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Diffstat (limited to 'src/datavis3d/data/qitemmodelbardataproxy.cpp')
| -rw-r--r-- | src/datavis3d/data/qitemmodelbardataproxy.cpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/src/datavis3d/data/qitemmodelbardataproxy.cpp b/src/datavis3d/data/qitemmodelbardataproxy.cpp deleted file mode 100644 index 4b3ed020..00000000 --- a/src/datavis3d/data/qitemmodelbardataproxy.cpp +++ /dev/null @@ -1,290 +0,0 @@ -/**************************************************************************** -** -** 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 "qitemmodelbardataproxy_p.h" -#include <QTimer> - -QT_DATAVIS3D_BEGIN_NAMESPACE - -QItemModelBarDataProxy::QItemModelBarDataProxy() : - QBarDataProxy(new QItemModelBarDataProxyPrivate(this)) -{ -} - -QItemModelBarDataProxy::QItemModelBarDataProxy(QAbstractItemModel *itemModel, - QItemModelBarDataMapping *mapping) : - QBarDataProxy(new QItemModelBarDataProxyPrivate(this)) -{ - dptr()->setItemModel(itemModel); - dptr()->setMapping(mapping); -} - -QItemModelBarDataProxy::~QItemModelBarDataProxy() -{ -} - -void QItemModelBarDataProxy::setItemModel(QAbstractItemModel *itemModel) -{ - dptr()->setItemModel(itemModel); -} - -QAbstractItemModel *QItemModelBarDataProxy::itemModel() -{ - return dptr()->m_itemModel.data(); -} - -void QItemModelBarDataProxy::setMapping(QItemModelBarDataMapping *mapping) -{ - dptr()->setMapping(mapping); -} - -QItemModelBarDataMapping *QItemModelBarDataProxy::mapping() -{ - return dptr()->m_mapping.data(); -} - -QItemModelBarDataProxyPrivate *QItemModelBarDataProxy::dptr() -{ - return static_cast<QItemModelBarDataProxyPrivate *>(d_ptr.data()); -} - -// QItemModelBarDataProxyPrivate - -QItemModelBarDataProxyPrivate::QItemModelBarDataProxyPrivate(QItemModelBarDataProxy *q) - : QBarDataProxyPrivate(q), - resolvePending(0) -{ - m_resolveTimer.setSingleShot(true); - QObject::connect(&m_resolveTimer, &QTimer::timeout, this, &QItemModelBarDataProxyPrivate::handlePendingResolve); -} - -QItemModelBarDataProxyPrivate::~QItemModelBarDataProxyPrivate() -{ -} - -void QItemModelBarDataProxyPrivate::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, &QItemModelBarDataProxyPrivate::handleColumnsInserted); - QObject::connect(m_itemModel, &QAbstractItemModel::columnsMoved, this, &QItemModelBarDataProxyPrivate::handleColumnsMoved); - QObject::connect(m_itemModel, &QAbstractItemModel::columnsRemoved, this, &QItemModelBarDataProxyPrivate::handleColumnsRemoved); - QObject::connect(m_itemModel, &QAbstractItemModel::dataChanged, this, &QItemModelBarDataProxyPrivate::handleDataChanged); - QObject::connect(m_itemModel, &QAbstractItemModel::layoutChanged, this, &QItemModelBarDataProxyPrivate::handleLayoutChanged); - QObject::connect(m_itemModel, &QAbstractItemModel::modelReset, this, &QItemModelBarDataProxyPrivate::handleModelReset); - QObject::connect(m_itemModel, &QAbstractItemModel::rowsInserted, this, &QItemModelBarDataProxyPrivate::handleRowsInserted); - QObject::connect(m_itemModel, &QAbstractItemModel::rowsMoved, this, &QItemModelBarDataProxyPrivate::handleRowsMoved); - QObject::connect(m_itemModel, &QAbstractItemModel::rowsRemoved, this, &QItemModelBarDataProxyPrivate::handleRowsRemoved); - } - if (!m_resolveTimer.isActive()) - m_resolveTimer.start(0); -} - -void QItemModelBarDataProxyPrivate::setMapping(QItemModelBarDataMapping *mapping) -{ - if (!m_mapping.isNull()) - QObject::disconnect(m_mapping.data(), &QItemModelBarDataMapping::mappingChanged, this, &QItemModelBarDataProxyPrivate::handleMappingChanged); - - m_mapping = mapping; - - if (!m_mapping.isNull()) - QObject::connect(m_mapping.data(), &QItemModelBarDataMapping::mappingChanged, this, &QItemModelBarDataProxyPrivate::handleMappingChanged); - - if (!m_resolveTimer.isActive()) - m_resolveTimer.start(0); -} - -void QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::handleModelReset() -{ - // Data cleared, reset array - if (!m_resolveTimer.isActive()) - m_resolveTimer.start(0); // TODO Resolving entire model is inefficient -} - -void QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::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 QItemModelBarDataProxyPrivate::handleMappingChanged() -{ - if (!m_resolveTimer.isActive()) - m_resolveTimer.start(0); -} - -void QItemModelBarDataProxyPrivate::handlePendingResolve() -{ - resolveModel(); -} - -// Resolve entire item model into QBarDataArray. -void QItemModelBarDataProxyPrivate::resolveModel() -{ - if (m_itemModel.isNull() || m_mapping.isNull()) { - qptr()->resetArray(0); - return; - } - - bool useModelRows(false); - if (!m_mapping->rowCategories().size() || !m_mapping->columnCategories().size()) { - useModelRows = true; - } else if (m_mapping->rowRole().isEmpty() || m_mapping->columnRole().isEmpty()) { - qptr()->resetArray(0); - return; - } - - QBarDataArray *newProxyArray = new QBarDataArray; - QHash<int, QByteArray> roleHash = m_itemModel->roleNames(); - // Default to display role if no mapping - int valueRole = roleHash.key(m_mapping->valueRole().toLatin1(), Qt::DisplayRole); - int rowCount = m_itemModel->rowCount(); - int columnCount = m_itemModel->columnCount(); - - if (useModelRows) { - for (int i = 0; i < rowCount; i++) { - QBarDataRow *newProxyRow = new QBarDataRow(columnCount); - for (int j = 0; j < columnCount; j++) - (*newProxyRow)[j].setValue(m_itemModel->index(i, j).data(valueRole).toReal()); - newProxyArray->append(newProxyRow); - } - } else { - int rowRole = roleHash.key(m_mapping->rowRole().toLatin1()); - int columnRole = roleHash.key(m_mapping->columnRole().toLatin1()); - const QStringList &rowList = m_mapping->rowCategories(); - const QStringList &columnList = m_mapping->columnCategories(); - - // Sort values into rows and columns - typedef QHash<QString, qreal> ColumnValueMap; - QHash <QString, ColumnValueMap> itemValueMap; - for (int i = 0; i < rowCount; i++) { - for (int j = 0; j < columnCount; j++) { - QModelIndex index = m_itemModel->index(i, j); - itemValueMap[index.data(rowRole).toString()][index.data(columnRole).toString()] - = index.data(valueRole).toReal(); - } - } - - // Create new data array from itemValueMap - 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); - } - } - qDebug() << __FUNCTION__ << "RowCount:" << newProxyArray->size() << "Column count:" << (newProxyArray->size() ? newProxyArray->at(0)->size() : 0); - - qptr()->resetArray(newProxyArray); -} - -QItemModelBarDataProxy *QItemModelBarDataProxyPrivate::qptr() -{ - return static_cast<QItemModelBarDataProxy *>(q_ptr); -} - -QT_DATAVIS3D_END_NAMESPACE |