Search through all songs when creating playlist

MusicPlayer/MusicPlayer/PlaylistMaker.Designer.cs

@@ -41,6 +41,8 @@ namespace MusicPlayer
             this.label2 = new System.Windows.Forms.Label();
             this.label3 = new System.Windows.Forms.Label();
             this.label4 = new System.Windows.Forms.Label();
+            this.FilterTextBox = new System.Windows.Forms.TextBox();
+            this.label5 = new System.Windows.Forms.Label();
             this.SuspendLayout();
             // 
             // PlaylistSelectBox
@@ -145,11 +147,30 @@ namespace MusicPlayer
             this.label4.TabIndex = 9;
             this.label4.Text = "All songs";
             // 
+            // FilterTextBox
+            // 
+            this.FilterTextBox.Location = new System.Drawing.Point(172, 127);
+            this.FilterTextBox.Name = "FilterTextBox";
+            this.FilterTextBox.Size = new System.Drawing.Size(144, 20);
+            this.FilterTextBox.TabIndex = 10;
+            this.FilterTextBox.KeyUp += new System.Windows.Forms.KeyEventHandler(this.FilterTextBox_KeyUp);
+            // 
+            // label5
+            // 
+            this.label5.AutoSize = true;
+            this.label5.Location = new System.Drawing.Point(137, 130);
+            this.label5.Name = "label5";
+            this.label5.Size = new System.Drawing.Size(29, 13);
+            this.label5.TabIndex = 11;
+            this.label5.Text = "Filter";
+            // 
             // PlaylistMaker
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(334, 411);
+            this.Controls.Add(this.label5);
+            this.Controls.Add(this.FilterTextBox);
             this.Controls.Add(this.label4);
             this.Controls.Add(this.label3);
             this.Controls.Add(this.label2);
@@ -160,8 +181,8 @@ namespace MusicPlayer
             this.Controls.Add(this.PlaylistAddSongsButton);
             this.Controls.Add(this.PlaylistSongSelector);
             this.Controls.Add(this.PlaylistSelectBox);
-            this.MinimumSize = new System.Drawing.Size(300, 425);
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
+            this.MinimumSize = new System.Drawing.Size(300, 425);
             this.Name = "PlaylistMaker";
             this.Text = "Create / Edit playlists";
             this.Shown += new System.EventHandler(this.PlaylistMaker_Load);
@@ -182,5 +203,7 @@ namespace MusicPlayer
         private Label label2;
         private Label label3;
         private Label label4;
+        private TextBox FilterTextBox;
+        private Label label5;
     }
 }

MusicPlayer/MusicPlayer/PlaylistMaker.cs

@@ -96,6 +96,28 @@ namespace MusicPlayer
             Repopulate();
         }
 
+        public void SearchAllSongs(string search)
+        {
+            PlaylistSongSelector.Items.Clear();
+
+            if (search.Length > 1)
+            {
+                string sPattern = search;
+
+                foreach (Song s in allsongs)
+                {
+                    if (System.Text.RegularExpressions.Regex.IsMatch(s.Name, sPattern, System.Text.RegularExpressions.RegexOptions.IgnoreCase))
+                    {
+                        PlaylistSongSelector.Items.Add(s.Name);
+                    }
+                }
+            }
+            else
+            {
+                allsongs.ForEach(s => PlaylistSongSelector.Items.Add(s.Name));
+            }
+        }
+
         private void PlaylistNewButton_Click(object sender, EventArgs e)
         {
             pl.MakeNewPlaylistByName(PlaylistNewInputfield.Text);
@@ -106,5 +128,10 @@ namespace MusicPlayer
         {
             Populate();
         }
+
+        private void FilterTextBox_KeyUp(object sender, KeyEventArgs e)
+        {
+            SearchAllSongs(FilterTextBox.Text);
+        }
     }
 }