<?php
// Classes and libraries for module system
//
// webtrees: Web based Family History software
// Copyright (C) 2011 webtrees development team.
//
// Derived from PhpGedView
// Copyright (C) 2010 John Finlay
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// $Id$

if (!defined('WT_WEBTREES')) {
	header('HTTP/1.0 403 Forbidden');
	exit;
}

class media_WT_Module extends WT_Module implements WT_Module_Tab {
	// Extend WT_Module
	public function getTitle() {
		return /* I18N: Name of a module */ WT_I18N::translate('Media');
	}

	// Extend WT_Module
	public function getDescription() {
		return /* I18N: Description of the "Media" module */ WT_I18N::translate('A tab showing the media objects linked to an individual.');
	}

	// Implement WT_Module_Tab
	public function defaultTabOrder() {
		return 50;
	}

	protected $mediaCount = null;

	// Implement WT_Module_Tab
	public function hasTabContent() {
		return WT_USER_CAN_EDIT || $this->get_media_count()>0;
	}
	
	// Implement WT_Module_Tab
	public function isGrayedOut() {
		return $this->get_media_count()==0;
	}

	// Implement WT_Module_Tab
	public function getTabContent() {
		global $NAV_MEDIA;

		ob_start();
		// For Reorder media ------------------------------------
		if (WT_USER_GEDCOM_ADMIN) {
			echo "<center>";
			require_once './includes/media_tab_head.php';
			echo "</center>";
		}
		?>
		<div id="media_content">
		<table class="facts_table">
		<?php
		$media_found = false;
		if (!$this->controller->indi->canDisplayDetails()) {
			echo "<tr><td class=\"facts_value\">";
			print_privacy_error();
			echo "</td></tr>";
		}
		else {
			$media_found = print_main_media($this->controller->pid, 0, true);
			if (!$media_found) echo "<tr><td id=\"no_tab4\" colspan=\"2\" class=\"facts_value\">".WT_I18N::translate('There are no media objects for this individual.')."</td></tr>";
			//-- New Media link
			if (WT_USER_CAN_EDIT && $this->controller->indi->canDisplayDetails() && get_gedcom_setting(WT_GED_ID, 'MEDIA_UPLOAD') >= WT_USER_ACCESS_LEVEL) {
		?>
				<tr>
					<td class="facts_label"><?php echo WT_I18N::translate('Add media'), help_link('add_media'); ?></td>
					<td class="facts_value">
						<a href="javascript:;" onclick="window.open('addmedia.php?action=showmediaform&linktoid=<?php echo $this->controller->pid; ?>', '_blank', 'top=50,left=50,width=600,height=500,resizable=1,scrollbars=1'); return false;"> <?php echo WT_I18N::translate('Add a new media object'); ?></a><br />
						<a href="javascript:;" onclick="window.open('inverselink.php?linktoid=<?php echo $this->controller->pid; ?>&linkto=person', '_blank', 'top=50,left=50,width=400,height=300,resizable=1,scrollbars=1'); return false;"><?php echo WT_I18N::translate('Link to an existing media object'); ?></a>
					</td>
				</tr>
			<?php
			}
		}
		?>
		</table>
			</div>
	<?php
		return '<div id="'.$this->getName().'_content">'.ob_get_clean().'</div>';
	}

	/**
	* get the number of media items for this person
	* @return int
	*/
	function get_media_count() {
		if ($this->mediaCount===null) {
			$ct = preg_match("/\d OBJE/", $this->controller->indi->getGedcomRecord());
			foreach ($this->controller->indi->getSpouseFamilies() as $sfam)
				$ct += preg_match("/\d OBJE/", $sfam->getGedcomRecord());
			$this->mediaCount = $ct;
		}
		return $this->mediaCount;
	}

	// Implement WT_Module_Tab
	public function canLoadAjax() {
		global $SEARCH_SPIDER;

		return !$SEARCH_SPIDER; // Search engines cannot use AJAX
	}

	// Implement WT_Module_Tab
	public function getPreLoadContent() {
		return '';
	}

	// Implement WT_Module_Tab
	public function getJSCallback() {
		return '';
	}

}
