Merge branch 'dev' of https://github.com/redmatrix/hubzilla into xdev_merge

8 files changed, 209 insertions, 128 deletions

diff --git a/Zotlabs/Module/Help.php b/Zotlabs/Module/Help.php
index e98cb9d4d..f3cc3aa5f 100644
--- a/Zotlabs/Module/Help.php
+++ b/Zotlabs/Module/Help.php
@@ -88,12 +88,15 @@ class Help extends \Zotlabs\Web\Controller {
 			$heading = $headings[argv(1)];
 
 		$content =  get_help_content();
+		
+		$language = determine_help_language()['language'];
 
 		return replace_macros(get_markup_template('help.tpl'), array(
 			'$title'      => t('$Projectname Documentation'),
 			'$tocHeading' => t('Contents'),
 			'$content'    => $content,
-			'$heading'    => $heading
+			'$heading'    => $heading,
+			'$language'   => $language
 		));
 	}
 
diff --git a/Zotlabs/Module/Network.php b/Zotlabs/Module/Network.php
index 36ae7f047..82c997270 100644
--- a/Zotlabs/Module/Network.php
+++ b/Zotlabs/Module/Network.php
@@ -116,7 +116,6 @@ class Network extends \Zotlabs\Web\Controller {
 		$spam     = ((x($_GET,'spam'))  ? intval($_GET['spam'])  : 0);
 		$cmin     = ((x($_GET,'cmin'))  ? intval($_GET['cmin'])  : 0);
 		$cmax     = ((x($_GET,'cmax'))  ? intval($_GET['cmax'])  : 99);
-		$firehose = ((x($_GET,'fh'))    ? intval($_GET['fh'])    : 0);
 		$file     = ((x($_GET,'file'))  ? $_GET['file']          : '');
 		$xchan    = ((x($_GET,'xchan')) ? $_GET['xchan']         : '');
 		
@@ -290,9 +289,6 @@ class Network extends \Zotlabs\Web\Controller {
 			// We only launch liveUpdate if you aren't filtering in some incompatible
 			// way and also you aren't writing a comment (discovered in javascript).
 	
-			if($gid || $cid || $cmin || ($cmax != 99) || $star || $liked || $conv || $spam || $nouveau || $list)
-				$firehose = 0;
-	
 			$maxheight = get_pconfig(local_channel(),'system','network_divmore_height');
 			if(! $maxheight)
 				$maxheight = 400;
@@ -315,7 +311,7 @@ class Network extends \Zotlabs\Web\Controller {
 				'$liked'   => (($liked) ? $liked : '0'),
 				'$conv'    => (($conv) ? $conv : '0'),
 				'$spam'    => (($spam) ? $spam : '0'),
-				'$fh'      => (($firehose) ? $firehose : '0'),
+				'$fh'      => '0',
 				'$nouveau' => (($nouveau) ? $nouveau : '0'),
 				'$wall'    => '0',
 				'$static'  => $static, 
@@ -409,17 +405,7 @@ class Network extends \Zotlabs\Web\Controller {
 		}
 	
 		$abook_uids = " and abook.abook_channel = " . local_channel() . " ";
-
-		$disable_discover_tab = get_config('system','disable_discover_tab') || get_config('system','disable_discover_tab') === false;
-		if($firehose && (! $disable_discover_tab)) {
-			require_once('include/channel.php');
-			$sys = get_sys_channel();
-			$uids = " and item.uid  = " . intval($sys['channel_id']) . " ";
-			\App::$data['firehose'] = intval($sys['channel_id']);
-		}
-		else {
-			$uids = " and item.uid = " . local_channel() . " ";
-		}
+		$uids = " and item.uid = " . local_channel() . " ";
 	
 		if(get_pconfig(local_channel(),'system','network_list_mode'))
 			$page_mode = 'list';
@@ -516,7 +502,7 @@ class Network extends \Zotlabs\Web\Controller {
 					dbesc($parents_str)
 				);
 	
-				xchan_query($items,true,(($firehose) ? local_channel() : 0));
+				xchan_query($items,true);
 				$items = fetch_post_tags($items,true);
 				$items = conv_sort($items,$ordering);
 			}
@@ -546,7 +532,7 @@ class Network extends \Zotlabs\Web\Controller {
 			}
 		}
 	
-		if(($update_unseen) && (! $firehose)) {
+		if($update_unseen) {
 			$x = [ 'channel_id' => local_channel(), 'update' => 'unset' ];
 			call_hooks('update_unseen',$x);
 			if($x['update'] === 'unset' || intval($x['update'])) {
diff --git a/Zotlabs/Widget/Helpindex.php b/Zotlabs/Widget/Helpindex.php
index f23e73e75..8299cf16a 100644
--- a/Zotlabs/Widget/Helpindex.php
+++ b/Zotlabs/Widget/Helpindex.php
@@ -9,14 +9,22 @@ class Helpindex {
 		$o .= '<div class="widget">';
 
 		$level_0 = get_help_content('sitetoc');
-		if(! $level_0)
-			$level_0 = get_help_content('toc');
+		if(! $level_0) {
+			$path = 'toc';
+			$x = determine_help_language();
+			$lang = $x['language'];
+			if($lang !== 'en') {
+				$path = $lang . '/toc';
+			}
+			$level_0 = get_help_content($path);
+		}
 
 		$level_0 = preg_replace('/\<ul(.*?)\>/','<ul class="nav nav-pills flex-column">',$level_0);
 
 		$levels = array();
 
 
+		// TODO: Implement support for translations in hierarchical table of content files
 		if(argc() > 2) {
 			$path = '';
 			for($x = 1; $x < argc(); $x ++) {
diff --git a/doc/toc.html b/doc/toc.html
index 4da01d55d..1b7de3cb3 100644
--- a/doc/toc.html
+++ b/doc/toc.html
@@ -71,65 +71,3 @@
         </div>
     </div>
 </div>
-<script>
-	toc = {};
-    // Generate the table of contents in the side nav menu (see view/tpl/help.tpl)
-    $(document).ready(function () {
-        $(".doco-section").find('a').each(function(){
-            var url = document.createElement('a');
-            url.href = window.location;
-            var pageName = url.href.split('/').pop().split('#').shift().split('?').shift();
-            var linkName = $(this).attr('href').split('/').pop();
-            if(pageName === linkName) {
-                var tocUl = $(this).closest('a').append('<ul>').find('ul');
-                tocUl.removeClass();  // Classes are automatically added to <ul> elements by something else
-                tocUl.toc({content: "#doco-content", headings: "h3"});
-                tocUl.addClass('toc-content');
-				tocUl.addClass('list-unstyled');
-		tocUl.attr('id', 'doco-side-toc');
-
-            }
-        });
-		
-		$(document.body).trigger("sticky_kit:recalc");
-
-		toc.contentTop = [];
-		toc.edgeMargin    = 20;   // margin above the top or margin from the end of the page
-		toc.topRange      = 200;  // measure from the top of the viewport to X pixels down
-		// Set up content an array of locations
-		$('#doco-side-toc').find('a').each(function(){
-			toc.contentTop.push( $( '#'+$(this).attr('href').split('#').pop() ).offset().top );
-		});
-
-
-		// adjust side menu
-		$(window).scroll(function(){
-			var winTop = $(window).scrollTop(),
-				bodyHt = $(document).height(),
-				vpHt = $(window).height() + toc.edgeMargin;  // viewport height + margin
-			$.each( toc.contentTop, function(i,loc){
-			 if ( ( loc > winTop - toc.edgeMargin && ( loc < winTop + toc.topRange || ( winTop + vpHt ) >= bodyHt ) ) ){
-			  $('#doco-side-toc li')
-			   .removeClass('selected-doco-nav')
-			   .eq(i).addClass('selected-doco-nav');
-				if (typeof($('#doco-side-toc li').eq(i).find('a').attr('href').split('#')[1]) !== 'undefined') {
-					window.history.pushState({}, '', location.href.split('#')[0] + '#' + $('#doco-side-toc li').eq(i).find('a').attr('href').split('#')[1]);
-				}
-			 }
-			});
-		});
-		
-		// When the page loads, it does not scroll to the section specified in the URL because it
-		// has not been constructed yet by the script. This will reload the URL
-		if (typeof(location.href.split('#')[1]) !== 'undefined') {
-			var p = document.createElement('a');
-			p.href = location.href;
-			var portstr = '';
-			if(p.port !== '') {
-				portstr = ':'+ p.port;
-			}
-			var newref = p.protocol + '//'+  p.hostname + portstr + p.pathname + p.hash.split('?').shift();
-			location.replace(newref)
-		}
-	});
-</script>
diff --git a/include/conversation.php b/include/conversation.php
index 9a48a83d2..ec445ba4c 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -1623,7 +1623,6 @@ function network_tabs() {
 	$conv_active = '';
 	$spam_active = '';
 	$postord_active = '';
-	$public_active = '';
 
 	if(x($_GET,'new')) {
 		$new_active = 'active';
@@ -1645,16 +1644,11 @@ function network_tabs() {
 		$spam_active = 'active';
 	}
 
-	if(x($_GET,'fh')) {
-		$public_active = 'active';
-	}
-
 	if (($new_active == '') 
 		&& ($starred_active == '') 
 		&& ($conv_active == '')
 		&& ($search_active == '')
-		&& ($spam_active == '')
-		&& ($public_active == '')) {
+		&& ($spam_active == '')) {
 			$no_active = 'active';
 	}
 
@@ -1672,17 +1666,6 @@ function network_tabs() {
 	// tabs
 	$tabs = array();
 
-	$disable_discover_tab = get_config('system','disable_discover_tab') || get_config('system','disable_discover_tab') === false;
-
-	if(! $disable_discover_tab) {
-		$tabs[] = array(
-			'label' => t('Discover'),
-			'url' => z_root() . '/' . $cmd . '?f=&fh=1' ,
-			'sel' => $public_active,
-			'title' => t('Imported public streams'),
-		);
-	}
-
 	$tabs[] = array(
 		'label' => t('Commented Order'),
 		'url'=>z_root() . '/' . $cmd . '?f=&order=comment' . ((x($_GET,'cid')) ? '&cid=' . $_GET['cid'] : '') . ((x($_GET,'gid')) ? '&gid=' . $_GET['gid'] : ''),
diff --git a/include/help.php b/include/help.php
index 4f9251b1b..ef6b77e12 100644
--- a/include/help.php
+++ b/include/help.php
@@ -32,6 +32,13 @@ function get_help_content($tocpath = false) {
 		if(! $tocpath)
 			\App::$page['title'] = t('Help:') . ' ' . ucwords(str_replace('-',' ',notags($title)));
 
+		if($tocpath !== false && 
+			load_doc_file('doc/' . $path . '.md') === '' && 
+			load_doc_file('doc/' . $path . '.bb') === '' && 
+			load_doc_file('doc/' . $path . '.html') === '' 
+		  ) {
+			$path = 'toc';
+		}
 		$text = load_doc_file('doc/' . $path . '.md');
 
 		if(! $text) {
@@ -107,20 +114,55 @@ function preg_callback_help_include($matches) {
 
 }
 
-
+function determine_help_language() {
+	require_once('Text/LanguageDetect.php');
+	$lang_detect = new Text_LanguageDetect();
+	// Set this mode to recognize language by the short code like "en", "ru", etc.
+	$lang_detect->setNameMode(2);
+	// If the language was specified in the URL, override the language preference 
+	// of the browser. Default to English if both of these are absent.
+	if($lang_detect->languageExists(argv(1))) {
+		$lang = argv(1);
+		$from_url = true;
+	} else {
+		$lang = \App::$language;
+		if(! isset($lang)) 
+			$lang = 'en';
+		$from_url = false;
+	}
+	return array('language' => $lang, 'from_url' => $from_url);
+}
 
 function load_doc_file($s) {
-	$lang = \App::$language;
-	if(! isset($lang))
-		$lang = 'en';
-	$b = basename($s);
-	$d = dirname($s);
+	$path = 'doc';
+	// Determine the language and modify the path accordingly
+	$x = determine_help_language();
+	$lang = $x['language'];
+	$url_idx = ($x['from_url'] ? 1 : 0);
+	// The English translation is at the root of /doc/. Other languages are in 
+	// subfolders named by the language code such as "de", "es", etc.
+	if($lang !== 'en') {
+		$path .= '/' . $lang;	
+	}
 
-	if($dirname !== '-') {
-		$c = find_doc_file("$d/$lang/$b");
-		if($c)
-			return $c;
+	$b = basename($s);
+	
+	for($i=1+$url_idx; $i<argc()-1; $i++) {
+		$path .= '/' . argv($i);
+	}
+	$c = find_doc_file($path . '/' . $b);
+	if($c)
+		return $c;
+	// Possibly a translation was requested that has not been translated, so fall
+	// back to the English version
+	$path = 'doc';
+	for($i=1+$url_idx; $i<argc()-1; $i++) {
+		$path .= '/' . argv($i);
 	}
+	$c = find_doc_file($path . '/' . $b);
+	if($c)
+		return $c;
+	// Try one last time to find the file at the explicit path input to the function
 	$c = find_doc_file($s);
 	if($c)
 		return $c;
diff --git a/view/js/mod_help.js b/view/js/mod_help.js
new file mode 100644
index 000000000..8ee89dd61
--- /dev/null
+++ b/view/js/mod_help.js
@@ -0,0 +1,124 @@
+function docoTocToggle() {
+	if ($('#doco-top-toc').is(':visible')) {
+		$('#doco-toc-toggle').removeClass('fa-cog').addClass('fa-caret-right');
+	} else {
+		$('#doco-toc-toggle').removeClass('fa-caret-right').addClass('fa-caret-down');
+	}
+	$('#doco-top-toc').toggle();
+
+	return false;
+}
+
+toc = {};
+// Generate the table of contents in the side nav menu (see view/tpl/help.tpl)
+$(document).ready(function () {
+	// Generate the table of contents in the side nav menu (see view/tpl/help.tpl)
+	$('#doco-top-toc').toc({content: "#doco-content", headings: "h3,h4,h5,h6"});
+	
+	$(".doco-section").find('a').each(function () {
+		var url = document.createElement('a');
+		url.href = window.location;
+		var pageName = url.href.split('/').pop().split('#').shift().split('?').shift();
+		var linkName = $(this).attr('href').split('/').pop();
+		if (pageName === linkName) {
+			var tocUl = $(this).closest('a').append('<ul>').find('ul');
+			tocUl.removeClass();  // Classes are automatically added to <ul> elements by something else
+			tocUl.toc({content: "#doco-content", headings: "h3"});
+			tocUl.addClass('toc-content');
+			tocUl.addClass('list-unstyled');
+			tocUl.attr('id', 'doco-side-toc');
+
+		}
+	});
+
+	$(document.body).trigger("sticky_kit:recalc");
+
+	toc.contentTop = [];
+	toc.edgeMargin = 20;   // margin above the top or margin from the end of the page
+	toc.topRange = 200;  // measure from the top of the viewport to X pixels down
+	// Set up content an array of locations
+	$('#doco-side-toc').find('a').each(function () {
+		toc.contentTop.push($('#' + $(this).attr('href').split('#').pop()).offset().top);
+	});
+
+
+	// adjust side menu
+	$(window).scroll(function () {
+		var winTop = $(window).scrollTop(),
+				bodyHt = $(document).height(),
+				vpHt = $(window).height() + toc.edgeMargin;  // viewport height + margin
+		$.each(toc.contentTop, function (i, loc) {
+			if ((loc > winTop - toc.edgeMargin && (loc < winTop + toc.topRange || (winTop + vpHt) >= bodyHt))) {
+				$('#doco-side-toc li')
+						.removeClass('selected-doco-nav')
+						.eq(i).addClass('selected-doco-nav');
+				if (typeof ($('#doco-side-toc li').eq(i).find('a').attr('href').split('#')[1]) !== 'undefined') {
+					window.history.pushState({}, '', location.href.split('#')[0] + '#' + $('#doco-side-toc li').eq(i).find('a').attr('href').split('#')[1]);
+				}
+			}
+		});
+	});
+
+	// When the page loads, it does not scroll to the section specified in the URL because it
+	// has not been constructed yet by the script. This will reload the URL
+	if (typeof (location.href.split('#')[1]) !== 'undefined') {
+		var p = document.createElement('a');
+		p.href = location.href;
+		var portstr = '';
+		if (p.port !== '') {
+			portstr = ':' + p.port;
+		}
+		var newref = p.protocol + '//' + p.hostname + portstr + p.pathname + p.hash.split('?').shift();
+		location.replace(newref)
+	}
+
+	
+	// Determine language translations available from the language selector menu itself
+	var langChoices = [];
+	$('.lang-selector').find('.lang-choice').each(function (idx, a) {
+		langChoices.push($(a).html());
+	});
+	// Parse the URL and insert the language code for the loaded language, based
+	// on the variable "help_language" that is declared in the help.tpl page template
+	var path = window.location.pathname.split('/');
+	var pathParts = [];
+	var pick_me = true;
+	for (var i = 0; i < path.length; i++) {
+		if(i === 2 && pick_me ) {
+			if(path[i].length > 0) {
+				pathParts.push(help_language);
+				pick_me = false;
+				if($.inArray(path[i], langChoices) < 0) {
+					i--;	
+				}
+			}
+		} else {
+			if(path[i].length > 0) {
+				pathParts.push(path[i]);
+			}
+		}
+		
+	}
+	// Update the address bar to reflect the loaded language
+	window.history.pushState({}, '', '/' + pathParts.join('/'));
+	
+	// Highlight the language in the language selector that is currently viewed
+	$('.lang-selector').find('.lang-choice:contains("' + help_language + '")').addClass('active');
+	
+	// Construct the links to the available translations based and populate the selector menu
+	$('.lang-selector').find('.lang-choice').each(function (idx, a) {
+		var langLink = [];
+
+		for (var i = 0; i < pathParts.length; i++) {
+			
+			if(i === 1) {
+				langLink.push($(a).html());
+			} else {
+				langLink.push(pathParts[i]);
+			}
+
+		}
+		$(a).attr('href', '/' + langLink.join('/'));
+	});
+	
+});
diff --git a/view/tpl/help.tpl b/view/tpl/help.tpl
index 43b061dcc..d36494123 100644
--- a/view/tpl/help.tpl
+++ b/view/tpl/help.tpl
@@ -1,5 +1,17 @@
 <div id="help-content" class="generic-content-wrapper">
-	<div class="section-title-wrapper">
+	<div class="clearfix section-title-wrapper">
+		<div class="pull-right">
+			<div class="btn-group">
+				<button type="button" class="btn btn-outline-secondary btn-sm dropdown-toggle" data-toggle="dropdown">
+					<i class="fa fa-language" style="font-size: 1.4em;"></i>
+				</button>
+				<div class="dropdown-menu dropdown-menu-right flex-column lang-selector">
+					<a class="dropdown-item lang-choice" href="/help">de</a>
+					<a class="dropdown-item lang-choice" href="/help">en</a>
+					<a class="dropdown-item lang-choice" href="/help">es</a>
+				</div>
+			</div>
+		</div>
 		<h2>{{$title}}: {{$heading}}</h2>
 	</div>
 	<div class="section-content-wrapper" id="doco-content">
@@ -13,21 +25,6 @@
 		{{$content}}
 	</div>
 </div>
-
 <script>
-	// Generate the table of contents in the side nav menu (see view/tpl/help.tpl)
-	$(document).ready(function () {
-		$('#doco-top-toc').toc({content: "#doco-content", headings: "h3,h4,h5,h6"});
-	});
-	
-	function docoTocToggle() {
-		if($('#doco-top-toc').is(':visible')) {
-			$('#doco-toc-toggle').removeClass('fa-cog').addClass('fa-caret-right');
-		} else {
-			$('#doco-toc-toggle').removeClass('fa-caret-right').addClass('fa-caret-down');
-		}
-		$('#doco-top-toc').toggle();
-		
-		return false;
-	}
+	var help_language = '{{$language}}'
 </script>