/*
 *
 * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
 * one or more contributor license agreements (see COPYRIGHT for details).
 * The CA licenses this file to you under the GNU Affero General Public
 * License version 3, (the "License"); you may not use this file except in
 * compliance with the License. This file is part of kune.
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 */
package cc.kune.core.client.ui;


import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.HTML;
import com.google.inject.Inject;

import cc.kune.common.shared.i18n.I18nTranslationService;

// TODO: Auto-generated Javadoc
/**
 * The Class ContentPosition.
 *
 * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
 */
public class ContentPosition {

  /** The Constant CENTER. */
  public static final String CENTER = "center";

  /** The Constant LEFT. */
  public static final String LEFT = "left";

  /** The Constant RIGHT. */
  public static final String RIGHT = "right";

  /** The i18n. */
  private static I18nTranslationService i18n;

  /** The position objs. */
  private static Object[][] positionObjs;

  /** The Constant POSITIONS. */
  protected static final String[][] POSITIONS = { new String[] { LEFT }, new String[] { CENTER },
      new String[] { RIGHT } };

  /**
   * Gets the positions.
   *
   * @return the positions
   */
  public synchronized static Object[][] getPositions() {
    if (positionObjs == null) {
      final String[][] values = POSITIONS;
      positionObjs = new Object[values.length][1];
      int i = 0;
      for (final String[] position : values) {
        final Object[] obj = new Object[] { position[0], i18n.t(position[0]) };
        positionObjs[i++] = obj;
      }
    }
    return positionObjs;
  }

  /**
   * Sets the center position.
   *
   * @param elementCode
   *          the element code
   * @return the string
   */
  public static String setCenterPosition(final String elementCode) {
    return setPosition(elementCode, false, CENTER);
  }

  /**
   * Sets the position.
   *
   * @param element
   *          the element
   * @param wraptext
   *          the wraptext
   * @param position
   *          the position
   * @return the element
   */
  public static Element setPosition(final Element element, final boolean wraptext, final String position) {
    if (!wraptext || position.equals(ContentPosition.CENTER)) {
      final com.google.gwt.user.client.Element divEl = DOM.createDiv();
      divEl.getStyle().setTextAlign(Style.TextAlign.valueOf(position));
      divEl.setInnerHTML(element.getString());
      return divEl;
    } else {
      element.getStyle().setFloat(Style.Float.valueOf(position));
      return element;
    }
  }

  /**
   * Sets the position.
   *
   * @param elementCode
   *          the element code
   * @param wraptext
   *          the wraptext
   * @param position
   *          the position
   * @return the string
   */
  public static String setPosition(final String elementCode, final boolean wraptext,
      final String position) {
    final HTML html = new HTML(elementCode);
    html.removeStyleName("gwt-HTML");
    return setPosition(html.getElement(), wraptext, position).getString();
  }

  /**
   * Instantiates a new content position.
   *
   * @param i18n
   *          the i18n
   */
  @Inject
  public ContentPosition(final I18nTranslationService i18n) {
    ContentPosition.i18n = i18n;
  }
}