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WOConditionals
WOConditionals allow you to hide and show parts of your HTML.
They are bound to either a boolean or a method that returns a boolean. Depending
on the state of this boolean the HTML inside the borders of the WOConditional
is either displayed or hidden. Generally if the boolean is true then the
HTML is shown. If its false then its hidden. But you can swap this around
so that the HTML is shown if the boolean is flase and hidden if its true.
Clicking
on the + sign of a WOCondtional will change it so that it shows a -.
A +
means that if the value of the boolean bound to the WOConditional equates
to TRUE then that section of the HTML will be shown.
A - means that if the value of the boolean bound to the WOConditional equates to FALSE then that section of the HTML will be shown.
Be careful to make sure your
booleans are set correctly when the page is first loaded so that the correct
elements are shown. One way of doing this is to do this set their values
inside the constructor.
Lect 4 Demo 3 ( Download )
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Page updated September 2, 2004
