Issue 1120 - google-web-toolkit - Calling UIObject.setVisible(boolean) on PopupPanel causes error when PopupPanel is not showing

Issue 1120:	Calling UIObject.setVisible(boolean) on PopupPanel causes error when PopupPanel is not showing
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Status:	Fixed
Owner:	rdayal+public@google.com
Closed:	Aug 2007
Type-Defect
Priority-High
Category-UI
Milestone-1_4_RC2
ReviewBy-jgw

Reported by hoosiemama, May 30, 2007

Found in GWT Release: 1.4 RC

Detailed description:
I was using a trick to cause PopupPanels to fade in by setting their
visibility to false, calling show, and then using scriptaculous to fade
them in.  In 1.4 RC this now results in an error.

Workaround if you have one:
None as of yet, still investigating

Links to the relevant GWT Developer Forum posts:
http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/ea863e390cdff405

MyApplication.java
1.3 KB Download

Comment 1 by hoosiemama, May 30, 2007

Error reported in Hosted Mode:

[ERROR] Uncaught exception escaped
com.google.gwt.core.client.JavaScriptException: JavaScript TypeError exception:
'__frame.style' is null or not an object
	at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:481)
	at com.google.gwt.dev.shell.ModuleSpace.invokeNativeVoid(ModuleSpace.java:270)
	at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeVoid(JavaScriptHost.java:137)
	at com.google.gwt.user.client.ui.impl.PopupImplIE6.setVisible(PopupImplIE6.java:68)
	at com.google.gwt.user.client.ui.PopupPanel.setVisible(PopupPanel.java:314)
	at com.mycompany.client.MyApplication.onClick(MyApplication.java:39)
	at
com.google.gwt.user.client.ui.ClickListenerCollection.fireClick(ClickListenerCollection.java:36)
	at com.google.gwt.user.client.ui.FocusWidget.onBrowserEvent(FocusWidget.java:98)
	at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1211)
	at com.google.gwt.user.client.DOM.dispatchEventAndCatch(DOM.java:1194)
	at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1161)
	at com.google.gwt.dev.shell.ie.IDispatchImpl.callMethod(IDispatchImpl.java:126)

Comment 2 by skaflotten, Jun 05, 2007

I get the same error when simply trying to show a popup panel.

In FireFox, it works fine. In IE6, I get "Error: '__frame.style' is null or not an 
object.

This worked fine in 1.3.

Comment 3 by skaflotten, Jun 05, 2007

Clarification: It fails when I call:

    popup.setVisible(true);
    popup.show();

Not when I just call popup.show();

Comment 4 by gwt.team.morrildl, Jun 06, 2007

(No comment was entered for this change.)

Owner: gwt.team.jgw
Labels: -Priority-Medium Priority-High Category-UI Milestone-1_4_RC2

Comment 5 by gwt.team.jgw, Jun 12, 2007

(No comment was entered for this change.)

Owner: gwt.team.rdayal

Comment 6 by gwt.team.rdayal, Jun 12, 2007

This issue is also related to the problem of having to call show() before center()
when  centering a Popup. The result is a "jumpiness" effect.

Another problem has to do with the initial Popup position causing a browser window's
scrollbars to flash whenever a Popup is initially shown.

Here is a link to the thread describing these issues:

http://groups.google.com/group/Google-Web-Toolkit-Contributors/browse_thread/thread/23ee5bd6237dd6b/60c286e78ee8d212

We'll take care of these additional problems as part of this defect.

Comment 7 by gwt.team.jgw, Jun 15, 2007

(No comment was entered for this change.)

Status: Accepted

Comment 8 by gwt.team.rdayal, Jun 22, 2007

(No comment was entered for this change.)

Status: Started

Comment 9 by gwt.team.rdayal, Jun 22, 2007

(No comment was entered for this change.)

Status: ReviewPending
Labels: ReviewBy-jgw

Comment 10 by gwt.team.jgw, Jun 25, 2007

Fix committed as r1201.

Comment 11 by gwt.team.jgw, Jun 25, 2007

(No comment was entered for this change.)

Status: FixedNotReleased

Comment 12 by gwt.team.scottb, Aug 20, 2007

1.4 RC2 now released.

Status: Fixed

Comment 13 by sumitcha...@google.com, May 01, 2008

Owner: rdayal

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