Android Open Source - SysAdmin-Nagios-Client Filter Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.SysAdmin.Activity;
/*from  ww  w  . j  a v  a  2  s.c o  m*/
import java.util.HashMap;
import java.util.List;

import com.SysAdmin.AppFacade;
import com.SysAdmin.MyExpandableListView;
import com.SysAdmin.R;
import com.SysAdmin.EventListener.EventListener_Filter;
import com.SysAdmin.FileDialog.FileDialog;
import com.SysAdmin.Filter.Filter;
import com.SysAdmin.Filter.FilterList;
import com.SysAdmin.Nagios.Entity.HostEntity;
import com.SysAdmin.Nagios.Entity.ServiceEntity;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.util.SparseBooleanArray;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.CheckedTextView;
import android.widget.ExpandableListView;
import android.widget.LinearLayout;
import android.widget.ListAdapter;

/**
 * Defines the filter activity. Adds the expandable listView to the layout.
 * 
 * @author Lukas Bernreiter
 * @author Markus Hinterleitner
 * @version 0.6, 03/28/2012
 * @since 0.5
 */
public class FilterActivity extends Activity 
{
  private EventListener_Filter mEventListener_Filter = null;
  private String[] mGroups = null;
  private String[][] mChilds = null;
  private ExpandableListView mExpandableListView = null;
  //private String[] mSelected = null;
  
  
  /** Called when the activity is first created. */
  protected void onCreate(Bundle _icicle)
  {
    super.onCreate(_icicle);
    this.setContentView(R.layout.filter);        
    
    if(null != AppFacade.GetCurrentEntity())
      this.addExpandableListView();
    
    this.initializeObjects();
  }
  
  private void initializeObjects()
  {
    this.mEventListener_Filter = new EventListener_Filter(this);
    this.mEventListener_Filter.setEvents();      
  }
  
  private void addExpandableListView()
  {
    this.mExpandableListView = new ExpandableListView(this);        
    
    // Retrieve the data for the ListView
    this.fillData();      
    
    MyExpandableListView.createExpandableListView(this, this.mGroups, this.mChilds, this.mExpandableListView);
    
    LinearLayout layout = (LinearLayout)this.findViewById(R.id.layout_Filter);
    layout.addView(this.mExpandableListView);
    
    this.loadCheckedServices();
  }
  
  private void fillData()
  {
    HostEntity[] hosts = AppFacade.GetCurrentEntity().getHosts();
    this.mGroups = new String[hosts.length];
    this.mChilds = new String[hosts.length][];
    
    // Create the parent items
    for (int i = 0; i < hosts.length; i++) {
      this.mGroups[i] = hosts[i].getHostName();
      // Retrieve the services of a host
      List<ServiceEntity> services = hosts[i].getServices();
      this.mChilds[i] = new String[services.size()];
      for (int j = 0; j < services.size(); j++) 
      {        
        this.mChilds[i][j] = services.get(j).getServiceDescription(); 
      }
    }
  }
  
  public boolean onCreateOptionsMenu(Menu _menu){
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.main_menu, _menu);
    return true;
  }  
  
  /** Called whenever a menu item gets clicked */
  @Override
  public boolean onOptionsItemSelected(MenuItem item)
  {
      switch (item.getItemId()) {       
      
      case R.id.menuItemNext:
        // Expand all group items
//      this.expandGroups();

            try {
              AppFacade.setFilterList(this.createFilterArray());
      } catch (Exception e) {}
            
            this.retrieveData();
            
            Intent intent = new Intent(this,ConclusionActivity.class);
            
            this.startActivityForResult(intent, AppFacade.GetConfigureRequestCode());
            
          break;
      
      case R.id.menuItemLoad:
          
        this.loadFile();
          break;
          
      case R.id.menuItemAbort:
        this.setResult(RESULT_CANCELED);
          this.finish();
          break;
          
      default:
        return super.onOptionsItemSelected(item);
      }
      
      return true;
  }
  
  protected void onActivityResult(int requestCode, int resultCode, Intent data) 
  {
    Log.d(AppFacade.GetTag(), "Result received");
    if (resultCode == RESULT_OK)
    {
      if(requestCode == AppFacade.REQEUST_LOAD)
      {
        String path = data.getStringExtra(FileDialog.RESULT_PATH);

        if(AppFacade.getFilterList() != null)
        {
          try {
            AppFacade.getFilterList().deserialize(path);
          } catch (Exception e) {}
          
          this.loadCheckedServices();
        }
      }
      else
      {
        this.setResult(RESULT_OK);
        this.finish();
      }
    }
    else if (resultCode == RESULT_CANCELED)
    {
      if(requestCode != AppFacade.REQEUST_LOAD)
      {
        this.setResult(RESULT_CANCELED);
        this.finish();
      }
    }
    }
  
  private void loadCheckedServices()
  {
    // set items
    View convertView = null;
    View view = null;

//    int sizeOfHosts = AppFacade.getFilterList().getFilters().size();
    
    for(Filter filter: AppFacade.getFilterList().getFilters())
    {
      String hostName    = filter.getHostName();
      String serviceName = filter.getServiceName();
      
      for(int i = 0; i < MyExpandableListView.getCountOfGroups(); i++)
      {
        if(!hostName.equals(MyExpandableListView.getGroup(i)))
        { continue; }
        
        for(int j=0; j < MyExpandableListView.getCountOfChilds(i); j++)
        {
          if(!serviceName.equals(MyExpandableListView.getChild(i, j)))
          { continue; }
          
          view = MyExpandableListView.getChildView(i, j, convertView);

          if(view != null)
          {
            CheckedTextView checkedTextView = (CheckedTextView) view.findViewById(R.id.checkedText_Child);
      
            if(checkedTextView != null)
            {
              int position = this.mExpandableListView.getFlatListPosition(ExpandableListView.getPackedPositionForChild(i, j));
              this.mExpandableListView.setItemChecked(position, true);
            }                  
          }
          
          break;
        }
        
        break;
      }
    }
  }
    
  public ExpandableListView getExpListView(){return this.mExpandableListView;}
  public CheckedTextView getChTxtView(){return (CheckedTextView) this.findViewById(R.id.checkedText_Child);}
  
  @SuppressWarnings("unchecked")
  protected FilterList createFilterArray() throws Exception
  {
    SparseBooleanArray checkedPositions = this.mExpandableListView.getCheckedItemPositions();
    
    String hostName    = new String();
    String serviceName = new String();
    
    int size = checkedPositions.size();
    
    for (int i = 0; i < size; i++)
    {
      Boolean checkedPosition = checkedPositions.valueAt(i);
      int itemPosition = checkedPositions.keyAt(i);
      
      if(checkedPosition)
      {
        ListAdapter listAdapter = (ListAdapter) this.mExpandableListView.getAdapter();
        HashMap<String,String> item = (HashMap<String, String>) listAdapter.getItem(itemPosition);
        
        serviceName = item.get(MyExpandableListView.CHILDNAME);
        hostName    = item.get(MyExpandableListView.GROUPNAME);
      
        if(hostName.isEmpty() || serviceName.isEmpty())
          throw new Exception("Couldn't determine a filter of a checked item");
        
        Filter filter = new Filter(hostName, serviceName);
        AppFacade.getFilterList().addFilter(filter);
      }
    }
    
    return AppFacade.getFilterList();
  }
  
  private void loadFile()
  {
    Intent intent = new Intent(getBaseContext(), FileDialog.class);
        intent.putExtra(FileDialog.START_PATH, "/sdcard/SysAdmin");
        
        //can user select directories or not
        intent.putExtra(FileDialog.CAN_SELECT_DIR, true);
        
        //alternatively you can set file filter
        //intent.putExtra(FileDialog.FORMAT_FILTER, new String[] { "png" });
        
        startActivityForResult(intent, AppFacade.REQEUST_LOAD);
  }
  
  /*private void expandGroups()
  {
    int groups = this.mExpandableListView.getExpandableListAdapter().getGroupCount();

    for (int i = 0; i < groups; i++)
      this.mExpandableListView.expandGroup(i);
  }*/

  @SuppressWarnings("unchecked")
  public void retrieveData()
  {    
    HostEntity[] hosts = AppFacade.GetCurrentEntity().getHosts();
    
    SparseBooleanArray checkedPositions = this.mExpandableListView.getCheckedItemPositions();
    
    String hostName    = new String();
    String serviceName = new String();
    
    int size = checkedPositions.size();
    
    for (int i = 0; i < size; i++)
    {
      Boolean checkedPosition = checkedPositions.valueAt(i);
      int itemPosition = checkedPositions.keyAt(i);
      
      if(checkedPosition)
      {
        ListAdapter listAdapter = (ListAdapter) this.mExpandableListView.getAdapter();
        HashMap<String,String> item = (HashMap<String, String>) listAdapter.getItem(itemPosition);
        
        serviceName = item.get(MyExpandableListView.CHILDNAME);
        hostName    = item.get(MyExpandableListView.GROUPNAME);
        
        for(int m = 0; m < hosts.length; m++)
        {
          if(!hostName.equals(hosts[m].getHostName()))
          { continue; }
          
          List<ServiceEntity> services = hosts[m].getServices();
          
          for(int j=0; j < services.size(); j++)
          {
            if(!serviceName.equals(services.get(j).getServiceDescription()))
            { continue; }
            
            services.get(j).check(true);
            
            break;
          }
          
          break;
        }
      }
    }
    
    /*
    HostEntity[] hosts = AppFacade.GetCurrentEntity().getHosts();
    int counter = 0;


    SparseBooleanArray checkedPositions = this.mExpandableListView.getCheckedItemPositions();
    // Create the parent items
    for (int i = 0; i < hosts.length; i++) 
    {      
      List<ServiceEntity> services = hosts[i].getServices();
      for (int j = 0; j < services.size(); j++) 
      {
        for (int l = 0; l < checkedPositions.size(); l++)
        {
          Log.d(AppFacade.GetTag(),counter + " == " + (checkedPositions.keyAt(l)-i));
          if(counter == (checkedPositions.keyAt(l)-i))
          {
            hosts[i].getServices().get(j).check(true);
            Log.d(AppFacade.GetTag(), checkedPositions.keyAt(l) + hosts[i].getServices().get(j-1).getHostName() + hosts[i].getServices().get(j-1).getServiceDescription());
          }
        }
        counter++;
      }
    }*/    
  }
}

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