/**
    * Copyright 2010 The Kuali Foundation Licensed under the
    * Educational Community License, Version 2.0 (the "License"); you may
    * not use this file except in compliance with the License. You may
    * obtain a copy of the License at
    *
    * http://www.osedu.org/licenses/ECL-2.0
    *
    * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an "AS IS"
   * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing
   * permissions and limitations under the License.
   */
  
  package org.kuali.student.common.ui.client.widgets.table;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import com.google.gwt.user.client.DOM;
  import com.google.gwt.user.client.Element;
  import com.google.gwt.user.client.ui.Composite;
  import com.google.gwt.user.client.ui.FlexTable;
  import com.google.gwt.user.client.ui.Widget;
  
  public class SimpleWidgetTable extends Composite{
  	private FlexTable simpleTable = new FlexTable();
  	private int rowCount = 0;
  	public List<String> columnList = new ArrayList<String>();
  	
  	private static class TableRow{
  
  		public List<Widget> widgetList = new ArrayList<Widget>();
  		public List<Widget> getWidgetList() {
  			return widgetList;
  		}
  		public void setWidgetList(List<Widget> widgetList) {
  			this.widgetList = widgetList;
  		}
  		public TableRow(List<Widget> widgetList){
  			this.widgetList = widgetList;
  		}
  	}
  
  	public SimpleWidgetTable(List<String> columnNames){
  		Element thead = DOM.createElement("thead");
  		Element tr = DOM.createTR();
  		int columnPercentage = 100/columnNames.size();
  		
  		
  		Element table = simpleTable.getElement();
  		 DOM.appendChild(thead,tr); 
  		 for (String columnName: columnNames) {
  			 Element th = DOM.createTH(); 
  		 	 DOM.appendChild(tr,th);
  			 DOM.setInnerText(th,columnName);
  			 th.setAttribute("width",  columnPercentage + "%");
  		 }
  
  		DOM.insertChild(table,thead,0);
  
  		simpleTable.setWidth("100%");
  		simpleTable.setStyleName("ks-table-plain");
  		this.initWidget(simpleTable);
  		
  	}
  	
  	public void addRow(List<Widget> widgets){
  		int columnNum = 0;
  		TableRow row = new TableRow(widgets);
  		for(Widget w: row.getWidgetList()){
  			simpleTable.setWidget(rowCount, columnNum, w);
  			columnNum++;
  		}
  		rowCount++;
  	}
  	
  	public void clear(){
  		rowCount = 0;
  		for(int i=0; i < simpleTable.getRowCount(); i++){
  			simpleTable.removeRow(i);
  		}
  	}
  }