Android Open Source - improv-referee Improv List Fragment

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License

The source code is released under:

Copyright (C) <2011> by <Pierre-Henri Trivier> Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to de...

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Java Source Code

package fr.pht.improv.referee;
//from w w w . jav a 2s .co m
import fr.pht.improv.referee.R;

import fr.pht.improv.db.ImprovDbTable;
import fr.pht.improv.model.ImprovRenderer;
import fr.pht.improv.model.ImprovType;
import fr.pht.improv.referee.contentprovider.ImprovContentProvider;

import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.widget.SimpleCursorAdapter;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class ImprovListFragment extends ListFragment implements
        LoaderCallbacks<Cursor> {

    // private Cursor cursor;
    private SimpleCursorAdapter adapter;

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        setEmptyText(getString(R.string.improv_list_no_improv));

        // Fields from the database (projection)
        String[] from = new String[] { ImprovDbTable.COL_TITLE };
        // Fields on the UI to which we map
        int[] to = new int[] { R.id.improvListItem_title };

        Context context = this.getActivity();

        adapter = new SimpleCursorAdapter(context, R.layout.improv_list_item,
                null, from, to, 0) {

            
            public View newView(Context context, Cursor cursor, ViewGroup parent) {
                View v = super.newView(context, cursor, parent);
                TextView title_text = (TextView) v.findViewById(R.id.improvListItem_details);
                if (title_text != null) {
                    title_text.setText(getImprovDetails(cursor));
                }
                return v;
            };

            public void bindView(View v, Context context, Cursor cursor) {
                super.bindView(v, context, cursor);
                TextView title_text = (TextView) v.findViewById(R.id.improvListItem_details);
                if (title_text != null) {
                    title_text.setText(getImprovDetails(cursor));
                }
            };
            
        };

        this.getLoaderManager().initLoader(0, null, this);

        setListAdapter(adapter);
    }

    public String getImprovDetails(Cursor cursor) {
     // super.convertToString(cursor);
        StringBuffer res = new StringBuffer();
        /*
        String title = cursor.getString(cursor
                .getColumnIndexOrThrow(ImprovDbTable.COL_TITLE));
        */
        
        String type = cursor.getString(cursor
                .getColumnIndexOrThrow(ImprovDbTable.COL_TYPE));
        // cursor.getString(cursor.getColumnIndexOrThrow(ImprovDbTable.COL_TYPE));
        if (ImprovType.MIXT.toString().equalsIgnoreCase(type)) {
            res.append("(M) ");
        } else {
            res.append("(C) ");
        }

        // res.append(title);

        Integer duration = cursor.getInt(cursor
                .getColumnIndexOrThrow(ImprovDbTable.COL_DURATION));
        res.append(ImprovRenderer.displayTime(duration));

        String category = cursor.getString(cursor
                .getColumnIndex(ImprovDbTable.COL_CATEGORY));
        if (category != null && !"".equalsIgnoreCase(category)) {
            res.append(" (");
            res.append(category);
            res.append(")");
        }
        return res.toString();
    }
    
    // Creates a new loader after the initLoader () call
    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        String[] projection = { ImprovDbTable.COL_ID, ImprovDbTable.COL_TITLE, ImprovDbTable.COL_TYPE, ImprovDbTable.COL_DURATION, ImprovDbTable.COL_CATEGORY };
        CursorLoader cursorLoader = new CursorLoader(this.getActivity(),
                ImprovContentProvider.CONTENT_URI, projection, null, null, null);
        return cursorLoader;
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        adapter.swapCursor(data);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        // data is not available anymore, delete reference
        adapter.swapCursor(null);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);
        Intent i = new Intent(getActivity(), ImprovDetailActivity.class);
        Uri todoUri = Uri.parse(ImprovContentProvider.CONTENT_URI + "/" + id);
        i.putExtra(ImprovContentProvider.CONTENT_ITEM_TYPE, todoUri);

        // Activity returns an result if called with startActivityForResult
        startActivityForResult(i, ImprovListActivity.ACTIVITY_EDIT);
    }

}

Java Source Code List