consistency between selection in scene graph and automatically selecting…

helloqube/controller.cpp

@@ -36,6 +36,10 @@ void Controller::initViewWidgets(MyGLWidget *allViews[4], QWidget *two, QWidget
     viewLayout = layout;
 }
 
+void Controller::initTreeView(QTreeView *treeView){
+    this->treeView = treeView;
+}
+
 void Controller::showSingleView(){
     viewLayout = new QGridLayout();
     viewLayout->removeWidget(quadViewWidget);
@@ -228,22 +232,28 @@ QQuaternion Controller::computeRotation(QPoint newPosition){
 
 void Controller::addSphere(){
     selectTransform(scene->addSphere(tesselation));
+    treeView->setCurrentIndex(scene->getLastAddedIndex());
 }
 
 void Controller::addBox(){
     selectTransform(scene->addBox(tesselation));
+    treeView->setCurrentIndex(scene->getLastAddedIndex());
 }
 
 void Controller::addCylinder(){
     selectTransform(scene->addCylinder(tesselation));
+    treeView->setCurrentIndex(scene->getLastAddedIndex());
 }
 
 void Controller::addCone(){
     selectTransform(scene->addCone(tesselation));
+    treeView->setCurrentIndex(scene->getLastAddedIndex());
 }
 
 void Controller::addTorus(){
     selectTransform(scene->addTorus(tesselation));
+    treeView->setSelectionMode(QAbstractItemView::SelectionMode::SingleSelection);
+    treeView->setCurrentIndex(scene->getLastAddedIndex());
 }
 
 void Controller::deletePrimitive(){
@@ -254,8 +264,15 @@ void Controller::deletePrimitive(){
 
 void Controller::selectTransform(RigidBodyTransformation *rbt){
     currentTransform = rbt;
+
     if (currentTransform){
-        statusBar->showMessage(currentTransform->getChildPrimitive()->getName());
+        if (currentTransform->getChildrenCount()>1){
+            QString n = "Group selected: ";
+            n.append(currentTransform->getName());
+            statusBar->showMessage(n);
+        }else{
+            statusBar->showMessage(currentTransform->getChild(0)->getName());
+        }
     }
     else {
         statusBar->showMessage("None selected");
@@ -272,3 +289,14 @@ void Controller::itemSelected(QModelIndex q){
     selectTransform(static_cast<RigidBodyTransformation*>(t));
     qDebug() << "selected name " << t->data(0);
 }
+
+void Controller::itemDoubleClicked(QModelIndex q){
+    qDebug() << "item Double clicked. Row: " << q.row() << ", column: " << q.column();
+    selectedItem = scene->getItem(q);
+}
+
+void Controller::changeItemName(QString q){
+    //TODO this is not working.
+    qDebug() << "Name entered: " << q;
+    selectedItem->setName(q);
+}

helloqube/controller.h

@@ -18,6 +18,7 @@
 #include <rigidbodytransformation.h>
 #include <QStatusBar>
 #include <QModelIndex>
+#include <QTreeView>
 
 #include <math.h>
 
@@ -34,6 +35,7 @@ public:
 
     void initActions(QAction* cam, QAction* manipulate);
     void initViewWidgets(MyGLWidget* views[4], QWidget* doubleViews, QWidget* quadViews, QGridLayout* layout);
+    void initTreeView(QTreeView* treeView);
 
     //processes input and might call follow up functions in widget
     void processMousePressEvent(QMouseEvent* event, MyGLWidget* widget);
@@ -47,7 +49,6 @@ public:
 
     SceneGraph* getSceneGraph();
 
-    RigidBodyTransformation* currentTransform;
 private:
     QAction *modeCameraAction;
     QAction *modeManipulateAction;
@@ -74,10 +75,16 @@ private:
 
     int tesselation;
 
+
+    RigidBodyTransformation* currentTransform;
+    TreeItem* selectedItem;//might equal currentTransform. Or not.
+
     SceneGraph* scene;
 
     void selectTransform(RigidBodyTransformation* rbt);
 
+    QTreeView* treeView;
+
 public slots:
     void switchToModeCamera();
     void switchToModeManipulate();
@@ -97,6 +104,8 @@ public slots:
     void deletePrimitive();
 
     void itemSelected(QModelIndex q);
+    void itemDoubleClicked(QModelIndex q);
+    void changeItemName(QString q);
 
 };
 

helloqube/helloqube.pro.user

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.5.1, 2015-11-22T14:19:27. -->
+<!-- Written by QtCreator 3.5.1, 2015-11-23T01:20:22. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>

helloqube/mainwindow.cpp

@@ -256,8 +256,12 @@ MainWindow::MainWindow(QWidget *parent)
 
 
     connect(treeView,SIGNAL(clicked(QModelIndex)),controller, SLOT(itemSelected(QModelIndex)));
+    connect(treeView,SIGNAL(doubleClicked(QModelIndex)),controller,SLOT(itemDoubleClicked(QModelIndex)));
+    connect(treeView, SIGNAL(objectNameChanged(QString)),controller,SLOT(changeItemName(QString)));
 
-}
+    controller->initTreeView(treeView);
+
+    }
 
 
 

helloqube/myglwidget.cpp

@@ -170,7 +170,9 @@ void MyGLWidget::paintGL(){
         glMultMatrixf(m.data());
 
         //draw primitive
-        Primitive* p = (*i)->getChildPrimitive();
+        for (int j = 0; j < (*i)->getChildrenCount(); j++){
+            qDebug() << "Draw child " << j <<" for " << (*i)->getName();
+            Primitive* p = (*i)->getChildAsPrimitive(j);
             int tesselation = p->getTesselation();
             Primitive::Type type = p->getType();
             if (type == Primitive::Type::SPHERE){
@@ -186,6 +188,7 @@ void MyGLWidget::paintGL(){
             }else {
                 qDebug() << "Weird Type." << type;
             }
+        }
 
         //reset transformation for next primitive
         glPopMatrix();

helloqube/myitemmodel.cpp

@@ -92,20 +92,46 @@ TreeItem* MyItemModel::getItem(const QModelIndex& index) const{
 }
 
 
-void MyItemModel::addNewTransformToRoot(TreeItem *rbt, TreeItem* prim){
-    beginInsertRows(QModelIndex(), 0, 0);
+QModelIndex MyItemModel::addNewTransformToRoot(TreeItem *rbt, TreeItem* prim){
+    int ind = root->getChildrenCount();
+    beginInsertRows(QModelIndex(), ind, ind);
         qDebug() << "Add child " << rbt->data(0);
-        root->addChild(rbt);
+        root->addChild(rbt, ind);
     endInsertRows();
-    QModelIndex i = index(0,0,QModelIndex());
+    QModelIndex i = index(ind,0,QModelIndex());
     beginInsertRows(i,0,0);
 
     qDebug() << "Add primitive " << prim->data(0) << " at " << i;
-    rbt->addChild(prim);
+    rbt->addChild(prim,0);
     endInsertRows();
+    return i;
 //    return true;
 }
 
+QModelIndex MyItemModel::getIndex(TreeItem* item){
+    if (item == root){
+        return QModelIndex();
+    }
+    else{
+        for (int i = 0; i < root->getChildrenCount(); i++){
+            TreeItem* c = root->getChild(i);
+            QModelIndex p = index(i,0,QModelIndex());
+            if (c == item){
+                return p;
+            }else{//Hartgecoded auf tiefe 2.
+                for (int j = 0; j < c->getChildrenCount(); j++){
+                    TreeItem* d = c->getChild(j);
+                    if (d == item){
+                        return index(j,0,p);
+                    }
+                }
+            }
+        }
+    }
+    qDebug() << "Could not find "  << item->getName();
+    return QModelIndex();
+}
+
 void MyItemModel::removeTransformFromRoot(TreeItem *rbt){
     int row = -1;
     for (int i = 0; i < root->getChildren().length(); i++){

helloqube/myitemmodel.h

@@ -22,7 +22,8 @@ public:
     QModelIndex index(int row, int column, const QModelIndex &parent) const Q_DECL_OVERRIDE;
     QModelIndex parent(const QModelIndex &index) const Q_DECL_OVERRIDE;
 
-    void addNewTransformToRoot(TreeItem* rbt, TreeItem* prim);
+    QModelIndex addNewTransformToRoot(TreeItem* rbt, TreeItem* prim);
+    QModelIndex getIndex(TreeItem* item);
     void removeTransformFromRoot(TreeItem* rbt);
     TreeItem* getItem(const QModelIndex &index) const;
 

helloqube/primitive.cpp

@@ -10,10 +10,6 @@ Primitive::~Primitive(){
 
 }
 
-QString Primitive::getName(){
-    return name;
-}
-
 Primitive::Primitive(QString name, int ID,  int tesselation, Type t){
     this->name = name;
     this->ID = ID;

helloqube/primitive.h

@@ -19,8 +19,6 @@ public:
     int getTesselation();
     Primitive::Type getType();
 
-    QString getName();
-
     QVariant data(int column) override;
 
 protected:

helloqube/rigidbodytransformation.cpp

@@ -43,10 +43,10 @@ void RigidBodyTransformation::setRotation(QQuaternion newRotation){
     rotation = newRotation;
 }
 
-Primitive* RigidBodyTransformation::getChildPrimitive(){
-    if (children.length() > 0){
-        return static_cast<Primitive*>(children[0]);//TODO aufpassen falls höhere tiefe
+Primitive* RigidBodyTransformation::getChildAsPrimitive(int row){
+    if (row < children.length()){
+        return static_cast<Primitive*>(children[row]);//TODO aufpassen falls höhere tiefe
     } else{
-        qDebug("WAAAH - RBT has no chilren.");
+        qDebug() << "WAAAH - RBT has not enough chilren for row " << row;
     }
 }

helloqube/rigidbodytransformation.h

@@ -18,12 +18,11 @@ public:
 
     const QQuaternion getRotation();
     const QVector3D getTranslation();
-    Primitive* getChildPrimitive();
-
-    void drawChild();
 
     QVariant data(int column) override;
 
+    Primitive* getChildAsPrimitive(int row);
+
 private :
     //translation
     QVector3D translation;

helloqube/scenegraph.cpp

@@ -33,7 +33,6 @@ RigidBodyTransformation* SceneGraph::addSphere(int tesselation){
     int t = tesselation;
     if (t < 3) t = 3;
     Primitive* p = new Primitive(nextSphereName, idCounter, t, Primitive::Type::SPHERE);
-    idCounter++;
     sphereIndex++;
 
     qDebug() << "New Sphere added in scenegraph." << nextSphereName;
@@ -46,7 +45,6 @@ RigidBodyTransformation* SceneGraph::addBox(int tesselation){
     nextBoxName = "Box ";
     nextBoxName.append(QString::number(boxIndex));
     Primitive* p = new Primitive(nextBoxName, idCounter, tesselation, Primitive::Type::BOX);
-    idCounter++;
     boxIndex++;
 
     qDebug("New box added in scenegraph");
@@ -60,7 +58,6 @@ RigidBodyTransformation* SceneGraph::addCylinder(int tesselation){
     int t = tesselation;
     if (t < 3) t = 3;
     Primitive* p = new Primitive(nextCylName, idCounter, t, Primitive::Type::CYLINDER);
-    idCounter++;
     cylIndex++;
     qDebug("added Cylinder to scenegraph");
     return addPrimitive(p);
@@ -73,7 +70,6 @@ RigidBodyTransformation* SceneGraph::addCone(int tesselation){
     int t = tesselation;
     if (t < 3) t = 3;
     Primitive* p = new Primitive(nextConeName, idCounter, t, Primitive::Type::CONE);
-    idCounter++;
     coneIndex++;
     return addPrimitive(p);
 }
@@ -85,15 +81,18 @@ RigidBodyTransformation* SceneGraph::addTorus(int tesselation){
     int t = tesselation;
     if (t < 3) t = 3;
     Primitive* p = new Primitive(nextTorusName, idCounter, t, Primitive::Type::TORUS);
-    idCounter++;
     torusIndex++;
     return addPrimitive(p);
 }
 
 RigidBodyTransformation* SceneGraph::addPrimitive(Primitive* p){
     RigidBodyTransformation* r = new RigidBodyTransformation();
+    QString n = "RBT Group ";
+    n.append(QString::number(idCounter));
+    idCounter++;
+    r->setName(n);
     nodes.append(r);
-    model->addNewTransformToRoot(r,p);
+    lastAddedIndex = model->addNewTransformToRoot(r,p);
     qDebug() << "added primitive to root. childlength: " << r->getChildren().length();
 //    model->insertRows(1,1,QModelIndex());
     notifyViews();
@@ -114,6 +113,15 @@ RigidBodyTransformation* SceneGraph::deleteNode(RigidBodyTransformation *r){
     else return 0;
 }
 
+QModelIndex SceneGraph::getIndex(TreeItem *item){
+    return model->getIndex(item);
+}
+
+QModelIndex SceneGraph::getLastAddedIndex(){
+    qDebug() << "last index " << lastAddedIndex;
+    return lastAddedIndex;
+}
+
 //transform something
 void SceneGraph::addRotation(RigidBodyTransformation *r, QQuaternion diff){
     r->addRotation(diff);

helloqube/scenegraph.h

@@ -35,6 +35,8 @@ public:
     MyItemModel* getModel();
 
     TreeItem* getItem(QModelIndex q);
+    QModelIndex getIndex(TreeItem* item);
+    QModelIndex getLastAddedIndex();//Index of last added tree item
 
 //Hallo. Todos:
     //Log selected name in status bar
@@ -64,6 +66,8 @@ private:
 
     MyItemModel* model;
 
+    QModelIndex lastAddedIndex;
+
 
 };
 

helloqube/treeitem.cpp

@@ -14,6 +14,15 @@ TreeItem::~TreeItem(){
     }
 }
 
+void TreeItem::setName(QString newName){
+    name = newName;
+    qDebug() << "Name set to "  << name;
+}
+
+QString TreeItem::getName(){
+    return name;
+}
+
 void TreeItem::setParent(TreeItem *parent){
     this->parent = parent;
 }
@@ -26,9 +35,13 @@ int TreeItem::getChildrenCount(){
     return children.length();
 }
 
-//adds to child list AND sets itself as parent.
-void TreeItem::addChild(TreeItem *item){
+//adds to child list before [index] AND sets itself as parent.
+void TreeItem::addChild(TreeItem *item, int index){
+    if (index >= children.length()){
         children.append(item);
+    }else{
+        children.insert(index,item);
+    }
     item->setParent(this);
 }
 

helloqube/treeitem.h

@@ -18,10 +18,13 @@ public:
 
     virtual QVariant data(int column); //returns QVariant for name string
 
-    void addChild(TreeItem* item);
+    void addChild(TreeItem* item, int row);
     bool removeChild(TreeItem* item);
     void setParent(TreeItem* parent);
 
+    void setName(QString newName);
+    QString getName();
+
     int childNumber();
 protected:
     TreeItem* parent;