1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
package com.vaadin.tests.components.combobox;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.ui.combobox.ComboBoxState;
import com.vaadin.tests.components.AbstractTestUI;
import com.vaadin.tests.util.LoggingItemDataProvider;
import com.vaadin.ui.Button;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;
public class ComboBoxBackEndRequests extends AbstractTestUI {
public static final String PAGE_LENGTH_REQUEST_PARAMETER = "pageLength";
public static final String ITEMS_REQUEST_PARAMETER = "items";
public static final int DEFAULT_NUMBER_OF_ITEMS = 200;
public static final int DEFAULT_PAGE_LENGTH = new ComboBoxState().pageLength;
@Override
protected void setup(VaadinRequest request) {
int pageLength = DEFAULT_PAGE_LENGTH;
int items = DEFAULT_NUMBER_OF_ITEMS;
if (request.getParameter(PAGE_LENGTH_REQUEST_PARAMETER) != null) {
pageLength = Integer.parseInt(
request.getParameter(PAGE_LENGTH_REQUEST_PARAMETER));
}
if (request.getParameter(ITEMS_REQUEST_PARAMETER) != null) {
items = Integer
.parseInt(request.getParameter(ITEMS_REQUEST_PARAMETER));
}
ComboBox<String> cb = new ComboBox<>();
cb.setPageLength(pageLength);
VerticalLayout logContainer = new VerticalLayout();
logContainer.setSpacing(false);
CheckBox textInputAllowed = new CheckBox("textInputAllowed",
cb.isTextInputAllowed());
textInputAllowed.addValueChangeListener(
event -> cb.setTextInputAllowed(textInputAllowed.getValue()));
CheckBox emptySelectionAllowed = new CheckBox("emptySelectionAllowed",
cb.isEmptySelectionAllowed());
emptySelectionAllowed.addValueChangeListener(event -> cb
.setEmptySelectionAllowed(emptySelectionAllowed.getValue()));
CheckBox scrollToSelectedItem = new CheckBox("scrollToSelectedItem",
cb.isScrollToSelectedItem());
scrollToSelectedItem.addValueChangeListener(event -> cb
.setScrollToSelectedItem(scrollToSelectedItem.getValue()));
VerticalLayout options = new VerticalLayout(textInputAllowed,
emptySelectionAllowed, scrollToSelectedItem,
new Button("Swap DataProvider",
event -> cb.setDataProvider(new LoggingItemDataProvider(
500, logContainer))),
new Button("Clear logs",
event -> logContainer.removeAllComponents()));
cb.setDataProvider(new LoggingItemDataProvider(items, logContainer));
Panel panel = new Panel(logContainer);
addComponent(new HorizontalLayout(cb, panel, options));
}
@Override
protected Integer getTicketNumber() {
return 8496;
}
}
|
