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bvtest

Example project used to illustrate various problems with using BootstrapValidator from Reagent. The example is a plain luminus new bvtest +cljs template project with BootstrapValidator and jQuery Bootstrap Wizard added, and simple two-page wizard for entering vehicle weights.

The application is found by clicking Weights in the top menu.

  • Fill in vehicle registration number (eg 'a') and click Get weights.

Getting the weights from a registration number almost works, insofar as the fields will contain the new values. The problem is that validation is not triggered when the :value changes. If I set the field value using jQuery, the validation works, but then Reagent doesn't display the value. If I set the :value and set the value using jQuery, then I get correct validation and the value is displayed. What is the reason for this?

Prerequisites

You will need Leiningen 2.0 or above installed.

Running

To start a web server for the application, run:

lein run

Start figwheel from another terminal:

lein figwheel

On the first tab, enter a in Regnr and click Get weights. Total weight is set to 2000 and Unloaded weight is set to 1500. The validation should be saying OK, but the validation framework still thinks the fields are empty. Look at the code:

(defn reset-weights [state params result max-total-weight]
  ;; enable these in order for validation to work
  #_(.val (js/$ "#in-total-weight") (:total-weight @result))
  #_(.val (js/$ "#in-unloaded-weight") (:unloaded-weight @result))

  (swap! state assoc :total-weight (:total-weight @result))
  (swap! state assoc :unloaded-weight (:unloaded-weight @result))
  (print-state 'reset-weights @state @max-total-weight)
  (reset! result nil)
  (reset! params {}))

Let's enable the jQuery calls that also set the value:

(defn reset-weights [state params result max-total-weight]
  ;; enable these in order for validation to work
  (.val (js/$ "#in-total-weight") (:total-weight @result))
  (.val (js/$ "#in-unloaded-weight") (:unloaded-weight @result))

  (swap! state assoc :total-weight (:total-weight @result))
  (swap! state assoc :unloaded-weight (:unloaded-weight @result))
  (print-state 'reset-weights @state @max-total-weight)
  (reset! result nil)
  (reset! params {}))

Now everything works as it should. But why would I need to set the value both ways?

License

Copyright © 2015 @ulsa