/*
 * Copyright 2016 kohii
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.smoothcsv.commons.utils;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;

/**
 * @author kohii
 */
public class CollectionUtils {

  public static <T> void add(Collection<T> c, T t, int size) {
    c.addAll(Arrays.asList(ArrayUtils.createAndFill(size, t)));
  }

  public static <T> List<T> unique(List<T> list) {
    List<T> ret = new ArrayList<>();
    for (T t : list) {
      if (!ret.contains(t)) {
        ret.add(t);
      }
    }
    return ret;
  }
}

/*
 * Copyright 2016 kohii
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.smoothcsv.commons.utils;

import java.util.Arrays;
import java.util.Collection;

/**
 * @author kohii
 */
public class CollectionUtils {

  public static <T> void add(Collection<T> c, T t, int size) {
    c.addAll(Arrays.asList(ArrayUtils.createAndFill(size, t)));
  }
}

--- 
+++ 
@@ -13,8 +13,10 @@
  */
 package com.smoothcsv.commons.utils;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.List;
 
 /**
  * @author kohii
@@ -24,4 +26,14 @@
   public static <T> void add(Collection<T> c, T t, int size) {
     c.addAll(Arrays.asList(ArrayUtils.createAndFill(size, t)));
   }
+
+  public static <T> List<T> unique(List<T> list) {
+    List<T> ret = new ArrayList<>();
+    for (T t : list) {
+      if (!ret.contains(t)) {
+        ret.add(t);
+      }
+    }
+    return ret;
+  }
 }
Modify CsvMetaPanel so that it remembers user selection history
