Java tutorial
/******************************************************************************* * Copyright (C) 2005-2015 Alfresco Software Limited. * * This file is part of Alfresco Mobile for Android. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *******************************************************************************/ package org.alfresco.mobile.android.application.fragments.activitystream; import java.util.ArrayList; import java.util.Map; import org.alfresco.mobile.android.api.constants.CloudConstant; import org.alfresco.mobile.android.api.constants.OnPremiseConstant; import org.alfresco.mobile.android.api.model.ActivityEntry; import org.alfresco.mobile.android.application.R; import org.alfresco.mobile.android.application.configuration.model.view.ActivitiesConfigModel; import org.alfresco.mobile.android.application.fragments.DisplayUtils; import org.alfresco.mobile.android.application.fragments.FragmentDisplayer; import org.alfresco.mobile.android.application.fragments.MenuFragmentHelper; import org.alfresco.mobile.android.application.fragments.builder.AlfrescoFragmentBuilder; import org.alfresco.mobile.android.application.fragments.node.details.NodeDetailsFragment; import org.alfresco.mobile.android.application.fragments.user.UserProfileFragment; import org.alfresco.mobile.android.async.activitystream.ActivityStreamEvent; import org.alfresco.mobile.android.platform.extensions.AnalyticsManager; import org.alfresco.mobile.android.ui.activitystream.ActivityStreamFragment; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentActivity; import android.view.Menu; import android.view.MenuInflater; import android.view.View; import android.widget.ArrayAdapter; import android.widget.GridView; import android.widget.ImageView; import android.widget.TextView; import com.squareup.otto.Subscribe; public class ActivityFeedFragment extends ActivityStreamFragment { public static final String TAG = ActivityFeedFragment.class.getName(); private static final String TYPE_FILE_DELETE = ActivityFeedAdapter.PREFIX_FILE + "-deleted"; // ////////////////////////////////////////////////////////////////////// // CONSTRUCTORS // ////////////////////////////////////////////////////////////////////// public ActivityFeedFragment() { super(); displayAsList = true; setHasOptionsMenu(true); screenName = AnalyticsManager.SCREEN_ACTIVITIES; } public static ActivityFeedFragment newInstanceByTemplate(Bundle b) { ActivityFeedFragment cbf = new ActivityFeedFragment(); cbf.setArguments(b); b.putBoolean(ARGUMENT_BASED_ON_TEMPLATE, true); return cbf; } // ///////////////////////////////////////////////////////////// // LIFECYCLE // //////////////////////////////////////////////////////////// @Override protected void prepareEmptyView(View ev, ImageView emptyImageView, TextView firstEmptyMessage, TextView secondEmptyMessage) { emptyImageView.setLayoutParams(DisplayUtils.resizeLayout(getActivity(), 275, 275)); emptyImageView.setImageResource(R.drawable.ic_empty_activities); firstEmptyMessage.setText(R.string.activities_list_empty_title); secondEmptyMessage.setVisibility(View.VISIBLE); secondEmptyMessage.setText(R.string.activities_list_empty_description); } @Override public String onPrepareTitle() { return getString(ActivitiesConfigModel.LABEL_ID); } // ///////////////////////////////////////////////////////////// // ITEM SELECTION // //////////////////////////////////////////////////////////// protected void onItemUnselected(ActivityEntry unSelectedObject) { if (DisplayUtils.hasCentralPane(getActivity())) { FragmentDisplayer.with(getActivity()).remove(DisplayUtils.getCentralFragmentId(getActivity())); } } @Override public void onListItemClick(GridView g, View v, int position, long id) { ActivityEntry entry = (ActivityEntry) g.getItemAtPosition(position); Boolean hideDetails = false; if (!selectedEntry.isEmpty()) { hideDetails = selectedEntry.get(0).equals(entry); } g.setItemChecked(position, true); selectedEntry.clear(); if (!hideDetails && DisplayUtils.hasCentralPane(getActivity())) { selectedEntry.add(entry); } if (hideDetails) { selectedEntry.clear(); onItemUnselected(entry); displayTitle(); } else { onItemSelected(entry); } adapter.notifyDataSetChanged(); } protected void onItemSelected(ActivityEntry item) { if (item.getType() != null && item.getType().startsWith(ActivityFeedAdapter.PREFIX_DATALIST)) { return; } // Inconsistency between cloud and on premise. String identifier = item.getData(CloudConstant.NODEREF_VALUE); if (identifier == null) { identifier = item.getData(CloudConstant.OBJECTID_VALUE); } // User Profile if (item.getType().startsWith(ActivityFeedAdapter.PREFIX_USER)) { UserProfileFragment.with(getActivity()).personId(item.getData(OnPremiseConstant.MEMEBERUSERNAME_VALUE)) .display(); } // Not necessary to enable touch on delete file. if (identifier != null && !TYPE_FILE_DELETE.equals(item.getType())) { NodeDetailsFragment.with(getActivity()).nodeId(identifier).display(); } } protected boolean equalsItems(ActivityEntry o1, ActivityEntry o2) { return !(o1 == null || o2 == null) && o2.equals(o1); } // ////////////////////////////////////////////////////////////////////// // MENU // ////////////////////////////////////////////////////////////////////// public void getMenu(Menu menu) { menu.clear(); MenuFragmentHelper.getMenu(getActivity(), menu); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); if (!MenuFragmentHelper.canDisplayFragmentMenu(getActivity())) { return; } getMenu(menu); } // /////////////////////////////////////////////////////////////////////////// // REQUEST & RESULT // /////////////////////////////////////////////////////////////////////////// @Override protected ArrayAdapter<ActivityEntry> onAdapterCreation() { return new ActivityFeedAdapter(this, R.layout.row_two_lines_caption_divider_circle, new ArrayList<ActivityEntry>(0), selectedEntry); } @Subscribe public void onResult(ActivityStreamEvent event) { super.onResult(event); } // /////////////////////////////////////////////////////////////////////////// // BUILDER // /////////////////////////////////////////////////////////////////////////// public static class Builder extends AlfrescoFragmentBuilder { // /////////////////////////////////////////////////////////////////////////// // CONSTRUCTORS // /////////////////////////////////////////////////////////////////////////// public Builder(FragmentActivity appActivity, Map<String, Object> configuration) { super(appActivity, configuration); viewConfigModel = new ActivitiesConfigModel(); templateArguments = new String[] { ARGUMENT_SITE_SHORTNAME, ARGUMENT_USERNAME }; } // /////////////////////////////////////////////////////////////////////////// // CLICK // /////////////////////////////////////////////////////////////////////////// protected Fragment createFragment(Bundle b) { return newInstanceByTemplate(b); } } }