package com.tenwa.orginfo;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class ETree {
      private String defaultFolderIcs;
      private String defaultLeafIcs;
      private List<ETreeItem>trees=new ArrayList<ETreeItem>();
      private Map<String,ETreeItem>treeMap=new HashMap<String,ETreeItem>();
	  public ETree(String defaultFolderIcs, String defaultLeafIcs) {
			this.defaultFolderIcs = defaultFolderIcs;
			this.defaultLeafIcs = defaultLeafIcs;
	  }
      public void addTreeItem(ETreeItem item){
    	 if(treeMap.containsKey(item.getPid())){
    		 treeMap.get(item.getPid()).addChildern(item);
    		 this.treeMap.put(item.getId(), item);
    	 }else{
    		 this.trees.add(item);
    		 this.treeMap.put(item.getId(), item);
    	 }
      }
      public String loadTreeStrJson(List<ETreeItem>Items)throws Exception{
    	  StringBuffer treeJson=new StringBuffer();
    	  treeJson.append("[");
    	  int j=0;
	      for(ETreeItem item:Items){
	    	  j++;
	    	  if(j>1){treeJson.append(",");}
	    	  treeJson.append("{");
	    	  treeJson.append("\"id\":\""+item.getId()+"\"");
	    	  treeJson.append(",\"text\":\""+item.getText()+"\"");
	    	  treeJson.append(",\"state\":\"opened\"");
	    	  if(item.getAttributes().keySet().size()>0){
		    		 treeJson.append(",\"attributes\":{");
		    		     int index=0;
		    		     for(String key:item.getAttributes().keySet()){
		    		    	 index++;
		    		    	 if(index>1){ treeJson.append(",");}
		    		    	 treeJson.append("\""+key+"\":\""+item.getAttributes().get(key)+"\"");
		    		     }
		    		  treeJson.append("}");
	    	  }
	    	  treeJson.append(",\"iconCls\":\""+this.loadIconcls(item, item.getChilren().size())+"\"");
	    	  if(item.getChilren().size()>0){
	    		  treeJson.append(",\"children\":"+this.loadTreeStrJson(item.getChilren()));
	    	  }
	    	  treeJson.append("}");
	      }
	      treeJson.append("]");
    	  return treeJson.toString();
      }
      public String loadIconcls(ETreeItem item,int clength){
    	  String iconCls=item.getIconCls();
    	  String defaultIconCls="";
    	  if(item.getChilren().size()>0){
    		  defaultIconCls=this.defaultFolderIcs;
    	  }else{
    		  defaultIconCls=this.defaultLeafIcs;
    	  }
    	  if(null==iconCls || iconCls.length()==0){
    		  iconCls=defaultIconCls;
    	  }
    	  return iconCls;
      }
      public String loadTreeStrJson()throws Exception{
    	  System.out.println(this.trees.size());
    	 return  this.loadTreeStrJson(this.trees);
      }
}