finished navigation including music player and navigate back

functionality

LenaPi/controllers/MusicController.cpp

@@ -0,0 +1,26 @@
+#include "MusicController.h"
+
+#include <models/MusicModel.h>
+
+MusicController::MusicController(QObject *parent) : QObject(parent),
+    mModel(new MusicModel(this))
+{
+    connect(mModel, &MusicModel::navigateTo, this, &MusicController::navigateTo);
+}
+
+void MusicController::initPlayer(NavigationItemModel *item)
+{
+    mModel->init(item);
+}
+
+void MusicController::setContext(QQmlContext *context)
+{
+    mContext = context;
+    setContextProperties();
+}
+
+void MusicController::setContextProperties()
+{
+    if(!mContext) return;
+    mContext->setContextProperty("musicModel", mModel);
+}

LenaPi/controllers/MusicController.h

@@ -0,0 +1,32 @@
+#ifndef MUSICCONTROLLER_H
+#define MUSICCONTROLLER_H
+
+#include <QObject>
+#include <QQmlContext>
+#include <models/NavigationItemModel.h>
+
+class MusicModel;
+
+class MusicController : public QObject
+{
+    Q_OBJECT
+
+signals:
+    void navigateTo(NavigationItemModel* item);
+
+public:
+    MusicController(QObject *parent = Q_NULLPTR);
+
+    void initPlayer(NavigationItemModel* item);
+
+    void setContext(QQmlContext* context);
+
+private:
+    void setContextProperties();
+
+    QQmlContext* mContext;
+
+    MusicModel* mModel;
+};
+
+#endif // MUSICCONTROLLER_H

LenaPi/controllers/NavigationController.cpp

@@ -3,15 +3,21 @@
 #include <QDir>
 #include <QDebug>
 
-#include "../models/NavigationItemModel.h"
-#include "../models/NavigationListModel.h"
+#include <models/NavigationItemModel.h>
+#include <models/NavigationListModel.h>
+#include <models/UiStateModel.h>
+#include <controllers/MusicController.h>
 
-///@todo impelement reaction to item's clicked signal; implement back navigation
 NavigationController::NavigationController(QObject *parent) : QObject(parent),
     mRootItem(new NavigationItemModel(this)),
-    mNavList(new NavigationListModel(this))
+    mNavList(new NavigationListModel(this)),
+    mUiState(new UiStateModel(this)),
+    mMusicController(new MusicController(this))
 {
-
+    connect(mMusicController, &MusicController::navigateTo, [this](NavigationItemModel* item) {
+        mUiState->showNavigation();
+        mNavList->navigateTo(item);
+    });
 }
 
 void NavigationController::init(const QString &rootPath)
@@ -29,11 +35,14 @@ void NavigationController::setContext(QQmlContext *context)
 {
     mContext = context;
     setContextProperties();
+    mMusicController->setContext(mContext);
 }
 
 void NavigationController::setContextProperties()
 {
+    if(!mContext) return;
     mContext->setContextProperty("navigationList", mNavList);
+    mContext->setContextProperty("uiStateModel", mUiState);
 }
 
 void NavigationController::add(const QString &path, NavigationItemModel *parentItem)
@@ -63,5 +72,8 @@ void NavigationController::onNavigationRequest()
 
     if(item->hasChildren())
         mNavList->setModelItems(item->getChildren());
-    ///@todo else {mMusicController->initPlayer(item); mUiStateModel->showMusicPlayer();}
+    else {
+        mMusicController->initPlayer(item);
+        mUiState->showMusicPlayer();
+    }
 }

LenaPi/controllers/NavigationController.h

@@ -6,6 +6,8 @@
 
 class NavigationItemModel;
 class NavigationListModel;
+class UiStateModel;
+class MusicController;
 
 class NavigationController : public QObject
 {
@@ -23,6 +25,10 @@ private:
 
     NavigationItemModel* mRootItem;
     NavigationListModel* mNavList;
+
+    UiStateModel* mUiState;
+    MusicController* mMusicController;
+
     QString mRootPath = ".";
 
     QQmlContext* mContext = Q_NULLPTR;