added backnavigation and qrc

.gitignore

@@ -1 +1,2 @@
 build-LenaPi-Desktop-Debug
+*.autosave

LenaPi/LenaPi.pro

@@ -8,7 +8,8 @@ SOURCES += main.cpp \
     models/NavigationItemModel.cpp \
     controllers/NavigationController.cpp
 
-RESOURCES += qml.qrc
+RESOURCES += qml.qrc \
+    lenapi.qrc
 
 # Additional import path used to resolve QML modules in Qt Creator's code model
 QML_IMPORT_PATH =

LenaPi/NavigationListDelegate.qml

@@ -7,14 +7,14 @@ Rectangle{
     property var model
     property alias imageSource: contentImage.source
 
-    width: 100
-    height: width
-    radius: model.pIsCircleDelegate ? width/2 : 0
+    width: height
+    height: 150
+    radius: model.pIsCircleDelegate ? height/2 : 0
     color: "blue"
 
     Image{
         id: contentImage
-        source: model ? model.pImageSource : "file:///home/ar/source/LenaPi/pics/benjamin.jpeg"
+        source: model ? model.pImageSource : "qrc:/default_image"
         anchors.centerIn: parent
         width: parent.width-10
         height: width
@@ -29,7 +29,6 @@ Rectangle{
         anchors.fill: parent
         onClicked:{
             model.onClicked();
-            console.log("circle clicked")
         }
     }
 }

LenaPi/RoundButton.qml

@@ -0,0 +1,32 @@
+import QtQuick 2.0
+
+Rectangle {
+    id: container
+    property alias imageSource: image.source
+    signal clicked();
+
+    border.width: 2
+    border.color: "grey"
+
+    color: "white"
+
+    width: 50
+    height: width
+    radius: width/2
+
+    Image{
+        id: image
+        anchors.centerIn: parent
+        width: 30
+        height: width
+        source: "qrc:/icon_back"
+    }
+
+    MouseArea{
+        id: controlObject
+        anchors.fill: parent
+        onClicked:{
+           container.clicked();
+        }
+    }
+}

LenaPi/controllers/NavigationController.cpp

@@ -42,7 +42,6 @@ void NavigationController::add(const QString &path, NavigationItemModel *parentI
     if(!dir.exists()) return;
 
     auto subDirsNames = dir.entryList(QDir::AllDirs);
-    qDebug() << path << subDirsNames;
 
     for(const auto& name : subDirsNames){
         if(name == "." || name == "..") continue;
@@ -51,19 +50,11 @@ void NavigationController::add(const QString &path, NavigationItemModel *parentI
             item->deleteLater();
             continue;
         }
-        qDebug() << "appending item " << item->getPath();
         item->setCircleDelegate(isCircleDelegate);
         connect(item, &NavigationItemModel::clicked, this, &NavigationController::onNavigationRequest);
         parentItem->appendChild(item);
         add(item->getPath(), item, false);
     }
-
-    // just for testing!
-    auto list = parentItem->getChildren();
-    for (const auto& elem: list){
-        qDebug() << elem->getImageSource() << elem->isCircleDelegate();
-    }
-    // end testing
 }
 
 void NavigationController::onNavigationRequest()

LenaPi/lenapi.qrc

@@ -0,0 +1,7 @@
+<RCC>
+    <qresource prefix="/">
+        <file alias="icon_back">resources/back.png</file>
+        <file alias="default_image">resources/defaultImage.png</file>
+        <file alias="background">resources/sky.jpg</file>
+    </qresource>
+</RCC>

LenaPi/main.qml

@@ -8,44 +8,54 @@ Window {
     height: 480
     title: "LenaPi 1.0"
 
-    MyScrollView{
-        id: circleList
-        anchors.left: parent.left
-        anchors.right: parent.right
+    Image{
+        id: background
+
+        anchors.fill: parent
+        z: -1
+        source: "qrc:/background"
+    }
+
+    RoundButton{
+        id: back
+
         anchors.top: parent.top
+        anchors.left: parent.left
         anchors.margins: 20
 
-        flickableItem.interactive: true
-        contentItem:
-            ListView{
-                model: navigationList.pModelItems
-                anchors.fill: parent
-                spacing: 10
-                orientation: ListView.Horizontal
-                delegate:
-                    NavigationListDelegate{
-                        id: delegate
-                        model: navigationList.pModelItems[index]
-                    }
-            }
-    }
-//    MyScrollView{
-//        anchors.left: parent.left
-//        anchors.right: parent.right
-//        anchors.top: circleList.bottom
-//        anchors.margins: 20
+        visible: navigationList.pIsBackVisible
+
+        onClicked: navigationList.navigateBack();
+    }
+
+    Rectangle{
+        anchors.left: parent.left
+        anchors.right: parent.right
+        anchors.verticalCenter: parent.verticalCenter
+
+        height: 210
+
+        color: "#99ffffff"
+
+        ListView{
+            id: circleList
+            anchors.left: parent.left
+            anchors.right: parent.right
+            anchors.verticalCenter: parent.verticalCenter
+            anchors.margins: 20
+
+            height: parent.height - 40
+
+            model: navigationList.pModelItems
+            spacing: 20
+            orientation: ListView.Horizontal
+            delegate:
+                NavigationListDelegate{
+                id: delegate
+                height: parent.height
+                model: navigationList.pModelItems[index]
+            }
+        }
+    }
 
-//        flickableItem.interactive: true
-//        contentItem:
-//            ListView{
-//                model: 20
-//                anchors.fill: parent
-//                spacing: 10
-//                orientation: ListView.Horizontal
-//                delegate:
-//                    NavigationListDelegate{
-//                        id: test
-//                    }
-//            }
-//    }
 }

LenaPi/models/NavigationItemModel.cpp

@@ -3,9 +3,10 @@
 #include <QDir>
 #include <QFile>
 
-NavigationItemModel::NavigationItemModel(QObject *parent) : QObject(parent)
+NavigationItemModel::NavigationItemModel(QObject *parent) : QObject(parent),
+    mImageSource("qrc:/default_image"),
+    mParentItem(qobject_cast<NavigationItemModel*>(parent))
 {
-    ///@todo init imageSource with defaul image from qrc
 }
 
 QString NavigationItemModel::getImageSource() const
@@ -57,7 +58,7 @@ void NavigationItemModel::setCircleDelegate(bool value)
 
 bool NavigationItemModel::isRoot() const
 {
-    return mParentItem;
+    return !mParentItem;
 }
 
 NavigationItemModel *NavigationItemModel::getParentItem()
@@ -75,6 +76,16 @@ QList<NavigationItemModel *> NavigationItemModel::getChildren()
     return mChildren;
 }
 
+QList<NavigationItemModel *> NavigationItemModel::getSiblings()
+{
+    if(isRoot()){
+        return QList<NavigationItemModel*>();
+    } else{
+        return mParentItem->getChildren();
+    }
+
+}
+
 void NavigationItemModel::appendChild(NavigationItemModel *item)
 {
     item->setParent(this);

LenaPi/models/NavigationItemModel.h

@@ -32,6 +32,8 @@ public:
     bool hasChildren() const;
     QList<NavigationItemModel *> getChildren();
 
+    QList<NavigationItemModel *> getSiblings();
+
     void appendChild(NavigationItemModel* item);
     void clearChildren();
 
@@ -43,7 +45,7 @@ private:
     bool mIsCircleDelegate = false;
 
     QList<NavigationItemModel*> mChildren = QList<NavigationItemModel*>();
-    NavigationItemModel* mParentItem = nullptr;
+    NavigationItemModel* mParentItem;
 };
 
 #endif // NAVIGATIONITEMMODEL_H

LenaPi/models/NavigationListModel.cpp

@@ -18,5 +18,27 @@ void NavigationListModel::setModelItems(QList<NavigationItemModel *> list)
     for(const auto& item : list){
         mItems.append(item);
     }
+
+    if(mItems.isEmpty()){
+        mIsBackVisible = false;
+    } else{
+        mIsBackVisible = !list.at(0)->getParentItem()->isRoot();
+    }
+
     emit modelItemsChanged();
 }
+
+bool NavigationListModel::isBackVisible()
+{
+    return mIsBackVisible;
+}
+
+void NavigationListModel::navigateBack()
+{
+    if(!mIsBackVisible || mItems.isEmpty()) return;
+
+    auto item = qobject_cast<NavigationItemModel*>(mItems.at(0));
+    if(!item || item->getParentItem()->isRoot()) return;
+
+    setModelItems(item->getParentItem()->getSiblings());
+}

LenaPi/models/NavigationListModel.h

@@ -9,6 +9,7 @@ class NavigationListModel : public QObject
 {
     Q_OBJECT
     Q_PROPERTY(QList<QObject*> pModelItems READ getModelItems NOTIFY modelItemsChanged)
+    Q_PROPERTY(bool pIsBackVisible READ isBackVisible NOTIFY modelItemsChanged)
 
 signals:
     void modelItemsChanged();
@@ -19,8 +20,13 @@ public:
     QList<QObject*> getModelItems();
     void setModelItems(QList<NavigationItemModel*> list);
 
+    bool isBackVisible();
+
+    Q_INVOKABLE void navigateBack();
+
 private:
     QList<QObject*> mItems;
+    bool mIsBackVisible = false;
 };
 
 #endif // NAVIGATIONLISTMODEL_H

LenaPi/qml.qrc

@@ -4,5 +4,6 @@
         <file>MainForm.ui.qml</file>
         <file>NavigationListDelegate.qml</file>
         <file>MyScrollView.qml</file>
+        <file>RoundButton.qml</file>
     </qresource>
 </RCC>