I have a list of a few hundred Twitter oembed URLs but I don't know how to implement the GET requests of a list of ids in a view.
Edited - OP was using URLS, not ids.
<div class="tweets">
{% for id in ids %}
<script language="JavaScript" type="text/javascript">
$(".tweets").append(<div id="tweet" tweetID={{ id }}>)
</script>
<script sync src="https://platform.twitter.com/widgets.js"></script>
<script>
window.onload = (function(){
var tweet = document.getElementById("tweet");
var id = tweet.getAttribute("tweetID");
twttr.widgets.createTweet(
id, tweet,
{
conversation : 'none', // or all
cards : 'hidden', // or visible
linkColor : '#cc5443', // default is blue
theme : 'light' // or dark
})
.then (function (el) {
el.contentDocument.querySelector(".footer").style.display = "none";
});
});
</script>
{% endfor %}
</div>
I'm trying to loop through a list of tweet ids and embed them. How do I make the JQuery loop through to create a div for each list item?
RapydML and Rapydscript
are what I was looking for. First, I created a nodeenv env. Now, I'm rewriting the above code in pythonic javascript and pythonic html.
Related
I try to extend my custom User model as described here.
This works fine for the shown fields like ModelChoiceField and CharField.
My goal now is to add a RTF field (the control like the one shown in the Page model). I have looked through the source code of wagtail and found the method get_rich_text_editor_widget which is being used in conjunction with a CharField. Sadly I get a JavaScript error:
Uncaught TypeError: Cannot read property 'initEditor' of undefined
My guess now is that I somehow need to include or modify a hook for the widget. Or is it sufficient to override the JavaScript block in a template? It feels a bit hacky right now and I am stuck with including the required JS, that's why I am posting the question. Maybe I am missing something trivial.
# ...
from wagtail.admin.rich_text import get_rich_text_editor_widget
class CustomUserEditForm(UserEditForm):
position = forms.ModelChoiceField(queryset=Position.objects, required=True, label=_('Position'))
# biography = forms.Textarea()
biography = forms.CharField(widget=get_rich_text_editor_widget())
Update:
Updating my template (maybe not the right approach):
{% block js %}
{{ block.super }}
<script type="text/javascript" src="/static/wagtailadmin/js/draftail.js"></script>
{% endblock js %}
Results in:
I've written my solution up as an issue for draftail
https://github.com/springload/draftail/issues/450
I've got a wagtail site with this awesome RichText Editor (called Draftail) but trying to use it on a non Wagtail Admin page makes me feel dirty. I wanted a biography field that people could write about themselves and I wanted the blog authors to be able to use it as well. BUT to do that I've had to do some things that make me cringe.
Not bad:
{% block extra_css %}
<link href="{% static 'wagtailadmin/css/panels/draftail.css' %}" type="text/css" media="all" rel="stylesheet">
{% endblock extra_css %}
WTF???? why aren't we just using Favicons for things like Bold
<div data-sprite></div>
<script>
function loadIconSprite() {
var spriteURL = '{% url "wagtailadmin_sprite" %}';
var revisionKey = 'wagtail:spriteRevision';
var dataKey = 'wagtail:spriteData';
var isLocalStorage = 'localStorage' in window && typeof window.localStorage !== 'undefined';
var insertIt = function (data) {
var spriteContainer = document.body.querySelector('[data-sprite]');
spriteContainer.innerHTML = data;
}
var insert = function (data) {
if (document.body) {
insertIt(data)
} else {
document.addEventListener('DOMContentLoaded', insertIt.bind(null, data));
}
}
if (isLocalStorage && localStorage.getItem(revisionKey) === spriteURL) {
var data = localStorage.getItem(dataKey);
if (data) {
insert(data);
return true;
}
}
try {
var request = new XMLHttpRequest();
request.open('GET', spriteURL, true);
request.onload = function () {
if (request.status >= 200 && request.status < 400) {
data = request.responseText;
insert(data);
if (isLocalStorage) {
localStorage.setItem(dataKey, data);
localStorage.setItem(revisionKey, spriteURL);
}
}
}
request.send();
} catch (e) {
console.error(e);
}
}
loadIconSprite();
</script>
Because wagtail comments.js somehow needs wagtailConfig.ADMIN_API and draftail won't initialize without comments.js
<script>
(function(document, window) {
window.wagtailConfig = window.wagtailConfig || {};
wagtailConfig.ADMIN_API = {
PAGES: '',
DOCUMENTS: '',
IMAGES: '',
{# // Use this to add an extra query string on all API requests. #}
{# // Example value: '&order=-id' #}
EXTRA_CHILDREN_PARAMETERS: '',
};
{% i18n_enabled as i18n_enabled %}
{% locales as locales %}
wagtailConfig.I18N_ENABLED = {% if i18n_enabled %}true{% else %}false{% endif %};
wagtailConfig.LOCALES = {{ locales|safe }};
wagtailConfig.STRINGS = {% js_translation_strings %};
wagtailConfig.ADMIN_URLS = {
PAGES: ''
};
})(document, window);
</script>
<script src="{% static 'wagtailadmin/js/vendor/jquery-3.5.1.min.js' %}"></script>
<!-- <script src="{% static 'wagtailadmin/js/core.js' %}"></script> strangely not needed -->
<script src="{% static 'wagtailadmin/js/vendor.js' %}"></script>
<script src="{% static 'wagtailadmin/js/comments.js' %}"></script>
{{ form.media.js }}
All of this just to get the draftail editor on a non wagtail admin page!
I'm trying to build some menu using React and need some Django reverse urls in this menu. Is it possible to get django url tag inside JSX? How can this be used?
render: function() {
return <div>
<ul className={"myClassName"}>
<li>Menu item</li>
</ul>
</div>;
}
You could create a script tag in your page to inject the values from Django into an array.
<script>
var menuItems = [
{title: 'Menu Item', url: '{% url "my_reverse_url" %}'},
{title: 'Another Item', url: '{% url "another_reverse_url" %}'},
];
</script>
You could then pass the array into the menu through a property.
<MyMenu items={menuItems}></MyMenu>
Then loop over it to create the list items in your render method.
render: function(){
var createItem = function(itemText) {
return <li>{itemText}</li>;
};
return <ul>{this.props.items.map(createItem)}</ul>;
}
This will keep your component decoupled and reusable because the logic for creating the data and the logic for displaying the list items is kept separate.
I'm making my first webapp using python and flask, it is a simple calculator but I'm currently stuck trying to use more than one button. At the beginning it was abe just to show a graph, here is the python code:
class FormulaForm(Form):
formula = StringField('formula')
graph = SubmitField('graph')
#app.route('/')
def calculate():
form = FormulaForm()
formula = request.args.get('formula','')
points = mp.make_points(formula,0,7)
comp = make_plot(points[0],points[1])
return render_template('index.html',the_script=comp[0],the_div=comp[1],form=form)
And here is the html code:
<form method="GET" action="">
<br />
{{ form.formula }}
<br />
{{ form.graph }}
</form>
So far so good. But I don't know how to add more functionality, for example I would like to add a button that shows the formula evaluated at some value x. I tried adding an extra inputfield and an extra button in the form, something like this:
class FormFormula(Form):
formula = StringField('formula')
graph = SubmitField('graph')
evaluate = StringField('evaluate_at')
evaluate = SubmitField('evaluate')
But then I don't know how to make the view handle two different actions.
I think I found a solution here but it only works when the method is "POST" and that makes the page reload which I don't want. So, is there a way to use multiple buttons in the same view?
#app.route('/start' ,methods=['POST'])
def stop():
"process done here"
return Something
Your app.py like this and and html file this
<script src="static/js/ajax.js"></script>
<script type="text/javascript" language="javascript">
$(document).ready(function() {
$("#start").click(function(event){
$.post(
"/start",
function(data) {
window.alert(data);
}
);
});
});
</script>
<button id ="start" type="button" value = "Load Data">Start</button>
I was trying to make a Backbone Application with Django at its backend. I was following a Backbone tutorial. I used the following code:
Code
<!doctype html>
<html lang = "en">
<meta charset = "utf-8">
<title>IstreetApp</title>
<link rel="stylesheet" href = "https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.1/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<h1>Book Manager</h1>
<hr />
<div class="page"></div>
</div>
<script type = "text/template" id = "booklist.template">
</script>
<script src = "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script src = "https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.4.4/underscore-min.js"></script>
<script src = "https://cdnjs.cloudflare.com/ajax/libs/backbone.js/0.9.10/backbone-min.js"></script>
<script>
$.ajaxPrefilter( function( options, originalOptions, jqXHR ) {
options.url = 'http://backbonejs-beginner.herokuapp.com' + options.url;
});
var Books = Backbone.Collection.extend({
url: '/books'
});
var BookList = Backbone.View.extend({
el: '.page',
render: function () {
var that = this;
var books = new Books();
books.fetch({
success: function(books) {
var template = _.template($('#booklist.template').html(), {books: books.models});
that.$el.html(template);
}
})
}
});
var Router = Backbone.Router.extend({
routes: {
'': 'home'
}
})
var bookList = new BookList();
var router = new Router();
router.on('route:home', function () {
bookList.render();
});
Backbone.history.start();
</script>
</body>
</html>
Since the collection is not defined, the success code doesn't execute. I suppose the collection data should come from the server through Django but I am not sure how and in what form. Kindly help. I am pretty much new to backbone and Django.
When you call fetch on your collection, it makes an AJAX request to:
http://backbonejs-beginner.herokuapp.com/books
However, there is no API set up there. Either one of two things needs to happen:
1) you need to modify your code to point to a different URL, one that does have an existing API (perhaps whatever tutorial you are using has such an API)
2) you need to create such an API yourself on yoursever.com (and then make your Backbone code point to that API's URL instead)
Without a server to support it, operations like save and fetch and such in Backbone simply cannot function.
As a side note, Django is a web site framework. While you can use it to create server-side APIs, that's not really Django's focus. Because of this, several good third party libraries exist for doing RESTful APIs (ie. the kind that Backbone likes) in Django; personally I'd recommend either Django REST Framework (I use it and it works great) or TastyPie (never used it, but it's very popular).
When using a backbone collection you need to return a json array of objects from your api url (http://backbonejs-beginner.herokuapp.com/books)
Example
{[{"name":"bookname", "publisher": "penguin"}, {"name":"bookname", "publisher":"penguin"}]}
You'll also want a model for your collection. A model would look like this
Example:
var Book = Backbone.Model.extend({
defaults: {
"name": "",
"publisher": ""
}
});
The way that the collection works is by parsing the json array and turning each object in the array in to a model that you specific (in this instant an individual book with values for the name and publisher).
When you make a .fetch() on your model you are making a GET request, so make sure that your http://backbonejs-beginner.herokuapp.com/books url is prepared to receive GET requests and respond with the json data in the format I specified up top.
I have a view which returns a chained object of 3 models
def test(request):
output=itertools.chain(
model1.objects.all(),
model2.objects.all(),
model3.objects.all()
)
return render_to_response('test.html', {'output':output})
In the html, I added an anchor and a jQuery script, which should replace the #output with new values just from model1
<html>
<head>...</head>
<body>
<script>
$(document).ready(function() {
$("#switch").click(function() {
$.ajax({
url: $(this).attr("href"),
success: function(result) {
//whatever I put here is not triggered
}
});
});
});
</script>
<a id="switch" href="?model=1">switch to model 1</a>
<div id="output">
{% for item in output %}
<div id="{{item}}">
{{item}}
</div>
{% endfor %}
</div>
</body>
</html>
I tried to put the div#output into a separate template output.html and modified the views.py like so:
def test(request, template='test.html'):
if request.GET.get('model'):
output=model1.objects.all()
else:
output=itertools.chain(
model1.objects.all(),
model2.objects.all(),
model3.objects.all()
)
if request.is_ajax(): template='output.html'
return render_to_response(template, {'output':output})
But everytime I click the link, the whole page is refreshed (with the new values from model1).
Opera returns just the output.html
Been struggling with this for more than 3 days, Im new into Ajax and this is getting very confusing for me.
I hope someone can shed some light!
First, make sure that your view works and that you're getting the expected HTML output when accessing the url directly (you might also want to comment out if request.is_ajax() temporarily).
Then, try replacing the content of the #output div using jQuery.html() method in your ajax call. Here is an example with some animation:
$.ajax({
...
success: function( returnedData ) {
$("#output").css("color", "red").fadeOut(500, function() {
$("#output").html(returnedData);
$(this).css("color", "green").fadeIn(500);
});
}
Also, try monitoring your ajax call using Firebug/Chrome Developer Tools - both tools will allow you to quickly determine the issue.
Thanks to Daniel Rosman for the heads-up I had to prevent the default action of the a#switch. It works like butter now!
Here is the initial question: how to access jQuery.ajax() get parameters in Django views