added name CHange

A2/hellocube.pro

@@ -23,7 +23,8 @@ SOURCES += main.cpp\
     camera.cpp \
     sceneprimitive.cpp \
     sceneobject.cpp \
-    scenenode.cpp
+    scenenode.cpp \
+    treedelegate.cpp
 
 HEADERS  += mainwindow.h \
     cubewidget.h \
@@ -34,7 +35,8 @@ HEADERS  += mainwindow.h \
     sceneprimitive.h \
     sceneobject.h \
     scenenode.h \
-    glut.h
+    glut.h \
+    treedelegate.h
 
 RESOURCES += \
     hellocube.qrc

A2/mainwindow.cpp

 #include "mainwindow.h"
-
+#include <treedelegate.h>
 
 
 MainWindow::MainWindow(QWidget *parent)
@@ -264,6 +264,7 @@ MainWindow::MainWindow(QWidget *parent)
 
 }
 
+
 void MainWindow::initDoc()
 {
     QDockWidget *dock = new QDockWidget("Scene", this);
@@ -273,7 +274,10 @@ void MainWindow::initDoc()
     sceneView->setSelectionBehavior(QAbstractItemView::SelectRows);
     sceneView->expandAll();
     sceneView->setModel(scene);
+    TreeDelegate *delegate = new TreeDelegate();
+    sceneView->setItemDelegate(delegate);
     connect(sceneView,SIGNAL(clicked(QModelIndex)),scene, SLOT(objectSelected(QModelIndex)));
+    connect(delegate,SIGNAL(nameChanged()),this, SLOT(updateStatusBar()));
 
     dock->setWidget(sceneView);
 

A2/scene.cpp

@@ -5,7 +5,7 @@
 Scene::Scene(      )
 {
     root = new SceneNode();
-    root->setName("ROOT");
+    root->setName("<NONE>");
     active = root;
     activeIndex = QModelIndex();
 }

A2/treedelegate.cpp

+#include "treedelegate.h"
+#include <QDebug>
+#include <QLineEdit>
+#include <QString>
+#include <scene.h>
+
+TreeDelegate::TreeDelegate()
+{
+
+}
+
+void TreeDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
+                                const QModelIndex &index) const
+{
+    qDebug()<<"out";
+    QLineEdit *lineEdit = qobject_cast<QLineEdit *>(editor);
+    if (!lineEdit->isModified()) {
+        return;
+    }
+    QString text = lineEdit->text();
+    text = text.trimmed();
+    if (text.isEmpty()) {
+        // If text is empty, do nothing - preserve the old value.
+        return;
+    } else {
+        if (index.isValid()) {
+            SceneObject *item = static_cast<SceneObject*>(index.internalPointer());
+            if (item)
+                item->setName(text);
+        }
+        emit nameChanged();
+    }
+}
+

A2/treedelegate.h

+#ifndef TREEDELEGATE_H
+#define TREEDELEGATE_H
+
+#include <QItemDelegate>
+
+class TreeDelegate : public QItemDelegate
+{
+        Q_OBJECT;
+public:
+    TreeDelegate();
+    void setModelData(QWidget *editor, QAbstractItemModel *model,
+                          const QModelIndex &index) const;
+signals:
+    void nameChanged() const;
+};
+
+#endif // TREEDELEGATE_H