package econtract.taglib.customdisplay;

import com.softwareag.xtools.xapplication.jsp.ExceptionContainer;
import com.softwareag.xtools.xapplication.businessdocument.*;

import com.softwareag.xtools.xapplication.jsp.taglib.*;

public class Loop extends LoopTag {

    int mInitialSize = 0;

    public void setInitialsize(String initialSize) {
	mInitialSize = Integer.parseInt(initialSize);
    }

    public int doStartTagCore() throws ExceptionContainer {

	int returnVal = super.doStartTagCore();	
	
	// don't add initial elements if there is an element action
	String elementAction = requestContext.getElementaction();
	if (elementAction !=null && elementAction.length() > 0) 
	    return returnVal;
	    
	Page page = getActivePage();

	if (page instanceof BusinessNodePage) {
	    BusinessNodePage bnp = (BusinessNodePage) page;

	    if (bnp.size() == 0 && mInitialSize > 0) {

		for (int i=0; i < mInitialSize; i++) {
		    bnp.insert(i);
		}

		BusinessDocument doc = sessionContext.getDocument(getDocument());	
		doc.map(bnp.getPageName(), bnp.get(0));
		activateSubPages(0, page); 		
		setEmpty(false);
		return EVAL_BODY_TAG;
	    }
	}
	
	return returnVal;
    }
}