Jquery Ajax selectors - php

Im trying to make something like this http://demos.99points.info/facebook_wallpost_system/ which is a comment system. I have the ajax code below except i don't know how to uniqely select textareas. The challenge is that the number of posts is variable so all of the posts need to be uniquely identified so that when the data is put into the database i know which post it relates to.
JQUERY:
<script type='text/javascript'>
$('document').ready(function(){
$('.commentContainer').load('../writecomment.php');
//commentContainer is a class so it applies to all of the textareas, but i need this selector to be unique
$('.submitCommentBox').click(function(){
//these are the selectors that i can't get to work right
var comment = $('').val();
var postid = $('').val();
$.post('../comment.php',
{
comment: comment,
postid: postid,
},
function(response){
$('#commentContainer').load('../writecomment.php');
$('.commentBox').val('');
}
}
return false;
}):
});
</script>
HTML/PHP
<?php while ($row=mysql_fetch_assoc($query)){
echo"
<p name='singlePost'>$post[$f]</p>
<div id='commentContainer'></div>
<textarea class='commentBox'></textarea>
<input type='button' value='submit' class='submitCommentBox'>";
}
basically the HTML/PHP generates for each post on the page as to create a textarea and subimt button for each post. therefore the user can comment on each post.

Using the markup in the link you provided, I would do something like:
var container = $(this).closest('.friends_area');
var comment = $(container).find('.commentbox').val();
var questionid = $(container).find('#hidden').val();
var answerid = $(container).find('').val();
A more correct solution would be something like:
HTML
<div id="posting">
<form method="post" action="">
<input type="hidden" name="record_id" value="123" />
<textarea name="comment"></textarea>
<button type="submit">Comment</button>
</form>
...
</div>
JS
$('#posting').on('submit', 'form', function(e) {
e.preventDefault();
var form = $(this).closest('form');
$.post($(form).attr('action'), $(form).serialize(), function() {
$('#commentContainer').load('../writecomment.php');
$('.commentBox').val('');
});
});

Related

PHP / MySQL / AJAX - Update multiple data

How to update multiple data using AJAX ?
Example :
TableA
id : 1, 2
name : Jack, John
It's only working with id 1, when I am trying to edit name for id 2 it's not working.
I have try with this code but failed.
HTML/PHP :
...
while($row=mysqli_fetch_array($query)){
echo'
<form class="btn-group">
<input type="text" class="form-control" name="id_user" id="id_user" data-user="'.$row['id'].'" value="'.$row['id'].'">
<input type="text" class="form-control" name="id_status" id="id_status" data-status="'.$row['id'].'" value="'.$row['id'].'">
<button type="submit" id="likestatus" class="btn btn-primary btn-outline btn-xs"><i class="fas fa-thumbs-up"></i></button>
</form>
';
}
AJAX :
$(document).ready(function(){
$("#likestatus").click(function(){
var id_user=$("#id_user").data("user");
var id_status=$("#id_status").data("status");
$.ajax({
url:'status/like-status.php',
method:'POST',
data:{
id_user:id_user,
id_status:id_status
},
success:function(response){
alert(response);
}
});
});
});
The problem with your code is that ids should be unique, but in the loop you create elements with same id.
Use this in the event handler to find the siblings of the button that has been clicked - closest returns the parent of type form.
$(document).ready(function(){
$(".btn-primary").click(function(){
var $form = $(this).closest('form');
var id_user=$form.find('[name="id_user"]').data("user");
var id_status=$form.find('[name="id_status"]').data("status");
$.ajax({
url:'status/like-status.php',
method:'POST',
data:{
id_user:id_user,
id_status:id_status
},
success:function(response){
alert(response);
}
});
});
});
You might want to use your own class instead of .btn-primary because this affects all buttons on the page.
Judging from the incomplete PHP, it appears as if you're not assigning to $ruser within your loop. This would mean you're always posting the same id to like-status.php.
PS: Would've posted as comment, but I can't.
Make your ID unique so make them dynamic
<?php
$counter = 0;
while($row=mysqli_fetch_array($query)){
$counter++;
echo'
<form class="btn-group">
<input type="text" class="form-control" id="userid_$counter" data-user="'.$ruser['id'].'" value="'.$ruser['id'].'">
<input type="text" class="form-control" name="id_status" id="status_$counter" data-status="'.$rtimeline['id'].'" value="'.$rtimeline['id'].'">
<button type="submit" id="likestatus_$counter" class="btn btn-primary btn-outline btn-xs"><i class="fas fa-thumbs-up"></i></button>
</form>
';
}
?>
Then
<script type="text/javascript">
$(document).ready(function(){
$('[id^="likestatus_"]').on('click',function(){
var index = $(this).attr('id').split("_")[1];
var id_user=$("#user_"+index).data("user");
var id_status=$("#status_"+index).data("status");
$.ajax({
url:'status/like-status.php',
method:'POST',
data:{
id_user:id_user,
id_status:id_status
},
success:function(response){
alert(response);
}
});
});
});
You're using the id's multiple times. Thus your query for var id_user=$("#id_user").data("user"); always finds the first input field on the page. You should avoid using the same id multiple times on one page (see this Question).
You may subscribe to the jQuery submit event of the form and then search for the input fields within that form, to properly extract the id_user and status_user values. For that you have to add an appropriate event listener to the <form> element. To find the form I would recommend adding a css-class like like-status-form.
$(document).ready(function(){
// We're attaching a submit-event listener to every element with the css class "like-status-form"
$(".like-status-form").submit(function(event){
// Form get's submitted
// Prevent that the Browser reloads the page
event.preventDefault();
// Extract the user id and status from the form element (=== $(this))
var id_user = $(this).find('[name="id_user"]').data('user');
var id_status = $(this).find('[name="id_status"]').data('status');
// TODO Perform AJAX Call here
});
});
To detect the form elements one can use the jQuery Attribute Equals Selector.
Find a working example at https://jsfiddle.net/07yzf8k1/

.Ajax, .text Input display function

var log = document.getElementById("log");
$(function(){
$('textarea').keypress(function(e) {
if (e.keyCode == 13 && !e.shiftKey) {
log.innerHTML += "Company<br>";
e.preventDefault();
var frm = this.form; // don't submit the form yet
log.innerHTML += "<br>";
$.ajax({
url: $(frm).attr('action'), // remember to specify which attribute you want
data: $(frm).serialize(),
dataType: "json",
success: function() {
log.innerHTML += "Ajax complete (form should be submitted now)<br>";
// submit the form when the ajax request is complete
// frm.submit();
}
});
}
});
});
<form action="#">
<textarea name="comment"></textarea>
</form>
<div id="log"></div>
I am trying to set up the script to where I can display the results within the input. Is there a way to display the results whatever the user puts in the textarea below?
log.innerHTML += "Company<br>";
.innerHTML seems to be acting like a basic paragraph of text. All I need is to be able to display a list of links that are going to be put in the input to save them. Is there a way I can use .text() for the textarea?
Any help is appreciated, thank you!
HTML:
<form action="#">
<textarea name="comment"></textarea>
</form>
<div id="log"></div>
JS:
$('textarea').on('focusout', function(){
$('#log').text($(this).val());
});
use $("#log").text("").append($("textarea").val());
Im going to be submitting url links within the form and each link has to be on a different line. It looks weird with all of them jamd together. Sorry lol

$_POST for text in DIV elements

Because of my web style, i don't want to use input & textarea and get information by using $_POST[] and i need to get information that is in DIV element.
For example , I want to get information in this :
<div class="mine" name"myname">
this is information that i want to get and put into database by PHP !
</div>
and :
$_POST[myname];
But i can't do it with $_POST , How can i do it ??
And if this method can't do this , do you know any other method to get information from DIV like this ?
you can call a onsubmit function and make a hidden field at the time of form submission like this
HTML
need to give a id to your form id="my_form"
<form action="submit.php" method="post" id="my_form">
<div class="mine" name"myname">
this is information that i want to get and put into database by PHP !
</div>
<input type="submit" value="submit" name="submit" />
</form>
Jquery call on submit the form
$(document).ready(function(){
$("#my_form").on("submit", function () {
var hvalue = $('.mine').text();
$(this).append("<input type='hidden' name='myname' value=' " + hvalue + " '/>");
});
});
PHP : submit.php
echo $_POST['myname'];
You can use this method. First, with javascript get content of <div>
Code:
<script type="text/javascript">
var MyDiv1 = Document.getElementById('DIV1');
</script>
<body>
<div id="DIV1">
//Some content goes here.
</div>
</body>
And with ajax send this var to page with get or post method.
You would need some JavaScript to make that work, e.g. using jQuery:
$.post('http://example.org/script.php', {
myname: $('.mine').text()
});
It submits text found inside your <div> to a script of your choosing.
You can use following structure;
JS:
$(document).ready(function() {
$("#send").on("click", function() {
$.ajax({
url: "your_url",
method: "POST",
data: "myname=" + $(".mine").text(),
success: function(response) {
//handle response
}
})
})
})
HTML:
<div class="mine" name"myname">
this is information that i want to get and put into database by PHP !
</div>
<input type="button" name="send" id="send" value="Send"/>
You can see a simulation here: http://jsfiddle.net/cubuzoa/2scaJ/
Do this in jquery
$('.mine').text();
and post data using ajax.
Put the content of DIV in a variable like below:
var x = document.getElementById('idname').innerHTML;

Jquery Onclick Change hidden parameter and submit

Hi i'm using php and jquery. I have create dinamically a list of a div like that
<div class="divclass" id="<?php echo $i-1;?>">
<a href=" <?php echo $this->url(array('controller'=>'controller name','action'=>'action name'));?>">
<span>Date: </span>
</a>
</div>
My javasctipt script is, i pick the name of the id clicked, i set the hidden parameter to the name of the id and i want to submit the form
<script type="text/javascript">
$(document).ready(function() {
$('.divclass').click(function(){
var idarray = $(this).attr("id");
document.getElementById('testo').value=idarray;
document.forms["prova"].submit();
});
});
The form is:
<form id="prova" method="post" action="<?php echo Zend_Controller_Front::getInstance()->getBaseUrl().'/controller-name/action-name';?>">
<input type="hidden" value="" id="testo">
</form>
</script>
But in the next page i don't have the post parameter.
You need to give name attribute to #testo and then try this:
e.g
<input type="hidden" value="" id="testo" name="testo">
Your form is within <script> tag, Place it outside of <script> tag.
and write following code within DOM ready like follwing:
<script type="text/javascript">
$(function() {
// after DOM ready
$('.divclass').click(function(){
var idarray = $(this).attr("id"); // or this.id do the same thing
$('#testo').val(idarray); // set value to testo
$("form#prova").submit(); // submit the form
});
});
</script>

How to write data option in jQuery.ajax() function when it include in a php mysql_query?

I want to add a comment system after my article,
php part code
<?php
...
while($result = mysql_fetch_array($resultset))
{
$article_title = $result['article_title'];
...
?>
<form id="postform" class="postform">
<input type="hidden" name="title" id="title" value="<?=$article_title;?>" />
<input type="text" name="content" id="content" />
<input type="button" value="Submit" class="Submit" />
</form>
...
<?php
}
?>
ajax part:
$(function($) {
$(document).ready(function(){
$(".Submit").click(function(){
var id = $(this).attr("id");
var name = $(this).attr("name");
var dataString = 'id='+ id ;
var parent = $(this);
var anyBlank = 0;
if(anyBlank == "0")
{
var title = $("#title").val();
var content = $("#content").val();
$.ajax({
type: "POST",
url: "ajax_post.php",
data: "title="+title+"&content="+content,
success: function(date_added){
if(date_added != 0)
{
structure = '<div class="comment_date_added">'+date_added+'</div><div id="comment_text"><div id="comment_content">'+content+'</div>';
$("#post_comment").prepend(structure);
}
});
});
ajax_post.php
echo $title;
echo $content;//get $title and $content and insert into database.
my question: <form id="postform" class="postform"> is written into a MYSQL_QUERY result circle. how to modify ajax part so that every div.submit can post its own value to ajax_post.php and then return the data into $("#post_comment").prepend(structure); Thanks to all.
You have to give the input fields a class instead of an ID. IDs have to be unique in an HTML document:
<form class="postform">
<input type="hidden" name="title" class="title" value="<?=$article_title;?>" />
<input type="text" name="content" class="content" />
<input type="button" value="Submit" class="Submit" />
</form>
Then you can make the data lookup relative to the clicked element:
var title = $(this).siblings('.title').val();
var content = $(this).siblings('.content').val();
I also suggest to pass an object to the data attribute for automatic URL encoding of the values:
data: {title: title, content: content}
Then, when you create a new entry for the #post_comment section, you have to give these elements also a class instead of an ID (and don't forget to use var!):
var structure = '<div class="comment_date_added">'+date_added+'</div><div class="comment_text"><div class="comment_content">'+content+'</div>';
or more jQuery like:
$('<div />', {class:'comment_data_added'})
.append($('<div />', {class: 'comment_date_added', text: date_added}))
.append($('<div />', {class: 'comment_content', text: content}))
.prependTo('#post_comment');
Further notes:
You have somehow a nested ready() handler:
$(function($) { // <--┐
$(document).ready(function(){ // <--┴- this is the same
//...
});
});
Either do:
jQuery.noConflict();
jQuery(function($) {
$('.Submit')...
)};
or
$(function() {
$('.Submit')...
)};
This part in the click handler:
var id = $(this).attr("id");
var name = $(this).attr("name");
var dataString = 'id='+ id ;
var parent = $(this);
var anyBlank = 0;
does not seem to do anything. Besides that, the submit button has no ID and no name.
Depending on the further structure of your PHP code, you should have a look at the alternative syntax for control structures. It makes easier to mix PHP and HTML without fiddling around with brackets.

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