. , , , Google, , Google API Translate. WPF Json.NET, . !
, ( , ) . :
1. Google API Translate.
2. WPF .
3. C# Google.
4. WPF C#.
Google API Translate
, , google, . google , .
<a href="http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q=">http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q=</a>[ ]&langpair=[ ]
REST-, API -. , , REST.
Google :
{"responseData": {"translatedText":"[ ]"}, "responseDetails": null, "responseStatus": [ ]} JSON ( , ). . JSON-, Json.NET. : http://json.codeplex.com. , . , , Json.NET.
WPF-
, WPF-. TextBlock, TextBox . 1.
. 1
, WPF, , - , . , ,
, . , , .
:
Stream GetHttpStream(string url). url.
String ConvertStreamTostring(Stream stmSource). stmSource .
void GetTranslateDirection (). , .. , . .
, C# 101 C# Samples. , .
4 :
HttpWebResponse, google ;
, bEnRus. 2- : . . , , GetTranslateDirection().
strOriginal;
strResult;
, , Translate, . , .
. , . TextBox ClassTranslator. Text ( , ) TextBox . Text. , Text . ( ), INotifyPropertyChanged. ( TextBox) . 1 : PropertyChanged.
:
class ClassTranslator: INotifyPropertyChanged
{
String strOriginal;
String strResult;
Boolean bEnRus;
HttpWebResponse wresScrape;
/// <summary>
///
/// </summary>
/// <param name="stmSource"> </param>
/// <returns> </returns>
private string ConvertStreamTostring(Stream stmSource)
{
}
/// <summary>
/// ,
///
/// </summary>
/// <param name="url">,
/// Google
/// </param>
/// <returns> ,
///
/// </returns>
private Stream GetHttpStream(string url)
{
}
#region Properties
/// <summary>
/// -
/// strOriginal
/// </summary>
public string Original
{
///
///
set {strOriginal = value; OnPropertyChanged("Original");}
get {return strOriginal;}
}
/// <summary>
/// -
/// strOriginal
/// </summary>
public string Result
{
get { return strResult;}
}
#endregion
/// <summary>
///
/// </summary>
private void GetTranslateDirection()
{
}
/// <summary>
/// -,
/// </summary>
public void Translate()
{
}
/// <summary>
/// PropertyChanged
/// </summary>
public event PropertyChangedEventHandler PropertyChanged;
/// <summary>
/// ,
///
/// </summary>
/// <param name="strPropertyName"> -, </param>
protected void OnPropertyChanged(string strPropertyName)
{
}
}
. , 3 . , 101 C# Samples, .
/// <summary>
/// ,
///
/// </summary>
private Stream GetHttpStream(string url)
{
///
HttpWebRequest wreqScrape = (HttpWebRequest)(WebRequest.Create(url));
///
wreqScrape.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0b; Windows NT 5.1)";
wreqScrape.Method = "GET";
wreqScrape.Timeout = 10000;
try
{
/// ,
///
wresScrape = (HttpWebResponse)(wreqScrape.GetResponse());
return wresScrape.GetResponseStream();
}
catch
{
///
///
throw new Exception("There was an error retrieving the Web page " +
"you requested. Please check the Url and your connection to " +
"the Internet, and try again.");
}
}/// <summary>
///
/// </summary>
private string ConvertStreamTostring(Stream stmSource)
{
/// ,
///
StreamReader sr = null;
/// -
if (stmSource != null)
{
///
///
try
{
/// StreamReader
sr = new StreamReader(stmSource);
///
///
return sr.ReadToEnd();
}
catch
{
///
///
///
throw new Exception();
}
finally
{
///
/// -
wresScrape.Close();
/// -
sr.Close();
}
}
else
{
return null;
}
} GetTranslateLang(). , . 2 , , , , . 5 (, , , ..), , , . .
/// <summary>
///
/// </summary>
private void GetTranslateDirection()
{
///, -
///
Byte bRus=0;
///, -
///
Byte bEn = 0;
/// -
///
///
Byte bSuccess = (strOriginal.Length<5)?(Byte)strOriginal.Length:(Byte)5;
///
///:
///
///
///
foreach (char c in strOriginal.ToUpper())
{
///
///
if (c >= '' && c <= '') bRus++;
else if (c >= 'A' && c <= 'Z') bEn++;
///:
///
if (bRus == bSuccess) { bEnRus = false; break; }
else if (bEn == bSuccess) { bEnRus = true; break; }
}
}Translate. : google- strOriginal bEnRus, , strResult. , .
/// <summary>
/// -,
/// </summary>
public void Translate()
{
///
GetTranslateDirection();
///
/// -
StringBuilder sb=new StringBuilder(@"http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&q=");
///
sb.Append(strOriginal);
sb.Append("&langpair=");
///
sb.Append((bEnRus)?"en|ru":"ru|en");
/// -
strResult = ConvertStreamTostring(GetHttpStream(sb.ToString()));
/// JSON-
JObject o = JObject.Parse(strResult);
///
strResult = o["responseData"].First().First().ToString();
///
///
OnPropertyChanged("Result");
}- . , google :
{"responseData": {"translatedText":"[ ]"}, "responseDetails": null, "responseStatus": [ ]}., responseData . translatedText, .
strResult = o["responseData"].First().First().ToString();
, Json.NET :
, Project->Add Reference( Browse ), ;
using Newtonsoft.Json.Linq;
, : . , WPF , , .
, 2 TextBox, , - .
XAML:
<TextBox Height="212" HorizontalAlignment="Left" Margin="12,32,0,0" Name="textBoxOriginal" VerticalAlignment="Top" Width="234" Grid.ColumnSpan="3" /> <TextBox Height="211" HorizontalAlignment="Right" Margin="0,32,12,0" Name="textBoxResult" VerticalAlignment="Top" Width="238" Grid.Column="2" />
Text ClassTranslate. :
<TextBox Text="{Binding Path=Original,UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=Result,UpdateSourceTrigger=PropertyChanged}"/>
Path , , .
, - . OneWay, .. . , ( ), - , . , , , strOriginal . , strOriginal -TwoWay. :
<TextBox Text="{Binding Path=Original, Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" />
<TextBox Text="{Binding Path=Result, Mode=OneWay,UpdateSourceTrigger=PropertyChanged}" />. , , , .. . ,
ClassTranslator translator = new ClassTranslator();
DataContext .
public MainWindow()
{
InitializeComponent();
MainGrid.DataContext=translator;
}. Translate
private void buttonTranslate_Click(object sender, RoutedEventArgs e)
{
translator.Translate();
} , . - .
WPF Json-. , , =) . :
. 5 , , , 5 .
, HTTP, /. , , .
, , ( Google).
, , . !
Written by:
: vr-online.ru
