From e333ef9cb80e40637235198f9c113fa8cfe0fceb Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Mon, 13 Apr 2020 16:54:08 +0100
Subject: split path works

---
 src/gui/undocommands.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'src/gui/undocommands.cpp')

diff --git a/src/gui/undocommands.cpp b/src/gui/undocommands.cpp
index 87d5a13..9771f44 100644
--- a/src/gui/undocommands.cpp
+++ b/src/gui/undocommands.cpp
@@ -667,3 +667,47 @@ void MakePathCommand::redo()
     _scene->refreshZIndices();
     GraphUpdateCommand::redo();
 }
+
+SplitPathCommand::SplitPathCommand(TikzScene *scene,
+                                   const QVector<Path *> &paths,
+                                   QUndoCommand *parent) :
+    GraphUpdateCommand(scene, parent), _paths(paths)
+{
+    foreach (Path *p, paths) _edgeLists << p->edges();
+}
+
+void SplitPathCommand::undo()
+{
+    for (int i = 0; i < _paths.length(); ++i) {
+        Path *p = _paths[i];
+        foreach (Edge *e, _edgeLists[i]) {
+            p->addEdge(e);
+        }
+
+        _scene->graph()->addPath(p);
+
+        PathItem *pi = new PathItem(p);
+        _scene->addItem(pi);
+        _scene->pathItems().insert(p, pi);
+        pi->readPos();
+    }
+
+    _scene->refreshZIndices();
+    GraphUpdateCommand::undo();
+}
+
+void SplitPathCommand::redo()
+{
+    foreach (Path *p, _paths) {
+        PathItem *pi = _scene->pathItems()[p];
+        _scene->removeItem(pi);
+        _scene->pathItems().remove(p);
+        delete pi;
+
+        p->removeEdges();
+        _scene->graph()->removePath(p);
+    }
+
+    _scene->refreshZIndices();
+    GraphUpdateCommand::redo();
+}
-- 
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