From 6aaa15b2e86f5ddc69e6e4250bccf2a7b65f0831 Mon Sep 17 00:00:00 2001
From: Marek Kochanowicz <sirherrbatka@gmail.com>
Date: Wed, 30 Apr 2014 15:03:46 +0200
Subject: [PATCH] paged worldspace drop

---
 .../view/render/pagedworldspacewidget.cpp     | 40 ++++++++++++-------
 .../view/render/pagedworldspacewidget.hpp     |  6 ++-
 apps/opencs/view/world/scenesubview.cpp       |  2 +-
 3 files changed, 31 insertions(+), 17 deletions(-)

diff --git a/apps/opencs/view/render/pagedworldspacewidget.cpp b/apps/opencs/view/render/pagedworldspacewidget.cpp
index 3f40712d2..d916e33e9 100644
--- a/apps/opencs/view/render/pagedworldspacewidget.cpp
+++ b/apps/opencs/view/render/pagedworldspacewidget.cpp
@@ -9,8 +9,9 @@
 
 #include <apps/opencs/model/world/tablemimedata.hpp>
 
-CSVRender::PagedWorldspaceWidget::PagedWorldspaceWidget (QWidget *parent)
-: WorldspaceWidget (parent)
+CSVRender::PagedWorldspaceWidget::PagedWorldspaceWidget (QWidget *parent, const CSMDoc::Document& document)
+: WorldspaceWidget (parent),
+mDocument(document)
 {
     setAcceptDrops(true);
 }
@@ -66,24 +67,33 @@ void CSVRender::PagedWorldspaceWidget::dragMoveEvent (QDragMoveEvent* event)
 
 void CSVRender::PagedWorldspaceWidget::dropEvent (QDropEvent* event)
 {
-    /*
     const CSMWorld::TableMimeData* mime = dynamic_cast<const CSMWorld::TableMimeData*> (event->mimeData());
-    if (true)
+    if (mime->fromDocument(mDocument))
     {
-        if (mime->holdsType(CSMWorld::UniversalId::Type_Cell))
+        std::vector<CSMWorld::UniversalId> data(mime->getData());
+
+        for (unsigned i = 0; i < data.size(); ++i)
         {
-            CSMWorld::UniversalId record(mime->returnMatching (CSMWorld::UniversalId::Type_Cell));
-            QString id(QString::fromUtf8(record.getId().c_str()));
-            if (*id.begin() == '#')
+            if (data[i].getType() == CSMWorld::UniversalId::Type_Cell ||
+                data[i].getType() == CSMWorld::UniversalId::Type_Cell_Missing)
             {
-                id.remove(0,1);
-                QStringList splited(id.split(' '));
-                int x = splited.begin()->toInt();
-                int y = (splited.begin()+1)->toInt();
-                mSelection.add(CSMWorld::CellCoordinates(x, y));
+                if (*(data[i].getId().begin()) == '#')
+                {
+                    std::pair<int, int> coordinate(getCoordinatesFromId(data[i].getId()));
+                    mSelection.add(CSMWorld::CellCoordinates(coordinate.first, coordinate.second));
+                }
             }
         }
     }
-    */
-    //TODO!
 }
+
+std::pair< int, int > CSVRender::PagedWorldspaceWidget::getCoordinatesFromId (const std::string& record) const
+{
+    QString id(QString::fromUtf8(record.c_str()));
+    id.remove(0,1);
+    QStringList splited(id.split(' ')); //Well, this is the simplest approach
+    int x = splited.begin()->toInt();
+    int y = (splited.begin()+1)->toInt();
+    return std::make_pair(x, y);
+}
+
diff --git a/apps/opencs/view/render/pagedworldspacewidget.hpp b/apps/opencs/view/render/pagedworldspacewidget.hpp
index c6fdbf3be..bfcb25e66 100644
--- a/apps/opencs/view/render/pagedworldspacewidget.hpp
+++ b/apps/opencs/view/render/pagedworldspacewidget.hpp
@@ -2,6 +2,7 @@
 #define OPENCS_VIEW_PAGEDWORLDSPACEWIDGET_H
 
 #include "../../model/world/cellselection.hpp"
+#include <apps/opencs/model/doc/document.hpp>
 
 #include "worldspacewidget.hpp"
 
@@ -12,6 +13,7 @@ namespace CSVRender
             Q_OBJECT
 
             CSMWorld::CellSelection mSelection;
+            const CSMDoc::Document& mDocument; //for checking if drop comes from same document
 
         private:
 
@@ -21,9 +23,11 @@ namespace CSVRender
 
             void dragMoveEvent(QDragMoveEvent *event);
 
+            std::pair<int, int> getCoordinatesFromId(const std::string& record) const;
+
         public:
 
-            PagedWorldspaceWidget (QWidget *parent);
+            PagedWorldspaceWidget (QWidget *parent, const CSMDoc::Document& document);
             ///< \note Sets the cell area selection to an invalid value to indicate that currently
             /// no cells are displayed. The cells to be displayed will be specified later through
             /// hint system.
diff --git a/apps/opencs/view/world/scenesubview.cpp b/apps/opencs/view/world/scenesubview.cpp
index 0bb11ce8c..506a0288d 100644
--- a/apps/opencs/view/world/scenesubview.cpp
+++ b/apps/opencs/view/world/scenesubview.cpp
@@ -40,7 +40,7 @@ CSVWorld::SceneSubView::SceneSubView (const CSMWorld::UniversalId& id, CSMDoc::D
 
     if (id.getId()=="sys::default")
     {
-        CSVRender::PagedWorldspaceWidget *widget = new CSVRender::PagedWorldspaceWidget (this);
+        CSVRender::PagedWorldspaceWidget *widget = new CSVRender::PagedWorldspaceWidget (this, document);
         mScene = widget;
         connect (widget, SIGNAL (cellSelectionChanged (const CSMWorld::CellSelection&)),
             this, SLOT (cellSelectionChanged (const CSMWorld::CellSelection&)));