Develop Reference

hyperlink on update button (ajax json)

It's my first time using json and I'm trying to make an update button on a table that i make with ajax json, there is a problem that i can't put id_news attribute on the tag along with the target link. I tried put it next to the target link, but it doesn't work, and even the tables doesn't show anything, is there any way to make it work?
$(document).ready(function() {
display_data_info();
function display_data_info() {
$.ajax({
type: 'ajax',
url: '<?php echo base_url()?>/information/data_read_info',
async: false,
dataType: 'json',
success: function(data) {
var html = '';
var i;
var no;
var id_news;
for (i = 0; i < data.length; i++) {
no = +1;
html += '<tr>' +
'<td>' +
no +
'</td>' +
'<td>' +
data[i].news_title +
'</td>' +
'<td>' +
data[i].news_info +
'</td>' +
'<td>' +
data[i].news_status +
'</td>' +
'<td><a href="<?php echo site_url("information/display_update_info/".data[i].id_news); ?>" class="btn btn-app">' +
'<i class="fas fa-edit"></i> ' +
'</a>' +
'</td>' +
'</tr>';
}
$('#show_data_info').html(html);
}
});
}
});

[wanted to post just a comment, but haven't enough reputation yet. Perhaps a moderator can change my feedback into a comment?]
I see multiple typos and mistakes here:
In the first php part, put a ; after base_url()
You are not initializing no before you do no += 1
Instead of no += 1 you do no = +1 (which may accidentally overcome the previous error but it's probably not what you want)
In the <td><a href=.... line you are mixing up single and double quotes
In that same line, your javascript variable is inside PHP. data[i].id_news does not exist in PHP scope.
Check your web console and PHP error log, there will be several errors.

How to pass/generate table with parameters from one page to another

Hi i having a scenario where i am generating a dynamic table along with the dynamic button and when ever user clicks that button it has to get that row value and it has generate another dynamic table by taking this value as parameter .Till now i tried generating a dynamic table and with button and passed a parameter to that function here i stuck how to pass /accept a parameter to that function so that by using ajax call it can generate another dynamic table.
$.ajax({
type: 'GET',
url: xxxx.xxxxx.xxxxx,
data: "Id=" + clO + Name_=" + cl+ "",
success: function (resp) {
var Location = resp;
var tr;
for (var i = 0; i < Location.length; i++) {
tr = tr + "<tr>
tr = tr + "<td style='height:20px' align='right'>" + Location[i].Amount + "</td>";
tr = tr + "<td style='height:20px' align='right'>" + Location[i].Name + "</td>";
tr = tr + '<td><input type="button" class="nav_button" onclick="test(\'' + Location[i].Amount + '\',\'' + Location[i].Name + '\')"></td>';
tr = tr + "</tr>";
};
document.getElementById('d').style.display = "block";
document.getElementById('Wise').innerHTML = "<table id='rt'>" + "<thead ><tr><th style='height:20px'>Amount</th>" + "<th style='height:20px'>Name</th>""</tr></thead>"
+ tr + "<tr><td align='left' style='height:20px'><b>Total:"+ TotBills +"</b></td><td style='height:20px' align='right'><b></b></td></tr>" +
"</table>";
document.getElementById('Wise').childNodes[0].nodeValue = null;
},
error: function (e) {
window.plugins.toast.showLongBottom("error");
}
function test(value,val1,val2) {
navigator.notification.alert(value + ";" + val1 + ";" + val2);
// here i have to pass the another ajax by basing on the the onclick
}
so here in the function i have to pass the parameters and have to display in the new page and how is it possible ?

To pass data from a page to another your best bet is localStorage and SessionStorage;
SessionStorage - Similar to a cookie that expires when you close the browser. It has the same structure as the localStorage, but there is no way to change its permanence time, whenever closing will be deleted.
LocalStorage - This is similar to a cookie, but it never expires, so while there were records in the AppCache for that domain, the variable will exist (unless the user creates a routine to remove it).
Both attributes were added by HTML5. The above items called web storage. But there are other forms of local storage through HTML5, such as WebSQL database, Indexed Database (IndexDB), as well as conventional files (File Access).
Ex:
// Store
localStorage.setItem("lastname", "Smith");
// Retrieve
document.getElementById("result").innerHTML = localStorage.getItem("lastname");
Is it what you meant ?

It's unclear what you're after, but I think I see where you're headed. From the code you included, it seems like you want something like this instead:
// This will take the user to a separate page, passing your parameters
function test(val1,val2) {
window.location.href("/UrlGoesHere?Amount=" + val1 + "&Name=" + val2);
}
Another option, based on what you've said, is to redraw the table. You could do that with something like this:
function test(val1,val2) {
$.ajax({
type: 'GET',
url: "/UrlGoesHere",
data: "Amount=" + val1 + "&Name=" + val2,
success: function (resp) {
// redraw table here
}
});
}

JQuery PHP & Contenteditible

I am having a problem updating a database field via jquery and php with contenteditible. The ajax.php file just takes my input from the form and updates the database when the user clicks away but for some reason I can never hit the $("td[contenteditable=true]").blur(function(). Is it because I am displaying the html from the js file? If so how can I get the .blur() to run this way?
Here is a snip of my php.
<div id="status"></div>
<div class="row">
<div id="html"></div>
</div>
My js file
$(function(){
var message_status = $("#status");
$("td[contenteditable=true]").blur(function(){
var field_userid = $(this).attr("id") ;
var value = $(this).text() ;
$.post('ajax.php' , field_userid + "=" + value, function(data){
if(data != '')
{
message_status.show();
message_status.text(data);
//hide the message
setTimeout(function(){message_status.hide()},3000);
}
});
});
//snip
});
function updateTable() {
//snip
$.post("controller.php", payload, displayTable);
}
function displayTable(data){
var obj_defect = $.parseJSON(data);
//snip
html += '<thead><tbody>';
for(i=0; i<obj.length; i++) {
html +='<tr>';
html +='<td width="10%">' + obj[i].row1 + '</td>';
html +='<td width="10%">' + obj[i].row2 + '</td>';
html +='<td width="10%">' + obj[i].row3 + '</td>';
html +='<td width="10%">' + obj[i].row4 + '</td>';
html +='<td id="row0:'+obj[i].id+'" contenteditable="true"> ' + obj[i].row5 + '</td>';
html +='</tr>';
}
html += '</tbody></table>';
} else {
html = '<h4>No results found</h4>';
}
}
$("#html").html(html);
}

Your listener must run AFTER the element exists. You currently create the contenteditble td row after you receive the data from your post, which means when you go to assign a listener at page load there is no object in existence yet.
Something like this should work:
$.post("controller.php", payload, displayTable).done(function() {
// now create listener on td[contenteditable=true]
});

How to pass a specific object to a function through an html link?

Currently I am working on a site where I receive a list of objects from a data base and I am listing them in a pop-up table. I'd like one column of the table to list the object id and another to list links which call a function for that specific object. My issue is that I do not know how to do this when appending this data to a table.
Any ideas?
var tableContent ="<tr>";
for( var i =0; i<results.length ; i++)
{
tableContent += "<td>" + results[i].get("id") + "</td>"
tableContent += "<td>" + "<a>Open ID Contents</a>" + "</td>"
//I want this link to pass results[i] to a function^
}
tableContent += "</tr>"
$("#List").append(tableContent)

You can construct your a items in this way:
var $a = $('<a class="hasPopupData">...</a>');
$a.data('popup', { /*Your data goes here */ });
$a.appendTo($parent);
And then handle clicks using code like this:
$parentTable.on('click', 'a.hasPopupData', function(){
var $a = $(this),
data = $a.data('popup');
createPopup(data);
return false;
});
Note that jQuery attaches data to DOM node in ‘native’ presentation, without converting them to JSON first.

There are a variety of ways. A simple way is to pass the variable as JSON.
var js = "afunction('" + JSON.stringify(results[i]) + "');return false;"
tableContent += "<td>" + '<a onclick="' + js + '">Open ID Contents</a>' + "</td>"

Update datatable with ajax request

I want to implement a Datatable into a theme, which gets the data via an Ajax Request. Once the document is loaded, I build the HTML part for the datatable. The problem is: Once I click a sort function (for example sort one row ascending) it uses the original data to sort (which is given in the .php file) instead of the new JQuery loaded datatable. So probably I need to reinitialize the datatable or anything else?
HTML Part:
<tbody id="accountList">
<!-- List all accounts -->
<tr>
<td>username#hostname-de</td>
<td>PS</td>
<td>350000</td>
<td>45000</td>
<td>Victor Ibarbo</td>
<td>30 / 30</td>
<td>224500</td>
<td><label class="label label-success">Online</label></td>
</tr>
</tbody>
JQuery part:
function buildAccountList(){
$.ajax({
url: "/database/accounts.php",
type: "POST",
data: {action: "selectAccounts"},
success: function (response) {
var opt = '';
$.each(response, function(i, e){
opt +='<tr>';
opt += '<td>' + e.email + '</td>';
opt += '<td>' + e.platform + '</td>';
opt += '<td>' + e.coins + '</td>';
opt += '<td>' + e.password + '</td>';
opt += '<td>' + e.tradepileCards + '</td>';
opt += '<td>' + e.tradepileValue + '</td>';
opt += '<td>' + e.enabled + '</td>';
opt += '</tr>';
});
$('#accountList').html(opt);
},
dataType: "json"
});
}
The creation of the table works fine, but as I described, once I press a sort function it uses the old table (given by the html file). I hope you guys can help me.

Are you using the jQuery DataTables plug-in? If so, they already have built-in functionality for ajax data sources: DataTables with AJAX
Alternatively, I think you should rather try to modify the table data itself in javascript instead of the rendered HTML. Using the DataTable API, especially table.clear(), table.rows.add() followed by a table.draw()(also check here), you should be able to update the data properly and use the order functionality afterwards.
In response to the comment:
Basically something like this should be enough as an initialization of the datatable:
$(document).ready(function() {
$('#example').dataTable( {
"ajax": 'your url here'
});
});
Then your json should be organized as:
{
"data": [
[
'your columns',
...
],
]
}
If you want to not name the top-level key of your data 'data' you could set it by initializing with
"ajax": {
"url": "data/objects_root_array.txt",
"dataSrc": "your top-level key (or nothing for a flat array"
}
And as last option you can use objects instead of arrays in your ajax by adding a columns option to the initialization:
"ajax": ...,
"columns": [
{ "data": "email" },
{ "data": "platform" },
{ "data": "coins" },
...
]
and return json with objects like that:
{
"email": "some#email.com",
"platform": "PS",
"coins": "320,800",
...
}
By the way, using this you would not even have to add a tbody to the table in the first place at it should be automatically be created by the plugin once it gets the AJAX data.