I have a select element which I need to retrieve the value of selected option and then set an array's index to that value. I need this to happen on page load and whenever select is updated.
It looks something like:
{{ Form::select('marketplace_id', $donation_options, '', array('data-smart-select', 'required', 'id' => 'marketplace_id')) }}
<span id="market_hint" class="help-block">{{ $marketplaces[0]['example'] }}</span>
The select ID is marketplace_id
The array is $marketplaces and it's a multi-dimension array with the second value always being ['example'] but the first value being the value of the select which is always a number such as 0,1,2,3,etc.
By current javascript can retrieve the value of the select:
$( "#marketplace_id" ).val();
But I am not sure how to proceed to update the array inside the market_hint span tag. Is there a simple method with jQuery?
If you want to go the route of putting the whole array into javascript when php renders the page
?>
<script>
$(function(){
var myData = <?php echo json_encode( $marketplaces ); ?>
$("#marketplace_id").change(function(){
var value = $(this).val();
$("#market_hint").html(myData[value]["example"]);
});
//do a call here to do an initial setting of the span
$("#marketplace_id").change();
});
</script>
Otherwise you will have to do an ajax request to a script that will give you the data
$(function(){
$("#marketplace_id").change(function(){
var value = $(this).val();
$.get("someScript.php?theIndex="+value)
.done(function(response){
$("#market_hint").innerHTML = response;
});
});
});
someScript.php
<?php
$index = isset($_GET["theIndex"]) ? intval($_GET["theIndex"]) : 0;
//do some processing to get the needed data
//...
echo $data;
die;
Of course tailor it to fit in with your laravel framework, just used plain php as I do not overly know laravel
Related
Ok, so I have a text field in which I type a string and I have a button next to it.
<div class="sidebar-search">
<div class="input-group custom-search-form">
<<label for="riot-summoner-input">Search a Summoner</label><br>
<input type="text" id="riot-summoner-input" class="form-control" placeholder="Type summoner name..." style="margin-bottom: 20px">
<button type="button" id="valid-summoner">Search</button>
</div>
</div>
By Clicking on this button, the following script gets executed
let res = {{ summoner.summonerLevel }}
$(document).ready(function() {
// Get value on button click and pass it back to controller
$("#valid-summoner").click(function () {
const summoner_input = $("#riot-summoner-input").val();
console.log(summoner_input)
let url = `/coach/?summonerName=${summoner_input}`
history.replaceState(summoner_input, 'Coach Index', url);
console.log(url)
function loadXMLDoc()
{
document.getElementById("display-summonerLevel").innerHTML = `Summoner Level: <h2>${res}</h2>`
}
loadXMLDoc();
});
});
Now as far as I can understand this will change my page url to include the value inserted in the text field and will send it back to my controller without refreshing the page, which it does.
Now in my Controller I'm using that value to do some logic with it
/**
* #Route("/", name="app_coach_index", methods={"GET"})
*/
public function index(CoachRepository $coachRepository, riotApi $callRiot, Request $request): ?Response
{
$value = $request->request->get('summoner_input');
if($value != null){
$this->debug_to_console($value . "Hi");
return $this->render('coach/index.html.twig', [
'coaches' => $coachRepository->findAll(), 'summoner'=> $this->showSummoner("$value")
]);}
else{
$this->debug_to_console($value);
return $this->render('coach/index.html.twig', [
'coaches' => $coachRepository->findAll()
]);
}
}
Now it's interesting to note that I'm doing this in the index function.
Here's the function I'm calling within the index function which is actually the one that gets the value from the script
/**
* #Route("/?summonerName={summoner_input}", name="show_summoner", methods={"GET"})
*/
public function showSummoner($summoner_input)
{
$call = new ApiClient(ApiClient::REGION_EUW, 'API-KEY-HERE');
return $call->getSummonerApi()->getSummonerBySummonerName($summoner_input)->getResult();
}
Now that I'm seeing this I can see that the issue is I'm getting the value in the showSummoner() function but trying to use it in the index function. Which is why I'm not getting a value when I print it to console and the variable is undefined.
Honestly I can't think of any logic I can do to overcome this issue.
EDIT!!!!!!!
Okay, so I know where the problem is arising, the issue is when I'm calling showSummoner($value) within index function. I'm using $value = $request->query->get('summoner_input');
I thought I was getting that value in the index function when in fact I'm getting it in the showSummoner() function. You can tell by the annotations
For index I don't have a parameter in its url, whereas in showSummoner() I have a parameter in the annotations as such.
/**
* #Route("/?summonerName={summoner_input}", name="show_summoner", methods={"GET"})
*/
This is indeed the fact because I'm using that url in the script as such
let url = `/coach/?summonerName=${summoner_input}`
The reason for this is I can't use the parameter in the index url because then I would have to provide the parameter in all the other places I'm using index in even when I don't have a parameter meaning I didn't search for anything.
I hope this gives more clarification
You're trying to get a value from $_GET global, not $_POST.
You can replace :
$value = $request->request->get('summoner_input');
by:
$value = $request->query->get('summoner_input');
You are trying to access the GET parameter using the wrong name ('summoner_input').
$value = $request->request->get('summoner_input');
When you are setting it as summonerName here:
let url = `/coach/?summonerName=${summoner_input}`
You will also want to pass a default value to check for, as the second parameter.
Try this:
$value = $request->request->get('summonerName', false);
if(false !== $value){
/* the parameter is in the url */
}
How can i get all data-id and amount from this HTML page using jquery. After getting those value... I want to push it to array then post via ajax. This is a laravel project. I am not using Form here.
This is that image, from where I want to get value
//Here is the Html code
<?php $i=1 ?>
#foreach($expanse as $expanse)
<tr>
<td class="text-center">{{$i}}</td>
<td>
<h4 class="expVal" data-id="{{$expanse->id}}">{{$expanse->name}}</h4>
</td>
<td class="text-right">
{{$expanse->rent}}
</td>
</tr>
<?php $i++ ?>
#endforeach
You can get all the data Ids and amount like this
var ids = [],amounts = [];
$(".expVal").each(function(){
ids.push($(this).data('id'));
var b = $(this).parent().next().find('a.expanseRent').text();
amounts.push(b);
})
Another method would be
var datas=[];
$(".expVal").each(function(){
var a = $(this).data('id');
var b = $(this).parent().next().find('a.expanseRent').text();
datas.push(a+":"+b);
})
You can loop through the each .expVal elements in jquery and then you can get the data-id attribute using jquery.
After that, you can push this values into some array.
var data_id_array=[];
$( ".expVal" ).each(function( index ) {
data_id_array.push($(this).attr('data-id'));
});
For rent, add rent in data-rent attribute like this.
{{$expanse->rent}}
then, do same process like this to get rent.
var rent_array=[];
$( ".expanseRent" ).each(function( index ) {
rent_array.push($(this).attr('data-rent'));
});
So, for your output,as you mentioned in comment,loop through the data_id_array array and create json item like you want and push it into the finalArray like this.
var finalArray = [];
var i;
for (i = 0; i < data_id_array.length; ++i) {
var itemArr={};
itemArr[data_id_array[i]] = rent_array[i];
finalArray.push(itemArr);
}
So at the end, finalArray will contain all the items like [{1:1200},{2:3000}] like this.
You can get data-* using jquery's data() like this
$(".expVal").data("id")
*assuming you have .expVal class in each <td>.
var attrs = [];
var vals = [];
$(".expVal").each(function(){
attrs.push($(this).attributes.nodeName);
vals.push($(this).data("id")+":"+$(this).data("rent"));
})
Then pass it into your ajax POST call like this
$.ajax({
type: 'POST',
url: "url",
data: dataIDs
});
You can do a query like, which will return you an object indexed in the order of occurrence of the element in the DOM.
$("[data-id]")
Additionally i would also include the amount as a data attribute in the same element, something like
<h4 class="expVal" data-id="{{$expanse->id}}" data-amount="{{$expanse->rent}}">{{$expanse->name}}</h4>
and now through dataset property you will be able to access,
$("[data-id]")[0].dataset.amount
here is the documentation on the data attribute
https://developer.mozilla.org/en-US/docs/Learn/HTML/Howto/Use_data_attributes
Im having a unusually hard time with this. If I have form that looks like this
HTML
<form id='logForm' method='post' action='seatingProcess.php'>
<span class='close' style='display:none' id='255' desk='9-4' deskval='2-3' changeType='REMOVE'></span>
<span class='close' style='display:none' id='255' desk='7-4' deskval='5-3' changeType='ADD'></span>
<span class='close' style='display:none' id='255' desk='8-4' deskval='8-3' changeType='CHANGE'></span>
<div class='btn btn-primary' type='submit' id='submit'>Submit</div>
</form>
What I want to happen is, when i click the button to submit the form, I want to have an array of the different elements in the span created so it can be sent via AJAX to process in PHP. How do you recommend I do this?
Also, this information will be dynamically created in this form based on user action. They will all be span's but will contain more or less the same attributes with a value attached to them. The idea is for php to receive the arrays and depending on what the attribute "changeType" says, it will generate the SQL script to perform that action. I may need help with this as well.
All I have for javascript. I dont have anything about making the array, thats what I need help with.The HTML above is an example output, but ill post one of the functions that generates the information. :
Javascript
function remDeskId(){
userObject = $dropObject.find('div.dragTest');
userObjectChange = 'REMOVESEAT';
userObjectID = userObject.attr('data-info');
userObjectDeskID = userObject.attr('data-id');
userObjectDeskIDVal = 0;
$('form#logForm').append("<span class='close' style='display:none' id='"+userObjectID+"' desk='"+userObjectDeskID+"' deskval='"+userObjectDeskIDVal+"' changeType='"+userObjectChange+"'></span>");
userObject.attr({"data-id":""}); //remove desk number for new user location
userObject.appendTo('#userPool');
}
$('#submit').click(function(){
// get the form data
// there are many ways to get this data using jQuery (you can use the class or id also)
//var formData = {
// };
// process the form
$.ajax({
type : 'POST', // define the type of HTTP verb we want to use (POST for our form)
url : 'seatingProcess.php', // the url where we want to POST
data : $('#logForm').serialize(), // our data object
})
// using the done promise callback
.done(function(data) {
// log data to the console so we can see
console.log(data);
// here we will handle errors and validation messages
});
// stop the form from submitting the normal way and refreshing the page
event.preventDefault();
});
Thanks in advance
You can iterate through the spans and create an array.
var spans = $('#logForm span');
var data = [];
$.each(spans, function(i, item){
var newItem = {};
newItem.id = $(item).attr('id');
newItem.desk = $(item).attr('desk');
newItem.deskval = $(item).attr('deskval');
newItem.changeType = $(item).attr('changeType');
data.push(newItem);
});
I have created a dynamic table. DEMO to my project.
I have placed this dynamic table in the form under a div named 'box'
<div id="box">
</div>.
I am creating dynamic hidden variables table using Jquery which I need to store in DB. This is how I am creating the hash to submit to server.
criteria = $('form_name').serialize(true);
criteria = Object.toJSON(criteria);
// Build the object to store the parameters for the AJAX post request
parameters = {
title : $('report_title').value,
description : $('report_description').value,
criteria : criteria
}
// Make the AJAX post request
new Ajax.Request( URL, {
method: 'post',
parameters: parameters,
onSuccess: function( response ) {
$('messageSpan').innerHTML = response.responseText;
$('spinner').style.display='none';
}
});
I am not able to capture the dynamically created values in the criteria.
How to solve this?
In the dynamically created section, I tried adding a submit button and see if the values can be fetched. I am able to fetch and iterate all the hidden variables.
$('#jquerysaveButton').click(function(){
jsonObj = [];
$("input[id=rubric_cell]").each(function () {
var id = "cell_" + row + "_" + col;
item = {}
item["id"] = id;
item["selected_rubric"] = $(this).val();
jsonObj.push(item);
});
console.log(jsonObj); //I am getting the required values here
});
How to get these values in the criteria = $('form_name').serialize(true);. Am I doing some thing wrong? Please help me. thanks in advance.
DEMO to my project
You need to make sure that your hidden input fields have a name attribute set otherwise $.serialize will not process them.
I have a select box in an item edit page, which i would like to be populated via an Ajax call with the saved values.
<script type="text/javascript">
$(document).ready(function() {
$('#editPrefabLineclassBox').on('change', function() {
var selected = this.value;
$.ajax({
url: '/edit-prefab/,
type: 'POST',
data: {
csrfmiddlewaretoken: '{{ csrf_token }}',
lineclassSelected: selected
},
success: function(data) {
var name, select, option;
select = document.getElementById('editPrefabNameBox');
select.options.length = 0;
for (name in data) {
if (data.hasOwnProperty(name)) {
select.options.add(new Option(data[name], name));
}
}
}
});
});
})
</script>
The url i am using in the call is /edit-prefab/. The problem i am having is, the url of the page in Django is actually /edit-prefab/{{ material_item.id }}, only i am not sure how to pass this id to javascript to use in the Ajax call. With just the /edit-prefab/, the page is not found.
After populating the select with the list of items, i would like to have preselected the saved values of the item being edited. I am sure i could populate everything as needed. Its just the setting up of the url that has me a little confused
I have tried passing the id of the item through the view to the template with JSON.dumps, and then parse the variable in JS to use in the url, but i keep getting an unexpected column error when parsing, as from what i know only a dict can be parsed correctly with JSON.
Is there anyone who could please help with this?
EDIT:
def editprefabitem(request, materialitem_id):
context = dict()
mat_item = MaterialItem.objects.get(id=materialitem_id)
context['itemid'] = json.dumps(mat_item.id)
context['lineclass'] = json.dumps(mat_item.lineclass)
context['itemname'] = json.dumps(mat_item.name)
context['diameter'] = json.dumps(mat_item.diameter)
context['quantity'] = json.dumps(mat_item.quantity)
if request.method == 'POST':
if 'lineclassSelected' in request.POST:
lclass = Lineclass.objects.filter(lineclassname=request.POST['lineclassSelected'])\
.values_list('itemname', flat=True).distinct()
request.session['lineclassselected'] = request.POST['lineclassSelected']
lineclass = valuesquerysettodict(lclass)
return HttpResponse(json.dumps(lineclass), content_type='application/json')
if 'itemSelected' in request.POST:
item = Lineclass.objects.filter(itemname=request.POST['itemSelected'])[0]
diams = Lineclass.objects.filter(itemname=item.itemname).values_list('dn1', flat=True).distinct()
request.session['itemselected'] = request.POST['itemSelected']
diameters = valuesquerysettodict(diams)
return HttpResponse(json.dumps(diameters), content_type='application/json')
if 'diamSelected' in request.POST:
request.session['diameterselected'] = request.POST['diamSelected']
if 'editPrefabQuantityBox' in request.POST:
code = Lineclass.objects.filter(lineclassname=request.session['lineclassselected'])\
.filter(itemname=request.session['itemselected']).filter(dn1=request.session['diameterselected'])[0]\
.code
mat_item.name = request.session['itemselected'],
mat_item.type = 'Prefabrication',
mat_item.lineclass = request.session['lineclassselected'],
mat_item.diameter = request.session['diameterselected'],
mat_item.quantity = request.POST['editPrefabQuantityBox'],
mat_item.workpack = Workpack.objects.get(id=request.session['workpackselected']),
mat_item.code = code,
mat_item.datecreated = datetime.datetime.today(),
mat_item.createdby = request.user.username
mat_item.save()
return HttpResponseRedirect('/prefabs/')
return render_to_response('editprefab.html', context, context_instance=RequestContext(request))
The context['itemid'], context['lineclass'] etc, is where i am grabbing the current values of the item and trying to send them through to the template to be parsed by javascript to set the default values for editing in the select boxes, and provide the items id in the url.
The valuesquerysettodict() function, is a small snippet i found, to convert a Models, values_list into a JSON serializable dict to populate the select based on the parameter that was sent through from Ajax. The reason i am using it, is if i return Lineclass.objects.all(), there are a lot of items in the queryset, with the same name, but different itemcode, so i am using a values_list to try and get unique item names to use with the select.
I am sure i am going wrong somewhere i am just not sure where.
thank you for any help you could give.
So I assume you're making your AJAX call at the click of a submit button. Either way, you can supply the Django variable in the value attribute of any tag and retrieve it like this.
In the value attribute of your submit button, pass the Django ID as such:
<button type="submit" value="{{ material_item.id }}" id="submit-button"></button>
Now, in your AJAX request, you can retrieve the ID and send it with your AJAX request like this:
$(document).ready(function(event){
$(document).on('click', '#submit-button' , function(event){
event.preventDefault();
var pk = $(this).attr('value');
data:{
'id': pk,
}
....
});
});