Custom component of Joomla - for multiple checkboxes selection issue

For multiple checkboxes issues in Joomla. If you are facing any problem like this you can solve it by following instruction:

in libraries/joomla/form/fields/checkboxes.php

line line 67: 

need to change this two lines

$values = (is_array($this->value)) ? (array) $this->value : explode(",",$this->value);

$checked = (in_array((string) $option->value, $values) ? ' checked="checked"' : '');

You can check joomlacode.org.

http://joomlacode.org/gf/project/joomla/tracker/?action=TrackerItemEdit&tracker_item_id=28640

Joomla 2.5.11 to Joomla 2.5.11 2.5.14 bug Frontend login error: “You cannot access the private section"

This bug you can solve it easily by using phpmyadmin. You have to run 2 query into assets table.

1) UPDATE `prefix_assets` SET `parent_id`=1 WHERE `parent_id`=0 AND id>1

After executing first query, run the following query:

2) UPDATE `prefix_assets` SET `parent_id`=0 WHERE `title` = 'Root Asset'

I hope this can help you

Recaptcha into custom form in Joomla

How to use recaptcha into custom form in joomla::

In order to use joomla default recaptcha plugin follow these steps-

1)Get recaptcha keys from http://www.google.com/recaptcha

2)Set these keys to recaptcha plugin and activate it if it's not.

3)Put below code where you want to show recaptcha

//php code
JPluginHelper::importPlugin('captcha');
$dispatcher = JDispatcher::getInstance();
$dispatcher->trigger('onInit','dynamic_recaptcha_1');

//html code inside form tag
<div id="dynamic_recaptcha_1"></div>

4)Put this code where you validating/processing the form

$post = JRequest::get('post');
JPluginHelper::importPlugin('captcha');
$dispatcher = JDispatcher::getInstance();
$res = $dispatcher->trigger('onCheckAnswer',$post['recaptcha_response_field']);
if(!$res[0]){
die('Invalid Captcha');
}

//For Joomla 3.x

$post = JFactory::getApplication->input->post;
$dispatcher = JEventDispatcher::getInstance();

How to load Joomla framework into your non Joomla/ external php script

Load the Joomla! Framework in a Non-Joomla! PHP Script:

If you've ever had the need to load the Joomla! framework inside an external, non-Joomla! PHP script (say, when using Jumi), you can use this handy script to load the necessary files to allow you to use Joomla! classes in your PHP script.

define( '_JEXEC', 1 );
define( '_VALID_MOS', 1 );
// JPATH_BASE should point to Joomla!'s root directory
define( 'JPATH_BASE', realpath(dirname(__FILE__) .'/' ) );
define( 'DS', DIRECTORY_SEPARATOR );
require_once ( JPATH_BASE .DS.'includes'.DS.'defines.php' );
require_once ( JPATH_BASE .DS.'includes'.DS.'framework.php' );
$mainframe =& JFactory::getApplication('site');
$mainframe->initialise();

How to add calender or datepicker in Joomla 3 or Joomla 2.5

How to add calender or datepicker in Joomla 3 or Joomla 2.5 :

JHTML::_('behavior.calendar');
JHTML::_('behavior.tooltip');

<?php echo JHTML::calendar('','published_date','inputdate','%Y-%m-%d'); ?>

where field name->published_date
and input id ->inputdate

For populating State dropdown list after selecting Country specific States for any Joomla form or custom component !!!

Joomla System Plugin->For populating State dropdown list after selecting Country specific States . I hope this plugin will save your much time for custom extension in Joomla. I used in a custom component. This plugin worked good and saved much time for me.

http://www.sistemistica.it/cslookup.html

How to use Joomla categories as dropdown into your custom component of Joomla 2.5 or Joomla 3.3 ??

How to use Joomla categories into your custom component ??

Just using the following into your component form xml file.

<field name="category" type="Category" extension="com_content" size="40" class="inputbox" label="Select Category"
description="Category list"
required="true"
filter="safehtml" />

I hope it will save your much time......