From a28cdb72a4ea768a898ca07f0df0fa3c17c073a8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tomi=20Korpip=C3=A4=C3=A4?= Date: Tue, 10 Sep 2013 11:42:13 +0300 Subject: Module renamed Task-number: QTRD-2224 Change-Id: Iec18b6121809300b11d85445281d3c626c434f35 Reviewed-by: Miikka Heikkinen --- .../data/scatteritemmodelhandler.cpp | 82 ++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/datavisualization/data/scatteritemmodelhandler.cpp (limited to 'src/datavisualization/data/scatteritemmodelhandler.cpp') diff --git a/src/datavisualization/data/scatteritemmodelhandler.cpp b/src/datavisualization/data/scatteritemmodelhandler.cpp new file mode 100644 index 00000000..a6430297 --- /dev/null +++ b/src/datavisualization/data/scatteritemmodelhandler.cpp @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** 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 QtDataVisualization 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 "scatteritemmodelhandler_p.h" +#include + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +ScatterItemModelHandler::ScatterItemModelHandler(QItemModelScatterDataProxy *proxy, QObject *parent) + : AbstractItemModelHandler(parent), + m_proxy(proxy) +{ +} + +ScatterItemModelHandler::~ScatterItemModelHandler() +{ +} + +// Resolve entire item model into QScatterDataArray. +void ScatterItemModelHandler::resolveModel() +{ + QItemModelScatterDataMapping *mapping = static_cast(m_activeMapping); + if (m_itemModel.isNull() || !mapping) { + m_proxy->resetArray(0); + return; + } + + static const int noRoleIndex = -1; + + QHash roleHash = m_itemModel->roleNames(); + //const int labelRole = roleHash.key(mapping->labelRole().toLatin1(), noRoleIndex); + const int xPosRole = roleHash.key(mapping->xPosRole().toLatin1(), noRoleIndex); + const int yPosRole = roleHash.key(mapping->yPosRole().toLatin1(), noRoleIndex); + const int zPosRole = roleHash.key(mapping->zPosRole().toLatin1(), noRoleIndex); + // Default valueRole to display role if no mapping + //const int valueRole = roleHash.key(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 + QScatterDataArray *newProxyArray = new QScatterDataArray(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()); + float xPos(0.0f); + float yPos(0.0f); + float zPos(0.0f); + if (xPosRole != noRoleIndex) + xPos = index.data(xPosRole).toFloat(); + if (yPosRole != noRoleIndex) + yPos = index.data(yPosRole).toFloat(); + if (zPosRole != noRoleIndex) + zPos = index.data(zPosRole).toFloat(); + (*newProxyArray)[runningCount].setPosition(QVector3D(xPos, yPos, zPos)); + //(*newProxyArray)[runningCount].setValue(index.data(valueRole).toReal()); + runningCount++; + } + } + + m_proxy->resetArray(newProxyArray); +} + +QT_DATAVISUALIZATION_END_NAMESPACE -- cgit v1.2.3