merge branch pdledit_gui into dev - many widgets still miss their description and requirements (this is work in progress)

26 files changed, 1049 insertions, 41 deletions

diff --git a/Zotlabs/Module/Pdledit_gui.php b/Zotlabs/Module/Pdledit_gui.php
new file mode 100644
index 000000000..b550b92d3
--- /dev/null
+++ b/Zotlabs/Module/Pdledit_gui.php
@@ -0,0 +1,553 @@
+<?php
+
+namespace Zotlabs\Module;
+
+use App;
+use Zotlabs\Web\Controller;
+use Zotlabs\Render\Comanche;
+use Zotlabs\Lib\Libsync;
+
+class Pdledit_gui extends Controller {
+
+	function post() {
+
+		if (!local_channel()) {
+			return;
+		}
+
+		if (!$_REQUEST['module']) {
+			return;
+		}
+
+		$module = $_REQUEST['module'];
+
+		$ret = [
+			'success' => false,
+			'module' => $module
+		];
+
+		if ($_REQUEST['reset']) {
+			del_pconfig(local_channel(), 'system', 'mod_' . $module . '.pdl');
+			Libsync::build_sync_packet();
+			$ret['success'] = true;
+			json_return_and_die($ret);
+		}
+
+		if ($_REQUEST['save']) {
+			if (!$_REQUEST['data']) {
+				return $ret;
+			}
+
+			$data = json_decode($_REQUEST['data'],true);
+			$stored_pdl_result = self::get_pdl($module);
+			$pdl = $stored_pdl_result['pdl'];
+
+			foreach ($data as $region => $entries) {
+				$region_pdl = '';
+				foreach ($entries as $entry) {
+					$region_pdl .= base64_decode($entry) . "\r\n";
+				}
+				$pdl = preg_replace('/\[region=' . $region . '\](.*?)\[\/region\]/ism', '[region=' . $region . ']' . "\r\n" . $region_pdl . "\r\n" . '[/region]', $pdl);
+			}
+
+			set_pconfig(local_channel(), 'system', 'mod_' . $module . '.pdl', escape_tags($pdl));
+			Libsync::build_sync_packet();
+
+			$ret['success'] = true;
+			json_return_and_die($ret);
+		}
+
+		if ($_REQUEST['save_src']) {
+			set_pconfig(local_channel(), 'system', 'mod_' . $module . '.pdl', escape_tags($_REQUEST['src']));
+			Libsync::build_sync_packet();
+
+			$ret['success'] = true;
+			json_return_and_die($ret);
+		}
+
+		if ($_REQUEST['save_template']) {
+			if (!$_REQUEST['data']) {
+				return $ret;
+			}
+
+			$template = $_REQUEST['data'][0]['value'];
+			$pdl_result = self::get_pdl($module);
+			$stored_template = self::get_template($pdl_result['pdl']);
+
+			if ($template === $stored_template) {
+				$ret['success'] = true;
+				return $ret;
+			}
+
+			$cnt = preg_match("/\[template\](.*?)\[\/template\]/ism", $pdl_result['pdl'], $matches);
+			if ($cnt) {
+				$pdl = str_replace('[template]' . $stored_template . '[/template]', '[template]' . $template . '[/template]', $pdl_result['pdl']);
+			}
+			else {
+				$pdl = '[template]' . $template . '[/template]' . "\r\n";
+				$pdl .= $pdl_result['pdl'];
+			}
+
+			set_pconfig(local_channel(), 'system', 'mod_' . $module . '.pdl', escape_tags($pdl));
+			Libsync::build_sync_packet();
+
+			$ret['success'] = true;
+			json_return_and_die($ret);
+		}
+
+	}
+
+	function get() {
+
+		if(! local_channel()) {
+			return EMPTY_STR;
+		}
+
+		$module = argv(1);
+
+		if (!$module) {
+			goaway(z_root() . '/pdledit_gui/hq');
+		}
+
+		$pdl_result = self::get_pdl($module);
+
+		$pdl = $pdl_result['pdl'];
+		$modified = $pdl_result['modified'];
+
+		if(!$pdl) {
+			return t('Layout not found');
+		}
+
+		$template = self::get_template($pdl);
+
+		$template_info = self::get_template_info($template);
+
+		if(empty($template_info['contentregion'])) {
+			return t('This template does not support pdledi_gui (no content regions defined)');
+		}
+
+		App::$page['template'] = $template;
+
+		$regions = self::get_regions($pdl);
+
+		foreach ($regions as $k => $v) {
+			$region_str = '';
+			if (is_array($v)) {
+				ksort($v);
+				foreach ($v as $entry) {
+					// Get the info from the file and replace entry if we get anything useful
+					$widget_info = get_widget_info($entry['name']);
+					$entry['name'] = (($widget_info['name']) ? $widget_info['name'] : $entry['name']);
+					$entry['desc'] = (($widget_info['description']) ? $widget_info['description'] : $entry['desc']);
+
+					$region_str .= replace_macros(get_markup_template('pdledit_gui_item.tpl'), [
+						'$entry' => $entry
+					]);
+				}
+			}
+			App::$layout['region_' . $k] = $region_str;
+		}
+
+		$templates = self::get_templates();
+		$templates_html = replace_macros(get_markup_template('pdledit_gui_templates.tpl'), [
+			'$templates' => $templates,
+			'$active' => $template
+		]);
+
+		$items_html = '';
+
+		//$items_html .= replace_macros(get_markup_template('pdledit_gui_item.tpl'), [
+			//'$entry' => [
+				//'type' => 'content',
+				//'name' => t('Main page content'),
+				//'src' => base64_encode('$content')
+			//],
+			//'$disable_controls' => true
+		//]);
+
+		foreach (self::get_widgets($module) as $entry) {
+			$items_html .= replace_macros(get_markup_template('pdledit_gui_item.tpl'), [
+				'$entry' => $entry,
+				'$disable_controls' => true
+			]);
+		}
+
+		foreach (self::get_menus() as $entry) {
+			$items_html .= replace_macros(get_markup_template('pdledit_gui_item.tpl'), [
+				'$entry' => $entry,
+				'$disable_controls' => true
+			]);
+		}
+
+		foreach (self::get_blocks() as $entry) {
+			$items_html .= replace_macros(get_markup_template('pdledit_gui_item.tpl'), [
+				'$entry' => $entry,
+				'$disable_controls' => true
+			]);
+		}
+
+		App::$layout['region_content'] .= replace_macros(get_markup_template('pdledit_gui.tpl'), [
+			'$content_regions' => $template_info['contentregion'],
+			'$page_src' => base64_encode($pdl),
+			'$templates' => base64_encode($templates_html),
+			'$modules' => base64_encode(self::get_modules()),
+			'$items' => base64_encode($items_html),
+			'$module_modified' => $modified,
+			'$module' => $module
+		]);
+
+	}
+
+	function get_templates() {
+		$ret = [];
+
+		$files = glob('view/php/*.php');
+		if($files) {
+			foreach($files as $f) {
+				$name = basename($f, '.php');
+				$x = get_template_info($name);
+				if(!empty($x['contentregion'])) {
+					$ret[] = [
+						'name' => $name,
+						'desc' => $x['description']
+					];
+				}
+			}
+		}
+
+		return $ret;
+	}
+
+	function get_modules() {
+		$ret = '';
+
+		$files = glob('Zotlabs/Module/*.php');
+		if($files) {
+			foreach($files as $f) {
+				$name = lcfirst(basename($f,'.php'));
+
+				if ($name === 'admin' && !is_site_admin()) {
+					continue;
+				}
+
+				$x = theme_include('mod_' . $name . '.pdl');
+				if($x) {
+					$ret .= '<div class="mb-2"><a href="pdledit_gui/' . $name . '">' . $name . '</a></div>';
+				}
+			}
+		}
+
+		return $ret;
+	}
+
+	function get_widgets($module) {
+		$ret = [];
+
+		$checkpaths = [
+			'Zotlabs/Widget/*.php'
+		];
+
+		foreach ($checkpaths as $path) {
+			$files = glob($path);
+			if($files) {
+				foreach($files as $f) {
+					$name = lcfirst(basename($f, '.php'));
+
+					$widget_info = get_widget_info($name);
+					if ($widget_info['requires'] && strpos($widget_info['requires'], 'admin') !== false && !is_site_admin()) {
+						continue;
+					}
+
+					if ($widget_info['requires'] && strpos($widget_info['requires'], $module) === false) {
+						continue;
+					}
+
+					$ret[] = [
+						'type' => 'widget',
+						'name' => $widget_info['name'] ?? $name,
+						'desc' => $widget_info['description'] ?? '',
+						'src' => base64_encode('[widget=' . $name . '][/widget]')
+					];
+				}
+			}
+		}
+
+		return $ret;
+	}
+
+	function get_menus() {
+		$ret = [];
+
+		$r = q("select * from menu where menu_channel_id = %d and menu_flags = 0",
+			intval(local_channel())
+		);
+
+		foreach ($r as $rr) {
+			$name = $rr['menu_name'];
+			$desc = $rr['menu_desc'];
+			$ret[] = [
+				'type' => 'menu',
+				'name' => $name,
+				'desc' => $desc,
+				'src' => base64_encode('[menu]' . $name . '[/menu]')
+			];
+		}
+
+		return $ret;
+	}
+
+	function get_blocks() {
+		$ret = [];
+
+		$r = q("select v, title, summary from item join iconfig on iconfig.iid = item.id and item.uid = %d
+			and iconfig.cat = 'system' and iconfig.k = 'BUILDBLOCK'",
+			intval(local_channel())
+		);
+
+		foreach ($r as $rr) {
+			$name = $rr['v'];
+			$desc = (($rr['title']) ? $rr['title'] : $rr['summary']);
+			$ret[] = [
+				'type' => 'block',
+				'name' => $name,
+				'desc' => $desc,
+				'src' => base64_encode('[block]' . $name . '[/block]')
+			];
+		}
+
+		return $ret;
+	}
+
+	function get_template($pdl) {
+		$ret = 'default';
+
+		$cnt = preg_match("/\[template\](.*?)\[\/template\]/ism", $pdl, $matches);
+		if($cnt && isset($matches[1])) {
+			$ret = trim($matches[1]);
+		}
+
+		return $ret;
+	}
+
+	function get_regions($pdl) {
+		$ret = [];
+		$supported_regions = ['aside', 'content', 'right_aside'];
+
+		$cnt = preg_match_all("/\[region=(.*?)\](.*?)\[\/region\]/ism", $pdl, $matches, PREG_SET_ORDER);
+		if($cnt) {
+			foreach($matches as $mtch) {
+				if (!in_array($mtch[1], $supported_regions)) {
+					continue;
+				}
+				$ret[$mtch[1]] = self::parse_region($mtch[2]);
+			}
+		}
+
+		return $ret;
+	}
+
+	function parse_region($pdl) {
+		$ret = [];
+
+		$cnt = preg_match_all('/\$content\b/ism', $pdl, $matches, PREG_SET_ORDER|PREG_OFFSET_CAPTURE);
+		if($cnt) {
+			foreach($matches as $mtch) {
+				$offset = intval($mtch[0][1]);
+				$name = trim($mtch[0][0]);
+				//$src = base64url_encode(preg_replace(['/\s*\[/', '/\]\s*/'], ['[', ']'], $mtch[0][0]));
+				$src = base64_encode($mtch[0][0]);
+				$ret[$offset] = [
+					'type' => 'content',
+					'name' => t('Main page content'),
+					'desc' => t('The main page content can not be edited!'),
+					'src' => $src
+				];
+			}
+		}
+
+		$cnt = preg_match_all("/\[menu\](.*?)\[\/menu\]/ism", $pdl, $matches, PREG_SET_ORDER|PREG_OFFSET_CAPTURE);
+		if($cnt) {
+			foreach($matches as $mtch) {
+				$offset = intval($mtch[1][1]);
+				$name = trim($mtch[1][0]);
+				//$src = base64url_encode(preg_replace(['/\s*\[/', '/\]\s*/'], ['[', ']'], $mtch[0][0]));
+				$src = base64_encode($mtch[0][0]);
+
+				$ret[$offset] = [
+					'type' => 'menu',
+					'name' => $name,
+					'desc' => '',
+					'src' => $src
+				];
+			}
+		}
+
+		// menu class e.g. [menu=horizontal]my_menu[/menu] or [menu=tabbed]my_menu[/menu]
+		// allows different menu renderings to be applied
+
+		//$cnt = preg_match_all("/\[menu=(.*?)\](.*?)\[\/menu\]/ism", $s, $matches, PREG_SET_ORDER);
+		//if($cnt) {
+			//foreach($matches as $mtch) {
+				//$s = str_replace($mtch[0],$this->menu(trim($mtch[2]),$mtch[1]),$s);
+			//}
+		//}
+
+
+		$cnt = preg_match_all("/\[block\](.*?)\[\/block\]/ism", $pdl, $matches, PREG_SET_ORDER|PREG_OFFSET_CAPTURE);
+		if($cnt) {
+			foreach($matches as $mtch) {
+				$offset = intval($mtch[1][1]);
+				$name = trim($mtch[1][0]);
+				//$src = base64url_encode(preg_replace(['/\s*\[/', '/\]\s*/'], ['[', ']'], $mtch[0][0]));
+				$src = base64_encode($mtch[0][0]);
+				$ret[$offset] = [
+					'type' => 'block',
+					'name' => $name,
+					'desc' => '',
+					'src' => $src
+				];
+			}
+		}
+
+		//$cnt = preg_match_all("/\[block=(.*?)\](.*?)\[\/block\]/ism", $s, $matches, PREG_SET_ORDER);
+		//if($cnt) {
+			//foreach($matches as $mtch) {
+				//$s = str_replace($mtch[0],$this->block(trim($mtch[2]),trim($mtch[1])),$s);
+			//}
+		//}
+
+		//$cnt = preg_match_all("/\[js\](.*?)\[\/js\]/ism", $s, $matches, PREG_SET_ORDER);
+		//if($cnt) {
+			//foreach($matches as $mtch) {
+				//$s = str_replace($mtch[0],$this->js(trim($mtch[1])),$s);
+			//}
+		//}
+
+		//$cnt = preg_match_all("/\[css\](.*?)\[\/css\]/ism", $s, $matches, PREG_SET_ORDER);
+		//if($cnt) {
+			//foreach($matches as $mtch) {
+				//$s = str_replace($mtch[0],$this->css(trim($mtch[1])),$s);
+			//}
+		//}
+
+		// need to modify this to accept parameters
+
+		$cnt = preg_match_all("/\[widget=(.*?)\](.*?)\[\/widget\]/ism", $pdl, $matches, PREG_SET_ORDER|PREG_OFFSET_CAPTURE);
+
+		if($cnt) {
+			foreach($matches as $mtch) {
+				$offset = intval($mtch[1][1]);
+				$name = trim($mtch[1][0]);
+				//$src = base64url_encode(preg_replace(['/\s*\[/', '/\]\s*/'], ['[', ']'], $mtch[0][0]));
+				$src = base64_encode($mtch[0][0]);
+				$ret[$offset] = [
+					'type' => 'widget',
+					'name' => $name,
+					'desc' => '',
+					'src' => $src
+				];
+			}
+		}
+
+		return $ret;
+
+	}
+
+
+	/**
+	 * @brief Parse template comment in search of template info.
+	 *
+	 * like
+	 * \code
+	 *   * Name: MyWidget
+	 *   * Description: A widget
+	 *   * Version: 1.2.3
+	 *   * Author: John <profile url>
+	 *   * Author: Jane <email>
+	 *   * ContentRegionID: some_id
+	 *   * ContentRegionID: some_other_id
+	 *   *
+	 *\endcode
+	 * @param string $template the name of the template
+	 * @return array with the information
+	 */
+	function get_template_info($template){
+		$m = [];
+		$info = [
+			'name' => $template,
+			'description' => '',
+			'author' => [],
+			'maintainer' => [],
+			'version' => '',
+			'contentregion' => []
+		];
+
+		$checkpaths = [
+			'view/php/' . $template . '.php',
+		];
+
+		$template_found = false;
+
+		foreach ($checkpaths as $path) {
+			if (is_file($path)) {
+				$template_found = true;
+				$f = file_get_contents($path);
+				break;
+			}
+		}
+
+		if(!($template_found && $f))
+			return $info;
+
+		$f = escape_tags($f);
+		$r = preg_match('|/\*.*\*/|msU', $f, $m);
+
+		if ($r) {
+			$ll = explode("\n", $m[0]);
+			foreach($ll as $l) {
+				$l = trim($l, "\t\n\r */");
+				if ($l != ''){
+					list($k, $v) = array_map('trim', explode(':', $l, 2));
+					$k = strtolower($k);
+					if (in_array($k, ['author', 'maintainer'])){
+						$r = preg_match('|([^<]+)<([^>]+)>|', $v, $m);
+						if ($r) {
+							$info[$k][] = array('name' => $m[1], 'link' => $m[2]);
+						} else {
+							$info[$k][] = array('name' => $v);
+						}
+					}
+					elseif (in_array($k, ['contentregion'])){
+						$info[$k][] = array_map('trim', explode(',', $v));
+					}
+					else {
+						$info[$k] = $v;
+					}
+				}
+			}
+		}
+
+		return $info;
+	}
+
+	function get_pdl($module) {
+		$ret = [
+			'pdl' => null,
+			'modified' => true
+		];
+
+		$pdl_path = 'mod_' . $module . '.pdl';
+
+		$ret['pdl'] = get_pconfig(local_channel(), 'system', $pdl_path);
+
+		if(!$ret['pdl']) {
+			$pdl_path = theme_include($pdl_path);
+			if ($pdl_path) {
+				$ret['pdl'] = file_get_contents($pdl_path);
+				$ret['modified'] = false;
+			}
+		}
+
+		return $ret;
+	}
+}
diff --git a/Zotlabs/Web/WebServer.php b/Zotlabs/Web/WebServer.php
index de0d5a883..70c6eb9b8 100644
--- a/Zotlabs/Web/WebServer.php
+++ b/Zotlabs/Web/WebServer.php
@@ -107,7 +107,8 @@ class WebServer {
 
 		$Router->Dispatch();
 
-		$this->set_homebase();
+		// TODO: this is not used for anything atm and messes up comanche templates by adding some javascript
+		//$this->set_homebase();
 
 		// now that we've been through the module content, see if the page reported
 		// a permission problem and if so, a 403 response would seem to be in order.
diff --git a/Zotlabs/Widget/Activity_filter.php b/Zotlabs/Widget/Activity_filter.php
index b7a69752e..daaf5fb67 100644
--- a/Zotlabs/Widget/Activity_filter.php
+++ b/Zotlabs/Widget/Activity_filter.php
@@ -1,5 +1,12 @@
 <?php
 
+/**
+ *   * Name: Activity filters
+ *   * Description: Filters for the network stream
+ *   * Requires: network
+ */
+
+
 namespace Zotlabs\Widget;
 
 use App;
diff --git a/Zotlabs/Widget/Activity_order.php b/Zotlabs/Widget/Activity_order.php
index d3fe2a30f..e8ee11508 100644
--- a/Zotlabs/Widget/Activity_order.php
+++ b/Zotlabs/Widget/Activity_order.php
@@ -2,6 +2,12 @@
 
 namespace Zotlabs\Widget;
 
+/**
+ *   * Name: Activity order
+ *   * Description: Order the network stream by posted date, last commented or by date unthreaded
+ *   * Requires: network
+ */
+
 class Activity_order {
 
 	function widget($arr) {
@@ -22,7 +28,7 @@ class Activity_order {
 			switch($_GET['order']){
 				case 'post':
 					$postord_active = 'active';
-					set_pconfig(local_channel(), 'mod_network', 'order', 1); 
+					set_pconfig(local_channel(), 'mod_network', 'order', 1);
 					break;
 				case 'comment':
 					$commentord_active = 'active';
diff --git a/Zotlabs/Widget/Admin.php b/Zotlabs/Widget/Admin.php
index f349377a0..0a7a6925f 100644
--- a/Zotlabs/Widget/Admin.php
+++ b/Zotlabs/Widget/Admin.php
@@ -1,5 +1,10 @@
 <?php
 
+/**
+ *   * Name: Admin menu
+ *   * Requires: admin
+ */
+
 namespace Zotlabs\Widget;
 
 class Admin {
diff --git a/Zotlabs/Widget/Affinity.php b/Zotlabs/Widget/Affinity.php
index 572af0503..e083e576c 100644
--- a/Zotlabs/Widget/Affinity.php
+++ b/Zotlabs/Widget/Affinity.php
@@ -1,5 +1,11 @@
 <?php
 
+/**
+ *   * Name: Affinity Tool
+ *   * Description: Filter the network stream by affinity, requires the Affinity Tool App
+ *   * Requires: network
+ */
+
 namespace Zotlabs\Widget;
 
 use Zotlabs\Lib\Apps;
@@ -13,7 +19,7 @@ class Affinity {
 
 		if(! Apps::system_app_installed(local_channel(),'Affinity Tool'))
 			return;
-        
+
 		$default_cmin = ((Apps::system_app_installed(local_channel(),'Affinity Tool')) ? get_pconfig(local_channel(),'affinity','cmin',0) : 0);
 		$default_cmax = ((Apps::system_app_installed(local_channel(),'Affinity Tool')) ? get_pconfig(local_channel(),'affinity','cmax',99) : 99);
 
@@ -54,7 +60,7 @@ class Affinity {
 			'$refresh' => t('Refresh'),
 			'$labels' => $label_str,
 		));
-	
+
 		$arr = array('html' => $x);
 		call_hooks('main_slider',$arr);
 
@@ -63,4 +69,4 @@ class Affinity {
 
 	}
 }
- 
+
diff --git a/Zotlabs/Widget/Filer.php b/Zotlabs/Widget/Filer.php
index 5d6f96a87..bac1c339e 100644
--- a/Zotlabs/Widget/Filer.php
+++ b/Zotlabs/Widget/Filer.php
@@ -10,7 +10,6 @@ class Filer {
 		if(! local_channel())
 			return '';
 
-
 		$selected = ((x($_REQUEST,'file')) ? $_REQUEST['file'] : '');
 
 		$terms = array();
diff --git a/Zotlabs/Widget/Hq_controls.php b/Zotlabs/Widget/Hq_controls.php
index 91335fd76..7b1fe817d 100644
--- a/Zotlabs/Widget/Hq_controls.php
+++ b/Zotlabs/Widget/Hq_controls.php
@@ -1,5 +1,12 @@
 <?php
 
+/**
+ *   * Name: HQ Controls
+ *   * Description: Control buttons for the HQ module
+ *   * Author: Mario Vavti
+ *   * Requires: hq
+ */
+
 namespace Zotlabs\Widget;
 
 use Zotlabs\Lib\Apps;
diff --git a/Zotlabs/Widget/Messages.php b/Zotlabs/Widget/Messages.php
index 86ce2fa29..d045ae85b 100644
--- a/Zotlabs/Widget/Messages.php
+++ b/Zotlabs/Widget/Messages.php
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ *   * Name: HQ Messages
+ *   * Description: Quick access to messages, direct messages, starred messages (if enabled) and notifications
+ *   * Author: Mario Vavti
+ *   * Requires: hq
+ */
+
+
 namespace Zotlabs\Widget;
 
 use App;
diff --git a/Zotlabs/Widget/Notes.php b/Zotlabs/Widget/Notes.php
index 659b62390..2e8e04e93 100644
--- a/Zotlabs/Widget/Notes.php
+++ b/Zotlabs/Widget/Notes.php
@@ -1,5 +1,13 @@
 <?php
 
+/**
+ *   * Name: Notes
+ *   * Description: A simple notes widget, requires the Notes App
+ *   * Author: Mike Macgirvin
+ *   * Author: Mario Vavti
+ *   * Maintainer: Mario Vavti
+ */
+
 namespace Zotlabs\Widget;
 
 use Zotlabs\Lib\Apps;
@@ -33,9 +41,6 @@ class Notes {
 			]
 		));
 
-
-
-
 		return $o;
 	}
 }
diff --git a/Zotlabs/Widget/Notifications.php b/Zotlabs/Widget/Notifications.php
index a818ae40a..0e02d5cc1 100644
--- a/Zotlabs/Widget/Notifications.php
+++ b/Zotlabs/Widget/Notifications.php
@@ -1,5 +1,11 @@
 <?php
 
+/**
+ *   * Name: Notifications
+ *   * Description: Shows all kind of notifications
+ *   * Author: Mario Vavti
+ */
+
 namespace Zotlabs\Widget;
 
 class Notifications {
diff --git a/app/pdledit.apd b/app/pdledit_gui.apd
index e13c04cb5..85a95a067 100644
--- a/app/pdledit.apd
+++ b/app/pdledit_gui.apd
@@ -1,5 +1,5 @@
-version: 3
-url: $baseurl/pdledit
+version: 1
+url: $baseurl/pdledit_gui
 requires: local_channel
 name: PDL Editor
 photo: icon:object-group
diff --git a/include/plugin.php b/include/plugin.php
index 95c9882d0..25fa22e10 100644
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -794,6 +794,79 @@ function get_theme_info($theme){
 }
 
 /**
+ * @brief Parse template comment in search of template info.
+ *
+ * like
+ * \code
+ *   * Name: MyWidget
+ *   * Description: A widget
+ *   * Version: 1.2.3
+ *   * Author: John <profile url>
+ *   * Author: Jane <email>
+ *   * ContentRegionID: some_id
+ *   * ContentRegionID: some_other_id
+ *   *
+ *\endcode
+ * @param string $widget the name of the widget
+ * @return array with the information
+ */
+function get_template_info($template){
+	$m = array();
+	$info = array(
+		'name' => $template,
+		'description' => '',
+		'author' => array(),
+		'maintainer' => array(),
+		'version' => '',
+		'content_regions' => []
+	);
+
+	$checkpaths = [
+		"view/php/$template.php",
+	];
+
+	$template_found = false;
+
+	foreach ($checkpaths as $path) {
+		if (is_file($path)) {
+			$template_found = true;
+			$f = file_get_contents($path);
+			break;
+		}
+	}
+
+	if(! ($template_found && $f))
+		return $info;
+
+	$f = escape_tags($f);
+	$r = preg_match("|/\*.*\*/|msU", $f, $m);
+
+	if ($r) {
+		$ll = explode("\n", $m[0]);
+		foreach( $ll as $l ) {
+			$l = trim($l, "\t\n\r */");
+			if ($l != ""){
+				list($k, $v) = array_map("trim", explode(":", $l, 2));
+				$k = strtolower($k);
+				if ($k == 'author' || $k == 'maintainer'){
+					$r = preg_match("|([^<]+)<([^>]+)>|", $v, $m);
+					if ($r) {
+						$info[$k][] = array('name' => $m[1], 'link' => $m[2]);
+					} else {
+						$info[$k][] = array('name' => $v);
+					}
+				}
+				else {
+					$info[$k] = $v;
+				}
+			}
+		}
+	}
+
+	return $info;
+}
+
+/**
  * @brief Returns the theme's screenshot.
  *
  * The screenshot is expected as view/theme/$theme/img/screenshot.[png|jpg].
diff --git a/view/css/full.css b/view/css/full.css
index 3f9a01d24..1a36c9b08 100644
--- a/view/css/full.css
+++ b/view/css/full.css
@@ -7,7 +7,6 @@ header #banner {
 }
 
 section {
-	display: block;
-	min-height: 112px;	
-	margin: 50px 10px;
+	height: 100vh;
+	padding: 4.5rem 7px 200px 7px;
 }
diff --git a/view/css/minimal.css b/view/css/minimal.css
new file mode 100644
index 000000000..3bd04a5df
--- /dev/null
+++ b/view/css/minimal.css
@@ -0,0 +1,3 @@
+section {
+	height: 100vh;
+}
diff --git a/view/css/mod_pdledit_gui.css b/view/css/mod_pdledit_gui.css
new file mode 100644
index 000000000..dcda842dc
--- /dev/null
+++ b/view/css/mod_pdledit_gui.css
@@ -0,0 +1,3 @@
+.aside_wrapper {
+	min-height: 70vh;
+}
diff --git a/view/pdl/mod_pdledit_gui.pdl b/view/pdl/mod_pdledit_gui.pdl
new file mode 100644
index 000000000..7590b7fa0
--- /dev/null
+++ b/view/pdl/mod_pdledit_gui.pdl
@@ -0,0 +1 @@
+[template]none[/template]
diff --git a/view/php/default.php b/view/php/default.php
index 64d58a0c1..10e150906 100644
--- a/view/php/default.php
+++ b/view/php/default.php
@@ -1,3 +1,15 @@
+<?php
+/**
+ *   * Name: default
+ *   * Description: Hubzilla default 3-column layout
+ *   * Version: 1
+ *   * Author: Mario Vavti
+ *   * Maintainer: Mario Vavti
+ *   * ContentRegion: aside, left_aside_wrapper
+ *   * ContentRegion: content, region_2
+ *   * ContentRegion: right_aside, right_aside_wrapper
+ */
+?>
 <!DOCTYPE html >
 <html prefix="og: http://ogp.me/ns#">
 <head>
@@ -8,7 +20,7 @@
 <body <?php if($page['direction']) echo 'dir="rtl"' ?> >
 	<?php if(x($page,'banner')) echo $page['banner']; ?>
 	<header><?php if(x($page,'header')) echo $page['header']; ?></header>
-	<?php if(x($page,'nav')) echo $page['nav']; ?></nav>
+	<?php if(x($page,'nav')) echo $page['nav']; ?>
 	<main>
 		<div class="content">
 			<div class="columns">
diff --git a/view/php/full.php b/view/php/full.php
index 1a9cd9a84..d855fb650 100644
--- a/view/php/full.php
+++ b/view/php/full.php
@@ -1,3 +1,13 @@
+<?php
+/**
+ *   * Name: full
+ *   * Description: A single column full width layout with the hubzilla navbar
+ *   * Version: 1
+ *   * Author: None
+ *   * Maintainer: None
+ *   * ContentRegion: content, region_1
+ */
+?>
 <!DOCTYPE html >
 <html prefix="og: http://ogp.me/ns#">
 <head>
@@ -8,8 +18,9 @@
 <body <?php if($page['direction']) echo 'dir="rtl"' ?> >
 	<?php if(x($page,'banner')) echo $page['banner']; ?>
 	<header><?php if(x($page,'header')) echo $page['header']; ?></header>
-	<nav class="navbar fixed-top navbar-expand-lg navbar-dark bg-dark"><?php if(x($page,'nav')) echo $page['nav']; ?></nav>
-	<section id="region_2"><?php if(x($page,'content')) echo $page['content']; ?>
+	<?php if(x($page,'nav')) echo $page['nav']; ?>
+	<section id="region_1">
+		<?php if(x($page,'content')) echo $page['content']; ?>
 		<div id="page-footer"></div>
 	</section>
 </body>
diff --git a/view/php/minimal.php b/view/php/minimal.php
index 3572f3b5c..3fab0c5f9 100644
--- a/view/php/minimal.php
+++ b/view/php/minimal.php
@@ -1,14 +1,25 @@
-<!DOCTYPE html >

-<html prefix="og: http://ogp.me/ns#">

-<head>

-  <title><?php if(x($page,'title')) echo $page['title'] ?></title>

-  <script>var baseurl="<?php echo z_root() ?>";</script>

-  <?php if(x($page,'htmlhead')) echo $page['htmlhead'] ?>

-</head>

-<body>

-	<section style="margin:0px!important; padding:0px!important; float:none!important;display:block!important;"><?php if(x($page,'content')) echo $page['content']; ?>

-		<div id="page-footer"></div>

-	</section>

-</body>

-</html>

-

+<?php
+/**
+ *   * Name: full
+ *   * Description: A single column full width layout without a navbar
+ *   * Version: 1
+ *   * Author: None
+ *   * Maintainer: None
+ *   * ContentRegion: content, region_1
+ */
+?>
+<!DOCTYPE html >
+<html prefix="og: http://ogp.me/ns#">
+<head>
+  <title><?php if(x($page,'title')) echo $page['title'] ?></title>
+  <script>var baseurl="<?php echo z_root() ?>";</script>
+  <?php if(x($page,'htmlhead')) echo $page['htmlhead'] ?>
+</head>
+<body>
+	<section id="region_1">
+		<?php if(x($page,'content')) echo $page['content']; ?>
+		<div id="page-footer"></div>
+	</section>
+</body>
+</html>
+
diff --git a/view/php/none.php b/view/php/none.php
index 51d0e83dc..5e92310b7 100644
--- a/view/php/none.php
+++ b/view/php/none.php
@@ -1 +1,10 @@
+<?php
+/**
+ *   * Name: none
+ *   * Description: A barebones empty single page template
+ *   * Version: 1
+ *   * Author: None
+ *   * Maintainer: None
+ */
+?>
 <?php if(x($page,'content')) echo $page['content']; ?>
diff --git a/view/php/zen.php b/view/php/zen.php
index a96cf722f..24aae951b 100644
--- a/view/php/zen.php
+++ b/view/php/zen.php
@@ -1,11 +1,11 @@
 <!DOCTYPE html>
 <html prefix="og: http://ogp.me/ns#">
-<head>
-  <title><?php if(x($page,'title')) echo $page['title'] ?></title>
-  <meta name="viewport" content="width=device-width, height=device-height, initial-scale=1">
-  <?php if(x($page,'htmlhead')) echo $page['htmlhead'] ?>
-</head>
-<body>
-   <?php if(x($page,'content')) echo $page['content']; ?>
-</body>
+	<head>
+		<title><?php if(x($page,'title')) echo $page['title'] ?></title>
+		<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1">
+		<?php if(x($page,'htmlhead')) echo $page['htmlhead'] ?>
+	</head>
+	<body>
+		<?php if(x($page,'content')) echo $page['content']; ?>
+	</body>
 </html>
diff --git a/view/theme/redbasic/js/redbasic.js b/view/theme/redbasic/js/redbasic.js
index c0c03d4f8..04469cb85 100644
--- a/view/theme/redbasic/js/redbasic.js
+++ b/view/theme/redbasic/js/redbasic.js
@@ -17,8 +17,13 @@ $(document).ready(function() {
 	}
 	$('#css3-calc').remove(); // Remove the test element
 
-	stickyScroll('.aside_spacer_left', '.aside_spacer_top_left', '.content', parseFloat(window.getComputedStyle(document.querySelector('#region_1')).getPropertyValue('padding-top')), 0);
-	stickyScroll('.aside_spacer_right', '.aside_spacer_top_right', '.content', parseFloat(window.getComputedStyle(document.querySelector('#region_3')).getPropertyValue('padding-top')), 20);
+	if (document.querySelector('#region_1')) {
+		stickyScroll('.aside_spacer_left', '.aside_spacer_top_left', '.content', parseFloat(window.getComputedStyle(document.querySelector('#region_1')).getPropertyValue('padding-top')), 0);
+	}
+
+	if (document.querySelector('#region_3')) {
+		stickyScroll('.aside_spacer_right', '.aside_spacer_top_right', '.content', parseFloat(window.getComputedStyle(document.querySelector('#region_3')).getPropertyValue('padding-top')), 20);
+	}
 
 	$('#expand-aside').on('click', function() {
 		if($('main').hasClass('region_1-on')){
@@ -121,8 +126,14 @@ function setStyle(element, cssProperty) {
 }
 
 function stickyScroll(sticky, stickyTop, container, topOffset, bottomOffset) {
+
 	var lastScrollTop = 0;
 	var sticky = document.querySelector(sticky);
+
+	if (!sticky) {
+		return;
+	}
+
 	var stickyHeight = sticky.getBoundingClientRect().height;
 	var stickyTop = document.querySelector(stickyTop);
 	var content = document.querySelector(container);
diff --git a/view/tpl/pdledit_gui.tpl b/view/tpl/pdledit_gui.tpl
new file mode 100644
index 000000000..8c4ca3e50
--- /dev/null
+++ b/view/tpl/pdledit_gui.tpl
@@ -0,0 +1,243 @@
+<div id="pdledit_gui_offcanvas" class="offcanvas offcanvas-lg offcanvas-bottom shadow border rounded-top start-50 translate-middle-x" tabindex="-1" data-bs-backdrop="false" data-bs-scroll="true" style="min-width: 300px">
+	<div id="pdledit_gui_offcanvas_body" class="offcanvas-body"></div>
+	<div class="offcanvas-header">
+		<div class="offcanvas-title h3"></div>
+		<button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" aria-label="Close"></button>
+	</div>
+</div>
+
+<div id="pdledit_gui_offcanvas_edit" class="offcanvas offcanvas-lg offcanvas-bottom shadow border rounded-top start-50 translate-middle-x" tabindex="-1" data-bs-backdrop="false" data-bs-scroll="true" style="min-width: 300px">
+	<div id="pdledit_gui_offcanvas_edit_body" class="offcanvas-body">
+		<textarea id="pdledit_gui_offcanvas_edit_textarea" class="form-control font-monospace h-100"></textarea>
+	</div>
+	<div class="offcanvas-header">
+		<button id="pdledit_gui_offcanvas_edit_submit" type="button" class="btn btn-primary">Submit</button>
+		<button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" aria-label="Close"></button>
+	</div>
+</div>
+
+<div id="pdledit_gui_offcanvas_submit" class="offcanvas offcanvas-lg offcanvas-bottom shadow border rounded-top start-50 translate-middle-x" tabindex="-1" data-bs-backdrop="false" data-bs-scroll="true" style="min-width: 300px">
+	<div id="pdledit_gui_offcanvas_submit_body" class="offcanvas-body"></div>
+	<div class="offcanvas-header">
+		<button id="pdledit_gui_offcanvas_submit_submit" type="button" class="btn btn-primary">Submit</button>
+		<button type="button" class="btn-close text-reset" data-bs-dismiss="offcanvas" aria-label="Close"></button>
+	</div>
+</div>
+
+<ul class="nav position-fixed bottom-0 start-50 bg-light translate-middle-x text-uppercase" style="min-width: 300px">
+	<li class="nav-item">
+		<a id="pdledit_gui_modules" class="nav-link" href="#">Modules</a>
+	</li>
+	<li class="nav-item">
+		<a id="pdledit_gui_templates" class="nav-link" href="#">Templates</a>
+	</li>
+	<li class="nav-item">
+		<a id="pdledit_gui_items" class="nav-link" href="#">Items</a>
+	</li>
+	<li class="nav-item">
+		<a id="pdledit_gui_src" class="nav-link" href="#">Source</a>
+	</li>
+	{{if $module_modified}}
+	<li class="nav-item">
+		<a id="pdledit_gui_reset" class="nav-link" href="#">Reset</a>
+	</li>
+	{{/if}}
+	<li class="nav-item">
+		<a id="pdledit_gui_save" class="nav-link" href="#">Apply</a>
+	</li>
+</ul>
+
+<script>
+	$(document).ready(function() {
+		let poi;
+		let regions = [];
+		let content_regions = [];
+		let page_src = atob('{{$page_src}}');
+
+		let offcanvas = new bootstrap.Offcanvas(document.getElementById('pdledit_gui_offcanvas'));
+		let edit_offcanvas = new bootstrap.Offcanvas(document.getElementById('pdledit_gui_offcanvas_edit'));
+		let submit_offcanvas = new bootstrap.Offcanvas(document.getElementById('pdledit_gui_offcanvas_submit'));
+
+		{{foreach $content_regions as $content_region}}
+		regions.push('{{$content_region.0}}');
+		content_regions.push('{{$content_region.1}}');
+
+		let sortable_{{$content_region.1}} = document.getElementById('{{$content_region.1}}');
+		new Sortable(sortable_{{$content_region.1}}, {
+			group: 'shared',
+			handle: '.pdledit_gui_item_handle',
+			animation: 150
+		});
+		{{/foreach}}
+
+		let sortable_items = document.getElementById('pdledit_gui_offcanvas_body');
+		new Sortable(sortable_items, {
+			group: {
+				name: 'shared',
+				pull: 'clone',
+				put: false
+			},
+			sort: false,
+			handle: '.pdledit_gui_item_handle',
+			animation: 150,
+			onEnd: function (e) {
+				$(e.item).find('button').removeClass('disabled');
+			}
+		});
+
+		$(document).on('click', '.pdledit_gui_item_src', function(e) {
+			poi = this.closest('.pdledit_gui_item');
+			let src = atob(poi.dataset.src);
+			$('#pdledit_gui_offcanvas_edit_textarea').val(src);
+			$('#pdledit_gui_offcanvas_edit_textarea').bbco_autocomplete('comanche');
+			edit_offcanvas.show();
+		});
+
+		$(document).on('click', '.pdledit_gui_item_remove', function(e) {
+			poi = this.closest('.pdledit_gui_item');
+			$(poi).remove();
+		});
+
+		$(document).on('click', '#pdledit_gui_offcanvas_edit_submit', function(e) {
+			let src = $('#pdledit_gui_offcanvas_edit_textarea').val();
+
+			if (poi) {
+				poi.dataset.src = btoa(src);
+			}
+			else {
+				$.post(
+					'pdledit_gui',
+					{
+						'save_src': 1,
+						'module': '{{$module}}',
+						'src': $('#pdledit_gui_offcanvas_edit_textarea').val()
+					}
+				)
+				.done(function(data) {
+					if (data.success) {
+						window.location.href = 'pdledit_gui/' + data.module;
+					}
+				});
+			}
+
+			edit_offcanvas.hide();
+		});
+
+		$(document).on('click', '#pdledit_gui_offcanvas_submit_submit', function(e) {
+			if ($('#pdledit_gui_templates_form').length) {
+				$.post(
+					'pdledit_gui',
+					{
+						'save_template': 1,
+						'module': '{{$module}}',
+						'data': $('#pdledit_gui_templates_form').serializeArray()
+					}
+				)
+				.done(function(data) {
+					if (data.success) {
+						window.location.href = 'pdledit_gui/' + data.module;
+					}
+				});
+			}
+
+			submit_offcanvas.hide();
+		});
+
+		$(document).on('click', '#pdledit_gui_src', function(e) {
+			e.preventDefault();
+			poi = null; // this is important!
+
+			let obj = {};
+
+			content_regions.forEach(function (content_region, i) {
+				let data_src = [];
+				$('#' + content_region + ' > .card').each(function () {
+					data_src.push(atob(this.dataset.src));
+				});
+				obj[regions[i]] = data_src;
+			});
+
+			for (let [region, entries] of Object.entries(obj)) {
+				let region_pdl = '';
+
+				entries.forEach(function (entry) {
+					region_pdl = region_pdl.concat(entry + "\r\n");
+				});
+
+				let regex_str = '\\[region=' + region + '\\](.*?)\\[\\/region\\]';
+				let replace_str = '[region=' + region + ']' + "\r\n" + region_pdl + "\r\n" + '[/region]'
+				let regex = new RegExp(regex_str, 'ism');
+
+				page_src = page_src.replace(regex, replace_str);
+			}
+
+			$('#pdledit_gui_offcanvas_edit_textarea').val(page_src);
+			$('#pdledit_gui_offcanvas_edit_textarea').bbco_autocomplete('comanche');
+			edit_offcanvas.show();
+		});
+
+		$(document).on('click', '#pdledit_gui_items', function(e) {
+			e.preventDefault();
+			$('#pdledit_gui_offcanvas_body').html(atob('{{$items}}'));
+			offcanvas.show();
+		});
+
+		$(document).on('click', '#pdledit_gui_templates', function(e) {
+			e.preventDefault();
+			$('#pdledit_gui_offcanvas_submit_body').html(atob('{{$templates}}'));
+
+			submit_offcanvas.show();
+		});
+
+		$(document).on('click', '#pdledit_gui_modules', function(e) {
+			e.preventDefault();
+			$('#pdledit_gui_offcanvas_body').html(atob('{{$modules}}'));
+			offcanvas.show();
+		});
+
+		$(document).on('click', '#pdledit_gui_save', function(e) {
+			e.preventDefault();
+
+			let obj = {};
+
+			content_regions.forEach(function (content_region, i) {
+				let data_src = [];
+				$('#' + content_region + ' > .card').each(function () {
+					data_src.push(this.dataset.src);
+				});
+				obj[regions[i]] = data_src;
+			});
+
+			$.post(
+				'pdledit_gui',
+				{
+					'save': 1,
+					'module': '{{$module}}',
+					'data': JSON.stringify(obj)
+				}
+			)
+			.done(function(data) {
+				if (data.success) {
+					window.location.href = 'pdledit_gui/' + data.module;
+				}
+			});
+		});
+
+		$(document).on('click', '#pdledit_gui_reset', function(e) {
+			e.preventDefault();
+			$.post(
+				'pdledit_gui',
+				{
+					'reset': 1,
+					'module': '{{$module}}'
+				}
+			)
+			.done(function(data) {
+				if (data.success) {
+					window.location.href = 'pdledit_gui/' + data.module;
+				}
+			});
+		});
+
+	});
+</script>
diff --git a/view/tpl/pdledit_gui_item.tpl b/view/tpl/pdledit_gui_item.tpl
new file mode 100644
index 000000000..9d0095ed4
--- /dev/null
+++ b/view/tpl/pdledit_gui_item.tpl
@@ -0,0 +1,18 @@
+<div class="pdledit_gui_item card mb-3" data-src="{{$entry.src}}">
+	<div class="card-header d-flex justify-content-between">
+		<span class="text-uppercase">{{$entry.name}}</span>
+		<div class="badge rounded-pill{{if $entry.type === 'widget'}} bg-info text-dark{{/if}}{{if $entry.type === 'content'}} bg-primary{{/if}}{{if $entry.type === 'menu'}} bg-secondary{{/if}}{{if $entry.type === 'block'}} bg-warning text-dark{{/if}}">
+			{{$entry.type}}
+		</div>
+	</div>
+	<div class="card-body">
+		{{if $entry.desc}}
+		<div class="mb-3 text-muted">{{$entry.desc}}</div>
+		{{/if}}
+		{{if $entry.type !== 'content'}}
+		<button type="button" class="btn btn-sm btn-outline-primary pdledit_gui_item_src{{if $disable_controls}} disabled{{/if}}">Edit</button>
+		<button type="button" class="btn btn-sm btn-outline-danger pdledit_gui_item_remove{{if $disable_controls}} disabled{{/if}}">Remove</button>
+		<i class="fa fa-fw fa-arrows-alt m-2 float-end cursor-pointer pdledit_gui_item_handle"></i>
+		{{/if}}
+	</div>
+</div>
diff --git a/view/tpl/pdledit_gui_templates.tpl b/view/tpl/pdledit_gui_templates.tpl
new file mode 100644
index 000000000..0f3d8a7b6
--- /dev/null
+++ b/view/tpl/pdledit_gui_templates.tpl
@@ -0,0 +1,11 @@
+<form id="pdledit_gui_templates_form">
+	{{foreach $templates as $template}}
+	<div class="form-check mb-2">
+		<input class="form-check-input" type="radio" name="template" id="id_template_{{$template.name}}" value="{{$template.name}}" {{if $template.name == $active}} checked{{/if}}>
+		<label class="form-check-label" for="id_template_{{$template.name}}">
+			{{$template.name}}
+		</label>
+		<small class="text-muted">{{$template.desc}}</small>
+	</div>
+	{{/foreach}}
+</form>