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feat: Added the ability to change languages in the GUI app (#215)
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* Added the ability to change languages in the GUI app

* Updated the UI logic for better support of dynamic UI updates

* Solved a bug where closing the lang change form would invoke language change

* Amended the code according to Codecy comments

* Amended the code according to Codecy comments

* Amended the code according to Codecy comments 2
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mega5800 authored Jan 21, 2025
1 parent c5944b4 commit bae1b82
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87 changes: 87 additions & 0 deletions src/LessMsi.Gui/ChangeLanguageForm.Designer.cs

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129 changes: 129 additions & 0 deletions src/LessMsi.Gui/ChangeLanguageForm.cs
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using System;
using System.IO;
using System.Linq;
using System.Threading;
using System.Reflection;
using System.Globalization;
using System.Windows.Forms;
using System.Collections.Generic;

namespace LessMsi.Gui
{
public partial class ChangeLanguageForm : Form
{
private bool m_SaveBtnUsed;

private string m_PreviousCheckedLang;
private string m_CurrentCheckedLang;

private Dictionary<string, CheckBox> m_CheckBoxDict;
private Dictionary<string, CultureInfo> m_CultureInfoDict;

public ChangeLanguageForm()
{
InitializeComponent();

m_PreviousCheckedLang = string.Empty;
m_CurrentCheckedLang = Thread.CurrentThread.CurrentUICulture.TwoLetterISOLanguageName;

setGUIData();

fillCultureInfoDict();

generateCheckboxes();
}

public string NewSelectedLanguage => m_CurrentCheckedLang;

private void setGUIData()
{
Icon = Properties.Resources.LessmsiIcon;
Text = Resources.Languages.Strings.ChangeLang;
}

private void fillCultureInfoDict()
{
m_CultureInfoDict = new Dictionary<string, CultureInfo>();

string executingAssemblyPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var cultureDirectories = Directory.GetDirectories(executingAssemblyPath);

var cultures = cultureDirectories
.Select(Path.GetFileName)
.Where(dir => !string.IsNullOrEmpty(dir))
.OrderBy(c => c)
.ToList();

cultures.Add("en");

if (cultures.Any())
{
foreach (var culture in cultures)
{
var cultureInfo = new CultureInfo(culture);
m_CultureInfoDict.Add(culture, cultureInfo);
}
}
}

private void generateCheckboxes()
{
checkBoxesPanel.Controls.Clear();
m_CheckBoxDict = new Dictionary<string, CheckBox>();

for (int i = 0; i < m_CultureInfoDict.Count; i++)
{
var currentCultureKey = m_CultureInfoDict.ElementAt(i).Key;
var currentCultureInfo = m_CultureInfoDict.ElementAt(i).Value;

var checkBox = new CheckBox
{
Name = currentCultureKey,
Text = currentCultureInfo.DisplayName,
AutoSize = true,
Margin = new Padding(5),
Location = new System.Drawing.Point(10, 25 * i),
Checked = Thread.CurrentThread.CurrentUICulture.TwoLetterISOLanguageName == currentCultureKey
};

checkBox.Click += (_, e) => OnCheckboxClick(checkBox, e);

m_CheckBoxDict.Add(currentCultureKey, checkBox);

checkBoxesPanel.Controls.Add(checkBox);
}
}

private void saveBtn_Click(object sender, EventArgs e)
{
m_SaveBtnUsed = true;
Close();
}

private void OnCheckboxClick(object sender, EventArgs e)
{
CheckBox checkBox = sender as CheckBox;
if (checkBox != null)
{
m_PreviousCheckedLang = m_CurrentCheckedLang;
m_CurrentCheckedLang = checkBox.Name;

if (m_CurrentCheckedLang == m_PreviousCheckedLang)
{
checkBox.Checked = true;
return;
}

m_CheckBoxDict[m_PreviousCheckedLang].Checked = false;
}
}

private void ChangeLanguageForm_FormClosing(object sender, FormClosingEventArgs e)
{
if (!m_SaveBtnUsed)
{
m_CurrentCheckedLang = string.Empty;
}
}
}
}
120 changes: 120 additions & 0 deletions src/LessMsi.Gui/ChangeLanguageForm.resx
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<root>
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10 changes: 10 additions & 0 deletions src/LessMsi.Gui/LessMsi.Gui.csproj
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Expand Up @@ -71,6 +71,12 @@
<Compile Include="AboutBox.Designer.cs">
<DependentUpon>AboutBox.cs</DependentUpon>
</Compile>
<Compile Include="ChangeLanguageForm.cs">
<SubType>Form</SubType>
</Compile>
<Compile Include="ChangeLanguageForm.Designer.cs">
<DependentUpon>ChangeLanguageForm.cs</DependentUpon>
</Compile>
<Compile Include="Extensions\SummaryInformationExtensions.cs" />
<Compile Include="ExtractionProgressDialog.cs">
<SubType>Form</SubType>
Expand Down Expand Up @@ -132,6 +138,9 @@
</Compile>
<Compile Include="Windows.Forms\SortableBindingList.cs" />
<Compile Include="Windows.Forms\WinFormsHelper.cs" />
<EmbeddedResource Include="ChangeLanguageForm.resx">
<DependentUpon>ChangeLanguageForm.cs</DependentUpon>
</EmbeddedResource>
<EmbeddedResource Include="MainForm.resx">
<DependentUpon>MainForm.cs</DependentUpon>
<SubType>Designer</SubType>
Expand All @@ -143,6 +152,7 @@
<Generator>ResXFileCodeGenerator</Generator>
<LastGenOutput>Resources.Designer.cs</LastGenOutput>
</EmbeddedResource>
<EmbeddedResource Include="Resources\Languages\Strings.de.resx" />
<EmbeddedResource Include="Resources\Languages\Strings.it.resx">
<Generator>ResXFileCodeGenerator</Generator>
<LastGenOutput>Strings.it.Designer.cs</LastGenOutput>
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