# HG changeset patch
# User Santeri Piippo
# Date 1520287187 -7200
# Node ID bf0ac547b9349ae522e13ddf4f00e55d53018c57
# Parent  c022fb3855b100cd2c2e2e1a1678400639577b56
migrated model swapping to mvc and made Model::swapObjects to emit dataChanged signals as a temporary solution

diff -r c022fb3855b1 -r bf0ac547b934 src/editHistory.cpp
--- a/src/editHistory.cpp	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/editHistory.cpp	Mon Mar 05 23:59:47 2018 +0200
@@ -188,15 +188,16 @@
 	parent()->document()->setObjectAt(row, newState);
 }
 
-SwapHistoryEntry::SwapHistoryEntry (int a, int b, EditHistory* parent) :
+SwapHistoryEntry::SwapHistoryEntry (const QModelIndex& index_1, const QModelIndex& index_2, EditHistory* parent) :
 	AbstractHistoryEntry {parent},
-	m_a (a),
-	m_b (b) {}
+	row_1 (index_1.row()),
+	row_2 (index_2.row()) {}
 
 
 void SwapHistoryEntry::undo()
 {
-	parent()->document()->swapObjects(LDObject::fromID (m_a), LDObject::fromID (m_b));
+	Model* model = parent()->document();
+	model->swapObjects(model->index(row_1), model->index(row_2));
 }
 
 void SwapHistoryEntry::redo()
diff -r c022fb3855b1 -r bf0ac547b934 src/editHistory.h
--- a/src/editHistory.h	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/editHistory.h	Mon Mar 05 23:59:47 2018 +0200
@@ -119,11 +119,11 @@
 class SwapHistoryEntry : public AbstractHistoryEntry
 {
 public:
-	SwapHistoryEntry (int a, int b, EditHistory* parent);
+	SwapHistoryEntry (const QModelIndex& index_1, const QModelIndex& index_2, EditHistory* parent);
 	void undo() override;
 	void redo() override;
 
 private:
-	int m_a;
-	int m_b;
+	int row_1;
+	int row_2;
 };
diff -r c022fb3855b1 -r bf0ac547b934 src/lddocument.cpp
--- a/src/lddocument.cpp	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/lddocument.cpp	Mon Mar 05 23:59:47 2018 +0200
@@ -41,6 +41,15 @@
 		this,
 		SLOT(handleNewObject(QModelIndex))
 	);
+
+	connect(
+		this,
+		&Model::objectsSwapped,
+		[&](const QModelIndex& index_1, const QModelIndex& index_2)
+		{
+			history()->add<SwapHistoryEntry>(index_1, index_2);
+		}
+	);
 }
 
 LDDocument::~LDDocument()
@@ -417,20 +426,6 @@
 			model.addFromString(object->asText());
 	}
 }
-// =============================================================================
-//
-bool LDDocument::swapObjects (LDObject* one, LDObject* other)
-{
-	if (Model::swapObjects(one, other))
-	{
-		history()->add<SwapHistoryEntry>(one->id(), other->id());
-		return true;
-	}
-	else
-	{
-		return false;
-	}
-}
 
 // =============================================================================
 //
diff -r c022fb3855b1 -r bf0ac547b934 src/lddocument.h
--- a/src/lddocument.h	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/lddocument.h	Mon Mar 05 23:59:47 2018 +0200
@@ -74,7 +74,6 @@
 	void setName (QString value);
 	void setSavePosition (long value);
 	void setTabIndex (int value);
-	bool swapObjects (LDObject* one, LDObject* other);
 	int tabIndex() const;
 	void undo();
 	void vertexChanged (const Vertex& a, const Vertex& b);
diff -r c022fb3855b1 -r bf0ac547b934 src/model.cpp
--- a/src/model.cpp	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/model.cpp	Mon Mar 05 23:59:47 2018 +0200
@@ -82,16 +82,14 @@
 /*
  * Swaps one object with another, assuming they both are in this model.
  */
-bool Model::swapObjects(LDObject* one, LDObject* other)
+bool Model::swapObjects(const QModelIndex& index_1, const QModelIndex& index_2)
 {
-	QModelIndex a = indexOf(one);
-	QModelIndex b = indexOf(other);
-
-	if (a.isValid() and b.isValid() and a != b)
+	if (index_1.isValid() and index_2.isValid() and index_1 != index_2)
 	{
-		_objects[b.row()] = one;
-		_objects[a.row()] = other;
-		emit objectsSwapped(a, b);
+		qSwap(_objects[index_1.row()], _objects[index_2.row()]);
+		emit objectsSwapped(index_1, index_2);
+		emit dataChanged(index_1, index_1);
+		emit dataChanged(index_2, index_2);
 		return true;
 	}
 	else
diff -r c022fb3855b1 -r bf0ac547b934 src/model.h
--- a/src/model.h	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/model.h	Mon Mar 05 23:59:47 2018 +0200
@@ -89,7 +89,7 @@
 
 	void insertCopy(int position, LDObject* object);
 	void insertFromArchive(int row, Serializer::Archive& archive);
-	bool swapObjects(LDObject* one, LDObject* other);
+	bool swapObjects(const QModelIndex& index_1, const QModelIndex& index_2);
 	bool setObjectAt(int idx, Serializer::Archive& archive);
 	template<typename T, typename... Args> T* emplace(Args&& ...args);
 	template<typename T, typename... Args> T* emplaceAt(int position, Args&& ...args);
diff -r c022fb3855b1 -r bf0ac547b934 src/toolsets/movetoolset.cpp
--- a/src/toolsets/movetoolset.cpp	Mon Mar 05 22:44:48 2018 +0200
+++ b/src/toolsets/movetoolset.cpp	Mon Mar 05 23:59:47 2018 +0200
@@ -45,10 +45,10 @@
 	{
 		LDObject* obj = objs[i];
 
-		int idx = currentDocument()->indexOf(obj).row();
-		int target = idx + (up ? -1 : 1);
+		QModelIndex index = currentDocument()->indexOf(obj);
+		int target = index.row() + (up ? -1 : 1);
 
-		if ((up and idx == 0) or (not up and idx == countof(currentDocument()->objects()) - 1))
+		if ((up and index.row() == 0) or (not up and index.row() == countof(currentDocument()->objects()) - 1))
 		{
 			// One of the objects hit the extrema. If this happens, this should be the first
 			// object to be iterated on. Thus, nothing has changed yet and it's safe to just
@@ -56,7 +56,7 @@
 			return;
 		}
 
-		currentDocument()->swapObjects(obj, currentDocument()->getObject(target));
+		currentDocument()->swapObjects(index, currentDocument()->index(target));
 	}
 }