UMLoid.java :  » UnTagged » umloid » whiter4bbit » umloid » Android Open Source

package whiter4bbit.umloid;

import whiter4bbit.umloid.activity.CreateActivity;
import whiter4bbit.umloid.activity.DiagramActivity;
import whiter4bbit.umloid.tool.UMLoidHelper;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;

/**
 * @author whiter4bbit
 * 
 * UMLoid a main activity
 */
public class UMLoid extends Activity {
  
  public static final int MENU_CREATE_DIAGRAM = Menu.FIRST;  
  
  private final int CREATE_DIAGRAM = 0;  
  
  private final int SHOW_DIAGRAM_ACTIVITY = 1;
    
  
  public ListView diagramsListView = null;
  
    /** Called when the activity is first created. */
  @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);
        diagramsListView = (ListView) findViewById(R.id.files_list);                
        diagramsListView.setAdapter(new DiagramsListViewAdapter(this, fileList()));
        diagramsListView.setOnItemClickListener(onFileClickListener);
  }
  
  private OnItemClickListener onFileClickListener = new OnItemClickListener(){
    public void onItemClick(AdapterView parent, View v, int position, long id){
      String file = (String)diagramsListView.getSelectedItem();
      if( file!=null ){      
        
        Intent intent = new Intent(v.getContext(), DiagramActivity.class);
        intent.putExtra(UMLoidHelper.DIAGRAM_TYPE_KEY, UMLoidHelper.CLASS_DIAGRAM);
        intent.putExtra(UMLoidHelper.DIAGRAM_STATE, UMLoidHelper.DIAGRAM_STATE_LOAD);
        intent.putExtra(UMLoidHelper.DIAGRAM_FILE, file);
        
        startActivityForResult(intent, SHOW_DIAGRAM_ACTIVITY);
      }
    }
  };
  
  private class DiagramsListViewAdapter extends BaseAdapter{
    
    public int getCount() {
      return files!=null ? files.length : 0;
    }
    
    public Object getItem(int position) {      
      return files[position];
    }
    
    public long getItemId(int position) {
      return position;
    }
    
    public View getView(int position, View convertView, ViewGroup parent) {
      TextView textView = new TextView(context);
      textView.setText(files[position]);
      return textView;
    }    
    
    private String[] files = null;
    
    private Context context = null;
    
    public DiagramsListViewAdapter(Context context, String[] files) {
      this.files = files;
      this.context = context;
    }
  };
  
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    super.onCreateOptionsMenu(menu);
    menu.add(0, MENU_CREATE_DIAGRAM, 0, R.string.menu_create_diagram);
    return true;
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {    
    super.onOptionsItemSelected(item);
    
    switch(item.getItemId()){
    case MENU_CREATE_DIAGRAM:
      createDiagram();
      break;
    }
    return true;    
  }
  
  private void createDiagram(){
    Intent i = new Intent(this, CreateActivity.class);
    
    startActivityForResult(i, CREATE_DIAGRAM);
  }
  
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    
    switch (requestCode) {    
    case CREATE_DIAGRAM:  
      Bundle extras = data.getExtras();
      int diagramType = extras.getInt(UMLoidHelper.DIAGRAM_TYPE_KEY);
      String diagramName = extras.getString(UMLoidHelper.DIAGRAM_NAME_KEY);
      
      Intent i = new Intent(this, DiagramActivity.class);              
      i.putExtra(UMLoidHelper.DIAGRAM_NAME_KEY, diagramName);
      i.putExtra(UMLoidHelper.DIAGRAM_TYPE_KEY, diagramType);
      i.putExtra(UMLoidHelper.DIAGRAM_STATE, UMLoidHelper.DIAGRAM_STATE_CREATE);
      
      //startSubActivity(i, SHOW_DIAGRAM_ACTIVITY);
      startActivityForResult(i, SHOW_DIAGRAM_ACTIVITY);
      break;

    }
  }  
  
}