VisClient/org/hfbk/vis/visnode/VisIcal.java

Go to the documentation of this file.

package org.hfbk.vis.visnode;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Iterator;

import org.dronus.graph.Node;
import org.hfbk.vis.Prefs;
import org.lwjgl.util.vector.Vector3f;


public class VisIcal extends VisNode {

        int dl;  // DisplayList number
        boolean isevent=false;
        boolean isdescription=false;
    long lastupdate;    
        int eventcount=0;

        public class eventtype implements Comparable{
                Long BEGIN;
                Long END;
                String description;
                String evturl;
                String[] words;

                public eventtype() {

                }
                public eventtype(Long BEGIN,Long END,String description, String ur) {
                        this.BEGIN=BEGIN;
                        this.END=END;
                        this.description=description;
                        this.words=description.split(" +");
                        this.evturl=ur;
                }
                public eventtype(Long BEGIN,Long END,String[] words) {
                        this.BEGIN=BEGIN;
                        this.END=END;
                        this.words=words;
                }
                
                public int compareTo(Object other) {
                        return (int)Math.signum(BEGIN-((eventtype)other).BEGIN);
                }
                
        }
        ArrayList<eventtype>  events=new ArrayList<eventtype>();   //and faces as vertex indicies
        
    
        
        public VisIcal(Node n, Vector3f position) {
                super(n, new Vector3f(0,0,0));
                radius=2000;
                try {
                        load(n.text);
                } catch (IOException e) { //.obj file not found 
                        e.printStackTrace();
                }

                
        }

        
        @SuppressWarnings("unchecked")
        void load(String filename) throws IOException{
                
                BufferedReader r=new BufferedReader(new InputStreamReader(new FileInputStream(new File(filename)),Charset.forName("UTF-8")));
                
                String line;
                
                String url="";
                
                Date st = new Date();
                Date et = new Date();
                String desc = new String();
                SimpleDateFormat df = new SimpleDateFormat( "yyyyMMdd'T'HHmmss" );
                SimpleDateFormat dfday = new SimpleDateFormat( "yyyyMMdd" );
                
                System.out.println("parsing "+filename+", NOW is "+df.format(System.currentTimeMillis()));
                
                
                while ((line=r.readLine())!=null){ //read file while lines left..
                        
                        if (line.equals("BEGIN:VEVENT")){isevent=true;url="";eventcount++;}
                        
                        if (isevent)
                        {
//      System.out.println(line);
                                
                                String[] params2=line.split(":");
                                if (params2[0].equals("DESCRIPTION"))
                                {
                                        if (params2.length>1)
                                        {desc=params2[1];} else desc="none";
                                //      System.out.println(desc);
                                        
                        //              isdescription=true;
                                }
                                else
                                if (params2[0].equals("URL"))
                                        {
                                                url="http://"+params2[2];
                                                
                                //              isdescription=true;
                                        }
                                else
                                        
                                if (params2[0].equals("SUMMARY"))
                                {
                                                if (params2.length>1)
                                                {desc=params2[1]+" "+desc;} else desc="none";
                                        //      System.out.println(desc);
                                                
                                //              isdescription=true;
                                }
                                else
                                {
                                isdescription=false;
                                String[] params=line.split(";");
                                if (params[0].equals("DTSTART"))
                                {
                                        String[] vals=params[1].split(":");
                                        String stamp=vals[1];
                                        
                                        if (stamp.contains("T"))
                                                {try {st=df.parse( stamp );}
                                                catch(Exception e){throw new RuntimeException(e);}}
                                        else
                                                {try {st=dfday.parse( stamp );}
                                                catch(Exception e){throw new RuntimeException(e);}}
                                        
                                        
                                        
                                        
                                }
                                if (params[0].equals("DTEND"))
                                {
                                        String[] vals=params[1].split(":");
                                        String stamp=vals[1];
                                        if (stamp.contains("T"))
                                        {try {et=df.parse( stamp );}
                                        catch(Exception e){throw new RuntimeException(e);}}
                                else
                                        {try {et=dfday.parse( stamp );}
                                        catch(Exception e){throw new RuntimeException(e);}}
                                
                                }
                                
                                
                                }
                                
                        }
                        if (line.equals("END:VEVENT"))
                        {
                                isevent=false;
                                events.add(new eventtype(st.getTime(),et.getTime(),desc,url));
                            //String[] singlewords=desc.split(" +");
                                                    
//                              events.add(new eventtype(st.getTime(),et.getTime(),singlewords));
                            
                        }
                        
                }
                
                //sort events by BEGIN time
                Collections.sort(events);
                
                
                
                
                DateFormat datef=new SimpleDateFormat();
                if (Prefs.current.verbose) for(Iterator iter =events.iterator();iter.hasNext();){
                        eventtype p = (eventtype)iter.next();
                        System.out.println(datef.format(new Date(p.BEGIN))+"-"+datef.format(new Date(p.END)));
                        System.out.println(p.description);
                        
                        for (int i=1; i<p.words.length; i++){
                                
        //                      System.out.print(p.words[i]+',');
                                }
                        
                
                
                }
                
                
                
                        System.out.println();
                }
        
        
        
        long nextUpdate=System.currentTimeMillis();
        void renderSelf() {
                //do update if time elapsed
                Vector3f po=new Vector3f();
                
                Vector3f pe=new Vector3f();
                
                long time=System.currentTimeMillis();

//              long localtime=time-1000*60*60;
                SimpleDateFormat df = new SimpleDateFormat( "yyyyMMdd'T'HHmmss" );
        
                
                
                if (time>nextUpdate){
                        
                        System.out.println("updating ical at #"+df.format(time));
                        
                        for (eventtype e: events){
                                
                //              System.out.println(e.BEGIN);
                                
                                if(time>e.BEGIN && time<e.END){ //found valid event
                                                                                
                                        //if (currentEvent!=null){
                                                VisRoot root=getRoot();
                                                Vector3f  c=root.epicenter;
                                        
                                                //VisClient vc=root.client;
                                                //vc.reset();
                                                //root=vc.root;                         
                                                root.add(this);
                                                
                System.out.println("jetzt: "+df.format(e.BEGIN)+"#"+e.description);                             

                        po.x=c.x+(float)Math.random()*100;
                        po.y=c.y+(float)Math.random()*30;
                        po.z=c.z+(float)Math.random()*100;

                        
                        
                        VisNode um=new VisText(new Node(e.description), po);
                
                        
                        
                        root.add(um=new VisText(new Node(e.description), po));
                        
                        um.url=e.evturl;
                        
                        
                        
//              root.add(um);   
                        
                                                for (String word: e.words){
                                                        pe.x=po.x-10+(float)Math.random()*10;
                                                        pe.y=po.y-10+(float)Math.random()*10;
                                                        pe.z=po.z-10+(float)Math.random()*10;
                                                        if (word.length()>3)
                                                        um.add(new VisKeyword(new Node(word), pe));                                     
                                                }
                
                                        
                                        
                                        
                                        
//                                      nextUpdate=e.END;
                                nextUpdate=time+1000*60*15;
                
                                        
                                }else if (time<e.BEGIN) //memorize upcoming event
                                        {
                                        nextUpdate=e.BEGIN;
                                        
                                        
                                        }
                        }
                        

                }
        }
}

---