From 91d763d888dcdcd0fc28c64baed21409244096ac Mon Sep 17 00:00:00 2001
From: Almas Baim <almaslvl@gmail.com>
Date: Sat, 2 Dec 2023 14:29:39 +0000
Subject: [PATCH] feat: dialogue editor now supports node duplication, shortcut
 CTRL+D, related to #1322

---
 .../com/almasb/fxgl/tools/dialogues/DialoguePane.kt | 13 ++++++++++++-
 .../com/almasb/fxgl/tools/dialogues/MainUI.kt       | 13 +++++++++++--
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/DialoguePane.kt b/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/DialoguePane.kt
index 6bf55a4a7..a81c30cd2 100644
--- a/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/DialoguePane.kt
+++ b/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/DialoguePane.kt
@@ -465,7 +465,7 @@ class DialoguePane(graph: DialogueGraph = DialogueGraph()) : Pane() {
     }
 
     private fun onSelectedNodeViewChanged(newNodeView: NodeView?) {
-        
+
     }
 
     /**
@@ -635,6 +635,17 @@ class DialoguePane(graph: DialogueGraph = DialogueGraph()) : Pane() {
         showMessage("TODO: Sorry, not implemented yet.")
     }
 
+    fun duplicate() {
+        selectedNodeView.value?.let { nodeView ->
+            // currently we do not allow multiple start nodes
+            if (nodeView.node.type != START) {
+                val node = nodeView.node.copy()
+
+                performUIAction(AddNodeAction(graph, node))
+            }
+        }
+    }
+
     fun save(): SerializableGraph {
         isDirtyProperty.value = false
 
diff --git a/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/MainUI.kt b/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/MainUI.kt
index fe68a875b..4c2f57dc9 100644
--- a/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/MainUI.kt
+++ b/fxgl-tools/src/main/kotlin/com/almasb/fxgl/tools/dialogues/MainUI.kt
@@ -83,8 +83,7 @@ class MainUI : BorderPane() {
         val contextMenuEdit = FXGLContextMenu()
         contextMenuEdit.addItem("Undo (CTRL+Z)") { undo() }
         //contextMenuEdit.addItem("Redo") { redo() }
-        //contextMenuEdit.addItem("Copy (CTRL+C)") {  }
-        //contextMenuEdit.addItem("Paste (CTRL+V)") {  }
+        contextMenuEdit.addItem("Duplicate Node (CTRL+D)") { duplicate() }
         contextMenuEdit.addItem("Preferences") { openPreferencesDialog() }
 
         val contextMenuAdd = FXGLContextMenu()
@@ -152,6 +151,12 @@ class MainUI : BorderPane() {
                 undo()
             }
         }, KeyCode.Z, InputModifier.CTRL)
+
+        getInput().addAction(object : UserAction("Duplicate") {
+            override fun onActionBegin() {
+                duplicate()
+            }
+        }, KeyCode.D, InputModifier.CTRL)
     }
 
     private fun makeRunButton(): Node {
@@ -270,6 +275,10 @@ class MainUI : BorderPane() {
         currentTab?.pane?.redo()
     }
 
+    private fun duplicate() {
+        currentTab?.pane?.duplicate()
+    }
+
     private fun openAboutDialog() {
         showMessage(
                 "${getSettings().title}: v.${getSettings().version}\n\n"