elephant-attach/src/main/java/org/turro/file/zul/repository/RepositoryItem.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2018 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.file.zul.repository;
 
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import org.turro.string.Strings;
import org.turro.collections.CollectionUtil;
import org.turro.command.Command;
import org.turro.command.Context;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.impl.util.StringParser;
import org.turro.entities.Entities;
import org.turro.file.Document;
import org.turro.file.Folder;
import org.turro.file.zul.control.FileResults;
import org.turro.i18n.I_;
import org.turro.path.Path;
import org.turro.upload.Medias;
import org.turro.zkoss.dialog.InputDialog;
import org.turro.zkoss.dialog.InputField;
import org.turro.zkoss.text.RepositoriesTree;
import org.turro.zkoss.text.RepositoryFilter;
import org.zkoss.util.media.Media;
import org.zkoss.zk.ui.HtmlBasedComponent;
import org.zkoss.zul.Textbox;
import org.zkoss.zul.Treechildren;
import org.zkoss.zul.Treeitem;
 
public class RepositoryItem extends Treeitem {
 
  private final File file;
  private final String path;
  
  public RepositoryItem(File file, String name, String path) {
    super(name);
    this.file = file;
    this.path = path;
    if(doProcessors(file)) {
      setOpen(false);
      fillFolder();
    }
  }
  
  public File getRepositoryFile() {
    return new File(file, path);
  }
  
  public boolean isFolder(String folder) {
    return ElephantContext.getRelativePath(file.getAbsolutePath()).equals(folder);
  }
 
  public RepositoryItem getParentFolder() {
    return (RepositoryItem) getParentItem();
  }
 
  public Collection<RepositoryItem> getFileFolders() {
    reloadContents();
    Treechildren children = getTreechildren();
    return children != null ? CollectionUtil.from(children.getChildren()).<Collection<RepositoryItem>>cast() : new ArrayList<>();
  }
  
  public void reloadContents() {
    Treechildren children = getTreechildren();
    if(children != null) {
      children.getChildren().clear();
      fillFolder();
    }
  }
 
  @Override
  public RepositoryTree getTree() {
    return (RepositoryTree) super.getTree();
  }
 
  public File getRealFolder() {
    return getRealFolder(false);
  }
  
  public File getRealFolder(boolean create) {
    File folder = getRepositoryFile();
    if(!folder.exists()) {
      folder.mkdirs();
    }
    return folder;
  }
 
  public Collection<File> getFilesFrom(File folder) {
    FileResults fr = getTree().getResults();
    return fr.getFileList(folder);
  }
 
  public Collection<File> getFiles() {
    File folder = getRealFolder(true);
    FileResults fr = getTree().getResults();
    return fr.getFiles(folder);
  }
  
  public String getPath() {
    return path;
  }
 
  public void addMedias(Media[] medias) throws InterruptedException, IOException {
    if(medias == null || medias.length == 0) return;
    fillFolder();
    setOpen(true);
    for(Media media : medias) {
      Medias.toFolder(media, getRealFolder());
    }
    reloadContents();
  }
  
  public void doAddFolder() throws InterruptedException {
    InputDialog.getInput(
            getPage(),
            I_.get("Folder"),
            new InputField[] {
              new InputField("Name", "", null, 0) {
                @Override
                protected HtmlBasedComponent createEditor() {
                  return new Textbox();
                }
              }
            }, new Command() {
      @Override
      public Object execute(Context context) {
        InputField[] fields = (InputField[]) context.get("fields");
        if(fields.length > 0) {
          for(InputField f : fields) {
            if("Name".equals(f.getLabel())) {
              fillFolder();
              RepositoryItem af = RepositoryItem.this;
              for(String s : ((String) f.getValue()).split("\\/")) {
                if(!Strings.isBlank(s)) {
                  af.setOpen(true);
                  af = af.addFolder(s, s);
                }
              }
            }
          }
        }
        return null;
      }
    });
  }
 
  public RepositoryItem addFolder(String label, String path) {
    File folder = new File(file, path);
    folder.mkdir();
    RepositoryItem af = new RepositoryItem(folder, label, "");
    checkChildren().appendChild(af);
    return af;
  }
 
  private void fillFolder() {
    if(!Strings.isBlank(path)) { // Add also repository subfolders
      File repositoryFile = getRepositoryFile();
      if(repositoryFile.exists()) {
        for(File child : repositoryFile.listFiles(new RepositoryFilter(""))) {
          checkChildren().appendChild(new RepositoryItem(child, child.getName(), ""));
        }
      }
    }
    if(file.exists()) {
      for(File child : file.listFiles(new RepositoryFilter(path))) {
        checkChildren().appendChild(new RepositoryItem(child, child.getName(), path));
      }
    }
  }
 
  private boolean doProcessors(File file) {
    if(RepositoriesTree.isPublishable(file)) {
      if(Folder.from(file).removeEmpties()) {
        RepositoryItem.this.detach();
        return false;
      } else {
        Path p = new Path(RepositoriesTree.getEntityPath(file));
        if(p.getSize() > 0 && p.getSize() < 3) {
          String str = Entities.getController(p.getPath()).getTreeLabel();
          if(str != null) {
            setLabel(StringParser.cutString(str, 50));
            setTooltiptext(str);
          } else if(p.getSize() == 2) {
            Document.from(file).delete();
            RepositoryItem.this.detach();
            return false;
          }
        }
      }
    }
    return true;
  }
 
  private Treechildren checkChildren() {
    Treechildren children = getTreechildren();
    if(children == null) {
      children = new Treechildren();
      appendChild(children);
    }
    return children;
  }
 
}