package com.vci.client.ui.swing.components.table;

/**
 * 
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2012</p>
 * <p>Company: VCI</p>
 * @author xchao
 * @time 2012-5-10
 * @version 1.0
 */
public abstract class AbstractVCIJTableDataProvider<T> implements VCIJTableDataProvider<T> {
	protected String[] columns = null;
	protected Class<?>[] classes = null;
	protected int total = 0;
	protected String fixedColumn = "ChcekBox,序号";
	protected int dataColumnStartIndex = fixedColumn.split(",").length;
	
	public String[] getColumns() {
		if(this.columns != null) return this.columns;
		String[] fixColumns = fixedColumn.split(",");
		String[] specColumns = getSpecialColumns();
		int len = fixColumns.length + specColumns.length;
		this.columns = new String[len];
		for(int i = 0; i < len; i++){
			if(i < fixColumns.length){
				this.columns[i] = fixColumns[i];
			} else{
				this.columns[i] = specColumns[i - fixColumns.length];
			}
		}
		return this.columns;
	}
	
	public Class<?>[] getClasses() {
		this.classes = new Class<?>[this.getColumns().length];
		classes[0] = Boolean.class;
		for (int i = 1; i < classes.length; i++) {
			classes[i] = this.getColumns()[i].getClass();
		}
		return this.classes;
	}

	public int getDataColumnStartIndex() {
		return dataColumnStartIndex;
	}
	
}