/application/core/ADMIN_Core_controller.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');



class ADMIN_core_controller extends CI_Controller

{

	public $breadcrumb_array = array();



	public $data = array();

	public $class_name = '';

	public $user_data;

	

	public function __construct()

	{

		parent::__construct();

		

		$this->class_name = strtolower(get_class($this));

		$this->data['class_name'] = $this->class_name;

		$config = $this->config->item('modules');

		

		if(is_array($this->load_config))

		{

			$configs = array();

			foreach($this->load_config as $module)

			{

				$configs = array_merge($configs,$config[$module]);	

			}

			$this->data = array_merge($configs, $config[$this->class_name]);	

		}

		else

		{

			$this->data = $config[$this->class_name];	

		}

		$this->restrictions = explode("|",$this->data['restrictions']);



		$site_config = $this->config->item('general');

		$this->data['site_config'] = $site_config[$this->uri->segment(1)];

		$this->load->model($this->data['main_model'], 'main_model');

		

		if($this->data['parent_main_model'])

		{

			$this->load->model($this->data['parent_main_model'], 'parent_main_model');	

		}

		

		$this->ini_condition = $this->data['list_condition'] ? $this->data['list_condition'] : $this->data['ini_condition'];

		$this->admin_override = $this->data['admin_override'];

		

		$this->main_model_tabs = $config[ $this->class_name ]['main_model_tabs'];

		$this->datatable_actions = $config[ $this->class_name ]['datatable_actions'];

		$this->user_data = $this->session->userdata($this->data['site_config']['user_session']);

		// redirect if not logged in, only if url is different from the user login page.

		

		$this->session->set_userdata('user_id',$this->bitauth->user_id);

		if($this->uri->segment(2) == 'generame-la-clave')

		{

			$uri_string = $this->uri->segment(1)."/".$this->uri->segment(2);

		}

		else

		{

			$uri_string = $this->uri->uri_string();

		}

		$allowed_pages = array('admin/user/login','admin/user/forgot_password','admin/olvide-la-clave','admin/generame-la-clave');		

		

		if(!in_array($uri_string,$allowed_pages))

		{

			if(!$this->bitauth->logged_in() && (!$this->bitauth->is_admin() || $this->bitauth->is_in_group(2)))

			{

				$this->session->set_userdata('user_id',$this->bitauth->user_id);

				$this->session->set_userdata('username',$this->bitauth->username);

				

				redirect($this->data['site_config']['login_page'], 'refresh');	

			}

		}

		$sql2 = "SET  @@session.sql_mode='';";

		$this->db->query($sql2);

		

		$this->split_fields();

		$this->get_parent_methods();

	}



	public function has_permission($perm)

	{

		if($this->bitauth->is_admin()) return true;	

	

		return !in_array($perm,$this->restrictions);

	}

	

	public function user_content_only()

	{

		if($this->bitauth->is_admin()) return false;	

	

		return in_array('own_content',$this->restrictions);

		

	}



	public function make_breadcrumb($current_method, $id='', $model=NULL)

	{

		if(is_array($this->data['parent_index_route']))

		{

			$this->breadcrumb_array[$this->data['parent_index_route']['label']] = '#'.$this->data['parent_index_route']['url'];

		}

		

		if($id!='undefined') // show list should be the only method without main_model id. therefore parent is taken from main_model

		{

				if(!in_array($current_method,$this->data['parent_methods']))

				{

					$this->main_model->get($id);

					if($this->data['parent_main_model'] && $this->parent_main_model->get($this->main_model->get_parent_id()))

					{

						$this->breadcrumb_array[$this->parent_main_model->get_label()] = '#'.$this->data['parent_description_route'].$this->parent_main_model->get_id();

						$parent_id = $this->parent_main_model->get_id();

					}	

				}

				else

				{

					if($this->data['parent_main_model'] && $this->parent_main_model->get($id))

					{

						$this->breadcrumb_array[$this->parent_main_model->get_label()] = '#'.$this->data['parent_description_route'].$this->parent_main_model->get_id();

						$parent_id = $this->parent_main_model->get_id();

					}

				}

		}

		

		$module_url = $this->data['module_url'] ? $this->data['module_url'] : '#'.$this->class_name.'/show_list/'.$parent_id;

		

		if(!$this->main_model)

		{

			$this->breadcrumb_array = array();	

		}

		else

		{

			switch($current_method)

			{

				case 'create':

					$this->breadcrumb_array[$this->data['module_label']] = $module_url;

					$this->breadcrumb_array["Agregar ".$this->unit_label] = '#'.$this->class_name.'/create/'.$parent_id;

					break;

				case 'relation':

					//$this->main_model->get_relation($model, $id);

					$this->breadcrumb_array[$this->data['module_label']] = $module_url;

					$this->breadcrumb_array[$this->main_model->get_label()] = '#'.$this->class_name.'/details/'.$this->main_model->get_id();

					$this->breadcrumb_array['Relaci&oacute;n'] = '#'.$this->class_name.'/relation/user/'.$this->main_model->get_id();

	

				default: 

					$this->breadcrumb_array[$this->data['module_label']] = $module_url;

					$this->breadcrumb_array[$this->main_model->get_label()] = '#'.$this->class_name.'/details/'.$this->main_model->get_id();

					

				break;

			}

		}

		$this->load_breadcrumb();

	}



	public function load_breadcrumb($breadcrumb=NULL)

	{



		$bc = ($breadcrumb==NULL)?$this->breadcrumb_array:$breadcrumb;



		if(is_array($bc) && count($bc) > 0 )

		{

			$this->breadcrumb->clear();

			$this->breadcrumb->push_as_array($bc);

			echo $this->breadcrumb->get();

		}

	}



	protected function get_parent_methods()

	{

		if(is_array($this->data['top_menu_actions']))

		{

			foreach($this->data['top_menu_actions'] as $action_id => $details)

			{

				if($this->has_permission($action_id))

					$this->data['parent_methods'][] = $details['method'];	

			}

		}



		

	}





	public function top_menu_actions($current_method = '', $id = '')

	{

		//example: $this->data['top_menu_actions'] = array( 'add_user' => array('method' => 'save', 'icon' => "ui-icon-circle-plus", 'label' => "Agregar Usuario"));



		if($id!='undefined') // show list should be the only method without main_model id. therefore parent is taken from main_model

		{

				if(!in_array($current_method,$this->data['parent_methods']))

				{

					$this->main_model->get($id);

					if($this->data['parent_main_model'] && $this->parent_main_model->get($this->main_model->get_parent_id()))

					{

						$this->top_menu_data['parent_id'] = $this->parent_main_model->get_id();

					}	

				}

				else

				{

					if($this->data['parent_main_model'] && $this->parent_main_model->get($id))

					{

						$this->top_menu_data['parent_id'] = $this->parent_main_model->get_id();

					}

				}

		}

		$this->top_menu_data['current_method'] =$current_method;

		$this->load->view("admin/common/inc.top.menu.actions.php", $this->top_menu_data);

	}

	

	/*

	Splits the fields array into page_fields[$visible_page][field_id][field_attributes]

	*/

	

	protected function set_field_attrs($field,$attr,$value)

	{

		if($this->data['fields'][$field])

		{

			$this->data['fields'][$field][$attr] = $value;

			if($this->data['fields'][$field]['visibility'])

			{

				$visibilities = explode("|", $this->data['fields'][$field]['visibility']);

				foreach($visibilities as $visibility)

				{

					$displays = explode(":",$visibility);

					

					$attrs['display'] = $displays[1] ? $displays[1] : "left";

					$this->data['page_fields'][$displays[0]][$field][$attr] = $value;

				}

			}

		}

	}

	

	

	protected function split_fields()

	{

		if(!is_array($this->data['fields'])) return 0;

		

		$file_types = array('image','image_gallery','video','archive','file');

		$this->data['page_fields'] = array();

		$this->data['page_displays'] = array();

		foreach($this->data['fields'] as $field_id => $attrs)

		{

			if($attrs['visibility'])

			{

				$visibilities = explode("|", $attrs['visibility']);

				foreach($visibilities as $visibility)

				{

					$displays = explode(":",$visibility);

					

					$attrs['display'] = $displays[1] ? $displays[1] : "left";

					

					if($displays[0] == 'save')

					{

						$this->data['page_fields']['create'][$field_id] = $attrs;

						$this->data['page_displays']['create'][$attrs['display']][] = $field_id;

						

						$this->data['page_fields']['edit'][$field_id] = $attrs;

						$this->data['page_displays']['edit'][$attrs['display']][] = $field_id;						

					}

					else

					{

						$this->data['page_fields'][$displays[0]][$field_id] = $attrs;

						$this->data['page_displays'][$displays[0]][$attrs['display']][] = $field_id;

					}

				}

			}

			if($attrs['list_visibility'] == 'expanded')

			{

				$this->data['datatable_details'] = true;	

			}

			

			if($attrs['list_editable'])

			{

				$this->data['list_editable_fields'][$field_id] = $attrs;	

			}

			// insert file fields;

			if(in_array($attrs['type'],$file_types))

			{

				$this->file_fields[$field_id] = $attrs;

			}

		}

		$this->split_relation_fields();

	}

	

	/*

	Splits the relation fields array into data['relation'][$model]['page_fields'][$visible_page][$field_id][$field_attributes]

	*/

	protected function split_relation_fields()

	{

		if(!is_array($this->data['relation'])) return 0;

		

		$file_types = array('image','video','archive');

		foreach($this->data['relation'] as $model => $model_attrs)

		{

			$this->data['relation'][$model]['page_fields'] = array();

			foreach($model_attrs['fields'] as $field_id => $attrs)

			{

				if($attrs['visibility'])

				{

					$visibilities = explode("|", $attrs['visibility']);

					foreach($visibilities as $visibility)

					{

						$this->data['relation'][$model]['page_fields'][$visibility][$field_id] = $attrs;	

					}

				}

			}

		}

	}



	protected function replace_vars(&$field)

	{

		// '$this->var' is replaced by [[var]] 

		$var = get_text_between_tags("[[","]]",$field);

		if($var)

		{

			$vars = explode("->",$var);

			switch(count($vars))

			{

				case 1: $var = $this->$vars[0];

						break;

				case 2: $var = $this->$vars[0]->$vars[1];

						break;

				case 3: $var = $this->$vars[0]->$vars[1]->$vars[2];

						break;

				case 4: $var = $this->$vars[0]->$vars[1]->$vars[2]->$vars[3];

			}

			$field = replace_text_between_tags("[[","]]" ,$var, $field, true);

		}

	}

}



?>