1 files changed, 275 insertions, 0 deletions
diff --git a/src/datavis3d/data/qitemmodelmapdataproxy.cpp b/src/datavis3d/data/qitemmodelmapdataproxy.cpp
new file mode 100644
index 00000000..b41384e9
--- /dev/null
+++ b/src/datavis3d/data/qitemmodelmapdataproxy.cpp
@@ -0,0 +1,275 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVis3D module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+#include "qitemmodelmapdataproxy_p.h"
+#include <QTimer>
+
+QT_DATAVIS3D_BEGIN_NAMESPACE
+
+QItemModelMapDataProxy::QItemModelMapDataProxy() :
+    QMapDataProxy(new QItemModelMapDataProxyPrivate(this))
+{
+}
+
+QItemModelMapDataProxy::QItemModelMapDataProxy(QAbstractItemModel *itemModel,
+                                               QItemModelMapDataMapping *mapping) :
+    QMapDataProxy(new QItemModelMapDataProxyPrivate(this))
+{
+    dptr()->setItemModel(itemModel);
+    dptr()->setMapping(mapping);
+}
+
+QItemModelMapDataProxy::~QItemModelMapDataProxy()
+{
+}
+
+void QItemModelMapDataProxy::setItemModel(QAbstractItemModel *itemModel)
+{
+    dptr()->setItemModel(itemModel);
+}
+
+QAbstractItemModel *QItemModelMapDataProxy::itemModel()
+{
+    return dptr()->m_itemModel.data();
+}
+
+void QItemModelMapDataProxy::setMapping(QItemModelMapDataMapping *mapping)
+{
+    dptr()->setMapping(mapping);
+}
+
+QItemModelMapDataMapping *QItemModelMapDataProxy::mapping()
+{
+    return dptr()->m_mapping.data();
+}
+
+QItemModelMapDataProxyPrivate *QItemModelMapDataProxy::dptr()
+{
+    return static_cast<QItemModelMapDataProxyPrivate *>(d_ptr.data());
+}
+
+// QItemModelMapDataProxyPrivate
+
+QItemModelMapDataProxyPrivate::QItemModelMapDataProxyPrivate(QItemModelMapDataProxy *q)
+    : QMapDataProxyPrivate(q),
+      resolvePending(0)
+{
+    m_resolveTimer.setSingleShot(true);
+    QObject::connect(&m_resolveTimer, &QTimer::timeout, this, &QItemModelMapDataProxyPrivate::handlePendingResolve);
+}
+
+QItemModelMapDataProxyPrivate::~QItemModelMapDataProxyPrivate()
+{
+}
+
+void QItemModelMapDataProxyPrivate::setItemModel(QAbstractItemModel *itemModel)
+{
+    if (!m_itemModel.isNull())
+        QObject::disconnect(m_itemModel, 0, this, 0);
+
+    m_itemModel = itemModel;
+
+    if (!m_itemModel.isNull()) {
+        QObject::connect(m_itemModel, &QAbstractItemModel::columnsInserted, this, &QItemModelMapDataProxyPrivate::handleColumnsInserted);
+        QObject::connect(m_itemModel, &QAbstractItemModel::columnsMoved, this, &QItemModelMapDataProxyPrivate::handleColumnsMoved);
+        QObject::connect(m_itemModel, &QAbstractItemModel::columnsRemoved, this, &QItemModelMapDataProxyPrivate::handleColumnsRemoved);
+        QObject::connect(m_itemModel, &QAbstractItemModel::dataChanged, this, &QItemModelMapDataProxyPrivate::handleDataChanged);
+        QObject::connect(m_itemModel, &QAbstractItemModel::layoutChanged, this, &QItemModelMapDataProxyPrivate::handleLayoutChanged);
+        QObject::connect(m_itemModel, &QAbstractItemModel::modelReset, this, &QItemModelMapDataProxyPrivate::handleModelReset);
+        QObject::connect(m_itemModel, &QAbstractItemModel::rowsInserted, this, &QItemModelMapDataProxyPrivate::handleRowsInserted);
+        QObject::connect(m_itemModel, &QAbstractItemModel::rowsMoved, this, &QItemModelMapDataProxyPrivate::handleRowsMoved);
+        QObject::connect(m_itemModel, &QAbstractItemModel::rowsRemoved, this, &QItemModelMapDataProxyPrivate::handleRowsRemoved);
+    }
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0);
+}
+
+void QItemModelMapDataProxyPrivate::setMapping(QItemModelMapDataMapping *mapping)
+{
+    if (!m_mapping.isNull())
+        QObject::disconnect(m_mapping.data(), &QItemModelMapDataMapping::mappingChanged, this, &QItemModelMapDataProxyPrivate::handleMappingChanged);
+
+    m_mapping = mapping;
+
+    if (!m_mapping.isNull())
+        QObject::connect(m_mapping.data(), &QItemModelMapDataMapping::mappingChanged, this, &QItemModelMapDataProxyPrivate::handleMappingChanged);
+
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0);
+}
+
+void QItemModelMapDataProxyPrivate::handleColumnsInserted(const QModelIndex &parent, int start, int end)
+{
+    Q_UNUSED(parent)
+    Q_UNUSED(start)
+    Q_UNUSED(end)
+
+    // Resolve new items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleColumnsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationColumn)
+{
+    Q_UNUSED(sourceParent)
+    Q_UNUSED(sourceStart)
+    Q_UNUSED(sourceEnd)
+    Q_UNUSED(destinationParent)
+    Q_UNUSED(destinationColumn)
+
+    // Resolve moved items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleColumnsRemoved(const QModelIndex &parent, int start, int end)
+{
+    Q_UNUSED(parent)
+    Q_UNUSED(start)
+    Q_UNUSED(end)
+
+    // Remove old items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
+{
+    Q_UNUSED(topLeft)
+    Q_UNUSED(bottomRight)
+    Q_UNUSED(roles)
+
+    // Resolve changed items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleLayoutChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint)
+{
+    Q_UNUSED(parents)
+    Q_UNUSED(hint)
+
+    // Resolve moved items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleModelReset()
+{
+    // Data cleared, reset array
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleRowsInserted(const QModelIndex &parent, int start, int end)
+{
+    Q_UNUSED(parent)
+    Q_UNUSED(start)
+    Q_UNUSED(end)
+
+    // Resolve new items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, const QModelIndex &destinationParent, int destinationRow)
+{
+    Q_UNUSED(sourceParent)
+    Q_UNUSED(sourceStart)
+    Q_UNUSED(sourceEnd)
+    Q_UNUSED(destinationParent)
+    Q_UNUSED(destinationRow)
+
+    // Resolve moved items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleRowsRemoved(const QModelIndex &parent, int start, int end)
+{
+    Q_UNUSED(parent)
+    Q_UNUSED(start)
+    Q_UNUSED(end)
+
+    // Resolve removed items
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0); // TODO Resolving entire model is inefficient
+}
+
+void QItemModelMapDataProxyPrivate::handleMappingChanged()
+{
+    if (!m_resolveTimer.isActive())
+        m_resolveTimer.start(0);
+}
+
+void QItemModelMapDataProxyPrivate::handlePendingResolve()
+{
+    resolveModel();
+}
+
+// Resolve entire item model into QMapDataArray.
+void QItemModelMapDataProxyPrivate::resolveModel()
+{
+    if (m_itemModel.isNull() || m_mapping.isNull()) {
+        qptr()->resetArray(0);
+        return;
+    }
+
+    static const int noRoleIndex = -1;
+
+    QHash<int, QByteArray> roleHash = m_itemModel->roleNames();
+    const int labelRole = roleHash.key(m_mapping->labelRole().toLatin1(), noRoleIndex);
+    const int xPosRole = roleHash.key(m_mapping->xPosRole().toLatin1(), noRoleIndex);
+    const int yPosRole = roleHash.key(m_mapping->yPosRole().toLatin1(), noRoleIndex);
+    // Default valueRole to display role if no mapping
+    const int valueRole = roleHash.key(m_mapping->valueRole().toLatin1(), Qt::DisplayRole);
+    const int columnCount = m_itemModel->columnCount();
+    const int rowCount = m_itemModel->rowCount();
+    const int totalCount = rowCount * columnCount;
+    int runningCount = 0;
+
+    // Parse data into newProxyArray
+    QMapDataArray *newProxyArray = new QMapDataArray(totalCount);
+    for (int i = 0; i < rowCount; i++) {
+        for (int j = 0; j < columnCount; j++) {
+            QModelIndex index = m_itemModel->index(i, j);
+            if (labelRole != noRoleIndex)
+                (*newProxyArray)[runningCount].setLabel(index.data(labelRole).toString());
+            qreal xPos(qreal(0.0));
+            qreal yPos(qreal(0.0));
+            if (xPosRole != noRoleIndex)
+                xPos = index.data(xPosRole).toReal();
+            if (yPosRole != noRoleIndex)
+                yPos = index.data(yPosRole).toReal();
+            (*newProxyArray)[runningCount].setMapPosition(QPointF(xPos, yPos));
+            (*newProxyArray)[runningCount].setValue(index.data(valueRole).toReal());
+            runningCount++;
+        }
+    }
+
+    qDebug() << __FUNCTION__ << "Total count:" << newProxyArray->size();
+
+    qptr()->resetArray(newProxyArray);
+}
+
+QItemModelMapDataProxy *QItemModelMapDataProxyPrivate::qptr()
+{
+    return static_cast<QItemModelMapDataProxy *>(q_ptr);
+}
+
+QT_DATAVIS3D_END_NAMESPACE