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Old 07-15-2005, 10:32 PM   #1 (permalink)
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Default FlowFieldManager fails it

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Has anyone had any luck with FlowFieldManager (or HorizontalFieldManager)? Seems no matter what I do the first field added to the manager gets the full width of the parent frame (MainScreen), even though it's an edit field with max chars of 3.

Googling turned up a couple of links which recommended overriding getPreferredWidth() in the edit field, but this has no effect - the method never gets called using HorizontalFieldManager, and the value is ignored using FlowFieldManager.

Has anyone implemented either of these managers successfully (i.e. having more than one edit field on one horizontal row) without requiring custom paint code?
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Old 07-15-2005, 11:00 PM   #2 (permalink)
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Well (to reply to my own post), I've now found a little success overriding the layout() method.. still I'd be interested to share experiences with others who've tried using the various FieldManagers.

I've included the relevant code in case anyone finds it useful. These methods form part of your custom edit field class.

Code:
public int getPreferredWidth()
{
   // If you don't want the field resizing as text is added (an empty field will
   //  have zero input width, therefore), change getText() to some known
   // string, for example the longest string you want displayed.
   return getFont().getAdvance(getLabel() + getText());
}
    
protected void layout(int width, int height)
{
   width = getPreferredWidth();
   height = getPreferredHeight();
   super.layout(width, height);
   super.setExtent(width, height);
}

Last edited by Hackberry : 07-16-2005 at 09:56 AM. Reason: Include sample code
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