Java tutorial
/** * Copyright (C) 2015 Orange * <p/> * This software is distributed under the terms and conditions of the 'Apache-2.0' * license which can be found in the file 'LICENSE' in this package distribution * or at 'http://www.apache.org/licenses/LICENSE-2.0'. */ package com.orange.datavenue; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.ListFragment; import android.support.v4.content.ContextCompat; import android.support.v4.widget.SwipeRefreshLayout; import android.support.v7.app.AppCompatActivity; import android.support.v7.view.ActionMode; 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.AdapterView; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.TextView; import com.orange.datavenue.adapter.DatasourceAdapter; import com.orange.datavenue.client.Config; import com.orange.datavenue.client.model.Callback; import com.orange.datavenue.client.model.Datasource; import com.orange.datavenue.client.model.Page; import com.orange.datavenue.model.Model; import com.orange.datavenue.operation.CreateDatasourceOperation; import com.orange.datavenue.operation.DeleteDatasourceOperation; import com.orange.datavenue.operation.GetDatasourcesOperation; import com.orange.datavenue.utils.Errors; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.List; /** * @author Stphane SANDON */ public class DatasourceListFragment extends ListFragment { private static final String TAG_NAME = DatasourceListFragment.class.getSimpleName(); private DatasourceAdapter mDatasourceAdapter; private List<Datasource> mDatasources = new ArrayList<Datasource>(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.d(TAG_NAME, "onCreate()"); setHasOptionsMenu(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Log.d(TAG_NAME, "onCreateView()"); View view = inflater.inflate(R.layout.datasource_fragment_layout, container, false); ListView listView = (ListView) view.findViewById(android.R.id.list); final ScrollChildSwipeRefreshLayout swipeRefreshLayout = (ScrollChildSwipeRefreshLayout) view .findViewById(R.id.refresh_layout); swipeRefreshLayout.setColorSchemeColors(getActivity().getResources().getColor(R.color.orange), getActivity().getResources().getColor(R.color.hint_color), getActivity().getResources().getColor(R.color.hint_color)); swipeRefreshLayout.setScrollUpChild(listView); swipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() { @Override public void onRefresh() { getDatasources(); } }); return view; } private void setLoadingIndicator(final boolean active) { if (getView() == null) { return; } final SwipeRefreshLayout srl = (SwipeRefreshLayout) getView().findViewById(R.id.refresh_layout); srl.post(new Runnable() { @Override public void run() { srl.setRefreshing(active); } }); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); Log.d(TAG_NAME, "onViewCreated()"); if (mDatasourceAdapter == null) { mDatasourceAdapter = new DatasourceAdapter(getActivity(), R.layout.datasource_item, R.id.name, mDatasources); setListAdapter(mDatasourceAdapter); getDatasources(); } getListView().setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Log.d(TAG_NAME, "onClick()"); Model.instance.currentDatasource = (Datasource) parent.getItemAtPosition(position); ((DatasourceActivity) getActivity()).changeLayout(DatasourceActivity.MODE_DETAIL); } }); getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() { @Override public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { Log.d(TAG_NAME, "onItemLongClick()"); Model.instance.currentDatasource = (Datasource) parent.getItemAtPosition(position); mSelected = position; getListView().setItemChecked(mSelected, true); mActionMode = ((AppCompatActivity) getActivity()).startSupportActionMode(mActionModeCallback); return true; } }); } private int mSelected; private ActionMode mActionMode; private ActionMode.Callback mActionModeCallback = new ActionMode.Callback() { @Override public boolean onCreateActionMode(ActionMode mode, Menu menu) { MenuInflater inflater = mode.getMenuInflater(); inflater.inflate(R.menu.menu_mode_datasource, menu); return true; } @Override public boolean onPrepareActionMode(ActionMode mode, Menu menu) { return false; } @Override public boolean onActionItemClicked(ActionMode mode, MenuItem item) { switch (item.getItemId()) { case R.id.action_delete_datasource: deleteDatasource(); mode.finish(); return true; case R.id.action_share_datasource: Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); String message = String.format("%1$s/datasources/%2$s", Config.DEFAULT_BASE_URL, Model.instance.currentDatasource.getId()); sendIntent.putExtra(Intent.EXTRA_TEXT, message); sendIntent.setType("text/plain"); startActivity(sendIntent); mode.finish(); return true; } return false; } @Override public void onDestroyActionMode(ActionMode mode) { Log.d(TAG_NAME, "onDestroyActionMode()"); mActionMode = null; } }; private void setTitle(int num, int total) { if (getActivity() != null) { getActivity().setTitle(String.format(getString(R.string.datasource_activity_count), num, total)); } } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { inflater.inflate(R.menu.menu_datasource, menu); super.onCreateOptionsMenu(menu, inflater); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_add_datasource: createDatasource(); return true; default: break; } return false; } @Override public void onResume() { super.onResume(); Log.d(TAG_NAME, "onResume()"); setTitle(Model.instance.datasources.size(), Model.instance.datasources.size()); } @Override public void onStart() { super.onStart(); Log.d(TAG_NAME, "onStart()"); } @Override public void onStop() { super.onStop(); Log.d(TAG_NAME, "onStop()"); } /** * */ private void getDatasources() { setLoadingIndicator(true); GetDatasourcesOperation getDatasourceOperation = new GetDatasourcesOperation(Model.instance.oapiKey, Model.instance.key, new OperationCallback() { @Override public void process(Object object, Exception exception) { setLoadingIndicator(false); if (exception == null) { Page<List<Datasource>> datasources = (Page<List<Datasource>>) object; Model.instance.datasources = datasources.object; Log.d(TAG_NAME, "datasources received = " + Model.instance.datasources.size()); setTitle(datasources.object.size(), datasources.totalCount); updateAdapter(); } else { Errors.displayError(getActivity(), exception); } } }); getDatasourceOperation.execute(); } /** * */ private void updateAdapter() { Log.d(TAG_NAME, "updateAdapter()"); if (mDatasourceAdapter != null) { mDatasourceAdapter.changeDataSet(Model.instance.datasources); } } /** * */ private void deleteDatasource() { final android.app.Dialog dialog = new android.app.Dialog(getActivity()); dialog.setContentView(R.layout.delete_dialog); dialog.setTitle(R.string.delete); TextView info = (TextView) dialog.findViewById(R.id.info_label); info.setText( String.format(getString(R.string.delete_datasource), Model.instance.currentDatasource.getId())); Button deleteButton = (Button) dialog.findViewById(R.id.delete_button); deleteButton.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View view) { Log.d(TAG_NAME, "datasource : " + Model.instance.currentDatasource.getId()); DeleteDatasourceOperation deleteDatasourceOperation = new DeleteDatasourceOperation( Model.instance.oapiKey, Model.instance.key, Model.instance.currentDatasource, new OperationCallback() { @Override public void process(Object object, Exception exception) { if (exception == null) { getDatasources(); // reload } else { Errors.displayError(getActivity(), exception); } } }); deleteDatasourceOperation.execute(""); dialog.dismiss(); } }); Button cancelDeleteButton = (Button) dialog.findViewById(R.id.cancel_button); cancelDeleteButton.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View arg0) { dialog.dismiss(); } }); dialog.setCancelable(false); dialog.show(); } private void createDatasource() { final android.app.Dialog dialog = new android.app.Dialog(getActivity()); dialog.setContentView(R.layout.create_datasource_dialog); dialog.setTitle(R.string.add_datasource); final LinearLayout callbackLayout = (LinearLayout) dialog.findViewById(R.id.callback_layout); final EditText name = (EditText) dialog.findViewById(R.id.name); final EditText description = (EditText) dialog.findViewById(R.id.description); final EditText serial = (EditText) dialog.findViewById(R.id.serial); final EditText callback = (EditText) dialog.findViewById(R.id.callback); final CheckBox status = (CheckBox) dialog.findViewById(R.id.status); status.setChecked(true); // by default status is activated Button actionButton = (Button) dialog.findViewById(R.id.add_button); actionButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Log.d(TAG_NAME, "name : " + name.getText().toString()); Log.d(TAG_NAME, "description : " + description.getText().toString()); Log.d(TAG_NAME, "serial : " + serial.getText().toString()); Log.d(TAG_NAME, "status : " + status.isChecked()); Datasource newDatasource = new Datasource(); newDatasource.setName(name.getText().toString()); newDatasource.setDescription(description.getText().toString()); newDatasource.setSerial(serial.getText().toString()); String callbackUrl = callback.getText().toString(); if ("".equals(callbackUrl)) { newDatasource.setCallback(null); } else { try { URL url = new URL(callbackUrl); Callback newCallback = new Callback(); newCallback.setUrl(url.toString()); newCallback.setStatus("activated"); newCallback.setName("Callback"); newCallback.setDescription("application callback"); newDatasource.setCallback(newCallback); } catch (MalformedURLException e) { Log.e(TAG_NAME, e.toString()); newDatasource.setCallback(null); callback.setText(""); } } if (status.isChecked()) { newDatasource.setStatus("activated"); } else { newDatasource.setStatus("deactivated"); } CreateDatasourceOperation createDatasourceOperation = new CreateDatasourceOperation( Model.instance.oapiKey, Model.instance.key, newDatasource, new OperationCallback() { @Override public void process(Object object, Exception exception) { if (exception == null) { getDatasources(); } else { Errors.displayError(getActivity(), exception); } } }); createDatasourceOperation.execute(""); dialog.dismiss(); } }); Button cancelButton = (Button) dialog.findViewById(R.id.cancel_button); cancelButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { dialog.dismiss(); } }); dialog.setCancelable(false); dialog.show(); } }