BudgetGrid.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2012 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.erp.reference;
 
import java.util.Iterator;
import org.turro.command.Command;
import org.turro.command.Context;
import org.turro.elephant.context.Application;
import org.turro.elephant.util.DecimalFormats;
import org.turro.elephant.util.Images;
import org.turro.elephant.util.ZkossUtils;
import org.turro.erp.entity.Breakdown;
import org.turro.erp.entity.Budget;
import org.turro.erp.entity.OrderReference;
import org.turro.erp.entity.WorkOrder;
import org.turro.erp.workorder.BreakdownSet;
import org.turro.zkoss.grid.PagingGrid;
import org.turro.zkoss.layout.GridLayout;
import org.zkoss.lang.Strings;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zk.ui.ext.AfterCompose;
import org.zkoss.zul.*;
 
public class BudgetGrid extends PagingGrid implements AfterCompose {
 
  private WorkOrder workOrder;
  private Long number = 1L;
 
  public void setWorkOrder(WorkOrder workOrder) {
    this.workOrder = workOrder;
  }
  
  public void setBudget(Object selnumber) {
    Long select = (Long) selnumber;
    if(select == -1) {
      deleteBudget();
    } else if(select == 0) {
      this.number = workOrder.getNextBudgetNumber();
      for(OrderReference or : workOrder.getOrderReferences()) {
        if(!or.isEmpty()) {
          Budget b = new Budget();
          b.initFrom(or, this.number);
          or.getBudgets().add(b);
        }
      }
    } else {
      this.number = select;
    }
    refresh();
  }
  
  public void refresh() {
    addColumns();
    addRows();
  }
  
  @Override
  public void afterCompose() {
    addColumns();
    addRows();
  }
 
  private void addRows() {
    Application app = Application.getApplication();
 
    int fractionDigits = workOrder.getContract() != null ? 
            workOrder.getContract().getCurrency().getDefaultFractionDigits() :
            2;
    
    Rows rows = getRows(true);
    appendChild(rows);
    rows.getChildren().clear();
 
    for(final OrderReference or : workOrder.getOrderReferences()) {
      if(!or.isEmpty()) {
        for(Budget b : or.getBudgets()) {
          if(b.getBudgetNumber() != number) continue;
          
          Row row = new Row();
          row.setSclass("textCaption3");
          rows.appendChild(row);
 
          row.appendChild(new Label(b.getBudgetNumber() + ""));
          row.appendChild(new Label(DecimalFormats.format(b.getUnits(), DecimalFormats.getStringFormat(3))));
          Vlayout vbox = new Vlayout();
          row.appendChild(vbox);
          vbox.appendChild(new Label(b.getDescription()));
          if(!b.getBreakdowns().isEmpty()) {
            GridLayout gl = new GridLayout("right-40px,300px,right-60px,right-60px");
            gl.setSclass(gl.getSclass() + " textSubCaption3");
            vbox.appendChild(gl);
            for(Breakdown bd : new BreakdownSet(b.getBreakdowns())) {
              if(!Strings.isBlank(bd.getDescription())) {
                gl.addRow();
                if(bd.getQuantity() == null || bd.getQuantity() == 0.0d) {
                  gl.addSpace();
                } else {
                  gl.addComponent(new Label(DecimalFormats.format(bd.getQuantity(), DecimalFormats.getStringFormat(3))));
                }
                gl.addComponent(new Label(bd.getDescription()));
                if(bd.getPrice() == null || bd.getPrice() == 0.0d) {
                  gl.addSpace();
                  gl.addSpace();
                } else {
                  gl.addComponent(new Label(DecimalFormats.format(bd.getPrice(), DecimalFormats.getStringFormat(fractionDigits))));
                  gl.addComponent(new Label(DecimalFormats.format(bd.getAmount(), DecimalFormats.getStringFormat(fractionDigits))));
                }
              }
            }
          }
          row.appendChild(new Label(DecimalFormats.format(b.getPrice(), DecimalFormats.getStringFormat(fractionDigits))));
          row.appendChild(getActions(b));
        }
      }      
    }
 
    setRowCount(rows.getChildren().size());
  }
 
  private void addColumns() {
    Columns cols = getColumns(true);
    appendChild(cols);
    cols.getChildren().clear();
 
    Column col = new Column("#", null, "60px");
    cols.appendChild(col);
 
    col = new Column(Application.getString("lQuantity"), null, "90px");
    col.setAlign("right");
    cols.appendChild(col);
    
    col = new Column(Application.getString("lDescription"));
    col.setHflex("1");
    cols.appendChild(col);
 
    col = new Column(Application.getString("lPrice"), null, "120px");
    col.setAlign("right");
    cols.appendChild(col);    
 
    col = new Column(null, null, "400px");
    cols.appendChild(col);    
  }
 
  private void deleteBudget() {
    ZkossUtils.confirmDeletion(Application.getString("lBudget") + ": " + number, new Command() {
      @Override
      public Object execute(Context context) {
        for(final OrderReference or : workOrder.getOrderReferences()) {
          if(!or.isEmpty()) {
            Iterator<Budget> itb = or.getBudgets().iterator();
            while(itb.hasNext()) {
              Budget b = itb.next();
              if(b.getBudgetNumber() == number) {
                itb.remove();
                b.setOrderReference(null);
              }
            }
          }
        }
        return null;
      }
    });
  }
 
  private Component getActions(final Budget b) {
    Hlayout hbox = new Hlayout();
    if(b.isAccepted()) {
      hbox.appendChild(new Image(Images.getImage("ok")));
      hbox.appendChild(new Label(Application.getString("lAccepted")));
    } else if(b.isRefused()) {
      hbox.appendChild(new Image(Images.getImage("cancel")));
      hbox.appendChild(new Label(Application.getString("lRefused")));
    } else if(b.isDelivered()) {
      hbox.appendChild(new Label(Application.getString("lDelivered")));
      hbox.appendChild(new Image(Images.getImage("forward")));
      Toolbarbutton accept = new Toolbarbutton(Application.getString("lAccepted"), Images.getImage("ok"));
      accept.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          b.setDelivered(true);
          b.setAccepted(true);
          b.setRefused(false);
          refresh();
        }
      });
      hbox.appendChild(accept);
      Toolbarbutton refused = new Toolbarbutton(Application.getString("lRefused"), Images.getImage("cancel"));
      refused.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          b.setDelivered(true);
          b.setAccepted(false);
          b.setRefused(true);
          refresh();
        }
      });
      hbox.appendChild(refused);
    } else {
      hbox.appendChild(new Label(Application.getString("lPending")));
      hbox.appendChild(new Image(Images.getImage("forward")));
      Toolbarbutton delivered = new Toolbarbutton(Application.getString("lDelivered"), Images.getImage("mail_send"));
      delivered.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          b.setDelivered(true);
          b.setAccepted(false);
          b.setRefused(false);
          refresh();
        }
      });
      hbox.appendChild(delivered);
    }
    return hbox;
  }
 
}