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/*
 * Copyright 2014 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.way.io.xls;

import static com.google.common.collect.Lists.newArrayList;

import java.util.List;

/**
 * @author [email protected] (Marcio Endo)
 */
public class Styles {

  private Styles() {
  }

  public static Builder centered() {
    return builder().centered();
  }

  public static Builder leftAligned() {
    return builder().leftAligned();
  }

  public static Builder rightAligned() {
    return builder().rightAligned();
  }

  public static Builder bold() {
    return builder().bold();
  }

  public static Builder normalWeight() {
    return builder().normalWeight();
  }

  public static Builder italic() {
    return builder().italic();
  }

  public static Builder strike() {
    return builder().strike();
  }

  public static Builder underline() {
    return builder().underline();
  }

  private static Builder builder() {
    return new Builder();
  }

  public static class Builder {

    private final List list = newArrayList();

    private Builder() {
    }

    public Builder centered() {
      return add(Alignment.CENTER);
    }

    public Builder leftAligned() {
      return add(Alignment.LEFT);
    }

    public Builder rightAligned() {
      return add(Alignment.RIGHT);
    }

    public Builder bold() {
      return add(FontWeight.BOLD);
    }

    public Builder normalWeight() {
      return add(FontWeight.NORMAL);
    }

    public Builder italic() {
      return add(FontStyle.ITALIC);
    }

    public Builder strike() {
      return add(FontStyle.STRIKE);
    }

    public Builder underline() {
      return add(FontStyle.UNDERLINE);
    }

    void addAll(List canStyleList) {
      canStyleList.addAll(list);
    }

    private Builder add(CanStyle style) {
      list.add(style);
      return this;
    }

  }

}