Android Open Source - local-stories Search

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License

The source code is released under:

Apache License

If you think the Android project local-stories listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package no.hiof.stud.localstories;
/*from  w ww. j  a  va 2  s  .c  om*/
import java.util.ArrayList;
import android.util.Log;

public class Search {
  private static ArrayList<Event> events;
  //Location
  public double locX=0;
  public double locY=0;
  public float distance=0;
  //Time
  public int yearFrom=0;
  public int yearTo=0;
  //Text
  public String freeText = "";
  
  public void setYear(int from, int to){
    yearFrom=from;
    yearTo=to;
  }
  public void setText(String txt){
    freeText=txt;
  }
  public void setLocation(double x,double y, float dist){
    locX=x;
    locY=y;
    distance=dist;
  }
  
  public void resetSearch(){
    locX=0;
    locY=0;
    distance=0;
    yearFrom=0;
    yearTo=0;
    freeText = "";
    events = new ArrayList<Event>();
  }
  public void start(){
    events = (ArrayList<Event>) Library.Events.clone();
    yearFilter();
    locationFilter();
    if(freeText!="") freeTextFilter();
    
  }
  public static ArrayList<Event> getList(){
    return events;
  }
  
  //Filters out events based on yearFrom and yearTo
  private void yearFilter(){
    for(int i=0; i<events.size();i++){
      Event evt = events.get(i);
      if(evt.toYear<yearFrom || evt.fromYear>yearTo){
        events.remove(i);
        i--;
      }
    }
    
  }

  //Filters out events based on freeText
  private void freeTextFilter(){
    boolean wordMatch = false;
    String[] txt = freeText.split(" ");
    for(int i=0; i<events.size();i++){
      Event evt = events.get(i);
      wordMatch = false;
      //Keyword filter
      for(int s=0; s<txt.length; s++){
        for(int r=0; r<evt.keywords.length; r++){
          if(txt[s].equalsIgnoreCase(evt.keywords[r])) wordMatch = true;
        }
      }
      //Text filter
      for(int s=0; s<txt.length; s++){
        
        if(evt.text.indexOf(txt[s])!=-1) wordMatch = true;
        
      }
      //FILTERING
      if(!wordMatch){
        events.remove(i);
        i--;
      }
      
    }
    
  }

  //Filters out events based on location
  private void locationFilter(){
    for(int i=0; i<events.size();i++){
      Event evt = events.get(i);
      //Phytagoras
      double kat1 = Math.pow(Math.abs(locX-evt.getLat()),2.0);
      double kat2 = Math.pow(Math.abs(locY-evt.getLng()),2.0);
      double dist = Math.sqrt(kat1+kat2);

        Log.i("LocalStories", "Kat1 "+ kat1);
        Log.i("LocalStories", "Kat2 "+ kat2);
        Log.i("LocalStories", "Hyp "+ dist);
        Log.i("LocalStories", "Dist "+ distance);
      if(dist>distance){
        events.remove(i);
        i--;
      }
    }
  }


}

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