinessService businessService = businessServiceManager
                        .getBusinessServiceById(businessServiceId);
                if (businessService.getParentServices().isEmpty()
                        && businessService.getChildEdges().isEmpty()) {
                    UIHelper.getCurrent(TransactionAwareUI.class).runInTransaction(() -> {
                        businessServiceManager.getBusinessServiceById(businessServiceId).delete();
                        refresh();
                    });
                } else {
                    new org.opennms.netmgt.vaadin.core.ConfirmationDialog()
                            .withOkAction((org.opennms.netmgt.vaadin.core.ConfirmationDialog.Action) UIHelper
                                    .getCurrent(TransactionAwareUI.class).wrapInTransactionProxy(
                                            new org.opennms.netmgt.vaadin.core.ConfirmationDialog.Action() {
                                                @Override
                                                public void execute(
                                                        org.opennms.netmgt.vaadin.core.ConfirmationDialog window) {
                                                    businessServiceManager
                                                            .getBusinessServiceById(businessServiceId).delete();
                                                    refresh();
                                                }
                                            }))
                            .withOkLabel("Delete anyway").withCancelLabel("Cancel").withCaption("Warning")
                            .withDescription(
                                    "This entry is referencing or is referenced by other Business Services! Do you really want to delete this entry?")
                            .open();
                }
            });
            layout.addComponent(deleteButton);

            return layout;
        }
    });

    setColumnExpandRatio("name", 5);
    setColumnExpandRatio("links", 1);
    setColumnExpandRatio("edit / delete", 1);
}

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