/*
 * Copyright (c) 2009 Max-Planck-Gesellschaft, Martin Hewitson <martin.hewitson at aei.mpg.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package mpipeline.pipelinelist;

import java.util.Iterator;
import javax.swing.ImageIcon;
import javax.swing.JTree;
import javax.swing.ToolTipManager;
import javax.swing.tree.DefaultTreeCellRenderer;
import mpipeline.canvas.BlockDiagram;
import mpipeline.main.MainWindow;

/**
 * A subclass of JTree which implements only a constructor to gather together
 * various settings and behaviours.
 * 
 * @author hewitson
 */
public class PipelineListTree extends JTree {

  private MainWindow mw = null;

  /**
   * Empty constructor.
   * @param mw
   */
  public PipelineListTree(MainWindow mw) {

    super();

    this.mw = mw;

    DefaultTreeCellRenderer renderer = new PipelineListTreeRenderer();

    ImageIcon closedIcon = new ImageIcon(getClass().getResource("/mpipeline/icons/pipeline_icon_16x16.png"));
    if (closedIcon != null) {
      renderer.setClosedIcon(closedIcon);
    }

    ImageIcon openIcon = new ImageIcon(getClass().getResource("/mpipeline/icons/pipeline_icon_16x16.png"));
    if (openIcon != null) {
      renderer.setOpenIcon(openIcon);
    }

    ImageIcon leafIcon = new ImageIcon(getClass().getResource("/mpipeline/icons/pipeline_icon_16x16.png"));
    if (leafIcon != null) {
      renderer.setLeafIcon(leafIcon);
    }

    this.setCellRenderer(renderer);


    ToolTipManager.sharedInstance().registerComponent(this);
    this.setRootVisible(false);
    this.setShowsRootHandles(true);
//    this.setRootVisible(false);

  }

  public void setActivePipeline(BlockDiagram diag) {

//    System.out.println("setting active diagram: " + diag.getCanvas().getCanvasTreeName());
    if (diag != null) {
      Object root = this.getModel().getRoot();
      if (root instanceof PipelineList) {
//      System.out.println("got root");
        PipelineList proot = (PipelineList) root;

        Iterator it = proot.getPipelines().iterator();
        while (it.hasNext()) {
          PipelineList pl = (PipelineList) it.next();

          // search for the pipeline list with the matching diag
          PipelineList plfound = pl.findMatchingDiagram(diag);
          if (plfound != null) {
            proot.deselectAll();
            plfound.setSelected(true);
            break;
          } else {
//          System.err.println("no match found");
          }

        }

      }
    }
    this.revalidate();
    this.repaint();

  }
}