blob: 3af415217cb2dae96f768081b6bda09343bc9d7a (
plain)
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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
package com.vaadin.tests.containers.sqlcontainer;
import java.sql.SQLException;
import com.vaadin.Application;
import com.vaadin.data.Container.ItemSetChangeEvent;
import com.vaadin.data.Container.ItemSetChangeListener;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Form;
import com.vaadin.ui.HorizontalSplitPanel;
import com.vaadin.ui.UI.LegacyWindow;
import com.vaadin.ui.Table;
public class CheckboxUpdateProblem extends Application
implements Property.ValueChangeListener {
private final DatabaseHelper databaseHelper = new DatabaseHelper();
private Table testList;
private final HorizontalSplitPanel horizontalSplit = new HorizontalSplitPanel();
private TestForm testForm = new TestForm();
@Override
public void init() {
setMainWindow(new LegacyWindow("Test window"));
horizontalSplit.setSizeFull();
testList = new Table();
horizontalSplit.setFirstComponent(testList);
testList.setSizeFull();
testList.setContainerDataSource(databaseHelper.getTestContainer());
testList.setSelectable(true);
testList.setImmediate(true);
testList.addListener(this);
databaseHelper.getTestContainer().addListener(
new ItemSetChangeListener() {
@Override
public void containerItemSetChange(ItemSetChangeEvent event) {
Object selected = testList.getValue();
if (selected != null) {
testForm.setItemDataSource(testList
.getItem(selected));
}
}
});
testForm = new TestForm();
testForm.setItemDataSource(null);
horizontalSplit.setSecondComponent(testForm);
getMainWindow().setContent(horizontalSplit);
}
@Override
public void valueChange(ValueChangeEvent event) {
Property<?> property = event.getProperty();
if (property == testList) {
Item item = testList.getItem(testList.getValue());
if (item != testForm.getItemDataSource()) {
testForm.setItemDataSource(item);
}
}
}
private class TestForm extends Form implements Button.ClickListener {
private final Button save;
private TestForm() {
setSizeFull();
setBuffered(true);
setInvalidCommitted(false);
save = new Button("Save", this);
getFooter().addComponent(save);
getFooter().setVisible(false);
}
@Override
public void buttonClick(ClickEvent event) {
if (event.getSource() == save) {
super.commit();
try {
databaseHelper.getTestContainer().commit();
getMainWindow().showNotification("Saved");
} catch (SQLException e) {
e.printStackTrace();
}
}
}
@Override
public void setItemDataSource(Item newDataSource) {
super.setItemDataSource(newDataSource);
if (newDataSource != null) {
getFooter().setVisible(true);
} else {
getFooter().setVisible(false);
}
}
}
}
|
