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How to Refresh a GUI (FormPage)? [message #540543]

Wed, 16 June 2010 13:26

Ahuga Ahuga

Messages: 14
Registered: June 2010

Junior Member

For the Tabs I use different FormPage's.

On Tab A I have a Table with a TableViewer on Tab B I have some Text Fields.
When the user makes on Tab A a change in the table and want to see the result on the Tab B, how can I get the Tab B to actulize/refresh itself?

I also use a IStructuredContentProvider and a ITableLabelProvider. To set the user changes in the table a use a EditingSupport.

Thanks for your advices.

Martin

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Re: How to Refresh a GUI (FormPage)? [message #540736 is a reply to message #540543]

Thu, 17 June 2010 08:33

T. Wilhelm

Messages: 129
Registered: July 2009

Senior Member

Hi Martin,

i think there are a lot of possibilities. I would recommend to use eclipse Databinding. You can easily bind your model to your Tableviewer, and react on changes on the model. For example you can use ComputedValue to calculate a new value in Tab B which depends on values in Tab A.

Here you can find some information about databinding:

http://www.compeople.de/files/ecm_3.09_barth_schenkel_databi nding.pdf

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Re: How to Refresh a GUI (FormPage)? [message #540830 is a reply to message #540543]

Thu, 17 June 2010 13:03

Sandeep

Messages: 14
Registered: June 2010

Junior Member

The way i do this is something like this :

Create getters (public Text getText()) for your Text Fields and in your Editor file, override the PageChange(int newPageIndex) function
to refresh the Text Fields.

In this way, whenever you will press tab B , you will see their refreshed values.

Cheers,
Sandeep.

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Re: How to Refresh a GUI (FormPage)? [message #540899 is a reply to message #540830]

Thu, 17 June 2010 15:05

Ahuga Ahuga

Messages: 14
Registered: June 2010

Junior Member

Thanks a lot for your informations.

Sandeep, could you send me example code (how you override the PageChange function)?

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Re: How to Refresh a GUI (FormPage)? [message #541029 is a reply to message #540543]

Fri, 18 June 2010 07:04

Sandeep

Messages: 14
Registered: June 2010

Junior Member

Here it goes :

protected void pageChange (int newPageIndex) {
super.pageChange(newPageIndex);

switch(newPageIndex){
case 0: ExamplePage page = (ExamplePage) this.getActivePageInstance();
page.getViewer().refresh();
break;
.
.
.
.
}
}

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