WorksheetGrid.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2015 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.dossier.zul.worksheet;
 
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import org.turro.dossier.db.DossierPU;
import org.turro.dossier.dossier.DossierData;
import org.turro.dossier.entity.Issue;
import org.turro.dossier.entity.Worksheet;
import org.turro.dossier.issue.IssueWrapper;
import org.turro.dossier.search.IssueResults;
import org.turro.dossier.util.WorksheetUtil;
import org.turro.dossier.zul.menu.DossierMenu;
import org.turro.elephant.context.Application;
import org.turro.i18n.I_;
import org.turro.plugin.contacts.IContact;
import org.turro.zkoss.grid.PagingGrid;
import org.turro.zkoss.label.LabelExtended;
import org.zkoss.lang.Strings;
import org.zkoss.zk.ui.event.DropEvent;
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.Column;
import org.zkoss.zul.Columns;
import org.zkoss.zul.Hlayout;
import org.zkoss.zul.Image;
import org.zkoss.zul.Label;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.Row;
import org.zkoss.zul.RowRenderer;
import org.zkoss.zul.Vlayout;
 
public class WorksheetGrid extends PagingGrid {
  
  private boolean needSave;
  private final Application app;
  private ListModelList<Worksheet> worksheetModel;
 
  public WorksheetGrid() {
    app = Application.getApplication();
    addColumns();
  }
 
  public boolean isNeedSave() {
    return needSave;
  }
 
  public void setNeedSave(boolean needSave) {
    this.needSave = needSave;
  }
 
  public ListModelList<Worksheet> getWorksheetModel() {
    return worksheetModel;
  }
 
  public void setValues(IContact contact) {
    needSave = false;
    if(contact.isValid()) {
      List<Worksheet> list = (List<Worksheet>) WorksheetUtil.getWorksheet(contact.getId());
      WorksheetUtil.clearDone(list, contact);
      if(list.isEmpty()) {
        IssueResults results = new IssueResults();
        results.setByParticipant(contact);
        results.setDossierId(0L);
        int order = 0;
        for(IssueWrapper iw : results.getIssueList()) {
          if(iw.getRelevanceOrderByContact() == 1) {
            Worksheet ws = new Worksheet();
            ws.setIdContact(contact.getId());
            ws.setIssue(iw.getIssue());
            ws.setSheetOrder(order++);
            list.add(ws);
          }
        }
        needSave = true;
      }
      addRows(list);
    } else {
      addRows(new ArrayList<Worksheet>());
    }
  }
  
  public void addValue(IContact contact, IssueWrapper iw) {
    if(contact.isValid()) {
      ListModelList list = getWorksheetModel();
      if(iw.getRelevanceOrderByContact() == 1) {
        Worksheet ws = new Worksheet();
        ws.setIdContact(contact.getId());
        ws.setIssue(iw.getIssue());
        ws.setSheetOrder(list.getSize());
        list.add(ws);
      }
      needSave = true;
    }
  }
  
  public Collection<IssueWrapper> getNotInGrid(IContact contact) {
    ArrayList<IssueWrapper> list = new ArrayList<>();
    if(contact.isValid()) {
      IssueResults results = new IssueResults();
      results.setByParticipant(contact);
      results.setDossierId(0L);
      for(IssueWrapper iw : results.getIssueList()) {
        if(iw.getRelevanceOrderByContact() == 1) {
          boolean exists = false;
          for(Worksheet worksheet : getWorksheetModel()) {
            if(Objects.equals(worksheet.getIssue().getId(), iw.getIssue().getId())) {
              exists = true;
              break;
            }
          }
          if(!exists) {
            list.add(iw);
          }
        }
      }
    }
    return list;
  }
  
  private void addColumns() {
    Columns cols = new Columns();
    cols.setSizable(true);
    cols.setMenupopup("auto");
    appendChild(cols);
 
    Column col = new Column("#");
    col.setWidth("80px");
    cols.appendChild(col);
    col = new Column(I_.get("Description"));
    col.setHflex("3");
    cols.appendChild(col);
    col = new Column(I_.get("Reporter"));
    col.setHflex("1");
    cols.appendChild(col);
    if(app.isInRole("worksheet:delete")) {
      col = new Column();
      col.setWidth("30px");
      cols.appendChild(col);
    }
  }
 
  private void addRows(List<Worksheet> workSheets) {
    setRowRenderer(new RowRenderer<Worksheet>() {
      @Override
      public void render(Row row, Worksheet workSheet, int index) {
        fillRow(row, workSheet);
      }
    });
    worksheetModel = new ListModelList<>(workSheets);
    setModel(worksheetModel);
    setRowCount(workSheets.size());
  }
 
  private void fillRow(final Row row, final Worksheet worksheet) {
    row.setDraggable("row");
    row.setDroppable("row");
    final Issue issue = worksheet.getIssue();
    final IssueWrapper iw = new IssueWrapper(issue);
    DossierData dd = iw.getData();
    row.appendChild(new Label(issue.getId() + ""));
    Vlayout vbox = new Vlayout();
    row.appendChild(vbox);
    LabelExtended lext = new LabelExtended();
    lext.setSclass("issue");
    lext.setMultiline(true);
    lext.setValue(Strings.isEmpty(issue.getDescription()) ?
      I_.get("No description!") : issue.getDescription());
    if(app.isInRole("issue:show")) {
      lext.setStyle("cursor:pointer");
      lext.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          DossierMenu.showIssue(issue.getId());
        }
      });
    }
    vbox.appendChild(lext);
    vbox.appendChild(new Label(issue.getDossier().getFullDescription()));
    if(dd.isExpenses()) {
      Hlayout hbox = new Hlayout();
      Label label = new Label(I_.get("Expenses"));
      label.setStyle("color:navy;font-size:11px");
      hbox.appendChild(label);
      label = new Label(dd.getExpensesString());
      label.setStyle("color:#666;font-size:11px");
      hbox.appendChild(label);
      vbox.appendChild(hbox);
    }
    if(dd.isHours()) {
      Hlayout hbox = new Hlayout();
      Label label = new Label(I_.get("Hours"));
      label.setStyle("color:navy;font-size:11px");
      hbox.appendChild(label);
      label = new Label(dd.getHoursString());
      label.setStyle("color:#666;font-size:11px");
      hbox.appendChild(label);
      vbox.appendChild(hbox);
    }
    if(dd.isPrice()) {
      Hlayout hbox = new Hlayout();
      Label label = new Label(I_.get("Price"));
      label.setStyle("color:navy;font-size:11px");
      hbox.appendChild(label);
      label = new Label(dd.getPriceString());
      label.setStyle("color:#666;font-size:11px");
      hbox.appendChild(label);
      vbox.appendChild(hbox);
    }
    row.appendChild(new Label(iw.getReporterString()));
    if(app.isInRole("worksheet:delete")) {
      Image img = new Image("/_zul/images/edit-delete.png");
      img.setStyle("cursor:pointer");
      img.addEventListener(Events.ON_CLICK, new EventListener() {
        @Override
        public void onEvent(Event event) throws Exception {
          Worksheet ws = worksheetModel.get(row.getIndex());
          worksheetModel.remove(row.getIndex());
          if(ws.getId() != null && ws.getId() > 0) {
            new DossierPU().deleteObject(ws);
          }
        }
      });
      row.appendChild(img);
    }
    
    // Drag and Drop
 
    row.addEventListener(Events.ON_DROP, new EventListener<DropEvent>() {
      @Override
      public void onEvent(DropEvent event) throws Exception {
        Row dragged = (Row) event.getDragged();
        Row dropped = (Row) event.getTarget();
        Worksheet ws = worksheetModel.get(dragged.getIndex());
        worksheetModel.remove(dragged.getIndex());
        worksheetModel.add(dropped.getIndex(), ws);
        updateOrderValues();
        needSave = true;
        Events.postEvent(new Event(Events.ON_CHANGE, WorksheetGrid.this));
      }
    });
  }
 
  private void updateOrderValues() {
    Iterator<Worksheet> it = worksheetModel.iterator();
    int index = 1;
    while(it.hasNext()) {
      it.next().setSheetOrder(index++);      
    }
  }
  
}