Implemented a colorpicker for all color selectors. #204, #395

Signed-off-by: oskar <oskar.kurz@gmail.com>

js/controller/ColorPickerController.js

@@ -0,0 +1,42 @@
+/*
+ * @copyright Copyright (c) 2018 Oskar Kurz <oskar.kurz@gmail.com>
+ *
+ * @author Oskar Kurz <oskar.kurz@gmail.com>
+ *
+ * @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/>.
+ *
+ */
+
+/* global oc_defaults OC */
+app.controller('ColorPickerController', ['$scope', function($scope) {
+    $scope.hashedColor = '';
+
+    $scope.setColor = function(object,color) {
+        object.color = color;
+        object.hashedColor = '#' + color;
+
+        return object;
+    }
+
+    $scope.setHashedColor = function(object) {
+        object.color = object.hashedColor.substr(1);
+        return object;
+    }
+
+    $scope.getCustomBackground = function(color) {
+        return { 'background-color': color };
+    };
+}]);