Example usage for com.vaadin.ui Notification Notification

Introduction

In this page you can find the example usage for com.vaadin.ui Notification Notification.

Prototype

public Notification(String caption, String description, Type type)

Source Link

Document

Creates a notification message of the specified type, with a bigger caption and smaller description.

Usage

From source file:org.sensorhub.ui.DefaultModulePanel.java

License:Mozilla Public License

@Override
@SuppressWarnings("serial")
public void build(final MyBeanItem<ModuleConfig> beanItem, final ModuleType module) {
    setSizeUndefined();//from ww  w .  ja v a2s . c o  m
    setWidth(100.0f, Unit.PERCENTAGE);
    setMargin(false);
    setSpacing(true);

    // label with module name
    String moduleName = getTitle(beanItem.getBean());
    Label title = new Label(moduleName);
    title.setStyleName(STYLE_H2);
    addComponent(title);

    // apply changes button
    Button applyButton = new Button("Apply Changes");
    applyButton.setIcon(APPLY_ICON);
    applyButton.addStyleName("apply-button");
    addComponent(applyButton);

    // config form
    final IModuleConfigForm form = getConfigForm(beanItem, module);
    addComponent(form);

    // apply button action
    applyButton.addClickListener(new Button.ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            try {
                form.commit();
                if (module != null)
                    ((IModule<ModuleConfig>) module).updateConfig(beanItem.getBean());
            } catch (Exception e) {
                String msg = "Error while updating module configuration";
                Page page = AdminUI.getInstance().getPage();
                new Notification("Error", msg + '\n' + e.getMessage(), Notification.Type.ERROR_MESSAGE)
                        .show(page);
                //Notification.show("Error", msg + '\n' + e.getMessage(), Notification.Type.ERROR_MESSAGE);
                AdminUI.log.error(msg, e);
            }
        }
    });
}

From source file:org.sensorhub.ui.NetworkAdminPanel.java

License:Mozilla Public License

@SuppressWarnings("serial")
protected void addScannedDevices(final GridLayout form, final ICommNetwork<?> module) {
    // section title
    Label sectionLabel = new Label("Detected Devices");
    sectionLabel.addStyleName(STYLE_H3);
    sectionLabel.addStyleName(STYLE_COLORED);
    form.addComponent(sectionLabel);// w  w  w  .j  a v a 2s. c  o m

    // scan button
    scanButton = new Button("Start Scan");
    scanButton.setIcon(REFRESH_ICON);
    scanButton.addStyleName("scan-button");
    scanButton.setEnabled(module.isStarted());
    form.addComponent(scanButton);

    // device table
    final Table table = new Table();
    table.setWidth(100.0f, Unit.PERCENTAGE);
    table.setPageLength(10);
    table.setSelectable(true);
    table.setImmediate(true);
    table.setColumnReorderingAllowed(false);
    table.addContainerProperty("Name", String.class, null);
    table.addContainerProperty("Type", String.class, null);
    table.addContainerProperty("Address", String.class, null);
    table.addContainerProperty("Signal Level", String.class, null);

    // scan button handler
    scanButton.addClickListener(new Button.ClickListener() {
        @Override
        public void buttonClick(ClickEvent event) {
            try {
                if (!scanning) {
                    scanning = true;
                    scanButton.setCaption("Stop Scan");
                    table.clear();

                    module.getDeviceScanner().startScan(new IDeviceScanCallback() {
                        @Override
                        public void onDeviceFound(final IDeviceInfo info) {
                            AdminUI.getInstance().access(new Runnable() {
                                @Override
                                public void run() {
                                    String itemId = info.getAddress() + '/' + info.getType();
                                    // if address was already detected, refresh info
                                    if (table.containsId(itemId)) {
                                        table.getContainerProperty(itemId, "Name").setValue(info.getName());
                                        table.getContainerProperty(itemId, "Type").setValue(info.getType());
                                        table.getContainerProperty(itemId, "Signal Level")
                                                .setValue(info.getSignalLevel());
                                    } else {
                                        table.addItem(new Object[] { info.getName(), info.getType(),
                                                info.getAddress(), info.getSignalLevel() }, itemId);
                                    }
                                    AdminUI.getInstance().push();
                                }
                            });
                        }

                        @Override
                        public void onScanError(Throwable e) {
                            String msg = "Error during device scan";
                            Page page = AdminUI.getInstance().getPage();
                            new Notification("Error", msg + '\n' + e.getMessage(),
                                    Notification.Type.ERROR_MESSAGE).show(page);
                            AdminUI.log.error(msg, e);
                        }
                    });

                    // automatically stop scan after 30s
                    new Timer().schedule(new TimerTask() {
                        @Override
                        public void run() {
                            stopScan(module);
                        }
                    }, 30000);
                } else {
                    stopScan(module);
                }
            } catch (Exception e) {
                String msg = "Error scanning for devices";
                Page page = AdminUI.getInstance().getPage();
                new Notification("Error", msg + '\n' + e.getMessage(), Notification.Type.ERROR_MESSAGE)
                        .show(page);
                //Notification.show("Error", msg + '\n' + e.getMessage(), Notification.Type.ERROR_MESSAGE);
                AdminUI.log.error(msg, e);
            }
        }
    });

    form.addComponent(table);
}