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/*******************************************************************************
 * Copyright 2016 Guy Davenport
 *
 * 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 uno.informatics.common.io;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import uno.informatics.data.io.FileType;

public class ExcelFilePropertiesWithSheets extends ExcelFileProperties
{
	private static final String SHEETS_PROPERTY = ExcelFilePropertiesWithSheets.class.getName() + ".sheets";
	
	private List sheets ;
	
	public ExcelFilePropertiesWithSheets(File file)
  {
	  this(file, FileType.XLSX, null);
  }
	
	public ExcelFilePropertiesWithSheets(File file, FileType fileType)
  {
	  this(file, FileType.XLSX, null);
  }
	
	public ExcelFilePropertiesWithSheets(File file, FileType fileType, List sheets)
  {
	  super(file, fileType);
	  
	  this.sheets = new ArrayList() ;
	  if (sheets != null)
	  	this.sheets.addAll(sheets) ;
  }
	
	
	public void setSelectedSheet(String selectedSheet)
	{
		super.setSelectedSheet(selectedSheet);
		
		if (selectedSheet != null && !this.sheets.contains(selectedSheet))
			addSheet(selectedSheet) ;
	}

	public final List getSheets()
	{
		return sheets ;
	}
	
	public final void setSheets(List sheets)
	{
		if (this.sheets != sheets)
		{
			List oldValue = sheets ;
			
		  if (sheets != null)
		  {
				this.sheets = new ArrayList(sheets.size()) ;
			  
		  	this.sheets.addAll(sheets) ;
		  	
				getPropertyChangeSupport().firePropertyChange(SHEETS_PROPERTY, oldValue, this.sheets) ;
				
				if (getSelectedSheet() != null && !this.sheets.contains(getSelectedSheet()))
					setSelectedSheet(null) ;
		  }
		  else
		  {
				this.sheets = new ArrayList(0) ;

				getPropertyChangeSupport().firePropertyChange(SHEETS_PROPERTY, oldValue, this.sheets) ;
				
				setSelectedSheet(null) ;
		  }
		}
	}

	public final boolean addSheet(String sheet)
	{
		if (sheet != null)
		{
			List oldValue = sheets ;
			
		  sheets = new ArrayList(oldValue.size()+1) ;
			
			boolean success = oldValue.isEmpty() || sheets.addAll(oldValue) ;
	
			if (success)
				success = sheets.add(sheet) ;
			
			if (success)
				getPropertyChangeSupport().firePropertyChange(SHEETS_PROPERTY, oldValue, this.sheets) ;
			
			return success ;
		}
		else
		{
			return false ;
		}
	}
	
	public final boolean removeSheet(String sheet)
	{
		if (sheet != null)
		{
			List oldValue = sheets ;
			
		  sheets = new ArrayList(oldValue.size() > 0 ? oldValue.size() - 1 : 0 ) ;
			
			boolean success = oldValue.isEmpty() || sheets.addAll(oldValue) ;
	
			if (success)
				success = sheets.remove(sheet) ;
			
			if (success)
				getPropertyChangeSupport().firePropertyChange(SHEETS_PROPERTY, oldValue, this.sheets) ;
			
			return success ;
		}
		else
		{
			return false ;
		}
	}
	
	public final void removeAllFiles()
	{
		List oldValue = sheets ;
		
	  sheets = new ArrayList(0) ;
		
	  getPropertyChangeSupport().firePropertyChange(SHEETS_PROPERTY, oldValue, this.sheets) ;
	}
	
	public final String[] getSheetsAsArray()
	{
		return sheets.toArray(new String[sheets.size()]) ;
	}
}