blob: add6ee478010d23eadceda076d56a8da445d7eb7 (
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
|
/*
@VaadinApache2LicenseForJavaFiles@
*/
package com.vaadin.terminal.gwt.client;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTML;
import com.vaadin.terminal.gwt.client.ui.VOverlay;
public class VErrorMessage extends FlowPanel {
public static final String CLASSNAME = "v-errormessage";
public VErrorMessage() {
super();
setStyleName(CLASSNAME);
}
public void updateMessage(String htmlErrorMessage) {
clear();
if (htmlErrorMessage == null || htmlErrorMessage.length() == 0) {
add(new HTML(" "));
} else {
// pre-formatted on the server as div per child
add(new HTML(htmlErrorMessage));
}
}
/**
* Shows this error message next to given element.
*
* @param indicatorElement
*/
public void showAt(Element indicatorElement) {
VOverlay errorContainer = (VOverlay) getParent();
if (errorContainer == null) {
errorContainer = new VOverlay();
errorContainer.setWidget(this);
}
errorContainer.setPopupPosition(
DOM.getAbsoluteLeft(indicatorElement)
+ 2
* DOM.getElementPropertyInt(indicatorElement,
"offsetHeight"),
DOM.getAbsoluteTop(indicatorElement)
+ 2
* DOM.getElementPropertyInt(indicatorElement,
"offsetHeight"));
errorContainer.show();
}
public void hide() {
final VOverlay errorContainer = (VOverlay) getParent();
if (errorContainer != null) {
errorContainer.hide();
}
}
}
|
