FileVersionControl.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 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.elephant.impl.context.vc;
 
import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.TreeSet;
import org.turro.string.Strings;
import org.turro.action.Contacts;
import org.turro.elephant.context.IElement;
import org.turro.html.HTMLForm;
import org.turro.i18n.I_;
 
public class FileVersionControl extends TreeSet<FileProperties> {
  
  private IElement iel;
  private int copies, delay;
  
  public FileVersionControl(IElement iel, int copies, int delay) {
    super(new FPComparator());
    this.iel = iel;
    this.copies = copies;
    this.delay = delay;
    fillFiles();
  }
  
  public void renderVersions() throws IOException {
    renderVersions(null, null);
  }
  
  public void renderVersions(String tableAttr, String formAttr) throws IOException {
    Date today = new Date();
    HTMLForm hf = new HTMLForm(iel);
    if(Strings.isBlank(tableAttr)) {
      hf.startTag("div", "id='control-version'");
    }
    if(Strings.isBlank(formAttr)) {
      hf.startForm("vc" + iel.getId(), "POST", "context");
    } else {
      hf.startForm("vc" + iel.getId(), "POST", "context", formAttr);
    }
    hf.startTable(Strings.isBlank(tableAttr) ? "" : tableAttr);
    boolean doCommand = false;
    for(FileProperties fp : this) {
      if(fp.isWiki()) {
        hf.startTableCol("");
        hf.doTag("span", "class='file-version'");
        hf.endTableCol();
        hf.startTableCol("");
        if(!fp.isLastEntry() && 
                (iel.getConstructor().isInRole("control-version:admin") || 
                  (iel.getConstructor().isInRole("control-version:editor") && 
                    iel.getConstructor().getUser().isThisUser(fp.getAuthor()))
                )) {
          hf.checkBox(fp.getFullName(), "true", "", (today.getTime() - (1000L * 60L * 60L * 3)) < fp.getModification().getTime()) ;
          doCommand = true;
        }
        hf.endTableCol();
        hf.startTableCol("");
        hf.write(I_.byKey(fp.getLang()));
        hf.endTableCol();
        hf.startTableCol("");
        hf.writeDate(fp.getModification(), "short_date_time");
        hf.endTableCol();
        hf.startTableCol("");
        hf.write(Contacts.getContactById(fp.getAuthor()).getName());
        hf.endTableCol();
        hf.endTableRow();
      }
    }
    if(doCommand) {
      hf.startTableCol("colspan='10'");
      hf.command("remove-files", I_.get("Remove selected"), "", "javascript:return confirm('" + I_.get("Ready to delete selection?") + "')");
      hf.endTableCol();
      hf.endTableRow();
    }
    hf.endTable();
    hf.endForm();
    hf.endAllTags();
  }
  
  public void removeFiles() {
    File files[] = iel.getContext().getFile().listFiles();
    for(int i = 0; i < files.length; i++) {
      if(files[i].isFile() && "true".equals(iel.getConstructor().getParameter(files[i].getName()))) {
        files[i].delete();
      }
    }
  }
 
  private void fillFiles() {
    File files[] = iel.getContext().getFile().listFiles();
    for(int i = 0; i < files.length; i++) {
      if(files[i].isFile() && files[i].getName().endsWith(".wiki")) {
        add(new FileProperties(files[i]));
      }
    }
    String name = "", lang = "";
    FileProperties lastFp = null;
    for(FileProperties fp : this) {
      if(fp.isWiki()) {
        if(!name.equals(fp.getName()) || !lang.equals(fp.getLang())) {
          if(lastFp != null) lastFp.setLastEntry(true);
        }
        name = fp.getName();
        lang = fp.getLang();
        lastFp = fp;
      }
    }
    if(lastFp != null) lastFp.setLastEntry(true);
  }
 
}