io.pivotal.pde.demo.tracker.gemfire.CheckInEditor.java Source code

Introduction

Here is the source code for io.pivotal.pde.demo.tracker.gemfire.CheckInEditor.java

Source

package io.pivotal.pde.demo.tracker.gemfire;

import java.util.Date;
import java.util.UUID;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.vaadin.event.ShortcutAction;
import com.vaadin.server.FontAwesome;
import com.vaadin.ui.Button;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.ValoTheme;

/**
 * A simple example to introduce building forms. As your real application is
 * probably much more complicated than this example, you could re-use this form in
 * multiple places. This example component is only used in VaadinUI.
 * <p>
 * In a real world application you'll most likely using a common super class for all your
 * forms - less code, better UX. See e.g. AbstractForm in Virin
 * (https://vaadin.com/addon/viritin).
 */

@Component
public class CheckInEditor extends VerticalLayout {

    private static final long serialVersionUID = 1L;

    private final CheckInRepository repository;

    /* Fields to edit properties in Customer entity */
    TextField plate = new TextField("License Plate");
    TextField location = new TextField("Location");

    /* Action buttons */
    Button save = new Button("Save", FontAwesome.SAVE);
    Button cancel = new Button("Cancel");
    CssLayout actions = new CssLayout(save, cancel);

    @Autowired
    public CheckInEditor(CheckInRepository repository) {
        this.repository = repository;

        addComponents(plate, location, actions);

        // Configure and style components
        setSpacing(true);
        actions.setStyleName(ValoTheme.LAYOUT_COMPONENT_GROUP);
        save.setStyleName(ValoTheme.BUTTON_PRIMARY);
        save.setClickShortcut(ShortcutAction.KeyCode.ENTER);

        // wire action buttons to save, delete and reset
        save.addClickListener(e -> save());
        cancel.addClickListener(e -> cancel());

        setVisible(false);
    }

    public void save() {
        UUID newid = UUID.randomUUID();
        CheckIn c = new CheckIn();
        c.setId(newid.toString());
        c.setPlate(plate.getValue());
        c.setCity(location.getValue());
        c.setTimestamp(new Date());
        repository.save(c);

        if (changeHandler != null)
            changeHandler.onChange();
    }

    public void cancel() {
        setVisible(false);
    }

    public void newCheckIn() {
        plate.clear();
        location.clear();
        setVisible(true);

        // A hack to ensure the whole form is visible
        save.focus();
    }

    public static interface ChangeHandler {
        public void onChange();
    }

    private ChangeHandler changeHandler;

    public void setChangeHandler(ChangeHandler handler) {
        changeHandler = handler;
    }
}