C# (30) – Google Translator

Downloads:

Features:

Google translator desktop version

Notes:

This program gets translation from (https://translate.google.com/)

C# Source Code:

Main.cs

using System;
using System.Linq;
using System.Windows.Forms;

namespace Google_Translator
{
    public partial class Main : Form
    {
        public Main()
        {
            InitializeComponent();
        }

        private void Main_Load(object sender, EventArgs e)
        {
            this._comboFrom.Items.AddRange(Translator.Languages.ToArray());
            this._comboTo.Items.AddRange(Translator.Languages.ToArray());
            this._comboFrom.SelectedItem = "English";
            this._comboTo.SelectedItem = "French";
        }

        #region Button handlers
        private void _lnkSourceEnglish_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            this._comboFrom.SelectedItem = "English";
        }

        private void _lnkTargetEnglish_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            this._comboTo.SelectedItem = "English";
        }

        private void _btnTranslate_Click(object sender, EventArgs e)
        {
            Translator t = new Translator();

            this._editTarget.Text = string.Empty;
            this._editTarget.Update();
            this._translationSpeakUrl = null;

            try
            {
                this.Cursor = Cursors.WaitCursor;
                this._lblStatus.Text = "Translating...";
                this._lblStatus.Update();
                this._editTarget.Text = t.Translate(this._editSourceText.Text.Trim(), (string)this._comboFrom.SelectedItem, (string)this._comboTo.SelectedItem);
                if (t.Error == null)
                {
                    this._editTarget.Update();
                    this._translationSpeakUrl = t.TranslationSpeechUrl;
                }
                else
                {
                    MessageBox.Show(t.Error.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }
            finally
            {
                this._lblStatus.Text = string.Format("Translated in {0} mSec", (int)t.TranslationTime.TotalMilliseconds);
                this.Cursor = Cursors.Default;
            }
        }

        private void _btnSpeak_Click
            (object sender,
             EventArgs e)
        {
            if (!string.IsNullOrEmpty(this._translationSpeakUrl))
            {
                this._webBrowserCtrl.Navigate(this._translationSpeakUrl);
            }
        }

        private void _lnkReverse_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            string from = (string)this._comboFrom.SelectedItem;
            string to = (string)this._comboTo.SelectedItem;
            this._comboFrom.SelectedItem = to;
            this._comboTo.SelectedItem = from;

            this._editSourceText.Text = this._editTarget.Text;
            this._editTarget.Text = string.Empty;
            this.Update();
            this._translationSpeakUrl = string.Empty;
        }

        #endregion

        #region Fields
        private string _translationSpeakUrl;
        #endregion
    }
}

using System;

using System.Linq;

using System.Windows.Forms;

namespace Google_Translator

{

public partial class Main : Form

{

public Main()

{

InitializeComponent();

}

private void Main_Load(object sender, EventArgs e)

{

this._comboFrom.Items.AddRange(Translator.Languages.ToArray());

this._comboTo.Items.AddRange(Translator.Languages.ToArray());

this._comboFrom.SelectedItem = "English";

this._comboTo.SelectedItem = "French";

}

#region Button handlers

private void _lnkSourceEnglish_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

this._comboFrom.SelectedItem = "English";

}

private void _lnkTargetEnglish_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

this._comboTo.SelectedItem = "English";

}

private void _btnTranslate_Click(object sender, EventArgs e)

{

Translator t = new Translator();

this._editTarget.Text = string.Empty;

this._editTarget.Update();

this._translationSpeakUrl = null;

try

{

this.Cursor = Cursors.WaitCursor;

this._lblStatus.Text = "Translating...";

this._lblStatus.Update();

this._editTarget.Text = t.Translate(this._editSourceText.Text.Trim(), (string)this._comboFrom.SelectedItem, (string)this._comboTo.SelectedItem);

if (t.Error == null)

{

this._editTarget.Update();

this._translationSpeakUrl = t.TranslationSpeechUrl;

}

else

{

MessageBox.Show(t.Error.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

}

catch (Exception ex)

{

MessageBox.Show(ex.Message, this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

}

finally

{

this._lblStatus.Text = string.Format("Translated in {0} mSec", (int)t.TranslationTime.TotalMilliseconds);

this.Cursor = Cursors.Default;

}

private void _btnSpeak_Click

(object sender,

EventArgs e)

{

if (!string.IsNullOrEmpty(this._translationSpeakUrl))

{

this._webBrowserCtrl.Navigate(this._translationSpeakUrl);

}

private void _lnkReverse_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)

{

string from = (string)this._comboFrom.SelectedItem;

string to = (string)this._comboTo.SelectedItem;

this._comboFrom.SelectedItem = to;

this._comboTo.SelectedItem = from;

this._editSourceText.Text = this._editTarget.Text;

this._editTarget.Text = string.Empty;

this.Update();

this._translationSpeakUrl = string.Empty;

}

#endregion

#region Fields

private string _translationSpeakUrl;

#endregion

}

Translator.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Web;

namespace Google_Translator
{
    public class Translator
    {
        #region Properties
        public static IEnumerable<string> Languages
        {
            get
            {
                Translator.EnsureInitialized();
                return Translator._languageModeMap.Keys.OrderBy(p => p);
            }
        }

        public TimeSpan TranslationTime
        {
            get;
            private set;
        }

        public string TranslationSpeechUrl
        {
            get;
            private set;
        }

        public Exception Error
        {
            get;
            private set;
        }

        #endregion

        #region Public methods
        public string Translate
            (string sourceText,
             string sourceLanguage,
             string targetLanguage)
        {
            this.Error = null;
            this.TranslationSpeechUrl = null;
            this.TranslationTime = TimeSpan.Zero;
            DateTime tmStart = DateTime.Now;
            string translation = string.Empty;

            try
            {
                string url = string.Format("https://translate.googleapis.com/translate_a/single?client=gtx&sl={0}&tl={1}&dt=t&q={2}",
                                            Translator.LanguageEnumToIdentifier(sourceLanguage),
                                            Translator.LanguageEnumToIdentifier(targetLanguage),
                                            HttpUtility.UrlEncode(sourceText));
                string outputFile = Path.GetTempFileName();
                using (WebClient wc = new WebClient())
                {
                    wc.Headers.Add("user-agent", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36");
                    wc.DownloadFile(url, outputFile);
                }

                if (File.Exists(outputFile))
                {

                    string text = File.ReadAllText(outputFile);
                    int index = text.IndexOf(string.Format(",,\"{0}\"", Translator.LanguageEnumToIdentifier(sourceLanguage)));
                    if (index == -1)
                    {
                        int startQuote = text.IndexOf('\"');
                        if (startQuote != -1)
                        {
                            int endQuote = text.IndexOf('\"', startQuote + 1);
                            if (endQuote != -1)
                            {
                                translation = text.Substring(startQuote + 1, endQuote - startQuote - 1);
                            }
                        }
                    }
                    else
                    {
                        text = text.Substring(0, index);
                        text = text.Replace("],[", ",");
                        text = text.Replace("]", string.Empty);
                        text = text.Replace("[", string.Empty);
                        text = text.Replace("\",\"", "\"");

                        string[] phrases = text.Split(new[] { '\"' }, StringSplitOptions.RemoveEmptyEntries);
                        for (int i = 0; (i < phrases.Count()); i += 2)
                        {
                            string translatedPhrase = phrases[i];
                            if (translatedPhrase.StartsWith(",,"))
                            {
                                i--;
                                continue;
                            }
                            translation += translatedPhrase + "  ";
                        }
                    }

                    translation = translation.Trim();
                    translation = translation.Replace(" ?", "?");
                    translation = translation.Replace(" !", "!");
                    translation = translation.Replace(" ,", ",");
                    translation = translation.Replace(" .", ".");
                    translation = translation.Replace(" ;", ";");

                    this.TranslationSpeechUrl = string.Format("https://translate.googleapis.com/translate_tts?ie=UTF-8&q={0}&tl={1}&total=1&idx=0&textlen={2}&client=gtx",
                                                               HttpUtility.UrlEncode(translation), Translator.LanguageEnumToIdentifier(targetLanguage), translation.Length);
                }
            }
            catch (Exception ex)
            {
                this.Error = ex;
            }

            this.TranslationTime = DateTime.Now - tmStart;
            return translation;
        }

        #endregion

        #region Private methods
        private static string LanguageEnumToIdentifier
            (string language)
        {
            string mode = string.Empty;
            Translator.EnsureInitialized();
            Translator._languageModeMap.TryGetValue(language, out mode);
            return mode;
        }

        private static void EnsureInitialized()
        {
            if (Translator._languageModeMap == null)
            {
                Translator._languageModeMap = new Dictionary<string, string>();
                Translator._languageModeMap.Add("Afrikaans", "af");
                Translator._languageModeMap.Add("Albanian", "sq");
                Translator._languageModeMap.Add("Arabic", "ar");
                Translator._languageModeMap.Add("Armenian", "hy");
                Translator._languageModeMap.Add("Azerbaijani", "az");
                Translator._languageModeMap.Add("Basque", "eu");
                Translator._languageModeMap.Add("Belarusian", "be");
                Translator._languageModeMap.Add("Bengali", "bn");
                Translator._languageModeMap.Add("Bulgarian", "bg");
                Translator._languageModeMap.Add("Catalan", "ca");
                Translator._languageModeMap.Add("Chinese", "zh-CN");
                Translator._languageModeMap.Add("Croatian", "hr");
                Translator._languageModeMap.Add("Czech", "cs");
                Translator._languageModeMap.Add("Danish", "da");
                Translator._languageModeMap.Add("Dutch", "nl");
                Translator._languageModeMap.Add("English", "en");
                Translator._languageModeMap.Add("Esperanto", "eo");
                Translator._languageModeMap.Add("Estonian", "et");
                Translator._languageModeMap.Add("Filipino", "tl");
                Translator._languageModeMap.Add("Finnish", "fi");
                Translator._languageModeMap.Add("French", "fr");
                Translator._languageModeMap.Add("Galician", "gl");
                Translator._languageModeMap.Add("German", "de");
                Translator._languageModeMap.Add("Georgian", "ka");
                Translator._languageModeMap.Add("Greek", "el");
                Translator._languageModeMap.Add("Haitian Creole", "ht");
                Translator._languageModeMap.Add("Hebrew", "iw");
                Translator._languageModeMap.Add("Hindi", "hi");
                Translator._languageModeMap.Add("Hungarian", "hu");
                Translator._languageModeMap.Add("Icelandic", "is");
                Translator._languageModeMap.Add("Indonesian", "id");
                Translator._languageModeMap.Add("Irish", "ga");
                Translator._languageModeMap.Add("Italian", "it");
                Translator._languageModeMap.Add("Japanese", "ja");
                Translator._languageModeMap.Add("Korean", "ko");
                Translator._languageModeMap.Add("Lao", "lo");
                Translator._languageModeMap.Add("Latin", "la");
                Translator._languageModeMap.Add("Latvian", "lv");
                Translator._languageModeMap.Add("Lithuanian", "lt");
                Translator._languageModeMap.Add("Macedonian", "mk");
                Translator._languageModeMap.Add("Malay", "ms");
                Translator._languageModeMap.Add("Maltese", "mt");
                Translator._languageModeMap.Add("Norwegian", "no");
                Translator._languageModeMap.Add("Persian", "fa");
                Translator._languageModeMap.Add("Polish", "pl");
                Translator._languageModeMap.Add("Portuguese", "pt");
                Translator._languageModeMap.Add("Romanian", "ro");
                Translator._languageModeMap.Add("Russian", "ru");
                Translator._languageModeMap.Add("Serbian", "sr");
                Translator._languageModeMap.Add("Slovak", "sk");
                Translator._languageModeMap.Add("Slovenian", "sl");
                Translator._languageModeMap.Add("Spanish", "es");
                Translator._languageModeMap.Add("Swahili", "sw");
                Translator._languageModeMap.Add("Swedish", "sv");
                Translator._languageModeMap.Add("Tamil", "ta");
                Translator._languageModeMap.Add("Telugu", "te");
                Translator._languageModeMap.Add("Thai", "th");
                Translator._languageModeMap.Add("Turkish", "tr");
                Translator._languageModeMap.Add("Ukrainian", "uk");
                Translator._languageModeMap.Add("Urdu", "ur");
                Translator._languageModeMap.Add("Vietnamese", "vi");
                Translator._languageModeMap.Add("Welsh", "cy");
                Translator._languageModeMap.Add("Yiddish", "yi");
                Translator._languageModeMap.Add("Kurdish", "ku");
                Translator._languageModeMap.Add("Mongolian", "mn");
            }
        }
        #endregion

        #region Fields
        private static Dictionary<string, string> _languageModeMap;
        #endregion
    }
}

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using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Net;

using System.Web;

namespace Google_Translator

{

public class Translator

{

#region Properties

public static IEnumerable<string> Languages

{

get

{

Translator.EnsureInitialized();

return Translator._languageModeMap.Keys.OrderBy(p => p);

}

public TimeSpan TranslationTime

{

get;

private set;

}

public string TranslationSpeechUrl

{

get;

private set;

}

public Exception Error

{

get;

private set;

}

#endregion

#region Public methods

public string Translate

(string sourceText,

string sourceLanguage,

string targetLanguage)

{

this.Error = null;

this.TranslationSpeechUrl = null;

this.TranslationTime = TimeSpan.Zero;

DateTime tmStart = DateTime.Now;

string translation = string.Empty;

try

{

string url = string.Format("https://translate.googleapis.com/translate_a/single?client=gtx&sl={0}&tl={1}&dt=t&q={2}",

Translator.LanguageEnumToIdentifier(sourceLanguage),

Translator.LanguageEnumToIdentifier(targetLanguage),

HttpUtility.UrlEncode(sourceText));

string outputFile = Path.GetTempFileName();

using (WebClient wc = new WebClient())

{

wc.Headers.Add("user-agent", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36");

wc.DownloadFile(url, outputFile);

}

if (File.Exists(outputFile))

{

string text = File.ReadAllText(outputFile);

int index = text.IndexOf(string.Format(",,\"{0}\"", Translator.LanguageEnumToIdentifier(sourceLanguage)));

if (index == -1)

{

int startQuote = text.IndexOf('\"');

if (startQuote != -1)

{

int endQuote = text.IndexOf('\"', startQuote + 1);

if (endQuote != -1)

{

translation = text.Substring(startQuote + 1, endQuote - startQuote - 1);

}

else

{

text = text.Substring(0, index);

text = text.Replace("],[", ",");

text = text.Replace("]", string.Empty);

text = text.Replace("[", string.Empty);

text = text.Replace("\",\"", "\"");

string[] phrases = text.Split(new[] { '\"' }, StringSplitOptions.RemoveEmptyEntries);

for (int i = 0; (i < phrases.Count()); i += 2)

{

string translatedPhrase = phrases[i];

if (translatedPhrase.StartsWith(",,"))

{

i--;

continue;

}

translation += translatedPhrase + " ";

}

translation = translation.Trim();

translation = translation.Replace(" ?", "?");

translation = translation.Replace(" !", "!");

translation = translation.Replace(" ,", ",");

translation = translation.Replace(" .", ".");

translation = translation.Replace(" ;", ";");

this.TranslationSpeechUrl = string.Format("https://translate.googleapis.com/translate_tts?ie=UTF-8&q={0}&tl={1}&total=1&idx=0&textlen={2}&client=gtx",

HttpUtility.UrlEncode(translation), Translator.LanguageEnumToIdentifier(targetLanguage), translation.Length);

}

catch (Exception ex)

{

this.Error = ex;

}

this.TranslationTime = DateTime.Now - tmStart;

return translation;

}

#endregion

#region Private methods

private static string LanguageEnumToIdentifier

(string language)

{

string mode = string.Empty;

Translator.EnsureInitialized();

Translator._languageModeMap.TryGetValue(language, out mode);

return mode;

}

private static void EnsureInitialized()

{

if (Translator._languageModeMap == null)

{

Translator._languageModeMap = new Dictionary<string, string>();

Translator._languageModeMap.Add("Afrikaans", "af");

Translator._languageModeMap.Add("Albanian", "sq");

Translator._languageModeMap.Add("Arabic", "ar");

Translator._languageModeMap.Add("Armenian", "hy");

Translator._languageModeMap.Add("Azerbaijani", "az");

Translator._languageModeMap.Add("Basque", "eu");

Translator._languageModeMap.Add("Belarusian", "be");

Translator._languageModeMap.Add("Bengali", "bn");

Translator._languageModeMap.Add("Bulgarian", "bg");

Translator._languageModeMap.Add("Catalan", "ca");

Translator._languageModeMap.Add("Chinese", "zh-CN");

Translator._languageModeMap.Add("Croatian", "hr");

Translator._languageModeMap.Add("Czech", "cs");

Translator._languageModeMap.Add("Danish", "da");

Translator._languageModeMap.Add("Dutch", "nl");

Translator._languageModeMap.Add("English", "en");

Translator._languageModeMap.Add("Esperanto", "eo");

Translator._languageModeMap.Add("Estonian", "et");

Translator._languageModeMap.Add("Filipino", "tl");

Translator._languageModeMap.Add("Finnish", "fi");

Translator._languageModeMap.Add("French", "fr");

Translator._languageModeMap.Add("Galician", "gl");

Translator._languageModeMap.Add("German", "de");

Translator._languageModeMap.Add("Georgian", "ka");

Translator._languageModeMap.Add("Greek", "el");

Translator._languageModeMap.Add("Haitian Creole", "ht");

Translator._languageModeMap.Add("Hebrew", "iw");

Translator._languageModeMap.Add("Hindi", "hi");

Translator._languageModeMap.Add("Hungarian", "hu");

Translator._languageModeMap.Add("Icelandic", "is");

Translator._languageModeMap.Add("Indonesian", "id");

Translator._languageModeMap.Add("Irish", "ga");

Translator._languageModeMap.Add("Italian", "it");

Translator._languageModeMap.Add("Japanese", "ja");

Translator._languageModeMap.Add("Korean", "ko");

Translator._languageModeMap.Add("Lao", "lo");

Translator._languageModeMap.Add("Latin", "la");

Translator._languageModeMap.Add("Latvian", "lv");

Translator._languageModeMap.Add("Lithuanian", "lt");

Translator._languageModeMap.Add("Macedonian", "mk");

Translator._languageModeMap.Add("Malay", "ms");

Translator._languageModeMap.Add("Maltese", "mt");

Translator._languageModeMap.Add("Norwegian", "no");

Translator._languageModeMap.Add("Persian", "fa");

Translator._languageModeMap.Add("Polish", "pl");

Translator._languageModeMap.Add("Portuguese", "pt");

Translator._languageModeMap.Add("Romanian", "ro");

Translator._languageModeMap.Add("Russian", "ru");

Translator._languageModeMap.Add("Serbian", "sr");

Translator._languageModeMap.Add("Slovak", "sk");

Translator._languageModeMap.Add("Slovenian", "sl");

Translator._languageModeMap.Add("Spanish", "es");

Translator._languageModeMap.Add("Swahili", "sw");

Translator._languageModeMap.Add("Swedish", "sv");

Translator._languageModeMap.Add("Tamil", "ta");

Translator._languageModeMap.Add("Telugu", "te");

Translator._languageModeMap.Add("Thai", "th");

Translator._languageModeMap.Add("Turkish", "tr");

Translator._languageModeMap.Add("Ukrainian", "uk");

Translator._languageModeMap.Add("Urdu", "ur");

Translator._languageModeMap.Add("Vietnamese", "vi");

Translator._languageModeMap.Add("Welsh", "cy");

Translator._languageModeMap.Add("Yiddish", "yi");

Translator._languageModeMap.Add("Kurdish", "ku");

Translator._languageModeMap.Add("Mongolian", "mn");

}

#endregion

#region Fields

private static Dictionary<string, string> _languageModeMap;

#endregion

}

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C# (30) – Google Translator

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