package baf.sci;

import com.sun.java.swing.tree.TreeNode;
import java.util.Vector;

/** This class represents a source of SCI resources.
 */
class ResourceCollection implements TreeNode {

  final ResourceDir parent;
  String name;

  ResourceCollection(ResourceDir dir, String name) {
    parent = dir;
    this.name = name;
  }

  ResourceCollection(ResourceDir dir, int resfilenum) {
    parent = dir;
    String suffix = ""+resfilenum;
    while (suffix.length() < 3) suffix = '0'+suffix;
    name = "RESOURCE."+suffix;
  }

  TypedResourceList types[] =
    new TypedResourceList[Resource.typenames.length];

  void addResourceIndex(ResourceIndex idx) {
    TypedResourceList type = types[idx.restype];
    if (type == null) {
      type = new TypedResourceList(idx.restype, this);
      types[idx.restype] = type;
    }
    idx.parent = type;
    type.add(idx);    
  }

  public String toString() {
    return name;
  }

  /* TreeNode mothods */

  public TreeNode getChildAt(int idx) {
    for (int i = 0; i <= idx; i++) {
      if (types[i] == null) idx++;
    }
    return types[idx];
  }

  public int getChildCount() {
    int count = 0;
    for (int i = types.length - 1; i >= 0; i--)
      if (types[i] != null) count++;
    return count;
  }

  public TreeNode getParent() {
    return parent;
  }

  public int getIndex(TreeNode node) {
    int idx = 0;
    for (int i = 0; i < types.length; i++) {
      if (types[i] == node) return idx;
      idx++;
    }
    return -1;
  }

  public boolean getAllowsChildren() {
    return true;
  }

  public boolean isLeaf() {
    return false;
  }

  public java.util.Enumeration children() {
    Vector v = new Vector();
    for (int i = 0; i < types.length; i++)
      if (types[i] != null)
	v.addElement(types[i]);
    return v.elements();
  }
}