From f453534f74fee28dd8598f4e5221af9633dcca6e Mon Sep 17 00:00:00 2001
From: Marterich <m-wiethan@gmx.de>
Date: Sat, 18 May 2024 23:28:38 +0200
Subject: [PATCH] Hide Category title if empty

---
 functions/private/Get-TabXaml.ps1 |  5 ++++-
 scripts/main.ps1                  | 25 +++++++++++++++++++++++--
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/functions/private/Get-TabXaml.ps1 b/functions/private/Get-TabXaml.ps1
index a420e344..bda4d836 100644
--- a/functions/private/Get-TabXaml.ps1
+++ b/functions/private/Get-TabXaml.ps1
@@ -77,7 +77,10 @@ function Get-TabXaml {
                     $panelcount++
                 }
             }
-            $blockXml += "<Label Content=""$($category -replace '^.__', '')"" FontSize=""16""/>`n"
+            $categorycontent = $($category -replace '^.__', '')
+            # Remove all special Characters from the name because it will later be used as a Powershell Variable
+            $categoryname = "WPFLabel"+$($categorycontent -replace '[^a-zA-Z0-9]','')
+            $blockXml += "<Label Name=""$categoryname"" Content=""$categorycontent"" FontSize=""16""/>`n"
             $sortedApps = $organizedData[$panel][$category].Keys | Sort-Object
             foreach ($appName in $sortedApps) {
                 $count++
diff --git a/scripts/main.ps1 b/scripts/main.ps1
index 38007969..5c430b7b 100644
--- a/scripts/main.ps1
+++ b/scripts/main.ps1
@@ -363,6 +363,15 @@ Add-Type @"
 
 })
 
+# Load Checkboxes and Labels outside of the Filter fuction only once on startup for performance reasons
+$filter = Get-WinUtilVariables -Type CheckBox
+$CheckBoxes = $sync.GetEnumerator() | Where-Object { $psitem.Key -in $filter }
+
+$filter = Get-WinUtilVariables -Type Label
+$labels = $sync.GetEnumerator() | Where-Object {$PSItem.Key -in $filter}
+
+$allCategories = $checkBoxes.Name | ForEach-Object {$sync.configs.applications.$_} | Select-Object  -Unique -ExpandProperty category    
+
 $sync["CheckboxFilter"].Add_TextChanged({
 
     if ($sync.CheckboxFilter.Text -ne "") {
@@ -372,8 +381,7 @@ $sync["CheckboxFilter"].Add_TextChanged({
         $sync.CheckboxFilterClear.Visibility = "Collapsed"
     }
 
-    $filter = Get-WinUtilVariables -Type CheckBox
-    $CheckBoxes = $sync.GetEnumerator() | Where-Object { $psitem.Key -in $filter }
+    $activeApplications = @()
 
     foreach ($CheckBox in $CheckBoxes) {
         # Check if the checkbox is null or if it doesn't have content
@@ -390,6 +398,7 @@ $sync["CheckboxFilter"].Add_TextChanged({
 
         if ($CheckBox.Value.Content.ToLower().Contains($textToSearch)) {
             $CheckBox.Value.Visibility = "Visible"
+            $activeApplications += $sync.configs.applications.$checkboxName
              # Set the corresponding text block visibility
             if ($textBlock -ne $null) {
                 $textBlock.Visibility = "Visible"
@@ -403,6 +412,18 @@ $sync["CheckboxFilter"].Add_TextChanged({
             }
         }
     }
+    $activeCategories = $activeApplications | Select-Object -ExpandProperty category -Unique
+
+    foreach ($category in $activeCategories){
+        $label = $Labels | Where-Object {$_.Key -eq "WPFLabel"+$($category -replace '[^a-zA-Z0-9]','')}
+        $label.Value.Visibility = "Visible"
+    }
+    if ($activeCategories -ne $null){
+        $inactiveCategories = Compare-Object -ReferenceObject $allCategories -DifferenceObject $activeCategories -PassThru
+        foreach ($category in $inactiveCategories){
+            $label = $Labels | Where-Object {$_.Key -eq "WPFLabel"+$($category -replace '[^a-zA-Z0-9]','')}
+            $label.Value.Visibility = "Collapsed"}
+    }
 
 })