Combine 2 widget examples into graph gallery

Combine the 2 bar graph examples into graph gallery example.
Note: surface and scatter examples will be combined into graph gallery
in other commits, to avoid making one gigantic commit.

Pick-to: 6.5
Task-number: QTBUG-110698
Change-Id: Iadf32e4e4d13c06325c89cf9259393d0b9fbda0e
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>

1 files changed, 0 insertions, 123 deletions

diff --git a/examples/datavisualization/customproxy/variantbardataproxy.cpp b/examples/datavisualization/customproxy/variantbardataproxy.cpp
deleted file mode 100644
index f94f37b5..00000000
--- a/examples/datavisualization/customproxy/variantbardataproxy.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
-
-#include "variantbardataproxy.h"
-
-VariantBarDataProxy::VariantBarDataProxy() :
-    QBarDataProxy()
-{
-}
-
-VariantBarDataProxy::VariantBarDataProxy(VariantDataSet *newSet,
-                                         VariantBarDataMapping *mapping) :
-    QBarDataProxy()
-{
-    setDataSet(newSet);
-    setMapping(mapping);
-}
-
-VariantBarDataProxy::~VariantBarDataProxy()
-{
-    delete m_dataSet;
-}
-
-void VariantBarDataProxy::setDataSet(VariantDataSet *newSet)
-{
-    if (!m_dataSet.isNull())
-        QObject::disconnect(m_dataSet.data(), 0, this, 0);
-
-    m_dataSet = newSet;
-
-    if (!m_dataSet.isNull()) {
-        QObject::connect(m_dataSet.data(), &VariantDataSet::itemsAdded, this,
-                         &VariantBarDataProxy::handleItemsAdded);
-        QObject::connect(m_dataSet.data(), &VariantDataSet::dataCleared, this,
-                         &VariantBarDataProxy::handleDataCleared);
-    }
-    resolveDataSet();
-}
-
-VariantDataSet *VariantBarDataProxy::dataSet()
-{
-    return m_dataSet.data();
-}
-
-void VariantBarDataProxy::setMapping(VariantBarDataMapping *mapping)
-{
-    if (!m_mapping.isNull())
-        QObject::disconnect(m_mapping.data(), &VariantBarDataMapping::mappingChanged, this,
-                            &VariantBarDataProxy::handleMappingChanged);
-
-    m_mapping = mapping;
-
-    if (!m_mapping.isNull())
-        QObject::connect(m_mapping.data(), &VariantBarDataMapping::mappingChanged, this,
-                         &VariantBarDataProxy::handleMappingChanged);
-
-    resolveDataSet();
-}
-
-VariantBarDataMapping *VariantBarDataProxy::mapping()
-{
-    return m_mapping.data();
-}
-
-void VariantBarDataProxy::handleItemsAdded(int index, int count)
-{
-    Q_UNUSED(index);
-    Q_UNUSED(count);
-
-    // Resolve new items
-    resolveDataSet();
-}
-
-void VariantBarDataProxy::handleDataCleared()
-{
-    // Data cleared, reset array
-    resetArray(0);
-}
-
-void VariantBarDataProxy::handleMappingChanged()
-{
-    resolveDataSet();
-}
-
-// Resolve entire dataset into QBarDataArray.
-//! [0]
-void VariantBarDataProxy::resolveDataSet()
-{
-    // If we have no data or mapping, or the categories are not defined, simply clear the array
-    if (m_dataSet.isNull() || m_mapping.isNull() || !m_mapping->rowCategories().size()
-            || !m_mapping->columnCategories().size()) {
-        resetArray(0);
-        return;
-    }
-    const VariantDataItemList &itemList = m_dataSet->itemList();
-
-    int rowIndex = m_mapping->rowIndex();
-    int columnIndex = m_mapping->columnIndex();
-    int valueIndex = m_mapping->valueIndex();
-    const QStringList &rowList = m_mapping->rowCategories();
-    const QStringList &columnList = m_mapping->columnCategories();
-
-    // Sort values into rows and columns
-    typedef QHash<QString, float> ColumnValueMap;
-    QHash <QString, ColumnValueMap> itemValueMap;
-    foreach (const VariantDataItem *item, itemList) {
-        itemValueMap[item->at(rowIndex).toString()][item->at(columnIndex).toString()]
-                = item->at(valueIndex).toReal();
-    }
-
-    // Create a new data array in format the parent class understands
-    QBarDataArray *newProxyArray = new QBarDataArray;
-    foreach (QString rowKey, rowList) {
-        QBarDataRow *newProxyRow = new QBarDataRow(columnList.size());
-        for (int i = 0; i < columnList.size(); i++)
-            (*newProxyRow)[i].setValue(itemValueMap[rowKey][columnList.at(i)]);
-        newProxyArray->append(newProxyRow);
-    }
-
-    // Finally, reset the data array in the parent class
-    resetArray(newProxyArray);
-}
-//! [0]