diff options
Diffstat (limited to 'examples/customproxy/variantbardataproxy.cpp')
| -rw-r--r-- | examples/customproxy/variantbardataproxy.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/examples/customproxy/variantbardataproxy.cpp b/examples/customproxy/variantbardataproxy.cpp index c907a1e3..887115b8 100644 --- a/examples/customproxy/variantbardataproxy.cpp +++ b/examples/customproxy/variantbardataproxy.cpp @@ -85,7 +85,7 @@ void VariantBarDataProxy::handleItemsAdded(int index, int count) Q_UNUSED(count) // Resolve new items - resolveDataSet(); // TODO Resolving entire dataset is inefficient + resolveDataSet(); } void VariantBarDataProxy::handleDataCleared() @@ -100,8 +100,10 @@ void VariantBarDataProxy::handleMappingChanged() } // 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); @@ -123,7 +125,7 @@ void VariantBarDataProxy::resolveDataSet() = item->at(valueIndex).toReal(); } - // Create new data array from itemValueMap + // 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()); @@ -132,5 +134,7 @@ void VariantBarDataProxy::resolveDataSet() newProxyArray->append(newProxyRow); } + // Finally, reset the data array in the parent class resetArray(newProxyArray); } +//! [0] |