From e762cfe21e85fa23cb67ddc9c0331ff35b4146e5 Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <mail@tsommer.org>
Date: Thu, 21 Jul 2022 21:14:32 +0200
Subject: [PATCH] Implemented the text element filter

---
 I18N Commander/Processor/TextElementProcessor.cs   |  8 ++++++--
 .../Components/TextElements.Designer.cs            |  1 +
 .../UI WinForms/Components/TextElements.cs         | 14 ++++++++------
 3 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/I18N Commander/Processor/TextElementProcessor.cs b/I18N Commander/Processor/TextElementProcessor.cs
index 48e7562..8c63e17 100644
--- a/I18N Commander/Processor/TextElementProcessor.cs	
+++ b/I18N Commander/Processor/TextElementProcessor.cs	
@@ -8,10 +8,14 @@ namespace Processor;
 public static class TextElementProcessor
 {
     // Load all text elements for one particular section:
-    public static async Task<List<TextElement>> GetTextElements(Section section)
+    public static async Task<List<TextElement>> GetTextElements(Section section, string filterTerm)
     {
         await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
-        return await db.TextElements.Where(n => n.Section == section).OrderBy(n => n.Name).ThenBy(n => n.Id).ToListAsync();
+        
+        if(string.IsNullOrWhiteSpace(filterTerm))
+            return await db.TextElements.Where(n => n.Section == section).OrderBy(n => n.Name).ThenBy(n => n.Id).ToListAsync();
+        else
+            return await db.TextElements.Where(n => n.Section == section && n.Name.Contains(filterTerm)).OrderBy(n => n.Name).ThenBy(n => n.Id).ToListAsync();
     }
     
     // Load one text element by id:
diff --git a/I18N Commander/UI WinForms/Components/TextElements.Designer.cs b/I18N Commander/UI WinForms/Components/TextElements.Designer.cs
index 8d5c900..a9a5cfd 100644
--- a/I18N Commander/UI WinForms/Components/TextElements.Designer.cs	
+++ b/I18N Commander/UI WinForms/Components/TextElements.Designer.cs	
@@ -129,6 +129,7 @@
             this.textBoxFilter.Size = new System.Drawing.Size(554, 34);
             this.textBoxFilter.TabIndex = 2;
             this.textBoxFilter.WordWrap = false;
+            this.textBoxFilter.KeyUp += new System.Windows.Forms.KeyEventHandler(this.textBoxFilter_KeyUp);
             // 
             // labelFilter
             // 
diff --git a/I18N Commander/UI WinForms/Components/TextElements.cs b/I18N Commander/UI WinForms/Components/TextElements.cs
index f1e5e2a..aa6e354 100644
--- a/I18N Commander/UI WinForms/Components/TextElements.cs	
+++ b/I18N Commander/UI WinForms/Components/TextElements.cs	
@@ -9,7 +9,7 @@ public partial class TextElements : UserControl
 {
     private Section? currentSection;
     private TextElement? currentTextElement;
-    
+
     public TextElements()
     {
         this.InitializeComponent();
@@ -17,7 +17,7 @@ public partial class TextElements : UserControl
         // Check if we are in the designer:
         if(Program.SERVICE_PROVIDER is null)
             return;
-        
+
         // Create an image list from a resource:
         var imgList = new ImageList();
         imgList.ImageSize = new Size(45, 45);
@@ -40,7 +40,7 @@ public partial class TextElements : UserControl
             
             // Update the path:
             this.labelSectionPath.Text = await SectionProcessor.GetSectionPath(this.currentSection.DataKey);
-            this.LoadTextElements();
+            await this.LoadTextElements();
         };
         
         // When the text element is changed, update the button states:
@@ -52,13 +52,13 @@ public partial class TextElements : UserControl
     }
     
     // Loads all the text elements for the current section.
-    private async void LoadTextElements()
+    private async Task LoadTextElements()
     {
         if (this.currentSection is null)
             return;
         
         // Load the text elements:
-        var textElements = await TextElementProcessor.GetTextElements(this.currentSection);
+        var textElements = await TextElementProcessor.GetTextElements(this.currentSection, this.textBoxFilter.Text);
         
         // Update the list:
         this.listTextElements.Items.Clear();
@@ -136,7 +136,7 @@ public partial class TextElements : UserControl
             return;
         
         // Reload the text elements:
-        this.LoadTextElements();
+        await this.LoadTextElements();
     }
 
     private async void listTextElements_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
@@ -148,4 +148,6 @@ public partial class TextElements : UserControl
         // Fire the event:
         AppEvents.TextElementChanged(this.currentTextElement);
     }
+
+    private async void textBoxFilter_KeyUp(object sender, KeyEventArgs e) => await this.LoadTextElements();
 }
\ No newline at end of file