<?php
# -- BEGIN LICENSE BLOCK ----------------------------------
#
# This file is part of postInfoWidget, a plugin for Dotclear 2.
# 
# Copyright (c) 2009-2015 Jean-Christian Denis and contributors
# 
# Licensed under the GPL version 2.0 license.
# A copy of this license is available in LICENSE file or at
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK ------------------------------------

if (!defined('DC_RC_PATH')) {

	return null;
}

$core->addBehavior(
	'initWidgets',
	array('postInfoWidget', 'adminWidget')
);

class postInfoWidget
{
	public static function adminWidget($w)
	{
		global $core;

		$w->create(
			'postinfowidget',
			__('PostInfoWidget: entry information list'),
			array('postInfoWidget', 'publicWidget'),
			null,
			__('Show Entry informations on a widget')
		);
		$w->postinfowidget->setting(
			'title',
			__('Title:'),
			__('About this entry'),
			'text'
		);
		$w->postinfowidget->setting(
			'dt_str',
			__('Publish date text:'),
			__('Publish on %Y-%m-%d %H:%M'),
			'text'
		);
		$w->postinfowidget->setting(
			'creadt_str',
			__('Create date text:'),
			__('Create on %Y-%m-%d %H:%M'),
			'text'
		);
		$w->postinfowidget->setting(
			'upddt_str',
			__('Update date text:'),
			__('Update on %Y-%m-%d %H:%M'),
			'text'
		);
		$w->postinfowidget->setting(
			'lang_str',
			__('Language (%T = name, %C = code, %F = flag):'),
			__('Language: %T %F'),
			'text'
		);
		$w->postinfowidget->setting(
			'author_str',
			__('Author text (%T = author):'),
			__('Author: %T'),
			'text'
		);
		$w->postinfowidget->setting(
			'category_str',
			__('Category text (%T = category):'),
			__('Category: %T'),
			'text'
		);
		if ($core->plugins->moduleExists('tags')) {
			$w->postinfowidget->setting(
				'tag_str',
				__('Tags text (%T = tags list):'),
				__('Tags: %T'),
				'text'
			);
		}
		$w->postinfowidget->setting(
			'attachment_str',
			__('Attachments text (%T = text, %D = numeric):'),
			__('Attachments: %T'),
			'text'
		);
		$w->postinfowidget->setting(
			'comment_str',
			__('Comments text (%T = text, %D = numeric):'),
			__('Comments: %T'),
			'text'
		);
		$w->postinfowidget->setting(
			'trackback_str',
			__('Trackbacks text (%T = text, %D = numeric):'),
			__('Trackbacks: %T'),
			'text'
		);
		$w->postinfowidget->setting(
			'permalink_str',
			__('Permalink text (%T = text link, %F = full link):'),
			__('%T'),
			'text'
		);
		$w->postinfowidget->setting(
			'feed',
			__('Show comment feed url'),
			1,
			'check'
		);
		$w->postinfowidget->setting(
			'navprevpost',
			__('Link to previous entry (%T = navigation text, %F = entry title):'),
			__('%T'),
			'text'
		);
		$w->postinfowidget->setting(
			'navnextpost',
			__('Link to next entry (%T = navigation text, %F = entry title):'),
			__('%T'),
			'text'
		);
		$w->postinfowidget->setting(
			'navprevcat',
			__('Link to previous entry of this category (%T = navigation text, %F = entry title):'),
			__('%T'),
			'text'
		);
		$w->postinfowidget->setting(
			'navnextcat',
			__('Link to next entry of this category (%T = navigation text, %F = entry title):'),
			__('%T'),
			'text'
		);
		$w->postinfowidget->setting(
			'style',
			__('Try to adapt style'),
			'small',
			'combo',
			array(
				__('No style') => '-',
				__('Small icon') => 'small',
				__('Normal icon') => 'normal'
			)
		);
		$w->postinfowidget->setting(
			'rmvinfo',
			__('Try to remove entry information'),
			1,
			'check'
		);
		$w->postinfowidget->setting(
			'rmvtags',
			__('Try to remove entry tags'),
			1,
			'check'
		);
		$w->postinfowidget->setting(
			'rmvnav',
			__('Try to remove entry navigation'),
			1,
			'check'
		);

		# --BEHAVIOR-- postInfoWidgetAdmin
		$core->callBehavior('postInfoWidgetAdmin', $w);

		$w->postinfowidget->setting(
			'content_only',
			__('Content only'),
			0,
			'check'
		);

		$w->postinfowidget->setting(
			'class',
			__('CSS class:'),
			''
		);
    $w->postinfowidget->setting('offline',__('Offline'),0,'check');
	}

	public static function publicWidget($w)
	{
		global $core, $_ctx;

  	if ($w->offline)
  		return;

		if ($core->url->type != 'post' 
		|| !$_ctx->posts->post_id
		){
			return null;
		}

		$link = '<a href="%s">%s</a>';
		$title = (strlen($w->title) > 0) ? 
			'<h2>'.html::escapeHTML($w->title).'</h2>' : null;
		$content = '';

		if ($w->dt_str != '') {
			$content .= postInfoWidget::li(
				$w,
				'date',
				dt::str(
					$w->dt_str,
					strtotime($_ctx->posts->post_dt),
					$core->blog->settings->system->blog_timezone
				)
			);
		}

		if ($w->creadt_str != '') {
			$content .= postInfoWidget::li(
				$w,
				'create',
				dt::str(
					$w->creadt_str,
					strtotime($_ctx->posts->post_creadt),
					$core->blog->settings->system->blog_timezone
				)
			);
		}

		if ($w->upddt_str != '') {
			$content .= postInfoWidget::li(
				$w,
				'update',
				dt::str(
					$w->upddt_str,
					strtotime($_ctx->posts->post_upddt),
					$core->blog->settings->system->blog_timezone
				)
			);
		}

		if ($w->lang_str != '') {
			$ln = l10n::getISOcodes();
			$lang_code = $_ctx->posts->post_lang ? 
				$_ctx->posts->post_lang : 
				$core->blog->settings->system->lang;
			$lang_name = isset($ln[$lang_code]) ? 
				$ln[$lang_code] : 
				$lang_code;
			$lang_flag = file_exists(
					dirname(__FILE__).
					'/img/flags/'.
					$lang_code.'.png'
				) ? 
				'<img src="'.$core->blog->getQmarkURL().
					'pf=postInfoWidget/img/flags/'.
					$lang_code.'.png" alt="'.$lang_name.'" />' : 
				'';

			$content .= postInfoWidget::li(
				$w,
				'lang',
				str_replace(
					array('%T', '%C', '%F'),
					array($lang_name, $lang_code, $lang_flag),
					html::escapeHTML($w->lang_str)
				)
			);
		}

		if ($w->author_str != '') {
			$content .= postInfoWidget::li(
				$w,
				'author',
				str_replace(
					'%T',
					$_ctx->posts->getAuthorLink(),
					html::escapeHTML($w->author_str)
				)
			);
		}

		if ($w->category_str != '' && $_ctx->posts->cat_id) {
			$content .= postInfoWidget::li(
				$w,
				'category',
				str_replace(
					'%T',
					sprintf(
						$link,
						$_ctx->posts->getCategoryURL(),
						html::escapeHTML($_ctx->posts->cat_title)
					),
					html::escapeHTML($w->category_str)
				)
			);
		}

		if ($w->tag_str != '' && $core->plugins->moduleExists('tags')) {
			$meta = $core->meta->getMetadata(array(
				'meta_type' => 'tag',
				'post_id' => $_ctx->posts->post_id
			));
			$metas = array();
			while ($meta->fetch()) {
				$metas[$meta->meta_id] = sprintf(
					$link,
					$core->blog->url.
						$core->url->getBase('tag')."/".
						rawurlencode($meta->meta_id),
					$meta->meta_id
				);
			}
			if (!empty($metas)) {
				$content .= postInfoWidget::li(
					$w,
					'tag',
					str_replace(
						'%T',
						implode(', ', $metas),
						html::escapeHTML($w->tag_str)
					)
				);
			}
		}

		if ($w->attachment_str != '') {
			$nb = $_ctx->posts->countMedia();
			if ($nb == 0) {
				$attachment_numeric = 0;
				$attachment_textual = __('no attachment');
			}
			elseif ($nb == 1) {
				$attachment_numeric = sprintf(
					$link,
					'#attachment',
					1
				);
				$attachment_textual = sprintf(
					$link,
					'#attachment',
					__('one attachment')
				);
			}
			else {
				$attachment_numeric = sprintf(
					$link,
					'#attachment',
					$nb
				);
				$attachment_textual = sprintf(
					$link,
					'#attachment',
					sprintf(__('%d attachments'), $nb)
				);
			}

			$content .= postInfoWidget::li(
				$w,
				'attachment',
				str_replace(
					array('%T', '%D'),
					array($attachment_textual, $attachment_numeric),
					html::escapeHTML($w->attachment_str)
				)
			);
		}

		if ($w->comment_str != '' && $_ctx->posts->commentsActive()) {
			$nb = $_ctx->posts->nb_comment;
			if ($nb == 0) {
				$comment_numeric = 0;
				$comment_textual = __('no comment');
			}
			elseif ($nb == 1) {
				$comment_numeric = sprintf(
					$link,
					'#comments',
					1
				);
				$comment_textual = sprintf(
					$link,
					'#comments',
					__('one comment')
				);
			}
			else {
				$comment_numeric = sprintf(
					$link,
					'#comments',
					$nb
				);
				$comment_textual = sprintf(
					$link,
					'#comments',
					sprintf(__('%d comments'), $nb)
				);
			}

			$content .= postInfoWidget::li(
				$w,
				'comment',
				str_replace(
					array('%T', '%D'),
					array($comment_textual, $comment_numeric),
					html::escapeHTML($w->comment_str)
				)
			);
		}

		if ($w->trackback_str != '' && $_ctx->posts->trackbacksActive()) {
			$nb = $_ctx->posts->nb_trackback;
			if ($nb == 0) {
				$trackback_numeric = 0;
				$trackback_textual = __('no trackback');
			}
			elseif ($nb == 1) {
				$trackback_numeric = sprintf(
					$link,
					'#pings',
					1
				);
				$trackback_textual = sprintf(
					$link,
					'#pings',
					__('one trackback')
				);
			}
			else {
				$trackback_numeric = sprintf(
					$link,
					'#pings',
					$nb
				);
				$trackback_textual = sprintf(
					$link,
					'#pings',
					sprintf(__('%d trackbacks'), $nb)
				);
			}

			$content .= postInfoWidget::li(
				$w,
				'trackback',
				str_replace(
					array('%T', '%D'),
					array($trackback_textual, $trackback_numeric),
					html::escapeHTML($w->trackback_str)
				)
			);
		}

		if ($w->permalink_str) {
			$content .= postInfoWidget::li(
				$w,
				'permalink',
				str_replace(
					array('%T', '%F'),
					array(
						sprintf(
							$link,
							$_ctx->posts->getURL(),
							__('Permalink')),
						$_ctx->posts->getURL()
					),
					html::escapeHTML($w->permalink_str)
				)
			);
		}

		if ($w->feed && $_ctx->posts->commentsActive()) {
			$content .= postInfoWidget::li(
				$w,
				'feed',
				sprintf(
					$link,
					$core->blog->url.
						$core->url->getBase('feed').
						'/atom/comments/'.
						$_ctx->posts->post_id,
					__("This post's comments feed"),
					html::escapeHTML($w->tag_str)
				)
			);
		}

		if ($w->navprevpost) {
			$npp = postInfoWidget::nav(
				$_ctx->posts,
				-1,
				false,
				__('Previous entry'),
				$w->navprevpost
			);
			if ($npp) {
				$content .= postInfoWidget::li(
					$w,
					'previous',
					$npp
				);
			}
		}
		if ($w->navnextpost) {
			$nnp = postInfoWidget::nav(
				$_ctx->posts,
				1,
				false,
				__('Next entry'),
				$w->navnextpost
			);
			if ($nnp) {
				$content .= postInfoWidget::li(
					$w,
					'next',
					$nnp
				);
			}
		}

		if ($w->navprevcat) {
			$npc = postInfoWidget::nav(
				$_ctx->posts,
				-1,
				true,
				__('Previous entry of this category'),
				$w->navprevcat
			);
			if ($npc) {
				$content .= postInfoWidget::li(
					$w,
					'previous',
					$npc
				);
			}
		}

		if ($w->navnextcat) {
			$nnc = postInfoWidget::nav(
				$_ctx->posts,
				1,
				true,
				__('Next entry of this category'),
				$w->navnextcat
			);
			if ($nnc) {
				$content .= postInfoWidget::li(
					$w,
					'next',
					$nnc
				);
			}
		}

		# --BEHAVIOR-- postInfoWidgetPublic
		$content .= $core->callBehavior('postInfoWidgetPublic', $w);

		if (empty($content)) {

			return null;
		}

		$rmv = '';
		if ($w->rmvinfo || $w->rmvtags || $w->rmvnav) {
			$rmv .= 
			'<script type="text/javascript">'."\n".
			'$(function() {'."\n";
			if ($w->rmvinfo) {
				$rmv .= 
				'var piw_pi=$("#content .post-info");'."\n".
				'if ($(piw_pi).length!=0){$(piw_pi).hide();}'."\n";
			}
			if ($w->rmvtags) {
				$rmv .= 
				'var piw_pt=$("#content .post-tags");'."\n".
				'if ($(piw_pt).length!=0){$(piw_pt).hide();}'."\n";
			}
			if ($w->rmvnav) {
				$rmv .= 
				'var piw_pn=$("#content #navlinks");'."\n".
				'if ($(piw_pn).length!=0){$(piw_pn).hide();}'."\n";
			}
			$rmv .= 
			'});'."\n".
			"</script>\n";
		}
		
		$rmv =
		($w->title ? $w->renderTitle(html::escapeHTML($w->title)) : '').
		'<ul>'.$content.'</ul>';

		return $w->renderDiv($w->content_only,'postinfowidget '.$w->class,'',$rmv);
	}

	public static function li($w, $i, $c)
	{
		$s = ' style="padding-left:%spx;background: transparent url(\''.$GLOBALS['core']->blog->getQmarkURL().'pf=postInfoWidget/img/%s%s.png\') no-repeat left center;"';
		if ($w->style == 'small') {
			$s = sprintf($s, 16, $i, '-small');
		}
		elseif($w->style == 'normal') {
			$s = sprintf($s, 20, $i, '');
		}
		else {
			$s = '';
		}
		$l = '<li class="postinfo-%s"%s>%s</li>';

		return sprintf($l, $i, $s, $c);
	}

	public static function nav($p, $d, $r, $t, $c)
	{
		global $core;

		$rs = $core->blog->getNextPost($p, $d, $r);
		if ($rs !== null) {
			$l = '<a href="%s" title="%s">%s</a>';
			$u = $rs->getURL();
			$e = html::escapeHTML($rs->post_title);

			return str_replace(
				array('%T', '%F'),
				array(sprintf($l, $u, $e, $t), sprintf($l, $u, $t, $e)),
				$c
			);
		}

		return '';
	}
}