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https://issues.apache.org/jira/browse/WICKET-6407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Grigorov resolved WICKET-6407.
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Resolution: Won't Fix
> AjaxChannel new Type LAST or CheckGroupSelector update
> ------------------------------------------------------
>
> Key: WICKET-6407
> URL: https://issues.apache.org/jira/browse/WICKET-6407
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 7.7.0
> Reporter: Stephan Weck
> Priority: Minor
>
> In our current project we use a Datatable to show user data. In certain cases
> this table could contain more than 50.000 entries. The handling with the
> wicket ajax components is quite good and works ok.
> In my DataTable i have a CheckBox Panel and a CheckGroupSelector in the
> Header of the table. All the elements are added to a CheckGroup.
> To identify which elements are selected in the Group i added an
> AjaxFormChoiceComponentUpdatingBehavior to the Group.
> This works perfect if i select single elements in the tabel.
> Now my problem:
> If i have 100+ Elements in my table and i press the CheckGroupSelector for
> each CheckBox element the onUpdate method of the
> AjaxFormChoiceComponentUpdatingBehavior is triggered. For 100 elements the
> duration is about 3-5 seconds but if i have 1000 elements the ajax request
> are not ending in a realistic time.
> My idea is to add a new AjaxChannel which only handles the last request, or
> as an probably better alternative the Ajax Behavior of the CheckGroupSelector
> schould be changed.
> Clicking on this Checkbox should trigger only an Ajax Call, Select all
> checkboxes in the group and update the Model with all selected elements.
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