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https://issues.apache.org/jira/browse/DIRSTUDIO-572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12910497#action_12910497
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Stefan Seelmann commented on DIRSTUDIO-572:
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The controls I speak from are used for LDAP searches ([0] contains a list of 
controls supported by ApacheDS and/or Studio with links to RFC, just fyi). They 
can be defined at two levels:

1st: At connection level in the connection properties [1] and wizard [2]. The 
controls that are set here are sent with each search request to the server 
while browsing the DIT. And (as far as I remember) they are used as default 
when creating a new search.

2nd: At search level in the search dialog[3] and properties [4]. In that case 
the controls are sent only for the particular search.

As you see the controls group looks very similar, but is implemented twice. I 
think a first step is to create a reusable widget that can be used in all four 
dialogs. In BrowserParameterPage and SearchPageWrapper we already use some 
custom widgets (LimitWidget, AliasesDereferencingWidget or 
ReferralsHandlingWidget), you can use them as templates.

A special requirement is that the labels and tooltips are different in 
BrowserParameterPage and SearchPageWrapper. That is required because the 
controls may be used differently at connection or search level. For example the 
"subentries" control: If set only subentries are returned by a search, but no 
normal entries. When the checkbox is set at connection level we then do two 
searches, one without the control to get normal entries and one with the contol 
to get subentries. But when the checkbox is set at search level only one search 
request is performed and you either get normal entries only or subentries only.


[0] 
http://directory.apache.org/apacheds/1.5/supported-ldap-controls-extended-operations-and-features.html

[1]
http://directory.apache.org/studio/static/users_guide/ldap_browser/tools_connection_properties.html
http://directory.apache.org/studio/static/users_guide/ldap_browser/images/tools_connection_properties_3.png

[2]
http://directory.apache.org/studio/static/users_guide/ldap_browser/tools_newconnection_wizard.html
http://directory.apache.org/studio/static/users_guide/ldap_browser/images/tools_newconnection_wizard_3.png

[3]
http://directory.apache.org/studio/static/users_guide/ldap_browser/tools_search_dialog.html
http://directory.apache.org/studio/static/users_guide/ldap_browser/images/tools_search_dialog_1.png

[4]
http://directory.apache.org/studio/static/users_guide/ldap_browser/tools_search_properties.html


> Improve Controls widget
> -----------------------
>
>                 Key: DIRSTUDIO-572
>                 URL: https://issues.apache.org/jira/browse/DIRSTUDIO-572
>             Project: Directory Studio
>          Issue Type: Improvement
>          Components: studio-connection, studio-ldapbrowser
>            Reporter: Stefan Seelmann
>             Fix For: 2.0.0
>
>
> We should improve the layout of the "controls" widget. Right now it contains 
> three controls (ManageDsaIT, Subentries, and PagedSearch). If we add more 
> controls this widget could become too big.
> It is also implemented twice, once in the BrowserParameterPage and once in 
> the SearchPageWrapper. It would be better to create a reusable widget.
> We also need a generic way to save controls and its options to the 
> connections.xml and browserconnections.xml. 

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