/*
    * Copyright 2003 - 2013 The eFaps Team
    *
    * 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.
   *
   * Revision:        $Rev$
   * Last Changed:    $Date$
   * Last Changed By: $Author$
   */
  
  package org.efaps.admin.datamodel.ui;
  
  import java.text.Collator;
  import java.util.List;
  
  import org.apache.commons.lang3.StringEscapeUtils;
  import org.efaps.admin.dbproperty.DBProperties;
  import org.efaps.admin.ui.AbstractUserInterfaceObject.TargetMode;
  import org.efaps.admin.ui.field.Field;
  import org.efaps.db.Context;
  import org.efaps.util.EFapsException;
  import org.efaps.util.cache.CacheReloadException;
  
  /**
   * Class to represent a String for the user interface.
   *
   * @author The eFaps Team
   * @version $Id$
   *
   */
  public class StringUI
      extends AbstractUI
  {
  
      /**
       * Needed for serialization.
       */
      private static final long serialVersionUID = 1L;
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getReadOnlyHtml(final FieldValue _fieldValue)
      {
          final StringBuilder ret = new StringBuilder();
          final Field field = _fieldValue.getField();
          final Object value = _fieldValue.getValue();
  
          if (value instanceof List<?>) {
              final List<?> values = (List<?>) value;
              boolean first = true;
              for (final Object obj : values) {
                  final String tmp = obj.toString();
                  if (tmp != null) {
                      if (first) {
                          first = false;
                      } else {
                          ret.append("<br/>");
                      }
                      ret.append(StringEscapeUtils.escapeHtml4(tmp).replaceAll("\\n", "<br/>"));
                  }
              }
          } else {
              final String tmp = value != null ? value.toString() : "";
              if (tmp != null) {
                  ret.append("<span name=\"").append(field.getName()).append("\" ").append(UIInterface.EFAPSTMPTAG)
                      .append(">").append(StringEscapeUtils.escapeHtml4(tmp).replaceAll("\\n", "<br/>"))
                      .append("</span>");
              }
          }
          return ret.toString();
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getHiddenHtml(final FieldValue _fieldValue)
          throws EFapsException
      {
          final StringBuilder ret = new StringBuilder();
          final Field field = _fieldValue.getField();
          final Object value = _fieldValue.getValue();
          final String tmp = value != null ? value.toString() : "";
  
          ret.append("<input type=\"hidden\" ").append(" name=\"").append(field.getName())
              .append("\" value=\"").append(StringEscapeUtils.escapeHtml4(tmp)).append("\"")
              .append(UIInterface.EFAPSTMPTAG).append("/>");
 
         return ret.toString();
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getEditHtml(final FieldValue _fieldValue)
     {
         final StringBuilder ret = new StringBuilder();
         final Field field = _fieldValue.getField();
         final Object value = _fieldValue.getValue();
         if (_fieldValue.getTargetMode().equals(TargetMode.SEARCH)) {
             final String tmp = value != null ? value.toString() : "*";
             ret.append("<input type=\"text\"")
                 .append(" size=\"").append(field.getCols())
                 .append("\" name=\"").append(field.getName())
                 .append("\" value=\"").append(StringEscapeUtils.escapeHtml4(tmp)).append("\" />");
         } else {
             final String tmp = value != null ? value.toString() : "";
             if (field.getRows() > 1) {
                 ret.append("<textarea type=\"text\"")
                                 .append(" cols=\"").append(field.getCols())
                                 .append("\" rows=\"").append(field.getRows())
                                 .append("\" name=\"").append(field.getName()).append("\"")
                                 .append(UIInterface.EFAPSTMPTAG).append("/>");
                 if (value != null) {
                     ret.append(StringEscapeUtils.escapeHtml4(tmp));
                 }
                 ret.append("</textarea>");
             } else {
                 ret.append("<input type=\"text\" size=\"").append(field.getCols())
                     .append("\" name=\"").append(field.getName())
                     .append("\" value=\"").append(StringEscapeUtils.escapeHtml4(tmp))
                     .append("\"").append(UIInterface.EFAPSTMPTAG).append("/>");
             }
         }
         return ret.toString();
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String getStringValue(final FieldValue _fieldValue)
         throws EFapsException
     {
         return _fieldValue.getValue() == null ? "" : _fieldValue.getValue().toString();
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public int compare(final FieldValue _fieldValue,
                        final FieldValue _fieldValue2)
     {
         final String value = _fieldValue.getValue().toString();
         final String value2 = _fieldValue2.getValue().toString();
         Collator collator;
         try {
             collator = Collator.getInstance(Context.getThreadContext().getLocale());
         } catch (final EFapsException e) {
             // on an error the default locale is used
             collator =  Collator.getInstance();
         }
         collator.setStrength(Collator.PRIMARY);
         return collator.compare(value, value2);
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public String validateValue(final UIValue _value)
         throws CacheReloadException
     {
         String ret = null;
         if (_value.getAttribute() != null && _value.getDbValue() != null) {
             if (_value.getAttribute().getSize() > 0
                             && String.valueOf(_value.getDbValue()).length() > _value.getAttribute().getSize()) {
                 ret = DBProperties.getProperty(StringUI.class.getName() + ".InvalidValue") + " "
                                 + _value.getAttribute().getSize();
             }
         }
         return ret;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public Object getObject4Compare(final FieldValue _fieldValue)
         throws EFapsException
     {
         return _fieldValue.getValue();
     }
 }