class FolderItem extends FileItem implements MapModel {
  MapLayout algorithm = new PivotBySplitSize(  );
  Mappable[] items;
  boolean contentsVisible;
  boolean layoutValid;


  public FolderItem(FolderItem parent, File folder, int level, int order) {
    super(parent, folder, level, order);

    String[] contents = folder.list(  );
    if (contents != null) {
      contents = sort(contents);
      items = new Mappable[contents.length];
      int count = 0;
      for (int i = 0; i < contents.length; i++) {
        if (contents[i].equals(".") || contents[i].equals("..")) {
          continue;
        }
        File fileItem = new File(folder, contents[i]);
        try {
          String absolutePath = fileItem.getAbsolutePath(  );
          String canonicalPath = fileItem.getCanonicalPath(  );
          if (!absolutePath.equals(canonicalPath)) {
            continue;
          }
        } 
        catch (IOException e) { 
        }

        FileItem newItem = null;
        if (fileItem.isDirectory(  )) {
          newItem = new FolderItem(this, fileItem, level+1, count);
        } 
        else {
          newItem = new FileItem(this, fileItem, level+1, count);
        }
        items[count++] = newItem;
        size += newItem.getSize(  );
      }
      if (count != items.length) {
        items = (Mappable[]) subset(items, 0, count);
      }
    } 
    else {
      // If no items found in this folder, create a dummy array so that
      // items will not be null, which will ensure that items.length will
      // return 0 rather than causing a NullPointerException.
      items = new Mappable[0];
    }
  }

  void checkLayout(  ) {
    if (!layoutValid) {
      if (getItemCount(  ) != 0) {
        algorithm.layout(this, bounds);
      }
      layoutValid = true;
    }
  }

  void draw(  ) {
    checkLayout(  );
    calcBox(  );
    if (contentsVisible) {
      for (int i = 0; i < items.length; i++) {
        items[i].draw(  );
      }
    } 
    else {
      super.draw(  );
    }
  }

  void drawTitle() {
    if(contentsVisible==false) {
      super.drawTitle();
    }
  }

  Mappable[] getItems(  ) {
    return items;
  }

  void showContents(  ) {
    contentsVisible = true;
  }

  void hideContents(  ) {
    // Prevent the user from closing the root level.
    if (parent != null) {
      contentsVisible = false;
    }
  }

  boolean mousePressed() {
    print(mouseX);
    print(mouseY);
    if(mouseInside()) {
      print("inside ");
      println(name);
      if(contentsVisible) {
        for (int i = 0; i < items.length; i++) {
          super.mousePressed();
        }
      } 
      else {
        if(mouseButton==LEFT)
          showContents();
        if(mouseButton==RIGHT) {
          hideContents();
          parent.hideContents();
          return true;
        }
      }
    }
    return false;
  }

  int getItemCount(  ) {
    return items.length;
  }
}