how to compile dynamic html code including Angularjs? - asp.net

<div id="divProductItems"></div>
above div will be filled with some html + angularjs elements later after an ajax call from a seperate js file. But angularjs codes are not working properly at the moment. how can I fix this problem
function getProductItems() {
var productSelected = $('#hdnSelectedProducts').val();
callActionWithJson("/Item/ProductItem", function (data) {
$("#divProductItems").html(data); // here I add the dynamic code to the above div and (data) contains the dynamic html + angularjs directives
filterProductItem();
}, null, "pricingLevelId", $("#ddlPricingLevel").val(), "searchItem", $("#txtSearchItem").val(), "productId", (productSelected.length != null ? productSelected : 0));
}

You will need to compile the html you are inserting into the <div> take a look at the $compile documentation - https://docs.angularjs.org/api/ng/service/$compile

Need to inject $compile in your controller.
$compile($('#divProductItems'))($scope);

Related

Meteor - TRIPLE template tag is not allowed in an HTML attribute error

I got error message when trying to run existing meteor project.
$meteor
=> Started proxy.
=> Started MongoDB.
=> Errors prevented startup:
While building the application:
client/coinmx.html:169: TRIPLE template tag is not allowed in an HTML attribute
...title="Totals: {{{get...
^
In Meteor 0.8, it's possible to return a Javascript object which is directly rendered into HTML attributes versus earlier versions, where you had to render it yourself.
Old version:
<input name={{name}} title={{title}}>
helpers:
Template.foo.name = "fooName";
Template.foo.title = "fooTitle";
New version:
<input {{attributes}}>
helpers:
Template.foo.attributes = {
name: "fooName",
title: "fooTitle"
};
All of these can be functions, and reactive, etc. Because the object is rendered directly into attributes, there is no need for you to SafeString some manually rendered content as before. This is the recommended way to go if need to render HTML attributes.
See also the following for how conditional attributes work under this scheme:
https://github.com/meteor/meteor/wiki/Using-Blaze#conditional-attributes-with-no-value-eg-checked-selected
The error is pretty much explanatory: you cannot use {{{something}}} inside a HTML attribute, you need to use {{something}} instead. Depending on what the something is (it's not known from your question as you didn't provide the code), that's either all you need to do, or you can achieve similar functionality by returning new Handlebars.SafeString("result") from your helper instead of just "result". However, if you do, you need to be super sure that the thing you'll return won't break the HTML structure.
Hugo's answer above gave me the missing piece I needed for the same issue-- triple stashes in 0.8 no longer supported. Here is an example that hopefully helps.
Where you might have had {{{resolve}}} in your template, you would now do:
<template name='thing'>
<ol>
{{#each all}}
{{resolve}}
{{/each}}
</ol>
<template>
The helper code then makes use of Spacebars.SafeString which looks to be preferred with Blaze:
Template.thing.helpers({
all: function () {
return Things.find();
},
resolve: function () {
var result = "<li>";
for (var i = 0; i < this.arrayOfClassNames.length; ++i)
result += <'div class='" + this.arrayOfClassNames[i] + "'></div>";
result += "</li>";
return new Spacebars.SafeString(result);
}
});
The key here is to return the 'new Spacebars.SafeString(result)' to wrap your HTML (which must be well formed).

how to properly handle dom ready for Meteor

I am currently using iron-router and this is my very first attempt to try out the Meteor platform. I has been running into issues where most of the jquery libraries failed to initialized properly because the of the way Meteor renders html, $(document).ready() fires before any templates are rendered. I am wondering is there any callbacks from Meteor/iron-router that allows me to replace the jQuery's dom ready?
Also, how should I (easily and properly) handle the live update of the dom elements if some of them are customized by jQuery/javascript?
This is what i am currently doing, i feel like it is very hackish and probably would run into issues if the elements got updated after the initialization.
var jsInitalized = false;
Router.map(function () {
this.route('', {
path: '/',
layoutTemplate: 'default',
after: function(){
if(!jsInitalized){
setTimeout(function(){
$(document).ready( function() { $$$(); });
}, 0);
jsInitalized = true;
}
}
});
}
With Meteor you generally want to think about when a template is ready, not when the dom is ready.
For example, let's say you want to use the jQuery DataTables plugin to add sorting to a table element that's created by a template. You would listen to the template's rendered event and bind the plugin to the dom:
HTML:
<template name="data_table">
<table class="table table-striped" id="tblData">
</table>
</template>
JavaScript:
Template.data_table.rendered = function () {
$('#tblData').dataTable();
};
Now anytime the template is re-rendered (for example, if the data changes), your handler will be called and you can bind the jQuery plugin to the dom again.
This is the general approach. For a complete example (that includes populating the table with rows) see this answer.
Try making a separate .js file, call it rendered.js if you'd like. and then;
Template.layout.rendered = function ()
{
$(document).ready(function(){console.log('ready')});
}
I use template layout, but you can do Template.default.rendered. I hope that helps.
Also take a look at this part of documentation, especially the Template.events; http://docs.meteor.com/#templates_api
I use Meteor v0.8.0 with Iron Router (under Windows 7) and here is how I handle 'DOM ready':
When I want to modify the DOM after a specific template has been rendered:
I use Template.myTemplateName.rendered on the client side :
Template.blog.rendered = function()
{
$('#addPost').click(function()
{
...
});
}
When I want to modify the DOM after any new path has been rendered:
I use Router.onAfterAction, but there seems to be a trick:
Router.onAfterAction(function()
{
setTimeout(function()
{
$('.clickable').click(function()
{
...
});
}, 0);
});
Notice the setTimeout(..., 0), it doesn't work for me otherwise (DOM empty).
Notice that you can use onAfterAction on specific path, but most of the time I think it is redundant with the Template.myTemplateName.rendered method above.
What seems to be missing:
A way to modify the DOM after any template has been rendered.

Excluding bootstrap from specific routes in Meteor

I was hoping anyone could give some input on this,
I'm creating a meteor app in which I would like to use bootstrap to creating the admin environment, but have the visitor facing side using custom css. When I add the bootstrap package to my app using meteor it's available on every page, is there a way to restrict the loading of bootstrap to routes that are in '/admin' ?
When you add bootstrap package it's not possible. You can, however, add bootstrap csses to public directory and then load them in a header subtemplate that will only be rendered when you're in the dashboard.
EDIT
But then how would you go about creating seperate head templates?
Easy:
<head>
...
{{> adminHeader}}
...
</head>
<template name="adminHeader">
{{#if adminPage}}
... // Put links to bootstrap here
{{/if}}
</template>
Template.adminHeader.adminPage = function() {
return Session.get('adminPage');
}
Meteor.router.add({
'/admin': function() {
Session.set('adminPage', true);
...
}
});
DISCLAIMER: I am unsure of a 'meteor way' to do this, so here is how I would do it with plain JS.
jQuery
$("link[href='bootstrap.css']").remove();
JS - Credit to javascriptkit
function removejscssfile(filename, filetype){
var targetelement=(filetype=="js")? "script" : (filetype=="css")? "link" : "none" //determine element type to create nodelist from
var targetattr=(filetype=="js")? "src" : (filetype=="css")? "href" : "none" //determine corresponding attribute to test for
var allsuspects=document.getElementsByTagName(targetelement)
for (var i=allsuspects.length; i>=0; i--){ //search backwards within nodelist for matching elements to remove
if (allsuspects[i] && allsuspects[i].getAttribute(targetattr)!=null && allsuspects[i].getAttribute(targetattr).indexOf(filename)!=-1)
allsuspects[i].parentNode.removeChild(allsuspects[i]) //remove element by calling parentNode.removeChild()
}
}
removejscssfile("bootstrap.css", "css")
However, doing that would complete remove it from the page. I am not sure whether meteor would then try to readd it when a user goes to another page. If that does not automatically get readded, then you have an issue of bootstrap not being included when someone goes from the admin section to the main site, which would break the look of the site.
The way I would get around that would be to disable and enable the stylesheets:
Meteor.autorun(function(){
if(Session.get('nobootstrap')){
$("link[href='bootstrap.css']").disabled = true;
}else{
$("link[href='bootstrap.css']").disabled = false;
}
});
There my be other bootstrap resources which may need to be removed, take a look at what your page is loading.
To use jQuery in the same way but for the javascript files, remember to change link to script and href to src
From my tests, Meteor does not automatically re-add the files once they have been removed so you would need to find some way of re-adding them dynamically if you want the same user to be able to go back and forth between the main site and the admin site. Or simply if the http referrer to the main site is from the admin, force reload the page and then the bootstrap resources will load and everything will look pretty.
P.s. make sure you get the href correct for the jQuery version
If somebody is interested in including any js/css files, I've written a helper for it:
if (Meteor.isClient) {
// dynamic js / css include helper from public folder
Handlebars.registerHelper("INCLUDE_FILES", function(files) {
if (files != undefined) {
var array = files.split(',');
array.forEach(function(entity){
var regex = /(?:\.([^.]+))?$/;
var extension = regex.exec(entity)[1];
if(extension == "js"){
$('head').append('<script src="' + entity + '" data-dynamicJsCss type="text/javascript" ></script>');
} else if (extension == "css"){
$('head').append('<link href="' + entity + '" data-dynamicJsCss type="text/css" rel="stylesheet" />');
};
});
}
});
Router.onStop(function(){
$("[data-dynamicJsCss]").remove();
});
}
Then simply use:
{{INCLUDE_FILES '/css/html5reset.css, /js/test.js'}}
in any of your loaded templates :)

How to get element content by id from HTML object by JavaScript ( JQuery )

i write the following code to access page "JQueryPage.aspx" and get data from it using jQuery
<script type="text/javascript">
$.get
(
"JQueryPage.aspx",
function(data) {
alert("Data Loaded: " + data);
}
);
</script>
"JQueryPage.aspx" is just a page that contain DIV called 'resultsDIV' that contain the data that i want to return
the above code return data variable that contain "JQueryPage.aspx" html and i want to get DIV content from it ..
i have 2 questions:
1- how can i extract DIV content from data object
2- is this way is th best to get that data ?
Try using something like this:
<script type="text/javascript">
$.get
(
"JQueryPage.aspx", function(html) {
var page = $(html);
var div = $('#div1', page);
}
);
</script>
you can also look into the $.load function
Jsut wrap the data in a call to jquery and you can use it like you would normally:
$.get
(
"JQueryPage.aspx",
function(data) {
var dataDom = $(data);
$(someSelector, dataDom).each(function(){
alert($(this).html());
});
}
);
If the html markup of JQueryPage.aspx is valid xml, you can use dom parser to get the required div.
It depends - if all you want is to add the retrieved html to the existing DOM using a call to document.appendChild, yes. But if you need to parse and read values from the retrieved data, no, this is not. Pass data as a JSON string or xml.

jQuery: Loading an external page using AJAX, then calling insertAfter() into table row

I'm trying to load some content into a table using insertAfter(), but the content I'm trying to load is html (output from an asp.net page) that I'm getting using AJAX.Load().
From my understanding, insertAfter() works like this: $("htmlcodehere").insertAfter("selector"). AJAX.Load() works like this: $("selector").load("Html/file"). How would I merge these two so that it loads the html (perhaps without adding it to any existing element?) then inserts that data using insertAfter()?
Bara
I try to explain me better with another answer:
$(document).ready(function(){ //If you want to load it immediately. Anyway, you execute this code after an event
$.get("file.html", //Make an ajax request to this file
function(data){ //data is the file.html content
$("table").append(data); //Or other operations like this to inject the html content into the table
})
})
You can use the $.get or $.post to get the html and add a function on success that uses the insertAfter function to inject the code into the table
You could use JQuery's $.get like this:
$.get("html/file", {}, function(obj) {
htmlData = obj.data;
$(htmlData).insertAfter("selector");
}, "html");
Thanks to some help from mck89, this is what I ended up using:
$.ajax({
url: "/test2.html",
cache: false,
success: function(data, data2) {
if (data2 == "success")
{
$(data).hide().insertAfter(row);
}
}
});
Thanks a lot for the help!
Bara

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