fixed issue 663

resources/customizations/teacherGuide/indexingParameters.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <teacherGuide>
     <gradeLevels>
+        <gradeLevel label="" baseLevel="Maternelle"/>
         <gradeLevel label="Petite Section (3-4 ans)" baseLevel="Maternelle"/>
         <gradeLevel label="Moyenne Section (4-5 ans)" baseLevel="Maternelle"/>
         <gradeLevel label="Grande Section (5-6 ans)" baseLevel="Maternelle"/>
@@ -22,6 +23,7 @@
         <gradeLevel label="Education Spécialisée" baseLevel="Enseignement Professionnel" />
     </gradeLevels>
     <subjects baseLevel="Maternelle">
+        <subject label="" />
         <subject label="Percevoir, sentir, imaginer, créer" />
         <subject label="Découvrir l'écrit" />
         <subject label="S'approprier le langage" />
@@ -29,6 +31,7 @@
         <subject label="Découvrir le monde" />
     </subjects>
     <subjects baseLevel="Elémentaire">
+        <subject label="" />
         <subject label="Pratiques artistiques" />
         <subject label="Pratiques artistiques - arts visuels" />
         <subject label="Pratiques artistiques - éducation musicale" />
@@ -50,6 +53,7 @@
         <subject label="TUIC" />
     </subjects>
     <subjects baseLevel="Collège">
+        <subject label="" />
         <subject label="Pratiques artistiques" />
         <subject label="Pratiques artistiques - arts visuels" />
         <subject label="Pratiques artistiques - éducation musicale" />
@@ -80,6 +84,7 @@
         <subject label="Education aux médias" />
     </subjects>
     <subjects baseLevel="Lycée">
+        <subject label="" />
         <subject label="Enseignements artistiques" />
         <subject label="Agriculture" />
         <subject label="Arts" />
@@ -125,6 +130,7 @@
         <subject label="Philosophie" />
     </subjects>
     <subjects baseLevel="Enseignement Professionnel">
+        <subject label="" />
         <subject label="Enseignements artistiques" />
         <subject label="Agriculture" />
         <subject label="Arts" />
@@ -169,6 +175,7 @@
         <subject label="Philosophie" />
     </subjects>
     <types>
+        <type label="" />
         <type label="Activité : Evaluation/Travail à la maison" />
         <type label="Activité : Exercice" />
         <type label="Activité : Travaux Pratiques" />

src/adaptors/UBSvgSubsetAdaptor.cpp

@@ -45,6 +45,7 @@
 #include "board/UBBoardView.h"
 #include "board/UBBoardController.h"
 #include "board/UBDrawingController.h"
+#include "board/UBBoardPaletteManager.h"
 
 #include "frameworks/UBFileSystemUtils.h"
 #include "frameworks/UBStringUtils.h"
@@ -54,6 +55,9 @@
 #include "core/UBPersistenceManager.h"
 #include "core/UBApplication.h"
 
+#include "gui/UBTeacherGuideWidget.h"
+#include "gui/UBDockTeacherGuideWidget.h"
+
 #include "interfaces/IDataStorage.h"
 
 #include "document/UBDocumentContainer.h"
@@ -1142,7 +1146,7 @@ void UBSvgSubsetAdaptor::UBSvgSubsetWriter::writeSvgElement()
 
 bool UBSvgSubsetAdaptor::UBSvgSubsetWriter::persistScene(int pageIndex)
 {
-    if (mScene->isModified())
+    if (mScene->isModified() || (UBApplication::boardController->paletteManager()->teacherGuideDockWidget() && UBApplication::boardController->paletteManager()->teacherGuideDockWidget()->teacherGuideWidget()->isModified()))
     {
 
         //Creating dom structure to store information

src/board/UBBoardController.cpp

@@ -38,6 +38,9 @@
 #include "gui/UBToolWidget.h"
 #include "gui/UBKeyboardPalette.h"
 #include "gui/UBMagnifer.h"
+#include "gui/UBDockPaletteWidget.h"
+#include "gui/UBDockTeacherGuideWidget.h"
+#include "gui/UBTeacherGuideWidget.h"
 
 #include "domain/UBGraphicsPixmapItem.h"
 #include "domain/UBGraphicsItemUndoCommand.h"
@@ -1464,7 +1467,10 @@ void UBBoardController::lastWindowClosed()
 {
     if (!mCleanupDone)
     {
-        if (selectedDocument()->pageCount() == 1 && (!mActiveScene || mActiveScene->isEmpty()))
+        bool teacherGuideModified = false;
+        if(UBApplication::boardController->paletteManager()->teacherGuideDockWidget())
+            teacherGuideModified = UBApplication::boardController->paletteManager()->teacherGuideDockWidget()->teacherGuideWidget()->isModified();
+        if (selectedDocument()->pageCount() == 1 && (!mActiveScene || mActiveScene->isEmpty()) && !teacherGuideModified)
         {
             UBPersistenceManager::persistenceManager()->deleteDocument(selectedDocument());
         }
@@ -1591,7 +1597,7 @@ void UBBoardController::persistCurrentScene()
     if(UBPersistenceManager::persistenceManager()
             && selectedDocument() && mActiveScene
             && (mActiveSceneIndex >= 0)
-            && mActiveScene->isModified())
+            && (mActiveScene->isModified() || (UBApplication::boardController->paletteManager()->teacherGuideDockWidget() && UBApplication::boardController->paletteManager()->teacherGuideDockWidget()->teacherGuideWidget()->isModified())))
     {
         emit activeSceneWillBePersisted();
 

src/board/UBBoardPaletteManager.h

@@ -69,6 +69,8 @@ class UBBoardPaletteManager : public QObject
         void setCurrentWebToolsPalette(UBWebToolsPalette *palette) {mWebToolsCurrentPalette = palette;}
         UBWebToolsPalette* mWebToolsCurrentPalette;
 
+        UBDockTeacherGuideWidget* teacherGuideDockWidget() { return mpTeacherGuideWidget;}
+
         void processPalettersWidget(UBDockPalette *paletter, eUBDockPaletteWidgetMode mode);
         void changeMode(eUBDockPaletteWidgetMode newMode, bool isInit = false);
         void startDownloads();

src/core/UBApplicationController.cpp

@@ -40,6 +40,8 @@
 
 #include "gui/UBScreenMirror.h"
 #include "gui/UBMainWindow.h"
+#include "gui/UBDockTeacherGuideWidget.h"
+#include "gui/UBTeacherGuideWidget.h"
 
 #include "domain/UBGraphicsPixmapItem.h"
 #include "domain/UBW3CWidget.h"
@@ -419,7 +421,7 @@ void UBApplicationController::showDocument()
 
     if (UBApplication::boardController)
     {
-        if (UBApplication::boardController->activeScene()->isModified())
+        if (UBApplication::boardController->activeScene()->isModified() || (UBApplication::boardController->paletteManager()->teacherGuideDockWidget() && UBApplication::boardController->paletteManager()->teacherGuideDockWidget()->teacherGuideWidget()->isModified()))
             UBApplication::boardController->persistCurrentScene();
         UBApplication::boardController->hide();
     }

src/core/UBPersistenceManager.cpp

@@ -25,6 +25,9 @@
 #include "core/UBSettings.h"
 #include "core/UBSetting.h"
 
+#include "gui/UBDockTeacherGuideWidget.h"
+#include "gui/UBTeacherGuideWidget.h"
+
 #include "document/UBDocumentProxy.h"
 
 #include "adaptors/UBExportPDF.h"
@@ -33,6 +36,7 @@
 #include "adaptors/UBMetadataDcSubsetAdaptor.h"
 
 #include "board/UBBoardController.h"
+#include "board/UBBoardPaletteManager.h"
 
 #include "interfaces/IDataStorage.h"
 
@@ -591,7 +595,6 @@ UBGraphicsScene* UBPersistenceManager::loadDocumentScene(UBDocumentProxy* proxy,
     }
 }
 
-
 void UBPersistenceManager::persistDocumentScene(UBDocumentProxy* pDocumentProxy, UBGraphicsScene* pScene, const int pSceneIndex)
 {
     checkIfDocumentRepositoryExists();
@@ -603,10 +606,15 @@ void UBPersistenceManager::persistDocumentScene(UBDocumentProxy* pDocumentProxy,
     QDir dir(pDocumentProxy->persistencePath());
     dir.mkpath(pDocumentProxy->persistencePath());
 
-    if (pDocumentProxy->isModified())
+    UBBoardPaletteManager* paletteManager = UBApplication::boardController->paletteManager();
+    bool teacherGuideModified = false;
+    if(paletteManager->teacherGuideDockWidget())
+    	teacherGuideModified = paletteManager->teacherGuideDockWidget()->teacherGuideWidget()->isModified();
+
+    if (pDocumentProxy->isModified() || teacherGuideModified)
         UBMetadataDcSubsetAdaptor::persist(pDocumentProxy);
 
-    if (pScene->isModified())
+    if (pScene->isModified() || teacherGuideModified)
     {
         UBSvgSubsetAdaptor::persistScene(pDocumentProxy, pScene, pSceneIndex);
 

src/gui/UBDockTeacherGuideWidget.cpp

@@ -44,3 +44,8 @@ UBDockTeacherGuideWidget::~UBDockTeacherGuideWidget()
     DELETEPTR(mpTeacherGuideWidget);
     DELETEPTR(mpLayout);
 }
+
+UBTeacherGuideWidget* UBDockTeacherGuideWidget::teacherGuideWidget()
+{
+	return mpTeacherGuideWidget;
+}

src/gui/UBDockTeacherGuideWidget.h

@@ -31,6 +31,8 @@ public:
 
     bool visibleInMode(eUBDockPaletteWidgetMode mode){ return mode == eUBDockPaletteWidget_BOARD; }
 
+    UBTeacherGuideWidget* teacherGuideWidget();
+
 private:
     QVBoxLayout* mpLayout;
     UBTeacherGuideWidget* mpTeacherGuideWidget;

src/gui/UBTeacherGuideWidget.cpp

@@ -49,15 +49,12 @@
 
 #define UBTG_SEPARATOR_FIXED_HEIGHT 3
 
-typedef enum
-{
+typedef enum {
     eUBTGAddSubItemWidgetType_None,
-    eUBTGAddSubItemWidgetType_Action ,
+    eUBTGAddSubItemWidgetType_Action,
     eUBTGAddSubItemWidgetType_Media,
     eUBTGAddSubItemWidgetType_Url
-}eUBTGAddSubItemWidgetType;
-
-
+} eUBTGAddSubItemWidgetType;
 
 /***************************************************************************
  *               class    UBTeacherGuideEditionWidget                      *
@@ -86,18 +83,18 @@ UBTeacherGuideEditionWidget::UBTeacherGuideEditionWidget(QWidget *parent, const
     mpLayout->addWidget(mpPageNumberLabel);
     // tree basic configuration
 
-    if(UBSettings::settings()->teacherGuidePageZeroActivated->get().toBool()){
+    if (UBSettings::settings()->teacherGuidePageZeroActivated->get().toBool()) {
         mpDocumentTitle = new QLabel(this);
         mpDocumentTitle->setObjectName("UBTGPresentationDocumentTitle");
         mpLayout->addWidget(mpDocumentTitle);
     }
 
-    mpPageTitle = new UBTGAdaptableText(0,this);
+    mpPageTitle = new UBTGAdaptableText(0, this);
     mpPageTitle->setObjectName("UBTGEditionPageTitle");
     mpPageTitle->setPlaceHolderText(tr("Type title here ..."));
     mpLayout->addWidget(mpPageTitle);
 
-    mpComment = new UBTGAdaptableText(0,this);
+    mpComment = new UBTGAdaptableText(0, this);
     mpComment->setObjectName("UBTGEditionComment");
     mpComment->setPlaceHolderText(tr("Type comment here ..."));
     mpLayout->addWidget(mpComment);
@@ -122,20 +119,20 @@ UBTeacherGuideEditionWidget::UBTeacherGuideEditionWidget(QWidget *parent, const
     mpTreeWidget->header()->setResizeMode(1, QHeaderView::Fixed);
     mpTreeWidget->header()->setDefaultSectionSize(18);
 
-    connect(mpTreeWidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
-    connect(UBApplication::boardController,SIGNAL(activeSceneChanged()),this,SLOT(onActiveSceneChanged()));
+    connect(mpTreeWidget, SIGNAL(itemClicked(QTreeWidgetItem*,int)), this, SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
+    connect(UBApplication::boardController, SIGNAL(activeSceneChanged()), this, SLOT(onActiveSceneChanged()));
 
-    mpAddAnActionItem = new UBAddItem(tr("Add an action"),eUBTGAddSubItemWidgetType_Action,mpTreeWidget);
-    mpAddAMediaItem = new UBAddItem(tr("Add a media"),eUBTGAddSubItemWidgetType_Media,mpTreeWidget);
-    mpAddALinkItem = new UBAddItem(tr("Add a link"),eUBTGAddSubItemWidgetType_Url,mpTreeWidget);
+    mpAddAnActionItem = new UBAddItem(tr("Add an action"), eUBTGAddSubItemWidgetType_Action, mpTreeWidget);
+    mpAddAMediaItem = new UBAddItem(tr("Add a media"), eUBTGAddSubItemWidgetType_Media, mpTreeWidget);
+    mpAddALinkItem = new UBAddItem(tr("Add a link"), eUBTGAddSubItemWidgetType_Url, mpTreeWidget);
 
     mpRootWidgetItem->addChild(mpAddAnActionItem);
     mpRootWidgetItem->addChild(mpAddAMediaItem);
     mpRootWidgetItem->addChild(mpAddALinkItem);
 
-    if(UBSettings::settings()->teacherGuideLessonPagesActivated->get().toBool()){
-        UBSvgSubsetAdaptor::addElementToBeStored(QString("teacherGuide"),this);
-        connect(UBApplication::boardController,SIGNAL(documentSet(UBDocumentProxy*)),this,SLOT(onActiveDocumentChanged()));
+    if (UBSettings::settings()->teacherGuideLessonPagesActivated->get().toBool()) {
+        UBSvgSubsetAdaptor::addElementToBeStored(QString("teacherGuide"), this);
+        connect(UBApplication::boardController, SIGNAL(documentSet(UBDocumentProxy*)), this, SLOT(onActiveDocumentChanged()));
     }
 }
 
@@ -149,7 +146,7 @@ UBTeacherGuideEditionWidget::~UBTeacherGuideEditionWidget()
     DELETEPTR(mpAddAnActionItem);
     DELETEPTR(mpAddAMediaItem);
     DELETEPTR(mpAddALinkItem);
-    DELETEPTR(mpTreeWidget)
+    DELETEPTR(mpTreeWidget);
     DELETEPTR(mpLayout);
 }
 
@@ -162,7 +159,7 @@ void UBTeacherGuideEditionWidget::showEvent(QShowEvent* event)
 void UBTeacherGuideEditionWidget::onActiveDocumentChanged()
 {
     int activeSceneIndex = UBApplication::boardController->activeSceneIndex();
-    if(UBApplication::boardController->pageFromSceneIndex(activeSceneIndex) != 0)
+    if (UBApplication::boardController->pageFromSceneIndex(activeSceneIndex) != 0)
         load(UBSvgSubsetAdaptor::readTeacherGuideNode(activeSceneIndex));
 }
 
@@ -172,61 +169,62 @@ void UBTeacherGuideEditionWidget::load(QString element)
     QDomDocument doc("TeacherGuide");
     doc.setContent(element);
 
-    for(QDomElement element = doc.documentElement().firstChildElement(); !element.isNull(); element = element.nextSiblingElement()) {
+    for (QDomElement element = doc.documentElement().firstChildElement();
+         !element.isNull(); element = element.nextSiblingElement()) {
         QString tagName = element.tagName();
-        if(tagName == "title")
+        if (tagName == "title")
             mpPageTitle->setInitialText(element.attribute("value"));
-        else if(tagName == "comment")
+        else if (tagName == "comment")
             mpComment->setInitialText(element.attribute("value"));
-        else if(tagName == "media")
-            onAddItemClicked(mpAddAMediaItem,0,&element);
-        else if(tagName == "link")
-            onAddItemClicked(mpAddALinkItem,0,&element);
-        else if(tagName == "action")
-            onAddItemClicked(mpAddAnActionItem,0,&element);
+        else if (tagName == "media")
+            onAddItemClicked(mpAddAMediaItem, 0, &element);
+        else if (tagName == "link")
+            onAddItemClicked(mpAddALinkItem, 0, &element);
+        else if (tagName == "action")
+            onAddItemClicked(mpAddAnActionItem, 0, &element);
     }
 }
 
-
-
 QVector<tIDataStorage*> UBTeacherGuideEditionWidget::save(int pageIndex)
 {
     QVector<tIDataStorage*> result;
-    if(pageIndex != UBApplication::boardController->currentPage())
+    if (pageIndex != UBApplication::boardController->currentPage())
         return result;
     tIDataStorage* data = new tIDataStorage();
     data->name = "teacherGuide";
     data->type = eElementType_START;
-    data->attributes.insert("version","2.00");
+    data->attributes.insert("version", "2.00");
     result << data;
 
     data = new tIDataStorage();
     data->name = "title";
     data->type = eElementType_UNIQUE;
-    data->attributes.insert("value",mpPageTitle->text());
-    if(mpPageTitle->text().length()){
+    data->attributes.insert("value", mpPageTitle->text());
+    if (mpPageTitle->text().length())
         result << data;
-    }
 
     data = new tIDataStorage();
     data->name = "comment";
     data->type = eElementType_UNIQUE;
-    data->attributes.insert("value",mpComment->text());
-    if(mpComment->text().length())
+    data->attributes.insert("value", mpComment->text());
+    if (mpComment->text().length())
         result << data;
 
     QList<QTreeWidgetItem*> children = getChildrenList(mpAddAnActionItem);
     children << getChildrenList(mpAddAMediaItem);
     children << getChildrenList(mpAddALinkItem);
 
-    foreach(QTreeWidgetItem* widgetItem, children){
-        tUBGEElementNode* node = dynamic_cast<iUBTGSaveData*>(mpTreeWidget->itemWidget(widgetItem,0))->saveData();
-        if(node){
+    foreach(QTreeWidgetItem* widgetItem, children) {
+        tUBGEElementNode* node =
+                dynamic_cast<iUBTGSaveData*>(mpTreeWidget->itemWidget(
+                                                 widgetItem, 0))->saveData();
+        if (node) {
             data = new tIDataStorage();
             data->name = node->name;
             data->type = eElementType_UNIQUE;
             foreach(QString currentKey, node->attributes.keys())
-                data->attributes.insert(currentKey,node->attributes.value(currentKey));
+                data->attributes.insert(currentKey,
+                                        node->attributes.value(currentKey));
             result << data;
         }
     }
@@ -241,12 +239,12 @@ QVector<tIDataStorage*> UBTeacherGuideEditionWidget::save(int pageIndex)
 void UBTeacherGuideEditionWidget::onActiveSceneChanged()
 {
     int currentPage = UBApplication::boardController->currentPage();
-    if(currentPage > 0){
+    if (currentPage > 0) {
         cleanData();
-        load(UBSvgSubsetAdaptor::readTeacherGuideNode(UBApplication::boardController->activeSceneIndex()));
+        load( UBSvgSubsetAdaptor::readTeacherGuideNode( UBApplication::boardController->activeSceneIndex()));
         mpPageNumberLabel->setText(tr("Page: %0").arg(currentPage));
         UBDocumentProxy* documentProxy = UBApplication::boardController->selectedDocument();
-        if(mpDocumentTitle)
+        if (mpDocumentTitle)
             mpDocumentTitle->setText(documentProxy->metaData(UBSettings::sessionTitle).toString());
     }
 }
@@ -259,44 +257,46 @@ void UBTeacherGuideEditionWidget::cleanData()
     children << mpAddAMediaItem->takeChildren();
     children << mpAddALinkItem->takeChildren();
 
-    foreach(QTreeWidgetItem* item, children){
+    foreach(QTreeWidgetItem* item, children) {
         DELETEPTR(item);
     }
 }
 
-QList<QTreeWidgetItem*> UBTeacherGuideEditionWidget::getChildrenList(QTreeWidgetItem* widgetItem)
+QList<QTreeWidgetItem*> UBTeacherGuideEditionWidget::getChildrenList( QTreeWidgetItem* widgetItem)
 {
-    QList<QTreeWidgetItem*>result;
-    for(int i=0;i<widgetItem->childCount();i+=1)
+    QList<QTreeWidgetItem*> result;
+    for (int i = 0; i < widgetItem->childCount(); i += 1)
         result << widgetItem->child(i);
     return result;
 }
 
 QVector<tUBGEElementNode*> UBTeacherGuideEditionWidget::getPageAndCommentData()
 {
-    QVector<tUBGEElementNode*>result;
+    QVector<tUBGEElementNode*> result;
     tUBGEElementNode* pageTitle = new tUBGEElementNode();
     pageTitle->name = "pageTitle";
-    pageTitle->attributes.insert("value",mpPageTitle->text());
+    pageTitle->attributes.insert("value", mpPageTitle->text());
     result << pageTitle;
 
     tUBGEElementNode* comment = new tUBGEElementNode();
     comment->name = "comment";
-    comment->attributes.insert("value",mpComment->text());
+    comment->attributes.insert("value", mpComment->text());
     result << comment;
     return result;
 }
 
 QVector<tUBGEElementNode*> UBTeacherGuideEditionWidget::getData()
 {
-    QVector<tUBGEElementNode*>result;
+    QVector<tUBGEElementNode*> result;
     QList<QTreeWidgetItem*> children = getChildrenList(mpAddAnActionItem);
     children << getChildrenList(mpAddAMediaItem);
     children << getChildrenList(mpAddALinkItem);
     result << getPageAndCommentData();
-    foreach(QTreeWidgetItem* widgetItem, children){
-        tUBGEElementNode* node = dynamic_cast<iUBTGSaveData*>(mpTreeWidget->itemWidget(widgetItem,0))->saveData();
-        if(node)
+    foreach(QTreeWidgetItem* widgetItem, children) {
+        tUBGEElementNode* node =
+                dynamic_cast<iUBTGSaveData*>(mpTreeWidget->itemWidget(
+                                                 widgetItem, 0))->saveData();
+        if (node)
             result << node;
     }
     return result;
@@ -304,31 +304,33 @@ QVector<tUBGEElementNode*> UBTeacherGuideEditionWidget::getData()
 
 void UBTeacherGuideEditionWidget::onAddItemClicked(QTreeWidgetItem* widget, int column, QDomElement *element)
 {
-    int addSubItemWidgetType = widget->data(column,Qt::UserRole).toInt();
-    if(addSubItemWidgetType != eUBTGAddSubItemWidgetType_None){
+    int addSubItemWidgetType = widget->data(column, Qt::UserRole).toInt();
+    if (addSubItemWidgetType != eUBTGAddSubItemWidgetType_None) {
         QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(widget);
-        newWidgetItem->setData(column,Qt::UserRole,eUBTGAddSubItemWidgetType_None);
-        newWidgetItem->setData(1,Qt::UserRole,eUBTGAddSubItemWidgetType_None);
-        newWidgetItem->setIcon(1,QIcon(":images/close.svg"));
+        newWidgetItem->setData(column, Qt::UserRole, eUBTGAddSubItemWidgetType_None);
+        newWidgetItem->setData(1, Qt::UserRole, eUBTGAddSubItemWidgetType_None);
+        newWidgetItem->setIcon(1, QIcon(":images/close.svg"));
 
-        switch(addSubItemWidgetType)
-        {
-        case eUBTGAddSubItemWidgetType_Action:{
+        switch (addSubItemWidgetType) {
+        case eUBTGAddSubItemWidgetType_Action: {
             UBTGActionWidget* actionWidget = new UBTGActionWidget(widget);
-            if(element) actionWidget->initializeWithDom(*element);
-            mpTreeWidget->setItemWidget(newWidgetItem,0,actionWidget);
+            if (element)
+                actionWidget->initializeWithDom(*element);
+            mpTreeWidget->setItemWidget(newWidgetItem, 0, actionWidget);
             break;
         }
-        case eUBTGAddSubItemWidgetType_Media:{
+        case eUBTGAddSubItemWidgetType_Media: {
             UBTGMediaWidget* mediaWidget = new UBTGMediaWidget(widget);
-            if(element) mediaWidget->initializeWithDom(*element);
-            mpTreeWidget->setItemWidget(newWidgetItem,0,mediaWidget);
+            if (element)
+                mediaWidget->initializeWithDom(*element);
+            mpTreeWidget->setItemWidget(newWidgetItem, 0, mediaWidget);
             break;
         }
-        case eUBTGAddSubItemWidgetType_Url:{
+        case eUBTGAddSubItemWidgetType_Url: {
             UBTGUrlWidget* urlWidget = new UBTGUrlWidget();
-            if(element) urlWidget->initializeWithDom(*element);
-            mpTreeWidget->setItemWidget(newWidgetItem,0,urlWidget);
+            if (element)
+                urlWidget->initializeWithDom(*element);
+            mpTreeWidget->setItemWidget(newWidgetItem, 0, urlWidget);
             break;
         }
         default:
@@ -337,42 +339,53 @@ void UBTeacherGuideEditionWidget::onAddItemClicked(QTreeWidgetItem* widget, int
             return;
         }
 
-        if(addSubItemWidgetType != eUBTGAddSubItemWidgetType_None && !widget->isExpanded() )
+        if (addSubItemWidgetType != eUBTGAddSubItemWidgetType_None && !widget->isExpanded())
             widget->setExpanded(true);
-        else{
+        else {
             //to update the tree and subtrees
             widget->setExpanded(false);
             widget->setExpanded(true);
         }
-    }
-    else if(column == 1 && addSubItemWidgetType == eUBTGAddSubItemWidgetType_None){
-        UBTGMediaWidget* media = dynamic_cast<UBTGMediaWidget*>(mpTreeWidget->itemWidget(widget,0));
-        if(media) media->removeSource();
+    } else if (column == 1
+               && addSubItemWidgetType == eUBTGAddSubItemWidgetType_None) {
+        UBTGMediaWidget* media = dynamic_cast<UBTGMediaWidget*>(mpTreeWidget->itemWidget(widget, 0));
+        if (media)
+            media->removeSource();
         int index = mpTreeWidget->currentIndex().row();
-        QTreeWidgetItem* toBeDeletedWidgetItem = widget->parent()->takeChild(index);
+        QTreeWidgetItem* toBeDeletedWidgetItem = widget->parent()->takeChild(
+                    index);
         delete toBeDeletedWidgetItem;
     }
 }
 
+bool UBTeacherGuideEditionWidget::isModified()
+{
+    bool result = false;
+    result |= mpPageTitle->text().length() > 0;
+    result |= mpComment->text().length() > 0;
+    result |= mpAddAnActionItem->childCount() > 0;
+    result |= mpAddAMediaItem->childCount() > 0;
+    result |= mpAddALinkItem->childCount() > 0;
+    return result;
+}
+
 /***************************************************************************
  *           class    UBTeacherGuidePresentationWidget                     *
  ***************************************************************************/
-typedef enum
-{
+typedef enum {
     tUBTGActionAssociateOnClickItem_NONE,
     tUBTGActionAssociateOnClickItem_URL,
     tUBTGActionAssociateOnClickItem_MEDIA,
     tUBTGActionAssociateOnClickItem_EXPAND
-}tUBTGActionAssociateOnClickItem;
+} tUBTGActionAssociateOnClickItem;
 
-typedef enum
-{
+typedef enum {
     tUBTGTreeWidgetItemRole_HasAnAction = Qt::UserRole,
     tUBTGTreeWidgetItemRole_HasAnUrl
-}tUBTGTreeWidgetItemRole;
-
+} tUBTGTreeWidgetItemRole;
 
-UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *parent, const char *name) : QWidget(parent)
+UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *parent, const char *name) :
+    QWidget(parent)
   , mpPageTitle(NULL)
   , mpComment(NULL)
   , mpLayout(NULL)
@@ -402,10 +415,10 @@ UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *pare
     mpModePushButton->setMaximumWidth(32);
     mpModePushButton->installEventFilter(this);
 
-    connect(mpModePushButton,SIGNAL(clicked()),parentWidget(),SLOT(changeMode()));
+    connect(mpModePushButton, SIGNAL(clicked()), parentWidget(), SLOT(changeMode()));
     mpButtonTitleLayout->addWidget(mpModePushButton);
 
-    if(UBSettings::settings()->teacherGuidePageZeroActivated->get().toBool()){
+    if (UBSettings::settings()->teacherGuidePageZeroActivated->get().toBool()) {
         mpDocumentTitle = new QLabel(this);
         mpDocumentTitle->setObjectName("UBTGPresentationDocumentTitle");
         mpButtonTitleLayout->addWidget(mpDocumentTitle);
@@ -413,13 +426,13 @@ UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *pare
 
     mpLayout->addLayout(mpButtonTitleLayout);
 
-    mpPageTitle = new UBTGAdaptableText(0,this);
+    mpPageTitle = new UBTGAdaptableText(0, this);
     mpPageTitle->setObjectName("UBTGPresentationPageTitle");
     mpPageTitle->setReadOnly(true);
     mpPageTitle->setStyleSheet("background-color:transparent");
     mpLayout->addWidget(mpPageTitle);
 
-    mpComment = new UBTGAdaptableText(0,this);
+    mpComment = new UBTGAdaptableText(0, this);
     mpComment->setObjectName("UBTGPresentationComment");
     mpComment->setReadOnly(true);
     mpComment->setStyleSheet("background-color:transparent");
@@ -440,8 +453,8 @@ UBTeacherGuidePresentationWidget::UBTeacherGuidePresentationWidget(QWidget *pare
     mpTreeWidget->setDropIndicatorShown(false);
     mpTreeWidget->header()->close();
     mpTreeWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
-    connect(mpTreeWidget,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
-    connect(UBApplication::boardController,SIGNAL(activeSceneChanged()),this,SLOT(onActiveSceneChanged()));
+    connect(mpTreeWidget, SIGNAL(itemClicked(QTreeWidgetItem*,int)), this, SLOT(onAddItemClicked(QTreeWidgetItem*,int)));
+    connect(UBApplication::boardController, SIGNAL(activeSceneChanged()), this, SLOT(onActiveSceneChanged()));
 }
 
 UBTeacherGuidePresentationWidget::~UBTeacherGuidePresentationWidget()
@@ -461,7 +474,7 @@ UBTeacherGuidePresentationWidget::~UBTeacherGuidePresentationWidget()
 bool UBTeacherGuidePresentationWidget::eventFilter(QObject* object, QEvent* event)
 {
     Q_UNUSED(object);
-    if(event->type() == QEvent::HoverEnter || event->type() == QEvent::HoverMove || event->type() == QEvent::HoverLeave)
+    if (event->type() == QEvent::HoverEnter || event->type() == QEvent::HoverMove || event->type() == QEvent::HoverLeave)
         return true;
     return false;
 }
@@ -472,7 +485,7 @@ void UBTeacherGuidePresentationWidget::cleanData()
     mpComment->showText("");
     //tree clean
     QList<QTreeWidgetItem*> itemToRemove = mpRootWidgetItem->takeChildren();
-    foreach(QTreeWidgetItem* eachItem, itemToRemove){
+    foreach(QTreeWidgetItem* eachItem, itemToRemove) {
         DELETEPTR(eachItem);
     }
     // the mpMediaSwitchItem is deleted by the previous loop but the pointer is not set to zero
@@ -482,81 +495,81 @@ void UBTeacherGuidePresentationWidget::cleanData()
 void UBTeacherGuidePresentationWidget::onActiveSceneChanged()
 {
     cleanData();
-    mpPageNumberLabel->setText(tr("Page: %0").arg(UBApplication::boardController->currentPage()));
+    mpPageNumberLabel->setText( tr("Page: %0").arg(UBApplication::boardController->currentPage()));
     UBDocumentProxy* documentProxy = UBApplication::boardController->selectedDocument();
-    if(mpDocumentTitle)
-        mpDocumentTitle->setText(documentProxy->metaData(UBSettings::sessionTitle).toString());
+    if (mpDocumentTitle)
+        mpDocumentTitle->setText( documentProxy->metaData(UBSettings::sessionTitle).toString());
 }
 
 void UBTeacherGuidePresentationWidget::createMediaButtonItem()
 {
-    if(!mpMediaSwitchItem){
+    if (!mpMediaSwitchItem) {
         mpMediaSwitchItem = new QTreeWidgetItem(mpRootWidgetItem);
-        mpMediaSwitchItem->setText(0,"+");
+        mpMediaSwitchItem->setText(0, "+");
         mpMediaSwitchItem->setExpanded(false);
-        mpMediaSwitchItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_EXPAND);
-        mpMediaSwitchItem->setData(0,Qt::BackgroundRole,QVariant(QColor(200,200,200)));
-        mpMediaSwitchItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),16)));
-        mpMediaSwitchItem->setData(0,Qt::TextAlignmentRole,QVariant(Qt::AlignCenter));
+        mpMediaSwitchItem->setData(0, tUBTGTreeWidgetItemRole_HasAnAction, tUBTGActionAssociateOnClickItem_EXPAND);
+        mpMediaSwitchItem->setData(0, Qt::BackgroundRole, QVariant(QColor(200, 200, 200)));
+        mpMediaSwitchItem->setData(0, Qt::FontRole, QVariant(QFont(QApplication::font().family(), 16)));
+        mpMediaSwitchItem->setData(0, Qt::TextAlignmentRole, QVariant(Qt::AlignCenter));
         mpRootWidgetItem->addChild(mpMediaSwitchItem);
     }
 }
 
-
-void UBTeacherGuidePresentationWidget::showData(QVector<tUBGEElementNode*> data)
+void UBTeacherGuidePresentationWidget::showData( QVector<tUBGEElementNode*> data)
 {
     cleanData();
 
-    foreach(tUBGEElementNode* element, data){
-        if(element->name == "pageTitle")
+    foreach(tUBGEElementNode* element, data) {
+        if (element->name == "pageTitle")
             mpPageTitle->showText(element->attributes.value("value"));
         else if (element->name == "comment")
             mpComment->showText(element->attributes.value("value"));
-        else if(element->name == "action"){
-            QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(mpRootWidgetItem);
-            newWidgetItem->setText(0,element->attributes.value("task"));
+        else if (element->name == "action") {
+            QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem( mpRootWidgetItem);
+            newWidgetItem->setText(0, element->attributes.value("task"));
             newWidgetItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
-            QString colorString = element->attributes.value("owner").toInt() == 0 ? "red":"green";
-            UBTGAdaptableText* textWidget = new UBTGAdaptableText(newWidgetItem,0);
+            QString colorString = element->attributes.value("owner").toInt() == 0 ? "red" : "green";
+            UBTGAdaptableText* textWidget = new UBTGAdaptableText(newWidgetItem,
+                                                                  0);
             textWidget->bottomMargin(14);
-            textWidget->setStyleSheet("QWidget {background: #EEEEEE; border:none; color:" + colorString + ";}");
+            textWidget->setStyleSheet( "QWidget {background: #EEEEEE; border:none; color:" + colorString + ";}");
             textWidget->showText(element->attributes.value("task"));
-            textWidget->document()->setDefaultFont(QFont(QApplication::font().family(),11));
-            mpTreeWidget->setItemWidget(newWidgetItem,0,textWidget);
+            textWidget->document()->setDefaultFont( QFont(QApplication::font().family(), 11));
+            mpTreeWidget->setItemWidget(newWidgetItem, 0, textWidget);
 
             mpRootWidgetItem->addChild(newWidgetItem);
         }
-        else if(element->name == "media"){
+        else if (element->name == "media") {
             createMediaButtonItem();
-            QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(mpMediaSwitchItem);
-            newWidgetItem->setIcon(0,QIcon(":images/teacherGuide/"+ element->attributes.value("mediaType") +".png"));
-            newWidgetItem->setText(0,element->attributes.value("title"));
-            newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_MEDIA);
-            newWidgetItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),11)));
-			QString mimeTypeString;
+            QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem( mpMediaSwitchItem);
+            newWidgetItem->setIcon(0, QIcon( ":images/teacherGuide/" + element->attributes.value("mediaType") + ".png"));
+            newWidgetItem->setText(0, element->attributes.value("title"));
+            newWidgetItem->setData(0, tUBTGTreeWidgetItemRole_HasAnAction, tUBTGActionAssociateOnClickItem_MEDIA);
+            newWidgetItem->setData(0, Qt::FontRole, QVariant(QFont(QApplication::font().family(), 11)));
+            QString mimeTypeString;
 #ifdef Q_WS_WIN
-            mimeTypeString =  QUrl::fromLocalFile(UBApplication::boardController->selectedDocument()->persistencePath()+ "/" + element->attributes.value("relativePath")).toString();
+            mimeTypeString = QUrl::fromLocalFile(UBApplication::boardController->selectedDocument()->persistencePath()+ "/" + element->attributes.value("relativePath")).toString();
 #else
-			mimeTypeString = UBApplication::boardController->selectedDocument()->persistencePath()+ "/" + element->attributes.value("relativePath");
+            mimeTypeString = UBApplication::boardController->selectedDocument()->persistencePath() + "/" + element->attributes.value("relativePath");
 #endif
             newWidgetItem->setData(0, TG_USER_ROLE_MIME_TYPE, mimeTypeString);
-            newWidgetItem->setFlags(Qt::ItemIsDragEnabled | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+            newWidgetItem->setFlags( Qt::ItemIsDragEnabled | Qt::ItemIsEnabled | Qt::ItemIsSelectable);
             mpRootWidgetItem->addChild(newWidgetItem);
 
             QTreeWidgetItem* mediaItem = new QTreeWidgetItem(newWidgetItem);
-            mediaItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_NONE);
-            UBTGMediaWidget* mediaWidget = new UBTGMediaWidget(element->attributes.value("relativePath"),newWidgetItem);
+            mediaItem->setData(0, tUBTGTreeWidgetItemRole_HasAnAction, tUBTGActionAssociateOnClickItem_NONE);
+            UBTGMediaWidget* mediaWidget = new UBTGMediaWidget(element->attributes.value("relativePath"), newWidgetItem);
             newWidgetItem->setExpanded(false);
-            mpTreeWidget->setItemWidget(mediaItem,0,mediaWidget);
+            mpTreeWidget->setItemWidget(mediaItem, 0, mediaWidget);
         }
-        else if(element->name == "link"){
+        else if (element->name == "link") {
             createMediaButtonItem();
-            QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem(mpMediaSwitchItem);
-            newWidgetItem->setIcon(0,QIcon(":images/teacherGuide/link.png"));
-            newWidgetItem->setText(0,element->attributes.value("title"));
-            newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnAction,tUBTGActionAssociateOnClickItem_URL);
-            newWidgetItem->setData(0,tUBTGTreeWidgetItemRole_HasAnUrl,QVariant(element->attributes.value("url")));
-            newWidgetItem->setData(0,Qt::FontRole, QVariant(QFont(QApplication::font().family(),11)));
+            QTreeWidgetItem* newWidgetItem = new QTreeWidgetItem( mpMediaSwitchItem);
+            newWidgetItem->setIcon(0, QIcon(":images/teacherGuide/link.png"));
+            newWidgetItem->setText(0, element->attributes.value("title"));
+            newWidgetItem->setData(0, tUBTGTreeWidgetItemRole_HasAnAction, tUBTGActionAssociateOnClickItem_URL);
+            newWidgetItem->setData(0, tUBTGTreeWidgetItemRole_HasAnUrl, QVariant(element->attributes.value("url")));
+            newWidgetItem->setData(0, Qt::FontRole, QVariant(QFont(QApplication::font().family(), 11)));
             newWidgetItem->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
             mpRootWidgetItem->addChild(newWidgetItem);
         }
@@ -565,20 +578,20 @@ void UBTeacherGuidePresentationWidget::showData(QVector<tUBGEElementNode*> data)
 
 void UBTeacherGuidePresentationWidget::onAddItemClicked(QTreeWidgetItem* widget, int column)
 {
-    int associateAction = widget->data(column,tUBTGTreeWidgetItemRole_HasAnAction).toInt();
-    if(column == 0 && associateAction != tUBTGActionAssociateOnClickItem_NONE){
-        switch(associateAction)
-        {
+    int associateAction = widget->data(column,
+                                       tUBTGTreeWidgetItemRole_HasAnAction).toInt();
+    if (column == 0 && associateAction != tUBTGActionAssociateOnClickItem_NONE) {
+        switch (associateAction) {
         case tUBTGActionAssociateOnClickItem_EXPAND:
             widget->setExpanded(!widget->isExpanded());
-            if(widget->isExpanded())
-                 mpMediaSwitchItem->setText(0,"-");
+            if (widget->isExpanded())
+                mpMediaSwitchItem->setText(0, "-");
             else
-                 mpMediaSwitchItem->setText(0,"+");
+                mpMediaSwitchItem->setText(0, "+");
             break;
         case tUBTGActionAssociateOnClickItem_URL:
-            widget->data(column,tUBTGTreeWidgetItemRole_HasAnUrl).toString();
-            UBApplication::webController->loadUrl(QUrl(widget->data(column,tUBTGTreeWidgetItemRole_HasAnUrl).toString()));
+            widget->data(column, tUBTGTreeWidgetItemRole_HasAnUrl).toString();
+            UBApplication::webController->loadUrl( QUrl( widget->data(column, tUBTGTreeWidgetItemRole_HasAnUrl).toString()));
             break;
         case tUBTGActionAssociateOnClickItem_MEDIA:
             widget->setExpanded(!widget->isExpanded());
@@ -589,11 +602,11 @@ void UBTeacherGuidePresentationWidget::onAddItemClicked(QTreeWidgetItem* widget,
     }
 }
 
-
 /***************************************************************************
- *              class   UBTeacherGuidePageZeroEditionWidget                *
+ *                  class   UBTeacherGuidePageZeroWidget                   *
  ***************************************************************************/
-UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, const char* name): QWidget(parent)
+UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, const char* name) :
+    QWidget(parent)
   , mpLayout(NULL)
   , mpButtonTitleLayout(NULL)
   , mpModePushButton(NULL)
@@ -622,7 +635,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
   , mpSchoolTypeValueLabel(NULL)
   , mpSeparatorIndex(NULL)
   , mpLicenceLabel(NULL)
-  , mpLicenceBox(NULL)
+  , mpLicenceBox( NULL)
   , mpLicenceIcon(NULL)
   , mpLicenceLayout(NULL)
   , mpSceneItemSessionTitle(NULL)
@@ -644,9 +657,9 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
     mpModePushButton->setMaximumWidth(32);
     mpModePushButton->installEventFilter(this);
     mpButtonTitleLayout->addWidget(mpModePushButton);
-    connect(mpModePushButton,SIGNAL(clicked()),this,SLOT(switchToMode()));
+    connect(mpModePushButton, SIGNAL(clicked()), this, SLOT(switchToMode()));
 
-    mpSessionTitle = new UBTGAdaptableText(0,this,"UBTGSessionTitle");
+    mpSessionTitle = new UBTGAdaptableText(0, this, "UBTGSessionTitle");
     mpSessionTitle->setPlaceHolderText(tr("Type session title here ..."));
     mpButtonTitleLayout->addWidget(mpSessionTitle);
 
@@ -663,7 +676,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
     mpAuthorsLabel->setStyleSheet(chapterStyle);
     mpLayout->addWidget(mpAuthorsLabel);
 
-    mpAuthors = new UBTGAdaptableText(0,this);
+    mpAuthors = new UBTGAdaptableText(0, this);
     mpAuthors->setObjectName("UBTGZeroPageInputText");
     mpAuthors->setPlaceHolderText(tr("Type authors here ..."));
     mpLayout->addWidget(mpAuthors);
@@ -687,7 +700,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
     mpObjectivesLabel->setStyleSheet(chapterStyle);
     mpLayout->addWidget(mpObjectivesLabel);
 
-    mpObjectives = new UBTGAdaptableText(0,this);
+    mpObjectives = new UBTGAdaptableText(0, this);
     mpObjectives->setObjectName("UBTGZeroPageInputText");
     mpObjectives->setPlaceHolderText(tr("Type objectives here..."));
     mpLayout->addWidget(mpObjectives);
@@ -708,7 +721,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
     mpKeywordsLabel->setText(tr("Keywords:"));
     mpKeywordsLabel->setStyleSheet(chapterStyle);
     mpLayout->addWidget(mpKeywordsLabel);
-    mpKeywords = new UBTGAdaptableText(0,this);
+    mpKeywords = new UBTGAdaptableText(0, this);
     mpKeywords->setPlaceHolderText(tr("Type keywords here ..."));
     mpLayout->addWidget(mpKeywords);
 
@@ -720,7 +733,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
     mpSchoolLevelBox = new QComboBox(this);
     mpSchoolLevelBox->setMinimumHeight(22);
     mpSchoolLevelBox->setObjectName("DockPaletteWidgetComboBox");
-    connect(mpSchoolLevelBox,SIGNAL(currentIndexChanged(QString)),this,SLOT(onSchoolLevelChanged(QString)));
+    connect(mpSchoolLevelBox, SIGNAL(currentIndexChanged(QString)), this, SLOT(onSchoolLevelChanged(QString)));
     mpLayout->addWidget(mpSchoolLevelBox);
     mpSchoolLevelValueLabel = new QLabel(this);
     mpLayout->addWidget(mpSchoolLevelValueLabel);
@@ -771,8 +784,7 @@ UBTeacherGuidePageZeroWidget::UBTeacherGuidePageZeroWidget(QWidget* parent, cons
     mpLayout->addLayout(mpLicenceLayout);
     mpLayout->addStretch(1);
 
-
-    connect(UBApplication::boardController,SIGNAL(activeSceneChanged()), this, SLOT(onActiveSceneChanged()));
+    connect(UBApplication::boardController, SIGNAL(activeSceneChanged()), this, SLOT(onActiveSceneChanged()));
     fillComboBoxes();
 }
 
@@ -812,7 +824,7 @@ UBTeacherGuidePageZeroWidget::~UBTeacherGuidePageZeroWidget()
 bool UBTeacherGuidePageZeroWidget::eventFilter(QObject* object, QEvent* event)
 {
     Q_UNUSED(object);
-    if(event->type() == QEvent::HoverEnter || event->type() == QEvent::HoverMove || event->type() == QEvent::HoverLeave)
+    if (event->type() == QEvent::HoverEnter || event->type() == QEvent::HoverMove || event->type() == QEvent::HoverLeave)
         return true;
     return false;
 }
@@ -821,7 +833,7 @@ void UBTeacherGuidePageZeroWidget::fillComboBoxes()
 {
     QString parametersConfigFilePath = UBSettings::settings()->applicationCustomizationDirectory() + "/teacherGuide/indexingParameters.xml";
     QFile parametersFile(parametersConfigFilePath);
-    if(!parametersFile.exists()){
+    if (!parametersFile.exists()) {
         qCritical() << "UBTeacherGuidePageZeroEditionWidget fillComboBoxes file not found " << parametersConfigFilePath;
         return;
     }
@@ -833,48 +845,54 @@ void UBTeacherGuidePageZeroWidget::fillComboBoxes()
     QDomElement rootElement = doc.elementsByTagName("teacherGuide").at(0).toElement();
 
     QDomNodeList subjects = rootElement.elementsByTagName("subjects");
-    for(int baseLevelCounter = 0; baseLevelCounter < subjects.count(); baseLevelCounter += 1){
+    for (int baseLevelCounter = 0; baseLevelCounter < subjects.count(); baseLevelCounter += 1) {
         QDomNode subjectsForBaseLevel = subjects.at(baseLevelCounter);
         QDomNodeList subjectsList = subjectsForBaseLevel.childNodes();
         QStringList subjectsRelatedToBaseLevel;
-        for(int j = 0; j < subjectsList.count(); j += 1){
+        for (int j = 0; j < subjectsList.count(); j += 1) {
             subjectsRelatedToBaseLevel.append(subjectsList.at(j).toElement().attribute("label"));
         }
-        mSubjects.insert(subjectsForBaseLevel.toElement().attribute("baseLevel"),subjectsRelatedToBaseLevel);
+        mSubjects.insert( subjectsForBaseLevel.toElement().attribute("baseLevel"), subjectsRelatedToBaseLevel);
     }
 
     QDomNodeList gradeLevels = rootElement.elementsByTagName("gradeLevels").at(0).childNodes();
-    for(int i=0; i<gradeLevels.count();i+=1){
-        mGradeLevelsMap.insert(gradeLevels.at(i).toElement().attribute("label"),gradeLevels.at(i).toElement().attribute("baseLevel"));
-        mpSchoolLevelBox->addItem(gradeLevels.at(i).toElement().attribute("label"));
+    for (int i = 0; i < gradeLevels.count(); i += 1) {
+        mGradeLevelsMap.insert(gradeLevels.at(i).toElement().attribute("label"), gradeLevels.at(i).toElement().attribute("baseLevel"));
+        mpSchoolLevelBox->addItem( gradeLevels.at(i).toElement().attribute("label"));
     }
 
-
     QDomNodeList types = rootElement.elementsByTagName("types").at(0).childNodes();
-    for(int i=0; i<types.count();i+=1)
+    for (int i = 0; i < types.count(); i += 1)
         mpSchoolTypeBox->addItem(types.at(i).toElement().attribute("label"));
 
     parametersFile.close();
 
     QStringList licences;
-    licences << tr("Attribution CC BY") << tr("Attribution-NoDerivs CC BY-ND") << tr("Attribution-ShareAlike CC BY-SA") << tr("Attribution-NonCommercial CC BY-NC") << tr("Attribution-NonCommercial-NoDerivs CC BY-NC-ND") << tr("Attribution-NonCommercial-ShareAlike CC BY-NC-SA") << tr("Public domain") << tr("Copyright");
+    licences << tr("Attribution CC BY") << tr("Attribution-NoDerivs CC BY-ND")
+             << tr("Attribution-ShareAlike CC BY-SA")
+             << tr("Attribution-NonCommercial CC BY-NC")
+             << tr("Attribution-NonCommercial-NoDerivs CC BY-NC-ND")
+             << tr("Attribution-NonCommercial-ShareAlike CC BY-NC-SA")
+             << tr("Public domain") << tr("Copyright");
     mpLicenceBox->addItems(licences);
     QStringList licenceIconList;
-    licenceIconList << ":images/licenses/ccby.png" << ":images/licenses/ccbynd.png" << ":images/licenses/ccbysa.png" << ":images/licenses/ccbync.png" << ":images/licenses/ccbyncnd.png" << ":images/licenses/ccbyncsa.png";
-    for(int i = 0; i < licenceIconList.count(); i+=1)
-        mpLicenceBox->setItemData(i,licenceIconList.at(i));
+    licenceIconList << ":images/licenses/ccby.png"
+                    << ":images/licenses/ccbynd.png" << ":images/licenses/ccbysa.png"
+                    << ":images/licenses/ccbync.png" << ":images/licenses/ccbyncnd.png"
+                    << ":images/licenses/ccbyncsa.png";
+    for (int i = 0; i < licenceIconList.count(); i += 1)
+        mpLicenceBox->setItemData(i, licenceIconList.at(i));
 }
 
 void UBTeacherGuidePageZeroWidget::onSchoolLevelChanged(QString schoolLevel)
 {
     QStringList subjects = mSubjects.value(mGradeLevelsMap.value(schoolLevel));
     mpSchoolSubjectsBox->clear();
-    if(subjects.count()){
+    if (subjects.count()) {
         mpSchoolSubjectsItemLabel->setEnabled(true);
         mpSchoolSubjectsBox->setEnabled(true);
         mpSchoolSubjectsBox->addItems(subjects);
-    }
-    else{
+    } else {
         mpSchoolSubjectsItemLabel->setDisabled(true);
         mpSchoolSubjectsBox->setDisabled(true);
     }
@@ -883,17 +901,17 @@ void UBTeacherGuidePageZeroWidget::onSchoolLevelChanged(QString schoolLevel)
 void UBTeacherGuidePageZeroWidget::onActiveSceneChanged()
 {
     UBDocumentProxy* documentProxy = UBApplication::boardController->selectedDocument();
-    if(documentProxy && UBApplication::boardController->currentPage() == 0){
+    if (documentProxy && UBApplication::boardController->currentPage() == 0) {
         QDateTime creationDate = documentProxy->documentDate();
-        mpCreationLabel->setText(tr("Created the:\n") + creationDate.toString(Qt::DefaultLocaleShortDate));
+        mpCreationLabel->setText( tr("Created the:\n") + creationDate.toString(Qt::DefaultLocaleShortDate));
         QDateTime updatedDate = documentProxy->lastUpdate();
-        mpLastModifiedLabel->setText(tr("Updated the:\n") + updatedDate.toString(Qt::DefaultLocaleShortDate));
+        mpLastModifiedLabel->setText( tr("Updated the:\n") + updatedDate.toString(Qt::DefaultLocaleShortDate));
         loadData();
         updateSceneTitle();
     }
 }
 
-void UBTeacherGuidePageZeroWidget::hideEvent ( QHideEvent * event )
+void UBTeacherGuidePageZeroWidget::hideEvent(QHideEvent * event)
 {
     persistData();
     QWidget::hideEvent(event);
@@ -902,56 +920,56 @@ void UBTeacherGuidePageZeroWidget::hideEvent ( QHideEvent * event )
 void UBTeacherGuidePageZeroWidget::loadData()
 {
     UBDocumentProxy* documentProxy = UBApplication::boardController->selectedDocument();
-    mpSessionTitle->setText(documentProxy->metaData(UBSettings::sessionTitle).toString());
-    mpAuthors->setText(documentProxy->metaData(UBSettings::sessionAuthors).toString());
-    mpObjectives->setText(documentProxy->metaData(UBSettings::sessionObjectives).toString());
-    mpKeywords->setText(documentProxy->metaData(UBSettings::sessionKeywords).toString());
+    mpSessionTitle->setText( documentProxy->metaData(UBSettings::sessionTitle).toString());
+    mpAuthors->setText( documentProxy->metaData(UBSettings::sessionAuthors).toString());
+    mpObjectives->setText( documentProxy->metaData(UBSettings::sessionObjectives).toString());
+    mpKeywords->setText( documentProxy->metaData(UBSettings::sessionKeywords).toString());
 
     int currentIndex = mpSchoolLevelBox->findText(documentProxy->metaData(UBSettings::sessionGradeLevel).toString());
-    mpSchoolLevelBox->setCurrentIndex((currentIndex!=-1) ? currentIndex : 0);
+    mpSchoolLevelBox->setCurrentIndex((currentIndex != -1) ? currentIndex : 0);
 
     currentIndex = mpSchoolSubjectsBox->findText(documentProxy->metaData(UBSettings::sessionSubjects).toString());
-    mpSchoolSubjectsBox->setCurrentIndex((currentIndex!=-1) ? currentIndex : 0);
+    mpSchoolSubjectsBox->setCurrentIndex((currentIndex != -1) ? currentIndex : 0);
 
     currentIndex = mpSchoolTypeBox->findText(documentProxy->metaData(UBSettings::sessionType).toString());
-    mpSchoolTypeBox->setCurrentIndex((currentIndex!=-1) ? currentIndex : 0);
+    mpSchoolTypeBox->setCurrentIndex((currentIndex != -1) ? currentIndex : 0);
 
     currentIndex = mpLicenceBox->findText(documentProxy->metaData(UBSettings::sessionLicence).toString());
-    mpLicenceBox->setCurrentIndex((currentIndex!=-1) ? currentIndex : 0);
+    mpLicenceBox->setCurrentIndex((currentIndex != -1) ? currentIndex : 0);
 }
 
 void UBTeacherGuidePageZeroWidget::persistData()
 {
     // check necessary because at document closing hide event is send after boardcontroller set
     // to NULL
-    if(UBApplication::boardController){
+    if (UBApplication::boardController) {
         UBDocumentProxy* documentProxy = UBApplication::boardController->selectedDocument();
-        documentProxy->setMetaData(UBSettings::sessionTitle,mpSessionTitle->text());
+        documentProxy->setMetaData(UBSettings::sessionTitle, mpSessionTitle->text());
         documentProxy->setMetaData(UBSettings::sessionAuthors, mpAuthors->text());
-        documentProxy->setMetaData(UBSettings::sessionObjectives,mpObjectives->text());
-        documentProxy->setMetaData(UBSettings::sessionKeywords,mpKeywords->text());
-        documentProxy->setMetaData(UBSettings::sessionGradeLevel,mpSchoolLevelBox->currentText());
-        documentProxy->setMetaData(UBSettings::sessionSubjects,mpSchoolSubjectsBox->currentText());
-        documentProxy->setMetaData(UBSettings::sessionType,mpSchoolTypeBox->currentText());
-        documentProxy->setMetaData(UBSettings::sessionLicence,mpLicenceBox->currentText());
+        documentProxy->setMetaData(UBSettings::sessionObjectives, mpObjectives->text());
+        documentProxy->setMetaData(UBSettings::sessionKeywords, mpKeywords->text());
+        documentProxy->setMetaData(UBSettings::sessionGradeLevel, mpSchoolLevelBox->currentText());
+        documentProxy->setMetaData(UBSettings::sessionSubjects, mpSchoolSubjectsBox->currentText());
+        documentProxy->setMetaData(UBSettings::sessionType, mpSchoolTypeBox->currentText());
+        documentProxy->setMetaData(UBSettings::sessionLicence, mpLicenceBox->currentText());
     }
 }
 
 void UBTeacherGuidePageZeroWidget::updateSceneTitle()
 {
     QString sessionTitle = mpSessionTitle->text();
-    if(!sessionTitle.isEmpty())
+    if (!sessionTitle.isEmpty())
         UBApplication::boardController->activeScene()->textForObjectName(mpSessionTitle->text());
 }
 
 void UBTeacherGuidePageZeroWidget::switchToMode(tUBTGZeroPageMode mode)
 {
-    if(mode == tUBTGZeroPageMode_EDITION){
+    if (mode == tUBTGZeroPageMode_EDITION) {
         QString inputStyleSheet("QTextEdit { background: white; border-radius: 10px; border: 2px;}");
         mpModePushButton->hide();
         mpSessionTitle->setReadOnly(false);
         mpSessionTitle->setStyleSheet(inputStyleSheet);
-        QFont titleFont(QApplication::font().family(),11,-1);
+        QFont titleFont(QApplication::font().family(), 11, -1);
         mpSessionTitle->document()->setDefaultFont(titleFont);
         mpAuthors->setReadOnly(false);
         mpAuthors->setStyleSheet(inputStyleSheet);
@@ -969,13 +987,13 @@ void UBTeacherGuidePageZeroWidget::switchToMode(tUBTGZeroPageMode mode)
         mpLicenceValueLabel->hide();
         mpLicenceBox->show();
     }
-    else{
-        QString inputStyleSheet("QTextEdit { background: transparent; border: none;}");
+    else {
+        QString inputStyleSheet( "QTextEdit { background: transparent; border: none;}");
         mpModePushButton->show();
         mpSessionTitle->showText(mpSessionTitle->text());
         mpSessionTitle->setStyleSheet(inputStyleSheet);
         updateSceneTitle();
-        QFont titleFont(QApplication::font().family(),14,1);
+        QFont titleFont(QApplication::font().family(), 14, 1);
         mpSessionTitle->document()->setDefaultFont(titleFont);
         mpAuthors->setStyleSheet(inputStyleSheet);
         mpAuthors->setTextColor(QColor(Qt::black));
@@ -997,7 +1015,7 @@ void UBTeacherGuidePageZeroWidget::switchToMode(tUBTGZeroPageMode mode)
         mpSchoolTypeBox->hide();
         mpLicenceValueLabel->setText(mpLicenceBox->currentText());
         QString licenceIconPath = mpLicenceBox->itemData(mpLicenceBox->currentIndex()).toString();
-        if(!licenceIconPath.isEmpty()){
+        if (!licenceIconPath.isEmpty()) {
             mpLicenceIcon->setPixmap(QPixmap(licenceIconPath));
             mpLicenceIcon->show();
         }
@@ -1010,85 +1028,101 @@ void UBTeacherGuidePageZeroWidget::switchToMode(tUBTGZeroPageMode mode)
 
 QVector<tUBGEElementNode*> UBTeacherGuidePageZeroWidget::getData()
 {
-    QVector<tUBGEElementNode*>result;
+    QVector<tUBGEElementNode*> result;
     tUBGEElementNode* elementNode = new tUBGEElementNode();
     elementNode->name = "sessionTitle";
-    elementNode->attributes.insert("value",mpSessionTitle->text());
+    elementNode->attributes.insert("value", mpSessionTitle->text());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "authors";
-    elementNode->attributes.insert("value",mpAuthors->text());
+    elementNode->attributes.insert("value", mpAuthors->text());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "creationDate";
-    elementNode->attributes.insert("value",mpCreationLabel->text());
+    elementNode->attributes.insert("value", mpCreationLabel->text());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "lastModifiedDate";
-    elementNode->attributes.insert("value",mpLastModifiedLabel->text());
+    elementNode->attributes.insert("value", mpLastModifiedLabel->text());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "goals";
-    elementNode->attributes.insert("value",mpObjectives->text());
+    elementNode->attributes.insert("value", mpObjectives->text());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "keywords";
-    elementNode->attributes.insert("value",mpKeywords->text());
+    elementNode->attributes.insert("value", mpKeywords->text());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "schoolLevel";
-    elementNode->attributes.insert("value",mpSchoolLevelBox->currentText());
+    elementNode->attributes.insert("value", mpSchoolLevelBox->currentText());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "schoolBranch";
-    elementNode->attributes.insert("value",mpSchoolSubjectsBox->currentText());
+    elementNode->attributes.insert("value", mpSchoolSubjectsBox->currentText());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "schoolType";
-    elementNode->attributes.insert("value",mpSchoolTypeBox->currentText());
+    elementNode->attributes.insert("value", mpSchoolTypeBox->currentText());
     result << elementNode;
 
     elementNode = new tUBGEElementNode();
     elementNode->name = "licence";
-    elementNode->attributes.insert("value",mpLicenceBox->currentText());
+    elementNode->attributes.insert("value", mpLicenceBox->currentText());
     result << elementNode;
     return result;
 }
 
+bool UBTeacherGuidePageZeroWidget::isModified()
+{
+    bool result = false;
+    result |= mpSessionTitle->text().length() > 0;
+    result |= mpAuthors->text().length() > 0;
+    result |= mpObjectives->text().length() > 0;
+    result |= mpKeywords->text().length() > 0;
+    result |= mpSchoolLevelBox->currentIndex() > 0;
+    result |= mpSchoolSubjectsBox->currentIndex() > 0;
+    result |= mpSchoolTypeBox->currentIndex() > 0;
+    result |= mpLicenceBox->currentIndex() > 0;
+    return result;
+}
+
 /***************************************************************************
  *                    class    UBTeacherGuideWidget                        *
  ***************************************************************************/
-UBTeacherGuideWidget::UBTeacherGuideWidget(QWidget* parent, const char* name): QStackedWidget(parent)
+UBTeacherGuideWidget::UBTeacherGuideWidget(QWidget* parent, const char* name) :
+    QStackedWidget(parent)
   , mpPageZeroWidget(NULL)
   , mpEditionWidget(NULL)
   , mpPresentationWidget(NULL)
 {
     setObjectName(name);
-    if(UBSettings::settings()->teacherGuidePageZeroActivated->get().toBool()){
+    if (UBSettings::settings()->teacherGuidePageZeroActivated->get().toBool()) {
         mpPageZeroWidget = new UBTeacherGuidePageZeroWidget(this);
         addWidget(mpPageZeroWidget);
     }
-    if(UBSettings::settings()->teacherGuideLessonPagesActivated->get().toBool()){
+    if (UBSettings::settings()->teacherGuideLessonPagesActivated->get().toBool()) {
         mpEditionWidget = new UBTeacherGuideEditionWidget(this);
         addWidget(mpEditionWidget);
         mpPresentationWidget = new UBTeacherGuidePresentationWidget(this);
         addWidget(mpPresentationWidget);
     }
 
-    connect(UBApplication::boardController->controlView(),SIGNAL(clickOnBoard()),this,SLOT(showPresentationMode()));
+    connect(UBApplication::boardController->controlView(),
+            SIGNAL(clickOnBoard()), this, SLOT(showPresentationMode()));
     connectToStylusPalette();
-    connect(UBApplication::boardController,SIGNAL(activeSceneChanged()),this,SLOT(onActiveSceneChanged()));
+    connect(UBApplication::boardController, SIGNAL(activeSceneChanged()), this,
+            SLOT(onActiveSceneChanged()));
 }
 
-
 UBTeacherGuideWidget::~UBTeacherGuideWidget()
 {
     DELETEPTR(mpPageZeroWidget);
@@ -1096,32 +1130,32 @@ UBTeacherGuideWidget::~UBTeacherGuideWidget()
     DELETEPTR(mpPresentationWidget);
 }
 
-
 void UBTeacherGuideWidget::onActiveSceneChanged()
 {
-    if(UBApplication::boardController->currentPage() == 0){
+    if (UBApplication::boardController->currentPage() == 0) {
         setCurrentWidget(mpPageZeroWidget);
         mpPageZeroWidget->switchToMode(tUBTGZeroPageMode_EDITION);
-    }else
+    }
+    else
         setCurrentWidget(mpEditionWidget);
 
 }
 
 void UBTeacherGuideWidget::connectToStylusPalette()
 {
-    if(UBApplication::boardController->paletteManager())
-        connect(UBApplication::boardController->paletteManager()->stylusPalette(),SIGNAL(itemOnActionPaletteChanged()),this,SLOT(showPresentationMode()));
+    if (UBApplication::boardController->paletteManager())
+        connect( UBApplication::boardController->paletteManager()->stylusPalette(), SIGNAL(itemOnActionPaletteChanged()), this, SLOT(showPresentationMode()));
     else
-        QTimer::singleShot(100,this,SLOT(connectToStylusPalette()));
+        QTimer::singleShot(100, this, SLOT(connectToStylusPalette()));
 }
 
 void UBTeacherGuideWidget::showPresentationMode()
 {
-    if(currentWidget()==mpPageZeroWidget){
+    if (currentWidget() == mpPageZeroWidget) {
         mCurrentData = mpPageZeroWidget->getData();
         mpPageZeroWidget->switchToMode(tUBTGZeroPageMode_PRESENTATION);
     }
-    else if(currentWidget()==mpEditionWidget){
+    else if (currentWidget() == mpEditionWidget) {
         mCurrentData = mpEditionWidget->getData();
         mpPresentationWidget->showData(mCurrentData);
         setCurrentWidget(mpPresentationWidget);
@@ -1130,9 +1164,17 @@ void UBTeacherGuideWidget::showPresentationMode()
 
 void UBTeacherGuideWidget::changeMode()
 {
-    if(currentWidget() == mpEditionWidget)
+    if (currentWidget() == mpEditionWidget)
         setCurrentWidget(mpPresentationWidget);
     else
         setCurrentWidget(mpEditionWidget);
 
 }
+
+bool UBTeacherGuideWidget::isModified()
+{
+    if (currentWidget() == mpPageZeroWidget)
+        return mpPageZeroWidget->isModified();
+    else
+        return mpEditionWidget->isModified();
+}

src/gui/UBTeacherGuideWidget.h

@@ -50,6 +50,8 @@ public:
     void load(QString element);
     QVector<tIDataStorage*> save(int pageIndex);
 
+    bool isModified();
+
 public slots:
     void onAddItemClicked(QTreeWidgetItem* widget, int column, QDomElement* element = 0);
     void onActiveSceneChanged();
@@ -124,6 +126,7 @@ public:
     ~UBTeacherGuidePageZeroWidget();
 
     QVector<tUBGEElementNode*> getData();
+    bool isModified();
 
 
 public slots:
@@ -198,6 +201,8 @@ public:
     explicit UBTeacherGuideWidget(QWidget* parent = 0, const char* name="UBTeacherGuideWidget");
     ~UBTeacherGuideWidget();
 
+    bool isModified();
+
 public slots:
     void changeMode();
     void showPresentationMode();