Java tutorial
/* * Copyright (c) 2014 Jakob Wenzel, Ramon Wirsch. * * This file is part of RallyeSoft. * * RallyeSoft is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * RallyeSoft is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with RallyeSoft. If not, see <http://www.gnu.org/licenses/>. */ package de.stadtrallye.rallyesoft.fragments; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; import com.nostra13.universalimageloader.core.ImageLoader; import java.util.List; import de.rallye.model.structures.AdditionalPicture; import de.rallye.model.structures.AdditionalResource; import de.rallye.model.structures.PictureSize; import de.rallye.model.structures.Submission; import de.rallye.model.structures.Task; import de.stadtrallye.rallyesoft.PictureGalleryActivity; import de.stadtrallye.rallyesoft.R; import de.stadtrallye.rallyesoft.SubmitNewSolutionActivity; import de.stadtrallye.rallyesoft.common.Std; import de.stadtrallye.rallyesoft.model.Server; import de.stadtrallye.rallyesoft.model.pictures.PictureGallery; import de.stadtrallye.rallyesoft.model.tasks.ITask; import de.stadtrallye.rallyesoft.model.tasks.ITaskManager; import de.stadtrallye.rallyesoft.net.PictureIdResolver; import de.stadtrallye.rallyesoft.threading.Threading; import de.stadtrallye.rallyesoft.widget.AdapterView; import de.stadtrallye.rallyesoft.widget.GridView; /** * List of all Tasks that have no location attached to them */ public class TaskDetailsFragment extends Fragment implements AdapterView.OnItemClickListener, ITask.ITaskListener { private static final String THIS = TaskDetailsFragment.class.getSimpleName(); //Views private TextView name; private TextView desc; private GridView additionalGrid; private Button submit; private TextView type; private ListView list; //Adapters private AdditionalGridAdapter gridAdapter; private SubmissionListAdapter submissionAdapter; //Logic private ITaskManager taskManager; private ITask task; private PictureIdResolver imageResolver; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Server server = Server.getCurrentServer(); taskManager = server.acquireTaskManager(this); imageResolver = server.getPictureResolver(); task = taskManager.getTask(getArguments().getInt(Std.TASK_ID)); setHasOptionsMenu(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { list = (ListView) inflater.inflate(R.layout.tasks_details, container, false); View header = inflater.inflate(R.layout.task_details_header, list, false); View footer = inflater.inflate(R.layout.task_details_footer, list, false); name = (TextView) header.findViewById(R.id.task_name); type = (TextView) header.findViewById(R.id.task_type); desc = (TextView) header.findViewById(R.id.task_description); additionalGrid = (GridView) header.findViewById(R.id.additional_info); // submissionsList = (ListView) v.findViewById(R.id.submissions); gridAdapter = new AdditionalGridAdapter(); additionalGrid.setAdapter(gridAdapter); additionalGrid.setOnItemClickListener(this); list.addHeaderView(header); list.addFooterView(footer); submissionAdapter = new SubmissionListAdapter(); list.setAdapter(submissionAdapter); submit = (Button) footer.findViewById(R.id.submit); submit.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { submitNewSolution(); } }); return list; } private void updateTaskInfo() { name.setText(task.getName()); desc.setText(task.getDescription()); // type.setText(); gridAdapter.notifyDataSetChanged(); } @Override public void onStart() { super.onStart(); updateTaskInfo(); task.addListener(this); List<Submission> submissions = task.getSubmissions(); if (submissions != null) { submissionAdapter.changeList(submissions); } else { task.updateSubmissions(); } } @Override public void onStop() { super.onStop(); task.removeListener(this); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { MenuItem submitItem = menu.add(Menu.NONE, R.id.submit_menu, Menu.NONE, R.string.submit_new_solution); submitItem.setIcon(R.drawable.ic_send_now_light); submitItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.submit_menu: submitNewSolution(); return true; default: return false; } } private void submitNewSolution() { Intent intent = new Intent(getActivity(), SubmitNewSolutionActivity.class); intent.putExtra(Std.SUBMIT_TYPE, task.getSubmitType()); intent.putExtra(Std.TASK_ID, task.getTaskID()); startActivityForResult(intent, SubmitNewSolutionActivity.REQUEST_CODE); } @Override public void onItemClick(AdapterView parent, View view, int position, long id) { Intent intent = new Intent(getActivity(), PictureGalleryActivity.class); final List<AdditionalResource> additionalResources = task.getAdditionalResources(); String[] pics = new String[additionalResources.size()]; for (int i = 0; i < additionalResources.size(); ++i) { pics[i] = ((AdditionalPicture) additionalResources.get(i)).pictureHash; } intent.putExtra(Std.PICTURE_GALLERY, new PictureGallery(position, pics, imageResolver)); startActivity(intent); } // @Override // public void onActivityResult(int requestCode, int resultCode, Intent data) { // Log.v(THIS, "got result: " + resultCode); // if (resultCode== Activity.RESULT_OK) { // // Log.v(THIS, "need to update submissions"); // } // } @Override public void onSubmissionsChanged(List<Submission> submissions) { submissionAdapter.changeList(submissions); } @Override public void onTaskChange() { updateTaskInfo(); } @Override public Handler getCallbackHandler() { return Threading.getUiExecutor(); } private class AdditionalGridAdapter extends BaseAdapter { private final ImageLoader loader; public AdditionalGridAdapter() { this.loader = ImageLoader.getInstance(); } @Override public boolean hasStableIds() { return true; } @Override public int getCount() { return (task.getAdditionalResources() != null) ? task.getAdditionalResources().size() : 0; } @Override public Object getItem(int position) { return task.getAdditionalResources().get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { AdditionalPicture pic = (AdditionalPicture) task.getAdditionalResources().get(position); ImageView v = (ImageView) convertView; if (v == null) { v = new ImageView(getActivity()); // v.setAdjustViewBounds(true); // v.setLayoutParams(new GridLayout.LayoutParams(-1,-1)); v.setScaleType(ImageView.ScaleType.CENTER_INSIDE); } loader.displayImage(imageResolver.resolvePictureID(pic.pictureHash, PictureSize.Mini), v); return v; } } private class SubmissionListAdapter extends BaseAdapter { private final LayoutInflater inflator; private List<Submission> submissions; private final ImageLoader loader; /*private class ViewMem { public ImageView img; }*/ public SubmissionListAdapter() { this.loader = ImageLoader.getInstance(); this.inflator = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE); } @Override public boolean hasStableIds() { return true; } public void changeList(List<Submission> submissions) { Log.d(THIS, "New List backing SubmissionAdapter, " + ((submissions != null) ? submissions.size() : 0) + " items"); this.submissions = submissions; notifyDataSetChanged(); } @Override public int getCount() { return (submissions != null) ? submissions.size() : 0; } @Override public Object getItem(int position) { return submissions.get(position); } @Override public long getItemId(int position) { return submissions.get(position).submissionID; } @Override public View getView(int position, View convertView, ViewGroup parent) { Submission sub = submissions.get(position); // View v; // ViewMem mem; // // // if (convertView == null) { // v = inflator.inflate(R.layout.submission_item, null); // mem = new ViewMem(); // mem.img = (ImageView) v.findViewById(R.id.image); // v.setTag(mem); // } else { // v = convertView; // mem = (ViewMem) v.getTag(); // } //Is it image? if ((sub.submitType & Task.TYPE_PICTURE) > 0) { ImageView v = (ImageView) convertView; if (v == null) { v = new ImageView(getActivity()); // v.setAdjustViewBounds(true); // v.setLayoutParams(new GridLayout.LayoutParams(-1,-1)); v.setScaleType(ImageView.ScaleType.CENTER_INSIDE); } String picHash = sub.picSubmission; if (picHash == null) return v; loader.displayImage(imageResolver.resolvePictureID(picHash, PictureSize.Mini), v); return v; } else { //We currently only support text and num,bers TextView v = (TextView) convertView; if (v == null) { v = new TextView(getActivity()); } if (sub.intSubmission != null) v.setText(sub.intSubmission.toString()); else v.setText(sub.textSubmission); return v; } } } }