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Subject: Re: TableViewRowEditor and New Records
From: Greg Brown <gkbrown@mac.com>
In-reply-to: <200909150924.24054.lists@sael.com.au>
Date: Mon, 14 Sep 2009 19:28:05 -0400
Message-id: <32D50CF2-45E7-4B23-AB66-AE0760BEFC3F@mac.com>
References: <200909141122.31605.lists@sael.com.au>
 <200909150814.24808.lists@sael.com.au>
 <9F1181CC-B79D-4E42-A130-43743C984576@mac.com>
 <200909150924.24054.lists@sael.com.au>
To: pivot-user@incubator.apache.org

It is specified by the "compiler.debug" property in the build script.  
You can modify the script directly, but I think there is also a way to  
override the value via the command line (not sure of the syntax,  
though).


On Sep 14, 2009, at 7:24 PM, Scott Lanham wrote:

> Which ant target turns debug info on?
>
> On Tue, 15 Sep 2009 08:48:36 am Greg Brown wrote:
>> Hi Scott,
>>
>> Just wondering what specifically you needed to modify in ListButton  
>> to
>> accept a -1 value? -1 should already have been a valid value for
>> setSelectedIndex() - were you finding otherwise?
>>
>> Would it be possible for you to build Pivot with debug info turned  
>> on?
>> That way we can see specific line numbers when error like this occur.
>>
>> Thanks,
>> Greg
>>
>> On Sep 14, 2009, at 6:14 PM, Scott Lanham wrote:
>>> I have modified ListButton to simply accept -1 as a valid index and
>>> everything
>>> works great on that front. But there is another problem. If a new
>>> row is added
>>> to the TableView via the associated Dictionary and the
>>> TablieViewRowEditor is
>>> immediately invoked on that new row the error below occurs:
>>>
>>> Exception in thread "AWT-EventQueue-0"
>>> java.lang.IndexOutOfBoundsException
>>>       at org.apache.pivot.collections.ArrayList.get(Unknown Source)
>>>       at org.apache.pivot.wtk.Container.validate(Unknown Source)
>>>       at org.apache.pivot.wtk.Display$ValidateCallback.run(Unknown
>>> Source)
>>>       at java.awt.event.InvocationEvent.dispatch
>>> (InvocationEvent.java:209)
>>>       at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
>>>       at
>>> java.awt.EventDispatchThread.pumpOneEventForFilters
>>> (EventDispatchThread.java:269)
>>>       at
>>> java.awt.EventDispatchThread.pumpEventsForFilter
>>> (EventDispatchThread.java:184)
>>>       at
>>> java.awt.EventDispatchThread.pumpEventsForHierarchy
>>> (EventDispatchThread.java:174)
>>>       at
>>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 
>>> 169)
>>>       at
>>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 
>>> 161)
>>>       at java.awt.EventDispatchThread.run(EventDispatchThread.java:
>>> 122)
>>> Exception in thread "AWT-EventQueue-0"  
>>> java.lang.NullPointerException
>>>       at
>>> org.apache.pivot.wtk.content.TableViewRowEditor
>>> $2$1.selectedIndexChanged(Unknown
>>> Source)
>>>       at
>>> org.apache.pivot.wtk.CardPane
>>> $CardPaneListenerList.selectedIndexChanged(Unknown
>>> Source)
>>>       at org.apache.pivot.wtk.CardPane.setSelectedIndex(Unknown
>>> Source)
>>>       at
>>> org.apache.pivot.wtk.skin.CardPaneSkin$1.transitionCompleted(Unknown
>>> Source)
>>>       at org.apache.pivot.wtk.effects.Transition$1.run(Unknown
>>> Source)
>>>       at
>>> org.apache.pivot.wtk.ApplicationContext$ScheduledCallback$1.run
>>> (Unknown
>>> Source)
>>>       at java.awt.event.InvocationEvent.dispatch
>>> (InvocationEvent.java:209)
>>>       at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
>>>       at
>>> java.awt.EventDispatchThread.pumpOneEventForFilters
>>> (EventDispatchThread.java:269)
>>>       at
>>> java.awt.EventDispatchThread.pumpEventsForFilter
>>> (EventDispatchThread.java:184)
>>>       at
>>> java.awt.EventDispatchThread.pumpEventsForHierarchy
>>> (EventDispatchThread.java:174)
>>>       at
>>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 
>>> 169)
>>>       at
>>> java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java: 
>>> 161)
>>>       at java.awt.EventDispatchThread.run(EventDispatchThread.java:
>>> 122)
>>>
>>> On Mon, 14 Sep 2009 09:07:18 pm Todd Volkert wrote:
>>>> The update I made to ListButton should be preventing that case -
>>>> did you
>>>> make sure to rebuild the Pivot jars?
>>>>
>>>>   public void setSelectedItem(Object item) {
>>>>       int index = -1;
>>>>
>>>>       if (item != null) {
>>>>           index = ((List<Object>)listData).indexOf(item);
>>>>           if (index == -1) {
>>>>               throw new IllegalArgumentException("\"" + item + "\"
>>>> is not
>>>> a valid selection.");
>>>>           }
>>>>       }
>>>>
>>>>       setSelectedIndex(index);
>>>>   }
>>>>
>>>> If you're getting ["null" is not a valid selection.] with the above
>>>> code,
>>>> then it means that your bind context has the actual String, "null",
>>>> as the
>>>> value to load...
>>>>
>>>> -T
>>>>
>>>> On Mon, Sep 14, 2009 at 12:20 AM, Scott Lanham <lists@sael.com.au>
>>>>
>>>> wrote:
>>>>> Digging a little deeper the ListButton is asking its list data, a
>>>>> custom
>>>>> Dictionary, which index the "null" item belongs to. As the list  
>>>>> data
>>>>> doesn't
>>>>> have a null item, my Dictionary replies -1.
>>>>>
>>>>> On Mon, 14 Sep 2009 01:58:32 pm Scott Lanham wrote:
>>>>>> Okay, made sure SVN is up to date and no blonde moment occuring
>>>>>> ( much
>>>>>> ).
>>>>>>
>>>>>> What I get now is:
>>>>>>
>>>>>> java.lang.IllegalArgumentException: "null" is not a valid
>>>>>> selection.
>>>>>>       at org.apache.pivot.wtk.ListButton.setSelectedItem(Unknown
>>>>>
>>>>> Source)
>>>>>
>>>>>>       at org.apache.pivot.wtk.ListButton.load(Unknown Source)
>>>>>>       at org.apache.pivot.wtk.Container.load(Unknown Source)
>>>>>>       at org.apache.pivot.wtk.content.TableViewRowEditor.edit
>>>>>> (Unknown
>>>>>> Source)
>>>>>>
>>>>>> On Mon, 14 Sep 2009 11:51:59 am Todd Volkert wrote:
>>>>>>> One problem stems from the fact that ListButton.setSelectedItem
>>>>>>> (null)
>>>>>
>>>>> was
>>>>>
>>>>>>> explicitly throwing IllegalArgumentException, when it probably
>>>>>>> should
>>>>>>> have been translating to setSelectedIndex(-1).  I just checked
>>>>>>> in a
>>>>>>> fix for this, so that might fix you up.
>>>>>>>
>>>>>>> So you're creating blank rows, and immediately opening an editor
>>>>>>> on
>>>>>>> the row for the user to populate it with initial values?
>>>>>>>
>>>>>>> Let me know if that check-in fixes the issue.
>>>>>>>
>>>>>>> -T
>>>>>>>
>>>>>>> On Sun, Sep 13, 2009 at 9:22 PM, Scott Lanham  
>>>>>>> <lists@sael.com.au>
>>>>>
>>>>> wrote:
>>>>>>>> Howdy Hi,
>>>>>>>>
>>>>>>>> I have a TableView which displays data from a database table.
>>>>>>>> That
>>>>>
>>>>> data
>>>>>
>>>>>>>> is bound to the TableView using a custom Dictionary. It all  
>>>>>>>> works
>>>>>
>>>>> fine
>>>>>
>>>>>>>> until it is
>>>>>>>> time to add a new record using the TableView and in place  
>>>>>>>> editing
>>>>>>>> it using TableViewRowEditor. Several of the fields in a  
>>>>>>>> TableView
>>>>>>>> row
>>>>>
>>>>> have
>>>>>
>>>>>>>> ListButtons
>>>>>>>> assocated with them to restrict the field values. When the  
>>>>>>>> field
>>>>>
>>>>> value
>>>>>
>>>>>>>> is initially Null, as with a new record, the ListButtons don't
>>>>>>>> like
>>>>>
>>>>> it
>>>>>
>>>>>>>> because Null can't be found in the lists data.
>>>>>>>>
>>>>>>>> Is there any way I can get ListButton to not throw an exception
>>>>>>>> in
>>>>>
>>>>> this
>>>>>
>>>>>>>> case?
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>>
>>>>>>>> Scott.
>