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question asked: Apr 05 '10, 7:49 p.m.
question was seen: 9,651 times
last updated: Apr 05 '10, 7:49 p.m.

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Validating input in a WizardPage

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John Doran (91●8●2) | asked Apr 05 '10, 7:49 p.m.
Does anyone have a simple example of validating the input for a text field
in a org.eclipse.jface.wizard.WizardPage? (To prevent the user from going to the next page)

The example I am following is

http://www.eclipse.org/articles/article.php?file=Article-JFaceWizards/index.html

Is this typically how it is done in Jazz?

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Patrick Streule (4.9k●2●1) | answered Apr 06 '10, 4:37 a.m.
JAZZ DEVELOPER
Does anyone have a simple example of validating the input for a text
field
in a org.eclipse.jface.wizard.WizardPage? (To prevent the user from
going to the next page)

You may want to take a look at WizardPage#canFlipToNextPage():


/**
* The <code>WizardPage</code> implementation of this
<code>IWizardPage</code>
* method returns <code>true</code> if this page is complete
(<code>isPageComplete</code>)
* and there is a next page to flip to. Subclasses may override
(extend or reimplement).
*
* @see #getNextPage
* @see #isPageComplete()
*/
public boolean canFlipToNextPage() {
return isPageComplete() && getNextPage() != null;
}

--
Regards,
Patrick
Jazz Work Item Team
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John Doran (91●8●2) | answered Apr 07 '10, 12:49 p.m.
Thank you!

I did 2 things.

In the example, the author has the WizardPage implement Listener.
I use handleEvent() to display Messages to the user
via setMessage() and setErrorMessage(). Also in handleEvent(), I call 

getWizard().getContainer().updateButtons()


I am using canFlipToNextPage() to validate the page in my 1st 2 wizard pages. In my last page, canFlipToNextPage() should be false because there is not a next page.

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