Add option to set first day of week in date picker

Closes #276

Configuration/UserConfig.cs

@@ -43,6 +43,7 @@ sealed class UserConfig : BaseConfig{
         private string _spellCheckLanguage         = "en-US";
 
         public string TranslationTarget { get; set; } = "en";
+        public int  CalendarFirstDay    { get; set; } = -1;
         
         private TrayIcon.Behavior _trayBehavior       = TrayIcon.Behavior.Disabled;
         public bool EnableTrayHighlight { get; set; } = true;

Core/Bridge/PropertyBridge.cs

@@ -1,5 +1,7 @@
 using System.Text;
 using TweetDuck.Configuration;
+using TweetLib.Core;
+using TweetLib.Core.Utils;
 
 namespace TweetDuck.Core.Bridge{
     static class PropertyBridge{
@@ -23,6 +25,7 @@ public static string GenerateScript(Environment environment){
                 build.Append("x.muteNotifications=").Append(Bool(config.MuteNotifications));
                 build.Append("x.notificationMediaPreviews=").Append(Bool(config.NotificationMediaPreviews));
                 build.Append("x.translationTarget=").Append(Str(config.TranslationTarget));
+                build.Append("x.firstDayOfWeek=").Append(config.CalendarFirstDay == -1 ? LocaleUtils.GetJQueryDayOfWeek(Lib.Culture.DateTimeFormat.FirstDayOfWeek) : config.CalendarFirstDay);
             }
 
             if (environment == Environment.Notification){

Core/Other/Settings/TabSettingsGeneral.Designer.cs

@@ -56,6 +56,8 @@ private void InitializeComponent() {
             this.comboBoxSpellCheckLanguage = new System.Windows.Forms.ComboBox();
             this.labelTranslationTarget = new System.Windows.Forms.Label();
             this.comboBoxTranslationTarget = new System.Windows.Forms.ComboBox();
+            this.labelFirstDayOfWeek = new System.Windows.Forms.Label();
+            this.comboBoxFirstDayOfWeek = new System.Windows.Forms.ComboBox();
             this.labelExternalApplications = new System.Windows.Forms.Label();
             this.panelCustomBrowser = new System.Windows.Forms.Panel();
             this.btnCustomBrowserChange = new System.Windows.Forms.Button();
@@ -322,11 +324,11 @@ private void InitializeComponent() {
             // 
             this.labelBrowserPath.AutoSize = true;
             this.labelBrowserPath.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelBrowserPath.Location = new System.Drawing.Point(3, 218);
+            this.labelBrowserPath.Location = new System.Drawing.Point(3, 275);
             this.labelBrowserPath.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelBrowserPath.Name = "labelBrowserPath";
             this.labelBrowserPath.Size = new System.Drawing.Size(104, 15);
-            this.labelBrowserPath.TabIndex = 7;
+            this.labelBrowserPath.TabIndex = 9;
             this.labelBrowserPath.Text = "Open Links With...";
             // 
             // comboBoxCustomBrowser
@@ -344,11 +346,11 @@ private void InitializeComponent() {
             // 
             this.labelSearchEngine.AutoSize = true;
             this.labelSearchEngine.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelSearchEngine.Location = new System.Drawing.Point(3, 332);
+            this.labelSearchEngine.Location = new System.Drawing.Point(3, 389);
             this.labelSearchEngine.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelSearchEngine.Name = "labelSearchEngine";
             this.labelSearchEngine.Size = new System.Drawing.Size(82, 15);
-            this.labelSearchEngine.TabIndex = 11;
+            this.labelSearchEngine.TabIndex = 13;
             this.labelSearchEngine.Text = "Search Engine";
             // 
             // comboBoxSearchEngine
@@ -356,11 +358,11 @@ private void InitializeComponent() {
             this.comboBoxSearchEngine.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.comboBoxSearchEngine.Font = new System.Drawing.Font("Segoe UI", 9F);
             this.comboBoxSearchEngine.FormattingEnabled = true;
-            this.comboBoxSearchEngine.Location = new System.Drawing.Point(5, 351);
+            this.comboBoxSearchEngine.Location = new System.Drawing.Point(5, 408);
             this.comboBoxSearchEngine.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
             this.comboBoxSearchEngine.Name = "comboBoxSearchEngine";
             this.comboBoxSearchEngine.Size = new System.Drawing.Size(173, 23);
-            this.comboBoxSearchEngine.TabIndex = 12;
+            this.comboBoxSearchEngine.TabIndex = 14;
             // 
             // flowPanelRight
             // 
@@ -372,6 +374,8 @@ private void InitializeComponent() {
             this.flowPanelRight.Controls.Add(this.comboBoxSpellCheckLanguage);
             this.flowPanelRight.Controls.Add(this.labelTranslationTarget);
             this.flowPanelRight.Controls.Add(this.comboBoxTranslationTarget);
+            this.flowPanelRight.Controls.Add(this.labelFirstDayOfWeek);
+            this.flowPanelRight.Controls.Add(this.comboBoxFirstDayOfWeek);
             this.flowPanelRight.Controls.Add(this.labelExternalApplications);
             this.flowPanelRight.Controls.Add(this.labelBrowserPath);
             this.flowPanelRight.Controls.Add(this.panelCustomBrowser);
@@ -453,26 +457,48 @@ private void InitializeComponent() {
             this.comboBoxTranslationTarget.Size = new System.Drawing.Size(290, 23);
             this.comboBoxTranslationTarget.TabIndex = 5;
             // 
+            // labelFirstDayOfWeek
+            // 
+            this.labelFirstDayOfWeek.AutoSize = true;
+            this.labelFirstDayOfWeek.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
+            this.labelFirstDayOfWeek.Location = new System.Drawing.Point(3, 173);
+            this.labelFirstDayOfWeek.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelFirstDayOfWeek.Name = "labelFirstDayOfWeek";
+            this.labelFirstDayOfWeek.Size = new System.Drawing.Size(125, 15);
+            this.labelFirstDayOfWeek.TabIndex = 6;
+            this.labelFirstDayOfWeek.Text = "First Day Of The Week";
+            // 
+            // comboBoxFirstDayOfWeek
+            // 
+            this.comboBoxFirstDayOfWeek.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxFirstDayOfWeek.Font = new System.Drawing.Font("Segoe UI", 9F);
+            this.comboBoxFirstDayOfWeek.FormattingEnabled = true;
+            this.comboBoxFirstDayOfWeek.Location = new System.Drawing.Point(5, 192);
+            this.comboBoxFirstDayOfWeek.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.comboBoxFirstDayOfWeek.Name = "comboBoxFirstDayOfWeek";
+            this.comboBoxFirstDayOfWeek.Size = new System.Drawing.Size(173, 23);
+            this.comboBoxFirstDayOfWeek.TabIndex = 7;
+            // 
             // labelExternalApplications
             // 
             this.labelExternalApplications.AutoSize = true;
             this.labelExternalApplications.Font = new System.Drawing.Font("Segoe UI Semibold", 10.5F, System.Drawing.FontStyle.Bold);
-            this.labelExternalApplications.Location = new System.Drawing.Point(0, 186);
+            this.labelExternalApplications.Location = new System.Drawing.Point(0, 243);
             this.labelExternalApplications.Margin = new System.Windows.Forms.Padding(0, 25, 0, 1);
             this.labelExternalApplications.Name = "labelExternalApplications";
             this.labelExternalApplications.Size = new System.Drawing.Size(176, 19);
-            this.labelExternalApplications.TabIndex = 6;
+            this.labelExternalApplications.TabIndex = 8;
             this.labelExternalApplications.Text = "EXTERNAL APPLICATIONS";
             // 
             // panelCustomBrowser
             // 
             this.panelCustomBrowser.Controls.Add(this.comboBoxCustomBrowser);
             this.panelCustomBrowser.Controls.Add(this.btnCustomBrowserChange);
-            this.panelCustomBrowser.Location = new System.Drawing.Point(0, 236);
+            this.panelCustomBrowser.Location = new System.Drawing.Point(0, 293);
             this.panelCustomBrowser.Margin = new System.Windows.Forms.Padding(0, 3, 0, 3);
             this.panelCustomBrowser.Name = "panelCustomBrowser";
             this.panelCustomBrowser.Size = new System.Drawing.Size(300, 24);
-            this.panelCustomBrowser.TabIndex = 8;
+            this.panelCustomBrowser.TabIndex = 10;
             // 
             // btnCustomBrowserChange
             // 
@@ -492,22 +518,22 @@ private void InitializeComponent() {
             // 
             this.labelVideoPlayerPath.AutoSize = true;
             this.labelVideoPlayerPath.Font = new System.Drawing.Font("Segoe UI Semibold", 9F, System.Drawing.FontStyle.Bold);
-            this.labelVideoPlayerPath.Location = new System.Drawing.Point(3, 275);
+            this.labelVideoPlayerPath.Location = new System.Drawing.Point(3, 332);
             this.labelVideoPlayerPath.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
             this.labelVideoPlayerPath.Name = "labelVideoPlayerPath";
             this.labelVideoPlayerPath.Size = new System.Drawing.Size(106, 15);
-            this.labelVideoPlayerPath.TabIndex = 9;
+            this.labelVideoPlayerPath.TabIndex = 11;
             this.labelVideoPlayerPath.Text = "Play Videos With...";
             // 
             // panelCustomVideoPlayer
             // 
             this.panelCustomVideoPlayer.Controls.Add(this.comboBoxCustomVideoPlayer);
             this.panelCustomVideoPlayer.Controls.Add(this.btnCustomVideoPlayerChange);
-            this.panelCustomVideoPlayer.Location = new System.Drawing.Point(0, 293);
+            this.panelCustomVideoPlayer.Location = new System.Drawing.Point(0, 350);
             this.panelCustomVideoPlayer.Margin = new System.Windows.Forms.Padding(0, 3, 0, 3);
             this.panelCustomVideoPlayer.Name = "panelCustomVideoPlayer";
             this.panelCustomVideoPlayer.Size = new System.Drawing.Size(300, 24);
-            this.panelCustomVideoPlayer.TabIndex = 10;
+            this.panelCustomVideoPlayer.TabIndex = 12;
             // 
             // comboBoxCustomVideoPlayer
             // 
@@ -610,5 +636,7 @@ private void InitializeComponent() {
         private System.Windows.Forms.ComboBox comboBoxCustomVideoPlayer;
         private System.Windows.Forms.Button btnCustomVideoPlayerChange;
         private System.Windows.Forms.Label labelExternalApplications;
+        private System.Windows.Forms.Label labelFirstDayOfWeek;
+        private System.Windows.Forms.ComboBox comboBoxFirstDayOfWeek;
     }
 }

Core/Other/Settings/TabSettingsGeneral.cs

@@ -101,6 +101,7 @@ public TabSettingsGeneral(Action reloadColumns, UpdateHandler updates){
             toolTip.SetToolTip(checkSpellCheck, "Underlines words that are spelled incorrectly.");
             toolTip.SetToolTip(comboBoxSpellCheckLanguage, "Language used for spell check.");
             toolTip.SetToolTip(comboBoxTranslationTarget, "Language tweets are translated into.");
+            toolTip.SetToolTip(comboBoxFirstDayOfWeek, "First day of week used in the date picker.");
             
             checkSpellCheck.Checked = Config.EnableSpellCheck;
 
@@ -119,6 +120,17 @@ public TabSettingsGeneral(Action reloadColumns, UpdateHandler updates){
             }
 
             comboBoxTranslationTarget.SelectedItem = new LocaleUtils.Item(Config.TranslationTarget);
+
+            var daysOfWeek = comboBoxFirstDayOfWeek.Items;
+            daysOfWeek.Add("(based on system locale)");
+            daysOfWeek.Add(new DayOfWeekItem("Monday", DayOfWeek.Monday));
+            daysOfWeek.Add(new DayOfWeekItem("Tuesday", DayOfWeek.Tuesday));
+            daysOfWeek.Add(new DayOfWeekItem("Wednesday", DayOfWeek.Wednesday));
+            daysOfWeek.Add(new DayOfWeekItem("Thursday", DayOfWeek.Thursday));
+            daysOfWeek.Add(new DayOfWeekItem("Friday", DayOfWeek.Friday));
+            daysOfWeek.Add(new DayOfWeekItem("Saturday", DayOfWeek.Saturday));
+            daysOfWeek.Add(new DayOfWeekItem("Sunday", DayOfWeek.Sunday));
+            comboBoxFirstDayOfWeek.SelectedItem = daysOfWeek.OfType<DayOfWeekItem>().FirstOrDefault(dow => dow.Id == Config.CalendarFirstDay) ?? daysOfWeek[0];
         }
 
         public override void OnReady(){
@@ -145,6 +157,7 @@ public override void OnReady(){
             checkSpellCheck.CheckedChanged += checkSpellCheck_CheckedChanged;
             comboBoxSpellCheckLanguage.SelectedValueChanged += comboBoxSpellCheckLanguage_SelectedValueChanged;
             comboBoxTranslationTarget.SelectedValueChanged += comboBoxTranslationTarget_SelectedValueChanged;
+            comboBoxFirstDayOfWeek.SelectedValueChanged += comboBoxFirstDayOfWeek_SelectedValueChanged;
         }
 
         public override void OnClosing(){
@@ -388,6 +401,24 @@ private void comboBoxTranslationTarget_SelectedValueChanged(object sender, Event
             Config.TranslationTarget = (comboBoxTranslationTarget.SelectedItem as LocaleUtils.Item)?.Code ?? "en";
         }
 
+        private void comboBoxFirstDayOfWeek_SelectedValueChanged(object sender, EventArgs e){
+            Config.CalendarFirstDay = (comboBoxFirstDayOfWeek.SelectedItem as DayOfWeekItem)?.Id ?? -1;
+        }
+
+        private sealed class DayOfWeekItem{
+            private string Name { get; }
+            public int Id { get; }
+
+            public DayOfWeekItem(string name, DayOfWeek dow){
+                Name = name;
+                Id = LocaleUtils.GetJQueryDayOfWeek(dow);
+            }
+            
+            public override int GetHashCode() => Name.GetHashCode();
+            public override bool Equals(object obj) => obj is DayOfWeekItem other && Name == other.Name;
+            public override string ToString() => Name;
+        }
+
         #endregion
     }
 }

Resources/Scripts/code.js

@@ -1083,6 +1083,19 @@
     });
   });
   
+  //
+  // Block: Allow changing first day of week in date picker.
+  //
+  if (ensurePropertyExists($, "tools", "dateinput", "conf", "firstDay")){
+    $.tools.dateinput.conf.firstDay = $TDX.firstDayOfWeek;
+    
+    onAppReady.push(function setupDatePickerFirstDayCallback(){
+      window.TDGF_registerPropertyUpdateCallback(function($TDX){
+        $.tools.dateinput.conf.firstDay = $TDX.firstDayOfWeek;
+      });
+    });
+  }
+  
   //
   // Block: Make middle click on tweet reply icon open the compose drawer, retweet icon trigger a quote, and favorite icon open a 'Like from accounts...' modal.
   //

lib/TweetLib.Core/Utils/LocaleUtils.cs

@@ -28,6 +28,18 @@ public static class LocaleUtils{
             "th", "tr", "uk", "vi", "ar", "fa"
         }.Select(code => new Item(code)).OrderBy(code => code).ToList();
 
+        public static int GetJQueryDayOfWeek(DayOfWeek dow){
+            return dow switch{
+                DayOfWeek.Monday    => 1,
+                DayOfWeek.Tuesday   => 2,
+                DayOfWeek.Wednesday => 3,
+                DayOfWeek.Thursday  => 4,
+                DayOfWeek.Friday    => 5,
+                DayOfWeek.Saturday  => 6,
+                _                   => 0
+            };
+        }
+
         public sealed class Item : IComparable<Item>{
             public string Code { get; }