Include themes and fonts in OSX app package. Standardize loading

resource files

diylc/diylc-core/src/org/diylc/presenter/update.xml

@@ -3041,7 +3041,11 @@
 			</versionNumber>
 			<releaseDate>2020-04-20 00:00:00.000 CET</releaseDate>
 			<name></name>
-			<changes>				
+			<changes>
+				<org.diylc.appframework.update.Change>
+					<changeType>IMPROVEMENT</changeType>
+					<description>Include themes and fonts in OSX app package</description>
+				</org.diylc.appframework.update.Change>					
 				<org.diylc.appframework.update.Change>
 					<changeType>BUG_FIX</changeType>
 					<description>Some boards (e.g. Breadboard) stop working at certain orientations</description>

diylc/diylc-core/src/org/diylc/utils/ResourceLoader.java

@@ -0,0 +1,51 @@
+/*
+ * 
+ * DIY Layout Creator (DIYLC). Copyright (c) 2009-2018 held jointly by the individual authors.
+ * 
+ * This file is part of DIYLC.
+ * 
+ * DIYLC is free software: you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * DIYLC 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 General
+ * Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with DIYLC. If not, see
+ * <http://www.gnu.org/licenses/>.
+ * 
+ */
+package org.diylc.utils;
+
+import java.io.File;
+
+import org.apache.log4j.Logger;
+
+public class ResourceLoader {
+  
+  private static final Logger LOG = Logger.getLogger(ResourceLoader.class);
+
+  public static File[] getFiles(String relativePath) {
+    String bundlePath;
+    try {
+      bundlePath = com.apple.eio.FileManager.getPathToApplicationBundle();
+      LOG.debug("Detected OSX bundle path: " + bundlePath);
+    } catch (Exception e) {
+      bundlePath = null; // on non-OSX platforms
+    }
+    try {
+      String absolutePath;
+      if (bundlePath == null)
+        absolutePath = relativePath;
+      else
+        absolutePath = bundlePath + File.separator + "Contents" + File.separator + "Resources" + File.separator + relativePath;
+      LOG.debug("Looking for files in: " + absolutePath);
+      File absoluteFile = new File(absolutePath);
+      return absoluteFile.listFiles();
+    } catch (Exception e) {
+      LOG.error("Error while looking for files in: " + relativePath, e);
+      return null;
+    }
+  }
+}