package com.taover.easyexcel.analysis.v07.handlers;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;

import com.taover.easyexcel.constant.ExcelXmlConstants;
import com.taover.easyexcel.context.xlsx.XlsxReadContext;
import com.taover.easyexcel.exception.SheetNotSelectedException;

/**
 * Cell Handler
 *
 * @author jipengfei
 */
public class SheetViewHandler extends AbstractXlsxTagHandler {

    @Override
    public void startElement(XlsxReadContext xlsxReadContext, String name, Attributes attributes) throws SAXException {
    	//whether just read selected sheet
    	Boolean readJustSelected = xlsxReadContext.readWorkbookHolder().getReadJustSelected();
    	if(ExcelXmlConstants.SHEET_VIEW_TAG.equals(name) 
    			&& readJustSelected != null 
    			&& readJustSelected 
    			&& !"1".equals(attributes.getValue(ExcelXmlConstants.ATTRIBUTE_TAB_SELECTED))) {
    		throw new SAXException("not selected sheet, just read selected sheet", new SheetNotSelectedException());
    	}
    }

}