Yes this is known problem w/ ClojureScript that could be solved if/when we
get proper Keywords/Symbol types.
David
On Sat, Dec 29, 2012 at 8:46 PM, Patrick Logan <patrickdlo...@gmail.com>wrote:
> From what I can tell, dojo is testing an argument to see whether it has a
> method named "call". dojo seems to be assuming that if such a method
> exists, then the argument will not be a string.
>
> Then clojurescript seems to be assigning a function named "call" to the
> String prototype. And so these two libraries conflict.
>
> I am unsure whether either library is completely to blame. However it
> seems fairly clear that dojo does not intend to invoke "call" on a string.
>
> Changing dojo/on.js, line 83, to
>
> if(type.call && (!type instanceof String)){
>
> does fix the problem. I'll check with the dojo folks on making a change
> along these lines unless someone can suggest a change to clojurescript.
>
> -Patrick
>
>
> On Wednesday, November 28, 2012 9:15:11 PM UTC-8, Brian Nelson wrote:
>>
>> ok. I've had some time to look into this now and have figured out a few
>> things.
>>
>> 1. This is not due to calling the DGrid constructor from clojurescript.
>> It occurs even when I call the DGrid constructor from straight javascript
>> code. So it doesn't have to do with the clojurescript code calling the
>> constructor.
>>
>> 2. The error goes away if I don't require cljs.core. If cljs.core is
>> required then the grid constructor ends up calling back into some code in
>> cljs.core, which is where the error occurs.
>>
>> So I'm a little further down the road but still don't know exactly why
>> doing a goog.require("cljs.core") causes cljs.core to receive events from
>> the DGrid constructor. Digging in with my javascript debugger and will
>> update this as I find out more information.
>>
>>
>>
>> On Monday, November 19, 2012 11:15:54 PM UTC-6, Brian Nelson wrote:
>>>
>>> Hi,
>>>
>>> I'm brand new to ClojureScript and have been trying to get myself
>>> familiarized with it's javascript interop capabilities by implementing
>>> the Dojo toolkit tutorials. I've successfully implemented several of
>>> the tutorials, but now I've run into something that I can't figure out
>>> and am looking for someone to point me in the right direction.
>>>
>>> I am calling the DGrid(Dojo grid) constructor using the function
>>> maingrid
>>>
>>> (ns couchadmin.core
>>> (:use [jayq.util :only [clj->js]])
>>> (:require [clojure.browser.repl :as repl]))
>>>
>>> (defn greet [dom fx]
>>> (let [element (.byId dom "greetingcljs")]
>>> (set! (. element -innerHTML) "Hello from Dojo using
>>> ClojureScript")
>>> (.play (.slideTo fx (clj->js {:top 200 :left 200 :node
>>> element})))))
>>>
>>> (defn maingrid [dom grd]
>>> (do
>>>
>>> (grd. (clj->js {:columns (clj->js {:first "First Name"})}) "grid")
>>> (js/alert "hello world")))
>>>
>>> (defn ^:export main []
>>> (comment (repl/connect "http://localhost:9000/repl";))
>>> (comment (js/require (array "dojo/dom" "dojo/fx" "dojo/domReady!")
>>> greet))
>>> (js/require (array "dojo/dom" "dgrid/Grid" "dojo/domReady!")
>>> maingrid))
>>>
>>>
>>> When the page is loaded the grid is constructed, but afterwards I see
>>> the following javascript exception
>>>
>>> Uncaught Error: No protocol method ILookup.-lookup defined for
>>> type object: [object HTMLDivElement]
>>>
>>> I'm wondering what this message is indicating. Did I call the
>>> constructor incorrectly? Is this an incompatibility with Dojo? Do I
>>> need to implement ILookup somehow? Any help would be greatly
>>> appreciated.
>>>
>>> Brian
>>>
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