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MIT License
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package co.realtime.sample; /* ww w . j a v a2 s .c o m*/ import android.app.ActionBar; import android.app.Activity; import android.app.Fragment; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.os.Bundle; import android.support.v13.app.FragmentPagerAdapter; import android.support.v4.view.ViewPager; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ListView; import java.util.ArrayList; import java.util.Calendar; import java.util.LinkedHashMap; import java.util.Locale; import adapters.TodoCustomAdapter; import co.realtime.storage.ItemAttribute; import co.realtime.storage.ItemSnapshot; import config.Config; import handlers.StorageHandler; import helpers.ListNameHelper; import listeners.ClickListener; import listeners.EditorListener; public class MainActivity extends Activity implements TodoCustomAdapter.TodoCustomAdapterReceiver { /** * The {@link android.support.v4.view.PagerAdapter} that will provide * fragments for each of the sections. We use a * {@link FragmentPagerAdapter} derivative, which will keep every * loaded fragment in memory. If this becomes too memory intensive, it * may be best to switch to a * {@link android.support.v13.app.FragmentStatePagerAdapter}. */ SectionsPagerAdapter mSectionsPagerAdapter; /** * The {@link android.support.v4.view.ViewPager} that will host the section contents. */ ViewPager mViewPager; private static TodoCustomAdapter tcAdapter; private int taskScope; //0 - all, 1 - active, 2 - completed private ArrayList<LinkedHashMap<String, ItemAttribute>> items = new ArrayList<LinkedHashMap<String, ItemAttribute>>(); private final ArrayList<LinkedHashMap<String, ItemAttribute>> itemsToShow = new ArrayList<LinkedHashMap<String, ItemAttribute>>(); private boolean selectAllAction; public boolean isSelectAllAction() { return selectAllAction; } public void setSelectAllAction(boolean selectAllAction) { this.selectAllAction = selectAllAction; } public ArrayList<LinkedHashMap<String, ItemAttribute>> getItems() { return items; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getWindow().requestFeature(Window.FEATURE_ACTION_BAR); setContentView(R.layout.activity_main); selectAllAction = true; taskScope = 0; tcAdapter = new TodoCustomAdapter(this, R.layout.task_item, itemsToShow); tcAdapter.setActionsReceiver(this); // Set up the action bar. final ActionBar actionBar = getActionBar(); actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); StorageHandler.getInstance(this).setListName(ListNameHelper.generateRandomList()); // Create the adapter that will return a fragment for each of the three // primary sections of the activity. mSectionsPagerAdapter = new SectionsPagerAdapter(getFragmentManager()); // Set up the ViewPager with the sections adapter. mViewPager = (ViewPager) findViewById(R.id.pager); mViewPager.setAdapter(mSectionsPagerAdapter); // When swiping between different sections, select the corresponding // tab. We can also use ActionBar.Tab#select() to do this if we have // a reference to the Tab. mViewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() { @Override public void onPageSelected(int position) { actionBar.setSelectedNavigationItem(position); } }); // For each of the sections in the app, add a tab to the action bar. for (int i = 0; i < mSectionsPagerAdapter.getCount(); i++) { // Create a tab with text corresponding to the page title defined by // the adapter. Also specify this Activity object, which implements // the TabListener interface, as the callback (listener) for when // this tab is selected. actionBar.addTab( actionBar.newTab() .setText(mSectionsPagerAdapter.getPageTitle(i)) .setTabListener(new ActionBar.TabListener() { @Override public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) { switch(tab.getPosition()){ case 0: taskScope = 0; break; case 1: taskScope = 1; break; case 2: taskScope = 2; break; } updateListView(); } @Override public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) { } @Override public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) { } })); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } @Override public void btRemovePressed(int position) { LinkedHashMap<String, ItemAttribute> item = items.get(position); StorageHandler.getInstance(this).storageDel(item); items.remove(position); updateListView(); } @Override public void btStatePressed(int position) { LinkedHashMap<String, ItemAttribute> item = items.get(position); ItemAttribute ia = item.get("state"); if(ia.compareTo(new ItemAttribute(1))==0){ item.put("state", new ItemAttribute(0)); } else { item.put("state", new ItemAttribute(1)); } StorageHandler.getInstance(this).storageSet(item); updateListView(); } /** * A {@link FragmentPagerAdapter} that returns a fragment corresponding to * one of the sections/tabs/pages. */ public class SectionsPagerAdapter extends FragmentPagerAdapter { public SectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { // getItem is called to instantiate the fragment for the given page. // Return a PlaceholderFragment (defined as a static inner class below). return PlaceholderFragment.newInstance(position + 1); } @Override public int getCount() { // Show 3 total pages. return 3; } @Override public CharSequence getPageTitle(int position) { Locale l = Locale.getDefault(); switch (position) { case 0: return getString(R.string.title_section1).toUpperCase(l); case 1: return getString(R.string.title_section2).toUpperCase(l); case 2: return getString(R.string.title_section3).toUpperCase(l); } return null; } } /** * A placeholder fragment containing a simple view. */ public static class PlaceholderFragment extends Fragment { /** * The fragment argument representing the section number for this * fragment. */ private static final String ARG_SECTION_NUMBER = "section_number"; /** * Returns a new instance of this fragment for the given section * number. */ public static PlaceholderFragment newInstance(int sectionNumber) { PlaceholderFragment fragment = new PlaceholderFragment(); Bundle args = new Bundle(); args.putInt(ARG_SECTION_NUMBER, sectionNumber); fragment.setArguments(args); return fragment; } public PlaceholderFragment() { } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_main, container, false); EditText tableName = (EditText) rootView.findViewById(R.id.editTextTableName); tableName.setText(StorageHandler.getInstance(getActivity()).getListName()); EditText editTextTask = (EditText) rootView.findViewById(R.id.editTextTask); EditorListener editorActionListener = new EditorListener(getActivity()); tableName.setOnEditorActionListener(editorActionListener); editTextTask.setOnEditorActionListener(editorActionListener); ImageButton buttonCompleteAll = (ImageButton) rootView.findViewById(R.id.buttonCompleteAll); buttonCompleteAll.setOnClickListener(new ClickListener(getActivity())); ListView listViewTasks = (ListView) rootView.findViewById(R.id.listViewTasks); listViewTasks.setAdapter(tcAdapter); StorageHandler.getInstance(getActivity()).getItems(); StorageHandler.getInstance(getActivity()).storageOn(); return rootView; } } public void onKeyboardDone(){ String newListName = ((EditText)findViewById(R.id.editTextTableName)).getText().toString(); String newTask = ((EditText)findViewById(R.id.editTextTask)).getText().toString(); if(newTask.length() > 0){ LinkedHashMap<String, ItemAttribute> itemToPut = new LinkedHashMap<String, ItemAttribute>(); itemToPut.put(Config.PRIMARY_KEY, new ItemAttribute(StorageHandler.getInstance(this).getListName())); Calendar cal = Calendar.getInstance(); long secondsSinceEpoch = cal.getTimeInMillis() / 1000L; itemToPut.put(Config.SECONDARY_KEY, new ItemAttribute(secondsSinceEpoch)); itemToPut.put("task", new ItemAttribute(newTask)); itemToPut.put("state", new ItemAttribute(0)); StorageHandler.getInstance(this).storagePush(itemToPut); items.add(itemToPut); updateListView(); ((EditText)findViewById(R.id.editTextTask)).setText(""); } if(!newListName.equals(StorageHandler.getInstance(this).getListName())){ //new list name StorageHandler.getInstance(this).storageOff(); items.clear(); StorageHandler.getInstance(this).setListName(newListName); StorageHandler.getInstance(this).getItems(); StorageHandler.getInstance(this).storageOn(); } } public void updateListView(){ runOnUiThread(new Runnable(){ @Override public void run() { itemsToShow.clear(); for(LinkedHashMap<String, ItemAttribute> item : items){ if(checkIfItemInScope(item)){ itemsToShow.add(item); } } tcAdapter.notifyDataSetChanged(); }}); } private boolean checkIfItemInScope(LinkedHashMap<String, ItemAttribute> item){ if(taskScope==0) return true; if(taskScope==1 && item.get("state").compareTo(new ItemAttribute(0))==0) return true; if(taskScope==2 && item.get("state").compareTo(new ItemAttribute(1))==0) return true; return false; } public void clearItems(){ items.clear(); } public void getItems(ItemSnapshot item){ if(item!=null) { int idx = getIndexOfItemSnapshot(item); if (idx >= 0) { items.set(idx, item.val()); } else { items.add(item.val()); } updateListView(); } } public void updateItems(ItemSnapshot itemSnapshot){ int idx = getIndexOfItemSnapshot(itemSnapshot); if (idx >= 0) { items.set(idx, itemSnapshot.val()); } else { items.add(itemSnapshot.val()); } updateListView(); } public void deleteItems(ItemSnapshot itemSnapshot){ int idx = getIndexOfItemSnapshot(itemSnapshot); if(idx>=0){ items.remove(idx); updateListView(); } } private int getIndexOfItemSnapshot(ItemSnapshot item){ if(item != null) { ItemAttribute iTimestamp = item.val().get(Config.SECONDARY_KEY); for (int i = 0; i < items.size(); i++) { LinkedHashMap<String, ItemAttribute> is = items.get(i); if (is != null) { ItemAttribute ist = is.get(Config.SECONDARY_KEY); if (ist != null) { if (ist.compareTo(iTimestamp) == 0) { return i; } } } } } return -1; } }