/******************************************************************************
 * Product: iDempiere ERP & CRM Smart Business Solution                       *
 * Copyright (C) 2012 Trek Global                                             *
 * This program is free software; you can redistribute it and/or modify it    *
 * under the terms version 2 of the GNU General Public License as published   *
 * by the Free Software Foundation. This program is distributed in the hope   *
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.           *
 * See the GNU General Public License for more details.                       *
 * You should have received a copy of the GNU General Public License along    *
 * with this program; if not, write to the Free Software Foundation, Inc.,    *
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
 *****************************************************************************/

package org.adempiere.webui.panel;

import org.adempiere.webui.component.Borderlayout;
import org.adempiere.webui.component.Checkbox;
import org.adempiere.webui.component.Column;
import org.adempiere.webui.component.Columns;
import org.adempiere.webui.component.Grid;
import org.adempiere.webui.component.Row;
import org.adempiere.webui.component.Rows;
import org.adempiere.webui.component.Textbox;
import org.adempiere.webui.component.Window;
import org.adempiere.webui.util.ZKUpdateUtil;
import org.compiere.print.MPrintFormat;
import org.compiere.print.MPrintFormatItem;
import org.compiere.util.KeyNamePair;
import org.compiere.util.Language;
import org.compiere.util.Util;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Center;
import org.zkoss.zul.Div;

/**
 * Panel to select printed print format items 
 */
public class WRC1DisplayFieldsPanel extends WRCTabPanel implements EventListener<Event>
{
	/**
	 * generated serial id
	 */
	private static final long serialVersionUID = -4595966853507636969L;

	private static final int RENDER_IN_COLUMNS=4;
	private MPrintFormat m_printFormat;
	protected Checkbox m_chkboxes[]=null;
	protected Textbox m_textBoxes[]=null;
	protected String m_oldLabel[]=null;

	/**
	 * Default constructor
	 */
	public WRC1DisplayFieldsPanel() {
		super();
	}
	
	/**
	 * @param pf
	 */
	public WRC1DisplayFieldsPanel(MPrintFormat pf){
		super();
		m_printFormat=pf;
	}

	/**
	 * @return print format
	 */
	public MPrintFormat getM_printFormat() {
		return m_printFormat;
	}

	/**
	 * Layout panel
	 */
	public void init() {

		m_chkboxes = new Checkbox[m_pfi.size()];
		m_textBoxes = new Textbox[m_pfi.size()];
		m_oldLabel = new String[m_pfi.size()];
		
		Window wind=new Window();
		ZKUpdateUtil.setWidth(wind, "90%");
		ZKUpdateUtil.setHeight(wind, "100%");
		ZKUpdateUtil.setHflex(wind, "1");
		
		Borderlayout borderlayout = new Borderlayout();
		wind.appendChild(borderlayout);
		ZKUpdateUtil.setHflex(borderlayout, "1");
		Center center = new Center();
		center.setAutoscroll(true);
		borderlayout.appendChild(center);
		
		Grid grid = new Grid();
        //have problem moving the following out as css class
		ZKUpdateUtil.setHflex(grid, "1");
		ZKUpdateUtil.setHeight(grid, "90%");
		ZKUpdateUtil.setVflex(grid, true);
        grid.setStyle("margin:0; padding:0; position: absolute");
        grid.makeNoStrip();
         
        Div div = new Div();
		div.setStyle("width:90%;height:100%;border:none;margin:none;padding:none");
		div.appendChild(grid);
		center.appendChild(div);
		this.appendChild(wind);
		
		Columns columns = new Columns();
    	grid.appendChild(columns);
    	Column cols[] = new Column[2*RENDER_IN_COLUMNS];
    	int width = 100/RENDER_IN_COLUMNS;
    	int widthChk = width/5;
    	int widthTxt = widthChk*4;
		for(int i=0;i<RENDER_IN_COLUMNS;i++){
			cols[i] = new Column();
			ZKUpdateUtil.setWidth(cols[i], widthChk+"%");
	    	columns.appendChild(cols[i]);
	    	cols[i+1] = new Column();
	    	ZKUpdateUtil.setWidth(cols[i+1], widthTxt+"%");
	    	columns.appendChild(cols[i+1]);
		}
		int curCol=0;
		Rows rows = grid.newRows();
		org.zkoss.zul.Row row = null;
		int i=0;
		for (MPrintFormatItem printItem :  m_pfi){
			if(curCol==0){
				row = new Row();
				rows.appendChild(row);
			}
			m_chkboxes[i] = new Checkbox();
			m_chkboxes[i].setChecked(printItem.isPrinted());
			m_chkboxes[i].addEventListener(Events.ON_CHECK,this);
			row.appendChild(m_chkboxes[i]);
			
			m_textBoxes[i] = new Textbox();
			String strValue = printItem.getPrintName(Language.getLoginLanguage()); 
			if(strValue ==null || strValue.length()==0){
				strValue = printItem.getName();
			}
			m_oldLabel[i] = strValue;
			m_textBoxes[i].setText(strValue);
			ZKUpdateUtil.setWidth(m_textBoxes[i], "90%");
			row.appendChild(m_textBoxes[i]);
			
			curCol++;
			i++;
			curCol = curCol%RENDER_IN_COLUMNS;
		}
	}
	
	/**
	 * Save changes
	 */
	public void save(){
		 int i=0;
		 for (MPrintFormatItem item : m_pfi){
			 item.setIsActive(m_chkboxes[i].isChecked());
			 item.setPrintName(Language.getLoginLanguage(), m_textBoxes[i].getText());
			 item.saveEx();
			 i++;
		 }
	}
	
	/**
	 * Get selected print format items
	 * @return [AD_PrintFormatItem_ID, Name]
	 */
	public KeyNamePair[] getChecked(){
		KeyNamePair [] listcheck=new KeyNamePair[m_pfi.size()];
		for(int i=0;i<m_chkboxes.length;i++){
			if(m_chkboxes[i].isChecked()){
			   listcheck[i]= new KeyNamePair(m_pfi.get(i).get_ID(),m_pfi.get(i).getName());
			}
			
		}
		return listcheck;
	}
	
	@Override
	public void refresh() {
		for (int i=0 ; i< m_pfi.size(); i++){			
			m_chkboxes[i].setChecked(m_pfi.get(i).isPrinted());
		}
	}

	@Override
	public void updatePFI() {
		for (int i=0 ;i < m_chkboxes.length ;i++){
			if(m_chkboxes[i].isChecked()){
				m_pfi.get(i).setIsPrinted(true);
			}
			else{
				m_pfi.get(i).setIsPrinted(false);
			}
			String printname = m_textBoxes[i].getValue();
			if (!Util.isEmpty(printname))
				if (! printname.equals(m_pfi.get(i).getPrintName(Language.getLoginLanguage())))
					m_pfi.get(i).setPrintName(Language.getLoginLanguage(), m_textBoxes[i].getValue());
		}
	}
	
	/**
	 * Update IsPrinted with value
	 * @param value
	 */
	public void updatePrinted(boolean value){
		for(int j=0 ; j< m_pfi.size() ; j++){
			m_pfi.get(j).setIsPrinted(value);
			m_chkboxes[j].setChecked(value);
		}
	}

	@Override
	public void onEvent(Event event) throws Exception {
		if (Events.ON_CHECK.equals(event.getName())) {
			wc.setIsChanged(true);
		}
		
	}
}