content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library 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
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.ui.components;
  
  import org.opencms.ui.FontOpenCms;
  
  import com.vaadin.ui.Button;
  import com.vaadin.ui.Button.ClickEvent;
  import com.vaadin.ui.Button.ClickListener;
  import com.vaadin.ui.Component;
  import com.vaadin.ui.ComponentContainer;
  import com.vaadin.ui.HasComponents;
  import com.vaadin.v7.ui.HorizontalLayout;
  
  /**
   * Removable form row.<p>
   *
   * @param <T> the filed type
   */
  public class CmsRemovableFormRow<T extends Component> extends HorizontalLayout {
  
      /** Serial version id. */
      private static final long serialVersionUID = 1L;
  
      /** Style name for the remove button. */
      public static final String REMOVE_BUTTON_STYLE = "o-formrow-remove-button";
  
      /** The text input field. */
      private T m_input;
  
      private Runnable m_remove;
  
      /**
       * Constructor.<p>
       *
       * @param input the input field
       * @param removeLabel the remove button label
       */
      public CmsRemovableFormRow(T input, String removeLabel) {
          setWidth("100%");
          m_input = input;
          setSpacing(true);
          input.setWidth("100%");
          addComponent(input);
          setExpandRatio(input, 1f);
          Button deleteButton = new Button("");
          deleteButton.setIcon(FontOpenCms.CUT_SMALL);
          deleteButton.addStyleName(REMOVE_BUTTON_STYLE);
          deleteButton.addStyleName(OpenCmsTheme.BUTTON_ICON);
          deleteButton.setDescription(removeLabel);
          deleteButton.addClickListener(new ClickListener() {
  
              private static final long serialVersionUID = 1L;
  
              public void buttonClick(ClickEvent event) {
  
                  removeRow();
              }
          });
          addComponent(deleteButton);
      }
  
      /**
       * Returns the input field.<p>
       *
       * @return the input field
       */
      public T getInput() {
  
          return m_input;
      }
  
      /**
       * Enables or diables the remove button.<p>
       *
       * @param enabled true -> remove is clickable
       */
      public void setEnabledRemoveOption(boolean enabled) {
  
          getComponent(1).setEnabled(enabled);
      }
  
      /**
       * Sets a runnable, which runs when row gets removed.<p>
       *
       * @param remove runnable
       */
      public void setRemoveRunnable(Runnable remove) {
  
          m_remove = remove;
      }
  
      /**
       * Method to remove row.<p>
       */
      void removeRow() {
  
          HasComponents parent = CmsRemovableFormRow.this.getParent();
          if (parent instanceof ComponentContainer) {
              ((ComponentContainer)parent).removeComponent(CmsRemovableFormRow.this);
          }
          if (m_remove != null) {
              m_remove.run();
          }
      }
  
  }
  