I have a select2 field which is retrieving data from a remote api. I can get that working. What I'm trying to do is change the remote url based on what the user has typed. If the first two letters typed are for example "AA" then search using a url and when the first two characters are "88" then search using another url.
This is my code so far:
this.selector.select2({
minimumInputLength: 2,
ajax: {
url: function(param){return 'http://localhost:3000/suggestions?&'},
dataType: 'json' ,
data: function (params) {
var query = {
search: params.term,
}
return query;
},
processResults: function(data) {
var results = [];
$.each(data, function (index, search) {
results.push({
id: search.id,
text: search.val
});
});
return {
"results":results
};
},
},
width: 'resolve',
});
I've looked but can't find an event which is fired when typing(searching).
According to docs the params argument passed to url callback is the same as in data callback. So you can rewrite your code as:
this.selector.select2({
minimumInputLength: 2,
ajax: {
url: function (params) {
var firstTwoLetters = params.term.slice(0, 2);
if (firstTwoLetters == '88') {
return 'some url';
} else if (firstTwoLetters == 'AA') {
return 'another url'
} else {
return 'http://localhost:3000/suggestions?&'
}
},
dataType: 'json',
data: function (params) {
var query = {
search: params.term,
}
return query;
},
processResults: function (data) {
var results = [];
$.each(data, function (index, search) {
results.push({
id: search.id,
text: search.val
});
});
return {
"results": results
};
},
},
width: 'resolve',
});
I hope I understood your last request correctly.
The oninput event occurs as you type.
note: I'd rather comment it and not use Answer, however, I have less than 50 rep.
Related
I've been working on a project where I've to load select2 option from ajax call.
The code is working fine, except in search result, it always shows search parameter as option. Even if there is no data in database, it still showing it as option, not showing "No data found".
My code is here
$(".search_user").select2({
minimumInputLength: 11,
tags: [],
ajax: {
url: "/user/get_user",
dataType: 'json',
type: "GET",
quietMillis: 250,
data: function (term) {
return {
term: term
};
},
processResults: function (data) {
var Return = [];
for (var i in data.item) {
console.log(data.item[i])
if (data.item[i].id != data.item[i].text) {
Return.push(data.item[i]);
}
}
return {
results: Return
}
}
}
});
my return json is like this
{"item":[{"id":16,"name":"Razin Abid"}]}
My view is looking like this.
Please help me out.
If you using firemodal on stisla
$('#modal-create-promo').click(()=>{
setTimeout(()=>{
$('#fire-modal-1').removeAttr('tabindex');
});
});
$("#modal-create-promo").fireModal({
...
});
It's work for me
Thats because you enable tags option from select2. You need to remove 'Tags:[]' from your code.
visit : https://select2.org/tagging
so, your code should be like this:
$(".search_user").select2({
minimumInputLength: 11,
ajax: {
url: "/user/get_user",
dataType: 'json',
type: "GET",
quietMillis: 250,
data: function (term) {
return {
term: term
};
},
processResults: function (data) {
var Return = [];
for (var i in data.item) {
console.log(data.item[i])
if (data.item[i].id != data.item[i].text) {
Return.push(data.item[i]);
}
}
return {
results: Return
}
}
}
});
I am new to select2 plugin, my problem is,
I want to put a job search option to my web page that is when user queries with keyword php then it will return corresponding data as json. For example if user enters java then it will return most possible words like java, javascript, java.net and user can pick up one or more item from the list displayed.
i did but there is no select option
script
$(".load").select2({
minimumInputLength: 2,
ajax: {
url: "http://localhost/testserver/Test",
dataType: 'json',
type: "post",
data: function (term, page) {
return {
q: term
};
},
processResults: function (data, page) {
console.log(data);
return {
results: $.map(data, function (item) {
return {
text: item.Name,
}
})
};
}
},
});
html
<select class="load" style="width:400px;">
Find below Complete solution
$(document).ready(function() {
$(".load").select2({
minimumInputLength: 2,
ajax: {
url: "http://ip.jsontest.com/",
dataType: 'json',
type: "post",
data: function (term, page) {
return {
q: term
};
},
processResults: function (data, page) {
return {
results: $.map(data, function (item) { console.log(item);
return {
text: item
}
})
};
}
},
});
});
I have pointed url to some other location for dynamic data..Please make changes accordingly
I have the following select2 ajax call. How do I use the jquery $.map() to parse the returned json results. From the users array i need to get the Text and Value results. From the pager array I need to get the TotalItemCount. What I have below doesnt seem to work i.e the search results don't seem to display in the select list. No console errors are shown either so I'm not sure what Im doing wrong.
var url = '#Url.Action("GetEmployees", "Employees")';
var pageSize = 20;
$(".js-data-example-ajax").select2({
ajax: {
url: url,
dataType: 'json',
delay: 250,
data: function (params) {
return {
term: params.term, // search term
page: params.page
};
},
processResults: function (data, params) {
params.page = params.page || 1;
return {
results: $.map(data, function (users) {
return {
text: users.Text,
id: users.Value
}
}),
pagination: {
more: (params.page * pageSize) < data.pager.TotalItemCount
}
};
},
cache: true
},
minimumInputLength: 2,
placeholder: "-- Select --",
allowClear: true
});
The json returned is as follows:
{
"pager":{
"PageCount":1,
"TotalItemCount":1,
"PageNumber":1,
"PageSize":20,
"HasPreviousPage":false,
"HasNextPage":false,
"IsFirstPage":true,
"IsLastPage":true,
"FirstItemOnPage":1,
"LastItemOnPage":1
},
"users":[
{
"Disabled":false,
"Group":null,
"Selected":false,
"Text":"Joe Blogs",
"Value":"97306aa4-d423-4770-9b45-87a701146b10"
}
]
}
I was correct. I wasn't using the jQuery.map() correctly. It should be as follows:
results: $.map(data.users, function (users) {
return {
text: users.Text,
id: users.Value
}
}),
I'm developing a form with select2JS.
In my first step I use a simple Select2
$(this).select2();
But I want to change it for an Ajax version.
$(this).select2({
multiple:multival,
ajax:
{
url: '/api/v2/vocabulary/'+vocabulary+'/words/list',
headers: {'X-AUTHORIZATION-TOKEN': token},
dataType: 'json',
type: "POST",
quietMillis: 100,
data: function (params) { // Lors d'une recherche
return {
pattern: params.term, // search term
page: params.page
};
},
processResults: function (data, params) {
// parse the results into the format expected by Select2
// since we are using custom formatting functions we do not need to
// alter the remote JSON data, except to indicate that infinite
// scrolling can be used
params.page = params.page || 1;
return {
results: data.words,
pagination: {
more: (params.page * 15) < data.total
}
};
},
initSelection : function (element, callback) {
var data = [];
$(element.val()).each(function () {
data.push({id: this, text: this});
});
callback(data);
},
cache: true
},
escapeMarkup: function (markup) {return markup; }, // let our custom formatter work
minimumInputLength: 0,
templateResult: function formatRepo (repo)
{
return repo.name;
},
templateSelection: function formatRepoSelection (repo)
{
return repo.name;
}
});
In the first version, my Ajax return the name of the Option ( When I send the form). In the Ajax version, the script create a new Option inside the select ( But not visible ) and when I send the form its an Id who is sent. Because in the Value of the new Option, its the Id and not the name.
I use Select2 4.0.1 and I find in the 3162' Line :
if (data.id) {
option.value = data.id;
}
I tried to change data.id by data.name, but it was not effective.
Do you have an idea?
I am using select2 plugin to load remote data. I am using an aspx page which returns JSON data and same is assigned to select2 plugin. After user selects some value from the select2 textbox, i am forcing page to postback. After the postback i am using following code to reload to set the text in the select2 textbox.
var data = { "PatientID": "XYX", "Email": "testing#gmail.com" };
$('#e6').select2('val', '123');
But system is throwing following error: cannot call val() if initSelection() is not defined
Even if I define init, I am not able to set the value. I am using following code. Please help me set the value on the select2 textbox after the postback.
$(document).ready(function () {
$("#e6").select2({
placeholder: "Search for a movie",
minimumInputLength: 1,
ajax: { // instead of writing the function to execute the request we use Select2's convenient helper
url: "data.aspx",
dataType: 'json',
quietMillis: 1000,
data: function (term, page) {
return {
name: term
};
},
initSelection: function (element, callback) {
var data = { "PatientID": "XYX", "Email": "testing#gmail.com" };
callback(data);
},
results: function (data) {
var results = [];
$.each(data, function (index, item) {
results.push({
id: item['Email'],
text: item['PatientID']
});
});
return {
results: results
};
},
},
});
});
window.onload = function () {
var data = { "PatientID": "XYX", "Email": "testing#gmail.com" };
//When this is called system is throwing error
//This code is required to show the value in select2 textbox after the post back
$('#e6').select2('val', data);
}
$(document).ready(function () {
$("#e6").on("select2-selecting", function (e) {
//alert("selecting val=" + e.val + " choice=" + JSON.stringify(e.choice));
var id = document.getElementById('<%= savebtn.ClientID %>');
document.getElementById('<%= hdnFld.ClientID %>').value = e.val;
id.value = e.val;
//causes post back
id.click();
});
});
There is a mistake with your script. I had the same problem and I saw your question. After I read the API docs of Select2 I realised my error.
You should place the initSelection at the same level as ajax. e.g.
$("#e6").select2({
placeholder: "Search for a movie",
minimumInputLength: 1,
initSelection: function (element, callback) {
var data = { "PatientID": "XYX", "Email": "testing#gmail.com" };
callback(data);
},
ajax: { // instead of writing the function to execute the request we use Select2's convenient helper
url: "data.aspx",
dataType: 'json',
quietMillis: 1000,
data: function (term, page) {
return {
name: term
};
},
results: function (data) {
var results = [];
$.each(data, function (index, item) {
results.push({
id: item['Email'],
text: item['PatientID']
});
});
return {
results: results
};
},
},
});