Move contenteditable directive to separate file

Signed-off-by: Julius Härtl <jus@bitgrid.net>

js/directive/contenteditable.js

@@ -0,0 +1,48 @@
+/*
+ * @copyright Copyright (c) 2018 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+import app from '../app/App';
+
+app.directive("contenteditable", function() {
+	return {
+		require: "ngModel",
+		link: function(scope, element, attrs, ngModel) {
+
+			//read the text typed in the div (syncing model with the view)
+			function read() {
+				ngModel.$setViewValue(element.html());
+			}
+
+			//render the data now in your model into your view
+			//$render is invoked when the modelvalue differs from the viewvalue
+			//see documentation: https://docs.angularjs.org/api/ng/type/ngModel.NgModelController#
+			ngModel.$render = function() {
+				element.html(ngModel.$viewValue || "");
+			};
+
+			//do this whenever someone starts typing
+			element.bind("blur keyup change", function() {
+				scope.$apply(read);
+			});
+		}
+	};
+});