iconnode.java

来自「自制java的swing组件」· Java 代码 · 共 59 行

/*  (swing1.1.1beta2) */
package zb.swing;

import javax.swing.*;
import javax.swing.tree.*;

/**
 * @version 1.1 06/19/99
 */
public class IconNode
    extends DefaultMutableTreeNode {

  protected Icon icon;
  protected String iconName;

  public IconNode() {
    this(null);
  }

  public IconNode(Object userObject) {
    this(userObject, true, null);
  }

  public IconNode(Object userObject, boolean allowsChildren
                  , Icon icon) {
    super(userObject, allowsChildren);
    this.icon = icon;
  }

  public void setIcon(Icon icon) {
    this.icon = icon;
  }

  public Icon getIcon() {
    return icon;
  }

  public String getIconName() {
    if (iconName != null) {
      return iconName;
    }
    else {
      String str = userObject.toString();
      int index = str.lastIndexOf(".");
      if (index != -1) {
        return str.substring(++index);
      }
      else {
        return null;
      }
    }
  }

  public void setIconName(String name) {
    iconName = name;
  }

}