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package com.vaadin.demo.reservation.simple;
import java.util.Calendar;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import com.vaadin.data.Container;
import com.vaadin.data.Item;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.demo.reservation.CalendarField;
import com.vaadin.demo.reservation.ResourceNotAvailableException;
import com.vaadin.ui.Button;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.DateField;
import com.vaadin.ui.Label;
import com.vaadin.ui.OrderedLayout;
import com.vaadin.ui.TextField;
import com.vaadin.ui.Window;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
public class StdView extends OrderedLayout {
private ComboBox resources = new ComboBox("Select resource");
private CalendarField reservations = new CalendarField();
private Button add = new Button("Add reservation");
private SimpleReserver application;
private EditorWindow editor = new EditorWindow();
StdView(SimpleReserver app) {
setWidth("250px");
application = app;
resources.setImmediate(true);
resources.setFilteringMode(ComboBox.FILTERINGMODE_CONTAINS);
resources
.setContainerDataSource(application.getDb().getResources(null));
resources.setItemCaptionMode(ComboBox.ITEM_CAPTION_MODE_PROPERTY);
resources.setItemCaptionPropertyId(SampleDB.Resource.PROPERTY_ID_NAME);
resources.addListener(new ComboBox.ValueChangeListener() {
public void valueChange(ValueChangeEvent event) {
refreshReservations();
}
});
addComponent(resources);
initCalendarFieldPropertyIds(reservations);
Calendar c = Calendar.getInstance();
reservations.setValue(c.getTime());
reservations.setEnabled(false);
addComponent(reservations);
reservations.setImmediate(true);
add.setEnabled(false);
addComponent(add);
add.addListener(new Button.ClickListener() {
public void buttonClick(ClickEvent event) {
if (resources.getValue() != null) {
Item i = resources.getItem(resources.getValue());
editor.newReservationFor(i);
}
}
});
add.setDescription("Add new reservation for selected resource");
}
private static void initCalendarFieldPropertyIds(CalendarField cal) {
cal.setItemStyleNamePropertyId(SampleDB.Resource.PROPERTY_ID_STYLENAME);
cal
.setItemStartPropertyId(SampleDB.Reservation.PROPERTY_ID_RESERVED_FROM);
cal.setItemEndPropertyId(SampleDB.Reservation.PROPERTY_ID_RESERVED_TO);
cal
.setItemTitlePropertyId(SampleDB.Reservation.PROPERTY_ID_RESERVED_BY);
cal
.setItemDescriptionPropertyId(SampleDB.Reservation.PROPERTY_ID_DESCRIPTION);
}
private void refreshReservations() {
if (resources.getValue() == null) {
reservations.setContainerDataSource(null);
add.setEnabled(false);
reservations.setEnabled(false);
} else {
List resource = new LinkedList();
resource.add(resources.getItem(resources.getValue()));
final Container res = application.getDb().getReservations(resource);
reservations.setContainerDataSource(res);
add.setEnabled(true);
reservations.setEnabled(true);
}
}
public class EditorWindow extends Window {
Label resourceName = new Label();
DateField start = new DateField("From:");
DateField end = new DateField("To:");
TextField desc = new TextField("Description:");
Button save = new Button("Save");
private Item res;
private Calendar cal;
EditorWindow() {
super("Add reservation");
cal = Calendar.getInstance();
addComponent(resourceName);
start.setResolution(DateField.RESOLUTION_MIN);
start.setImmediate(true);
start.setValue(new Date());
start.addListener(new ValueChangeListener() {
public void valueChange(ValueChangeEvent event) {
Date startTime = (Date) start.getValue();
Date endTime = (Date) end.getValue();
if (endTime.before(startTime)) {
cal.setTime(startTime);
cal.add(Calendar.HOUR_OF_DAY, 1);
end.setValue(cal.getTime());
}
}
});
addComponent(start);
end.setResolution(DateField.RESOLUTION_MIN);
end.setImmediate(true);
end.setValue(new Date());
end.addListener(new ValueChangeListener() {
public void valueChange(ValueChangeEvent event) {
Date startTime = (Date) start.getValue();
Date endTime = (Date) end.getValue();
if (endTime.before(startTime)) {
cal.setTime(endTime);
cal.add(Calendar.HOUR, -1);
start.setValue(cal.getTime());
}
}
});
addComponent(end);
addComponent(desc);
addComponent(save);
save.addListener(new ClickListener() {
public void buttonClick(ClickEvent event) {
try {
application.getDb().addReservation(res,
application.getUser().toString(),
(Date) start.getValue(), (Date) end.getValue(),
(String) desc.getValue());
EditorWindow.this.close();
refreshReservations();
} catch (ResourceNotAvailableException e) {
getWindow()
.showNotification(
"Resource is not available at that time "
+ "or is too close to another reservation.");
}
}
});
}
public void newReservationFor(Item resource) {
res = resource;
resourceName.setValue("Resourse: "
+ res.getItemProperty(SampleDB.Resource.PROPERTY_ID_NAME)
.getValue());
cal.setTime((Date) reservations.getValue());
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.MILLISECOND, 0);
cal.set(Calendar.SECOND, 0);
start.setValue(cal.getTime());
cal.add(Calendar.HOUR_OF_DAY, 1);
end.setValue(cal.getTime());
StdView.this.getWindow().addWindow(this);
}
}
public void refreshData() {
resources
.setContainerDataSource(application.getDb().getResources(null));
refreshReservations();
}
}
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