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From "Carlin Rogers (JIRA)" <j...@apache.org>
Subject [jira] Created: (BEEHIVE-1162) Resetting the value of TreeElement attribute using TreeHtmlAttributeInfo is not handled correctly.
Date Wed, 06 Dec 2006 18:35:21 GMT
Resetting the value of TreeElement attribute using TreeHtmlAttributeInfo is not handled correctly.
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                 Key: BEEHIVE-1162
                 URL: http://issues.apache.org/jira/browse/BEEHIVE-1162
             Project: Beehive
          Issue Type: Bug
          Components: NetUI
    Affects Versions: 1.0.1, 1.0.2, V.Next
            Reporter: Carlin Rogers
         Assigned To: Carlin Rogers
            Priority: Minor
             Fix For: V.Next


When resetting the value of TreeElement attribute using TreeHtmlAttributeInfo, the AttributeRenderer
still maintains the original attribute in a list and then it is applied to the markup of subsequent
tree items. This is an issue between the TreeElement set of attributes and the AttributeRenderer.

For example, if an attribute is applied to a tree item when the item is selected (via a selectNode()
action) and reset to a different value when a different node is selected, the nodes that follow
will have the old attribute applied to them.

The TreeElement stores the attributes in a List. So trying to reset the attribute value in
another operation using TreeElement.addAttribute() just adds a second entry to the list. For
example, if a "style" attribute has already been set on a tree item and then addAttribute()
is used to to change the value of the attribute on the node, it just adds it to the list.
Now there's two attributes in the TreeElement attribute list with the same name ("style").
This makes the AttributeRenderer behave incorrectly, thinking that the first attribute exists
and needs to be saved for other elements.

There is a workaround for this issue. A page flow developer could call the public TreeElement.getAttributeList()
method and search through the list to see if it contains a TreeHtmlAttributeInfo with the
same attribute name and then reset the value of that attribute.


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