[CONF] Apache Wicket: Getting user confirmation (comment added)

[confluence]

Comment Added : WICKET : Re: Getting user confirmation Getting user confirmation commented on by Igor Vaynberg (Jan 09, 2007). Comment: the above use of SimpleAttributeModifier is not appropriate because it overwrites the value, a much better approach would be to insert the confirmation script as the first part of the onclick event ala class _javascript_EventConfirmation extends AbstractBehavior { private final String msg; private final String event; public _javascript_EventConfirmation(Striong event, String msg) { this.msg=msg; this.event=event; } protected void onComponentTag(ComponentTag tag) { String script=tag.getAttributes().get(event); script="if (!confirm('"+msg+"')) return false; "+script; tag.put(event, onclick); }} now you have a reusable behavior that can be attached to links, forms, etc. to improve make msg an IModel

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