datagrid body is disappeared!! height is zero!!

[tong123123]

in normal.jpg, the datagrid can shown correctly, the height is 180px and when render, the datagrid header height is 30px and the body is 150px.
but when the whole dockLayoutPanel is embedded in a TabLayoutPanel, the datagrid body become zero as shown in embedded.jpg!!
what is the cause?

and I check api, there is DataGrid.Style, but I cannot find how to use it, any example could be given? I think this is related to setting the style of DataGrid.

[tong123123]

I created the layout of the "central runtime Debug Log" tab in onLoad() method, I found that if I select the "central runtime Debug Log" tab programmatically in onModuleLoad() method, the datagrid can be shown with the scrollbar disappear as attached (scrollbar.jpg).

If in onModuleLoad() method, I do not select the "central runtime debug Log" tab programmatically or if I select it and then select other tab programmatically, then the datagrid cannot be shown.

so
1) is the strange problem related to I placed the build layout code in the DockLayoutPanel(the panel in the tab "central runtime debug log") onLoad method?
2) why the scrollbar will be disappeared?
3) why the datagrid body will be disappeared if I do not programmatically select the tab in onModuleLoad() method (I suspect am I wrong to place the UI creation code in onLoad() method?)

[tong123123]

I see the following link
http://code.google.com/p/google-web-toolkit/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Type%20Status%20Owner%20Milestone%20Summary%20Stars&groupby=&sort=&id=7065

and I follow the suggestion to add a SelectionHandler to the TabLayoutPanel, but the result is the datagrid scrollbar is not shown. I also add the comment to the above link.

I am using GWT 2.4

[ashwin....@gmail.com]

do you place your grid directly on the layoutPanel or is it inside other panels like HTMLPanel etc?

I have had similar issues with loosing the size of the panel, In my case since I was using absolute positioning, I forced position of my grid on code to over come the issue.

myGrid.getElement().getStyle().setPosition(Position.ABSOLUTE);

Regards

Ashwin

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[tong123123]

DataGrid inside a FlexTable which is then inside a DockLayoutPanel.
it seem it is a bug of DataGrid inside a DockLayoutPanel as mentioned in
http://code.google.com/p/google-web-toolkit/issues/detail?can=2&start=0&num=100&q=&colspec=ID%20Type%20Status%20Owner%20Milestone%20Summary%20Stars&groupby=&sort=&id=7065
but the provided workaround (add a selectionHandler in TabLayoutPanel and then redraw the DataGrid) is not worked properly, the scrollbar inside the DataGrid is not shown.

[ashwin....@gmail.com]

datagrid inside a flex table would not invoke the resize of the grid. Add a resizelayoutPanel inside your dockLayout, override the resize method and set the height of the grid.

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[Thomas Broyer]

Probably a silly question but why don't you just update to GWT 2.5? 

[Juan Pablo Gardella]

See http://code.google.com/p/google-web-toolkit/issues/detail?id=6996

It is only happen with IE?

2013/1/14 tong123123 <tong1...@gmail.com>

[Kei Kei]

finally I give up and change back to use celltable inside a scrollpanel.
client do not want to upgrade to GWT 2.5, so upgrade is not possible.
it happen in IE9 and FF13.