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PODjango - pass js variable to django view
 

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  1. PODjango - pass js variable to django view
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    <p>My question is related to the Google Maps JavaScript API. More specific the autocomplete function.</p> <p>I've added the autocomplete function as a search bar to my test site and this works fine, but now I want to pass the chosen paramater to a Django view. And here I'm stuck.</p> <p>This is what I have in my template:</p> <pre><code>&lt;script src="https://maps.googleapis.com/maps/api/js?sensor=false&amp;libraries=places"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; function initialize() { var input = document.getElementById('searchTextField'); var autocomplete = new google.maps.places.Autocomplete(input); } google.maps.event.addDomListener(window, 'load', initialize); google.maps.event.addListener(autocomplete, 'place_changed', function() { var place = autocomplete.getPlace(); }); &lt;/script&gt; &lt;form method="post" action=""&gt;{% csrf_token %} &lt;input id="searchTextField" type="text" placeholder="Enter a location" autocomplete="on"&gt; &lt;input type="submit" value="Search" class="postfix button"/&gt; &lt;/form&gt; </code></pre> <p>And this in my view:</p> <pre><code>def homepage(request): if request.method == 'POST': location = request.POST else: location = '' return render_to_response('homepage.html', {'location':location}, context_instance = RequestContext(request)) </code></pre> <p>What I want to do is to pass the variable 'place' to the variable 'location' in my Django view (the var place should contain the lat and lon, and this I want to use then further in Geodjango). The <code>request.POST</code> gives the following: <code>&lt;QueryDict: {u'csrfmiddlewaretoken': [u'4xp3nNwzeITb1zHhkBkSGlZSPtGwmuMB']}&gt;</code> But this I can't use.</p> <p>Is it possible to pass the content of var place to the django view?</p> <p>Thanks for the feedback!</p> <p>EDIT: my workaround for the moment using geopy:</p> <p>Template:</p> <pre><code>&lt;input id="searchTextField" name="searchTextField" type="text" placeholder="Enter a location" autocomplete="on"&gt; </code></pre> <p>View:</p> <pre><code>if request.method == 'POST': location = request.POST.get('searchTextField') gn = geocoders.Google() place, (lat, lng) = gn.geocode(location) </code></pre> <p>Still looking for a way to access the <code>var place</code> in the <code>script</code>. Is this possible?</p>
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    1. COCreate a hidden field, and set its value to `place` using javascript; and trigger populating of this using jquery on form's submit button.
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      1. USBurhan Khalid
    2. COWhat @BurhanKhalid said. You need to use javascript to get the place value into the form, then when you submit the form it will be sent to your Django view and you can access it the same way... `request.POST.get('place')`.
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      1. USkaty lavallee
    3. COThx for the reply. Add the end of the script I added the following: `document.getElementById('place').value = autocomplete.getPlace();` and in the `form` I inserted an extra input field: `<input id="place" name="place" type="text" />`. But the value of field `place` remains empty. Is this because the `var place` is not calculated before the form is submitted?
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