Table.java

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package com.venky.swf.views.controls.page.layout;

import java.util.ArrayList;
import java.util.List;

import com.venky.swf.views.controls.Control;
import com.venky.swf.views.controls._IControl;

/**
 *
 * @author venky
 */
public class Table extends Control{
    /**
	 * 
	 */
	private static final long serialVersionUID = -8320529919141642063L;

	public Table(){
        super("table");
        thead = new THead();
        addControl(thead);
        tbody = new TBody();
        addControl(tbody);
    }
    
    private THead thead = null;
    private TBody tbody = null; 
    
    public Row createRow(){
        Row row = new Row(false);
        tbody.addControl(row);
        return row;
    }
    
    public Row lastRow(){
    	if (tbody.getContainedControls().isEmpty()){
    		createRow();
    	}
    	List<_IControl> rows = tbody.getContainedControls();
    	
    	return (Row)rows.get(rows.size()-1);
    }
    public Row firstRow(){ 
    	if (tbody.getContainedControls().isEmpty()){
    		createRow();
    	}
    	List<_IControl> rows = tbody.getContainedControls();
    	return (Row)rows.get(0);
    }
    
    public Row createHeader(){
        Row header = new Row(true);
        thead.addControl(header);
        return header;
    }
    
    public static class Row extends Control {
        /**
		 * 
		 */
		private static final long serialVersionUID = -1533010544159177644L;
		private boolean header = false;
        public Row(boolean header){
            this("tr");
            this.header = header;
        }
        protected Row(String tag){
            super(tag);
        }
        
        private int colspanConsumed = 0;
        public Column createColumn(int colspan){
            Column c = new Column(header); 
            addControl(c);
            if (colspan > 1){
                colspanConsumed += colspan;
                c.setColspan(colspan);
            }else {
                colspanConsumed ++;
            }
            
            return c;
        }

        public Column createColumn(){
            return createColumn(1);
        }
        
        public int numColumns(){
            return colspanConsumed;
        }
        
        public Column getLastColumn(){
            List<_IControl> controls = getContainedControls();
            if (controls.isEmpty()){
                return createColumn();
            }else {
                return (Column)controls.get(controls.size()-1);
            }
        }

        @Override
        public void addControl(_IControl control) {
            if (control instanceof Column){
                super.addControl(control);
            }else {
                throw new RuntimeException("Cannot add controls other than Column in a Row Control");
            }
        }
        
    }
    
    public static class Column extends Control { 
        /**
		 * 
		 */
		private static final long serialVersionUID = 5129265444512744726L;

		public Column(boolean heading){
            super(heading ? "th" : "td");
        }
		
		public void setColspan(int colspan){
			setProperty("colspan", colspan);
		}
    }
    public static class THead extends Control {
		/**
		 * 
		 */
		private static final long serialVersionUID = 8394578245101372033L;

		public THead() {
			super("thead");
		}
    }
    public static class TBody extends Control {
		/**
		 * 
		 */
		private static final long serialVersionUID = -2924807882107711385L;

		public TBody() {
			super("tbody");
		}
    }
	public void removeColumn(int index) {
		List<Row> rows = new ArrayList<Row>();
		hunt(this,Row.class,rows);
		for (Row row: rows){
			row.removeContainedControlAt(index);
		}
	}
	
	
    

}