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Posted to dev@pivot.apache.org by "Noel Grandin (JIRA)" <ji...@apache.org> on 2009/04/13 16:19:15 UTC
[jira] Created: (PIVOT-82) ListButton should allow "null" to be
selected where "null" is an item in the data model
ListButton should allow "null" to be selected where "null" is an item in the data model
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Key: PIVOT-82
URL: https://issues.apache.org/jira/browse/PIVOT-82
Project: Pivot
Issue Type: Bug
Affects Versions: 1.1
Reporter: Noel Grandin
Priority: Minor
Attachments: patch-ListButton.txt
ListButton should allow "null" to be selected where "null" is an item in the data model
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[jira] Resolved: (PIVOT-82) ListButton should allow "null" to be
selected where "null" is an item in the data model
Posted by "Greg Brown (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIVOT-82?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Greg Brown resolved PIVOT-82.
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Resolution: Won't Fix
A null value means "no selection". Applications should use an instance representing an "empty" value in list data rather than an actual null value.
> ListButton should allow "null" to be selected where "null" is an item in the data model
> ---------------------------------------------------------------------------------------
>
> Key: PIVOT-82
> URL: https://issues.apache.org/jira/browse/PIVOT-82
> Project: Pivot
> Issue Type: Bug
> Affects Versions: 1.1
> Reporter: Noel Grandin
> Priority: Minor
> Attachments: patch-ListButton.txt
>
>
> ListButton should allow "null" to be selected where "null" is an item in the data model
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[jira] Updated: (PIVOT-82) ListButton should allow "null" to be
selected where "null" is an item in the data model
Posted by "Noel Grandin (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIVOT-82?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Noel Grandin updated PIVOT-82:
------------------------------
Attachment: patch-ListButton.txt
Fix attached.
> ListButton should allow "null" to be selected where "null" is an item in the data model
> ---------------------------------------------------------------------------------------
>
> Key: PIVOT-82
> URL: https://issues.apache.org/jira/browse/PIVOT-82
> Project: Pivot
> Issue Type: Bug
> Affects Versions: 1.1
> Reporter: Noel Grandin
> Priority: Minor
> Attachments: patch-ListButton.txt
>
>
> ListButton should allow "null" to be selected where "null" is an item in the data model
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[jira] Commented: (PIVOT-82) ListButton should allow "null" to be
selected where "null" is an item in the data model
Posted by "Sandro Martini (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/PIVOT-82?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698757#action_12698757 ]
Sandro Martini commented on PIVOT-82:
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Hi,
in some cases could be useful to have definitions like these:
// generic data structures, to use as placeholder instead of null
public static final Object[] EMPTY_ARRAY = new Object[0];
public static final List EMPTY_LIST = Collections.EMPTY_LIST;
public static final Map EMPTY_MAP = Collections.EMPTY_MAP;
public static final Set EMPTY_SET = Collections.EMPTY_SET;
These are taken for my code, and are related to standard Java Collections, maybe a similar thing could be done inside Pivot Collection classes, and use them as placeholders, when/if required ... or could be moved in some Utility class, but I'd prefer the first approach.
> ListButton should allow "null" to be selected where "null" is an item in the data model
> ---------------------------------------------------------------------------------------
>
> Key: PIVOT-82
> URL: https://issues.apache.org/jira/browse/PIVOT-82
> Project: Pivot
> Issue Type: Bug
> Affects Versions: 1.1
> Reporter: Noel Grandin
> Priority: Minor
> Attachments: patch-ListButton.txt
>
>
> ListButton should allow "null" to be selected where "null" is an item in the data model
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