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<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Controller performs action over translations.
* Translatin are used for dynamic translation of text stored in database.
*
* @package Controller
*/
class Translations_Controller extends Controller
{

/**
* Default function for translations.
* @return unknown_type
*/
public function index()
{
url::redirect('translations/show_all');
}

/**
* Shows all translations table.
*
* @param integer $limit_results
* @param string $order_by
* @param string $order_by_direction
*/
public function show_all(
$limit_results = 200, $order_by = 'id', $order_by_direction = 'asc',
$page_word = null, $page = 1)
{
// check if logged user have access right to view all translations

if (!$this->acl_check_view(get_class($this), 'translation'))
Controller::Error(ACCESS);

// get new selector
if (is_numeric($this->input->post('record_per_page')))
$limit_results = (int) $this->input->post('record_per_page');

// get order of grid from parameters
$allowed_order_type = array('id', 'original_term', 'translated_term', 'lang');
if (!in_array(strtolower($order_by), $allowed_order_type))
$order_by = 'id';
if (strtolower($order_by_direction) != 'desc')
$order_by_direction = 'asc';

// get data from database
$model_translations = new Translation_Model();
$total_translations = $model_translations->count_all();
if (($sql_offset = ($page - 1) * $limit_results) > $total_translations)
$sql_offset = 0;
$all_translations = $model_translations->orderby($order_by, $order_by_direction)
->limit($limit_results, $sql_offset)
->find_all();

// create grid
$grid = new Grid('translations', null, array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 200,
'selector_min' => 200,
'selector_max_multiplier' => 10,
'base_url' => Config::get('lang') . '/translations/show_all/'
. $limit_results . '/' . $order_by . '/' . $order_by_direction,
'uri_segment' => 'page',
'total_items' => $total_translations,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => $order_by,
'order_by_direction' => $order_by_direction,
'limit_results' => $limit_results
));

// add button for new translation
// check if logged user have access right to add new translation
if ($this->acl_check_new(get_class($this), 'translation'))
{
$grid->add_new_button('translations/add', __('Add new translation'));
}

// set grid fields
$grid->order_field('original_term');
$grid->order_field('translated_term');
$grid->order_field('lang')
->label(__('Language'));
$actions = $grid->grouped_action_field();

// check if logged user have access right to edit this translation
if ($this->acl_check_edit(get_class($this), 'translation'))
{
$actions->add_action()
->icon_action('edit')
->url('translations/edit');
}

// check if logged user have access right to delete this translation
if ($this->acl_check_delete(get_class($this), 'translation'))
{
$actions->add_action()
->icon_action('delete')
->url('translations/delete')
->class('delete_link');
}

// set grid datasource
$grid->datasource($all_translations);

// create view for this template
$headline = __('Translations');
$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $headline;
$view->content = new View('show_all');
$view->content->table = $grid;
$view->content->headline = $headline;
$view->render(TRUE);
}

/**
* Adds translation of new term.
*/
public function add()
{
// access control
if (!$this->acl_check_new(get_class($this), 'translation'))
Controller::error(ACCESS);

// form for new translation
$form = new Forge('translations/add');
$form->input('original_term')
->label(__('Original term') . ':')
->rules('required|length[1,254]');
$form->input('translated_term')
->label(__('Translated term') . ':')
->rules('required|length[1,254]');
$form->input('lang')
->label(__('Destination language') . ':')
->rules('required|length[1,50]');
$form->submit('Add');

// test validity of input, if it is validate it will continue in show_all
if ($form->validate())
{
$form_data = $form->as_array();
// assigns new translation data to model
$translation_data = new Translation_Model();
$translation_data->original_term = $form_data['original_term'];
$translation_data->translated_term = $form_data['translated_term'];
$translation_data->lang = $form_data['lang'];
// clears form content
unset($form_data);
// has translation been successfully saved?
if ($translation_data->save())
{
status::success('Translation has been successfully added.');
url::redirect('translations/show_all');
}
else
{
status::error('Error - can\'t add new translation.');
}
}
else
{
// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('translations/show_all', 'Translations')
->text('Add new translation');
// view for adding translation
$view = new View('main');
$view->title = __('Add new translation');
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('form');
$view->content->headline = __('Add new translation');
$view->content->form = $form->html();
$view->render(TRUE);
}
}

/**
* Edits translation of existing term.
*
* @param integer $id id of term
*/
public function edit($id = NULL)
{
// access control
if (!$this->acl_check_edit(get_class($this), 'translation'))
Controller::error(ACCESS);

if (!$id || !is_numeric($id))
Controller::warning(PARAMETER);
// creates translation model with given id
$translation = new Translation_Model($id);
if (!$translation || !$translation->id)
Controller::error(RECORD);
// creates form for editing
$form = new Forge('translations/edit/' . $id);

// creates input fields and fills them with data
$form->input('original_term')
->label(__('Original term') . ':')
->rules('required|length[1,254]')
->value($translation->original_term);

$form->input('translated_term')
->label(__('Translated term') . ':')
->rules('required|length[1,254]')
->value($translation->translated_term);

$form->input('lang')
->label(__('Destination language') . ':')
->rules('required|length[1,50]')
->value($translation->lang);

$form->submit('Update');

// validates form
if ($form->validate())
{
$form_data = $form->as_array();
$translation->original_term = $form_data['original_term'];
$translation->translated_term = $form_data['translated_term'];
$translation->lang = $form_data['lang'];
unset($form_data);

if ($translation->save())
{
status::success('Translation has been successfully updated.');
url::redirect('translations/show_all');
}
}


// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('translations/show_all', 'Translations')
->disable_translation()
->text($translation->original_term . ': ' .
$translation->translated_term . ' (' .
$translation->lang . ')')
->enable_translation()
->text('Edit translation');

$view = new View('main');
$view->title = __('Edit translation');
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('form');
$view->content->headline = __('Edit translation');
$view->content->form = $form->html();
$view->render(TRUE);
}

/**
* Deletes term and its translation from database.
*
* @param integer $id id of term
*/
public function delete($id = NULL)
{
// access control
if (!$this->acl_check_delete(get_class($this), 'translation'))
Controller::error(ACCESS);

if (isset($id))
{
$translation_model = new Translation_Model();
$translation_model->find($id, FALSE)->delete($id);
if ($translation_model->save())
{
status::success('Translation has been successfully deleted');
url::redirect('translations/show_all');
}
else
{
status::error('Error - can\'t delete translation');
}
}
else
{
Controller::warning(PARAMETER);
}
}

}
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