more functionality for FastLayoutManager

--provide addAppletItem function
--provide reorderSplitters in Start and End
layouts when an applet is added in them and
the splitters are moving in faulty position

containment/package/contents/ui/main.qml

@@ -571,17 +571,8 @@ Item {
         }
     }
 
-    Containment.onAppletAdded: {
-        var appletItem = createAppletItem(applet);
-        addAppletItemInLayout(appletItem, x, y);
-        console.log(applet.pluginName);
-        fastLayoutManager.save();
-    }
-
-    Containment.onAppletRemoved: {
-        fastLayoutManager.removeAppletItem(applet);
-        fastLayoutManager.save();
-    }
+    Containment.onAppletAdded: fastLayoutManager.addAppletItem(applet, x, y);
+    Containment.onAppletRemoved: fastLayoutManager.removeAppletItem(applet);
 
     Plasmoid.onUserConfiguringChanged: {
         if (plasmoid.userConfiguring) {
@@ -620,23 +611,6 @@ Item {
         return splitter;
     }
 
-    function addAppletItemInLayout(appletItem, x, y){
-        if ( (dndSpacer.parent === layoutsContainer.mainLayout)
-                || (dndSpacer.parent === layoutsContainer.startLayout)
-                || (dndSpacer.parent===layoutsContainer.endLayout)) {
-            // Is there a DND placeholder? Replace it!
-            fastLayoutManager.insertBefore(dndSpacer, appletItem);
-            dndSpacer.parent = root;
-            return;
-        } else if (x >= 0 && y >= 0) {
-            // If the provided position is valid, use it.
-            fastLayoutManager.insertAtCoordinates(appletItem, x , y);
-        } else {
-            // Fall through to adding at the end of main layout.
-            appletItem.parent = layoutsContainer.mainLayout;
-        }
-    }
-
     //! it is used in order to check the right click position
     //! the only way to take into account the visual appearance
     //! of the applet (including its spacers)

containment/plugin/layoutmanager.cpp

@@ -272,8 +272,8 @@ void LayoutManager::restore()
     QList<QObject *> applets = m_plasmoid->property("applets").value<QList<QObject *>>();
 
     Latte::Types::Alignment alignment = static_cast<Latte::Types::Alignment>((*m_configuration)["alignment"].toInt());
-    int splitterPosition = static_cast<Latte::Types::Alignment>((*m_configuration)["splitterPosition"].toInt());
-    int splitterPosition2 = static_cast<Latte::Types::Alignment>((*m_configuration)["splitterPosition2"].toInt());
+    int splitterPosition = (*m_configuration)["splitterPosition"].toInt();
+    int splitterPosition2 = (*m_configuration)["splitterPosition2"].toInt();
 
     QList<int> appletIdsOrder;
     for (int i=0; i<appletStringIdsOrder.count(); ++i) {
@@ -506,8 +506,8 @@ void LayoutManager::save()
         setSplitterPosition(startChilds + 1);
         setSplitterPosition2(startChilds + 1 + mainChilds + 1);
     } else {
-        int splitterPosition = static_cast<Latte::Types::Alignment>((*m_configuration)["splitterPosition"].toInt());
-        int splitterPosition2 = static_cast<Latte::Types::Alignment>((*m_configuration)["splitterPosition2"].toInt());
+        int splitterPosition = (*m_configuration)["splitterPosition"].toInt();
+        int splitterPosition2 = (*m_configuration)["splitterPosition2"].toInt();
 
         setSplitterPosition(splitterPosition);
         setSplitterPosition2(splitterPosition2);
@@ -699,6 +699,41 @@ void LayoutManager::insertAtCoordinates(QQuickItem *item, const int &x, const in
     }
 }
 
+void LayoutManager::addAppletItem(QObject *applet, int x, int y)
+{
+    if (!m_startLayout || !m_mainLayout || !m_endLayout) {
+        return;
+    }
+
+    QVariant appletItemVariant;
+    QVariant appletVariant; appletVariant.setValue(applet);
+    m_createAppletItemMethod.invoke(m_rootItem, Q_RETURN_ARG(QVariant, appletItemVariant), Q_ARG(QVariant, appletVariant));
+    QQuickItem *appletItem = appletItemVariant.value<QQuickItem *>();
+
+    if (m_dndSpacer->parentItem() == m_mainLayout
+            || m_dndSpacer->parentItem() == m_startLayout
+            || m_dndSpacer->parentItem() == m_endLayout) {
+        insertBefore(m_dndSpacer, appletItem);
+
+        QQuickItem *currentlayout = m_dndSpacer->parentItem();
+        m_dndSpacer->setParentItem(m_rootItem);
+
+        if (currentlayout == m_startLayout) {
+            reorderSplitterInStartLayout();
+        } else if (currentlayout ==m_endLayout) {
+            reorderSplitterInEndLayout();
+        }
+    } else if (x >= 0 && y >= 0) {
+        // If the provided position is valid, use it.
+        insertAtCoordinates(appletItem, x , y);
+    } else {
+        // Fall through to adding at the end of main layout.
+        appletItem->setParentItem(m_mainLayout);
+    }
+
+    save();
+}
+
 void LayoutManager::removeAppletItem(QObject *applet)
 {
     if (!m_startLayout || !m_mainLayout || !m_endLayout) {
@@ -728,6 +763,66 @@ void LayoutManager::removeAppletItem(QObject *applet)
             }
         }
     }
+
+    save();
+}
+
+void LayoutManager::reorderSplitterInStartLayout()
+{
+    Latte::Types::Alignment alignment = static_cast<Latte::Types::Alignment>((*m_configuration)["alignment"].toInt());
+
+    if (alignment != Latte::Types::Justify) {
+        return;
+    }
+
+    int size = m_startLayout->childItems().count();
+
+    if (size > 0) {
+        QQuickItem *splitter{nullptr};
+
+        for (int i=0; i<size; ++i) {
+            QQuickItem *item = m_startLayout->childItems()[i];
+            bool issplitter = item->property("isInternalViewSplitter").toBool();
+
+            if (issplitter && i<size-1) {
+                splitter = item;
+                break;
+            }
+        }
+
+        if (splitter) {
+            insertAfter(m_startLayout->childItems()[size-1],splitter);
+        }
+    }
+}
+
+void LayoutManager::reorderSplitterInEndLayout()
+{
+    Latte::Types::Alignment alignment = static_cast<Latte::Types::Alignment>((*m_configuration)["alignment"].toInt());
+
+    if (alignment != Latte::Types::Justify) {
+        return;
+    }
+
+    int size = m_endLayout->childItems().count();
+
+    if (size > 0) {
+        QQuickItem *splitter{nullptr};
+
+        for (int i=0; i<size; ++i) {
+            QQuickItem *item = m_endLayout->childItems()[i];
+            bool issplitter = item->property("isInternalViewSplitter").toBool();
+
+            if (issplitter && i!=0) {
+                splitter = item;
+                break;
+            }
+        }
+
+        if (splitter) {
+            insertBefore(m_endLayout->childItems()[0],splitter);
+        }
+    }
 }
 
 void LayoutManager::addJustifySplittersInMainLayout()
@@ -738,8 +833,8 @@ void LayoutManager::addJustifySplittersInMainLayout()
 
     destroyJustifySplitters();
 
-    int splitterPosition = static_cast<Latte::Types::Alignment>((*m_configuration)["splitterPosition"].toInt());
-    int splitterPosition2 = static_cast<Latte::Types::Alignment>((*m_configuration)["splitterPosition2"].toInt());
+    int splitterPosition = (*m_configuration)["splitterPosition"].toInt();
+    int splitterPosition2 = (*m_configuration)["splitterPosition2"].toInt();
 
     int splitterIndex = (splitterPosition >= 1 ? splitterPosition - 1 : -1);
     int splitterIndex2 = (splitterPosition2 >= 1 ? splitterPosition2 - 1 : -1);

containment/plugin/layoutmanager.h

@@ -92,6 +92,7 @@ public slots:
     Q_INVOKABLE void save();
     Q_INVOKABLE void saveOptions();
 
+    Q_INVOKABLE void addAppletItem(QObject *applet, int x, int y);
     Q_INVOKABLE void removeAppletItem(QObject *applet);
 
     Q_INVOKABLE void addJustifySplittersInMainLayout();
@@ -118,7 +119,6 @@ signals:
 
 private slots:
     void onRootItemChanged();
-
     void destroyJustifySplitters();
 
 private:
@@ -133,6 +133,9 @@ private:
     void setLockedZoomApplets(const QString &applets);
     void setUserBlocksColorizingApplets(const QString &applets);
 
+    void reorderSplitterInStartLayout();
+    void reorderSplitterInEndLayout();
+
     bool isValidApplet(const int &id);
     bool insertAtLayoutCoordinates(QQuickItem *layout, QQuickItem *item, int x, int y);