checknode.java

tame,扩展了好多SWing组件:JTable

/* (swing1.1) */
package tame.tree;

import java.util.Enumeration;

import javax.swing.tree.DefaultMutableTreeNode;

/**
@author Nobuo Tamemasa
@version 1.0 01/11/99
*/
public class CheckNode extends DefaultMutableTreeNode {

  public final static int SINGLE_SELECTION = 0;
  public final static int DIG_IN_SELECTION = 4;
  protected int selectionMode;
  protected boolean isSelected;

  public CheckNode() {
    this(null);
  }

  public CheckNode(Object userObject) {
    this(userObject, true, false);
  }

  public CheckNode(Object userObject, boolean allowsChildren
                                    , boolean isSelected) {
    super(userObject, allowsChildren);
    this.isSelected = isSelected;
    setSelectionMode(DIG_IN_SELECTION);
  }

  public void setSelectionMode(int mode) {
    selectionMode = mode;
  }

  public int getSelectionMode() {
    return selectionMode;
  }

  public void setSelected(boolean isSelected) {
    this.isSelected = isSelected;

    if ((selectionMode == DIG_IN_SELECTION)
        && (children != null)) {
      Enumeration enum1 = children.elements();
      while (enum1.hasMoreElements()) {
        CheckNode node = (CheckNode)enum1.nextElement();
        node.setSelected(isSelected);
      }
    }
  }

  public boolean isSelected() {
    return isSelected;
  }

  // If you want to change "isSelected" by CellEditor,
  /*
  public void setUserObject(Object obj) {
    if (obj instanceof Boolean) {
      setSelected(((Boolean)obj).booleanValue());
    } else {
      super.setUserObject(obj);
    }
  }
 */

}