Resolved a small issue on the cache widget management

src/board/UBBoardController.cpp

@@ -484,7 +484,6 @@ void UBBoardController::addScene(UBDocumentProxy* proxy, int sceneIndex, bool re
     if (scene)
     {
         addScene(scene, replaceActiveIfEmpty);
-        emit pageChanged();
     }
 }
 
@@ -1159,7 +1158,10 @@ void UBBoardController::setActiveDocumentScene(UBDocumentProxy* pDocumentProxy,
     mPaletteManager->leftPalette()->pageNavigator()->setDocument(pDocumentProxy);
 
     if (sceneChange)
+    {
         emit activeSceneChanged();
+        emit pageChanged();
+    }
 }
 
 

src/domain/UBGraphicsScene.cpp

@@ -1644,6 +1644,7 @@ void UBGraphicsScene::addCache()
     cache->setVisible(true);
     cache->setSelected(true);
     UBApplication::boardController->notifyCache(true);
+    UBApplication::boardController->notifyPageChanged();
 }
 
 void UBGraphicsScene::addMask()

src/gui/UBCachePropertiesWidget.cpp

@@ -108,9 +108,6 @@ UBCachePropertiesWidget::UBCachePropertiesWidget(QWidget *parent, const char *na
     // Fill the empty space
     mpPropertiesLayout->addStretch(1);
 
-    // Get the infos from the current cache
-    // ...
-
     // Connect signals / slots
     connect(mpCloseButton, SIGNAL(clicked()), this, SLOT(onCloseClicked()));
     connect(mpColor, SIGNAL(clicked()), this, SLOT(onColorClicked()));
@@ -118,6 +115,7 @@ UBCachePropertiesWidget::UBCachePropertiesWidget(QWidget *parent, const char *na
     connect(mpSquareButton, SIGNAL(clicked()), this, SLOT(updateShapeButtons()));
     connect(mpSizeSlider, SIGNAL(valueChanged(int)), this, SLOT(onSizeChanged(int)));
     connect(UBApplication::boardController, SIGNAL(pageChanged()), this, SLOT(updateCurrentCache()));
+    connect(UBApplication::boardController, SIGNAL(cacheEnabled()), this, SLOT(onCacheEnabled()));
 }
 
 UBCachePropertiesWidget::~UBCachePropertiesWidget()
@@ -277,8 +275,8 @@ void UBCachePropertiesWidget::updateCurrentCache()
     {
         if("Cache" == it->data(Qt::UserRole).toString())
         {
-            qDebug() << ">>> Setting cache parameters";
             setEnabled(true);
+            emit showTab(name());
             mpCurrentCache = dynamic_cast<UBGraphicsCache*>(it);
             if((NULL != mpCurrentCache) && (!mCaches.contains(mpCurrentCache)))
             {
@@ -305,6 +303,7 @@ void UBCachePropertiesWidget::updateCurrentCache()
     }
 
     // If we fall here, that means that this page has no cache
+    emit hideTab(name());
     mpCurrentCache = NULL;
     setDisabled(true);
 }
@@ -316,3 +315,8 @@ void UBCachePropertiesWidget::onSizeChanged(int newSize)
         mpCurrentCache->setShapeWidth(newSize);
     }
 }
+
+void UBCachePropertiesWidget::onCacheEnabled()
+{
+    emit showTab(name());
+}

src/gui/UBCachePropertiesWidget.h

@@ -33,6 +33,7 @@ private slots:
     void onColorClicked();
     void updateShapeButtons();
     void onSizeChanged(int newSize);
+    void onCacheEnabled();
 
 private:
     QVBoxLayout* mpLayout;

src/gui/UBDockPalette.cpp

@@ -517,8 +517,10 @@ void UBDockPalette::addTabWidget(UBDockPaletteWidget *widget)
 {
     if(!mTabWidgets.contains(widget))
     {
+        widget->setVisible(true);
         mTabWidgets.append(widget);
         mpStackWidget->addWidget(widget);
+        mpStackWidget->setCurrentWidget(widget);
         update();
     }
 }
@@ -532,6 +534,7 @@ void UBDockPalette::removeTab(const QString &widgetName)
         {
             mpStackWidget->removeWidget(pCrntWidget);
             mTabWidgets.remove(i);
+            pCrntWidget->hide();
             update();
             break;
         }
@@ -547,3 +550,43 @@ int UBDockPalette::tabSpacing()
 {
     return 2;
 }
+
+// This method is used to show the tab widget
+void UBDockPalette::onShowTabWidget(const QString &widgetName)
+{
+    for(int i = 0; i < mRegisteredWidgets.size(); i++)
+    {
+        UBDockPaletteWidget* pCrntWidget = mRegisteredWidgets.at(i);
+        if(NULL != pCrntWidget && (pCrntWidget->name() == widgetName))
+        {
+            addTabWidget(pCrntWidget);
+            break;
+        }
+    }
+}
+
+// This method is used to hide the tab widget
+void UBDockPalette::onHideTabWidget(const QString &widgetName)
+{
+    removeTab(widgetName);
+}
+
+void UBDockPalette::connectSignals()
+{
+    for(int i=0; i < mRegisteredWidgets.size(); i++)
+    {
+        connect(mRegisteredWidgets.at(i), SIGNAL(showTab(QString)), this, SLOT(onShowTabWidget(QString)));
+        connect(mRegisteredWidgets.at(i), SIGNAL(hideTab(QString)), this, SLOT(onHideTabWidget(QString)));
+    }
+}
+
+void UBDockPalette::registerWidget(UBDockPaletteWidget *widget)
+{
+    if(!mRegisteredWidgets.contains(widget))
+    {
+        mRegisteredWidgets.append(widget);
+
+        // By default, the widget is hidden
+        widget->hide();
+    }
+}

src/gui/UBDockPalette.h

@@ -71,10 +71,16 @@ public:
     virtual void leaveEvent(QEvent *);
 
     void setBackgroundBrush(const QBrush& brush);
+    void registerWidget(UBDockPaletteWidget* widget);
+
+public slots:
+    void onShowTabWidget(const QString& widgetName);
+    void onHideTabWidget(const QString& widgetName);
 
 protected:
     void addTabWidget(UBDockPaletteWidget* widget);
     void removeTab(const QString& widgetName);
+    void connectSignals();
 
     virtual int border();
     virtual int radius();
@@ -118,8 +124,10 @@ protected:
     QVBoxLayout* mpLayout;
     /** The current tab index */
     int mCurrentTab;
-    /** The tab widgets */
+    /** The visible tab widgets */
     QVector<UBDockPaletteWidget*> mTabWidgets;
+    /** The current widget */
+    QVector<UBDockPaletteWidget*> mRegisteredWidgets;
 
 private slots:
     void onToolbarPosUpdated();

src/gui/UBDockPaletteWidget.h

@@ -7,6 +7,7 @@
 
 class UBDockPaletteWidget : public QWidget
 {
+    Q_OBJECT
 public:
     UBDockPaletteWidget(QWidget* parent=0, const char* name="UBDockPaletteWidget");
     ~UBDockPaletteWidget();
@@ -15,6 +16,10 @@ public:
     QPixmap iconToLeft();
     QString name();
 
+signals:
+    void hideTab(const QString& widgetName);
+    void showTab(const QString& widgetName);
+
 protected:
     QPixmap mIconToRight;   // arrow like this: >
     QPixmap mIconToLeft;    // arrow like this: <

src/gui/UBRightPalette.cpp

@@ -28,16 +28,16 @@ UBRightPalette::UBRightPalette(QWidget *parent, const char *name):UBDockPalette(
     resize(UBSettings::settings()->libPaletteWidth->get().toInt(), parentWidget()->height());
     mpLayout->setContentsMargins(2*border() + customMargin(), customMargin(), customMargin(), customMargin());
 
-    // Add the tab widgets
+    // Create and register the widgets
     mpLibWidget = new UBLibWidget(this);
-    addTabWidget(mpLibWidget);
-
     mpCachePropWidget = new UBCachePropertiesWidget(this);
-    mpCachePropWidget->hide();
+    registerWidget(mpLibWidget);
+    registerWidget(mpCachePropWidget);
 
-    // Connect signals/slots
-    connect(UBApplication::boardController, SIGNAL(cacheEnabled()), this, SLOT(onCacheEnabled()));
-    connect(mpCachePropWidget, SIGNAL(cacheListEmpty()), this, SLOT(onCacheDisabled()));
+    // Add the visible widgets
+    addTabWidget(mpLibWidget);
+
+    connectSignals();
 }
 
 UBRightPalette::~UBRightPalette()
@@ -85,32 +85,32 @@ void UBRightPalette::updateMaxWidth()
     setMinimumHeight(parentWidget()->height());
 }
 
-void UBRightPalette::onCacheEnabled()
-{
-    if(mpCachePropWidget->isHidden())
-    {
-        mpCachePropWidget->setVisible(true);
-        // Add the cache tab
-        addTabWidget(mpCachePropWidget);
-    }
-
-    // Set the cache of the current page as the active one for the properties widget
-    mpCachePropWidget->updateCurrentCache();
-
-    // Show the cache properties widget
-    for(int i = 0; i < mTabWidgets.size(); i++)
-    {
-        if((NULL != mTabWidgets.at(i)) && ("CachePropWidget" == mTabWidgets.at(i)->name()))
-        {
-            showTabWidget(i);
-            break;
-        }
-    }
-
-}
-
-void UBRightPalette::onCacheDisabled()
-{
-    removeTab(mpCachePropWidget->name());
-    mpCachePropWidget->hide();
-}
+//void UBRightPalette::onCacheEnabled()
+//{
+//    if(mpCachePropWidget->isHidden())
+//    {
+//        mpCachePropWidget->setVisible(true);
+//        // Add the cache tab
+//        addTabWidget(mpCachePropWidget);
+//    }
+
+//    // Set the cache of the current page as the active one for the properties widget
+//    mpCachePropWidget->updateCurrentCache();
+
+//    // Show the cache properties widget
+//    for(int i = 0; i < mTabWidgets.size(); i++)
+//    {
+//        if((NULL != mTabWidgets.at(i)) && ("CachePropWidget" == mTabWidgets.at(i)->name()))
+//        {
+//            showTabWidget(i);
+//            break;
+//        }
+//    }
+
+//}
+
+//void UBRightPalette::onCacheDisabled()
+//{
+//    removeTab(mpCachePropWidget->name());
+//    mpCachePropWidget->hide();
+//}

src/gui/UBRightPalette.h

@@ -37,8 +37,8 @@ protected:
     void resizeEvent(QResizeEvent *event);
 
 private slots:
-    void onCacheEnabled();
-    void onCacheDisabled();
+//    void onCacheEnabled();
+//    void onCacheDisabled();
 
 private:
     UBLibWidget* mpLibWidget;