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If
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you
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want
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to
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have
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a
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more
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"web
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2.0"
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validation
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on
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your
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forms
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here
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is
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a
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quick
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way
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to
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do
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it:
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Using
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the
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Wicket
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Example:
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Ajax
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Builtin:
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FormPage
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as
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a
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base,
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the
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onError
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method
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is
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called
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if
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any
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of
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your
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validators
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fail,
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in
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there
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you
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need
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to
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view
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the
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children
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components
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attached
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to
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your
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form
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and
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check
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the
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isValid()
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method
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on
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each
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one to determine if that component passed validation. A really easy to do this is the following:
| Code Block |
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            . A really easy to do this is the following: protected void onError(final AjaxRequestTarget target, Form form) { log.warn                            log.debug("onError Calledcalled"); // Safe way to view the children components...                form.visitFormComponents(new FormComponent.IVisitor() {                                       public void formComponent(FormComponent formComponent) {                        log.debug("Checking: "  + formComponent.getMarkupId() + " " + formComponent.isValid());                                               if (\!formComponent.isValid()){ // If this component failed validation, do something fancy to display it to the user...                            target.addComponent(formComponent);                            target.appendJavascript("new Effect.Shake($('" + formComponent.getMarkupId() + "'));");                        } }); } The above example also adds in JavaScript effects borrowed from the Effects example using the script.aculo.us }                                           }                });            } |
The above example also adds in JavaScript effects borrowed from the Effects example using the script.aculo.us library.