Added moving related files

src/main/java/info/loenwind/compare/ImgWindow.java

@@ -10,6 +10,7 @@
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -33,6 +34,7 @@
 import javax.swing.border.LineBorder;
 import javax.swing.table.DefaultTableModel;
 
+import info.loenwind.compare.tools.FileFinder;
 import info.loenwind.compare.tools.Settings;
 
 public class ImgWindow extends JFrame {
@@ -577,6 +579,15 @@ private void trash(File file) {
         ex.printStackTrace();
         JOptionPane.showMessageDialog(this, "The file " + name + " could not be moved to " + target + ". Message: " + ex.getLocalizedMessage(), "Error",
             JOptionPane.WARNING_MESSAGE);
+        return;
+      }
+      // also move related files
+      for (Path path : new FileFinder(file.toPath()).getMatches()) {
+        try {
+          Files.move(path, new File(settings.getTrashFolder(), path.getFileName().toString()).toPath());
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
       }
     }
   }

src/main/java/info/loenwind/compare/tools/FileFinder.java

@@ -0,0 +1,74 @@
+package info.loenwind.compare.tools;
+
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.ArrayList;
+import java.util.List;
+
+import static java.nio.file.FileVisitResult.CONTINUE;
+
+public class FileFinder extends SimpleFileVisitor<Path> {
+
+  private final PathMatcher matcher;
+  private final String ignore;
+  private final List<Path> matches = new ArrayList<>();
+
+  @SuppressWarnings("resource")
+  public FileFinder(Path startingDir, String pattern) {
+    matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern);
+    ignore = "";
+    try {
+      Files.walkFileTree(startingDir, this);
+    } catch (IOException e) {
+      e.printStackTrace();
+    }
+  }
+
+  @SuppressWarnings("resource")
+  public FileFinder(Path startingFile) {
+    Path fileName = startingFile.getFileName();
+    Path startingDir = startingFile.getParent();
+    ignore = fileName.toString();
+    String pattern = ignore.replaceFirst("\\.[^.]+$", ".*");
+    matcher = FileSystems.getDefault().getPathMatcher("glob:" + pattern);
+    try {
+      Files.walkFileTree(startingDir, this);
+    } catch (IOException e) {
+      e.printStackTrace();
+    }
+  }
+
+  private void find(Path file) {
+    Path name = file.getFileName();
+    if (name != null && matcher.matches(name) && !ignore.equals(name.toString())) {
+      matches.add(file);
+    }
+  }
+
+  @Override
+  public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
+    find(file);
+    return CONTINUE;
+  }
+
+  @Override
+  public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
+    return FileVisitResult.CONTINUE;
+  }
+
+  @Override
+  public FileVisitResult visitFileFailed(Path file, IOException exc) {
+    return CONTINUE;
+  }
+
+  public List<Path> getMatches() {
+    return matches;
+  }
+
+}

src/test/java/info/loenwind/compare/tools/FileFinderTest.java

@@ -0,0 +1,21 @@
+package info.loenwind.compare.tools;
+
+import java.nio.file.Paths;
+import java.util.Collections;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class FileFinderTest {
+
+  @Test
+  public final void testFileFinderPath() {
+    FileFinder finder = new FileFinder(Paths.get("src/test/resources", "test.txt"));
+    assertEquals("2 matches", 2, finder.getMatches().size());
+    Collections.sort(finder.getMatches());
+    assertEquals("Found xml neighbour", Paths.get("src/test/resources", "test.xml"), finder.getMatches().get(0));
+    assertEquals("Found yml neighbor", Paths.get("src/test/resources", "test.yaml"), finder.getMatches().get(1));
+  }
+
+}