FilesItem.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2014 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.configuration;
 
import java.io.File;
import java.util.Arrays;
import java.util.Comparator;
import org.amic.util.file.FileUtil;
import org.turro.string.Strings;
import org.turro.elephant.context.ElephantContext;
import org.turro.util.CompareUtil;
import org.zkoss.zul.Treecell;
import org.zkoss.zul.Treechildren;
import org.zkoss.zul.Treeitem;
import org.zkoss.zul.Treerow;
 
public class FilesItem extends Treeitem {
 
  private final String label, pattern;
  private boolean dynamicLoad;
  
  public FilesItem(File file, String label, String pattern) {
    this(file, label, pattern, false);
  }
  
  public FilesItem(File file, String label, String pattern, boolean dynamicLoad) {
    this.label = Strings.isBlank(label) ? file.getName() : label;
    this.pattern = pattern;
    this.dynamicLoad = dynamicLoad;
    setValue(file);
    initiate();
  }
 
  public boolean isDynamicLoad() {
    return dynamicLoad;
  }
  
  public void addFile(FilesItem file) {
    if(!isContainer()) {
      appendChild(new Treechildren());
    }
    getTreechildren().appendChild(file);
  }
  
  @Override
  public FilesTree getTree() {
    return (FilesTree) super.getTree();
  }
 
  public File getCurrentFile() {
    return getValue();
  }
 
  public void refresh() {
    getTreechildren().getChildren().clear();
    fillChildren();
  }
  
  private void initiate() {
    if(getCurrentFile() == null) {
      addCells();
      setOpen(false);
    } else if(!getCurrentFile().exists() || getCurrentFile().isFile()) {
      addCells();
    } else if(getCurrentFile().isDirectory()) {
      addCells();
      fillChildren();
      setOpen(false);
    }
  }
 
  private void fillChildren() {
    File file = getCurrentFile();
    File[] sortedFiles = file.listFiles();
    Arrays.sort(sortedFiles, new Comparator<File>() {
      @Override
      public int compare(File o1, File o2) {
        return CompareUtil.compare(o1.getName(), o2.getName());
      }
    });
    if(getTreechildren() == null) {
      Treechildren children = new Treechildren();
      appendChild(children);
    }
    for(File f : sortedFiles) {
      if(pattern == null || (f.isFile() && f.getName().matches(pattern))) {
        getTreechildren().appendChild(new FilesItem(f, null, pattern, f.getAbsolutePath().contains("templates")));
      }
    }
  }
  
  private void addCells() {
    Treerow row = new Treerow();
    appendChild(row);
    Treecell cell = new Treecell(label);
    row.appendChild(cell);
    setImage(getMimeImage());
  }
 
  private String getMimeImage() {
    if(getValue() == null || !new File(ElephantContext.getRealPath("/_internal/system/mime/" + FileUtil.getExtension((File) getValue()) + ".png")).exists()) {
      return "/_internal/system/mime/empty.png";
    } else {
      return "/_internal/system/mime/" + FileUtil.getExtension((File) getValue()) + ".png";
    }
  }
 
}