package org.vectomatic.dom.svg;
   
   /**
    * Class for a CSS value list
    * @author laaglu
    */
   public class OMCSSValueList extends OMCSSValue {
   	protected OMCSSValue[] items;
   	/**
  	 * Constructor
  	 * @param items The items in the value list
  	 */
  	public OMCSSValueList(OMCSSValue[] items, String cssText) {
  		super(CSS_VALUE_LIST);
  		this.items = items;
  		this.cssText = cssText;
  	}
  	
  	/**
  	 * Returns the number of CSSValues in the list. The range of valid 
  	 * values of the indices is 0 to length-1 inclusive.
  	 * @return
  	 * The number of CSSValues in the list.
  	 */
  	public int getLength() {
  		return items != null ? items.length : 0;
  	}
  	/**
  	 * Used to retrieve an {@link OMCSSValue} by ordinal index. 
  	 * The order in this collection represents the order of the values 
  	 * in the CSS style property. If index is greater than or equal to 
  	 * the number of values in the list, this returns null.
  	 * @param index Index into the collection.
  	 * @return an OMCSSValue
  	 */
  	public OMCSSValue getItem(int index) {
  		return (items != null && index >= 0 && index < items.length) ? items[index] : null;
  	}
  
  	@Override
  	public String getDescription() {
  		StringBuilder builder = new StringBuilder("OMCSSValueList(cssValueType=");
  		builder.append(cssValueType);
  		builder.append(", cssText=");
  		builder.append(cssText);
  		builder.append("{");
  		if (items != null) {
  			for (int i = 0; i < items.length; i ++) {
  				if (i > 0) {
  					builder.append(",");
  				}
  				builder.append(items[i].getDescription());
  			}
  		}
  		builder.append("})");
  		return builder.toString();
  	}
  }