added the action preview in the teacher bar

src/gui/UBTeacherBarWidget.cpp

@@ -881,9 +881,10 @@ void UBTeacherBarPreviewWidget::setActions(QStringList actions)
             if(2 <= desc.size()){
                 QString owner = desc.at(0);
                 QString act = desc.at(1);
-
-                // TODO : Create the action widget here and add it to mWidgets
-
+                mpTmpAction = new UBActionPreview(this);
+                mpTmpAction->setOwner(owner);
+                mpTmpAction->setContent(act);
+                mWidgets << mpTmpAction;
             }
         }
         mMediaViewer.loadWidgets(mWidgets);
@@ -967,3 +968,57 @@ void UBTeacherBarPreviewMedia::loadMedia(QStringList pMedias)
         }
     }
 }
+
+// -----------------------------------------------------------------------------------------------
+UBActionPreview::UBActionPreview(QWidget *parent, const char *name):QWidget(parent)
+  , mpOwner(NULL)
+  , mpContent(NULL)
+{
+    setObjectName(name);
+    setLayout(&mLayout);
+    mpOwner = new QLabel(this);
+    mpOwner->setObjectName("UBActionPreviewOwner");
+    mOwnerLayout.addWidget(mpOwner, 0);
+    mOwnerLayout.addStretch(1);
+    mLayout.addLayout(&mOwnerLayout);
+    mpContent = new QLabel(this);
+    mpContent->setObjectName("UBActionPreviewContent");
+    mpContent->setWordWrap(true);
+    mLayout.addWidget(mpContent);
+}
+
+UBActionPreview::~UBActionPreview()
+{
+    if(NULL != mpOwner){
+        delete mpOwner;
+        mpOwner = NULL;
+    }
+    if(NULL != mpContent){
+        delete mpContent;
+        mpContent = NULL;
+    }
+}
+
+void UBActionPreview::setOwner(const QString &owner)
+{
+    if(NULL != mpOwner && NULL != mpContent){
+        switch(owner.toInt()){
+            case eActionOwner_Teacher:
+                mpOwner->setText(tr("Teacher"));
+                mpContent->setStyleSheet("background:lightblue;");
+                break;
+
+            case eActionOwner_Student:
+                mpOwner->setText(tr("Student"));
+                mpContent->setStyleSheet("background:lightgreen;");
+                break;
+        }
+    }
+}
+
+void UBActionPreview::setContent(const QString &content)
+{
+    if(NULL != mpContent){
+        mpContent->setText(content);
+    }
+}

src/gui/UBTeacherBarWidget.h

@@ -27,6 +27,11 @@ typedef enum{
     eDuration_ThreeQuarter
 }eDuration;
 
+typedef enum{
+    eActionOwner_Teacher,
+    eActionOwner_Student
+}eActionOwner;
+
 class UBTeacherStudentAction : public QWidget
 {
     Q_OBJECT
@@ -107,6 +112,22 @@ private:
     QLineEdit* mpUrl;
 };
 
+class UBActionPreview : public QWidget
+{
+public:
+    UBActionPreview(QWidget* parent=0, const char* name="UBActionPreview");
+    ~UBActionPreview();
+    void setOwner(const QString& owner);
+    void setContent(const QString& content);
+
+private:
+    QLabel* mpOwner;
+    QLabel* mpContent;
+
+    QVBoxLayout mLayout;
+    QHBoxLayout mOwnerLayout;
+};
+
 class UBTeacherBarPreviewWidget : public QWidget
 {
     Q_OBJECT
@@ -145,6 +166,7 @@ private:
     QLabel* mpComments;
     QLabel* mpLinksLabel;
     QLabel* mpTmpLink;
+    UBActionPreview* mpTmpAction;
 };
 
 class UBTeacherBarWidget : public UBDockPaletteWidget