backbone/marionette attaching HTML into a region - templates

I'm beginning to use Marionette within an existing backbone application. I've got some HTML which I want to append into a region. In pure backbone, I could just do this.$el.append(html_code) and that was all. As far as I can see, marionette regions allow only to operate on views (which have to implement the render method). Calling append on marionette region throws 'undefined method' errors.
Is it possible to attach plain HTML to a marionette region?

No, it's not possible to inject plain html into a Marionette.Region.
Theoretically you could access a regions DOM element with someRegion.el or someRegion.getElement(), but this must be done after rendering (which at least isn't possible inside a Marionette.View with standard behaviour).
But you can achieve the desired result by using a specially crafted Marionette.ItemView:
#someRegion.show(new Marionette.ItemView({template: '<h1>gach</h1>'}));
You maybe also should have a look at Marionette.Renderer .

a Marionette ItemView will look for a template and will call render on that template, so when you show the view in the region the html will be displayed just fine with out the need of you defining a render method.
MyImtemView = Backbone.Marionete.ItemView.extend({
template : "#myTemplate"
});
var myItemView = new MyItemView();
myLayout.aregion.show(myItemview);
this should work if you save your html in a template like this
`<script id="myTemplate" type="text/template">
<div><p>your html<p>
</div>
`
EDIT
you can also declare a render function in your view in case you need to generate and modify your html like this.
MyImtemView = Backbone.Marionete.ItemView.extend({
template : "#myTemplate",
render : function (){
this.$el.append(HMTL); //so here you work your html as you need
}
});
var myItemView = new MyItemView();
myLayout.aregion.show(myItemview); //the render function of your view will be called here

I ran into the same problem and tried the answers explained here, but I'm also using require.js and kept getting an error for the #my_view template not being found. If anyone can clarify where does Marionette look up the templates by default, that would be great.
Instead, I solved it by using the text.js plugin for underscore.js. This way you actually can use a plain html file as the template, without the need for nesting it in a script tag. Here's how I did it.
define(['backbone', 'underscore', 'marionette', 'text!tmpl/my_view.html'], function(Backbone, _, Marionette, view_t){
var MyView = Backbone.Marionette.ItemView.extend({
template : function(serialized_model) {
//define your parameters here
param1 = erialized_model.param1;
return _.template(view_t)({
param1: param1
});
}
});
return MyView;
});
I placed the text.js plugin in the same lib directory as all my other js libraries and my main.js for require declares the path to the templates as
'tmpl': '../../templates',
My project structure looks like this
root
index.html
js
main.js
app
App.js
views
MyView.js
lib
require.js
text.js
backbone.js
underscore.js
jquery.js
backbone.marionette.js
templates
my_view.html
My template 'my_view.html' simply looks like this.
<h1>THIS IS FROM THE TEMPLATE!!!</h1>
Worked perfectly. I hope you find it useful.

Using a view
var myHtml = '<h1>Hello world!</h1>';
var myView = new Marionette.ItemView({template: _.constant(myHtml)});
myRegion.show(myView);
Marionette.Renderer.render takes either a function or the name of a template (source code). _.constant creates a function that returns the passed-in parameter.
Attaching HTML
Alternately, the docs for Marionette.Region mention overriding the attachHtml method, see Set How View's el Is Attached.

Related

Extending template blocks in Phoenix framework for custom css/js in the templates [duplicate]

I am looking to add additional layout parameters like the #inner for the layout. For example #title for the <title>#title</title> and an area for onload javascript for individual pages.
window.onload = function () {
#onload_js
}
These are set in the layout, so I am not sure the best way to handle these in Phoenix. Thanks :D.
For the page title, you can simply pass a value through from your controller:
def edit(conn, params) do
render(conn, "edit.html", page_title: "Edit The Thing")
end
<head>
<title><%= assigns[:page_title] || "Default Title" %></title>
</head>
Note that this uses assigns[:page_title] instead of #page_title or assigns.page_title as they will error if the :page_title key is not present in assigns.
For including templates (your script example) there is render_existing/3 (and the docs for the same function in the latest version of Phoenix).
The documentation gives a similar example to what you requested so I have copied it here for convenience:
Consider the case where the application layout allows views to dynamically render a section of script tags in the head of the document. Some views may wish to inject certain scripts, while others will not.
<head>
<%= render_existing view_module(#conn), "scripts.html", assigns %>
</head>
Then the module for the #inner view can decide to provide scripts with either a precompiled template, or by implementing the function directly, ie:
def render("scripts.html", _assigns) do
"<script src="...">"
end
To use a precompiled template, create a scripts.html.eex file in the templates directory for the corresponding view you want it to render for. For example, for the UserView, create the scripts.html.eex file at web/templates/user/.

Smarty include template in both php and javascript (using Smarty and JSmart)

I am trying to use a single smarty template in both PHP and JavaScript. This works great but I'm trying to figure out how I can use an {include file=""} tag in the template when the JavaScript side expects an element ID and the PHP side expects a file path?
Do the element IDs have to match the path I will use when on the PHP side?
OK I worked out how to do this, I overwrote the js prototype method for jsmart that requests a template by id:
jSmart.prototype.getTemplate = function () {}; // Add your method here
That way I can control what to do with the id including mapping it to a template element with a different ID from the passed path.
I know this question looks old, but would like to answer your question since I came across this question via Google and may happen with many others.
xyz.tpl - Template to be included.
Hello {$name}
pqr.tpl - parent template.
There you see the message
{include file='./xyz.tpl'}
Now in Javascript section of a web page define
jSmart.prototype.getTemplate = function (name) {
// Load template content here of template 'name' via ajax or DOM. Say here in the e.g. it would be './xyz.tpl'.
};
Now just call the parent template
<script>
var tplData = <content of pqr.tpl>; // You can load data in this via ajax or from DOM.
var tplObj = new jSmart(tplData);
var output = tplObj.fetch({'name': 'World'});
alert(output);
</script>
Source:-
https://github.com/umakantp/jsmart/wiki/Include-Templates

Inject variable from the views to my angular controller?

I'm trying to create a website with articles. I have a page that displays a list of all the articles, and I try to do one that displays the detail of an article. I use angular.js to get the json of my datas. I don't have any problem to get the list of my articles since I only need to do :
function ArticleListCtrl($scope, $http) {
$http.get('/articles/?format=json').success(function(data) {
$scope.articles = data;
});
}
But now I only want to access for example the article with id 4. How do I do that ? Is there a way to inject the primary key entered in the url into the javascript ? I'm new to angular, and I'm pretty sure there is an easy way!
If I understand correctly, what you need is to define a partial template and a route,
for the detail view of your article.
An example is here
More specifically what you'd need is something like the following.
angular.module('myapp', []).
config(['$routeProvider', function($routeProvider) {
$routeProvider.
when('/articles/:articleId', {templateUrl: 'partials/article-detail.html', controller: ArticleDetailCtrl}).
otherwise({redirectTo: '/articles'});
}]);
What the above does, is to hijack urls of the form /articles/5/ and instead of actually
performing that GET request to your server, it will just ask for partials/article-detail.html. This of course will be your article detail template, which will be handled
by your ArticleDetailCrtl controller.
In your ArticleDetailCrtl controller function, don't forget to include the $routeParams
service. This will give you access to the url parameters, such as articleId, which we
defined above.
The final thing to do is to generate these links in your article list template. e.g:
<ul>
<li ng-repeat="article in articles">{{article.title}}
</ul>

Dynamically create view

I'm generating a list of views that the client should cycle through on the server. The server returns a list of something like 'App.AView', 'App.BView', 'App.CView", ..., etc. that refer to views and templates on the client.
I'd like to dynamically create these views, swap out the previous view, and include the new view. My first though was to compile a handlebars template with this dynamic view name, ala:
App.QuestionView = Em.View.extend({
template: function() {
return Ember.Handlebars.compile("{{view " + this.get("view_name') + "}}");
}
});
Which works, but seems ugly - is there a way to create a view with a string of the view name in Ember.JS and replace an existing view in a parent view with that view?
You want to look at Ember.ContainerView, which will let you programmatically manage a set of child views. Container View's documentation is excellent, check out: http://emberjs.com/api/classes/Ember.ContainerView.html
Since it sounds like you only ever want one view displayed at a time you can focus on the currentView property, which will automatically maintain your childViews array for displaying a single view.
Also here is an example: http://www.emberplay.com/#/workspace/2792969430

Ember.js Strip Binding Tags

Is there a way to strip binding tags from an ember.js infused handlebars template? I would like to be able to extract just the html without any of the metamorph script tags.
I have this related question but wanted to ask this more general question as well.
You can use the unbound Handlebars helper to do this at the individual property level.
There is work being done on an #unbound block helper, which would be nice for what you're trying to do: https://github.com/emberjs/ember.js/pull/321
Another approach is to, in your views, specify a plain Handlebars template. None of the output will be bound.
App.UnboundView = Ember.View.extend({
template: Handlebars.compile("output is: {{msg}} here"),
msg: "not bound"
});
Here's a jsFiddle example: http://jsfiddle.net/ebryn/zQA4H/
Here's a better way
{{unbound propertyName}}
http://emberjs.com/api/classes/Ember.Handlebars.helpers.html#method_unbound
In case anyone needs this functionality, I created a small jquery plugin to do it:
# Small extension to create a clone of the element without
# metamorph binding tags and ember metadata
$.fn.extend
safeClone: ->
clone = $(#).clone()
# remove content bindings
clone.find('script[id^=metamorph]').remove()
# remove attr bindings
clone.find('*').each ->
$this = $(#)
$.each $this[0].attributes, (index, attr) ->
return if attr.name.indexOf('data-bindattr') == -1
$this.removeAttr(attr.name)
# remove ember IDs
clone.find('[id^=ember]').removeAttr('id')
clone
Still hoping there is a better way.