reimplemented clickable links

Author: Henni

css/notes.css

@@ -77,6 +77,11 @@
     overflow-x: auto !important;
 }
 
+/* enable clickthrough for links */
+.CodeMirror-cursor {
+    pointer-events: none;
+}
+
 #app-content .note-meta {
     position: relative;
     padding: 0 45px 30px 45px;

js/app/directives/editor.js

@@ -1,5 +1,7 @@
 /*global SimpleMDE*/
-app.directive('editor', ['$timeout', function ($timeout) {
+app.directive('editor', ['$timeout',
+                         'urlFinder',
+                         function ($timeout, urlFinder) {
 	'use strict';
 	return {
 		restrict: 'A',
@@ -26,6 +28,15 @@ app.directive('editor', ['$timeout', function ($timeout) {
 					});
 				});
 			});
+
+			editorElement.on('click', '.cm-link, .cm-url', function(event) {
+				if(event.ctrlKey) {
+					var url = urlFinder(this);
+					if(angular.isDefined(url)) {
+						window.open(url, '_blank');
+					}
+				}
+			});
 		}
 	};
 }]);

js/app/services/urlFinder.js

@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) 2016, Hendrik Leppelsack
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING file.
+ */
+
+// finds the url which should be opened when a link is clicked
+// example: '[hello](http://example.com)'
+app.factory('urlFinder', [function() {
+	'use strict';
+
+	return function urlFinder(element) {
+		element = $(element);
+
+		// special case: click on ')'
+		if(element.is('.cm-url.cm-formatting')) {
+			if(element.prev().length !== 0) {
+				element = element.prev();
+			}
+		}
+
+		// skip '[hello]'
+		while(element.is('.cm-link')) {
+			element = element.next();
+		}
+
+		// skip '('
+		while(element.is('.cm-url.cm-formatting')) {
+			element = element.next();
+		}
+
+		// check if we actually have a cm-url
+		if(element.is('.cm-url:not(.cm-formatting)')) {
+			return element.text();
+		}
+
+		return undefined;
+	};
+}]);