1 files changed, 271 insertions, 0 deletions
diff --git a/src/engine/qdataset.cpp b/src/engine/qdataset.cpp
new file mode 100644
index 00000000..5af920d2
--- /dev/null
+++ b/src/engine/qdataset.cpp
@@ -0,0 +1,271 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtDataVis3D module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdataset.h"
+#include "qdataset_p.h"
+#include "qdatarow.h"
+#include "qdatarow_p.h"
+
+#include <QPoint>
+#include <QString>
+
+//#include <QDebug>
+
+QTCOMMERCIALDATAVIS3D_BEGIN_NAMESPACE
+
+const QString empty;
+
+QDataSet::QDataSet()
+    : d_ptr(new QDataSetPrivate(this))
+{
+    //qDebug("QDataSet");
+}
+
+QDataSet::~QDataSet()
+{
+    //qDebug("~QDataSet");
+}
+
+void QDataSet::setLabels(const QString &xAxis,
+                         const QString &zAxis,
+                         const QString &yAxis,
+                         const QVector<QString> &labelsRow,
+                         const QVector<QString> &labelsColumn)
+{
+    // skip empty labels, keep the previous ones
+    if (xAxis != empty && d_ptr->m_xAxis != xAxis) {
+        d_ptr->m_xAxis = xAxis;
+        // Generate axis label texture
+        if (d_ptr->m_drawer)
+            d_ptr->m_drawer->generateLabelItem(&d_ptr->m_xAxisItem, xAxis);
+    }
+    if (zAxis != empty && d_ptr->m_zAxis != zAxis) {
+        d_ptr->m_zAxis = zAxis;
+        // Generate axis label texture
+        if (d_ptr->m_drawer)
+            d_ptr->m_drawer->generateLabelItem(&d_ptr->m_zAxisItem, zAxis);
+    }
+    if (yAxis != empty && d_ptr->m_yAxis != yAxis) {
+        d_ptr->m_yAxis = yAxis;
+        // Generate axis label texture
+        if (d_ptr->m_drawer)
+            d_ptr->m_drawer->generateLabelItem(&d_ptr->m_yAxisItem, yAxis);
+    }
+    d_ptr->m_labelsRow = labelsRow;
+    d_ptr->m_labelsColumn = labelsColumn;
+    // Generate row and column label textures
+    if (d_ptr->m_drawer) {
+        for (int itemCount = 0; itemCount < labelsColumn.size(); itemCount++) {
+            d_ptr->m_labelItemsColumn.append(LabelItem());
+            d_ptr->m_drawer->generateLabelItem(&d_ptr->m_labelItemsColumn[itemCount],
+                                               labelsColumn.at(itemCount));
+        }
+        for (int itemCount = 0; itemCount < labelsRow.size(); itemCount++) {
+            d_ptr->m_labelItemsRow.append(LabelItem());
+            d_ptr->m_drawer->generateLabelItem(&d_ptr->m_labelItemsRow[itemCount],
+                                               labelsRow.at(itemCount));
+        }
+    }
+}
+
+void QDataSet::addRow(QDataRow *row)
+{
+    d_ptr->m_set.prepend(row);
+}
+
+QDataSetPrivate::QDataSetPrivate(QDataSet *q)
+    : q_ptr(q),
+      m_set(QVector<QDataRow*>()),
+      m_xAxis(QString()),
+      m_zAxis(QString()),
+      m_yAxis(QString()),
+      m_labelsRow(QVector<QString>()),
+      m_labelsColumn(QVector<QString>()),
+      m_xAxisItem(LabelItem()),
+      m_zAxisItem(LabelItem()),
+      m_yAxisItem(LabelItem()),
+      m_labelItemsRow(QVector<LabelItem>()),
+      m_labelItemsColumn(QVector<LabelItem>()),
+      m_drawer(0)
+{
+}
+
+QDataSetPrivate::~QDataSetPrivate()
+{
+    for (int itemCount = 0; itemCount < m_set.size(); itemCount++)
+        delete m_set.at(itemCount);
+    m_set.clear();
+    // Delete axis textures
+    GLuint textureid = m_xAxisItem.textureId();
+    if (textureid)
+        glDeleteTextures(1, &textureid);
+    textureid = m_zAxisItem.textureId();
+    if (textureid)
+        glDeleteTextures(1, &textureid);
+    textureid = m_yAxisItem.textureId();
+    if (textureid)
+        glDeleteTextures(1, &textureid);
+    // Delete row and column textures
+    for (int itemCount = 0; itemCount < m_labelItemsColumn.size(); itemCount++) {
+        LabelItem item = m_labelItemsColumn.at(itemCount);
+        textureid = item.textureId();
+        if (textureid)
+            glDeleteTextures(1, &textureid);
+    }
+    for (int itemCount = 0; itemCount < m_labelItemsRow.size(); itemCount++) {
+        LabelItem item = m_labelItemsRow.at(itemCount);
+        textureid = item.textureId();
+        if (textureid)
+            glDeleteTextures(1, &textureid);
+    }
+}
+
+void QDataSetPrivate::setDrawer(Drawer *drawer)
+{
+    m_drawer = drawer;
+    connect(m_drawer, SIGNAL(drawerChanged()), this, SLOT(updateTextures()));
+    updateTextures();
+}
+
+QVector<QDataRow*> QDataSetPrivate::set()
+{
+    return m_set;
+}
+
+QDataRow *QDataSetPrivate::getRow(int rowIndex)
+{
+    QDataRow *row = NULL;
+    if (m_set.size() > rowIndex)
+        row = m_set.at(rowIndex);
+    return row;
+}
+
+QVector<QString> QDataSetPrivate::rowLabels()
+{
+    return m_labelsRow;
+}
+
+QVector<QString> QDataSetPrivate::columnLabels()
+{
+    return m_labelsColumn;
+}
+
+QVector<LabelItem> QDataSetPrivate::rowLabelItems()
+{
+    return m_labelItemsRow;
+}
+
+QVector<LabelItem> QDataSetPrivate::columnLabelItems()
+{
+    return m_labelItemsColumn;
+}
+
+void QDataSetPrivate::axisLabels(QString *xAxis, QString *zAxis, QString *yAxis)
+{
+    *xAxis = m_xAxis;
+    *zAxis = m_zAxis;
+    *yAxis = m_yAxis;
+}
+
+void QDataSetPrivate::axisLabelItems(LabelItem *xAxisItem, LabelItem *zAxisItem,
+                                     LabelItem *yAxisItem)
+{
+    *xAxisItem = m_xAxisItem;
+    *zAxisItem = m_zAxisItem;
+    *yAxisItem = m_yAxisItem;
+}
+
+void QDataSetPrivate::verifySize(int colSize, int rowSize)
+{
+    // First verify columns
+    // QVector's resize doesn't delete data contained in it
+    // Delete contents of rows to be removed
+    if (colSize < m_set.size()) {
+        int nbrToBeRemoved = m_set.size() - colSize;
+        for (int rowCount = 0; rowCount < nbrToBeRemoved; rowCount++) {
+            int rowToBeRemoved = m_set.size() - rowCount - 1; // -1 to compensate index 0
+            delete m_set.at(rowToBeRemoved);
+        }
+        // Resize vector
+        m_set.resize(colSize);
+    }
+    // Then verify each row left
+    if (rowSize) {
+        for (int i = 0; i < m_set.size(); i++)
+            m_set.at(i)->d_ptr->verifySize(rowSize);
+    }
+}
+
+QPair<GLfloat, GLfloat> QDataSetPrivate::limitValues()
+{
+    QPair<GLfloat, GLfloat> limits = qMakePair(100.0f, -100.0f);
+    QPair<GLfloat, GLfloat> rowLimits;
+    for (int i = 0; i < m_set.size(); i++) {
+        rowLimits = m_set.at(i)->d_ptr->limitValues();
+        if (limits.second < rowLimits.second)
+            limits.second = rowLimits.second;
+        if (limits.first > rowLimits.first)
+            limits.first = rowLimits.first;
+    }
+    return limits;
+}
+
+void QDataSetPrivate::updateTextures()
+{
+    if (m_xAxis != empty)
+        m_drawer->generateLabelItem(&m_xAxisItem, m_xAxis);
+    if (m_zAxis != empty)
+        m_drawer->generateLabelItem(&m_zAxisItem, m_zAxis);
+    if (m_yAxis != empty)
+        m_drawer->generateLabelItem(&m_yAxisItem, m_yAxis);
+    for (int itemCount = 0; itemCount < m_labelsColumn.size(); itemCount++) {
+        if (m_labelItemsColumn.size() < itemCount + 1)
+            m_labelItemsColumn.append(LabelItem());
+        m_drawer->generateLabelItem(&m_labelItemsColumn[itemCount], m_labelsColumn.at(itemCount));
+    }
+    for (int itemCount = 0; itemCount < m_labelsRow.size(); itemCount++) {
+        if (m_labelItemsRow.size() < itemCount + 1)
+            m_labelItemsRow.append(LabelItem());
+        m_drawer->generateLabelItem(&m_labelItemsRow[itemCount], m_labelsRow.at(itemCount));
+    }
+}
+
+QTCOMMERCIALDATAVIS3D_END_NAMESPACE