Allow to choose between the different fonts in CKEDITOR.

public/ckeditor/plugins/partdb_label/plugin.js

@@ -87,14 +87,13 @@ CKEDITOR.plugins.add('partdb_label', {
     hidpi: true,
     icons: 'placeholder',
     lang: ['en', 'de'],
-    onLoad: function() {
-        // Register styles for placeholder widget frame.
-        CKEDITOR.addCss( '.cke_placeholder{background-color:#ff0}' );
-    },
     init: function (editor) {
         var config = editor.config,
             lang = editor.lang.partdb_label;
 
+        var pluginDirectory = this.path;
+        editor.addContentsCss( pluginDirectory + 'styles/style.css' );
+
         // Put ur init code here.
         editor.widgets.add( 'placeholder', {
             // Widget code.

public/ckeditor/plugins/partdb_label/styles/style.css

@@ -0,0 +1,117 @@
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+
+@font-face {
+    font-family: "DejaVu Sans Mono";
+    font-style: normal;
+    font-weight: normal;
+    src: local(DejaVu Sans Mono), local(DejaVuSansMono),
+    url(DejaVuSansMono.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Sans Mono";
+    font-style: normal;
+    font-weight: bold;
+    src: local(DejaVu Sans Mono Bold), local(DejaVuSansMono-Bold),
+    url(DejaVuSansMono-Bold.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Sans Mono";
+    font-style: oblique;
+    font-weight: bold;
+    src: local(DejaVu Sans Mono Bold Oblique), local(DejaVuSansMono-BoldOblique),
+    url(DejaVuSansMono-BoldOblique.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Sans Mono";
+    font-style: oblique;
+    font-weight: normal;
+    src: local(DejaVu Sans Mono Oblique), local(DejaVuSansMono-Oblique),
+    url(DejaVuSansMono-Oblique.woff) format("woff");
+}
+
+@font-face {
+    font-family: "DejaVu Sans";
+    font-style: normal;
+    font-weight: normal;
+    src: local(DejaVu Sans), local(DejaVuSans),
+    url(DejaVuSans.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Sans";
+    font-style: normal;
+    font-weight: bold;
+    src: local(DejaVu Sans Bold), local(DejaVuSans-Bold),
+    url(DejaVuSans-Bold.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Sans";
+    font-style: oblique;
+    font-weight: bold;
+    src: local(DejaVu Sans Bold Oblique), local(DejaVuSans-BoldOblique),
+    url(DejaVuSans-BoldOblique.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Sans";
+    font-style: oblique;
+    font-weight: normal;
+    src: local(DejaVu Sans Oblique), local(DejaVuSans-Oblique),
+    url(DejaVuSans-Oblique.woff) format("woff");
+}
+
+@font-face {
+    font-family: "DejaVu Serif";
+    font-style: normal;
+    font-weight: normal;
+    src: local(DejaVu Serif), local(DejaVuSerif),
+    url(DejaVuSerif.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Serif";
+    font-style: normal;
+    font-weight: bold;
+    src: local(DejaVu Serif Bold), local(DejaVuSerif-Bold),
+    url(DejaVuSerif-Bold.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Serif";
+    font-style: italic;
+    font-weight: bold;
+    src: local(DejaVu Serif Bold Italic), local(DejaVuSerif-BoldItalic),
+    url(DejaVuSerif-BoldItalic.woff) format("woff");
+}
+@font-face {
+    font-family: "DejaVu Serif";
+    font-style: italic;
+    font-weight: normal;
+    src: local(DejaVu Serif Italic), local(DejaVuSerif-Italic),
+    url(DejaVuSerif-Italic.woff) format("woff");
+}
+
+
+.cke_placeholder {
+    background-color:#ff0
+}
+
+.cke_editable {
+    font-family: "DejaVu Sans Mono";
+    font-size: 9pt;
+    line-height: 1.5;
+}