update

Content.Client/Content.Client.csproj

@@ -33,6 +33,9 @@
     <Compile Update="UserInterface\Systems\Inventory\Windows\StrippingWindow.xaml.cs">
       <DependentUpon>StrippingWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Update="DocumentCopier\UI\DocumentCopierWindow.xaml.cs">
+      <DependentUpon>DocumentCopierWindow.xaml</DependentUpon>
+    </Compile>
   </ItemGroup>
 
   <Import Project="..\RobustToolbox\MSBuild\Robust.Properties.targets" />

Content.Client/DocumentCopier/UI/DocumentCopierBoundUi.cs

@@ -0,0 +1,66 @@
+using Content.Client.Fax.UI;
+using Content.Shared.Containers.ItemSlots;
+using Content.Shared.DocumentCopier;
+using Content.Shared.Fax;
+using JetBrains.Annotations;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.DocumentCopier.UI;
+
+[UsedImplicitly]
+public sealed class DocumentCopierBoundUi : BoundUserInterface
+{
+    public static string SourceDocumentSlotId = "targetSheet";
+    public static string TargetDocumentSlotId = "sourceSheet";
+
+    private DocumentCopierWindow? _window;
+
+    public DocumentCopierBoundUi(ClientUserInterfaceComponent owner, Enum uiKey) : base(owner, uiKey)
+    {
+    }
+
+    protected override void Open()
+    {
+        base.Open();
+
+        _window = new DocumentCopierWindow();
+        _window.OpenCentered();
+
+        _window.OnClose += Close;
+        _window.PrintButtonPressed += OnPrintButtonPressed;
+        _window.SourceDocumentButtonPressed += OnSourceDocumentButtonPressed;
+        _window.TargetDocumentButtonPressed += OnTargetDocumentButtonPressed;
+    }
+
+    private void OnSourceDocumentButtonPressed()
+    {
+        SendMessage(new ItemSlotButtonPressedEvent(SourceDocumentSlotId));
+    }
+
+    private void OnTargetDocumentButtonPressed()
+    {
+        SendMessage(new ItemSlotButtonPressedEvent(TargetDocumentSlotId));
+    }
+
+    private void OnPrintButtonPressed()
+    {
+        SendMessage(new DocumentCopierPrintMessage());
+    }
+
+    protected override void UpdateState(BoundUserInterfaceState state)
+    {
+        base.UpdateState(state);
+
+        if (_window == null || state is not DocumentCopierUiState cast)
+            return;
+
+        _window.UpdateState(cast);
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+        if (disposing)
+            _window?.Dispose();
+    }
+}

Content.Client/DocumentCopier/UI/DocumentCopierWindow.xaml

@@ -0,0 +1,25 @@
+<DefaultWindow xmlns="https://spacestation14.io"
+               Title="{Loc 'document-copier-name'}"
+               MinWidth="250">
+    <BoxContainer Orientation="Vertical" VerticalExpand="True">
+        <BoxContainer Orientation="Horizontal" VerticalExpand="True">
+            <BoxContainer Orientation="Vertical" MinWidth="100">
+                <Label Text="{Loc 'document-copier-ui-source-document'}"/>
+                <Label Text="{Loc 'document-copier-ui-target-document'}"/>
+            </BoxContainer>
+            <Control MinWidth="50" />
+            <BoxContainer Orientation="Vertical" MinWidth="100">
+                <Button Name="SourceDocumentControl"
+                        Text="{Loc 'document-copier-ui-insert-document'}"/>
+                <Button Name="TargetDocumentControl"
+                        Text="{Loc 'document-copier-ui-insert-document'}"/>
+            </BoxContainer>
+        </BoxContainer>
+        <BoxContainer Orientation="Horizontal">
+            <Control MinWidth="150" />
+            <Button Name="PrintButton"
+                    Text="{Loc 'document-copier-ui-print-document'}"
+                    Disabled="True"/>
+        </BoxContainer>
+    </BoxContainer>
+</DefaultWindow>

Content.Client/DocumentCopier/UI/DocumentCopierWindow.xaml.cs

@@ -0,0 +1,40 @@
+using Content.Shared.DocumentCopier;
+using Content.Shared.Fax;
+using Robust.Client.AutoGenerated;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.CustomControls;
+using Robust.Client.UserInterface.XAML;
+
+namespace Content.Client.DocumentCopier.UI;
+
+[GenerateTypedNameReferences]
+public sealed partial class DocumentCopierWindow : DefaultWindow
+{
+    public event Action? SourceDocumentButtonPressed;
+    public event Action? TargetDocumentButtonPressed;
+    public event Action? PrintButtonPressed;
+
+    public DocumentCopierWindow()
+    {
+        RobustXamlLoader.Load(this);
+
+        PrintButton.OnPressed += _ => PrintButtonPressed?.Invoke();
+        SourceDocumentControl.OnPressed += _ => SourceDocumentButtonPressed?.Invoke();
+        TargetDocumentControl.OnPressed += _ => TargetDocumentButtonPressed?.Invoke();
+    }
+
+    public void UpdateState(DocumentCopierUiState state)
+    {
+        SetButtonText(SourceDocumentControl, state.IsSourceDocumentInserted);
+        SetButtonText(TargetDocumentControl, state.IsTargetDocumentInserted);
+
+        PrintButton.Disabled = !state.IsCanPrintDocument;
+
+        void SetButtonText(Button target, bool buttonState)
+        {
+            target.Text = buttonState
+                ? Loc.GetString("document-copier-ui-eject-document")
+                : Loc.GetString("document-copier-ui-insert-document");
+        }
+    }
+}

Content.Server/DocumentCopier/DocumentCopierComponent.cs

@@ -0,0 +1,87 @@
+using Content.Server.Paper;
+using Content.Shared.Containers.ItemSlots;
+using Robust.Shared.Audio;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.DocumentCopier;
+
+[RegisterComponent]
+public sealed class DocumentCopierComponent : Component
+{
+    /// <summary>
+    /// Contains the paper to copy document to it
+    /// </summary>
+    [DataField("targetSheet", required: false)]
+    public ItemSlot TargetSheet = new();
+
+    /// <summary>
+    /// Contains the document to copy to blank sheet
+    /// </summary>
+    [DataField("sourceSheet", required: false)]
+    public ItemSlot SourceSheet = new();
+
+    /// <summary>
+    /// Sound to play when copier printing a copy
+    /// </summary>
+    [DataField("printSound", required: false)]
+    public SoundSpecifier PrintSound = new SoundPathSpecifier("/Audio/Machines/printer.ogg");
+
+    /// <summary>
+    /// Print queue of the incoming message
+    /// </summary>
+    [ViewVariables]
+    [DataField("printingQueue")]
+    public Queue<DocumentCopierPrintout> PrintingQueue { get; } = new();
+
+    /// <summary>
+    /// Remaining time of inserting animation
+    /// </summary>
+    [DataField("insertingTimeRemaining")]
+    public float InsertingTimeRemaining;
+
+    /// <summary>
+    /// How long the inserting animation will play
+    /// </summary>
+    [ViewVariables]
+    public float InsertionTime = 1.88f; // 0.02 off for correct animation
+
+    /// <summary>
+    /// Remaining time of printing animation
+    /// </summary>
+    [DataField("printingTimeRemaining")]
+    public float PrintingTimeRemaining;
+
+    /// <summary>
+    /// How long the printing animation will play
+    /// </summary>
+    [ViewVariables]
+    public float PrintingTime = 2.3f;
+}
+
+public sealed class DocumentCopierPrintout
+{
+    [DataField("name", required: true)]
+    public string Name { get; }
+
+    [DataField("content", required: true)]
+    public string Content { get; }
+
+    [DataField("prototypeId", customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>), required: true)]
+    public string PrototypeId { get; set;  }
+
+    [DataField("stampState")]
+    public string? StampState { get; set; }
+
+    [DataField("stampedBy")]
+    public List<string> StampedBy { get; }
+
+    public DocumentCopierPrintout(string content, string name, string? prototypeId = null, string? stampState = null, List<string>? stampedBy = null)
+    {
+        Content = content;
+        Name = name;
+        PrototypeId = prototypeId ?? "";
+        StampState = stampState;
+        StampedBy = stampedBy ?? new List<string>();
+    }
+}