Allow drag and drop ride for compare

.. drag and drop a ride into the compare pane to get
   the entire ride rather than an interval.

src/RideFileTableModel.cpp

@@ -138,8 +138,7 @@ RideFileTableModel::flags(const QModelIndex &index) const
     if (!index.isValid())
         return Qt::ItemIsEditable;
     else
-        return QAbstractTableModel::flags(index) | Qt::ItemIsEditable |
-                                     Qt::ItemIsEnabled | Qt::ItemIsSelectable;
+        return QAbstractTableModel::flags(index) | Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
 }
 
 QVariant

src/RideNavigator.cpp

@@ -25,6 +25,7 @@
 
 #include <QtGui>
 #include <QString>
+#include <QTreeView>
 
 RideNavigator::RideNavigator(Context *context, bool mainwindow) : context(context), active(false), _groupBy(-1)
 {
@@ -66,7 +67,7 @@ RideNavigator::RideNavigator(Context *context, bool mainwindow) : context(contex
 #endif
 
     // get setup
-    tableView = new QTreeView;
+    tableView = new RideTreeView;
     delegate = new NavigatorCellDelegate(this);
     tableView->setAnimated(true);
     tableView->setItemDelegate(delegate);
@@ -89,6 +90,7 @@ RideNavigator::RideNavigator(Context *context, bool mainwindow) : context(contex
     tableView->viewport()->installEventFilter(this);
     tableView->setMouseTracking(true);
     tableView->setFrameStyle(QFrame::NoFrame);
+    tableView->setAcceptDrops(true);
 
     // good to go
     tableView->show();
@@ -1063,3 +1065,14 @@ RideNavigator::showTreeContextMenuPopup(const QPoint &pos)
     // so the activity log for example doesn't have a context menu now
     emit customContextMenuRequested(tableView->mapToGlobal(pos+QPoint(0,tableView->header()->geometry().height())));
 }
+
+RideTreeView::RideTreeView()
+{
+    setDragDropMode(QAbstractItemView::InternalMove);
+    setDragEnabled(true);
+    setDragDropOverwriteMode(false);
+    setDropIndicatorShown(true);
+#ifdef Q_OS_MAC
+    setAttribute(Qt::WA_MacShowFocusRect, 0);
+#endif
+}

src/RideNavigator.h

@@ -32,6 +32,8 @@
 #include <QTableView>
 #include <QHeaderView>
 #include <QScrollBar>
+#include <QDragMoveEvent>
+#include <QDragEnterEvent>
 
 class NavigatorCellDelegate;
 class GroupByModel;
@@ -43,6 +45,7 @@ class BUGFIXQSortFilterProxyModel;
 class DataFilter;
 class GcMiniCalendar;
 class SearchBox;
+class RideTreeView;
 
 //
 // The RideNavigator
@@ -77,7 +80,7 @@ class RideNavigator : public GcWindow
         void borderMenu(const QPoint &pos);
 
         // so the cell delegate can access
-        QTreeView *tableView; // the view
+        RideTreeView *tableView; // the view
 
         Context *context;
 
@@ -244,4 +247,21 @@ private:
     QGridLayout *buttons;
     QSignalMapper *clicked;
 };
+
+class RideTreeView : public QTreeView
+{
+    Q_OBJECT;
+
+    public:
+        RideTreeView();
+
+    protected:
+         void dragEnterEvent(QDragEnterEvent *e) {
+            e->accept();
+        }
+ 
+        void dragMoveEvent(QDragMoveEvent *e) {
+            e->accept();
+        }
+};
 #endif

src/RideNavigatorProxy.h

@@ -38,6 +38,8 @@
 
 #include <QtGui>
 #include "RideNavigator.h"
+#include "RideItem.h"
+#include "RideFile.h"
 
 // Proxy model for doing groupBy
 class GroupByModel : public QAbstractProxyModel
@@ -191,13 +193,58 @@ public:
     // selectable. If we don't do that then the arrow keys don't work
     // since there are no valid rows to cursor up or down to.
     Qt::ItemFlags flags (const QModelIndex &/*index*/) const {
+
         //if (index.internalPointer() == NULL) {
         //    return Qt::ItemIsEnabled;
         //} else {
-            return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
+            return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled;
         //}
     }
 
+    QStringList mimeTypes() const {
+
+        QStringList returning;
+        returning << "application/x-gc-intervals";
+
+        return returning;
+    }
+
+    QMimeData *mimeData (const QModelIndexList &indexes) const {
+
+        QMimeData *returning = new QMimeData;
+
+        // we need to pack into a byte array
+        QByteArray rawData;
+        QDataStream stream(&rawData, QIODevice::WriteOnly);
+        stream.setVersion(QDataStream::Qt_4_6);
+
+        // pack data 
+        stream << (quint64)(rideNavigator->context); // where did this come from?
+
+        RideItem *ride = rideNavigator->context->ride;  // the currently selected ride
+
+        // if this ride has any kind of content
+        if (ride && ride->ride() && ride->ride()->dataPoints().count() > 1) {
+
+            // serialize
+            stream << (int)1;
+            stream << QString(tr("Entire Ride"));
+            stream << (quint64)(ride->ride()); // ridefile
+            stream << (quint64)ride->ride()->dataPoints().first()->secs
+                   << (quint64)ride->ride()->dataPoints().last()->secs;
+            stream << (quint64)ride->ride()->dataPoints().first()->km
+                   << (quint64)ride->ride()->dataPoints().last()->km;
+            stream << (quint64)1;
+
+        } else {
+            stream << (int)0; // nothing
+        }
+
+        // and return as mime data
+        returning->setData("application/x-gc-intervals", rawData);
+        return returning;
+    }
+
     QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const {
 
         // this is never called ! (QT-BUG)
@@ -209,7 +256,7 @@ public:
         QVariant returning;
 
         // if we are not at column 0 or we have a parent
-        //if (proxyIndex.internalPointer() != NULL || proxyIndex.column() > 0) {
+        //if (proxyIndex.internalPointer() != NULL || proxyIndex.column() > 0)
         if (proxyIndex.column() > 0) {
 
             if (role == Qt::UserRole) {