fragments.DocumentsListFragment.java Source code

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Here is the source code for fragments.DocumentsListFragment.java

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/**
 * Claroline Mobile - Android
 * 
 * @package     fragments
 * 
 * @author      Devos Quentin (q.devos@student.uclouvain.be)
 * @version     1.0
 *
 * @license     ##LICENSE##
 * @copyright   2013 - Devos Quentin
 */
package fragments;

import java.util.List;

import model.Document;
import model.ResourceList;
import net.claroline.mobile.android.R;
import activity.DetailsActivity;
import adapter.DocumentsAdapter;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.TextView;
import app.AppActivity;

import com.activeandroid.query.Select;
import com.loopj.android.http.AsyncHttpResponseHandler;

import connectivity.SupportedModules;

/**
 * Claroline Mobile - Android
 * 
 * The {@link Document} {@link ListFragment}.
 * 
 * @author Devos Quentin (q.devos@student.uclouvain.be)
 * @version 1.0
 */
public class DocumentsListFragment extends ListFragment {

    /**
     * Current list viewed.
     */
    private ResourceList mCurrentList;

    /**
     * UI references.
     */
    private TextView mCurrentPath;

    /**
     * Current document on root.
     */
    private Document mCurrentRoot;

    /**
     * Shows the content of the root of the current document.
     */
    public void goUp() {
        mCurrentRoot = mCurrentRoot.getRoot();
        mCurrentPath.setText(mCurrentRoot.getFullPath());
        refreshUI();
    }

    /**
     * @return true if the current document is the root, false otherwise
     */
    public boolean isOnRoot() {
        return mCurrentRoot.getFullPath().equals("/");
    }

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

        mCurrentPath = (TextView) getView().findViewById(R.id.currentPath);

        long id = -1;

        Bundle extras = getArguments();
        if (extras != null) {
            mCurrentList = new Select().from(ResourceList.class)
                    .where("Cours = ? AND label = ?", extras.get("coursID"), SupportedModules.CLDOC.name())
                    .executeSingle();
            id = extras.getLong("docID", -1);
        }

        if (mCurrentList != null) {
            if (mCurrentList.isExpired() || mCurrentList.resources().size() == 0
                    && ((AppActivity) getActivity()).mustUpdate(AppActivity.ONCE_PER_DAY)) {
                ((AppActivity) getActivity()).setProgressIndicator(true);
                ((AppActivity) getActivity()).getService().getResourcesForList(mCurrentList,
                        new AsyncHttpResponseHandler() {
                            @Override
                            public void onFinish() {
                                if (getActivity() != null) {
                                    ((AppActivity) getActivity()).setProgressIndicator(false);
                                }
                            }

                            @Override
                            public void onSuccess(final String content) {
                                refreshUI();
                                if (getActivity() != null) {
                                    ((AppActivity) getActivity()).updatesNow();
                                }
                            }
                        });
            } else if (mCurrentList.isTimeToUpdate()) {
                ((AppActivity) getActivity()).getService().getUpdates(new AsyncHttpResponseHandler() {
                    @Override
                    public void onSuccess(final String content) {
                        if (!content.equals("[]")) {
                            refreshUI();
                        }
                        if (getActivity() != null) {
                            ((AppActivity) getActivity()).updatesNow();
                        }
                    }
                });
            }

            if (id != -1) {
                mCurrentRoot = ((Document) new Select().from(Document.class).where("Id = ", id).executeSingle())
                        .getRoot();
            } else if (mCurrentRoot == null) {
                mCurrentRoot = Document.getEmptyRoot(mCurrentList);
            }
            refreshUI();
        } else {
            getActivity().finish();
        }
    }

    @Override
    public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
            final Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        return inflater.inflate(R.layout.documents_list, null);
    }

    @Override
    public void onListItemClick(final ListView l, final View v, final int position, final long id) {
        final Document item = (Document) getListAdapter().getItem(position);

        if (item.getIsFolder()) {
            mCurrentRoot = item;
            mCurrentPath.setText(mCurrentRoot.getFullPath());
            refreshUI();
        } else {
            Intent intent = new Intent(getActivity(), DetailsActivity.class);
            intent.putExtra("resID", item.getId());
            intent.putExtra("label", mCurrentList.getLabel());
            startActivity(intent);
        }
    }

    /**
     * Refresh the UI.
     */
    public void refreshUI() {
        List<Document> liste = mCurrentRoot.getContent();
        DocumentsAdapter adapter = new DocumentsAdapter(getActivity(), liste);
        setListAdapter(adapter);
        mCurrentPath.setText(mCurrentRoot.getFullPath());
    }
}