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https://issues.apache.org/jira/browse/CLK-508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695095#action_12695095
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Bob Schellink commented on CLK-508:
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You're absolutely right, using the Javascript submit trick would be more
useful. We should probably add a FormActionLink (or SubmitLink) that manages an
internal HiddenField to post its parameters.
CheckboxTree could also be changed to use this new link as well.
AutoCompleteTextField does in fact use Ajax post, however because the Form
itself is not submitted when editing the Field, Form does not process its child
controls. What we then do is add the Field to the Page in order for Click to
"reach" the control and process it. However as outlined above this doesn't
support the case where two fields with the same name is added.
Btw ClickClick provides a bit better Ajax support by allowing an Ajax control
to register itself to the AjaxControlRegistry, thus Click has direct access to
any registered Ajax control even if that control is nested within a Form.
> Move isFormSubmission check to Field
> ------------------------------------
>
> Key: CLK-508
> URL: https://issues.apache.org/jira/browse/CLK-508
> Project: Click
> Issue Type: Improvement
> Components: core, extras
> Reporter: Bob Schellink
> Assignee: Bob Schellink
> Fix For: 2.1.0
>
>
> Currently Form determines whether its child controls should be processed
> based on whether Form was submitted or not. This restriction works well for
> Fields, however problems arise when adding components such as ActionLink,
> Tables and Trees which need to be processed even when Form is not submitted.
> Ajax based Fields also has this problem and often need to be added to the
> Page in order to be processed.
> This issue will try and address the problem by introducing a new Field method
> called "canProcess". This method will return true if the Form is submitted or
> if its a Ajax request.
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