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package com.hfg.xml.msofficexml.xlsx.spreadsheetml;

import java.util.Collection;
import java.util.List;

import com.hfg.graphics.units.GfxSize;
import com.hfg.graphics.units.GfxUnits;
import com.hfg.util.StringUtil;
import com.hfg.util.collection.CollectionUtil;
import com.hfg.xml.XMLAttribute;
import com.hfg.xml.XMLName;
import com.hfg.xml.XMLTag;
import com.hfg.xml.XMLizable;
import com.hfg.xml.msofficexml.xlsx.CellRef;

//------------------------------------------------------------------------------
/**
 Represents an Office Open XML worksheet data row (<ssml:r>) tag.

 @author J. Alex Taylor, hairyfatguy.com
 */
//------------------------------------------------------------------------------
// com.hfg XML/HTML Coding Library
//
// 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.
//
// 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
//
// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
// [email protected]
//------------------------------------------------------------------------------

public class SsmlRow extends SsmlXMLTag
{
   private SsmlWorksheet mParentWorksheet;

   // Cached values
   private List mCells;

   //##########################################################################
   // CONSTRUCTORS
   //##########################################################################

   //---------------------------------------------------------------------------
   public SsmlRow(SsmlWorksheet inParentWorksheet)
   {
      super(SsmlXML.ROW, inParentWorksheet.getParentDoc());
      mParentWorksheet = inParentWorksheet;
   }

   //---------------------------------------------------------------------------
   public SsmlRow(SsmlWorksheet inParentWorksheet, XMLTag inXMLTag)
   {
      this(inParentWorksheet);
      inXMLTag.verifyTagName(SsmlXML.ROW);

      setRowIndex(Integer.parseInt(inXMLTag.getAttributeValue(SsmlXML.ROW_IDX_ATT)));

      // Copy subtags over to this tag
      if (CollectionUtil.hasValues(inXMLTag.getSubtags()))
      {
         for (XMLTag subtag : (List) (Object) inXMLTag.getSubtags())
         {
            if (subtag.getTagName().equals(SsmlXML.CELL.getLocalName()))
            {
               addCell(new SsmlCell(inParentWorksheet, subtag));
            }
            else
            {
               addSubtag(subtag);
            }
         }
      }
   }

   //##########################################################################
   // PUBLIC METHODS
   //##########################################################################


   //---------------------------------------------------------------------------
   public SsmlRow setRowIndex(int inValue)
   {
      setAttribute(SsmlXML.ROW_IDX_ATT, inValue);

      return this;
   }

   //---------------------------------------------------------------------------
   public Integer getRowIndex()
   {
      XMLAttribute attr = getAttribute(SsmlXML.ROW_IDX_ATT);

      return attr != null ? Integer.parseInt(attr.getValue()) : null;
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell()
   {
      String column = "A";
      // How many cells do we already have?
      CellRef maxCell = getMaxCellRef();
      if (maxCell != null)
      {
         column = maxCell.nextCol();
      }

      // They might set the column later but we want to be sure that it has a value.
      SsmlCell cell = new SsmlCell(mParentWorksheet).setRef(new CellRef(column + getRowIndex()));
      addSubtag(cell);

      clearCachedValues();

      return cell;
   }

   //---------------------------------------------------------------------------
   public SsmlCell setCell(int inColIndex, String inValue)
   {
      return addCellByColIndex(inColIndex).setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCellByColIndex(int inColIndex)
   {
      CellRef cellRef = new CellRef().setColIndex(inColIndex).setRowIndex(getRowIndex());

      SsmlCell cell = new SsmlCell(mParentWorksheet).setRef(cellRef);
      addCell(cell);

      return cell;
   }

   //---------------------------------------------------------------------------
   public void addCell(SsmlCell inValue)
   {
      int maxColIndex = 0;

      CellRef maxCellRef = getMaxCellRef();
      if (maxCellRef != null)
      {
         maxColIndex = maxCellRef.getColIndex();
      }

      if (null == inValue.getRef())
      {
         // No column specified. Add to the end of the row.
         inValue.setRef(new CellRef().setColIndex(maxColIndex + 1).setRowIndex(getRowIndex()));
      }


      if (inValue.getRef().getColIndex() > maxColIndex)
      {
         // It's the highest value. Just add it to the end.
         addSubtag(inValue);
      }
      else
      {
         List cells = getCells();
         for (int i = 0; i < cells.size(); i++)
         {
            SsmlCell cell = cells.get(i);
            if (cell.getRef().equals(inValue.getRef()))
            {
               // Replace this cell.
               addSubtag(getContentPlusSubtagList().indexOf(cells.get(i)), inValue);
               removeSubtag(cell);
               break;
            }
            else if (cell.getRef().getColIndex() > inValue.getRef().getColIndex())
            {
               // Insert before this cell.
               addSubtag(getContentPlusSubtagList().indexOf(cells.get(i)), inValue);
               break;
            }
         }
      }

      clearCachedValues();
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(Object inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(SsmlTextRun inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(List inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(String inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(int inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(long inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(float inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public SsmlCell addCell(double inValue)
   {
      return addCell().setValue(inValue);
   }

   //---------------------------------------------------------------------------
   public List getCells()
   {
      if (null == mCells)
      {
         mCells = (List) (Object) getSubtagsByName(SsmlXML.CELL);
      }

      return mCells;
   }

   //---------------------------------------------------------------------------
   /**
    * Returns whether or not any cell in this row contains content.
    * @return whether or not any cell in this row contains content
    */
   public boolean isEmpty()
   {
      return null == getFirstCellWithContent();
   }

   //---------------------------------------------------------------------------
   /**
    * Returns the first cell in this row that contains content.
    * @return the first cell in this row that contains content
    */
   public SsmlCell getFirstCellWithContent()
   {
      SsmlCell firstCellWithContent = null;
      List cells = getCells();
      if (CollectionUtil.hasValues(cells))
      {
         for (SsmlCell cell : cells)
         {
            Object value = cell.getValue();
            if (value != null
                && StringUtil.isSet(value.toString()))
            {
               firstCellWithContent = cell;
               break;
            }
         }
      }

      return firstCellWithContent;
   }

   //---------------------------------------------------------------------------
   public SsmlCell getCellByColIndex(int inColIndex)
   {
      SsmlCell requestedCell = null;

      if (CollectionUtil.hasValues(getCells()))
      {
         for (SsmlCell cell : getCells())
         {
            if (cell.getRef().getColIndex() == inColIndex)
            {
               requestedCell = cell;
               break;
            }
         }
      }

      return requestedCell;
   }

   //---------------------------------------------------------------------------
   public CellRef getMinCellRef()
   {
      // How many cells do we already have?
      CellRef cellRef = null;

      List cellTags = getSubtagsByName(SsmlXML.CELL);
      if (CollectionUtil.hasValues(cellTags))
      {
         XMLTag firstCell = cellTags.get(0);
         XMLAttribute attr = firstCell.getAttribute(SsmlXML.REF_ATT);
         if (attr != null)
         {
            cellRef = new CellRef(attr.getValue());
         }
      }

      return cellRef;
   }

   //---------------------------------------------------------------------------
   public CellRef getMaxCellRef()
   {
      // How many cells do we already have?
      CellRef cellRef = null;

      List cellTags = getSubtagsByName(SsmlXML.CELL);
      if (CollectionUtil.hasValues(cellTags))
      {
         XMLTag lastCell = cellTags.get(cellTags.size() - 1);
         XMLAttribute attr = lastCell.getAttribute(SsmlXML.REF_ATT);
         if (attr != null)
         {
            cellRef = new CellRef(attr.getValue());
         }
      }

      return cellRef;
   }

   //---------------------------------------------------------------------------
   public SsmlRow setHeight(GfxSize inValue)
   {
      setAttribute(SsmlXML.HEIGHT_ATT, inValue.to(GfxUnits.points));
      setAttribute(SsmlXML.CUSTOM_HEIGHT_ATT, "1");
      return this;
   }

   //---------------------------------------------------------------------------
   @Override
   public synchronized void addSubtags(Collection inSubtags)
   {
      clearCachedValues();
      super.addSubtags(inSubtags);
   }

   //---------------------------------------------------------------------------
   @Override
   public void addSubtag(XMLizable inSubtag)
   {
      clearCachedValues();
      super.addSubtag(inSubtag);
   }

   //---------------------------------------------------------------------------
   @Override
   public void addSubtag(int inIndex, XMLizable inSubtag)
   {
      clearCachedValues();
      super.addSubtag(inIndex, inSubtag);
   }

   //--------------------------------------------------------------------------
   @Override
   public XMLTag addSubtag(String inTagName)
   {
      clearCachedValues();
      return super.addSubtag(inTagName);
   }

   //--------------------------------------------------------------------------
   @Override
   public XMLTag addSubtag(XMLName inTagName)
   {
      clearCachedValues();
      return super.addSubtag(inTagName);
   }

   //---------------------------------------------------------------------------
   private void clearCachedValues()
   {
      mCells = null;
   }
}




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