<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_contact
 *
 * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

/**
 * View to edit a contact.
 *
 * @since  1.6
 */
class ContactViewContact extends JViewLegacy
{
	/**
	 * The JForm object
	 *
	 * @var  JForm
	 */
	protected $form;

	/**
	 * The active item
	 *
	 * @var  object
	 */
	protected $item;

	/**
	 * The model state
	 *
	 * @var  object
	 */
	protected $state;

	/**
	 * Display the view.
	 *
	 * @param   string  $tpl  The name of the template file to parse; automatically searches through the template paths.
	 *
	 * @return  mixed  A string if successful, otherwise an Error object.
	 */
	public function display($tpl = null)
	{
		// Initialise variables.
		$this->form  = $this->get('Form');
		$this->item  = $this->get('Item');
		$this->state = $this->get('State');

		// Check for errors.
		if (count($errors = $this->get('Errors')))
		{
			throw new Exception(implode("\n", $errors), 500);
		}

		// If we are forcing a language in modal (used for associations).
		if ($this->getLayout() === 'modal' && $forcedLanguage = JFactory::getApplication()->input->get('forcedLanguage', '', 'cmd'))
		{
			// Set the language field to the forcedLanguage and disable changing it.
			$this->form->setValue('language', null, $forcedLanguage);
			$this->form->setFieldAttribute('language', 'readonly', 'true');

			// Only allow to select categories with All language or with the forced language.
			$this->form->setFieldAttribute('catid', 'language', '*,' . $forcedLanguage);

			// Only allow to select tags with All language or with the forced language.
			$this->form->setFieldAttribute('tags', 'language', '*,' . $forcedLanguage);
		}

		$this->addToolbar();

		return parent::display($tpl);
	}

	/**
	 * Add the page title and toolbar.
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function addToolbar()
	{
		JFactory::getApplication()->input->set('hidemainmenu', true);

		$user       = JFactory::getUser();
		$userId     = $user->id;
		$isNew      = ($this->item->id == 0);
		$checkedOut = !($this->item->checked_out == 0 || $this->item->checked_out == $userId);

		// Since we don't track these assets at the item level, use the category id.
		$canDo = JHelperContent::getActions('com_contact', 'category', $this->item->catid);

		JToolbarHelper::title($isNew ? JText::_('COM_CONTACT_MANAGER_CONTACT_NEW') : JText::_('COM_CONTACT_MANAGER_CONTACT_EDIT'), 'address contact');

		// Build the actions for new and existing records.
		if ($isNew)
		{
			// For new records, check the create permission.
			if ($isNew && (count($user->getAuthorisedCategories('com_contact', 'core.create')) > 0))
			{
				JToolbarHelper::apply('contact.apply');
				JToolbarHelper::save('contact.save');
				JToolbarHelper::save2new('contact.save2new');
			}

			JToolbarHelper::cancel('contact.cancel');
		}
		else
		{
			// Since it's an existing record, check the edit permission, or fall back to edit own if the owner.
			$itemEditable = $canDo->get('core.edit') || ($canDo->get('core.edit.own') && $this->item->created_by == $userId);

			// Can't save the record if it's checked out and editable
			if (!$checkedOut && $itemEditable)
			{
				JToolbarHelper::apply('contact.apply');
				JToolbarHelper::save('contact.save');

				// We can save this record, but check the create permission to see if we can return to make a new one.
				if ($canDo->get('core.create'))
				{
					JToolbarHelper::save2new('contact.save2new');
				}
			}

			// If checked out, we can still save
			if ($canDo->get('core.create'))
			{
				JToolbarHelper::save2copy('contact.save2copy');
			}

			if (JComponentHelper::isEnabled('com_contenthistory') && $this->state->params->get('save_history', 0) && $itemEditable)
			{
				JToolbarHelper::versions('com_contact.contact', $this->item->id);
			}

			JToolbarHelper::cancel('contact.cancel', 'JTOOLBAR_CLOSE');
		}

		JToolbarHelper::divider();
		JToolbarHelper::help('JHELP_COMPONENTS_CONTACTS_CONTACTS_EDIT');
	}
}
