adding a better leftdock system based off simpler model

src/qml/presenter/ServiceList.qml

@@ -0,0 +1,438 @@
+import QtQuick 2.13
+/* import QtQuick.Dialogs 1.0 */
+import QtQuick.Controls 2.0 as Controls
+/* import QtQuick.Window 2.13 */
+import QtQuick.Layouts 1.2
+/* import QtQuick.Shapes 1.15 */
+import QtQml.Models 2.12
+/* import QtMultimedia 5.15 */
+/* import QtAudioEngine 1.15 */
+import org.kde.kirigami 2.13 as Kirigami
+import "./" as Presenter
+import org.presenter 1.0
+
+ColumnLayout {
+    id: root
+
+    property var selectedItem: serviceItemList.selected
+    property var hlItem 
+
+    Rectangle {
+        id: headerBackground
+        color: Kirigami.Theme.backgroundColor
+        height: 40
+        opacity: 1.0
+        Layout.fillWidth: true
+
+        Kirigami.Heading {
+            id: serviceTitle
+            text: "Service List"
+            anchors.centerIn: headerBackground 
+            padding: 5
+            level: 3
+        }
+    }
+
+    DropArea {
+        id: serviceDropEnd
+        Layout.fillHeight: true
+        Layout.fillWidth: true
+        onDropped: (drag) => {
+            print("DROPPED AT END");
+            appendItem(dragItemTitle,
+                       dragItemType,
+                       dragItemBackground,
+                       dragItemBackgroundType,
+                       dragItemText,
+                       dragItemIndex);
+            dropHighlightLine.visible = false;
+        }
+
+        keys: ["library"]
+
+        onEntered: (drag) => {
+            if (drag.keys[0] === "library") {
+                dropHighlightLine.visible = true;
+                var lastItem = serviceItemList.itemAtIndex(serviceItemModel.rowCount() - 1);
+                dropHighlightLine.y = lastItem.y + lastItem.height;
+            }
+        }
+
+        /* onExited: dropHighlightLine.visible = false; */
+
+        ListView {
+            id: serviceItemList
+            anchors.fill: parent
+            /* model: serviceItemModel */
+            /* delegate: Kirigami.DelegateRecycler { */
+            /*     width: serviceItemList.width */
+            /*     sourceComponent: itemDelegate */
+            /* } */
+            clip: true
+            spacing: 3
+            property int indexDragged
+            property int moveToIndex
+            property int draggedY
+
+            addDisplaced: Transition {
+                NumberAnimation {properties: "x, y"; duration: 100}
+            }
+            moveDisplaced: Transition {
+                NumberAnimation { properties: "x, y"; duration: 100 }
+            }
+            remove: Transition {
+                NumberAnimation { properties: "x, y"; duration: 100 }
+                NumberAnimation { properties: "opacity"; duration: 100 }
+            }
+
+            removeDisplaced: Transition {
+                NumberAnimation { properties: "x, y"; duration: 100 }
+            }
+
+            displaced: Transition {
+                NumberAnimation {properties: "x, y"; duration: 100}
+            }
+
+            model: serviceItemModel
+
+                delegate: DropArea {
+                    id: serviceDrop
+                    implicitWidth: serviceItemList.width
+                    height: 50
+                    /* enabled: false */
+
+                    onEntered: (drag) => {
+                        if (drag.keys[0] === "library") {
+                            dropHighlightLine.visible = true;
+                            dropHighlightLine.y = y - 2;
+                        }
+                    }
+
+                    /* onExited: dropHighlightLine.visible = false; */
+
+                    onDropped: (drag) => {
+                        print("DROPPED IN ITEM AREA: " + drag.keys);
+                        print(dragItemIndex + " " + index);
+                        const hlIndex = serviceItemList.currentIndex;
+                        if (drag.keys[0] === "library") {
+                            addItem(index,
+                                    dragItemTitle,
+                                    dragItemType,
+                                    dragItemBackground,
+                                    dragItemBackgroundType,
+                                    dragItemText,
+                                    dragItemIndex);
+                        } else if (drag.keys[0] === "serviceitem") {
+                            serviceItemModel.move(serviceItemList.indexDragged,
+                                                  serviceItemList.moveToIndex);
+                            serviceItemList.currentIndex = moveToIndex;
+                        }
+                        dropHighlightLine.visible = false;
+                    }
+
+                    keys: ["library","serviceitem"]
+
+                    Kirigami.BasicListItem {
+                        id: visServiceItem
+                        width: serviceDrop.width
+                        height: serviceDrop.height
+                        anchors {
+                            horizontalCenter: parent.horizontalCenter
+                            verticalCenter: parent.verticalCenter
+                        }
+                        label: name
+                        subtitle: type
+                        hoverEnabled: false
+                        supportsMouseEvents: false
+                        backgroundColor: {
+                            if (serviceItemList.currentIndex === index)
+                                Kirigami.Theme.highlightColor;
+                            else if (mouseHandler.containsMouse)
+                                Kirigami.Theme.hoverColor;
+                            else
+                                 Kirigami.Theme.backgroundColor;
+                        }
+                        textColor: {
+                            if (serviceItemList.currentIndex === index ||
+                                mouseHandler.containsMouse)
+                                activeTextColor;
+                            else
+                                Kirigami.Theme.textColor;
+                        }
+
+                        onYChanged: serviceItemList.updateDrag(Math.round(y));
+
+                        states: [
+                            State {
+                                when: mouseHandler.drag.active
+                                ParentChange {
+                                    target: visServiceItem
+                                    parent: serviceItemList
+                                }
+
+                                PropertyChanges {
+                                    target: visServiceItem
+                                    backgroundColor: Kirigami.Theme.backgroundColor
+                                    textColor: Kirigami.Theme.textColor
+                                    anchors.verticalCenter: undefined
+                                    anchors.horizontalCenter: undefined
+                                }
+                            }
+                        ]
+
+                        /* Drag.dragType: Drag.Automatic */
+                        Drag.active: mouseHandler.drag.active
+                        Drag.hotSpot.x: width / 2
+                        Drag.hotSpot.y: height / 2
+                        Drag.keys: ["serviceitem"]
+
+                        MouseArea {
+                            id: mouseHandler
+                            anchors.fill: parent
+                            hoverEnabled: true
+                            acceptedButtons: Qt.LeftButton | Qt.RightButton
+                            preventStealing: true
+
+                            drag {
+                                target: visServiceItem
+                                axis: Drag.YAxis
+                                /* minimumY: root.y */
+                                /* maximumY: serviceItemList.height - serviceDrop.height */
+                                smoothed: false
+                            }
+
+                            drag.onActiveChanged: {
+                                if (mouseHandler.drag.active) {
+                                    serviceItemList.indexDragged = index;
+                                } 
+                            }
+
+                            /* onPositionChanged: { */
+                            /*     if (!pressed) { */
+                            /*         return; */
+                            /*     } */
+                            /*     mouseArea.arrangeItem(); */
+                            /* } */
+
+                            onPressed: {
+                                serviceItemList.interactive = false;
+                            }
+
+                            onClicked: {
+                                if (mouse.button === Qt.RightButton)
+                                    rightClickMenu.popup();
+                                else {
+                                    serviceItemList.currentIndex = index;
+                                    /* currentServiceItem = index; */
+                                    /* changeItem(index); */
+                                }
+                            }
+
+                            onDoubleClicked: {
+                                showPassiveNotification("Double Clicked")
+                                serviceItemList.currentIndex = index;
+                                currentServiceItem = index;
+                                changeServiceItem(index);
+                            }
+
+                            onReleased: {
+                                print("should drop");
+                                visServiceItem.Drag.drop();
+                            }
+                        }
+                    }
+
+                    Controls.Menu {
+                        id: rightClickMenu
+                        x: mouseHandler.mouseX
+                        y: mouseHandler.mouseY + 10
+                        Kirigami.Action {
+                            text: "delete"
+                            onTriggered: removeItem(index);
+                        }
+                    }
+                }
+
+
+            Kirigami.WheelHandler {
+                id: wheelHandler
+                target: serviceItemList
+                filterMouseEvents: true
+                keyNavigationEnabled: true
+            }
+
+            Controls.ScrollBar.vertical: Controls.ScrollBar {
+                anchors.right: serviceItemList.right
+                anchors.rightMargin: 0
+                active: hovered || pressed
+            }
+
+            function updateDrag(y) {
+                if (moveToIndex === serviceItemList.indexAt(0,y))
+                    return;
+                else
+                    moveToIndex = serviceItemList.indexAt(0,y);
+                moveRequested(indexDragged, moveToIndex);
+            }
+
+            function moveRequested(oldIndex, newIndex) {
+                if (newIndex === oldIndex)
+                    return;
+                if (newIndex === -1)
+                    newIndex = 0;
+                print("moveRequested: ", oldIndex, newIndex);
+                serviceItemModel.move(oldIndex, newIndex);
+                indexDragged = newIndex;
+                serviceItemList.currentIndex = newIndex;
+            }
+
+        }
+
+        Rectangle {
+            id: dropHighlightLine
+            width: parent.width
+            height: 4
+            color: Kirigami.Theme.hoverColor
+            visible: false
+
+        }
+        Canvas {
+            /* asynchronous: true; */
+            x: dropHighlightLine.width - 8
+            y: dropHighlightLine.y - 17
+            z: 1
+            width: 100; height: 100;
+            contextType: "2d"
+            onPaint: {
+                var ctx = getContext("2d");
+                ctx.fillStyle = Kirigami.Theme.hoverColor;
+                ctx.rotate(30);
+                ctx.transform(0.8, 0, 0, 0.8, 0, 30)
+                ctx.path = tearDropPath;
+                ctx.fill();
+            }
+            visible: dropHighlightLine.visible
+        }
+        Path {
+            id: tearDropPath
+            startX: dropHighlightLine.width
+            startY: dropHighlightLine.y + 4
+            PathSvg {
+                path: "M15 3
+                           Q16.5 6.8 25 18
+                           A12.8 12.8 0 1 1 5 18
+                           Q13.5 6.8 15 3z"
+            }
+        }
+    } 
+
+    Kirigami.ActionToolBar {
+        id: serviceToolBar
+        Layout.fillWidth: true
+        opacity: 1.0
+        actions: [
+            Kirigami.Action {
+                /* text: "Up" */
+                icon.name: "arrow-up"
+                onTriggered: {
+                    const oldid = serviceItemList.currentIndex;
+                    if (oldid <= 0)
+                    {
+                        showPassiveNotification("wow stop trying to go nego");
+                        return;
+                    }
+                    const newid = serviceItemList.currentIndex - 1;
+                    showPassiveNotification(oldid + " " + newid);
+                    showPassiveNotification("Up");
+                    const ans = serviceItemModel.move(oldid, newid);
+                    if (ans)
+                    {
+                        serviceItemList.currentIndex = newid;
+                        showPassiveNotification("move was successful, newid: "
+                                                + serviceItemList.currentIndex);
+                    }
+                    else
+                        showPassiveNotification("move was unsuccessful")
+                }
+            },
+            Kirigami.Action {
+                /* text: "Down" */
+                icon.name: "arrow-down"
+                onTriggered: {
+                    const oldid = serviceItemList.currentIndex;
+                    if (oldid + 1 >= serviceItemList.count)
+                    {
+                        showPassiveNotification("wow you dummy you can't got further down");
+                        return;
+                    };
+                    const newid = findId(serviceItemList.currentIndex + 2);
+                    showPassiveNotification(oldid + " " + newid);
+                    showPassiveNotification("Down");
+                    const ans = serviceItemModel.move(oldid, newid);
+                    if (ans)
+                    {
+                        serviceItemList.currentIndex = newid - 1;
+                        showPassiveNotification("move was successful, newid: "
+                                                + serviceItemList.currentIndex);
+                    }
+                    else
+                        showPassiveNotification("move was unsuccessful, newid: "
+                                                + newid);
+
+                    function findId(id) {
+                        if (id >= serviceItemList.count)
+                            return serviceItemList.count;
+                        else
+                            return id;
+                    }
+                }
+            },
+            Kirigami.Action {
+                /* text: "Remove" */
+                icon.name: "delete"
+                onTriggered: {
+                    showPassiveNotification("remove");
+                    removeItem(serviceItemList.currentIndex);
+                }
+            }
+        ]
+    }
+
+    Component.onCompleted: {
+        totalServiceItems = serviceItemList.count;
+        print("THE TOTAL SERVICE ITEMS: " + totalServiceItems);
+    }
+
+    function removeItem(index) {
+        serviceItemModel.removeItem(index);
+        totalServiceItems--;
+    }
+
+    function addItem(index, name, type,
+                     background, backgroundType, text, itemID) {
+        const newtext = songsqlmodel.getLyricList(itemID);
+        print("adding: " + name + " of type " + type);
+        serviceItemModel.insertItem(index, name,
+                                    type, background,
+                                    backgroundType, newtext);
+        totalServiceItems++;
+    }
+
+    function appendItem(name, type, background, backgroundType, text, itemID) {
+        print("adding: " + name + " of type " + type);
+        let lyrics;
+        if (type === "song") {
+            print(itemID);
+            lyrics = songsqlmodel.getLyricList(itemID);
+            print(lyrics);
+        }
+
+        print(background);
+        print(backgroundType);
+
+        serviceItemModel.addItem(name, type, background,
+                                 backgroundType, lyrics);
+        totalServiceItems++;
+    }
+
+}

src/resources.qrc

@@ -3,6 +3,7 @@
         <file>qml/main.qml</file>
         <file>qml/presenter/qmldir</file>
         <file>qml/presenter/LeftDock.qml</file>
+        <file>qml/presenter/ServiceList.qml</file>
         <file>qml/presenter/MainWindow.qml</file>
         <file>qml/presenter/Library.qml</file>
         <file>qml/presenter/Header.qml</file>

src/serviceitemmodel.cpp

@@ -8,7 +8,7 @@
 
 ServiceItemModel::ServiceItemModel(QObject *parent)
     : QAbstractListModel(parent) {
-  addItem(new ServiceItem("10,000 Resons", "song",
+  addItem(new ServiceItem("10,000 Reasons", "song",
                           "file:/home/chris/nextcloud/tfc/openlp/CMG - Nature King 21.jpg",
                           "image", QStringList("Yip Yip")));
   addItem(new ServiceItem("Marvelous Light", "song",
@@ -114,6 +114,23 @@ Qt::ItemFlags ServiceItemModel::flags(const QModelIndex &index) const {
   return Qt::ItemIsEditable; // FIXME: Implement me!
 }
 
+// int ServiceItemModel::index(int row, int column, const QModelIndex &parent) {
+//       if (!hasIndex(row, column, parent))
+//         return QModelIndex();
+
+//     ServiceItem *parentItem;
+
+//     if (!parent.isValid())
+//         parentItem = rootItem;
+//     else
+//         parentItem = static_cast<ServiceItem*>(parent.internalPointer());
+
+//     ServiceItem *childItem = parentItem->child(row);
+//     if (childItem)
+//         return createIndex(row, column, childItem);
+//     return QModelIndex();
+// }
+
 void ServiceItemModel::addItem(ServiceItem *item) {
   const int index = m_items.size();
   qDebug() << index;
@@ -181,24 +198,60 @@ void ServiceItemModel::removeItem(int index) {
 bool ServiceItemModel::move(int sourceIndex, int destIndex) {
   qDebug() << index(sourceIndex).row();
   qDebug() << index(destIndex).row();
-  // beginResetModel();
   QModelIndex parent = index(sourceIndex).parent();
   if (sourceIndex >= 0 && sourceIndex != destIndex &&
-      destIndex >= -1 && destIndex < rowCount() &&
+      destIndex >= -1 && destIndex <= rowCount() &&
       sourceIndex < rowCount()) {
     qDebug() << "starting move: " << "source: " << sourceIndex << "dest: " << destIndex;
-    bool begsuc = beginMoveRows(QModelIndex(), sourceIndex,
+    bool begsuc = beginMoveRows(parent, sourceIndex,
-                                sourceIndex, QModelIndex(), destIndex);
+                                sourceIndex, parent, destIndex);
     if (begsuc) {
-      if (destIndex = -1)
+      if (destIndex == -1)
+        {
+          qDebug() << "dest was too small, moving to row 0";
           m_items.move(sourceIndex, 0);
+        }
+      else
+        {
+          qDebug() << "dest was not too small";
+          if (destIndex >= m_items.size())
+            {
+              qDebug() << "destIndex too big, moving to end";
+              m_items.move(sourceIndex, m_items.size() - 1);
+            }
           else
             m_items.move(sourceIndex, destIndex);
+        }
       endMoveRows();
-    }
-  }
       return true;
     }
+    qDebug() << "Can't move row, not sure why, sourceIndex: "
+             << sourceIndex << " destIndex: " << destIndex;
+    return false;
+  }
+  qDebug() << "Can't move row, invalid options, sourceIndex: "
+           << sourceIndex << " destIndex: " << destIndex;
+  return false;
+}
+
+bool ServiceItemModel::move(int sourceIndex, int destIndex, bool simple) {
+  qDebug() << index(sourceIndex).row();
+  qDebug() << index(destIndex).row();
+  QModelIndex parent = index(sourceIndex).parent();
+
+  if (simple)
+    {
+      if (moveRow(parent, sourceIndex, parent, destIndex))
+        return true;
+      else
+        {
+          qDebug() << "not sure...";
+          return false;
+        }
+    }
+
+  return false;
+}
 
 QVariantMap ServiceItemModel::getItem(int index) const {
   QVariantMap data;

src/serviceitemmodel.h

@@ -24,10 +24,15 @@ public:
 
   // Basic functionality:
   int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+  // int columnCount(const QModelIndex &parent = QModelIndex()) const override;
   QVariant data(const QModelIndex &index,
                 int role = Qt::DisplayRole) const override;
   QHash<int, QByteArray> roleNames() const override;
 
+  // Q_INVOKABLE int index(int row, int column,
+  //                       const QModelIndex &parent = QModelIndex()) const override;
+  // Q_INVOKABLE QModelIndex parent(const QModelIndex &index) const override;
+
   // Editable:
   bool setData(const QModelIndex &index, const QVariant &value,
                int role = Qt::EditRole) override;
@@ -56,6 +61,7 @@ public:
                               const QString &backgroundType, const QStringList &text);
   Q_INVOKABLE void removeItem(int index);
   Q_INVOKABLE bool move(int sourceIndex, int destIndex);
+  Q_INVOKABLE bool move(int sourceIndex, int destIndex, bool simple);
   Q_INVOKABLE QVariantMap getItem(int index) const;
 
 private: