* can use #NUMBER to make a link to the task by id in markdown note; opens this link as a search (experimental)

src/includes/class.dbcore.php

@@ -0,0 +1,70 @@
+<?php
+
+// FIXME: experimental, subject to change
+
+class DBCore
+{
+	/** @var Database_Abstract $db */
+	protected $db;
+
+	/** @var DBCore $defaultdb */
+	protected static $defaultInstance;
+
+	/**
+	 *
+	 * @param Database_Abstract $db Value of DBConnection::instance() or similar
+	 * @return void
+	 */
+	public function __construct(Database_Abstract $db) {
+		$this->db = $db;
+	}
+
+	/**
+	 *
+	 * @return Database_Abstract
+	 * @throws Exception
+	 */
+	public function connection()
+	{
+		if (!isset($this->db)) {
+			throw new Exception("DBConnection is not set");
+		}
+		return $this->db;
+	}
+
+	/**
+	 *
+	 * @return DBCore
+	 * @throws Exception
+	 */
+	public static function defaultInstance() : DBCore
+	{
+        if (!isset(self::$defaultInstance)) {
+			throw new Exception("DBCore defaultInstance is not initialized");
+        }
+		return self::$defaultInstance;
+	}
+
+	/**
+	 *
+	 * @param DBCore $instance
+	 * @return void
+	 */
+	public static function setDefaultInstance(DBCore $instance)
+	{
+		self::$defaultInstance = $instance;
+	}
+
+	/**
+	 *
+	 * @param int $id
+	 * @return int
+	 */
+	public function getListIdByTaskId(int $id): int
+	{
+		$db = $this->db;
+		$listId = (int)$db->sq("SELECT list_id FROM {$db->prefix}todolist WHERE id=". (int)$id);
+		return $listId;
+	}
+
+}

src/includes/markup.php

@@ -1,6 +1,7 @@
 <?php
 
 require_once(MTTINC. 'parsedown/Parsedown.php');
+require_once(MTTINC. 'parsedown/MTTParsedown.php');
 
 
 function noteMarkup($note)
@@ -17,7 +18,7 @@ function noteMarkup($note)
 // Markdown converter (Parsedown)
 function markdownToHtml($s)
 {
-	$parser = Parsedown::instance();
+	$parser = MTTParsedown::instance();
 	$parser->setSafeMode(true);
 	//$parser->setBreaksEnabled(true);
 	return $parser->text($s);

src/includes/mytinytodo.js

@@ -655,6 +655,11 @@ var mytinytodo = window.mytinytodo = _mtt = {
 		if (path.settings) {
 			showSettings();
 		}
+		else if (path.search && path.list) {
+			filter.search = path.search;
+			this.pageSet('tasks', '');
+			this.loadLists();
+		}
 		else {
 			this.pageSet('tasks', '');
 			this.loadLists();
@@ -664,7 +669,7 @@ var mytinytodo = window.mytinytodo = _mtt = {
 	loadLists: function()
 	{
 		if(filter.search != '') {
-			filter.search = '';
+			//filter.search = '' will be in tabSelect
 			$('#searchbarkeyword').text('');
 			$('#searchbar').hide();
 		}
@@ -879,6 +884,7 @@ var mytinytodo = window.mytinytodo = _mtt = {
 				case "list": if(a[++i].match(/^-?\d+$/)) { p[s] = a[i]; } break;
 				case "alltasks": p.list = '-1'; break;
 				case "settings": p.settings = true; break;
+				case "search":   p.search = decodeURIComponent(a[++i]); break;
 			}
 		}
 
@@ -1400,6 +1406,7 @@ function tabSelect(elementOrId)
 		mytinytodo.doAction('listSelected', tabLists.get(id));
 	}
 	var newTitle = curList.name + ' - ' + _mtt.options.title;
+	var isFirstLoad = flag.firstLoad;
 	updateHistoryState( { list:id }, _mtt.urlForList(curList), newTitle );
 
 	if(curList.hidden) {
@@ -1409,7 +1416,16 @@ function tabSelect(elementOrId)
 	flag.tagsChanged = true;
 	cancelTagFilter(0, 1);
 	setTaskview(0);
-	loadTasks({clearTasklist:1});
+
+	if (isFirstLoad && filter.search != '') {
+		$('#search').val(filter.search);
+		$('#search_close').show();
+		searchTasks(true);
+	}
+	else {
+		filter.search = '';
+		loadTasks({clearTasklist:1});
+	}
 };
 
 

src/includes/parsedown/MTTParsedown.php

@@ -0,0 +1,37 @@
+<?php
+
+class MTTParsedown extends Parsedown
+{
+
+    function __construct()
+    {
+        $this->InlineTypes['#'][]= 'TaskId';
+
+        $this->inlineMarkerList .= '#';
+    }
+
+    protected function inlineTaskId($excerpt)
+    {
+        if (preg_match('/^#(\d+)/', $excerpt['text'], $matches))
+        {
+            return array(
+
+                // How many characters to advance the Parsedown's
+                // cursor after being done processing this tag.
+                'extent' => strlen($matches[0]),
+                'element' => array(
+                    'name' => 'a',
+                    'text' => '#'. $matches[1],
+                    'attributes' => array(
+                        'href' => get_mttinfo('url'). '?task='. $matches[1],
+						'target' => '_blank',
+						'class' => 'mtt-link-to-task',
+						'target-id' => $matches[1],
+                    ),
+                ),
+
+            );
+        }
+    }
+
+}

src/index.php

@@ -8,14 +8,8 @@
 require_once('./init.php');
 
 //Parse query string
-if ( isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '' )
-{
-	parse_str($_SERVER['QUERY_STRING'], $q);
-	if (isset($q['list'])) {
-		$hash = ($q['list'] == 'alltasks') ? ['alltasks'] : ['list', (int)$q['list']];
-		unset($q['list']);
-		redirectWithHashRoute($q, $hash);
-	}
+if ( isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '' ) {
+	parseRoute($_SERVER['QUERY_STRING']);
 }
 
 
@@ -35,7 +29,26 @@ require(TEMPLATEPATH. 'index.php');
 
 // end
 
-function redirectWithHashRoute(array $q, array $hash)
+
+function parseRoute($queryString)
+{
+	parse_str($queryString, $q);
+	if (isset($q['list'])) {
+		$hash = ($q['list'] == 'alltasks') ? ['alltasks'] : ['list', (int)$q['list']];
+		unset($q['list']);
+		redirectWithHashRoute($hash, $q);
+	}
+	else if (isset($q['task'])) {
+		$listId = (int)DBCore::defaultInstance()->getListIdByTaskId((int)$q['task']);
+		if ($listId > 0) {
+			$h = [ 'list', $listId, 'search', '#'. (int)$q['task']];
+			redirectWithHashRoute($h);
+		}
+		// TODO: not found
+	}
+}
+
+function redirectWithHashRoute(array $hash, array $q = [])
 {
 	$url = get_unsafe_mttinfo('url');
 	$query = http_build_query($q);

src/init.php

@@ -32,6 +32,7 @@ else {
 
 require_once(MTTINC. 'common.php');
 require_once(MTTINC. 'class.dbconnection.php');
+require_once(MTTINC. 'class.dbcore.php');
 require_once(MTTINC. 'class.config.php');
 require_once(MTTPATH. 'db/config.php');
 
@@ -71,6 +72,7 @@ else {
 	die("Not installed. Run <a href=setup.php>setup.php</a> first.");
 }
 DBConnection::setPrefix(Config::get('prefix'));
+DBCore::setDefaultInstance(new DBCore($db));
 Config::load();