Source code: com/port80/eclipse/xml/editors/TreeFolder.java

   package com.port80.eclipse.xml.editors;
   
   import java.util.ArrayList;
   
   /**
    * @author chrisl
    */
   class TreeFolder extends TreeObject {
   
    ////////////////////////////////////////////////////////////////////////                                
  
    private ArrayList children;
  
    ////////////////////////////////////////////////////////////////////////                                
  
    public TreeFolder(Object a) {
      super(a);
      if (fKind == TEXT)
        fKind = FOLDER;
      children = new ArrayList();
    }
  
    public void addChild(TreeObject child) {
      children.add(child);
      child.setParent(this);
    }
  
    public void removeChild(TreeObject child) {
      children.remove(child);
      child.setParent(null);
    }
  
    public void removeChildren() {
      Object a;
      for (int i = 0; i < children.size(); ++i) {
        a = children.get(i);
        if (a instanceof TreeObject) {
          ((TreeObject) a).setParent(null);
        } else {
          ((TreeFolder) a).removeChildren();
          ((TreeFolder) a).setParent(null);
        }
      }
      children.clear();
    }
  
    public int getNumChildren() {
      return children.size();
    }
  
    public TreeObject getChild(int i) {
      return (TreeObject) children.get(i);
    }
  
    public TreeObject[] getChildren() {
      return (TreeObject[]) children.toArray(new TreeObject[children.size()]);
    }
  
    public boolean hasChildren() {
      return children.size() > 0;
    }
  
    ////////////////////////////////////////////////////////////////////////                                
  }