/*
 * Created on 31/03/2005
 */
package DMS;

import org.w3c.dom.Node;
import java.util.Vector;

/**
 * @author mtayler
 */
public class columnList {

	private Vector columnArray;
	private Vector hiddenColumnArray;
	private Vector visibleColumnArray;

	public columnList(Node root) {
		columnArray = new Vector();
		hiddenColumnArray = new Vector();
		visibleColumnArray = new Vector();
		
		parseRoot(root);		
	}
	
	private void parseRoot(Node root) {
		Vector dsVector = XMLParser.findNodeList(root,"column");
		
		for (int i=0;i<dsVector.size();i++) {
			Node node=(Node)dsVector.get(i);			
			columnItem column = new columnItem(node);
			columnArray.add(column);
			
			if (column.isHideField()) hiddenColumnArray.add(column);
			else visibleColumnArray.add(column);			
		}
			
	}
	
	public String[] getColumnNames(columnItem[] cols) {
		Vector colNames = new Vector();
		for (int i=0;i<columnArray.size();i++) 
			colNames.add(cols[i].getName());
		
		return (String[])colNames.toArray(new String[0]);
	}

	public String[] getColumnNames() {
		return getColumnNames(getColumns());
	}
	
	public String[] getHiddenColumnNames() {
		return getColumnNames(getHiddenColumns());
	}

	public String[] getVisibleColumnNames() {
		return getColumnNames(getVisibleColumns());		
	}
	
	public columnItem[] getColumns() {
		return (columnItem[])columnArray.toArray(new columnItem[0]);
	}	

	public columnItem[] getHiddenColumns() {
		return (columnItem[])hiddenColumnArray.toArray(new columnItem[0]);
	}	

	public columnItem[] getVisibleColumns() {
		return (columnItem[])visibleColumnArray.toArray(new columnItem[0]);
	}	
		
	public columnItem getColumnByName(String name) {
		String[] cols = getColumnNames();
		
		for (int i=0;i<cols.length;i++) {
			if (cols[i]!=null && cols[i].equals(name)) {
				return (columnItem)columnArray.get(i);
			}
		}		
		return null;
	}
		
	public boolean hasHiddenColumns() {	
		return hiddenColumnArray.size()>0;
	}	


}