package com.example.rattapongt.selerdbsystem;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class EditActivity extends Activity implements OnClickListener {
EditText etId, etTitle, etDesc, etPrice, etSaler, etDate;
Button btnUpdate, btnDelete;
int pro_id;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_edit);
etId = (EditText)findViewById(R.id.etId);
etTitle = (EditText)findViewById(R.id.etTitle);
etDesc = (EditText)findViewById(R.id.etDesc);
etPrice = (EditText)findViewById(R.id.etPrice);
etSaler = (EditText)findViewById(R.id.etSaler);
etDate = (EditText)findViewById(R.id.etDate);
btnUpdate = (Button)findViewById(R.id.btnUpdate);
btnDelete = (Button)findViewById(R.id.btnDelete);
btnUpdate.setOnClickListener(this);
btnDelete.setOnClickListener(this);
Bundle extras = getIntent().getExtras();
if(extras == null){
return;
}
pro_id = extras.getInt("pro_id");
etId.setText("" + pro_id);
ReadData task1 = new ReadData();
task1.execute(new String[]{"http://10.0.2.2:8012/home_onlinesale/?format=json&id=" + pro_id});
}
Product product = new Product();
private class ReadData extends AsyncTask<String, Void, Boolean>{
private ProgressDialog dialog = new ProgressDialog(EditActivity.this);
private String error;
InputStream is1;
String text = "";
@Override
protected void onPreExecute() {
dialog.setMessage("Reading Data...");
dialog.show();
}
@Override
protected Boolean doInBackground(String... urls) {
for(String url: urls){
try {
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
HttpResponse response = client.execute(post);
is1 = response.getEntity().getContent();
} catch (ClientProtocolException e) {
error = "ClientProtocolException: " + e.getMessage();
return false;
} catch (IOException e) {
error = "ClientProtocolException: " + e.getMessage();
}
}
BufferedReader reader;
try {
reader = new BufferedReader(new InputStreamReader(is1 ,"iso-8859-1"), 8);
String line = null;
while ((line = reader.readLine()) != null) {
text += line + "\n";
}
is1.close();
} catch (UnsupportedEncodingException e) {
error = "Unsupport Encoding: " + e.getMessage();
} catch (IOException e) {
error = "Error IO: " + e.getMessage();
}
try {
JSONArray jArray = new JSONArray(text);
for(int i=0; i<jArray.length(); i++){
JSONObject json = jArray.getJSONObject(i);
product.setId(json.getInt("pro_id"));
product.setTitle(json.getString("pro_title"));
product.setDesc(json.getString("pro_desc"));
product.setPrice(json.getDouble("pro_price"));
product.setSaler(json.getString("pro_saler"));
product.setDate(json.getString("pro_date"));
}
} catch (JSONException e) {
error = "Error Convert to JSON or Error JSON Format: " + e.getMessage();
}
return true;
}
@Override
protected void onPostExecute(Boolean result) {
if(dialog.isShowing()){
dialog.dismiss();
}
if(result == false){
Toast.makeText(EditActivity.this, error, Toast.LENGTH_LONG).show();
}
else{
etTitle.setText(product.getTitle());
etDesc.setText(product.getDesc());
etPrice.setText("" + product.getPrice());
etSaler.setText(product.getSaler());
etDate.setText(product.getDate());
}
}
}//End of private class ReadData
String updateTrigger = "";
@Override
public void onClick(View sender) {
if(sender.getId() == R.id.btnUpdate){
UpdateData taskUpdate = new UpdateData();
updateTrigger = "Update";
taskUpdate.execute(new String[]{"http://10.0.2.2:8012/home_onlinesale/edit.php?id="+pro_id});
Intent in = new Intent(this, MainActivity.class);
startActivity(in);
}
else if(sender.getId() == R.id.btnDelete){
Builder msgBox = new AlertDialog.Builder(this);
msgBox.setTitle("Delete Confirmation");
msgBox.setMessage("Are you sure to delete it?");
msgBox.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// TODO Auto-generated method stub
}
});
msgBox.setPositiveButton("Delete", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
UpdateData taskUpdate = new UpdateData();
updateTrigger = "Delete";
taskUpdate.execute(new String[]{"http://10.0.2.2:8012/home_onlinesale/edit.php?id="+pro_id});
Intent in = new Intent(EditActivity.this, MainActivity.class);
startActivity(in);
}
});
msgBox.show();
}
}
private class UpdateData extends AsyncTask<String, Void, Boolean>{
private ProgressDialog dialog = new ProgressDialog(EditActivity.this);
private String error;
String text = "";
@Override
protected void onPreExecute() {
dialog.setMessage("Editting Data...");
dialog.show();
}
InputStream is1;
@Override
protected Boolean doInBackground(String... urls) {
setOn
for(String url: urls){
try {
ArrayList<NameValuePair> pairs = new ArrayList<NameValuePair>();
pairs.add(new BasicNameValuePair("btnSubmit", updateTrigger));
pairs.add(new BasicNameValuePair("txtProTitle", etTitle.getText().toString()));
pairs.add(new BasicNameValuePair("txtProDesc", etDesc.getText().toString()));
pairs.add(new BasicNameValuePair("txtProPrice", etPrice.getText().toString()));
pairs.add(new BasicNameValuePair("txtProSaler", etSaler.getText().toString()));
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
post.setEntity(new UrlEncodedFormEntity(pairs));
HttpResponse response = client.execute(post);
is1 = response.getEntity().getContent();
} catch (ClientProtocolException e) {
error = "ClientProtocolException: " + e.getMessage();
return false;
} catch (IOException e) {
error = "ClientProtocolException: " + e.getMessage();
}
}
return true;
}
@Override
protected void onPostExecute(Boolean result) {
if(dialog.isShowing()){
dialog.dismiss();
}
if(result == false){
Toast.makeText(EditActivity.this, error, Toast.LENGTH_LONG).show();
}
else{
if(is1 == null){
Toast.makeText(EditActivity.this, "Sending Wrong Parameters", Toast.LENGTH_LONG).show();
}
else{
Toast.makeText(EditActivity.this, "Edit Success", Toast.LENGTH_LONG).show();
}
}
}
}
}
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