Add comprehensive test suite, fix minor issues, rename function and file names to match approved verbs (#708)

2026-08-23 08:02:07 +00:00 · 2026-07-19 22:06:07 +02:00
parent a7292e4f35
commit 9c033dbf98
116 changed files with 4629 additions and 650 deletions
@@ -0,0 +1,81 @@
+<#
+    .SYNOPSIS
+        Attaches shift-click range-selection behavior to an application checkbox.
+
+    .PARAMETER Checkbox
+        The checkbox that receives the mouse event handler.
+
+    .PARAMETER AppsPanel
+        The panel whose visible checkboxes participate in range selection.
+
+    .PARAMETER LastSelectedCheckboxRef
+        A reference that stores the previously clicked checkbox.
+
+    .PARAMETER UpdateStatusCallback
+        An optional callback invoked after a range selection changes.
+#>
+function Attach-ShiftClickBehavior {
+    param (
+        [System.Windows.Controls.CheckBox]$checkbox,
+        [System.Windows.Controls.StackPanel]$appsPanel,
+        [ref]$lastSelectedCheckboxRef,
+        [scriptblock]$updateStatusCallback = $null
+    )
+
+    # Use a closure to capture the parameters
+    $checkbox.Add_PreviewMouseLeftButtonDown({
+        param(
+            $sender,
+            $e
+        )
+        
+        $isShiftPressed = [System.Windows.Input.Keyboard]::IsKeyDown([System.Windows.Input.Key]::LeftShift) -or 
+                          [System.Windows.Input.Keyboard]::IsKeyDown([System.Windows.Input.Key]::RightShift)
+        
+        if ($isShiftPressed -and $null -ne $lastSelectedCheckboxRef.Value) {
+            # Get all visible checkboxes in the panel
+            $visibleCheckboxes = @()
+            foreach ($child in $appsPanel.Children) {
+                if ($child -is [System.Windows.Controls.CheckBox] -and $child.Visibility -eq 'Visible') {
+                    $visibleCheckboxes += $child
+                }
+            }
+
+            # Find indices of the last selected and current checkbox
+            $lastIndex = -1
+            $currentIndex = -1
+
+            for ($i = 0; $i -lt $visibleCheckboxes.Count; $i++) {
+                if ($visibleCheckboxes[$i] -eq $lastSelectedCheckboxRef.Value) {
+                    $lastIndex = $i
+                }
+                if ($visibleCheckboxes[$i] -eq $sender) {
+                    $currentIndex = $i
+                }
+            }
+
+            if ($lastIndex -ge 0 -and $currentIndex -ge 0 -and $lastIndex -ne $currentIndex) {
+                $startIndex = [Math]::Min($lastIndex, $currentIndex)
+                $endIndex = [Math]::Max($lastIndex, $currentIndex)
+
+                $shouldDeselect = $sender.IsChecked
+
+                # Set all checkboxes in the range to the appropriate state
+                for ($i = $startIndex; $i -le $endIndex; $i++) {
+                    $visibleCheckboxes[$i].IsChecked = -not $shouldDeselect
+                }
+
+                if ($updateStatusCallback) {
+                    & $updateStatusCallback
+                }
+
+                # Mark the event as handled to prevent the default toggle behavior
+                $e.Handled = $true
+                return
+            }
+        }
+
+        # Update the last selected checkbox reference for next time
+        $lastSelectedCheckboxRef.Value = $sender
+    }.GetNewClosure())
+}