DetailFiles.java

/**
 * Copyright 2010 Eric Taix 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 com.bigpupdev.synodroid.ui;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.bigpupdev.synodroid.R;
import com.bigpupdev.synodroid.Synodroid;
import com.bigpupdev.synodroid.data.DSMVersion;
import com.bigpupdev.synodroid.data.Task;
import com.bigpupdev.synodroid.data.TaskFile;
import com.bigpupdev.synodroid.data.TaskStatus;
import com.bigpupdev.synodroid.ui.SynodroidFragment;
import com.bigpupdev.synodroid.utils.ActionModeHelper;
import com.bigpupdev.synodroid.action.GetFilesAction;
import com.bigpupdev.synodroid.adapter.FileDetailAdapter;

import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;

/**
 * This activity displays a task's details
 * 
 * @author Eric Taix (eric.taix at gmail.com)
 */
public class DetailFiles extends SynodroidFragment{
	FileDetailAdapter fileAdapter;
	private ListView filesListView;
		
	private Activity a;

	public ActionModeHelper mCurrentActionMode;

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		// ignore orientation change
		super.onConfigurationChanged(newConfig);
	}

	@Override
	public void handleMessage(Message msgP) {
		((DetailActivity)a).handleMessage(msgP);
	}
	
	public void resetList(){
		try{
			if (((Synodroid)((DetailActivity)a).getApplication()).DEBUG) Log.v(Synodroid.DS_TAG,"DetailFiles: Reseting file list.");
		}
		catch (Exception ex){/*DO NOTHING*/}
		
		if (fileAdapter != null)
			fileAdapter.updateFiles(new ArrayList<TaskFile>());
	}
	
	public void updateEmptyValues(String text, boolean showPB){
		if (filesListView != null){
			View empty = filesListView.getEmptyView();
			if (empty != null){
				ProgressBar pb = (ProgressBar) empty.findViewById(R.id.empty_pb);
				TextView tv = (TextView) empty.findViewById(R.id.empty_text);
				if (showPB){
					pb.setVisibility(View.VISIBLE);
				}
				else{
					pb.setVisibility(View.GONE);
				}
				
				tv.setText(text);
			}
		}
	}
	
	/* (non-Javadoc)
	 * 
	 * @see android.app.Activity#onCreate(android.os.Bundle)
	 */
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
		super.onCreateView(inflater, container, savedInstanceState);
		a = this.getActivity();
		Synodroid app = (Synodroid) a.getApplication();
		try{
			if (((Synodroid)((DetailActivity)a).getApplication()).DEBUG) Log.v(Synodroid.DS_TAG,"DetailFiles: Creating file list fragment.");
		}
		catch (Exception ex){/*DO NOTHING*/}
		
		// Get the details intent
		Intent intent = a.getIntent();
		Task task = (Task) intent.getSerializableExtra("com.bigpupdev.synodroid.ds.Details");
	
		mCurrentActionMode = ((BaseActivity) getActivity()).getActionModeHelper();
		
		View v = inflater.inflate(R.layout.detail_files, null);

		filesListView = (ListView) v.findViewById(android.R.id.list);
		DSMVersion vers = null;
		try{
			vers = app.getServer().getDsmVersion();
		}
		catch (NullPointerException e){
			try{
				if (((Synodroid)((DetailActivity)a).getApplication()).DEBUG) Log.e(Synodroid.DS_TAG,"DetailFiles: Could not get DSM Version.");
			}
			catch (Exception ex){/*DO NOTHING*/}
		}
		fileAdapter = new FileDetailAdapter(this, task, vers);
		filesListView.setAdapter(fileAdapter);
		filesListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
		filesListView.setSelector(R.drawable.list_selector);
		filesListView.setFocusableInTouchMode(false);
		filesListView.setOnItemClickListener(fileAdapter);
		View empty = v.findViewById(android.R.id.empty);
		
		filesListView.setEmptyView(empty);
		
		if (!task.isTorrent && !task.isNZB){
			updateEmptyValues(getString(R.string.empty_file_list_wrong_type), false);
		}
		else if (!task.status.equals(TaskStatus.TASK_DOWNLOADING.name()) && !task.status.equals(TaskStatus.TASK_SEEDING.name())){
			updateEmptyValues(a.getString(R.string.empty_file_list), false);
		}
		else{
			app.executeAsynchronousAction(this, new GetFilesAction(task), false);
		}
		setRetainInstance(true);
		return v;
	}

	public void finish() {
		getActivity().finish();
	}
	
	// List of checkbox and task
	public List<TaskFile> checked_tasks = new ArrayList<TaskFile>();
	public List<Integer> checked_tasks_id = new ArrayList<Integer>();
	
	public void resetChecked(){
		try{
			if (((Synodroid)getActivity().getApplication()).DEBUG) Log.v(Synodroid.DS_TAG,"DetailFiles: Resetting check selection.");
		}catch (Exception ex){/*DO NOTHING*/}
		
		checked_tasks = new ArrayList<TaskFile>();
		checked_tasks_id = new ArrayList<Integer>();
		fileAdapter.clearTasksSelection();
		for (int i = 0; i < fileAdapter.getCount(); i++){
			filesListView.setItemChecked(i, false);
		}
	
	}
	
	public void validateChecked(ArrayList<Integer> currentTasks){
		try{
			if (((Synodroid)getActivity().getApplication()).DEBUG) Log.v(Synodroid.DS_TAG,"DetailFiles: Validating checked items.");
		}catch (Exception ex){/*DO NOTHING*/}
		
		List<Integer> toDel = new ArrayList<Integer>();
		
		for (Integer i : checked_tasks_id) {
			if (!currentTasks.contains(i)){
				toDel.add(checked_tasks_id.indexOf(i));
			}
		}
		Collections.sort(toDel, Collections.reverseOrder());
		
		for (Integer pos : toDel){
			try{
				checked_tasks.remove(pos.intValue());
			}catch (IndexOutOfBoundsException e){ /*IGNORE*/}
			try{
				checked_tasks_id.remove(pos.intValue());
			}catch (IndexOutOfBoundsException e){ /*IGNORE*/}
		}
		
		if (checked_tasks_id.size() == 0){
			mCurrentActionMode.stopActionMode();
		}
		else{
			String selected = getActivity().getString(R.string.selected);
			mCurrentActionMode.setTitle(Integer.toString(checked_tasks_id.size()) +" "+ selected);
		}
	}
	
	public void checkView(TaskFile t, View v,  boolean check) {
		if (check){
			v.setBackgroundResource(R.drawable.list_item_selector_highlighted);
			
			Intent intent = a.getIntent();
			Task task = (Task) intent.getSerializableExtra("com.bigpupdev.synodroid.ds.Details");
		
			if (checked_tasks_id.contains(t.id)) return;
			t.selected = true;
			
			try{
				if (((Synodroid)getActivity().getApplication()).DEBUG) Log.d(Synodroid.DS_TAG,"DetailFiles: File id "+t.id+" checked.");
			}catch (Exception ex){/*DO NOTHING*/}
			
			mCurrentActionMode.startActionMode(this, task);
			checked_tasks.add(t);
			checked_tasks_id.add(t.id);
		}
		else{
			v.setBackgroundResource(R.drawable.list_item_selector_default);
			if (!checked_tasks_id.contains(t.id)) return;
			t.selected = false;
			
			try{
				if (((Synodroid)getActivity().getApplication()).DEBUG) Log.d(Synodroid.DS_TAG,"DetailFiles: File id "+t.id+" unchecked.");
			}catch (Exception ex){/*DO NOTHING*/}

			checked_tasks.remove(t);
			checked_tasks_id.remove(checked_tasks_id.indexOf(t.id));
			if (checked_tasks_id.size() == 0){
				if (!mCurrentActionMode.terminating){
					mCurrentActionMode.stopActionMode();
				}
			}
		}
		String selected = getActivity().getString(R.string.selected);
		mCurrentActionMode.setTitle(Integer.toString(checked_tasks_id.size()) +" "+ selected);
	}
}