Jquery autocomplete dropdown not working in dynamic build textbox - javascript

I have build a search textbox dynamically and i want to do autocomplete search . Below is my code,
function getEmp(){
$('#itemSearch').autocomplete({
"source":function(request, response) {
var textInput = document.getElementById('a');
textInput.value = textInput.value.replace(/^\s+/,"");
var jqxhr = $.getJSON( baseurl +'test/search-emp', {
cName :$("#a").val(),
},response);
jqxhr.success(function() {
});
},
"select":function(e, ui){
},
"minLength":1,"autoFill":true,"showHeader":true});
}
I got the ajax result,but dropdown is not visible in autocomplete search.Please provide a solution

according to document ; http://api.jqueryui.com/autocomplete/#option-source
Your ajax must return an array or like ...
[ { label: "Choice1", value: "value1" }, ... ]
Prepare an api or something return documented kind a data vie Get
this source must use 'term' parameter
then put this to page YOUR_AJAX_URL must point your api...
$( function() {
$("#itemSearch" ).autocomplete({
source: "YOUR_AJAX_URL",
minLength: 2,
select: function( event, ui ) {
alert(ui.item.value);
}
});
} );
ps. https://jqueryui.com/autocomplete/#remote at here you can investigate developer tools in chrome (or similar)

Related

Can't set a variable in javascript while using autocomplete

This is my current code:
var areaid;
$( "#FindCentre" ).autocomplete({
//Doesn't give the right value here.
source: "databasescripts/findcentre.php?AreaID=" + areaid,
minLength: 2,
select: function( event, ui ) {
},
html: true,
});
$( "#FindArea" ).autocomplete({
source: "databasescripts/findarea.php",
minLength: 2,
select: function( event, ui ) {
areaid = ui.item.id;
alert(areaid);
//Alerts the correct value here.
},
html: true,
});
When users type into FindArea it alerts the correct value, however when they then type into FindCentre it will always come back as being undefined. I've tried reading the ID from FindArea in FindCentre but I can't seem to do that either.
Does anyone have any suggestions?
When you make the first autocomplete call, it sets up the autocomplete with the static value, i.e. areaid = undefined. If you want to use autocomplete with dynamic value you need to do something like this:
source: function(request, response) {
$.ajax({
url: "databasescripts/findcentre.php?AreaID=" + areaid //or + $("#FindArea").val()
});
}

jquery autocomplete with different sources

I hope you can help me. I'm looking for a possibility to make my jquery autocompleter use a different source whether the first input is a digit or a letter (on the fly). I tried days and could not make it working.
Thats the autocomplete code:
$(function() {
$("#ac1").autocomplete(
'search.php', //or blub.php
{onItemSelect: function(item) {
var text = 'test';
$("#num1").val(item.data);
var selector = $("#num1").val();
var additionalradius = selector.substring(0,3);
var zip = selector.substring(6);
$("#num1").val(additionalradius);
$("#3rd").val(zip);
alert (additionalradius);
}},
{selectFirst: true}
);
});
So I need something like "if first key in field #ac1 is a number, then use search.php. Else use blub.php" in that code shown. Any idea? Thank you for you help.
To set the source option in search event ( that is triggered before a search is performed ) is one way to do it.
$("#ac1").autocomplete({
source: 'search.php',
search: function( event, ui ) {
if ( isNaN( parseInt( $(this).val().charAt(0) ) ) )
$(this).autocomplete( 'option', 'source', 'blub.php' );
else
$(this).autocomplete( 'option', 'source', 'search.php' );
}
});
EDIT:
$("#ac1").autocomplete({
source: 'search.php',
search: function( event, ui ) { /* code from search function here */ },
select: function( event, ui ) { /* code for item select here */ }
/* additional options */
});

cant select value of jqGrid autocomplete

I use a jqGrid with jquery autocomplete on one column.
{
name : 'mdmKndcode',
index : 'mdmKndcode',
width : 150,
align : "center",
editable : true,
edittype: 'text',
editoptions: {
dataInit: function(elem) {
var cache = {};
$(elem).autocomplete({
source: function( request, response ) {
var term = request.term;
console.log(term);
if(term in cache){
response(cache[term]);
return
}
$.getJSON( "/example/json/"+term, request, function( data, status, xhr ) {
cache[ term ] = data;
response( data );
});
},
minLength:3
});
}
}
In the grid I can see the results of json request in autocomplete list. This works fine. But I am not able to select a value in this list. The autocomplete list getting closed and lose the focus of the column after a mouseover or Keyboard press on the list.
Tried also with "select" function but same result.
Want to have the selection of the values in the list like in this Demo
Looking at your jsfiddle, the problem is that you are including jqueryui twice jquery-ui.js and jquery-ui-custom.min.js , most likely both of them have autocomplete and that causes troubles.
Remove one of them and that will fix the issue.
See here

Jquery UI Autocomplete List does not refresh

So I am using jquery ui autocomplete where the list that is displayed is fetched via WebSockets. A call to fetch the list is made on every keystroke on the input field(.keyup()). Problem is that once I type in a character and a corresponding list is fetched and displayed, the next keystroke searches for the search parameter in the input field within the previous list instead of the new one that was fetched. To get the new options I need to press backspace. For example, if I enter "S" on the input, results corresponding to "S" will be fetched and displayed. If I further enter "h", making the search term "sh", then the list corresponding to "sh" is fetched, but the autocomplete searches for "sh" within the previous list. Simply put the list does not get refreshed immediately. How can I get the list to refresh immediately? Thanks in advance for any help.
UPDATE: So here's a bit of the code:
This is the part where the keystroke is detected and the search initiated
$('#pick_up_location').keyup(function(e) {
var param = $("#pick_up_location").val();
var userType = "1";
search(param, userType,"CBPickSearchAction", "", 0);
This is where the results received are displayed in autocomplete:
function onMessage(data) {
try
{
var obj = $.parseJSON(data);
$("#pick_up_location").autocomplete({
source: obj,
minLength: 0,
delay: 0,
autoFocus: true,
search : function() {
},
//open : function(){$(this).removeClass('working'); $(".ui-autocomplete").width($(this).width());},
focus: function( event, ui ) {
event.preventDefault();
return false;
},
open : function(event, ui){
$('#pick_up_location').autocomplete("widget").width();
.data( "ui-autocomplete" )._renderItem = function( ul, item ) {
return $( "<li></li>" )
.data( "item.autocomplete", item )
.append( "<a>" + item.label + "</a>" )
.appendTo( ul );
};
$("#pick_up_location").autocomplete('enable');
$("#pick_up_location").keydown();
} catch(err)
{
//console.log( err.message);
}
So finally I found a solution. The problem was that usually when retrieving a list for autocomplete from another domain, an ajax call is made to return results to the source. However, since my goal was to make this commercial application whilst substituting all ajax calls with the use of websockets, the autocomplete wasn't working as desired. Also, I had restricted myself to making all API calls with just a single websocket opened.
All I had to do was to make a new connection in javascript to the websocket in Java and use its onmessage function to receive the results and place them in the response of the autocomplete. Previously, the autocomplete's source was a var that contained the results when they had been returned. But this was not exactly working as desired because on every keystroke it just searched through the results already there. You would have to enter backspace for the list to refresh.
Here's the modified code snippet:
function locationSearch() {
$("#pick_up_location").autocomplete({
source: function(request,response) {
var action = "CBPickSearchAction";
var userType = 1;
var requestString = createRequestStringForLocationSearch(action, userType, request.term);
webSocket_local.send(requestString);
webSocket_local.onmessage = function(event) {
data = event;
data = formatLocationResponse(data, action);
response($.parseJSON(data));
};
},
minLength: 0,
delay: 0,
autoFocus: true,
focus: function( event, ui ) {
event.preventDefault();
return false;
},
open : function(event, ui){
$('#pick_up_location').autocomplete("widget").width();
},
.data( "ui-autocomplete" )._renderItem = function( ul, item ) {
return $( "<li></li>" )
.data( "item.autocomplete", item )
.append( "<a>" + item.label + "</a>" )
.appendTo( ul );
};
}
$('#pick_up_location').keyup(function(e) {
locationSearch();
}
Thus my goal to create an ajax-free web application was accomplished. :)
If anyone has an even better solution, I'd be interested in knowing.

jQuery UI autocomplete with item and id

I have the following script which works with a 1 dimensional array. Is it possible to get this to work with a 2 dimensional array? Then whichever item is selected, by clicking on a second button on the page, should display the id of whichever item is selected.
This is the script with the 1 dimensional array:
var $local_source = ["c++", "java", "php", "coldfusion", "javascript", "asp", "ruby"];
$("#txtAllowSearch").autocomplete({
source: $local_source
});
This is the script for the button to check the id, which is incomplete:
$('#button').click(function() {
// alert($("#txtAllowSearch").someone_get_id_of_selected_item);
});
You need to use the ui.item.label (the text) and ui.item.value (the id) properties
$('#selector').autocomplete({
source: url,
select: function (event, ui) {
$("#txtAllowSearch").val(ui.item.label); // display the selected text
$("#txtAllowSearchID").val(ui.item.value); // save selected id to hidden input
}
});
$('#button').click(function() {
alert($("#txtAllowSearchID").val()); // get the id from the hidden input
});
[Edit] You also asked how to create the multi-dimensional array...
You should be able create the array like so:
var $local_source = [[0,"c++"], [1,"java"], [2,"php"], [3,"coldfusion"],
[4,"javascript"], [5,"asp"], [6,"ruby"]];
Read more about how to work with multi-dimensional arrays here: http://www.javascriptkit.com/javatutors/literal-notation2.shtml
From the Overview tab of jQuery autocomplete plugin:
The local data can be a simple Array
of Strings, or it contains Objects for
each item in the array, with either a
label or value property or both. The
label property is displayed in the
suggestion menu. The value will be
inserted into the input element after
the user selected something from the
menu. If just one property is
specified, it will be used for both,
eg. if you provide only
value-properties, the value will also
be used as the label.
So your "two-dimensional" array could look like:
var $local_source = [{
value: 1,
label: "c++"
}, {
value: 2,
label: "java"
}, {
value: 3,
label: "php"
}, {
value: 4,
label: "coldfusion"
}, {
value: 5,
label: "javascript"
}, {
value: 6,
label: "asp"
}, {
value: 7,
label: "ruby"
}];
You can access the label and value properties inside focus and select event through the ui argument using ui.item.label and ui.item.value.
Edit
Seems like you have to "cancel" the focus and select events so that it does not place the id numbers inside the text boxes. While doing so you can copy the value in a hidden variable instead. Here is an example.
My code only worked when I added 'return false' to the select function. Without this, the input was set with the right value inside the select function and then it was set to the id value after the select function was over. The return false solved this problem.
$('#sistema_select').autocomplete({
minLength: 3,
source: <?php echo $lista_sistemas;?> ,
select: function (event, ui) {
$('#sistema_select').val(ui.item.label); // display the selected text
$('#sistema_select_id').val(ui.item.value); // save selected id to hidden input
return false;
},
change: function( event, ui ) {
$( "#sistema_select_id" ).val( ui.item? ui.item.value : 0 );
}
});
In addition, I added a function to the change event because, if the user writes something in the input or erases a part of the item label after one item was selected, I need to update the hidden field so that I don´t get the wrong (outdated) id. For example, if my source is:
var $local_source = [
{value: 1, label: "c++"},
{value: 2, label: "java"}]
and the user type ja and select the 'java' option with the autocomplete, I store the value 2 in the hidden field. If the user erase a letter from 'java', por exemple ending up with 'jva' in the input field, I can´t pass to my code the id 2, because the user changed the value. In this case I set the id to 0.
Just want to share what worked on my end, in case it would be able to help someone else too. Alternatively based on Paty Lustosa's answer above, please allow me to add another approach derived from this site where he used an ajax approach for the source method
http://salman-w.blogspot.ca/2013/12/jquery-ui-autocomplete-examples.html#example-3
The kicker is the resulting "string" or json format from your php script (listing.php below) that derives the result set to be shown in the autocomplete field should follow something like this:
{"list":[
{"value": 1, "label": "abc"},
{"value": 2, "label": "def"},
{"value": 3, "label": "ghi"}
]}
Then on the source portion of the autocomplete method:
source: function(request, response) {
$.getJSON("listing.php", {
term: request.term
}, function(data) {
var array = data.error ? [] : $.map(data.list, function(m) {
return {
label: m.label,
value: m.value
};
});
response(array);
});
},
select: function (event, ui) {
$("#autocomplete_field").val(ui.item.label); // display the selected text
$("#field_id").val(ui.item.value); // save selected id to hidden input
return false;
}
Hope this helps... all the best!
Assuming the objects in your source array have an id property...
var $local_source = [
{ id: 1, value: "c++" },
{ id: 2, value: "java" },
{ id: 3, value: "php" },
{ id: 4, value: "coldfusion" },
{ id: 5, value: "javascript" },
{ id: 6, value: "asp" },
{ id: 7, value: "ruby" }];
Getting hold of the current instance and inspecting its selectedItem property will allow you to retrieve the properties of the currently selceted item. In this case alerting the id of the selected item.
$('#button').click(function() {
alert($("#txtAllowSearch").autocomplete("instance").selectedItem.id;
});
<script type="text/javascript">
$(function () {
$("#MyTextBox").autocomplete({
source: "MyDataFactory.ashx",
minLength: 2,
select: function (event, ui) {
$('#MyIdTextBox').val(ui.item.id);
return ui.item.label;
}
});
});
The above responses helped but, did not work in my implementation.
The instead of using setting the value using jQuery, I am returning the value from the function to the select option.
The MyDataFactory.ashx page has a class with three properties Id, Label, Value.
Pass the List into the JavaScript serializer, and return the response.
I do not think that there is need to hack around the value and label properties, use hidden input fields or to suppress events. You may add your own custom property to each Autocomplete object and then read that property value later.
Here is an example.
$(#yourInputTextBox).autocomplete({
source: function(request, response) {
// Do something with request.term (what was keyed in by the user).
// It could be an AJAX call or some search from local data.
// To keep this part short, I will do some search from local data.
// Let's assume we get some results immediately, where
// results is an array containing objects with some id and name.
var results = yourSearchClass.search(request.term);
// Populate the array that will be passed to the response callback.
var autocompleteObjects = [];
for (var i = 0; i < results.length; i++) {
var object = {
// Used by jQuery Autocomplete to show
// autocomplete suggestions as well as
// the text in yourInputTextBox upon selection.
// Assign them to a value that you want the user to see.
value: results[i].name;
label: results[i].name;
// Put our own custom id here.
// If you want to, you can even put the result object.
id: results[i].id;
};
autocompleteObjects.push(object);
}
// Invoke the response callback.
response(autocompleteObjects);
},
select: function(event, ui) {
// Retrieve your id here and do something with it.
console.log(ui.item.id);
}
});
The documentation mentions you have to pass in an array of objects with label and value properties. However, you may certainly pass in objects with more than these two properties and read them later.
Here is the relevant part I am referring to.
Array: An array can be used for local data. There are two supported
formats: An array of strings: [ "Choice1", "Choice2" ] An array of
objects with label and value properties: [ { label: "Choice1", value:
"value1" }, ... ] The label property is displayed in the suggestion
menu. The value will be inserted into the input element when a user
selects an item. If just one property is specified, it will be used
for both, e.g., if you provide only value properties, the value will
also be used as the label.
At last i did it Thanks alot friends, and a special thanks to Mr https://stackoverflow.com/users/87015/salman-a because of his code i was able to solve it properly. finally my code is looking like this as i am using groovy grails i hope this will help somebody there.. Thanks alot
html code looks like this in my gsp page
<input id="populate-dropdown" name="nameofClient" type="text">
<input id="wilhaveid" name="idofclient" type="text">
script Function is like this in my gsp page
<script>
$( "#populate-dropdown").on('input', function() {
$.ajax({
url:'autoCOmp',
data: {inputField: $("#populate-dropdown").val()},
success: function(resp){
$('#populate-dropdown').autocomplete({
source:resp,
select: function (event, ui) {
$("#populate-dropdown").val(ui.item.label);
$("#wilhaveid").val(ui.item.value);
return false;
}
})
}
});
});
</script>
And my controller code is like this
def autoCOmp(){
println(params)
def c = Client.createCriteria()
def results = c.list {
like("nameOfClient", params.inputField+"%")
}
def itemList = []
results.each{
itemList << [value:it.id,label:it.nameOfClient]
}
println(itemList)
render itemList as JSON
}
One more thing i have not set id field hidden because at first i was checking that i am getting the exact id , you can keep it hidden just put type=hidden instead of text for second input item in html
Thanks !
I've tried above code displaying (value or ID) in text-box insted of Label text. After that I've tried event.preventDefault() it's working perfectly...
var e = [{"label":"PHP","value":"1"},{"label":"Java","value":"2"}]
$(".jquery-autocomplete").autocomplete({
source: e,select: function( event, ui ) {
event.preventDefault();
$('.jquery-autocomplete').val(ui.item.label);
console.log(ui.item.label);
console.log(ui.item.value);
}
});
This can be done without the use of hidden field. You have to take benefit of the JQuerys ability to make custom attributes on run time.
('#selector').autocomplete({
source: url,
select: function (event, ui) {
$("#txtAllowSearch").val(ui.item.label); // display the selected text
$("#txtAllowSearch").attr('item_id',ui.item.value); // save selected id to hidden input
}
});
$('#button').click(function() {
alert($("#txtAllowSearch").attr('item_id')); // get the id from the hidden input
});
Auto Complete Text box binding using Jquery
## HTML Code For Text Box and For Handling UserID use Hidden value ##
<div class="ui-widget">
#Html.TextBox("userName")
#Html.Hidden("userId")
</div>
Below Library's is Required
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<link rel="stylesheet" href="/resources/demos/style.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
Jquery Script
$("#userName").autocomplete(
{
source: function (request,responce)
{
debugger
var Name = $("#userName").val();
$.ajax({
url: "/Dashboard/UserNames",
method: "POST",
contentType: "application/json",
data: JSON.stringify({
Name: Name
}),
dataType: 'json',
success: function (data) {
debugger
responce(data);
},
error: function (err) {
alert(err);
}
});
},
select: function (event, ui) {
$("#userName").val(ui.item.label); // display the selected text
$("#userId").val(ui.item.value); // save selected id to hidden input
return false;
}
})
Return data Should be below format
label = u.person_full_name,
value = u.user_id

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