From f622859bfc26e61b75178ed67a45f2de15ca6ac1 Mon Sep 17 00:00:00 2001
From: DonLakeFlyer <don@thegagnes.com>
Date: Tue, 13 Mar 2018 15:40:53 -0700
Subject: [PATCH] Add support for insert/append of multiple objects at a time

For much better performance
---
 src/QmlControls/QmlObjectListModel.cc | 31 +++++++++++++++++++++++++++
 src/QmlControls/QmlObjectListModel.h  | 14 ++++++------
 2 files changed, 39 insertions(+), 6 deletions(-)

diff --git a/src/QmlControls/QmlObjectListModel.cc b/src/QmlControls/QmlObjectListModel.cc
index 1db22e6e8..f45a6e996 100644
--- a/src/QmlControls/QmlObjectListModel.cc
+++ b/src/QmlControls/QmlObjectListModel.cc
@@ -172,11 +172,42 @@ void QmlObjectListModel::insert(int i, QObject* object)
     setDirty(true);
 }
 
+void QmlObjectListModel::insert(int i, QList<QObject*> objects)
+{
+    if (i < 0 || i > _objectList.count()) {
+        qWarning() << "Invalid index index:count" << i << _objectList.count();
+    }
+
+    int j = i;
+    foreach (QObject* object, objects) {
+        QQmlEngine::setObjectOwnership(object, QQmlEngine::CppOwnership);
+
+        // Look for a dirtyChanged signal on the object
+        if (object->metaObject()->indexOfSignal(QMetaObject::normalizedSignature("dirtyChanged(bool)")) != -1) {
+            if (!_skipDirtyFirstItem || j != 0) {
+                QObject::connect(object, SIGNAL(dirtyChanged(bool)), this, SLOT(_childDirtyChanged(bool)));
+            }
+        }
+        j++;
+
+        _objectList.insert(i, object);
+    }
+
+    insertRows(i, objects.count());
+
+    setDirty(true);
+}
+
 void QmlObjectListModel::append(QObject* object)
 {
     insert(_objectList.count(), object);
 }
 
+void QmlObjectListModel::append(QList<QObject*> objects)
+{
+    insert(_objectList.count(), objects);
+}
+
 QObjectList QmlObjectListModel::swapObjectList(const QObjectList& newlist)
 {
     QObjectList oldlist(_objectList);
diff --git a/src/QmlControls/QmlObjectListModel.h b/src/QmlControls/QmlObjectListModel.h
index 78a202dd0..976405ee5 100644
--- a/src/QmlControls/QmlObjectListModel.h
+++ b/src/QmlControls/QmlObjectListModel.h
@@ -37,11 +37,13 @@ public:
     void setDirty(bool dirty);
     
     void append(QObject* object);
+    void append(QList<QObject*> objects);
     QObjectList swapObjectList(const QObjectList& newlist);
     void clear(void);
     QObject* removeAt(int i);
     QObject* removeOne(QObject* object) { return removeAt(indexOf(object)); }
     void insert(int i, QObject* object);
+    void insert(int i, QList<QObject*> objects);
     QObject* operator[](int i);
     const QObject* operator[](int i) const;
     bool contains(QObject* object) { return _objectList.indexOf(object) != -1; }
@@ -63,12 +65,12 @@ private slots:
     
 private:
     // Overrides from QAbstractListModel
-    virtual int	rowCount(const QModelIndex & parent = QModelIndex()) const;
-    virtual QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
-    virtual QHash<int, QByteArray> roleNames(void) const;
-    virtual bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex());
-    virtual bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex());
-    virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+    int	rowCount(const QModelIndex & parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;
+    QHash<int, QByteArray> roleNames(void) const override;
+    bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex()) override;
+    bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex()) override;
+    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override;
 	
 private:
     QList<QObject*> _objectList;
-- 
2.22.0